./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor532553489 <...> Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts. execve("./syz-executor532553489", ["./syz-executor532553489"], 0x7fff9f1147b0 /* 10 vars */) = 0 brk(NULL) = 0x55556a297000 brk(0x55556a297d00) = 0x55556a297d00 arch_prctl(ARCH_SET_FS, 0x55556a297380) = 0 set_tid_address(0x55556a297650) = 5845 set_robust_list(0x55556a297660, 24) = 0 rseq(0x55556a297ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor532553489", 4096) = 27 getrandom("\x0e\x4a\x4c\x19\xc5\x36\x37\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a297d00 brk(0x55556a2b8d00) = 0x55556a2b8d00 brk(0x55556a2b9000) = 0x55556a2b9000 mprotect(0x7f409879a000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached , child_tidptr=0x55556a297650) = 5846 [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] set_robust_list(0x55556a297660, 24) = 0 ./strace-static-x86_64: Process 5847 attached [pid 5847] set_robust_list(0x55556a297660, 24) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5845] <... clone resumed>, child_tidptr=0x55556a297650) = 5847 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5848 attached [pid 5847] <... openat resumed>) = 3 [pid 5848] set_robust_list(0x55556a297660, 24 [pid 5846] ioctl(3, LOOP_CLR_FD [pid 5845] <... clone resumed>, child_tidptr=0x55556a297650) = 5848 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] ioctl(3, LOOP_CLR_FD [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5849 attached [pid 5849] set_robust_list(0x55556a297660, 24 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5846] close(3 [pid 5845] <... clone resumed>, child_tidptr=0x55556a297650) = 5849 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5847] close(3 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] ioctl(3, LOOP_CLR_FD [pid 5847] <... close resumed>) = 0 [pid 5846] <... close resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... openat resumed>) = 3 [pid 5848] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5850] set_robust_list(0x55556a297660, 24 [pid 5849] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5851 attached [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5848] close(3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] close(3 [pid 5848] <... close resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5850 ./strace-static-x86_64: Process 5852 attached [pid 5845] <... clone resumed>, child_tidptr=0x55556a297650) = 5851 [pid 5849] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... prctl resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] setpgid(0, 0./strace-static-x86_64: Process 5853 attached ) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5852 [pid 5851] set_robust_list(0x55556a297660, 24./strace-static-x86_64: Process 5854 attached [pid 5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] set_robust_list(0x55556a297660, 24 [pid 5852] set_robust_list(0x55556a297660, 24 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5853 [pid 5854] set_robust_list(0x55556a297660, 24 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5850] <... openat resumed>) = 3 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... prctl resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5854 [pid 5854] <... prctl resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5852] <... prctl resumed>) = 0 [pid 5850] write(3, "1000", 4./strace-static-x86_64: Process 5855 attached [pid 5854] setpgid(0, 0 [pid 5853] <... setpgid resumed>) = 0 [pid 5852] setpgid(0, 0 [pid 5850] <... write resumed>) = 4 [pid 5845] <... clone resumed>, child_tidptr=0x55556a297650) = 5855 [pid 5855] set_robust_list(0x55556a297660, 24 [pid 5854] <... setpgid resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] <... setpgid resumed>) = 0 [pid 5851] <... openat resumed>) = 3 [pid 5850] close(3 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... close resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5854] <... openat resumed>) = 3 [pid 5853] <... openat resumed>) = 3 [pid 5852] <... openat resumed>) = 3 [pid 5851] ioctl(3, LOOP_CLR_FD [pid 5850] write(1, "executing program\n", 18executing program [pid 5854] write(3, "1000", 4 [pid 5853] write(3, "1000", 4 [pid 5850] <... write resumed>) = 18 [pid 5854] <... write resumed>) = 4 [pid 5853] <... write resumed>) = 4 [pid 5850] memfd_create("syzkaller", 0 [pid 5854] close(3 [pid 5853] close(3 [pid 5852] write(3, "1000", 4 [pid 5851] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5855] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 executing program [pid 5853] <... close resumed>) = 0 [pid 5852] <... write resumed>) = 4 [pid 5851] close(3 [pid 5854] write(1, "executing program\n", 18executing program [pid 5853] write(1, "executing program\n", 18 [pid 5852] close(3 [pid 5850] <... memfd_create resumed>) = 3 [pid 5851] <... close resumed>) = 0 [pid 5855] ioctl(3, LOOP_CLR_FD [pid 5854] <... write resumed>) = 18 [pid 5853] <... write resumed>) = 18 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5852] <... close resumed>) = 0 [pid 5855] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5854] memfd_create("syzkaller", 0 [pid 5853] memfd_create("syzkaller", 0 [pid 5850] <... mmap resumed>) = 0x7f4090200000 [pid 5852] write(1, "executing program\n", 18 [pid 5854] <... memfd_create resumed>) = 3 [pid 5853] <... memfd_create resumed>) = 3 [pid 5852] <... write resumed>) = 18 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 5856 attached [pid 5855] close(3 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] set_robust_list(0x55556a297660, 24 [pid 5855] <... close resumed>) = 0 [pid 5852] memfd_create("syzkaller", 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5856 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 5857 attached [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... mmap resumed>) = 0x7f4090200000 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5852] <... memfd_create resumed>) = 3 [pid 5856] <... prctl resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5857 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5856] setpgid(0, 0 [pid 5854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5852] <... mmap resumed>) = 0x7f4090200000 [pid 5856] <... setpgid resumed>) = 0 [pid 5857] set_robust_list(0x55556a297660, 24) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] setpgid(0, 0) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5850] <... write resumed>) = 524288 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4 [pid 5852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5857] write(3, "1000", 4executing program ) = 4 [pid 5856] <... write resumed>) = 4 [pid 5856] close(3) = 0 [pid 5857] close(3) = 0 [pid 5857] write(1, "executing program\n", 18executing program ) = 18 [pid 5856] write(1, "executing program\n", 18 [pid 5853] <... write resumed>) = 524288 [pid 5857] memfd_create("syzkaller", 0 [pid 5856] <... write resumed>) = 18 [pid 5852] <... write resumed>) = 524288 [pid 5857] <... memfd_create resumed>) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5856] memfd_create("syzkaller", 0 [pid 5854] <... write resumed>) = 524288 [pid 5853] munmap(0x7f4090200000, 138412032 [pid 5852] munmap(0x7f4090200000, 138412032 [pid 5850] munmap(0x7f4090200000, 138412032 [pid 5856] <... memfd_create resumed>) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5857] <... write resumed>) = 524288 [pid 5854] munmap(0x7f4090200000, 138412032 [pid 5853] <... munmap resumed>) = 0 [pid 5850] <... munmap resumed>) = 0 [pid 5857] munmap(0x7f4090200000, 138412032 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5854] <... munmap resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5852] <... munmap resumed>) = 0 [pid 5853] <... openat resumed>) = 4 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5857] <... munmap resumed>) = 0 [pid 5852] <... openat resumed>) = 4 [pid 5852] ioctl(4, LOOP_SET_FD, 3 [pid 5857] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5854] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] <... openat resumed>) = 4 [pid 5856] <... write resumed>) = 524288 [pid 5854] <... openat resumed>) = 4 [pid 5853] <... ioctl resumed>) = 0 [pid 5852] <... ioctl resumed>) = 0 [pid 5850] <... openat resumed>) = 4 [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5856] munmap(0x7f4090200000, 138412032 [pid 5852] close(3 [pid 5854] ioctl(4, LOOP_SET_FD, 3 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5853] close(3 [pid 5856] <... munmap resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5852] close(4) = 0 [pid 5852] mkdir("./file1", 0777 [pid 5856] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5852] <... mkdir resumed>) = 0 [pid 5857] <... ioctl resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5853] <... close resumed>) = 0 [pid 5850] <... ioctl resumed>) = 0 [pid 5853] close(4) = 0 [ 72.722848][ T5853] loop2: detected capacity change from 0 to 1024 [ 72.722848][ T5852] loop0: detected capacity change from 0 to 1024 [ 72.744718][ T5857] loop5: detected capacity change from 0 to 1024 [ 72.752882][ T5850] loop1: detected capacity change from 0 to 1024 [ 72.759097][ T5854] loop3: detected capacity change from 0 to 1024 [pid 5853] mkdir("./file1", 0777 [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5853] mount("/dev/loop2", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5857] close(3 [pid 5856] <... ioctl resumed>) = 0 [pid 5854] <... ioctl resumed>) = 0 [pid 5852] mount("/dev/loop0", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5850] close(3 [pid 5857] <... close resumed>) = 0 [pid 5854] close(3 [pid 5857] close(4 [pid 5854] <... close resumed>) = 0 [pid 5857] <... close resumed>) = 0 [pid 5856] close(3 [pid 5854] close(4 [pid 5850] <... close resumed>) = 0 [pid 5857] mkdir("./file1", 0777 [pid 5856] <... close resumed>) = 0 [pid 5854] <... close resumed>) = 0 [pid 5850] close(4 [pid 5857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] close(4 [pid 5854] mkdir("./file1", 0777 [pid 5850] <... close resumed>) = 0 [pid 5850] mkdir("./file1", 0777 [pid 5856] <... close resumed>) = 0 [pid 5854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5850] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5850] mount("/dev/loop1", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5854] mount("/dev/loop3", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5852] <... mount resumed>) = 0 [pid 5857] mount("/dev/loop5", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5856] mkdir("./file1", 0777 [pid 5852] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5856] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] mount("/dev/loop4", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 4 [pid 5850] <... mount resumed>) = 0 [pid 5854] <... mount resumed>) = 0 [pid 5852] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [ 72.767545][ T5856] loop4: detected capacity change from 0 to 1024 [ 72.767789][ T5853] ======================================================= [ 72.767789][ T5853] WARNING: The mand mount option has been deprecated and [ 72.767789][ T5853] and is ignored by this kernel. Remove the mand [ 72.767789][ T5853] option from the mount to silence this warning. [ 72.767789][ T5853] ======================================================= [pid 5850] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5857] <... mount resumed>) = 0 [pid 5854] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5850] <... openat resumed>) = 3 [pid 5854] <... openat resumed>) = 3 [pid 5854] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5857] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5854] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5857] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5857] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5850] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5853] <... mount resumed>) = 0 [pid 5852] <... ioctl resumed>) = 0 [pid 5852] exit_group(0 [pid 5853] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5853] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5857] <... openat resumed>) = 4 [pid 5854] <... openat resumed>) = 4 [pid 5853] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] <... exit_group resumed>) = ? [pid 5850] <... openat resumed>) = 4 [pid 5857] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [pid 5854] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [pid 5850] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [pid 5857] <... ioctl resumed>) = 0 [pid 5857] exit_group(0 [pid 5853] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5857] <... exit_group resumed>) = ? [pid 5853] <... openat resumed>) = 4 [pid 5850] <... ioctl resumed>) = 0 [pid 5857] +++ exited with 0 +++ [pid 5854] <... ioctl resumed>) = 0 [pid 5852] +++ exited with 0 +++ [pid 5854] exit_group(0 [pid 5853] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [pid 5850] exit_group(0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5854] <... exit_group resumed>) = ? [pid 5850] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5854] +++ exited with 0 +++ [pid 5853] <... ioctl resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5853] exit_group(0) = ? [pid 5855] <... restart_syscall resumed>) = 0 [pid 5853] +++ exited with 0 +++ [pid 5850] +++ exited with 0 +++ [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... restart_syscall resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5862 attached [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5862] set_robust_list(0x55556a297660, 24 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5862 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached [ 72.871895][ T5856] Buffer I/O error on dev loop4, logical block 35, async page read [pid 5862] <... set_robust_list resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] set_robust_list(0x55556a297660, 24 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5863 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3executing program ) = 0 [pid 5863] write(1, "executing program\n", 18 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... write resumed>) = 18 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... mmap resumed>) = 0x7f4090200000 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5867 attached ./strace-static-x86_64: Process 5866 attached ./strace-static-x86_64: Process 5865 attached [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5862] <... prctl resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5866 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5865 [pid 5865] set_robust_list(0x55556a297660, 24 [pid 5867] set_robust_list(0x55556a297660, 24) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] set_robust_list(0x55556a297660, 24 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] setpgid(0, 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5867 [pid 5862] <... setpgid resumed>) = 0 [pid 5867] <... prctl resumed>) = 0 [pid 5865] <... prctl resumed>) = 0 [pid 5867] setpgid(0, 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] setpgid(0, 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... setpgid resumed>) = 0 [pid 5865] <... setpgid resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... prctl resumed>) = 0 [ 72.921206][ T5856] Buffer I/O error on dev loop4, logical block 36, async page read [ 72.929187][ T5856] Buffer I/O error on dev loop4, logical block 37, async page read [pid 5862] write(3, "1000", 4 [pid 5866] setpgid(0, 0 [pid 5865] <... openat resumed>) = 3 [pid 5862] <... write resumed>) = 4 [pid 5866] <... setpgid resumed>) = 0 executing program [pid 5867] write(3, "1000", 4 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] write(3, "1000", 4 [pid 5862] close(3) = 0 [pid 5862] write(1, "executing program\n", 18 [pid 5866] <... openat resumed>) = 3 [pid 5862] <... write resumed>) = 18 [pid 5862] memfd_create("syzkaller", 0 [pid 5866] write(3, "1000", 4 [pid 5867] <... write resumed>) = 4 [pid 5866] <... write resumed>) = 4 [pid 5865] <... write resumed>) = 4 [pid 5867] close(3 [pid 5865] close(3executing program executing program [pid 5867] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5867] write(1, "executing program\n", 18 [pid 5865] write(1, "executing program\n", 18 [pid 5867] <... write resumed>) = 18 [pid 5865] <... write resumed>) = 18 [pid 5867] memfd_create("syzkaller", 0 [pid 5866] close(3 [pid 5865] memfd_create("syzkaller", 0 [pid 5862] <... memfd_create resumed>) = 3 [pid 5867] <... memfd_create resumed>) = 3 [pid 5866] <... close resumed>) = 0 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5866] write(1, "executing program\n", 18 [pid 5863] <... write resumed>) = 524288 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] <... mmap resumed>) = 0x7f4090200000 [pid 5866] <... write resumed>) = 18 [pid 5865] <... memfd_create resumed>) = 3 [pid 5862] <... mmap resumed>) = 0x7f4090200000 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5866] memfd_create("syzkaller", 0 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5866] <... memfd_create resumed>) = 3 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5865] <... mmap resumed>) = 0x7f4090200000 [pid 5863] munmap(0x7f4090200000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5863] close(3) = 0 [pid 5867] <... write resumed>) = 524288 [pid 5866] <... write resumed>) = 524288 [pid 5865] <... write resumed>) = 524288 [pid 5863] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5862] <... write resumed>) = 524288 [pid 5856] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5867] munmap(0x7f4090200000, 138412032 [pid 5866] munmap(0x7f4090200000, 138412032 [pid 5865] munmap(0x7f4090200000, 138412032 [pid 5863] <... openat resumed>) = 3 [pid 5856] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5865] <... munmap resumed>) = 0 [pid 5863] <... ioctl resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5866] <... munmap resumed>) = 0 [pid 5863] exit_group(0) = ? [ 72.963270][ T5856] Buffer I/O error on dev loop4, logical block 38, async page read [ 72.990694][ T5856] hfsplus: failed to load attributes file [pid 5856] ioctl(3, LOOP_CLR_FD [pid 5867] <... munmap resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5862] munmap(0x7f4090200000, 138412032 [pid 5856] <... ioctl resumed>) = 0 [pid 5866] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5862] <... munmap resumed>) = 0 [pid 5865] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] close(3 [pid 5865] close(3 [pid 5862] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] close(3 [pid 5867] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5862] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5856] <... close resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5867] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] close(3 [pid 5865] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5862] close(3 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5867] <... close resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5862] <... close resumed>) = 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5866] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5865] exit_group(0./strace-static-x86_64: Process 5868 attached [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5868 [pid 5868] set_robust_list(0x55556a297660, 24 [pid 5866] <... openat resumed>) = 3 [pid 5865] <... exit_group resumed>) = ? [pid 5868] <... set_robust_list resumed>) = 0 [pid 5866] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5865] +++ exited with 0 +++ [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5868] <... prctl resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5866] exit_group(0 [pid 5862] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5856] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5868] setpgid(0, 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] <... exit_group resumed>) = ? [pid 5862] <... openat resumed>) = 3 [pid 5856] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5868] <... setpgid resumed>) = 0 [pid 5867] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5866] +++ exited with 0 +++ [pid 5862] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5856] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5862] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached [pid 5868] <... openat resumed>) = 3 [pid 5867] exit_group(0 [pid 5862] exit_group(0 [pid 5856] exit_group(0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5868] write(3, "1000", 4 [pid 5867] <... exit_group resumed>) = ? [pid 5862] <... exit_group resumed>) = ? [pid 5856] <... exit_group resumed>) = ? [pid 5855] <... restart_syscall resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5869 [pid 5869] set_robust_list(0x55556a297660, 24 [pid 5868] <... write resumed>) = 4 [pid 5867] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5869] <... set_robust_list resumed>) = 0 [pid 5868] close(3 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] <... close resumed>) = 0 [pid 5869] <... prctl resumed>) = 0 [pid 5868] write(1, "executing program\n", 18executing program [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5869] setpgid(0, 0 [pid 5868] <... write resumed>) = 18 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5869] <... setpgid resumed>) = 0 [pid 5868] memfd_create("syzkaller", 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] <... memfd_create resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] <... openat resumed>) = 3 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5868] <... mmap resumed>) = 0x7f4090200000 [pid 5851] ioctl(3, LOOP_CLR_FD [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached ./strace-static-x86_64: Process 5870 attached [pid 5869] <... openat resumed>) = 3 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5871 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5870 [pid 5871] set_robust_list(0x55556a297660, 24 [pid 5870] set_robust_list(0x55556a297660, 24 [pid 5869] write(3, "1000", 4 [pid 5851] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5872 attached [pid 5871] <... set_robust_list resumed>) = 0 [pid 5869] <... write resumed>) = 4 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5872 [pid 5851] close(3 [pid 5872] set_robust_list(0x55556a297660, 24) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] close(3 [pid 5851] <... close resumed>) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5870] <... prctl resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] setpgid(0, 0 [pid 5870] setpgid(0, 0executing program [pid 5872] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5873 attached [pid 5871] <... prctl resumed>) = 0 [pid 5870] <... setpgid resumed>) = 0 [pid 5869] write(1, "executing program\n", 18 [pid 5868] <... write resumed>) = 524288 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] setpgid(0, 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] <... write resumed>) = 18 [pid 5873] set_robust_list(0x55556a297660, 24 [pid 5871] <... setpgid resumed>) = 0 [pid 5870] <... openat resumed>) = 3 [pid 5869] memfd_create("syzkaller", 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5873 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... openat resumed>) = 3 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] munmap(0x7f4090200000, 138412032 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5871] <... openat resumed>) = 3 [pid 5869] <... memfd_create resumed>) = 3 [pid 5873] <... prctl resumed>) = 0 [pid 5872] write(3, "1000", 4 [pid 5871] write(3, "1000", 4 [pid 5870] write(3, "1000", 4 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5868] <... munmap resumed>) = 0 [pid 5873] setpgid(0, 0 [pid 5872] <... write resumed>) = 4 [pid 5871] <... write resumed>) = 4 [pid 5870] <... write resumed>) = 4 [pid 5869] <... mmap resumed>) = 0x7f4090200000 [pid 5873] <... setpgid resumed>) = 0 [pid 5872] close(3 [pid 5871] close(3 [pid 5870] close(3 [pid 5868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... close resumed>) = 0 [pid 5873] <... openat resumed>) = 3 executing program [pid 5872] write(1, "executing program\n", 18 [pid 5868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] <... write resumed>) = 18 [pid 5873] write(3, "1000", 4 [pid 5872] memfd_create("syzkaller", 0 [pid 5868] close(3 [pid 5873] <... write resumed>) = 4 [pid 5872] <... memfd_create resumed>) = 3 [pid 5871] <... close resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] close(3executing program executing program executing program ) = 0 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5871] write(1, "executing program\n", 18 [pid 5870] write(1, "executing program\n", 18 [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5872] <... mmap resumed>) = 0x7f4090200000 [pid 5871] <... write resumed>) = 18 [pid 5870] <... write resumed>) = 18 [pid 5873] memfd_create("syzkaller", 0 [pid 5871] memfd_create("syzkaller", 0 [pid 5870] memfd_create("syzkaller", 0 [pid 5868] <... close resumed>) = 0 [pid 5873] <... memfd_create resumed>) = 3 [pid 5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5871] <... memfd_create resumed>) = 3 [pid 5870] <... memfd_create resumed>) = 3 [pid 5869] <... write resumed>) = 524288 [pid 5868] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5869] munmap(0x7f4090200000, 138412032 [pid 5868] <... openat resumed>) = 3 [pid 5873] <... mmap resumed>) = 0x7f4090200000 [pid 5868] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = -1 ENXIO (No such device or address) [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5872] <... write resumed>) = 524288 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5870] <... mmap resumed>) = 0x7f4090200000 [pid 5869] <... munmap resumed>) = 0 [pid 5868] exit_group(0 [pid 5872] munmap(0x7f4090200000, 138412032 [pid 5871] <... mmap resumed>) = 0x7f4090200000 [pid 5870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5868] <... exit_group resumed>) = ? [pid 5873] <... write resumed>) = 524288 [pid 5872] <... munmap resumed>) = 0 [pid 5873] munmap(0x7f4090200000, 138412032 [pid 5872] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5870] <... write resumed>) = 524288 [pid 5869] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5868] +++ exited with 0 +++ [pid 5872] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5872] close(3 [pid 5873] <... munmap resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5869] close(3 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5870] munmap(0x7f4090200000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] close(3 [pid 5869] <... close resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5872] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = -1 ENXIO (No such device or address) [pid 5873] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5872] exit_group(0 [pid 5873] <... openat resumed>) = 4 [pid 5872] <... exit_group resumed>) = ? [pid 5871] <... write resumed>) = 524288 [pid 5870] <... close resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5873] ioctl(4, LOOP_SET_FD, 3 [pid 5870] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5872] +++ exited with 0 +++ [pid 5871] munmap(0x7f4090200000, 138412032 [pid 5873] <... ioctl resumed>) = 0 [pid 5870] <... openat resumed>) = 3 [pid 5869] <... openat resumed>) = 3 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5869] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5873] close(3) = 0 [pid 5870] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5873] close(4 [pid 5871] <... munmap resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5873] <... close resumed>) = 0 [pid 5873] mkdir("./file1", 0777 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5873] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5871] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5873] mount("/dev/loop4", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5874 attached [pid 5871] close(3 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] set_robust_list(0x55556a297660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5875 attached [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5871] <... close resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5874 [pid 5875] set_robust_list(0x55556a297660, 24 [pid 5871] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5875 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] <... openat resumed>) = 3 [pid 5874] write(3, "1000", 4 [pid 5875] setpgid(0, 0) = 0 [pid 5874] <... write resumed>) = 4 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] close(3 [pid 5875] <... openat resumed>) = 3 [pid 5874] <... close resumed>) = 0 [pid 5874] write(1, "executing program\n", 18 [pid 5875] write(3, "1000", 4) = 4 executing program [ 73.208201][ T5873] loop4: detected capacity change from 0 to 1024 [pid 5875] close(3 [pid 5874] <... write resumed>) = 18 [pid 5871] <... openat resumed>) = 3 [pid 5870] <... ioctl resumed>) = 0 [pid 5869] <... ioctl resumed>) = 0 [pid 5875] <... close resumed>) = 0 [pid 5874] memfd_create("syzkaller", 0 [pid 5871] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5870] exit_group(0 [pid 5869] exit_group(0 [pid 5875] write(1, "executing program\n", 18 [pid 5871] <... ioctl resumed>) = 0 [pid 5870] <... exit_group resumed>) = ? [pid 5871] exit_group(0) = ? [pid 5875] <... write resumed>) = 18 [pid 5869] <... exit_group resumed>) = ? [pid 5875] memfd_create("syzkaller", 0 [pid 5874] <... memfd_create resumed>) = 3 [pid 5870] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] <... memfd_create resumed>) = 3 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5874] <... mmap resumed>) = 0x7f4090200000 executing program [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] <... mmap resumed>) = 0x7f4090200000 [pid 5874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5871] +++ exited with 0 +++ [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5873] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] <... restart_syscall resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5876 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5873] <... openat resumed>) = 3 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5876 ./strace-static-x86_64: Process 5878 attached ./strace-static-x86_64: Process 5877 attached [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5873] ioctl(3, LOOP_CLR_FD [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5877 [pid 5877] set_robust_list(0x55556a297660, 24 [pid 5878] set_robust_list(0x55556a297660, 24 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] set_robust_list(0x55556a297660, 24 [pid 5874] <... write resumed>) = 524288 [pid 5873] <... ioctl resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5878 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5873] close(3 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5875] <... write resumed>) = 524288 [pid 5873] <... close resumed>) = 0 [pid 5877] <... prctl resumed>) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5878] <... prctl resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] <... prctl resumed>) = 0 [pid 5873] <... openat resumed>) = 3 [pid 5878] setpgid(0, 0 [pid 5876] setpgid(0, 0 [pid 5873] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5878] <... setpgid resumed>) = 0 [pid 5876] <... setpgid resumed>) = 0 [pid 5873] <... ioctl resumed>) = 0 [pid 5877] <... openat resumed>) = 3 [pid 5873] exit_group(0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... exit_group resumed>) = ? [pid 5877] write(3, "1000", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] write(1, "executing program\n", 18executing program ) = 18 [pid 5877] memfd_create("syzkaller", 0) = 3 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5874] munmap(0x7f4090200000, 138412032 [pid 5877] <... mmap resumed>) = 0x7f4090200000 [pid 5875] munmap(0x7f4090200000, 138412032 [pid 5874] <... munmap resumed>) = 0 [pid 5875] <... munmap resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5874] close(3 [pid 5875] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5875] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 73.261524][ T5873] hfsplus: unable to set blocksize to 1024! [ 73.269180][ T5873] hfsplus: unable to find HFS+ superblock [pid 5875] close(3 [pid 5878] <... openat resumed>) = 3 [pid 5877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5876] <... openat resumed>) = 3 [pid 5875] <... close resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] +++ exited with 0 +++ [pid 5878] write(3, "1000", 4 [pid 5877] <... write resumed>) = 524288 [pid 5876] write(3, "1000", 4 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5878] <... write resumed>) = 4 [pid 5876] <... write resumed>) = 4 [pid 5878] close(3) = 0 [pid 5876] close(3) = 0 executing program executing program [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5878] write(1, "executing program\n", 18) = 18 [pid 5876] write(1, "executing program\n", 18 [pid 5874] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5876] <... write resumed>) = 18 [pid 5875] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5874] <... openat resumed>) = 3 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5876] memfd_create("syzkaller", 0 [pid 5875] <... openat resumed>) = 3 [pid 5874] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5876] <... memfd_create resumed>) = 3 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5878] <... mmap resumed>) = 0x7f4090200000 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5875] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5874] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5876] <... mmap resumed>) = 0x7f4090200000 [pid 5874] exit_group(0 [pid 5875] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5874] <... exit_group resumed>) = ? [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5875] exit_group(0 [pid 5874] +++ exited with 0 +++ [pid 5851] <... openat resumed>) = 3 [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5875] <... exit_group resumed>) = ? [pid 5851] ioctl(3, LOOP_CLR_FD [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] +++ exited with 0 +++ [pid 5877] munmap(0x7f4090200000, 138412032 [pid 5851] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5851] close(3 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5851] <... close resumed>) = 0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5877] <... munmap resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] set_robust_list(0x55556a297660, 24 [pid 5877] close(3 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5879] <... prctl resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5879] setpgid(0, 0 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached [pid 5880] set_robust_list(0x55556a297660, 24 [pid 5879] <... setpgid resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5879 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5880 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] write(3, "1000", 4 [pid 5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5881] set_robust_list(0x55556a297660, 24 [pid 5880] <... prctl resumed>) = 0 [pid 5879] <... write resumed>) = 4 [pid 5877] <... close resumed>) = 0 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] setpgid(0, 0 [pid 5879] close(3) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5881 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5880] <... setpgid resumed>) = 0 [pid 5879] write(1, "executing program\n", 18 [pid 5881] <... prctl resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] <... write resumed>) = 18 [pid 5877] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5881] setpgid(0, 0 [pid 5879] memfd_create("syzkaller", 0 [pid 5877] <... openat resumed>) = 3 [pid 5876] <... write resumed>) = 524288 [pid 5881] <... setpgid resumed>) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5879] <... memfd_create resumed>) = 3 [pid 5877] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5881] <... openat resumed>) = 3 [pid 5880] write(3, "1000", 4 [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5878] <... write resumed>) = 524288 [pid 5877] exit_group(0 [pid 5876] munmap(0x7f4090200000, 138412032 [pid 5881] write(3, "1000", 4 [pid 5880] <... write resumed>) = 4 [pid 5879] <... mmap resumed>) = 0x7f4090200000 [pid 5878] munmap(0x7f4090200000, 138412032 [pid 5877] <... exit_group resumed>) = ? [pid 5876] <... munmap resumed>) = 0 [pid 5881] <... write resumed>) = 4 [pid 5880] close(3 [pid 5879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5878] <... munmap resumed>) = 0 [pid 5877] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5880] <... close resumed>) = 0 [pid 5881] close(3 [pid 5880] write(1, "executing program\n", 18executing program [pid 5881] <... close resumed>) = 0 executing program [pid 5880] <... write resumed>) = 18 [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5880] memfd_create("syzkaller", 0 [pid 5876] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5881] memfd_create("syzkaller", 0 [pid 5880] <... memfd_create resumed>) = 3 [pid 5878] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5876] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5881] <... memfd_create resumed>) = 3 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5878] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5876] close(3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5881] <... mmap resumed>) = 0x7f4090200000 [pid 5880] <... mmap resumed>) = 0x7f4090200000 [pid 5878] close(3./strace-static-x86_64: Process 5882 attached [pid 5879] <... write resumed>) = 524288 [pid 5878] <... close resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5882 [pid 5882] set_robust_list(0x55556a297660, 24 [pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5879] munmap(0x7f4090200000, 138412032 [pid 5876] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5878] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5876] <... openat resumed>) = 3 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] <... munmap resumed>) = 0 [pid 5878] <... openat resumed>) = 3 [pid 5876] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5878] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = -1 ENXIO (No such device or address) [pid 5878] exit_group(0) = ? [pid 5881] <... write resumed>) = 524288 [pid 5876] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5882] <... prctl resumed>) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5876] exit_group(0 [pid 5881] munmap(0x7f4090200000, 138412032 [pid 5876] <... exit_group resumed>) = ? [pid 5879] <... openat resumed>) = 4 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3executing program [pid 5879] ioctl(4, LOOP_SET_FD, 3 [pid 5882] <... close resumed>) = 0 [pid 5882] write(1, "executing program\n", 18 [pid 5878] +++ exited with 0 +++ [pid 5882] <... write resumed>) = 18 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5882] memfd_create("syzkaller", 0) = 3 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5881] <... munmap resumed>) = 0 [pid 5880] <... write resumed>) = 524288 [pid 5879] <... ioctl resumed>) = 0 [pid 5876] +++ exited with 0 +++ [pid 5882] <... mmap resumed>) = 0x7f4090200000 [pid 5881] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5880] munmap(0x7f4090200000, 138412032 [pid 5879] close(3) = 0 [pid 5879] close(4 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5881] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5880] <... munmap resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5881] close(3 [pid 5879] <... close resumed>) = 0 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5879] mkdir("./file1", 0777) = -1 EEXIST (File exists) [pid 5879] mount("/dev/loop4", "./file1", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK|MS_LAZYTIME, "nobarrier,barrier,nobarrier,uid=0x0000000000000000,nls=ascii," [pid 5881] <... close resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5848] <... restart_syscall resumed>) = 0 [pid 5880] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] close(3./strace-static-x86_64: Process 5883 attached [pid 5883] set_robust_list(0x55556a297660, 24 [pid 5882] <... write resumed>) = 524288 [pid 5881] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5880] <... close resumed>) = 0 [pid 5879] <... mount resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5883 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5879] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] munmap(0x7f4090200000, 138412032 [pid 5881] <... openat resumed>) = 3 [pid 5880] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5879] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5881] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5880] <... openat resumed>) = 3 [pid 5883] <... prctl resumed>) = 0 [pid 5883] setpgid(0, 0 [pid 5879] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5880] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5879] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5883] <... setpgid resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... munmap resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5879] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 5883] <... openat resumed>) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] write(1, "executing program\n", 18) = 18 [pid 5883] memfd_create("syzkaller", 0) = 3 [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 73.418595][ T5879] loop4: detected capacity change from 0 to 1024 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5882] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5882] close(3 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5884 ./strace-static-x86_64: Process 5884 attached [pid 5882] <... close resumed>) = 0 [pid 5884] set_robust_list(0x55556a297660, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... write resumed>) = 524288 [pid 5884] <... openat resumed>) = 3 [pid 5883] munmap(0x7f4090200000, 138412032 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 [pid 5884] write(1, "executing program\n", 18 [pid 5883] <... munmap resumed>) = 0 [pid 5882] <... openat resumed>) = 3 [pid 5881] <... ioctl resumed>) = 0 executing program [pid 5880] <... ioctl resumed>) = 0 [pid 5879] <... openat resumed>) = 4 [pid 5880] exit_group(0 [pid 5884] <... write resumed>) = 18 [pid 5883] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5882] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5881] exit_group(0 [pid 5880] <... exit_group resumed>) = ? [pid 5879] ioctl(4, LOOP_SET_BLOCK_SIZE, 4096 [pid 5884] memfd_create("syzkaller", 0 [pid 5883] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5879] <... ioctl resumed>) = 0 [pid 5884] <... memfd_create resumed>) = 3 [pid 5883] close(3 [pid 5879] exit_group(0 [pid 5880] +++ exited with 0 +++ [pid 5882] <... ioctl resumed>) = 0 [pid 5881] <... exit_group resumed>) = ? [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5881] +++ exited with 0 +++ [pid 5882] exit_group(0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5884] <... mmap resumed>) = 0x7f4090200000 [pid 5879] <... exit_group resumed>) = ? [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5883] <... close resumed>) = 0 [pid 5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5882] <... exit_group resumed>) = ? [pid 5879] +++ exited with 0 +++ [pid 5847] <... restart_syscall resumed>) = 0 [pid 5883] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5882] +++ exited with 0 +++ [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5883] <... openat resumed>) = 3 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5883] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5883] <... ioctl resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5883] exit_group(0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5883] <... exit_group resumed>) = ? [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5884] <... write resumed>) = 524288 ./strace-static-x86_64: Process 5885 attached [pid 5884] munmap(0x7f4090200000, 138412032 [pid 5885] set_robust_list(0x55556a297660, 24 [pid 5884] <... munmap resumed>) = 0 [pid 5883] +++ exited with 0 +++ [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5885 ./strace-static-x86_64: Process 5886 attached [pid 5885] <... set_robust_list resumed>) = 0 [pid 5886] set_robust_list(0x55556a297660, 24 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5886] <... set_robust_list resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5886 ./strace-static-x86_64: Process 5887 attached [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5884] close(3 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5887 [pid 5887] set_robust_list(0x55556a297660, 24 [pid 5886] <... prctl resumed>) = 0 [pid 5885] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5888 attached [pid 5887] <... set_robust_list resumed>) = 0 [pid 5886] setpgid(0, 0 [pid 5885] setpgid(0, 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] set_robust_list(0x55556a297660, 24 [pid 5887] <... prctl resumed>) = 0 [pid 5886] <... setpgid resumed>) = 0 [pid 5885] <... setpgid resumed>) = 0 [pid 5884] <... close resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5888 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] setpgid(0, 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5887] <... setpgid resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5884] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5888] <... prctl resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5885] <... openat resumed>) = 3 [pid 5884] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] setpgid(0, 0 [pid 5886] write(3, "1000", 4 [pid 5885] write(3, "1000", 4 [pid 5884] <... ioctl resumed>) = 0 [pid 5884] exit_group(0 [pid 5888] <... setpgid resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5884] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5889 attached [pid 5889] set_robust_list(0x55556a297660, 24) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5887] write(3, "1000", 4 [pid 5886] <... write resumed>) = 4 [pid 5885] <... write resumed>) = 4 [pid 5884] +++ exited with 0 +++ [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5889 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... openat resumed>) = 3 [pid 5887] <... write resumed>) = 4 [pid 5886] close(3 [pid 5885] close(3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program executing program executing program [pid 5888] write(3, "1000", 4 [pid 5887] close(3 [pid 5886] <... close resumed>) = 0 [pid 5885] <... close resumed>) = 0 [pid 5888] <... write resumed>) = 4 [pid 5887] <... close resumed>) = 0 [pid 5886] write(1, "executing program\n", 18 [pid 5885] write(1, "executing program\n", 18 [pid 5888] close(3 [pid 5887] write(1, "executing program\n", 18 [pid 5886] <... write resumed>) = 18 [pid 5888] <... close resumed>) = 0 [pid 5887] <... write resumed>) = 18 [pid 5889] <... prctl resumed>) = 0 [pid 5889] setpgid(0, 0 [pid 5886] memfd_create("syzkaller", 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5889] <... setpgid resumed>) = 0 executing program [pid 5886] <... memfd_create resumed>) = 3 [pid 5888] write(1, "executing program\n", 18 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... write resumed>) = 18 [pid 5887] memfd_create("syzkaller", 0 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5885] <... write resumed>) = 18 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5889] <... openat resumed>) = 3 [pid 5886] <... mmap resumed>) = 0x7f4090200000 [pid 5885] memfd_create("syzkaller", 0 [pid 5889] write(3, "1000", 4 [pid 5888] memfd_create("syzkaller", 0 [pid 5887] <... memfd_create resumed>) = 3 [pid 5885] <... memfd_create resumed>) = 3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached [pid 5889] <... write resumed>) = 4 [pid 5888] <... memfd_create resumed>) = 3 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5889] close(3 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5887] <... mmap resumed>) = 0x7f4090200000 [pid 5885] <... mmap resumed>) = 0x7f4090200000 [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5890] set_robust_list(0x55556a297660, 24) = 0 [pid 5889] <... close resumed>) = 0 [pid 5888] <... mmap resumed>) = 0x7f4090200000 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5889] write(1, "executing program\n", 18 [pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5886] <... write resumed>) = 524288 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5890 [pid 5890] setpgid(0, 0 [pid 5889] <... write resumed>) = 18 [pid 5889] memfd_create("syzkaller", 0 [pid 5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5886] munmap(0x7f4090200000, 138412032 [pid 5885] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5890] <... setpgid resumed>) = 0 [pid 5889] <... memfd_create resumed>) = 3 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5889] <... mmap resumed>) = 0x7f4090200000 [pid 5888] <... write resumed>) = 524288 [pid 5886] <... munmap resumed>) = 0 [pid 5886] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5890] write(3, "1000", 4 [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5888] munmap(0x7f4090200000, 138412032 [pid 5887] <... write resumed>) = 524288 [pid 5886] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] <... write resumed>) = 524288 [pid 5890] <... write resumed>) = 4 [pid 5890] close(3executing program [pid 5888] <... munmap resumed>) = 0 [pid 5890] <... close resumed>) = 0 [pid 5890] write(1, "executing program\n", 18) = 18 [pid 5890] memfd_create("syzkaller", 0) = 3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5888] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5889] <... write resumed>) = 524288 [pid 5887] munmap(0x7f4090200000, 138412032 [pid 5886] close(3 [pid 5885] munmap(0x7f4090200000, 138412032 [pid 5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5889] munmap(0x7f4090200000, 138412032 [pid 5888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5887] <... munmap resumed>) = 0 [pid 5889] <... munmap resumed>) = 0 [pid 5888] close(3 [pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5886] <... close resumed>) = 0 [pid 5885] <... munmap resumed>) = 0 [pid 5890] <... write resumed>) = 524288 [pid 5887] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5890] munmap(0x7f4090200000, 138412032 [pid 5889] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5888] <... close resumed>) = 0 [pid 5887] close(3 [pid 5886] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5890] <... munmap resumed>) = 0 [pid 5889] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5885] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5890] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5889] close(3 [pid 5885] close(3 [pid 5886] <... openat resumed>) = 3 [pid 5888] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5890] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5890] close(3 [pid 5889] <... close resumed>) = 0 [pid 5888] <... openat resumed>) = 3 [pid 5887] <... close resumed>) = 0 [pid 5886] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5885] <... close resumed>) = 0 [pid 5890] <... close resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5888] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5887] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5886] <... ioctl resumed>) = 0 [pid 5885] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5890] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5889] <... openat resumed>) = 3 [pid 5888] <... ioctl resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5886] exit_group(0 [pid 5885] <... openat resumed>) = 3 [pid 5890] <... openat resumed>) = 3 [pid 5889] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5888] exit_group(0 [pid 5887] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5886] <... exit_group resumed>) = ? [pid 5885] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5890] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5889] <... ioctl resumed>) = 0 [pid 5888] <... exit_group resumed>) = ? [pid 5887] <... ioctl resumed>) = 0 [pid 5890] <... ioctl resumed>) = 0 [pid 5889] exit_group(0 [pid 5887] exit_group(0 [pid 5890] exit_group(0) = ? [pid 5889] <... exit_group resumed>) = ? [pid 5888] +++ exited with 0 +++ [pid 5887] <... exit_group resumed>) = ? [pid 5886] +++ exited with 0 +++ [pid 5885] <... ioctl resumed>) = 0 [pid 5885] exit_group(0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5890] +++ exited with 0 +++ [pid 5885] <... exit_group resumed>) = ? [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5889] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5885] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] <... restart_syscall resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] <... restart_syscall resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached [pid 5851] <... restart_syscall resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5891] set_robust_list(0x55556a297660, 24) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5891 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached ./strace-static-x86_64: Process 5893 attached [pid 5891] <... prctl resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5891] setpgid(0, 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5893 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] set_robust_list(0x55556a297660, 24 [pid 5892] set_robust_list(0x55556a297660, 24 [pid 5891] <... setpgid resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5892 ./strace-static-x86_64: Process 5894 attached [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5892] <... set_robust_list resumed>) = 0 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5894] set_robust_list(0x55556a297660, 24 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5894 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] <... prctl resumed>) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5893] setpgid(0, 0 [pid 5892] setpgid(0, 0 [pid 5891] write(3, "1000", 4 [pid 5894] <... prctl resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached ./strace-static-x86_64: Process 5896 attached [pid 5894] setpgid(0, 0 [pid 5893] <... setpgid resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] <... write resumed>) = 4 [pid 5894] <... setpgid resumed>) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5895 [pid 5896] set_robust_list(0x55556a297660, 24 [pid 5895] set_robust_list(0x55556a297660, 24 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] <... openat resumed>) = 3 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] close(3 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5896 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] write(3, "1000", 4 [pid 5891] <... close resumed>) = 0 [pid 5893] <... write resumed>) = 4 [pid 5892] <... openat resumed>) = 3 executing program [pid 5891] write(1, "executing program\n", 18 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] <... openat resumed>) = 3 [pid 5893] close(3 [pid 5891] <... write resumed>) = 18 [pid 5896] <... prctl resumed>) = 0 [pid 5895] <... prctl resumed>) = 0 [pid 5894] write(3, "1000", 4 [pid 5893] <... close resumed>) = 0 [pid 5892] write(3, "1000", 4 [pid 5891] memfd_create("syzkaller", 0 [pid 5896] setpgid(0, 0 [pid 5894] <... write resumed>) = 4 executing program [pid 5893] write(1, "executing program\n", 18 [pid 5892] <... write resumed>) = 4 [pid 5895] setpgid(0, 0 [pid 5892] close(3 [pid 5891] <... memfd_create resumed>) = 3 [pid 5896] <... setpgid resumed>) = 0 [pid 5895] <... setpgid resumed>) = 0 [pid 5894] close(3 [pid 5893] <... write resumed>) = 18 [pid 5892] <... close resumed>) = 0 [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5894] <... close resumed>) = 0 [pid 5891] <... mmap resumed>) = 0x7f4090200000 executing program executing program [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] write(1, "executing program\n", 18 [pid 5893] memfd_create("syzkaller", 0 [pid 5892] write(1, "executing program\n", 18 [pid 5894] <... write resumed>) = 18 [pid 5892] <... write resumed>) = 18 [pid 5896] <... openat resumed>) = 3 [pid 5894] memfd_create("syzkaller", 0 [pid 5892] memfd_create("syzkaller", 0 [pid 5891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5896] write(3, "1000", 4 [pid 5895] <... openat resumed>) = 3 [pid 5893] <... memfd_create resumed>) = 3 [pid 5894] <... memfd_create resumed>) = 3 [pid 5892] <... memfd_create resumed>) = 3 [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5891] <... write resumed>) = 524288 [pid 5896] <... write resumed>) = 4 [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5895] write(3, "1000", 4 [pid 5896] close(3 [pid 5895] <... write resumed>) = 4 [pid 5894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5893] <... mmap resumed>) = 0x7f4090200000 [pid 5891] munmap(0x7f4090200000, 138412032 [pid 5896] <... close resumed>) = 0 [pid 5895] close(3 [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program executing program [pid 5896] write(1, "executing program\n", 18 [pid 5895] <... close resumed>) = 0 [pid 5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5892] <... write resumed>) = 524288 [pid 5891] <... munmap resumed>) = 0 [pid 5896] <... write resumed>) = 18 [pid 5895] write(1, "executing program\n", 18 [pid 5894] <... write resumed>) = 524288 [pid 5891] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5895] <... write resumed>) = 18 [pid 5894] munmap(0x7f4090200000, 138412032 [pid 5892] munmap(0x7f4090200000, 138412032 [pid 5896] memfd_create("syzkaller", 0 [pid 5895] memfd_create("syzkaller", 0 [pid 5894] <... munmap resumed>) = 0 [pid 5893] <... write resumed>) = 524288 [pid 5891] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5895] <... memfd_create resumed>) = 3 [pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5891] close(3 [pid 5896] <... memfd_create resumed>) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5895] <... mmap resumed>) = 0x7f4090200000 [pid 5894] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5893] munmap(0x7f4090200000, 138412032 [pid 5892] <... munmap resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5896] <... mmap resumed>) = 0x7f4090200000 [pid 5894] close(3 [pid 5891] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5894] <... close resumed>) = 0 [pid 5893] <... munmap resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5891] <... openat resumed>) = 3 [pid 5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5894] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5891] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5896] <... write resumed>) = 524288 [pid 5895] <... write resumed>) = 524288 [pid 5893] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5892] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5896] munmap(0x7f4090200000, 138412032 [pid 5895] munmap(0x7f4090200000, 138412032 [pid 5894] <... openat resumed>) = 3 [pid 5893] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5892] close(3 [pid 5891] <... ioctl resumed>) = 0 [pid 5896] <... munmap resumed>) = 0 [pid 5895] <... munmap resumed>) = 0 [pid 5894] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5893] close(3 [pid 5891] exit_group(0) = ? [pid 5891] +++ exited with 0 +++ [pid 5894] <... ioctl resumed>) = 0 [pid 5894] exit_group(0) = ? [pid 5896] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5895] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5893] <... close resumed>) = 0 [pid 5892] <... close resumed>) = 0 [pid 5896] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5896] close(3 [pid 5895] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5893] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5892] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5895] close(3 [pid 5894] +++ exited with 0 +++ [pid 5893] <... openat resumed>) = 3 [pid 5892] <... openat resumed>) = 3 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5893] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5893] exit_group(0) = ? [pid 5896] <... close resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5892] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5895] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5892] <... ioctl resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5896] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] <... restart_syscall resumed>) = 0 [pid 5896] <... openat resumed>) = 3 [pid 5895] <... openat resumed>) = 3 [pid 5892] exit_group(0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5896] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5895] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5893] +++ exited with 0 +++ [pid 5892] <... exit_group resumed>) = ? [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5896] <... ioctl resumed>) = 0 [pid 5895] <... ioctl resumed>) = 0 [pid 5896] exit_group(0 [pid 5895] exit_group(0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5896] <... exit_group resumed>) = ? [pid 5896] +++ exited with 0 +++ [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5895] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5897 attached [pid 5892] +++ exited with 0 +++ [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5897] set_robust_list(0x55556a297660, 24 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5897] <... set_robust_list resumed>) = 0 [pid 5895] +++ exited with 0 +++ [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5897 ./strace-static-x86_64: Process 5898 attached [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5898 [pid 5898] set_robust_list(0x55556a297660, 24 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5851] <... restart_syscall resumed>) = 0 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... restart_syscall resumed>) = 0 [pid 5897] <... prctl resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5898] setpgid(0, 0 [pid 5897] setpgid(0, 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5897] <... setpgid resumed>) = 0 [pid 5898] <... setpgid resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5899 attached [pid 5898] <... openat resumed>) = 3 [pid 5897] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5899] set_robust_list(0x55556a297660, 24 [pid 5898] write(3, "1000", 4 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5899 [pid 5899] <... set_robust_list resumed>) = 0 executing program executing program [pid 5898] <... write resumed>) = 4 [pid 5897] write(3, "1000", 4 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] close(3 [pid 5897] <... write resumed>) = 4 [pid 5899] <... prctl resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5897] close(3 [pid 5899] setpgid(0, 0 [pid 5898] write(1, "executing program\n", 18 [pid 5897] <... close resumed>) = 0 [pid 5899] <... setpgid resumed>) = 0 [pid 5898] <... write resumed>) = 18 [pid 5897] write(1, "executing program\n", 18./strace-static-x86_64: Process 5901 attached [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5898] memfd_create("syzkaller", 0 [pid 5897] <... write resumed>) = 18 ./strace-static-x86_64: Process 5902 attached [pid 5900] set_robust_list(0x55556a297660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5900 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] <... openat resumed>) = 3 [pid 5898] <... memfd_create resumed>) = 3 [pid 5897] memfd_create("syzkaller", 0 [pid 5902] set_robust_list(0x55556a297660, 24 [pid 5901] set_robust_list(0x55556a297660, 24 [pid 5900] <... prctl resumed>) = 0 [pid 5899] write(3, "1000", 4 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5897] <... memfd_create resumed>) = 3 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5902 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5901 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] setpgid(0, 0 [pid 5899] <... write resumed>) = 4 [pid 5898] <... mmap resumed>) = 0x7f4090200000 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... setpgid resumed>) = 0 [pid 5899] close(3 [pid 5897] <... mmap resumed>) = 0x7f4090200000 [pid 5899] <... close resumed>) = 0 [pid 5902] <... prctl resumed>) = 0 [pid 5901] <... prctl resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5902] setpgid(0, 0executing program [pid 5901] setpgid(0, 0 [pid 5899] write(1, "executing program\n", 18 [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5902] <... setpgid resumed>) = 0 [pid 5901] <... setpgid resumed>) = 0 [pid 5899] <... write resumed>) = 18 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] <... openat resumed>) = 3 [pid 5900] write(3, "1000", 4 [pid 5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5900] <... write resumed>) = 4 [pid 5899] memfd_create("syzkaller", 0 [pid 5902] <... openat resumed>) = 3 [pid 5901] <... openat resumed>) = 3 [pid 5900] close(3 [pid 5899] <... memfd_create resumed>) = 3 [pid 5902] write(3, "1000", 4 [pid 5901] write(3, "1000", 4 [pid 5900] <... close resumed>) = 0 [pid 5902] <... write resumed>) = 4 executing program [pid 5901] <... write resumed>) = 4 [pid 5900] write(1, "executing program\n", 18 [pid 5902] close(3 [pid 5901] close(3 [pid 5900] <... write resumed>) = 18 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5902] <... close resumed>) = 0 [pid 5901] <... close resumed>) = 0 [pid 5900] memfd_create("syzkaller", 0 [pid 5899] <... mmap resumed>) = 0x7f4090200000 executing program executing program [pid 5902] write(1, "executing program\n", 18 [pid 5901] write(1, "executing program\n", 18 [pid 5900] <... memfd_create resumed>) = 3 [pid 5902] <... write resumed>) = 18 [pid 5901] <... write resumed>) = 18 [pid 5902] memfd_create("syzkaller", 0 [pid 5901] memfd_create("syzkaller", 0 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5902] <... memfd_create resumed>) = 3 [pid 5901] <... memfd_create resumed>) = 3 [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5898] <... write resumed>) = 524288 [pid 5897] <... write resumed>) = 524288 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5901] <... mmap resumed>) = 0x7f4090200000 [pid 5898] munmap(0x7f4090200000, 138412032 [pid 5897] munmap(0x7f4090200000, 138412032 [pid 5898] <... munmap resumed>) = 0 [pid 5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5902] <... mmap resumed>) = 0x7f4090200000 [pid 5901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5899] <... write resumed>) = 524288 [pid 5897] <... munmap resumed>) = 0 [pid 5900] <... write resumed>) = 524288 [pid 5899] munmap(0x7f4090200000, 138412032 [pid 5898] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5897] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5898] close(3 [pid 5897] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5899] <... munmap resumed>) = 0 [pid 5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5901] <... write resumed>) = 524288 [pid 5900] munmap(0x7f4090200000, 138412032 [pid 5899] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5898] <... close resumed>) = 0 [pid 5897] close(3 [pid 5899] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5898] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5899] close(3 [pid 5898] <... openat resumed>) = 3 [pid 5901] munmap(0x7f4090200000, 138412032 [pid 5897] <... close resumed>) = 0 [pid 5901] <... munmap resumed>) = 0 [pid 5898] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5900] <... munmap resumed>) = 0 [pid 5898] exit_group(0) = ? [pid 5899] <... close resumed>) = 0 [pid 5898] +++ exited with 0 +++ [pid 5899] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5901] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5900] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5899] <... openat resumed>) = 3 [pid 5897] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5901] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5900] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5899] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5897] <... openat resumed>) = 3 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5901] close(3 [pid 5900] close(3 [pid 5899] <... ioctl resumed>) = 0 [pid 5897] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5899] exit_group(0) = ? [pid 5902] <... write resumed>) = 524288 [pid 5901] <... close resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5897] <... ioctl resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5902] munmap(0x7f4090200000, 138412032) = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5900] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5899] +++ exited with 0 +++ [pid 5897] exit_group(0 [pid 5901] <... openat resumed>) = 3 [pid 5900] <... openat resumed>) = 3 [pid 5897] <... exit_group resumed>) = ? [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5901] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5902] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5901] <... ioctl resumed>) = 0 [pid 5900] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5897] +++ exited with 0 +++ [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5902] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5901] exit_group(0 [pid 5900] <... ioctl resumed>) = 0 [pid 5902] close(3 [pid 5901] <... exit_group resumed>) = ? [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5900] exit_group(0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached [pid 5901] +++ exited with 0 +++ [pid 5900] <... exit_group resumed>) = ? [pid 5902] <... close resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5903] set_robust_list(0x55556a297660, 24 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5903 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5900] +++ exited with 0 +++ [pid 5902] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5903] setpgid(0, 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5902] exit_group(0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... restart_syscall resumed>) = 0 [pid 5903] <... setpgid resumed>) = 0 [pid 5902] <... exit_group resumed>) = ? [pid 5847] <... restart_syscall resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5903] <... openat resumed>) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5902] +++ exited with 0 +++ [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5903] close(3 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5905 attached ./strace-static-x86_64: Process 5904 attached [pid 5855] <... restart_syscall resumed>) = 0 [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5905] set_robust_list(0x55556a297660, 24 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5904 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5904] set_robust_list(0x55556a297660, 24 [pid 5903] <... close resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5905 [pid 5903] write(1, "executing program\n", 18) = 18 executing program ./strace-static-x86_64: Process 5906 attached [pid 5903] memfd_create("syzkaller", 0 [pid 5906] set_robust_list(0x55556a297660, 24 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5903] <... memfd_create resumed>) = 3 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... mmap resumed>) = 0x7f4090200000 [pid 5905] <... prctl resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5905] setpgid(0, 0 [pid 5904] <... prctl resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5906 [pid 5906] <... prctl resumed>) = 0 [pid 5905] <... setpgid resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5906] setpgid(0, 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5906] <... setpgid resumed>) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] <... setpgid resumed>) = 0 [pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 5907 attached ./strace-static-x86_64: Process 5908 attached [pid 5907] set_robust_list(0x55556a297660, 24 [pid 5905] <... openat resumed>) = 3 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5907 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] <... openat resumed>) = 3 [pid 5905] write(3, "1000", 4 [pid 5904] <... openat resumed>) = 3 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5908 [pid 5908] set_robust_list(0x55556a297660, 24 [pid 5906] write(3, "1000", 4 [pid 5905] <... write resumed>) = 4 [pid 5904] write(3, "1000", 4 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5907] <... prctl resumed>) = 0 [pid 5905] close(3 [pid 5904] <... write resumed>) = 4 [pid 5906] <... write resumed>) = 4 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5907] setpgid(0, 0 executing program [pid 5905] <... close resumed>) = 0 [pid 5904] close(3 [pid 5903] <... write resumed>) = 524288 [pid 5908] <... prctl resumed>) = 0 [pid 5907] <... setpgid resumed>) = 0 [pid 5906] close(3 [pid 5905] write(1, "executing program\n", 18 [pid 5904] <... close resumed>) = 0 [pid 5908] setpgid(0, 0 [pid 5906] <... close resumed>) = 0 executing program [pid 5905] <... write resumed>) = 18 [pid 5904] write(1, "executing program\n", 18 [pid 5908] <... setpgid resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] write(1, "executing program\n", 18 [pid 5905] memfd_create("syzkaller", 0 [pid 5904] <... write resumed>) = 18 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5907] <... openat resumed>) = 3 [pid 5907] write(3, "1000", 4executing program executing program ) = 4 [pid 5906] <... write resumed>) = 18 [pid 5907] close(3) = 0 [pid 5907] write(1, "executing program\n", 18 [pid 5903] munmap(0x7f4090200000, 138412032 [pid 5908] <... openat resumed>) = 3 [pid 5907] <... write resumed>) = 18 [pid 5906] memfd_create("syzkaller", 0 [pid 5905] <... memfd_create resumed>) = 3 [pid 5904] memfd_create("syzkaller", 0 [pid 5903] <... munmap resumed>) = 0 [pid 5908] write(3, "1000", 4 [pid 5907] memfd_create("syzkaller", 0 [pid 5908] <... write resumed>) = 4 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5907] <... memfd_create resumed>) = 3 [pid 5906] <... memfd_create resumed>) = 3 [pid 5904] <... memfd_create resumed>) = 3 [pid 5908] close(3 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5905] <... mmap resumed>) = 0x7f4090200000 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5908] <... close resumed>) = 0 [pid 5908] write(1, "executing program\n", 18 [pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5907] <... mmap resumed>) = 0x7f4090200000 [pid 5903] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5908] <... write resumed>) = 18 [pid 5906] <... mmap resumed>) = 0x7f4090200000 [pid 5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5904] <... mmap resumed>) = 0x7f4090200000 [pid 5903] close(3 [pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5908] memfd_create("syzkaller", 0) = 3 [pid 5907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5903] <... close resumed>) = 0 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5903] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5908] <... mmap resumed>) = 0x7f4090200000 [pid 5907] <... write resumed>) = 524288 [pid 5906] <... write resumed>) = 524288 [pid 5905] <... write resumed>) = 524288 [pid 5904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5905] munmap(0x7f4090200000, 138412032 [pid 5903] <... openat resumed>) = 3 [pid 5905] <... munmap resumed>) = 0 [pid 5903] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5905] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5903] exit_group(0 [pid 5908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5906] munmap(0x7f4090200000, 138412032 [pid 5903] <... exit_group resumed>) = ? [pid 5905] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5905] close(3 [pid 5906] <... munmap resumed>) = 0 [pid 5905] <... close resumed>) = 0 [pid 5904] <... write resumed>) = 524288 [pid 5906] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5906] close(3 [pid 5903] +++ exited with 0 +++ [pid 5904] munmap(0x7f4090200000, 138412032 [pid 5907] munmap(0x7f4090200000, 138412032 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5907] <... munmap resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5907] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5904] <... munmap resumed>) = 0 [pid 5907] close(3 [pid 5908] <... write resumed>) = 524288 [pid 5907] <... close resumed>) = 0 [pid 5906] <... close resumed>) = 0 [pid 5904] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5908] munmap(0x7f4090200000, 138412032 [pid 5906] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5905] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5904] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5908] <... munmap resumed>) = 0 [pid 5906] <... openat resumed>) = 3 [pid 5905] <... openat resumed>) = 3 [pid 5904] close(3 [pid 5908] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... restart_syscall resumed>) = 0 [pid 5908] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5907] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5906] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5905] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5904] <... close resumed>) = 0 [pid 5908] close(3 [pid 5907] <... openat resumed>) = 3 [pid 5906] <... ioctl resumed>) = 0 [pid 5905] <... ioctl resumed>) = 0 [pid 5907] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5905] exit_group(0 [pid 5907] <... ioctl resumed>) = 0 [pid 5906] exit_group(0 [pid 5905] <... exit_group resumed>) = ? [pid 5904] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5908] <... close resumed>) = 0 [pid 5907] exit_group(0 [pid 5906] <... exit_group resumed>) = ? [pid 5905] +++ exited with 0 +++ [pid 5904] <... openat resumed>) = 3 [pid 5908] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5907] <... exit_group resumed>) = ? [pid 5908] <... openat resumed>) = 3 [pid 5907] +++ exited with 0 +++ [pid 5906] +++ exited with 0 +++ [pid 5904] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5908] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5904] <... ioctl resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5908] <... ioctl resumed>) = 0 [pid 5904] exit_group(0./strace-static-x86_64: Process 5909 attached ) = ? [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5909] set_robust_list(0x55556a297660, 24 [pid 5908] exit_group(0 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5908] <... exit_group resumed>) = ? [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5909 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5908] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5848] <... restart_syscall resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5909] <... prctl resumed>) = 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] setpgid(0, 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5909] <... setpgid resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached ./strace-static-x86_64: Process 5911 attached [pid 5909] <... openat resumed>) = 3 [pid 5909] write(3, "1000", 4 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5911] set_robust_list(0x55556a297660, 24 [pid 5910] set_robust_list(0x55556a297660, 24 [pid 5909] <... write resumed>) = 4 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5910 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] close(3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5911 ./strace-static-x86_64: Process 5912 attached [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5909] <... close resumed>) = 0 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] write(1, "executing program\n", 18 [pid 5912] set_robust_list(0x55556a297660, 24 [pid 5910] <... prctl resumed>) = 0 [pid 5911] <... prctl resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] setpgid(0, 0 [pid 5909] <... write resumed>) = 18 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] <... setpgid resumed>) = 0 [pid 5909] memfd_create("syzkaller", 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5913 attached [pid 5912] <... prctl resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] setpgid(0, 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5912] setpgid(0, 0 [pid 5910] <... setpgid resumed>) = 0 [pid 5909] <... memfd_create resumed>) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5912 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] <... mmap resumed>) = 0x7f4090200000 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5913 ./strace-static-x86_64: Process 5914 attached [pid 5913] set_robust_list(0x55556a297660, 24 [pid 5912] <... setpgid resumed>) = 0 [pid 5914] set_robust_list(0x55556a297660, 24 [pid 5911] <... openat resumed>) = 3 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] <... set_robust_list resumed>) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5913] <... set_robust_list resumed>) = 0 [pid 5911] write(3, "1000", 4 [pid 5910] <... openat resumed>) = 3 [pid 5912] <... openat resumed>) = 3 [pid 5914] <... prctl resumed>) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] write(3, "1000", 4 [pid 5911] <... write resumed>) = 4 [pid 5910] write(3, "1000", 4 [pid 5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5914 [pid 5914] setpgid(0, 0 [pid 5913] <... prctl resumed>) = 0 executing program executing program [pid 5912] <... write resumed>) = 4 [pid 5911] close(3 [pid 5910] <... write resumed>) = 4 [pid 5911] <... close resumed>) = 0 [pid 5910] close(3) = 0 [pid 5911] write(1, "executing program\n", 18 [pid 5910] write(1, "executing program\n", 18 [pid 5912] close(3 [pid 5910] <... write resumed>) = 18 [pid 5913] setpgid(0, 0 [pid 5912] <... close resumed>) = 0 [pid 5914] <... setpgid resumed>) = 0 [pid 5913] <... setpgid resumed>) = 0 executing program [pid 5912] write(1, "executing program\n", 18 [pid 5911] <... write resumed>) = 18 [pid 5910] memfd_create("syzkaller", 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] <... write resumed>) = 18 [pid 5911] memfd_create("syzkaller", 0 [pid 5914] <... openat resumed>) = 3 [pid 5913] <... openat resumed>) = 3 [pid 5912] memfd_create("syzkaller", 0 [pid 5911] <... memfd_create resumed>) = 3 [pid 5910] <... memfd_create resumed>) = 3 [pid 5909] <... write resumed>) = 524288 [pid 5914] write(3, "1000", 4 [pid 5913] write(3, "1000", 4 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] munmap(0x7f4090200000, 138412032 [pid 5912] <... memfd_create resumed>) = 3 [pid 5914] <... write resumed>) = 4 [pid 5913] <... write resumed>) = 4 [pid 5911] <... mmap resumed>) = 0x7f4090200000 [pid 5910] <... mmap resumed>) = 0x7f4090200000 [pid 5909] <... munmap resumed>) = 0 [pid 5914] close(3 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] close(3 [pid 5914] <... close resumed>) = 0 [pid 5913] <... close resumed>) = 0 [pid 5912] <... mmap resumed>) = 0x7f4090200000 executing program [pid 5914] write(1, "executing program\n", 18 [pid 5913] write(1, "executing program\n", 18 [pid 5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 5909] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5914] <... write resumed>) = 18 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] <... write resumed>) = 18 [pid 5909] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] close(3 [pid 5913] memfd_create("syzkaller", 0 [pid 5909] <... close resumed>) = 0 [pid 5914] <... memfd_create resumed>) = 3 [pid 5913] <... memfd_create resumed>) = 3 [pid 5911] <... write resumed>) = 524288 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5911] munmap(0x7f4090200000, 138412032 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5914] <... mmap resumed>) = 0x7f4090200000 [pid 5913] <... mmap resumed>) = 0x7f4090200000 [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5912] <... write resumed>) = 524288 [pid 5911] <... munmap resumed>) = 0 [pid 5910] <... write resumed>) = 524288 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5912] munmap(0x7f4090200000, 138412032 [pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5912] <... munmap resumed>) = 0 [pid 5911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5909] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5912] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5911] close(3 [pid 5909] <... openat resumed>) = 3 [pid 5909] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5910] munmap(0x7f4090200000, 138412032 [pid 5909] <... ioctl resumed>) = 0 [pid 5910] <... munmap resumed>) = 0 [pid 5909] exit_group(0) = ? [pid 5912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] close(3 [pid 5914] <... write resumed>) = 524288 [pid 5912] <... close resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5910] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5909] +++ exited with 0 +++ [pid 5914] munmap(0x7f4090200000, 138412032 [pid 5912] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5911] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5911] <... openat resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5910] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5910] close(3 [pid 5914] <... munmap resumed>) = 0 [pid 5913] <... write resumed>) = 524288 [pid 5912] <... openat resumed>) = 3 [pid 5911] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5910] <... close resumed>) = 0 [pid 5912] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5910] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5914] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5913] munmap(0x7f4090200000, 138412032 [pid 5912] <... ioctl resumed>) = 0 [pid 5911] <... ioctl resumed>) = 0 [pid 5910] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5912] exit_group(0 [pid 5911] exit_group(0 [pid 5910] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5914] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5912] <... exit_group resumed>) = ? [pid 5911] <... exit_group resumed>) = ? [pid 5910] <... ioctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5910] exit_group(0) = ? ./strace-static-x86_64: Process 5915 attached [pid 5914] close(3 [pid 5913] <... munmap resumed>) = 0 [pid 5912] +++ exited with 0 +++ [pid 5911] +++ exited with 0 +++ [pid 5915] set_robust_list(0x55556a297660, 24 [pid 5910] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5915] <... set_robust_list resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... restart_syscall resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5915] <... prctl resumed>) = 0 [pid 5915] setpgid(0, 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5915 [pid 5915] <... setpgid resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached [pid 5915] <... openat resumed>) = 3 [pid 5914] <... close resumed>) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5915] write(3, "1000", 4 [pid 5916] set_robust_list(0x55556a297660, 24 [pid 5915] <... write resumed>) = 4 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5915] close(3 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5916 [pid 5847] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5915] write(1, "executing program\n", 18 [pid 5916] <... prctl resumed>) = 0 [pid 5915] <... write resumed>) = 18 [pid 5916] setpgid(0, 0 [pid 5915] memfd_create("syzkaller", 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... memfd_create resumed>) = 3 [pid 5913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5914] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5913] close(3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5916] <... openat resumed>) = 3 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5916] write(3, "1000", 4) = 4 [pid 5916] close(3./strace-static-x86_64: Process 5917 attached ) = 0 [pid 5916] write(1, "executing program\n", 18executing program [pid 5917] set_robust_list(0x55556a297660, 24 [pid 5916] <... write resumed>) = 18 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5916] memfd_create("syzkaller", 0 [pid 5913] <... close resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x7f4090200000 [pid 5914] <... openat resumed>) = 3 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5917 [pid 5917] <... prctl resumed>) = 0 [pid 5916] <... memfd_create resumed>) = 3 [pid 5917] setpgid(0, 0 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5917] <... setpgid resumed>) = 0 [pid 5916] <... mmap resumed>) = 0x7f4090200000 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5917] <... openat resumed>) = 3 [pid 5917] write(3, "1000", 4 [pid 5916] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5915] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5914] <... ioctl resumed>) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5917] <... write resumed>) = 4 [pid 5914] exit_group(0 [pid 5913] <... openat resumed>) = 3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] close(3 [pid 5916] <... write resumed>) = 524288 [pid 5914] <... exit_group resumed>) = ? [pid 5913] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096executing program [pid 5917] <... close resumed>) = 0 [pid 5917] write(1, "executing program\n", 18) = 18 [pid 5917] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5918 attached ) = 3 [pid 5916] munmap(0x7f4090200000, 138412032 [pid 5915] <... write resumed>) = 524288 [pid 5914] +++ exited with 0 +++ [pid 5913] <... ioctl resumed>) = 0 [pid 5918] set_robust_list(0x55556a297660, 24 [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5915] munmap(0x7f4090200000, 138412032 [pid 5913] exit_group(0 [pid 5917] <... mmap resumed>) = 0x7f4090200000 [pid 5913] <... exit_group resumed>) = ? [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5916] <... munmap resumed>) = 0 [pid 5916] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5918] <... set_robust_list resumed>) = 0 [pid 5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5916] close(3 [pid 5915] <... munmap resumed>) = 0 [pid 5913] +++ exited with 0 +++ [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5918 [pid 5915] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5851] <... restart_syscall resumed>) = 0 [pid 5915] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] close(3 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] <... write resumed>) = 524288 [pid 5916] <... close resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5918] <... prctl resumed>) = 0 [pid 5917] munmap(0x7f4090200000, 138412032 [pid 5916] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5918] setpgid(0, 0 [pid 5917] <... munmap resumed>) = 0 [pid 5916] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5915] <... close resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5916] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5918] <... setpgid resumed>) = 0 [pid 5917] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5919 attached [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5919] set_robust_list(0x55556a297660, 24 [pid 5918] <... openat resumed>) = 3 [pid 5916] <... ioctl resumed>) = 0 [pid 5915] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] write(3, "1000", 4 [pid 5916] exit_group(0 [pid 5915] <... openat resumed>) = 3 [pid 5918] <... write resumed>) = 4 [pid 5917] close(3 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] close(3 [pid 5916] <... exit_group resumed>) = ? [pid 5915] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5919 ./strace-static-x86_64: Process 5920 attached [pid 5919] <... prctl resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 5917] <... close resumed>) = 0 [pid 5915] <... ioctl resumed>) = 0 executing program [pid 5920] set_robust_list(0x55556a297660, 24 [pid 5919] setpgid(0, 0 [pid 5918] write(1, "executing program\n", 18 [pid 5917] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5916] +++ exited with 0 +++ [pid 5915] exit_group(0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5920 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5918] <... write resumed>) = 18 [pid 5915] <... exit_group resumed>) = ? [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] <... setpgid resumed>) = 0 [pid 5918] memfd_create("syzkaller", 0 [pid 5917] <... openat resumed>) = 3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5920] <... prctl resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] <... memfd_create resumed>) = 3 [pid 5917] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5915] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5920] setpgid(0, 0 [pid 5919] <... openat resumed>) = 3 [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5917] <... ioctl resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5920] <... setpgid resumed>) = 0 [pid 5918] <... mmap resumed>) = 0x7f4090200000 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5921 attached [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] set_robust_list(0x55556a297660, 24 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5921] <... set_robust_list resumed>) = 0 [pid 5920] <... openat resumed>) = 3 [pid 5919] write(3, "1000", 4 [pid 5917] exit_group(0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5921 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5920] write(3, "1000", 4 [pid 5919] <... write resumed>) = 4 [pid 5917] <... exit_group resumed>) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] <... write resumed>) = 4 [pid 5919] close(3 [pid 5921] <... prctl resumed>) = 0 [pid 5921] setpgid(0, 0) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5917] +++ exited with 0 +++ [pid 5920] close(3./strace-static-x86_64: Process 5922 attached ) = 0 [pid 5919] <... close resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5922] set_robust_list(0x55556a297660, 24 [pid 5921] <... openat resumed>) = 3 executing program executing program [pid 5920] write(1, "executing program\n", 18 [pid 5919] write(1, "executing program\n", 18 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5922 [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] write(3, "1000", 4 [pid 5920] <... write resumed>) = 18 [pid 5919] <... write resumed>) = 18 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] <... write resumed>) = 4 [pid 5918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5922] <... prctl resumed>) = 0 [pid 5921] close(3 executing program [pid 5920] memfd_create("syzkaller", 0 [pid 5922] setpgid(0, 0 [pid 5921] <... close resumed>) = 0 [pid 5919] memfd_create("syzkaller", 0 [pid 5922] <... setpgid resumed>) = 0 [pid 5921] write(1, "executing program\n", 18 [pid 5919] <... memfd_create resumed>) = 3 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] <... write resumed>) = 18 [pid 5921] memfd_create("syzkaller", 0 [pid 5920] <... memfd_create resumed>) = 3 [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] <... openat resumed>) = 3 executing program [pid 5921] <... memfd_create resumed>) = 3 [pid 5920] <... mmap resumed>) = 0x7f4090200000 [pid 5919] <... mmap resumed>) = 0x7f4090200000 [pid 5918] <... write resumed>) = 524288 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5922] write(3, "1000", 4 [pid 5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5918] munmap(0x7f4090200000, 138412032 [pid 5922] <... write resumed>) = 4 [pid 5921] <... mmap resumed>) = 0x7f4090200000 [pid 5918] <... munmap resumed>) = 0 [pid 5922] close(3) = 0 [pid 5922] write(1, "executing program\n", 18 [pid 5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5922] <... write resumed>) = 18 [pid 5919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5918] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5918] close(3) = 0 [pid 5922] memfd_create("syzkaller", 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5922] <... memfd_create resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5922] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5918] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5919] <... write resumed>) = 524288 [pid 5918] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5918] exit_group(0) = ? ./strace-static-x86_64: Process 5923 attached [pid 5918] +++ exited with 0 +++ [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5923 [pid 5923] set_robust_list(0x55556a297660, 24 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5919] munmap(0x7f4090200000, 138412032 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5922] <... write resumed>) = 524288 [pid 5921] <... write resumed>) = 524288 [pid 5920] <... write resumed>) = 524288 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] munmap(0x7f4090200000, 138412032 [pid 5923] <... prctl resumed>) = 0 [pid 5922] munmap(0x7f4090200000, 138412032 [pid 5920] munmap(0x7f4090200000, 138412032 [pid 5923] setpgid(0, 0 [pid 5922] <... munmap resumed>) = 0 [pid 5921] <... munmap resumed>) = 0 [pid 5919] <... munmap resumed>) = 0 [pid 5923] <... setpgid resumed>) = 0 [pid 5920] <... munmap resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5921] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5920] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5919] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5922] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5921] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5923] <... openat resumed>) = 3 [pid 5922] close(3 [pid 5921] close(3 [pid 5920] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5919] close(3./strace-static-x86_64: Process 5924 attached [pid 5923] write(3, "1000", 4 [pid 5924] set_robust_list(0x55556a297660, 24 [pid 5923] <... write resumed>) = 4 [pid 5922] <... close resumed>) = 0 [pid 5920] close(3 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5924 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5923] close(3executing program [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] <... close resumed>) = 0 [pid 5923] write(1, "executing program\n", 18 [pid 5924] <... prctl resumed>) = 0 [pid 5923] <... write resumed>) = 18 [pid 5924] setpgid(0, 0 [pid 5923] memfd_create("syzkaller", 0 [pid 5924] <... setpgid resumed>) = 0 [pid 5922] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5921] <... close resumed>) = 0 [pid 5919] <... close resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5922] exit_group(0) = ? [pid 5924] <... openat resumed>) = 3 [pid 5923] <... memfd_create resumed>) = 3 [pid 5921] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5920] <... close resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5924] write(3, "1000", 4 [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] +++ exited with 0 +++ [pid 5921] <... openat resumed>) = 3 [pid 5924] <... write resumed>) = 4 [pid 5924] close(3) = 0 executing program [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5923] <... mmap resumed>) = 0x7f4090200000 [pid 5921] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5920] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5919] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5921] <... ioctl resumed>) = 0 [pid 5924] memfd_create("syzkaller", 0) = 3 [pid 5921] exit_group(0 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5924] <... mmap resumed>) = 0x7f4090200000 [pid 5924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5921] <... exit_group resumed>) = ? [pid 5920] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5919] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5919] <... ioctl resumed>) = 0 [pid 5921] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5924] <... write resumed>) = 524288 [pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5920] <... ioctl resumed>) = 0 [pid 5919] exit_group(0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5924] munmap(0x7f4090200000, 138412032 [pid 5920] exit_group(0 [pid 5919] <... exit_group resumed>) = ? [pid 5924] <... munmap resumed>) = 0 [pid 5920] <... exit_group resumed>) = ? [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5925 attached [pid 5919] +++ exited with 0 +++ [pid 5924] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5924] close(3 [pid 5925] set_robust_list(0x55556a297660, 24 [pid 5924] <... close resumed>) = 0 [pid 5920] +++ exited with 0 +++ [pid 5925] <... set_robust_list resumed>) = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5925 ./strace-static-x86_64: Process 5926 attached [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5926 [pid 5925] <... prctl resumed>) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5926] set_robust_list(0x55556a297660, 24 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... set_robust_list resumed>) = 0 [pid 5925] <... openat resumed>) = 3 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5925] write(3, "1000", 4 [pid 5926] <... prctl resumed>) = 0 [pid 5925] <... write resumed>) = 4 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5926] setpgid(0, 0 [pid 5925] close(3 [pid 5924] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5926] <... setpgid resumed>) = 0 executing program [pid 5925] <... close resumed>) = 0 [pid 5924] <... openat resumed>) = 3 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] write(1, "executing program\n", 18) = 18 [pid 5924] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5925] memfd_create("syzkaller", 0 [pid 5924] <... ioctl resumed>) = 0 [pid 5924] exit_group(0 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... memfd_create resumed>) = 3 [pid 5923] <... write resumed>) = 524288 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5924] <... exit_group resumed>) = ? [pid 5923] munmap(0x7f4090200000, 138412032./strace-static-x86_64: Process 5927 attached [pid 5926] <... openat resumed>) = 3 [pid 5925] <... mmap resumed>) = 0x7f4090200000 [pid 5927] set_robust_list(0x55556a297660, 24 [pid 5926] write(3, "1000", 4 [pid 5923] <... munmap resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5927 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... write resumed>) = 4 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] close(3) = 0 [pid 5927] <... prctl resumed>) = 0 executing program [pid 5926] write(1, "executing program\n", 18 [pid 5924] +++ exited with 0 +++ [pid 5923] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5927] setpgid(0, 0 [pid 5926] <... write resumed>) = 18 [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5927] <... setpgid resumed>) = 0 [pid 5926] memfd_create("syzkaller", 0 [pid 5923] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] close(3 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] <... memfd_create resumed>) = 3 [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5927] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5928 attached [pid 5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5925] <... write resumed>) = 524288 [pid 5923] <... close resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5928] set_robust_list(0x55556a297660, 24 [pid 5927] write(3, "1000", 4 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5928 [pid 5923] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5928] <... set_robust_list resumed>) = 0 [pid 5927] <... write resumed>) = 4 [pid 5927] close(3 [pid 5925] munmap(0x7f4090200000, 138412032 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5928] <... prctl resumed>) = 0 [pid 5927] <... close resumed>) = 0 [pid 5925] <... munmap resumed>) = 0 [pid 5923] <... openat resumed>) = 3 executing program [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5928] setpgid(0, 0 [pid 5927] write(1, "executing program\n", 18 [pid 5923] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5928] <... setpgid resumed>) = 0 [pid 5927] <... write resumed>) = 18 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5927] memfd_create("syzkaller", 0 [pid 5925] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5923] <... ioctl resumed>) = 0 [pid 5927] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5929 attached [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5925] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5928] <... openat resumed>) = 3 [pid 5926] <... write resumed>) = 524288 [pid 5923] exit_group(0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5929 [pid 5928] write(3, "1000", 4 [pid 5929] set_robust_list(0x55556a297660, 24 [pid 5923] <... exit_group resumed>) = ? [pid 5929] <... set_robust_list resumed>) = 0 [pid 5925] close(3 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] <... write resumed>) = 4 [pid 5926] munmap(0x7f4090200000, 138412032 [pid 5923] +++ exited with 0 +++ [pid 5929] <... prctl resumed>) = 0 [pid 5928] close(3 [pid 5929] setpgid(0, 0) = 0 executing program [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] <... close resumed>) = 0 [pid 5926] <... munmap resumed>) = 0 [pid 5929] <... openat resumed>) = 3 [pid 5928] write(1, "executing program\n", 18 [pid 5929] write(3, "1000", 4 [pid 5928] <... write resumed>) = 18 [pid 5925] <... close resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5929] <... write resumed>) = 4 [pid 5929] close(3 [pid 5928] memfd_create("syzkaller", 0 [pid 5929] <... close resumed>) = 0 [pid 5928] <... memfd_create resumed>) = 3 [pid 5927] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 5929] write(1, "executing program\n", 18 [pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5925] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5929] <... write resumed>) = 18 [pid 5928] <... mmap resumed>) = 0x7f4090200000 [pid 5925] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5929] memfd_create("syzkaller", 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5929] <... memfd_create resumed>) = 3 [pid 5925] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096./strace-static-x86_64: Process 5930 attached ) = 0 [pid 5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5925] exit_group(0 [pid 5929] <... mmap resumed>) = 0x7f4090200000 [pid 5930] set_robust_list(0x55556a297660, 24 [pid 5929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5926] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5925] <... exit_group resumed>) = ? [pid 5930] <... set_robust_list resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5930 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5927] <... write resumed>) = 524288 [pid 5926] close(3 [pid 5925] +++ exited with 0 +++ [pid 5930] <... prctl resumed>) = 0 [pid 5930] setpgid(0, 0) = 0 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5930] write(3, "1000", 4) = 4 [pid 5930] close(3) = 0 [pid 5930] write(1, "executing program\n", 18 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5930] <... write resumed>) = 18 [pid 5930] memfd_create("syzkaller", 0) = 3 [pid 5929] <... write resumed>) = 524288 [pid 5928] <... write resumed>) = 524288 [pid 5927] munmap(0x7f4090200000, 138412032 [pid 5926] <... close resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5929] munmap(0x7f4090200000, 138412032 [pid 5930] <... mmap resumed>) = 0x7f4090200000 [pid 5928] munmap(0x7f4090200000, 138412032 [pid 5927] <... munmap resumed>) = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5855] <... restart_syscall resumed>) = 0 [pid 5929] <... munmap resumed>) = 0 [pid 5928] <... munmap resumed>) = 0 [pid 5927] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5926] <... openat resumed>) = 3 [pid 5928] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5927] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5926] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5928] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5927] close(3 [pid 5926] <... ioctl resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5929] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5928] close(3 [pid 5929] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5928] <... close resumed>) = 0 [pid 5927] <... close resumed>) = 0 [pid 5926] exit_group(0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5931 attached [pid 5930] <... write resumed>) = 524288 [pid 5929] close(3 [pid 5928] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5927] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5926] <... exit_group resumed>) = ? [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5931 [pid 5931] set_robust_list(0x55556a297660, 24 [pid 5930] munmap(0x7f4090200000, 138412032 [pid 5927] <... openat resumed>) = 3 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5930] <... munmap resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5927] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5927] <... ioctl resumed>) = 0 [pid 5926] +++ exited with 0 +++ [pid 5931] <... prctl resumed>) = 0 [pid 5930] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5927] exit_group(0 [pid 5931] setpgid(0, 0 [pid 5930] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5929] <... close resumed>) = 0 [pid 5928] <... ioctl resumed>) = 0 [pid 5927] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5931] <... setpgid resumed>) = 0 [pid 5930] close(3 [pid 5929] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5928] exit_group(0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5929] <... openat resumed>) = 3 [pid 5928] <... exit_group resumed>) = ? [pid 5927] +++ exited with 0 +++ [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5929] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5931] <... openat resumed>) = 3 [pid 5930] <... close resumed>) = 0 [pid 5931] write(3, "1000", 4 [pid 5929] exit_group(0 [pid 5928] +++ exited with 0 +++ [pid 5849] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5931] <... write resumed>) = 4 [pid 5930] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5929] <... exit_group resumed>) = ? [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5931] close(3 [pid 5930] <... openat resumed>) = 3 [pid 5931] <... close resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5931] write(1, "executing program\n", 18 [pid 5930] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5929] +++ exited with 0 +++ [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 5931] <... write resumed>) = 18 [pid 5930] <... ioctl resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5932 attached [pid 5930] exit_group(0 [pid 5932] set_robust_list(0x55556a297660, 24 [pid 5931] memfd_create("syzkaller", 0 [pid 5930] <... exit_group resumed>) = ? [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5932 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5933 attached [pid 5932] <... set_robust_list resumed>) = 0 [pid 5930] +++ exited with 0 +++ [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5934 attached [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... memfd_create resumed>) = 3 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5934] set_robust_list(0x55556a297660, 24 [pid 5933] set_robust_list(0x55556a297660, 24 [pid 5932] <... prctl resumed>) = 0 [pid 5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5934 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] setpgid(0, 0 [pid 5931] <... mmap resumed>) = 0x7f4090200000 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5933 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] <... setpgid resumed>) = 0 [pid 5934] <... prctl resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] setpgid(0, 0) = 0 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] <... openat resumed>) = 3 [pid 5931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5848] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5933] <... prctl resumed>) = 0 [pid 5932] write(3, "1000", 4) = 4 [pid 5932] close(3 [pid 5934] <... openat resumed>) = 3 [pid 5933] setpgid(0, 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5935 [pid 5933] <... setpgid resumed>) = 0 [pid 5935] set_robust_list(0x55556a297660, 24 [pid 5932] <... close resumed>) = 0 executing program [pid 5934] write(3, "1000", 4 [pid 5932] write(1, "executing program\n", 18 [pid 5934] <... write resumed>) = 4 [pid 5932] <... write resumed>) = 18 [pid 5934] close(3) = 0 [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5932] memfd_create("syzkaller", 0 [pid 5934] write(1, "executing program\n", 18 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5934] <... write resumed>) = 18 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] memfd_create("syzkaller", 0 [pid 5933] <... openat resumed>) = 3 [pid 5932] <... memfd_create resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5935] <... prctl resumed>) = 0 [pid 5933] write(3, "1000", 4 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] setpgid(0, 0 [pid 5933] <... write resumed>) = 4 ./strace-static-x86_64: Process 5936 attached [pid 5935] <... setpgid resumed>) = 0 [pid 5933] close(3 [pid 5936] set_robust_list(0x55556a297660, 24 [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5934] <... memfd_create resumed>) = 3 [pid 5933] <... close resumed>) = 0 [pid 5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5936 [pid 5933] write(1, "executing program\n", 18 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5933] <... write resumed>) = 18 [pid 5932] <... mmap resumed>) = 0x7f4090200000 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] <... openat resumed>) = 3 [pid 5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5933] memfd_create("syzkaller", 0 [pid 5936] <... prctl resumed>) = 0 [pid 5934] <... mmap resumed>) = 0x7f4090200000 [pid 5933] <... memfd_create resumed>) = 3 [pid 5936] setpgid(0, 0 [pid 5935] write(3, "1000", 4 [pid 5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] <... setpgid resumed>) = 0 [pid 5935] <... write resumed>) = 4 [pid 5933] <... mmap resumed>) = 0x7f4090200000 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5935] close(3 [pid 5933] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5932] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 5936] <... openat resumed>) = 3 [pid 5935] <... close resumed>) = 0 [pid 5935] write(1, "executing program\n", 18) = 18 [pid 5935] memfd_create("syzkaller", 0 [pid 5934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5936] write(3, "1000", 4) = 4 [pid 5935] <... memfd_create resumed>) = 3 [pid 5936] close(3 [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] <... close resumed>) = 0 [pid 5935] <... mmap resumed>) = 0x7f4090200000 [pid 5936] write(1, "executing program\n", 18 executing program [pid 5931] <... write resumed>) = 524288 [pid 5936] <... write resumed>) = 18 [pid 5936] memfd_create("syzkaller", 0) = 3 [pid 5931] munmap(0x7f4090200000, 138412032 [pid 5935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5934] <... write resumed>) = 524288 [pid 5932] <... write resumed>) = 524288 [pid 5931] <... munmap resumed>) = 0 [pid 5931] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5934] munmap(0x7f4090200000, 138412032 [pid 5933] <... write resumed>) = 524288 [pid 5932] munmap(0x7f4090200000, 138412032 [pid 5931] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5931] close(3 [pid 5932] <... munmap resumed>) = 0 [pid 5935] <... write resumed>) = 524288 [pid 5936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5934] <... munmap resumed>) = 0 [pid 5933] munmap(0x7f4090200000, 138412032 [pid 5932] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5931] <... close resumed>) = 0 [pid 5935] munmap(0x7f4090200000, 138412032 [pid 5934] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5933] <... munmap resumed>) = 0 [pid 5932] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5931] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5935] <... munmap resumed>) = 0 [pid 5934] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5933] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5932] close(3 [pid 5931] <... openat resumed>) = 3 [pid 5936] <... write resumed>) = 524288 [pid 5935] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5934] close(3 [pid 5933] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] munmap(0x7f4090200000, 138412032 [pid 5931] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] <... munmap resumed>) = 0 [pid 5934] <... close resumed>) = 0 [pid 5933] close(3 [pid 5932] <... close resumed>) = 0 [pid 5931] <... ioctl resumed>) = 0 [pid 5934] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5935] close(3 [pid 5934] <... openat resumed>) = 3 [pid 5934] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5936] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5935] <... close resumed>) = 0 [pid 5933] <... close resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5931] exit_group(0 [pid 5935] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5934] <... ioctl resumed>) = 0 [pid 5936] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5935] <... openat resumed>) = 3 [pid 5933] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5932] <... openat resumed>) = 3 [pid 5931] <... exit_group resumed>) = ? [pid 5936] close(3 [pid 5935] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5934] exit_group(0 [pid 5933] <... openat resumed>) = 3 [pid 5935] <... ioctl resumed>) = 0 [pid 5934] <... exit_group resumed>) = ? [pid 5932] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5936] <... close resumed>) = 0 [pid 5935] exit_group(0 [pid 5934] +++ exited with 0 +++ [pid 5933] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5931] +++ exited with 0 +++ [pid 5933] <... ioctl resumed>) = 0 [pid 5932] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5933] exit_group(0 [pid 5932] <... exit_group resumed>) = ? [pid 5936] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5935] <... exit_group resumed>) = ? [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5936] <... openat resumed>) = 3 [pid 5933] <... exit_group resumed>) = ? [pid 5932] +++ exited with 0 +++ [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5936] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5935] +++ exited with 0 +++ [pid 5933] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5936] <... ioctl resumed>) = 0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5936] exit_group(0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5936] <... exit_group resumed>) = ? [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5937] set_robust_list(0x55556a297660, 24./strace-static-x86_64: Process 5938 attached [pid 5936] +++ exited with 0 +++ [pid 5851] <... restart_syscall resumed>) = 0 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5938] set_robust_list(0x55556a297660, 24 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5937 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5938 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... prctl resumed>) = 0 [pid 5938] <... prctl resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5938] setpgid(0, 0 [pid 5937] <... setpgid resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] <... setpgid resumed>) = 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] <... openat resumed>) = 3 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5940 attached [pid 5937] write(3, "1000", 4 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5940] set_robust_list(0x55556a297660, 24./strace-static-x86_64: Process 5942 attached ./strace-static-x86_64: Process 5941 attached ) = 0 [pid 5939] set_robust_list(0x55556a297660, 24 [pid 5938] <... openat resumed>) = 3 [pid 5937] <... write resumed>) = 4 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5939 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5940 [pid 5942] set_robust_list(0x55556a297660, 24 [pid 5941] set_robust_list(0x55556a297660, 24 [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] write(3, "1000", 4 [pid 5937] close(3 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] <... set_robust_list resumed>) = 0 [pid 5940] <... prctl resumed>) = 0 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5941 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5942 [pid 5938] <... write resumed>) = 4 [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... close resumed>) = 0 [pid 5940] setpgid(0, 0 [pid 5939] <... prctl resumed>) = 0 [pid 5940] <... setpgid resumed>) = 0 [pid 5939] setpgid(0, 0 [pid 5938] close(3 [pid 5937] write(1, "executing program\n", 18 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... prctl resumed>) = 0 [pid 5941] <... prctl resumed>) = 0 [pid 5939] <... setpgid resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5937] <... write resumed>) = 18 [pid 5942] setpgid(0, 0 [pid 5940] <... openat resumed>) = 3 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5942] <... setpgid resumed>) = 0 [pid 5938] write(1, "executing program\n", 18 [pid 5937] memfd_create("syzkaller", 0 [pid 5941] setpgid(0, 0) = 0 [pid 5940] write(3, "1000", 4) = 4 executing program [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5940] close(3 [pid 5939] <... openat resumed>) = 3 [pid 5938] <... write resumed>) = 18 [pid 5937] <... memfd_create resumed>) = 3 [pid 5940] <... close resumed>) = 0 [pid 5942] <... openat resumed>) = 3 [pid 5940] write(1, "executing program\n", 18executing program [pid 5938] memfd_create("syzkaller", 0 [pid 5942] write(3, "1000", 4 [pid 5941] <... openat resumed>) = 3 [pid 5940] <... write resumed>) = 18 [pid 5939] write(3, "1000", 4 [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] <... write resumed>) = 4 [pid 5941] write(3, "1000", 4 [pid 5940] memfd_create("syzkaller", 0 [pid 5939] <... write resumed>) = 4 [pid 5938] <... memfd_create resumed>) = 3 [pid 5937] <... mmap resumed>) = 0x7f4090200000 [pid 5942] close(3 [pid 5941] <... write resumed>) = 4 [pid 5940] <... memfd_create resumed>) = 3 [pid 5939] close(3executing program executing program [pid 5941] close(3 [pid 5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] <... close resumed>) = 0 [pid 5941] <... close resumed>) = 0 [pid 5940] <... mmap resumed>) = 0x7f4090200000 [pid 5939] <... close resumed>) = 0 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] write(1, "executing program\n", 18 [pid 5939] write(1, "executing program\n", 18 [pid 5942] <... write resumed>) = 18 [pid 5939] <... write resumed>) = 18 [pid 5938] <... mmap resumed>) = 0x7f4090200000 [pid 5942] memfd_create("syzkaller", 0executing program [pid 5941] write(1, "executing program\n", 18 [pid 5940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5939] memfd_create("syzkaller", 0 [pid 5941] <... write resumed>) = 18 [pid 5938] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5941] memfd_create("syzkaller", 0 [pid 5942] <... memfd_create resumed>) = 3 [pid 5941] <... memfd_create resumed>) = 3 [pid 5939] <... memfd_create resumed>) = 3 [pid 5937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] <... mmap resumed>) = 0x7f4090200000 [pid 5941] <... mmap resumed>) = 0x7f4090200000 [pid 5940] <... write resumed>) = 524288 [pid 5939] <... mmap resumed>) = 0x7f4090200000 [pid 5938] <... write resumed>) = 524288 [pid 5941] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5942] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5939] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5940] munmap(0x7f4090200000, 138412032) = 0 [pid 5940] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5937] <... write resumed>) = 524288 [pid 5941] <... write resumed>) = 524288 [pid 5942] <... write resumed>) = 524288 [pid 5940] close(3 [pid 5939] <... write resumed>) = 524288 [pid 5938] munmap(0x7f4090200000, 138412032 [pid 5937] munmap(0x7f4090200000, 138412032 [pid 5942] munmap(0x7f4090200000, 138412032 [pid 5941] munmap(0x7f4090200000, 138412032 [pid 5937] <... munmap resumed>) = 0 [pid 5939] munmap(0x7f4090200000, 138412032 [pid 5942] <... munmap resumed>) = 0 [pid 5938] <... munmap resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5941] <... munmap resumed>) = 0 [pid 5940] <... close resumed>) = 0 [pid 5939] <... munmap resumed>) = 0 [pid 5938] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5937] close(3 [pid 5939] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5942] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5941] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5940] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5939] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5938] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5942] close(3 [pid 5941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5940] <... openat resumed>) = 3 [pid 5939] close(3 [pid 5938] close(3 [pid 5941] close(3) = 0 [pid 5939] <... close resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5937] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5941] <... openat resumed>) = 3 [pid 5937] <... openat resumed>) = 3 [pid 5937] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5941] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5937] <... ioctl resumed>) = 0 [pid 5937] exit_group(0 [pid 5941] <... ioctl resumed>) = 0 [pid 5937] <... exit_group resumed>) = ? [pid 5942] <... close resumed>) = 0 [pid 5937] +++ exited with 0 +++ [pid 5941] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5940] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5941] <... exit_group resumed>) = ? [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5942] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5941] +++ exited with 0 +++ [pid 5940] <... ioctl resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5938] <... close resumed>) = 0 [pid 5942] <... openat resumed>) = 3 [pid 5940] exit_group(0 [pid 5939] <... openat resumed>) = 3 [pid 5938] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5942] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5940] <... exit_group resumed>) = ? [pid 5939] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5938] <... openat resumed>) = 3 [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... restart_syscall resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5940] +++ exited with 0 +++ [pid 5939] <... ioctl resumed>) = 0 [pid 5942] <... ioctl resumed>) = 0 [pid 5938] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5942] exit_group(0 [pid 5938] <... ioctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached [pid 5942] <... exit_group resumed>) = ? [pid 5939] exit_group(0 [pid 5938] exit_group(0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] <... restart_syscall resumed>) = 0 [pid 5943] set_robust_list(0x55556a297660, 24 [pid 5939] <... exit_group resumed>) = ? [pid 5938] <... exit_group resumed>) = ? [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5943] <... set_robust_list resumed>) = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5943 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5944 attached [pid 5938] +++ exited with 0 +++ [pid 5944] set_robust_list(0x55556a297660, 24 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5944] <... set_robust_list resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5943] setpgid(0, 0 [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... setpgid resumed>) = 0 [pid 5942] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5944 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5944] <... prctl resumed>) = 0 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5944] setpgid(0, 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5944] <... setpgid resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... openat resumed>) = 3 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5943] write(3, "1000", 4 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] <... openat resumed>) = 3 [pid 5943] <... write resumed>) = 4 ./strace-static-x86_64: Process 5945 attached [pid 5944] write(3, "1000", 4 [pid 5943] close(3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... restart_syscall resumed>) = 0 [pid 5945] set_robust_list(0x55556a297660, 24 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] <... set_robust_list resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5945 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] <... write resumed>) = 4 executing program [pid 5943] <... close resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5946 attached ./strace-static-x86_64: Process 5947 attached [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] close(3 [pid 5943] write(1, "executing program\n", 18 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5947] set_robust_list(0x55556a297660, 24 [pid 5946] set_robust_list(0x55556a297660, 24 [pid 5945] <... prctl resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5943] <... write resumed>) = 18 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5946 [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] setpgid(0, 0 [pid 5944] write(1, "executing program\n", 18 [pid 5943] memfd_create("syzkaller", 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5947 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5944] <... write resumed>) = 18 [pid 5943] <... memfd_create resumed>) = 3 [pid 5947] <... prctl resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] <... setpgid resumed>) = 0 [pid 5944] memfd_create("syzkaller", 0 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5944] <... memfd_create resumed>) = 3 [pid 5943] <... mmap resumed>) = 0x7f4090200000 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5948 attached [pid 5947] setpgid(0, 0 [pid 5946] <... prctl resumed>) = 0 [pid 5945] <... openat resumed>) = 3 [pid 5944] <... mmap resumed>) = 0x7f4090200000 [pid 5943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5948] set_robust_list(0x55556a297660, 24 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] setpgid(0, 0 [pid 5945] write(3, "1000", 4 [pid 5944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... setpgid resumed>) = 0 [pid 5945] <... write resumed>) = 4 [pid 5948] <... prctl resumed>) = 0 [pid 5948] setpgid(0, 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] close(3) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5948] <... setpgid resumed>) = 0 executing program [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] write(3, "1000", 4 [pid 5945] write(1, "executing program\n", 18 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5948 [pid 5948] <... openat resumed>) = 3 [pid 5947] <... write resumed>) = 4 [pid 5946] <... openat resumed>) = 3 [pid 5945] <... write resumed>) = 18 [pid 5944] <... write resumed>) = 524288 [pid 5947] close(3 [pid 5948] write(3, "1000", 4 [pid 5947] <... close resumed>) = 0 [pid 5946] write(3, "1000", 4 [pid 5945] memfd_create("syzkaller", 0 [pid 5943] <... write resumed>) = 524288 [pid 5948] <... write resumed>) = 4 [pid 5948] close(3) = 0 [pid 5946] <... write resumed>) = 4 [pid 5946] close(3executing program [pid 5945] <... memfd_create resumed>) = 3 [pid 5947] write(1, "executing program\n", 18 [pid 5946] <... close resumed>) = 0 executing program executing program [pid 5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5947] <... write resumed>) = 18 [pid 5946] write(1, "executing program\n", 18 [pid 5945] <... mmap resumed>) = 0x7f4090200000 [pid 5948] write(1, "executing program\n", 18) = 18 [pid 5947] memfd_create("syzkaller", 0 [pid 5948] memfd_create("syzkaller", 0 [pid 5946] <... write resumed>) = 18 [pid 5948] <... memfd_create resumed>) = 3 [pid 5948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5944] munmap(0x7f4090200000, 138412032 [pid 5947] <... memfd_create resumed>) = 3 [pid 5946] memfd_create("syzkaller", 0 [pid 5944] <... munmap resumed>) = 0 [pid 5947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5947] <... mmap resumed>) = 0x7f4090200000 [pid 5946] <... memfd_create resumed>) = 3 [pid 5944] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5943] munmap(0x7f4090200000, 138412032) = 0 [pid 5948] <... write resumed>) = 524288 [pid 5947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5945] <... write resumed>) = 524288 [pid 5944] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5943] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5948] munmap(0x7f4090200000, 138412032 [pid 5947] <... write resumed>) = 524288 [pid 5946] <... mmap resumed>) = 0x7f4090200000 [pid 5945] munmap(0x7f4090200000, 138412032 [pid 5944] close(3 [pid 5943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5948] <... munmap resumed>) = 0 [pid 5943] close(3 [pid 5948] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5945] <... munmap resumed>) = 0 [pid 5944] <... close resumed>) = 0 [pid 5948] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5948] close(3) = 0 [pid 5945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] close(3 [pid 5947] munmap(0x7f4090200000, 138412032) = 0 [pid 5943] <... close resumed>) = 0 [pid 5944] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5944] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5943] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5944] <... ioctl resumed>) = 0 [pid 5943] <... openat resumed>) = 3 [pid 5945] <... close resumed>) = 0 [pid 5944] exit_group(0 [pid 5943] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5947] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5943] exit_group(0 [pid 5948] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5947] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5944] <... exit_group resumed>) = ? [pid 5943] <... exit_group resumed>) = ? [pid 5948] <... openat resumed>) = 3 [pid 5947] close(3 [pid 5946] <... write resumed>) = 524288 [pid 5945] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5944] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5948] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5946] munmap(0x7f4090200000, 138412032 [pid 5945] <... openat resumed>) = 3 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5945] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5948] exit_group(0) = ? [pid 5948] +++ exited with 0 +++ [pid 5946] <... munmap resumed>) = 0 [pid 5945] <... ioctl resumed>) = 0 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] exit_group(0 [pid 5947] <... close resumed>) = 0 [pid 5946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5945] <... exit_group resumed>) = ? [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5947] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5946] close(3 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5947] <... openat resumed>) = 3 [pid 5946] <... close resumed>) = 0 [pid 5945] +++ exited with 0 +++ [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 ./strace-static-x86_64: Process 5949 attached [pid 5947] exit_group(0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5947] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5950 attached [pid 5949] set_robust_list(0x55556a297660, 24 [pid 5947] +++ exited with 0 +++ [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5951 attached [pid 5950] set_robust_list(0x55556a297660, 24 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5949 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5950 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5951] set_robust_list(0x55556a297660, 24 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... set_robust_list resumed>) = 0 [pid 5950] <... prctl resumed>) = 0 [pid 5946] <... openat resumed>) = 3 [pid 5949] <... prctl resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5951 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5950] setpgid(0, 0 [pid 5949] setpgid(0, 0 [pid 5946] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5951] setpgid(0, 0 [pid 5950] <... setpgid resumed>) = 0 [pid 5949] <... setpgid resumed>) = 0 [pid 5946] <... ioctl resumed>) = 0 [pid 5951] <... setpgid resumed>) = 0 [pid 5946] exit_group(0 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] <... restart_syscall resumed>) = 0 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] <... openat resumed>) = 3 [pid 5946] <... exit_group resumed>) = ? executing program [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5951] <... openat resumed>) = 3 [pid 5950] <... openat resumed>) = 3 [pid 5949] write(3, "1000", 4 [pid 5946] +++ exited with 0 +++ [pid 5950] write(3, "1000", 4 [pid 5949] <... write resumed>) = 4 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... write resumed>) = 4 [pid 5949] close(3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5950] close(3 [pid 5949] <... close resumed>) = 0 [pid 5950] <... close resumed>) = 0 [pid 5949] write(1, "executing program\n", 18 [pid 5950] write(1, "executing program\n", 18 [pid 5949] <... write resumed>) = 18 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5951] write(3, "1000", 4executing program [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5952 attached [pid 5951] <... write resumed>) = 4 [pid 5950] <... write resumed>) = 18 [pid 5949] memfd_create("syzkaller", 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5951] close(3 [pid 5950] memfd_create("syzkaller", 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5953 attached [pid 5952] set_robust_list(0x55556a297660, 24 [pid 5951] <... close resumed>) = 0 [pid 5950] <... memfd_create resumed>) = 3 [pid 5949] <... memfd_create resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5952 [pid 5953] set_robust_list(0x55556a297660, 24 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5951] write(1, "executing program\n", 18 [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5953 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5951] <... write resumed>) = 18 [pid 5951] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5954 attached [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... prctl resumed>) = 0 [pid 5951] <... memfd_create resumed>) = 3 [pid 5949] <... mmap resumed>) = 0x7f4090200000 [pid 5950] <... mmap resumed>) = 0x7f4090200000 [pid 5954] set_robust_list(0x55556a297660, 24 [pid 5953] <... prctl resumed>) = 0 [pid 5952] setpgid(0, 0 [pid 5951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5952] <... setpgid resumed>) = 0 [pid 5951] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] setpgid(0, 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5950] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5954 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... setpgid resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5951] <... write resumed>) = 524288 [pid 5954] <... prctl resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] write(3, "1000", 4 [pid 5949] <... write resumed>) = 524288 [pid 5952] <... write resumed>) = 4 [pid 5954] setpgid(0, 0 [pid 5953] <... openat resumed>) = 3 [pid 5952] close(3 [pid 5954] <... setpgid resumed>) = 0 [pid 5953] write(3, "1000", 4 [pid 5952] <... close resumed>) = 0 executing program [pid 5953] <... write resumed>) = 4 [pid 5952] write(1, "executing program\n", 18 [pid 5951] munmap(0x7f4090200000, 138412032 [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] close(3 [pid 5952] <... write resumed>) = 18 [pid 5951] <... munmap resumed>) = 0 [pid 5950] <... write resumed>) = 524288 [pid 5951] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5951] close(3) = 0 [pid 5954] <... openat resumed>) = 3 [pid 5953] <... close resumed>) = 0 [pid 5952] memfd_create("syzkaller", 0 [pid 5950] munmap(0x7f4090200000, 138412032 [pid 5949] munmap(0x7f4090200000, 138412032 [pid 5954] write(3, "1000", 4 [pid 5953] write(1, "executing program\n", 18executing program [pid 5952] <... memfd_create resumed>) = 3 [pid 5951] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5950] <... munmap resumed>) = 0 [pid 5949] <... munmap resumed>) = 0 [pid 5954] <... write resumed>) = 4 [pid 5953] <... write resumed>) = 18 [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5953] memfd_create("syzkaller", 0 [pid 5952] <... mmap resumed>) = 0x7f4090200000 [pid 5954] close(3 [pid 5953] <... memfd_create resumed>) = 3 [pid 5951] <... openat resumed>) = 3 [pid 5950] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5949] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 5954] <... close resumed>) = 0 [pid 5953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5951] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5949] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5954] write(1, "executing program\n", 18 [pid 5953] <... mmap resumed>) = 0x7f4090200000 [pid 5951] <... ioctl resumed>) = 0 [pid 5950] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5954] <... write resumed>) = 18 [pid 5951] exit_group(0 [pid 5950] close(3 [pid 5953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5951] <... exit_group resumed>) = ? [pid 5950] <... close resumed>) = 0 [pid 5949] close(3 [pid 5954] memfd_create("syzkaller", 0 [pid 5953] <... write resumed>) = 524288 [pid 5952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5951] +++ exited with 0 +++ [pid 5954] <... memfd_create resumed>) = 3 [pid 5953] munmap(0x7f4090200000, 138412032 [pid 5950] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5949] <... close resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5953] <... munmap resumed>) = 0 [pid 5950] <... openat resumed>) = 3 [pid 5954] <... mmap resumed>) = 0x7f4090200000 [pid 5953] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5950] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5950] <... ioctl resumed>) = 0 [pid 5949] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5953] close(3 [pid 5950] exit_group(0 [pid 5949] <... openat resumed>) = 3 [pid 5954] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5950] <... exit_group resumed>) = ? [pid 5949] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5952] <... write resumed>) = 524288 [pid 5950] +++ exited with 0 +++ [pid 5949] <... ioctl resumed>) = 0 [pid 5953] <... close resumed>) = 0 [pid 5949] exit_group(0 [pid 5952] munmap(0x7f4090200000, 138412032 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5952] <... munmap resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5949] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5955 attached [pid 5952] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5949] +++ exited with 0 +++ [pid 5846] <... restart_syscall resumed>) = 0 [pid 5955] set_robust_list(0x55556a297660, 24 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5955] <... set_robust_list resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5955 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] <... openat resumed>) = 3 [pid 5953] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096./strace-static-x86_64: Process 5956 attached ) = 0 [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] close(3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5956 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5956] set_robust_list(0x55556a297660, 24 [pid 5953] exit_group(0 [pid 5956] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5957 attached [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... exit_group resumed>) = ? [pid 5957] set_robust_list(0x55556a297660, 24 [pid 5956] <... prctl resumed>) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5956] setpgid(0, 0 [pid 5955] <... prctl resumed>) = 0 [pid 5953] +++ exited with 0 +++ [pid 5952] <... close resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5957 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... setpgid resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5955] setpgid(0, 0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5957] <... prctl resumed>) = 0 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] <... setpgid resumed>) = 0 [pid 5957] setpgid(0, 0 [pid 5956] <... openat resumed>) = 3 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] <... setpgid resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5956] write(3, "1000", 4 [pid 5954] <... write resumed>) = 524288 [pid 5955] <... openat resumed>) = 3 [pid 5955] write(3, "1000", 4 [pid 5956] <... write resumed>) = 4 [pid 5955] <... write resumed>) = 4 [pid 5954] munmap(0x7f4090200000, 138412032 [pid 5957] <... openat resumed>) = 3 [pid 5956] close(3 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5957] write(3, "1000", 4 [pid 5956] <... close resumed>) = 0 [pid 5955] close(3 [pid 5954] <... munmap resumed>) = 0 [pid 5952] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5957] <... write resumed>) = 4 executing program [pid 5956] write(1, "executing program\n", 18 [pid 5955] <... close resumed>) = 0 [pid 5954] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5952] <... openat resumed>) = 3 [pid 5957] close(3executing program [pid 5956] <... write resumed>) = 18 [pid 5955] write(1, "executing program\n", 18 [pid 5954] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5952] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5957] <... close resumed>) = 0 [pid 5956] memfd_create("syzkaller", 0 [pid 5955] <... write resumed>) = 18 [pid 5952] <... ioctl resumed>) = 0 [pid 5954] close(3 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5957] write(1, "executing program\n", 18 [pid 5956] <... memfd_create resumed>) = 3 [pid 5955] memfd_create("syzkaller", 0 [pid 5952] exit_group(0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5957] <... write resumed>) = 18 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5955] <... memfd_create resumed>) = 3 [pid 5952] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5958 attached [pid 5957] memfd_create("syzkaller", 0 [pid 5956] <... mmap resumed>) = 0x7f4090200000 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5958 [pid 5958] set_robust_list(0x55556a297660, 24 [pid 5957] <... memfd_create resumed>) = 3 [pid 5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5954] <... close resumed>) = 0 [pid 5952] +++ exited with 0 +++ [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5955] <... mmap resumed>) = 0x7f4090200000 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... mmap resumed>) = 0x7f4090200000 [pid 5958] <... prctl resumed>) = 0 [pid 5957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5958] setpgid(0, 0 [pid 5954] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5958] <... setpgid resumed>) = 0 [pid 5954] <... openat resumed>) = 3 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5954] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5958] <... openat resumed>) = 3 executing program [pid 5958] write(3, "1000", 4 [pid 5954] <... ioctl resumed>) = 0 [pid 5958] <... write resumed>) = 4 [pid 5958] close(3) = 0 [pid 5958] write(1, "executing program\n", 18) = 18 [pid 5954] exit_group(0) = ? [pid 5958] memfd_create("syzkaller", 0 [pid 5954] +++ exited with 0 +++ [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5956] <... write resumed>) = 524288 [pid 5955] <... write resumed>) = 524288 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5958] <... memfd_create resumed>) = 3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5958] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 5959 attached [pid 5958] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5960 attached [pid 5959] set_robust_list(0x55556a297660, 24 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5959 [pid 5955] munmap(0x7f4090200000, 138412032 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5956] munmap(0x7f4090200000, 138412032 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5960 [pid 5960] set_robust_list(0x55556a297660, 24 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... munmap resumed>) = 0 [pid 5955] <... munmap resumed>) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] <... write resumed>) = 524288 [pid 5957] <... write resumed>) = 524288 [pid 5956] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5955] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] setpgid(0, 0 [pid 5955] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] <... prctl resumed>) = 0 [pid 5959] <... setpgid resumed>) = 0 [pid 5960] setpgid(0, 0) = 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] close(3 [pid 5956] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... openat resumed>) = 3 [pid 5958] munmap(0x7f4090200000, 138412032 [pid 5956] close(3 [pid 5958] <... munmap resumed>) = 0 [pid 5960] <... openat resumed>) = 3 [pid 5959] write(3, "1000", 4 [pid 5958] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5957] munmap(0x7f4090200000, 138412032 [pid 5956] <... close resumed>) = 0 [pid 5955] <... close resumed>) = 0 [pid 5960] write(3, "1000", 4 [pid 5959] <... write resumed>) = 4 [pid 5958] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5957] <... munmap resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5957] close(3executing program executing program [pid 5960] <... write resumed>) = 4 [pid 5959] close(3 [pid 5958] close(3 [pid 5957] <... close resumed>) = 0 [pid 5960] close(3 [pid 5959] <... close resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5960] <... close resumed>) = 0 [pid 5959] write(1, "executing program\n", 18 [pid 5960] write(1, "executing program\n", 18 [pid 5959] <... write resumed>) = 18 [pid 5955] <... openat resumed>) = 3 [pid 5960] <... write resumed>) = 18 [pid 5960] memfd_create("syzkaller", 0 [pid 5959] memfd_create("syzkaller", 0 [pid 5958] <... close resumed>) = 0 [pid 5955] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5960] <... memfd_create resumed>) = 3 [pid 5959] <... memfd_create resumed>) = 3 [pid 5956] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5955] <... ioctl resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f4090200000 [pid 5956] <... openat resumed>) = 3 [pid 5955] exit_group(0 [pid 5960] <... mmap resumed>) = 0x7f4090200000 [pid 5956] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5955] <... exit_group resumed>) = ? [pid 5956] <... ioctl resumed>) = 0 [pid 5957] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5956] exit_group(0 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... exit_group resumed>) = ? [pid 5959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5957] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5956] +++ exited with 0 +++ [pid 5958] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5957] <... ioctl resumed>) = 0 [pid 5958] <... openat resumed>) = 3 [pid 5957] exit_group(0 [pid 5958] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5957] <... exit_group resumed>) = ? [pid 5958] exit_group(0) = ? [pid 5960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5958] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5961 attached [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5961 [pid 5961] set_robust_list(0x55556a297660, 24 [pid 5960] <... write resumed>) = 524288 [pid 5959] <... write resumed>) = 524288 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5962 attached [pid 5961] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5963 attached [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5963] set_robust_list(0x55556a297660, 24 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5964 attached [pid 5963] <... set_robust_list resumed>) = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5963 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5962] set_robust_list(0x55556a297660, 24 [pid 5961] <... prctl resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5962 [pid 5960] munmap(0x7f4090200000, 138412032 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5964] set_robust_list(0x55556a297660, 24 [pid 5963] <... prctl resumed>) = 0 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5964 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] setpgid(0, 0 [pid 5962] <... prctl resumed>) = 0 [pid 5961] setpgid(0, 0 [pid 5960] <... munmap resumed>) = 0 [pid 5959] munmap(0x7f4090200000, 138412032 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... setpgid resumed>) = 0 [pid 5962] setpgid(0, 0 [pid 5961] <... setpgid resumed>) = 0 [pid 5960] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5959] <... munmap resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5962] <... setpgid resumed>) = 0 [pid 5964] <... prctl resumed>) = 0 [pid 5964] setpgid(0, 0 [pid 5963] <... openat resumed>) = 3 [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5960] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] <... setpgid resumed>) = 0 [pid 5959] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5960] close(3 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] write(3, "1000", 4 [pid 5962] <... openat resumed>) = 3 [pid 5964] <... openat resumed>) = 3 [pid 5963] <... write resumed>) = 4 [pid 5962] write(3, "1000", 4 [pid 5961] <... openat resumed>) = 3 [pid 5960] <... close resumed>) = 0 [pid 5959] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5964] write(3, "1000", 4 [pid 5963] close(3 [pid 5962] <... write resumed>) = 4 [pid 5961] write(3, "1000", 4 [pid 5960] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5959] close(3 executing program [pid 5964] <... write resumed>) = 4 [pid 5963] <... close resumed>) = 0 [pid 5962] close(3 [pid 5961] <... write resumed>) = 4 [pid 5960] <... openat resumed>) = 3 [pid 5959] <... close resumed>) = 0 [pid 5964] close(3 [pid 5963] write(1, "executing program\n", 18 [pid 5961] close(3 [pid 5963] <... write resumed>) = 18 [pid 5961] <... close resumed>) = 0 [pid 5962] <... close resumed>) = 0 [pid 5962] write(1, "executing program\n", 18 [pid 5961] write(1, "executing program\n", 18executing program executing program [pid 5962] <... write resumed>) = 18 [pid 5961] <... write resumed>) = 18 [pid 5961] memfd_create("syzkaller", 0 [pid 5962] memfd_create("syzkaller", 0 [pid 5963] memfd_create("syzkaller", 0 [pid 5962] <... memfd_create resumed>) = 3 [pid 5961] <... memfd_create resumed>) = 3 [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] <... mmap resumed>) = 0x7f4090200000 [pid 5962] <... mmap resumed>) = 0x7f4090200000 [pid 5962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5964] <... close resumed>) = 0 [pid 5963] <... memfd_create resumed>) = 3 [pid 5961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5960] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5959] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 5964] write(1, "executing program\n", 18 [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] <... write resumed>) = 524288 [pid 5960] <... ioctl resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5964] <... write resumed>) = 18 [pid 5963] <... mmap resumed>) = 0x7f4090200000 [pid 5959] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5961] <... write resumed>) = 524288 [pid 5962] munmap(0x7f4090200000, 138412032) = 0 [pid 5961] munmap(0x7f4090200000, 138412032 [pid 5963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5961] <... munmap resumed>) = 0 [pid 5959] exit_group(0 [pid 5964] memfd_create("syzkaller", 0 [pid 5960] exit_group(0 [pid 5962] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5960] <... exit_group resumed>) = ? [pid 5962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5962] close(3) = 0 [pid 5961] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5960] +++ exited with 0 +++ [pid 5959] <... exit_group resumed>) = ? [pid 5964] <... memfd_create resumed>) = 3 [pid 5961] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5961] close(3 [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] <... mmap resumed>) = 0x7f4090200000 [pid 5855] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5964] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5959] +++ exited with 0 +++ [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5962] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5961] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5962] <... openat resumed>) = 3 [pid 5961] <... openat resumed>) = 3 [pid 5961] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5961] exit_group(0 [pid 5847] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5965 attached [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5965 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5966 attached [pid 5965] set_robust_list(0x55556a297660, 24 [pid 5962] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5966 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5962] <... ioctl resumed>) = 0 [pid 5961] <... exit_group resumed>) = ? [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... write resumed>) = 524288 [pid 5965] <... prctl resumed>) = 0 [pid 5966] set_robust_list(0x55556a297660, 24 [pid 5965] setpgid(0, 0 [pid 5962] exit_group(0 [pid 5961] +++ exited with 0 +++ [pid 5963] munmap(0x7f4090200000, 138412032 [pid 5962] <... exit_group resumed>) = ? [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5965] <... setpgid resumed>) = 0 [pid 5963] <... munmap resumed>) = 0 [pid 5962] +++ exited with 0 +++ [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5966] <... set_robust_list resumed>) = 0 [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5966] <... prctl resumed>) = 0 [pid 5964] <... write resumed>) = 524288 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5966] setpgid(0, 0 [pid 5965] <... openat resumed>) = 3 [pid 5964] munmap(0x7f4090200000, 138412032 [pid 5963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5966] <... setpgid resumed>) = 0 [pid 5965] write(3, "1000", 4 [pid 5964] <... munmap resumed>) = 0 [pid 5963] close(3 [pid 5965] <... write resumed>) = 4 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5965] close(3 [pid 5963] <... close resumed>) = 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5965] <... close resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 5966] <... openat resumed>) = 3 [pid 5965] write(1, "executing program\n", 18 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] write(3, "1000", 4 [pid 5965] <... write resumed>) = 18 [pid 5964] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5965] memfd_create("syzkaller", 0 [pid 5964] close(3 [pid 5966] <... write resumed>) = 4 ./strace-static-x86_64: Process 5967 attached [pid 5966] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5967 ./strace-static-x86_64: Process 5968 attached [pid 5967] set_robust_list(0x55556a297660, 24 [pid 5966] <... close resumed>) = 0 [pid 5968] set_robust_list(0x55556a297660, 24 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] write(1, "executing program\n", 18executing program [pid 5965] <... memfd_create resumed>) = 3 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... write resumed>) = 18 [pid 5965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5964] <... close resumed>) = 0 [pid 5963] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] memfd_create("syzkaller", 0 [pid 5965] <... mmap resumed>) = 0x7f4090200000 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5968 [pid 5967] <... prctl resumed>) = 0 [pid 5968] <... prctl resumed>) = 0 [pid 5966] <... memfd_create resumed>) = 3 [pid 5967] setpgid(0, 0 [pid 5968] setpgid(0, 0 [pid 5967] <... setpgid resumed>) = 0 [pid 5966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5963] <... openat resumed>) = 3 [pid 5968] <... setpgid resumed>) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] <... mmap resumed>) = 0x7f4090200000 [pid 5964] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5964] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5964] exit_group(0 [pid 5963] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5964] <... exit_group resumed>) = ? [pid 5963] <... ioctl resumed>) = 0 [pid 5966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5967] <... openat resumed>) = 3 [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] write(3, "1000", 4 [pid 5968] <... openat resumed>) = 3 executing program [pid 5964] +++ exited with 0 +++ [pid 5967] <... write resumed>) = 4 [pid 5963] exit_group(0 [pid 5968] write(3, "1000", 4 [pid 5967] close(3 [pid 5963] <... exit_group resumed>) = ? [pid 5967] <... close resumed>) = 0 [pid 5968] <... write resumed>) = 4 [pid 5967] write(1, "executing program\n", 18) = 18 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5963] +++ exited with 0 +++ [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5967] memfd_create("syzkaller", 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5969 attached [pid 5968] close(3 [pid 5967] <... memfd_create resumed>) = 3 [pid 5966] <... write resumed>) = 524288 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5969 [pid 5968] <... close resumed>) = 0 [pid 5967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5966] munmap(0x7f4090200000, 138412032 [pid 5968] write(1, "executing program\n", 18 [pid 5967] <... mmap resumed>) = 0x7f4090200000 [pid 5969] set_robust_list(0x55556a297660, 24) = 0 [pid 5966] <... munmap resumed>) = 0 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] <... restart_syscall resumed>) = 0 [pid 5969] <... prctl resumed>) = 0 executing program [pid 5965] <... write resumed>) = 524288 [pid 5969] setpgid(0, 0 [pid 5968] <... write resumed>) = 18 [pid 5967] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5966] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5968] memfd_create("syzkaller", 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5968] <... memfd_create resumed>) = 3 [pid 5966] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... setpgid resumed>) = 0 [pid 5968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5966] close(3 [pid 5965] munmap(0x7f4090200000, 138412032 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5970 attached [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] <... mmap resumed>) = 0x7f4090200000 [pid 5965] <... munmap resumed>) = 0 [pid 5970] set_robust_list(0x55556a297660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5970 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] <... openat resumed>) = 3 [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5969] write(3, "1000", 4 [pid 5965] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5968] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5970] <... prctl resumed>) = 0 [pid 5969] <... write resumed>) = 4 [pid 5965] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5970] setpgid(0, 0 [pid 5969] close(3 [pid 5965] close(3 [pid 5969] <... close resumed>) = 0 executing program [pid 5970] <... setpgid resumed>) = 0 [pid 5969] write(1, "executing program\n", 18 [pid 5965] <... close resumed>) = 0 [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5969] <... write resumed>) = 18 [pid 5969] memfd_create("syzkaller", 0 [pid 5966] <... close resumed>) = 0 [pid 5969] <... memfd_create resumed>) = 3 [pid 5970] <... openat resumed>) = 3 [pid 5969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5967] <... write resumed>) = 524288 [pid 5970] write(3, "1000", 4 [pid 5969] <... mmap resumed>) = 0x7f4090200000 [pid 5970] <... write resumed>) = 4 [pid 5970] close(3 [pid 5969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5968] <... write resumed>) = 524288 [pid 5967] munmap(0x7f4090200000, 138412032 [pid 5966] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5970] <... close resumed>) = 0 executing program [pid 5970] write(1, "executing program\n", 18 [pid 5965] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5970] <... write resumed>) = 18 [pid 5965] <... openat resumed>) = 3 [pid 5970] memfd_create("syzkaller", 0 [pid 5966] <... openat resumed>) = 3 [pid 5965] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5966] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5965] <... ioctl resumed>) = 0 [pid 5970] <... memfd_create resumed>) = 3 [pid 5965] exit_group(0 [pid 5966] <... ioctl resumed>) = 0 [pid 5970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5966] exit_group(0 [pid 5965] <... exit_group resumed>) = ? [pid 5970] <... mmap resumed>) = 0x7f4090200000 [pid 5967] <... munmap resumed>) = 0 [pid 5965] +++ exited with 0 +++ [pid 5968] munmap(0x7f4090200000, 138412032 [pid 5966] <... exit_group resumed>) = ? [pid 5967] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5967] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5966] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5967] close(3 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5970] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5968] <... munmap resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... write resumed>) = 524288 [pid 5968] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5967] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5968] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5967] <... openat resumed>) = 3 [pid 5847] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5971 attached [pid 5968] close(3 [pid 5967] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5971 [pid 5967] <... ioctl resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5967] exit_group(0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5971] set_robust_list(0x55556a297660, 24 [pid 5967] <... exit_group resumed>) = ? [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] munmap(0x7f4090200000, 138412032) = 0 [pid 5969] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5967] +++ exited with 0 +++ [pid 5969] close(3./strace-static-x86_64: Process 5972 attached [pid 5970] <... write resumed>) = 524288 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5969] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5972] set_robust_list(0x55556a297660, 24) = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5972] setpgid(0, 0 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] munmap(0x7f4090200000, 138412032 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5972 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] <... setpgid resumed>) = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] <... prctl resumed>) = 0 [pid 5970] <... munmap resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5971] setpgid(0, 0 [pid 5970] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5969] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5968] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5972] write(3, "1000", 4 [pid 5971] <... setpgid resumed>) = 0 [pid 5970] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5969] <... openat resumed>) = 3 [pid 5968] <... openat resumed>) = 3 [pid 5972] <... write resumed>) = 4 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] close(3 [pid 5969] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] close(3 [pid 5969] <... ioctl resumed>) = 0 [pid 5968] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5972] <... close resumed>) = 0 executing program [pid 5972] write(1, "executing program\n", 18 [pid 5969] exit_group(0 [pid 5972] <... write resumed>) = 18 ./strace-static-x86_64: Process 5973 attached [pid 5973] set_robust_list(0x55556a297660, 24 [pid 5972] memfd_create("syzkaller", 0 [pid 5971] <... openat resumed>) = 3 [pid 5969] <... exit_group resumed>) = ? [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5973 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5968] <... ioctl resumed>) = 0 [pid 5972] <... memfd_create resumed>) = 3 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5971] write(3, "1000", 4 [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] <... mmap resumed>) = 0x7f4090200000 [pid 5971] <... write resumed>) = 4 [pid 5968] exit_group(0executing program [pid 5973] <... prctl resumed>) = 0 [pid 5972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5971] close(3 [pid 5970] <... close resumed>) = 0 [pid 5969] +++ exited with 0 +++ [pid 5968] <... exit_group resumed>) = ? [pid 5973] setpgid(0, 0 [pid 5971] <... close resumed>) = 0 [pid 5971] write(1, "executing program\n", 18) = 18 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5973] <... setpgid resumed>) = 0 [pid 5971] memfd_create("syzkaller", 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5974 attached [pid 5974] set_robust_list(0x55556a297660, 24 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5974 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5974] setpgid(0, 0) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] +++ exited with 0 +++ [pid 5974] <... openat resumed>) = 3 [pid 5973] <... openat resumed>) = 3 [pid 5971] <... memfd_create resumed>) = 3 [pid 5970] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5973] write(3, "1000", 4 [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5973] <... write resumed>) = 4 [pid 5970] <... openat resumed>) = 3 [pid 5971] <... mmap resumed>) = 0x7f4090200000 executing program [pid 5974] write(3, "1000", 4) = 4 [pid 5974] close(3) = 0 [pid 5974] write(1, "executing program\n", 18) = 18 [pid 5974] memfd_create("syzkaller", 0) = 3 [pid 5974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5973] close(3 [pid 5972] <... write resumed>) = 524288 [pid 5971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5970] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5974] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5973] <... close resumed>) = 0 [pid 5973] write(1, "executing program\n", 18 [pid 5970] <... ioctl resumed>) = 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5970] exit_group(0 [pid 5972] munmap(0x7f4090200000, 138412032) = 0 executing program ./strace-static-x86_64: Process 5975 attached [pid 5975] set_robust_list(0x55556a297660, 24 [pid 5974] <... write resumed>) = 524288 [pid 5973] <... write resumed>) = 18 [pid 5971] <... write resumed>) = 524288 [pid 5970] <... exit_group resumed>) = ? [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5975 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5973] memfd_create("syzkaller", 0 [pid 5972] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5972] close(3 [pid 5975] <... prctl resumed>) = 0 [pid 5973] <... memfd_create resumed>) = 3 [pid 5972] <... close resumed>) = 0 [pid 5970] +++ exited with 0 +++ [pid 5975] setpgid(0, 0 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5975] <... setpgid resumed>) = 0 [pid 5973] <... mmap resumed>) = 0x7f4090200000 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5976 attached [pid 5975] <... openat resumed>) = 3 [pid 5976] set_robust_list(0x55556a297660, 24 [pid 5975] write(3, "1000", 4) = 4 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] close(3 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5976 executing program [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] <... close resumed>) = 0 [pid 5976] <... prctl resumed>) = 0 [pid 5975] write(1, "executing program\n", 18) = 18 [pid 5976] setpgid(0, 0 [pid 5975] memfd_create("syzkaller", 0 [pid 5976] <... setpgid resumed>) = 0 [pid 5975] <... memfd_create resumed>) = 3 [pid 5974] munmap(0x7f4090200000, 138412032 [pid 5972] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5974] <... munmap resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 5971] munmap(0x7f4090200000, 138412032 [pid 5975] <... mmap resumed>) = 0x7f4090200000 [pid 5974] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5972] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5974] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5972] <... ioctl resumed>) = 0 [pid 5974] close(3 [pid 5972] exit_group(0) = ? [pid 5971] <... munmap resumed>) = 0 [pid 5972] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5976] <... openat resumed>) = 3 [pid 5971] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5847] <... restart_syscall resumed>) = 0 [pid 5971] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] write(3, "1000", 4 [pid 5971] close(3 [pid 5974] <... close resumed>) = 0 executing program [pid 5976] <... write resumed>) = 4 [pid 5975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5974] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5976] close(3 [pid 5974] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5976] <... close resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] write(1, "executing program\n", 18) = 18 [pid 5974] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5976] memfd_create("syzkaller", 0 [pid 5974] exit_group(0) = ? ./strace-static-x86_64: Process 5977 attached [pid 5976] <... memfd_create resumed>) = 3 [pid 5974] +++ exited with 0 +++ [pid 5973] <... write resumed>) = 524288 [pid 5971] <... close resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5977] set_robust_list(0x55556a297660, 24 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5977] <... set_robust_list resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5978 attached [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5973] munmap(0x7f4090200000, 138412032 [pid 5971] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5977 [pid 5978] set_robust_list(0x55556a297660, 24 [pid 5975] <... write resumed>) = 524288 [pid 5971] <... openat resumed>) = 3 [pid 5971] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5973] <... munmap resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5978 [pid 5976] <... mmap resumed>) = 0x7f4090200000 [pid 5975] munmap(0x7f4090200000, 138412032 [pid 5971] <... ioctl resumed>) = 0 [pid 5973] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] <... prctl resumed>) = 0 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] setpgid(0, 0 [pid 5978] <... prctl resumed>) = 0 [pid 5977] <... setpgid resumed>) = 0 [pid 5978] setpgid(0, 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5971] exit_group(0 [pid 5973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5978] <... setpgid resumed>) = 0 [pid 5977] <... openat resumed>) = 3 [pid 5975] <... munmap resumed>) = 0 [pid 5973] close(3 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] write(3, "1000", 4) = 4 [pid 5977] close(3executing program [pid 5978] <... openat resumed>) = 3 [pid 5977] <... close resumed>) = 0 [pid 5977] write(1, "executing program\n", 18 [pid 5978] write(3, "1000", 4 [pid 5977] <... write resumed>) = 18 [pid 5978] <... write resumed>) = 4 [pid 5977] memfd_create("syzkaller", 0 [pid 5975] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5971] <... exit_group resumed>) = ? [pid 5978] close(3 [pid 5977] <... memfd_create resumed>) = 3 [pid 5978] <... close resumed>) = 0 [pid 5977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 5978] write(1, "executing program\n", 18 [pid 5977] <... mmap resumed>) = 0x7f4090200000 [pid 5978] <... write resumed>) = 18 [pid 5976] <... write resumed>) = 524288 [pid 5975] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5973] <... close resumed>) = 0 [pid 5971] +++ exited with 0 +++ [pid 5978] memfd_create("syzkaller", 0 [pid 5976] munmap(0x7f4090200000, 138412032 [pid 5975] close(3 [pid 5973] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5976] <... munmap resumed>) = 0 [pid 5975] <... close resumed>) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5976] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5973] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5976] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5978] <... memfd_create resumed>) = 3 [pid 5977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5976] close(3 [pid 5975] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5973] <... ioctl resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5976] <... close resumed>) = 0 [pid 5973] exit_group(0 [pid 5978] <... mmap resumed>) = 0x7f4090200000 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5975] <... openat resumed>) = 3 [pid 5973] <... exit_group resumed>) = ? [pid 5975] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5973] +++ exited with 0 +++ [pid 5975] <... ioctl resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5978] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5975] exit_group(0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 5975] <... exit_group resumed>) = ? [pid 5975] +++ exited with 0 +++ [pid 5977] <... write resumed>) = 524288 [pid 5976] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5976] <... openat resumed>) = 3 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5976] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5976] exit_group(0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5976] <... exit_group resumed>) = ? [pid 5977] munmap(0x7f4090200000, 138412032 [pid 5976] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5977] <... munmap resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] <... restart_syscall resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5979 attached [pid 5977] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5979] set_robust_list(0x55556a297660, 24 [pid 5977] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... restart_syscall resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5980 ./strace-static-x86_64: Process 5980 attached [pid 5979] <... set_robust_list resumed>) = 0 [pid 5977] close(3 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5979 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] set_robust_list(0x55556a297660, 24 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] <... prctl resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5981 attached [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] setpgid(0, 0 [pid 5978] <... write resumed>) = 524288 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5979] <... setpgid resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5981] set_robust_list(0x55556a297660, 24 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] <... openat resumed>) = 3 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5981 [pid 5981] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5982 attached [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] <... prctl resumed>) = 0 [pid 5979] write(3, "1000", 4) = 4 [pid 5980] setpgid(0, 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5982 [pid 5980] <... setpgid resumed>) = 0 [pid 5979] close(3 [pid 5981] <... prctl resumed>) = 0 [pid 5979] <... close resumed>) = 0 [pid 5981] setpgid(0, 0 [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5979] write(1, "executing program\n", 18 [pid 5982] set_robust_list(0x55556a297660, 24 [pid 5981] <... setpgid resumed>) = 0 [pid 5979] <... write resumed>) = 18 [pid 5977] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] memfd_create("syzkaller", 0 [pid 5978] munmap(0x7f4090200000, 138412032 [pid 5981] <... openat resumed>) = 3 [pid 5980] <... openat resumed>) = 3 [pid 5979] <... memfd_create resumed>) = 3 [pid 5977] <... openat resumed>) = 3 [pid 5979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] write(3, "1000", 4 [pid 5979] <... mmap resumed>) = 0x7f4090200000 [pid 5977] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5982] <... prctl resumed>) = 0 [pid 5981] <... write resumed>) = 4 [pid 5980] write(3, "1000", 4 [pid 5979] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5978] <... munmap resumed>) = 0 [pid 5977] <... ioctl resumed>) = 0 [pid 5981] close(3executing program [pid 5982] setpgid(0, 0 [pid 5981] <... close resumed>) = 0 [pid 5981] write(1, "executing program\n", 18 [pid 5980] <... write resumed>) = 4 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] <... write resumed>) = 18 [pid 5980] close(3 [pid 5981] memfd_create("syzkaller", 0 [pid 5978] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... close resumed>) = 0 [pid 5978] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] write(1, "executing program\n", 18 [pid 5978] close(3 [pid 5977] exit_group(0) = ? [pid 5977] +++ exited with 0 +++ executing program [pid 5982] <... openat resumed>) = 3 [pid 5981] <... memfd_create resumed>) = 3 [pid 5980] <... write resumed>) = 18 [pid 5978] <... close resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5982] write(3, "1000", 4 [pid 5981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5980] memfd_create("syzkaller", 0 [pid 5979] <... write resumed>) = 524288 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5982] <... write resumed>) = 4 [pid 5980] <... memfd_create resumed>) = 3 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5982] close(3 [pid 5981] <... mmap resumed>) = 0x7f4090200000 [pid 5979] munmap(0x7f4090200000, 138412032 [pid 5978] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5982] <... close resumed>) = 0 [pid 5980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5979] <... munmap resumed>) = 0 [pid 5982] write(1, "executing program\n", 18 [pid 5980] <... mmap resumed>) = 0x7f4090200000 [pid 5979] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5978] <... openat resumed>) = 3 [pid 5982] <... write resumed>) = 18 [pid 5981] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5979] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5978] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5982] memfd_create("syzkaller", 0 [pid 5980] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5979] close(3 [pid 5978] <... ioctl resumed>) = 0 [pid 5982] <... memfd_create resumed>) = 3 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5979] <... close resumed>) = 0 [pid 5978] exit_group(0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 5983 attached [pid 5982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5981] <... write resumed>) = 524288 [pid 5980] <... write resumed>) = 524288 [pid 5979] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5978] <... exit_group resumed>) = ? [pid 5983] set_robust_list(0x55556a297660, 24 [pid 5981] munmap(0x7f4090200000, 138412032 [pid 5980] munmap(0x7f4090200000, 138412032 [pid 5979] <... openat resumed>) = 3 [pid 5978] +++ exited with 0 +++ [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5983 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5981] <... munmap resumed>) = 0 [pid 5980] <... munmap resumed>) = 0 [pid 5979] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5983] <... prctl resumed>) = 0 [pid 5983] setpgid(0, 0) = 0 [pid 5982] <... write resumed>) = 524288 [pid 5979] <... ioctl resumed>) = 0 [pid 5982] munmap(0x7f4090200000, 138412032 [pid 5981] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5980] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] exit_group(0 [pid 5983] <... openat resumed>) = 3 [pid 5979] <... exit_group resumed>) = ? [pid 5982] <... munmap resumed>) = 0 [pid 5981] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5980] close(3 [pid 5983] write(3, "1000", 4 [pid 5982] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5981] close(3 [pid 5979] +++ exited with 0 +++ [pid 5851] <... restart_syscall resumed>) = 0 [pid 5981] <... close resumed>) = 0 [pid 5983] <... write resumed>) = 4 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5983] close(3 [pid 5982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5981] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5980] <... close resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5982] close(3 [pid 5980] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5981] <... openat resumed>) = 3 [pid 5983] write(1, "executing program\n", 18 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5980] <... openat resumed>) = 3 [pid 5980] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 executing program [pid 5980] exit_group(0 [pid 5983] <... write resumed>) = 18 [pid 5982] <... close resumed>) = 0 [pid 5981] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5983] memfd_create("syzkaller", 0 [pid 5981] <... ioctl resumed>) = 0 [pid 5980] <... exit_group resumed>) = ? [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] openat(AT_FDCWD, "/dev/loop4", O_RDONLY./strace-static-x86_64: Process 5984 attached [pid 5983] <... memfd_create resumed>) = 3 [pid 5982] <... openat resumed>) = 3 [pid 5981] exit_group(0 [pid 5980] +++ exited with 0 +++ [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096./strace-static-x86_64: Process 5985 attached [pid 5984] set_robust_list(0x55556a297660, 24 [pid 5983] <... mmap resumed>) = 0x7f4090200000 [pid 5982] <... ioctl resumed>) = 0 [pid 5981] <... exit_group resumed>) = ? [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5984 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5985 [pid 5985] set_robust_list(0x55556a297660, 24 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5982] exit_group(0 [pid 5981] +++ exited with 0 +++ [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5985] <... prctl resumed>) = 0 [pid 5984] <... prctl resumed>) = 0 [pid 5982] <... exit_group resumed>) = ? [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] setpgid(0, 0 [pid 5984] setpgid(0, 0 [pid 5985] <... setpgid resumed>) = 0 [pid 5984] <... setpgid resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5986 attached [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] +++ exited with 0 +++ [pid 5848] <... restart_syscall resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5986] set_robust_list(0x55556a297660, 24 [pid 5985] <... openat resumed>) = 3 [pid 5984] <... openat resumed>) = 3 [pid 5983] <... write resumed>) = 524288 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5986 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] write(3, "1000", 4 [pid 5984] write(3, "1000", 4 [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... write resumed>) = 4 [pid 5984] <... write resumed>) = 4 [pid 5983] munmap(0x7f4090200000, 138412032 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5986] <... prctl resumed>) = 0 [pid 5985] close(3 [pid 5984] close(3 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] setpgid(0, 0 [pid 5985] <... close resumed>) = 0 [pid 5984] <... close resumed>) = 0 [pid 5986] <... setpgid resumed>) = 0 [pid 5985] write(1, "executing program\n", 18 [pid 5984] write(1, "executing program\n", 18 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... write resumed>) = 18 [pid 5984] <... write resumed>) = 18 [pid 5983] <... munmap resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] memfd_create("syzkaller", 0 [pid 5984] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5987 attached [pid 5986] <... openat resumed>) = 3 [pid 5985] <... memfd_create resumed>) = 3 [pid 5985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5984] <... memfd_create resumed>) = 3 [pid 5986] write(3, "1000", 4 [pid 5985] <... mmap resumed>) = 0x7f4090200000 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] <... write resumed>) = 4 [pid 5984] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 5988 attached [pid 5987] set_robust_list(0x55556a297660, 24 [pid 5986] close(3 [pid 5985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5983] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5988 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5988] set_robust_list(0x55556a297660, 24 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5986] <... close resumed>) = 0 [pid 5984] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5983] close(3 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5987 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5986] write(1, "executing program\n", 18 [pid 5985] <... write resumed>) = 524288 executing program [pid 5986] <... write resumed>) = 18 [pid 5986] memfd_create("syzkaller", 0) = 3 [pid 5985] munmap(0x7f4090200000, 138412032) = 0 [pid 5986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5987] <... prctl resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5984] <... write resumed>) = 524288 [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] setpgid(0, 0 [pid 5985] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5985] close(3 [pid 5988] <... prctl resumed>) = 0 [pid 5987] <... setpgid resumed>) = 0 [pid 5986] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5984] munmap(0x7f4090200000, 138412032 [pid 5983] <... close resumed>) = 0 [pid 5988] setpgid(0, 0 [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... close resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5988] <... setpgid resumed>) = 0 [pid 5987] <... openat resumed>) = 3 [pid 5985] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5983] <... openat resumed>) = 3 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] write(3, "1000", 4 [pid 5985] <... openat resumed>) = 3 [pid 5983] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5988] <... openat resumed>) = 3 [pid 5987] <... write resumed>) = 4 [pid 5985] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5984] <... munmap resumed>) = 0 [pid 5983] <... ioctl resumed>) = 0 [pid 5988] write(3, "1000", 4 [pid 5987] close(3 [pid 5985] <... ioctl resumed>) = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5983] exit_group(0 [pid 5988] <... write resumed>) = 4 [pid 5987] <... close resumed>) = 0 [pid 5985] exit_group(0executing program [pid 5983] <... exit_group resumed>) = ? [pid 5988] close(3 [pid 5987] write(1, "executing program\n", 18 [pid 5985] <... exit_group resumed>) = ? [pid 5984] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5987] <... write resumed>) = 18 [pid 5988] <... close resumed>) = 0 executing program [pid 5988] write(1, "executing program\n", 18 [pid 5987] memfd_create("syzkaller", 0 [pid 5984] close(3 [pid 5988] <... write resumed>) = 18 [pid 5983] +++ exited with 0 +++ [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5986] <... write resumed>) = 524288 [pid 5988] memfd_create("syzkaller", 0 [pid 5987] <... memfd_create resumed>) = 3 [pid 5986] munmap(0x7f4090200000, 138412032 [pid 5985] +++ exited with 0 +++ [pid 5984] <... close resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5988] <... memfd_create resumed>) = 3 [pid 5987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5987] <... mmap resumed>) = 0x7f4090200000 [pid 5986] <... munmap resumed>) = 0 [pid 5984] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5988] <... mmap resumed>) = 0x7f4090200000 [pid 5987] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5986] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5984] <... openat resumed>) = 3 [pid 5988] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5987] <... write resumed>) = 524288 [pid 5986] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5988] munmap(0x7f4090200000, 138412032 [pid 5987] munmap(0x7f4090200000, 138412032 [pid 5986] close(3 [pid 5984] <... ioctl resumed>) = 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5988] <... munmap resumed>) = 0 [pid 5984] exit_group(0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5987] <... munmap resumed>) = 0 [pid 5984] <... exit_group resumed>) = ? [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5990 attached ./strace-static-x86_64: Process 5989 attached [pid 5988] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5990] set_robust_list(0x55556a297660, 24 [pid 5988] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5984] +++ exited with 0 +++ [pid 5988] close(3 [pid 5987] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] set_robust_list(0x55556a297660, 24 [pid 5987] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5986] <... close resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] <... set_robust_list resumed>) = 0 [pid 5987] close(3 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] <... prctl resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5987] <... close resumed>) = 0 [pid 5986] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5855] <... restart_syscall resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5990 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5989 [pid 5990] <... prctl resumed>) = 0 [pid 5989] setpgid(0, 0 [pid 5987] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5989] <... setpgid resumed>) = 0 [pid 5987] <... openat resumed>) = 3 [pid 5986] <... openat resumed>) = 3 [pid 5990] setpgid(0, 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5987] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5990] <... setpgid resumed>) = 0 [pid 5989] <... openat resumed>) = 3 [pid 5988] <... openat resumed>) = 3 [pid 5987] <... ioctl resumed>) = 0 [pid 5986] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5989] write(3, "1000", 4 [pid 5987] exit_group(0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] <... write resumed>) = 4 [pid 5988] <... ioctl resumed>) = 0 [pid 5987] <... exit_group resumed>) = ? [pid 5986] <... ioctl resumed>) = 0 [pid 5989] close(3 [pid 5990] <... openat resumed>) = 3 [pid 5989] <... close resumed>) = 0 [pid 5988] exit_group(0 [pid 5986] exit_group(0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5990] write(3, "1000", 4 [pid 5989] write(1, "executing program\n", 18 [pid 5988] <... exit_group resumed>) = ? [pid 5987] +++ exited with 0 +++ [pid 5986] <... exit_group resumed>) = ? [pid 5989] <... write resumed>) = 18 [pid 5989] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5991 attached [pid 5990] <... write resumed>) = 4 [pid 5988] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5991] set_robust_list(0x55556a297660, 24 [pid 5990] close(3 [pid 5989] <... memfd_create resumed>) = 3 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5991 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] <... close resumed>) = 0 [pid 5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5990] write(1, "executing program\n", 18 [pid 5989] <... mmap resumed>) = 0x7f4090200000 [pid 5848] restart_syscall(<... resuming interrupted clone ...>executing program [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] <... write resumed>) = 18 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5991] <... prctl resumed>) = 0 [pid 5990] memfd_create("syzkaller", 0 [pid 5989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5991] setpgid(0, 0 [pid 5990] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5992 attached [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5994 attached ./strace-static-x86_64: Process 5993 attached [pid 5992] set_robust_list(0x55556a297660, 24 [pid 5990] <... mmap resumed>) = 0x7f4090200000 [pid 5993] set_robust_list(0x55556a297660, 24 [pid 5992] <... set_robust_list resumed>) = 0 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] set_robust_list(0x55556a297660, 24 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] <... prctl resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5990] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5989] <... write resumed>) = 524288 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 5992 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5993 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5994 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] setpgid(0, 0 [pid 5991] <... openat resumed>) = 3 [pid 5989] munmap(0x7f4090200000, 138412032 [pid 5993] <... prctl resumed>) = 0 [pid 5992] <... setpgid resumed>) = 0 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] setpgid(0, 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] write(3, "1000", 4 [pid 5989] <... munmap resumed>) = 0 [pid 5993] <... setpgid resumed>) = 0 [pid 5991] <... write resumed>) = 4 [pid 5991] close(3 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... openat resumed>) = 3 executing program [pid 5991] <... close resumed>) = 0 [pid 5994] <... prctl resumed>) = 0 [pid 5991] write(1, "executing program\n", 18) = 18 [pid 5994] setpgid(0, 0) = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] <... openat resumed>) = 3 [pid 5992] write(3, "1000", 4 [pid 5989] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5994] <... openat resumed>) = 3 [pid 5993] write(3, "1000", 4 [pid 5992] <... write resumed>) = 4 [pid 5991] memfd_create("syzkaller", 0 [pid 5989] close(3 [pid 5994] write(3, "1000", 4 [pid 5993] <... write resumed>) = 4 [pid 5992] close(3 [pid 5990] <... write resumed>) = 524288 [pid 5994] <... write resumed>) = 4 [pid 5994] close(3executing program ) = 0 [pid 5994] write(1, "executing program\n", 18) = 18 [pid 5991] <... memfd_create resumed>) = 3 [pid 5992] <... close resumed>) = 0 executing program [pid 5994] memfd_create("syzkaller", 0 [pid 5993] close(3 [pid 5992] write(1, "executing program\n", 18 [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5993] <... close resumed>) = 0 [pid 5992] <... write resumed>) = 18 [pid 5991] <... mmap resumed>) = 0x7f4090200000 [pid 5990] munmap(0x7f4090200000, 138412032 [pid 5989] <... close resumed>) = 0 [pid 5994] <... memfd_create resumed>) = 3 [pid 5993] write(1, "executing program\n", 18 [pid 5992] memfd_create("syzkaller", 0 [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7f4090200000 [pid 5993] <... write resumed>) = 18 [pid 5992] <... memfd_create resumed>) = 3 [pid 5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5990] <... munmap resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5993] memfd_create("syzkaller", 0 [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5990] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5989] <... openat resumed>) = 3 [pid 5993] <... memfd_create resumed>) = 3 [pid 5992] <... mmap resumed>) = 0x7f4090200000 [pid 5991] <... write resumed>) = 524288 [pid 5990] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5994] <... write resumed>) = 524288 [pid 5993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] munmap(0x7f4090200000, 138412032 [pid 5990] close(3 [pid 5989] <... ioctl resumed>) = 0 [pid 5993] <... mmap resumed>) = 0x7f4090200000 [pid 5991] <... munmap resumed>) = 0 [pid 5990] <... close resumed>) = 0 [pid 5989] exit_group(0 [pid 5994] munmap(0x7f4090200000, 138412032) = 0 [pid 5992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5991] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5989] <... exit_group resumed>) = ? [pid 5994] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5993] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5994] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5994] close(3) = 0 [pid 5991] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5989] +++ exited with 0 +++ [pid 5990] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5990] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5990] exit_group(0 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5990] <... exit_group resumed>) = ? [pid 5990] +++ exited with 0 +++ [pid 5847] <... restart_syscall resumed>) = 0 [pid 5992] <... write resumed>) = 524288 [pid 5991] close(3 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5994] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5995 attached [pid 5994] <... openat resumed>) = 3 [pid 5993] <... write resumed>) = 524288 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5995] set_robust_list(0x55556a297660, 24 [pid 5994] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] exit_group(0 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] <... exit_group resumed>) = ? [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 5995 [pid 5993] munmap(0x7f4090200000, 138412032 [pid 5992] munmap(0x7f4090200000, 138412032 [pid 5991] <... close resumed>) = 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] <... prctl resumed>) = 0 [pid 5994] +++ exited with 0 +++ [pid 5993] <... munmap resumed>) = 0 [pid 5992] <... munmap resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] setpgid(0, 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5996 attached [pid 5995] <... setpgid resumed>) = 0 [pid 5991] <... openat resumed>) = 3 [pid 5846] <... restart_syscall resumed>) = 0 [pid 5993] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5996] set_robust_list(0x55556a297660, 24 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5991] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 5996 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5993] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5992] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5991] <... ioctl resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] close(3 [pid 5992] close(3 [pid 5991] exit_group(0 [pid 5996] <... prctl resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5996] setpgid(0, 0) = 0 [pid 5991] <... exit_group resumed>) = ? [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5995] <... openat resumed>) = 3 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5996] <... openat resumed>) = 3 [pid 5995] write(3, "1000", 4 [pid 5991] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5996] write(3, "1000", 4 [pid 5993] <... close resumed>) = 0 ./strace-static-x86_64: Process 5997 attached [pid 5996] <... write resumed>) = 4 [pid 5995] <... write resumed>) = 4 [pid 5993] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program executing program [pid 5992] <... close resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 5997 [pid 5997] set_robust_list(0x55556a297660, 24 [pid 5996] close(3 [pid 5995] close(3 [pid 5993] <... openat resumed>) = 3 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... close resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5993] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5992] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5996] write(1, "executing program\n", 18 [pid 5995] write(1, "executing program\n", 18 [pid 5993] <... ioctl resumed>) = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] <... write resumed>) = 18 [pid 5995] <... write resumed>) = 18 [pid 5993] exit_group(0 [pid 5992] <... openat resumed>) = 3 [pid 5997] <... prctl resumed>) = 0 [pid 5996] memfd_create("syzkaller", 0 [pid 5995] memfd_create("syzkaller", 0 [pid 5993] <... exit_group resumed>) = ? [pid 5997] setpgid(0, 0 [pid 5996] <... memfd_create resumed>) = 3 [pid 5992] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5997] <... setpgid resumed>) = 0 [pid 5992] <... ioctl resumed>) = 0 [pid 5992] exit_group(0 [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5995] <... memfd_create resumed>) = 3 [pid 5993] +++ exited with 0 +++ [pid 5997] <... openat resumed>) = 3 [pid 5996] <... mmap resumed>) = 0x7f4090200000 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5992] <... exit_group resumed>) = ? [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5995] <... mmap resumed>) = 0x7f4090200000 [pid 5997] write(3, "1000", 4) = 4 [pid 5992] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5997] close(3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5997] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5997] write(1, "executing program\n", 18./strace-static-x86_64: Process 5999 attached executing program ./strace-static-x86_64: Process 5998 attached ) = 18 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 5999 [pid 5999] set_robust_list(0x55556a297660, 24 [pid 5997] memfd_create("syzkaller", 0 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] set_robust_list(0x55556a297660, 24 [pid 5997] <... memfd_create resumed>) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 5998 [pid 5999] <... prctl resumed>) = 0 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5999] setpgid(0, 0 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] <... mmap resumed>) = 0x7f4090200000 [pid 5999] <... setpgid resumed>) = 0 [pid 5998] <... prctl resumed>) = 0 [pid 5996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5998] setpgid(0, 0 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] <... setpgid resumed>) = 0 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5997] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5998] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5999] <... openat resumed>) = 3 [pid 5998] write(3, "1000", 4 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] <... write resumed>) = 4 executing program [pid 5998] close(3 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5999] write(3, "1000", 4 [pid 5998] <... close resumed>) = 0 [pid 5999] <... write resumed>) = 4 [pid 5998] write(1, "executing program\n", 18) = 18 [pid 5998] memfd_create("syzkaller", 0 [pid 5999] close(3 [pid 5998] <... memfd_create resumed>) = 3 [pid 5998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6000 attached ) = 0x7f4090200000 [pid 6000] set_robust_list(0x55556a297660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6000 [pid 6000] <... set_robust_list resumed>) = 0 [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6000] setpgid(0, 0) = 0 [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5999] <... close resumed>) = 0 [pid 5996] <... write resumed>) = 524288 [pid 6000] write(3, "1000", 4) = 4 [pid 5999] write(1, "executing program\n", 18 [pid 6000] close(3executing program executing program ) = 0 [pid 5999] <... write resumed>) = 18 [pid 6000] write(1, "executing program\n", 18) = 18 [pid 6000] memfd_create("syzkaller", 0) = 3 [pid 5998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5997] <... write resumed>) = 524288 [pid 5999] memfd_create("syzkaller", 0 [pid 5997] munmap(0x7f4090200000, 138412032 [pid 5996] munmap(0x7f4090200000, 138412032 [pid 5995] <... write resumed>) = 524288 [pid 5999] <... memfd_create resumed>) = 3 [pid 5997] <... munmap resumed>) = 0 [pid 5999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5995] munmap(0x7f4090200000, 138412032 [pid 5996] <... munmap resumed>) = 0 [pid 5999] <... mmap resumed>) = 0x7f4090200000 [pid 5995] <... munmap resumed>) = 0 [pid 6000] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5999] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5998] <... write resumed>) = 524288 [pid 5997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5996] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5995] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5998] munmap(0x7f4090200000, 138412032) = 0 [pid 5997] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5995] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5997] close(3 [pid 5996] close(3 [pid 5995] close(3 [pid 6000] <... write resumed>) = 524288 [pid 5999] <... write resumed>) = 524288 [pid 5998] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6000] munmap(0x7f4090200000, 138412032 [pid 5999] munmap(0x7f4090200000, 138412032 [pid 5998] close(3 [pid 6000] <... munmap resumed>) = 0 [pid 5999] <... munmap resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 5996] <... close resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6000] close(3 [pid 5999] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5998] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5997] <... close resumed>) = 0 [pid 5996] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5995] <... close resumed>) = 0 [pid 5999] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5998] <... openat resumed>) = 3 [pid 5999] close(3 [pid 5996] <... openat resumed>) = 3 [pid 5997] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5995] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5997] <... openat resumed>) = 3 [pid 5997] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 5999] <... close resumed>) = 0 [pid 5997] exit_group(0) = ? [pid 5997] +++ exited with 0 +++ [pid 6000] <... close resumed>) = 0 [pid 5998] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5996] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5998] <... ioctl resumed>) = 0 [pid 5996] <... ioctl resumed>) = 0 [pid 5995] <... openat resumed>) = 3 [pid 6000] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5999] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6000] <... openat resumed>) = 3 [pid 5998] exit_group(0 [pid 5996] exit_group(0 [pid 5995] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5999] <... openat resumed>) = 3 [pid 6000] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5998] <... exit_group resumed>) = ? [pid 5996] <... exit_group resumed>) = ? [pid 5995] <... ioctl resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6000] <... ioctl resumed>) = 0 [pid 5999] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5998] +++ exited with 0 +++ [pid 5996] +++ exited with 0 +++ [pid 5995] exit_group(0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6000] exit_group(0 [pid 5999] <... ioctl resumed>) = 0 [pid 5995] <... exit_group resumed>) = ? [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] +++ exited with 0 +++ [pid 6000] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6001 attached [pid 5999] exit_group(0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6001] set_robust_list(0x55556a297660, 24) = 0 [pid 6000] +++ exited with 0 +++ [pid 5999] <... exit_group resumed>) = ? [pid 5847] <... restart_syscall resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6001 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6001] <... prctl resumed>) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6001] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6001] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6003 attached ./strace-static-x86_64: Process 6002 attached [pid 6001] write(3, "1000", 4 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6004 attached ./strace-static-x86_64: Process 6005 attached [pid 6003] set_robust_list(0x55556a297660, 24 [pid 6002] set_robust_list(0x55556a297660, 24 [pid 6001] <... write resumed>) = 4 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6005] set_robust_list(0x55556a297660, 24 [pid 6004] set_robust_list(0x55556a297660, 24 [pid 6003] <... set_robust_list resumed>) = 0 [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] close(3 [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6001] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6003 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6004 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6002 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6005 [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] write(1, "executing program\n", 18 [pid 6005] <... prctl resumed>) = 0 [pid 6001] <... write resumed>) = 18 [pid 6005] setpgid(0, 0 [pid 6001] memfd_create("syzkaller", 0) = 3 [pid 6005] <... setpgid resumed>) = 0 [pid 6001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] <... prctl resumed>) = 0 [pid 6002] <... prctl resumed>) = 0 [pid 6001] <... mmap resumed>) = 0x7f4090200000 [pid 6005] <... openat resumed>) = 3 [pid 6004] <... prctl resumed>) = 0 [pid 6003] setpgid(0, 0 [pid 6002] setpgid(0, 0 [pid 6001] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5848] <... restart_syscall resumed>) = 0 [pid 6003] <... setpgid resumed>) = 0 [pid 6002] <... setpgid resumed>) = 0 [pid 6005] write(3, "1000", 4 [pid 6004] setpgid(0, 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6005] <... write resumed>) = 4 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] <... openat resumed>) = 3 [pid 6005] close(3 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] <... openat resumed>) = 3 [pid 6001] <... write resumed>) = 524288 [pid 6005] <... close resumed>) = 0 [pid 6003] write(3, "1000", 4 [pid 6002] write(3, "1000", 4executing program [pid 6001] munmap(0x7f4090200000, 138412032 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6005] write(1, "executing program\n", 18 [pid 6003] <... write resumed>) = 4 [pid 6002] <... write resumed>) = 4 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6005] <... write resumed>) = 18 [pid 6003] close(3 [pid 6002] close(3 [pid 6005] memfd_create("syzkaller", 0 [pid 6004] <... openat resumed>) = 3 [pid 6003] <... close resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 6001] <... munmap resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6001] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6002] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 6006 attached [pid 6005] <... memfd_create resumed>) = 3 [pid 6004] write(3, "1000", 4 [pid 6003] write(1, "executing program\n", 18executing program [pid 6002] <... write resumed>) = 18 [pid 6006] set_robust_list(0x55556a297660, 24 [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6004] <... write resumed>) = 4 [pid 6003] <... write resumed>) = 18 [pid 6002] memfd_create("syzkaller", 0 [pid 6001] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6006 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6005] <... mmap resumed>) = 0x7f4090200000 [pid 6004] close(3 [pid 6003] memfd_create("syzkaller", 0 [pid 6002] <... memfd_create resumed>) = 3 [pid 6001] close(3 [pid 6004] <... close resumed>) = 0 [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6006] <... prctl resumed>) = 0 executing program [pid 6005] <... write resumed>) = 524288 [pid 6004] write(1, "executing program\n", 18 [pid 6003] <... memfd_create resumed>) = 3 [pid 6001] <... close resumed>) = 0 [pid 6006] setpgid(0, 0 [pid 6004] <... write resumed>) = 18 [pid 6006] <... setpgid resumed>) = 0 [pid 6005] munmap(0x7f4090200000, 138412032 [pid 6004] memfd_create("syzkaller", 0 [pid 6003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6001] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6005] <... munmap resumed>) = 0 [pid 6004] <... memfd_create resumed>) = 3 [pid 6001] <... openat resumed>) = 3 [pid 6003] <... mmap resumed>) = 0x7f4090200000 [pid 6006] <... openat resumed>) = 3 [pid 6004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6001] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6006] write(3, "1000", 4 [pid 6005] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6004] <... mmap resumed>) = 0x7f4090200000 [pid 6006] <... write resumed>) = 4 [pid 6005] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6003] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6001] <... ioctl resumed>) = 0 [pid 6006] close(3 [pid 6005] close(3 [pid 6002] <... write resumed>) = 524288 executing program [pid 6006] <... close resumed>) = 0 [pid 6001] exit_group(0 [pid 6006] write(1, "executing program\n", 18) = 18 [pid 6005] <... close resumed>) = 0 [pid 6001] <... exit_group resumed>) = ? [pid 6002] munmap(0x7f4090200000, 138412032 [pid 6006] memfd_create("syzkaller", 0 [pid 6002] <... munmap resumed>) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6002] close(3 [pid 6006] <... memfd_create resumed>) = 3 [pid 6004] <... write resumed>) = 524288 [pid 6001] +++ exited with 0 +++ [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6006] <... mmap resumed>) = 0x7f4090200000 [pid 6005] <... openat resumed>) = 3 [pid 6004] munmap(0x7f4090200000, 138412032 [pid 6003] <... write resumed>) = 524288 [pid 6002] <... close resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6005] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6003] munmap(0x7f4090200000, 138412032 [pid 6002] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6005] <... ioctl resumed>) = 0 [pid 6004] <... munmap resumed>) = 0 [pid 6003] <... munmap resumed>) = 0 [pid 6002] <... openat resumed>) = 3 [pid 6005] exit_group(0) = ? [pid 6005] +++ exited with 0 +++ [pid 6004] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6004] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6003] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6002] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6003] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6002] <... ioctl resumed>) = 0 [pid 6003] close(3 [pid 6002] exit_group(0 [pid 6004] close(3 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6007 attached [pid 6007] set_robust_list(0x55556a297660, 24) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] <... exit_group resumed>) = ? [pid 6007] <... prctl resumed>) = 0 [pid 6002] +++ exited with 0 +++ [pid 6007] setpgid(0, 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6007] <... setpgid resumed>) = 0 [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6007 [pid 6007] <... openat resumed>) = 3 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6007] write(3, "1000", 4 [pid 6003] <... close resumed>) = 0 ./strace-static-x86_64: Process 6008 attached [pid 6007] <... write resumed>) = 4 [pid 6004] <... close resumed>) = 0 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6008 [pid 6008] set_robust_list(0x55556a297660, 24 [pid 6007] close(3 [pid 6003] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] <... close resumed>) = 0 executing program [pid 6003] <... openat resumed>) = 3 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] write(1, "executing program\n", 18 [pid 6004] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6008] <... prctl resumed>) = 0 [pid 6007] <... write resumed>) = 18 [pid 6003] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6008] setpgid(0, 0 [pid 6007] memfd_create("syzkaller", 0 [pid 6006] <... write resumed>) = 524288 [pid 6004] <... openat resumed>) = 3 [pid 6003] <... ioctl resumed>) = 0 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6008] <... setpgid resumed>) = 0 [pid 6007] <... memfd_create resumed>) = 3 [pid 6006] munmap(0x7f4090200000, 138412032 [pid 6004] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6009 attached [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6006] <... munmap resumed>) = 0 [pid 6004] <... ioctl resumed>) = 0 [pid 6003] exit_group(0 [pid 6009] set_robust_list(0x55556a297660, 24 [pid 6007] <... mmap resumed>) = 0x7f4090200000 [pid 6006] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6004] exit_group(0 [pid 6003] <... exit_group resumed>) = ? [pid 6008] <... openat resumed>) = 3 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6009 [pid 6009] <... set_robust_list resumed>) = 0 [pid 6007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6006] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6004] <... exit_group resumed>) = ? [pid 6003] +++ exited with 0 +++ [pid 6008] write(3, "1000", 4 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6006] close(3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] <... write resumed>) = 4 [pid 6006] <... close resumed>) = 0 [pid 6004] +++ exited with 0 +++ [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6009] <... prctl resumed>) = 0 [pid 6008] close(3 [pid 6007] <... write resumed>) = 524288 [pid 6009] setpgid(0, 0 [pid 6008] <... close resumed>) = 0 [pid 6009] <... setpgid resumed>) = 0 [pid 6008] write(1, "executing program\n", 18 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] <... write resumed>) = 18 ./strace-static-x86_64: Process 6010 attached [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6010 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6008] memfd_create("syzkaller", 0 [pid 6010] set_robust_list(0x55556a297660, 24) = 0 [pid 6006] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6011 attached [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6006] exit_group(0 [pid 6011] set_robust_list(0x55556a297660, 24 [pid 6010] <... prctl resumed>) = 0 [pid 6009] <... openat resumed>) = 3 [pid 6008] <... memfd_create resumed>) = 3 [pid 6007] munmap(0x7f4090200000, 138412032 [pid 6006] <... exit_group resumed>) = ? [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6011 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] setpgid(0, 0 [pid 6009] write(3, "1000", 4 [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6007] <... munmap resumed>) = 0 [pid 6006] +++ exited with 0 +++ [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] <... setpgid resumed>) = 0 [pid 6009] <... write resumed>) = 4 [pid 6011] <... prctl resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] close(3 [pid 6008] <... mmap resumed>) = 0x7f4090200000 [pid 6007] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6011] setpgid(0, 0 [pid 6010] <... openat resumed>) = 3 [pid 6009] <... close resumed>) = 0 [pid 6008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6007] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6006, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6011] <... setpgid resumed>) = 0 [pid 6010] write(3, "1000", 4 [pid 6009] write(1, "executing program\n", 18 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6010] <... write resumed>) = 4 [pid 6009] <... write resumed>) = 18 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6010] close(3 [pid 6009] memfd_create("syzkaller", 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6007] close(3 [pid 6011] <... openat resumed>) = 3 [pid 6010] <... close resumed>) = 0 [pid 6009] <... memfd_create resumed>) = 3 [pid 6007] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] write(1, "executing program\n", 18 [pid 6009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6011] write(3, "1000", 4executing program ./strace-static-x86_64: Process 6012 attached executing program ) = 4 [pid 6010] <... write resumed>) = 18 [pid 6009] <... mmap resumed>) = 0x7f4090200000 [pid 6008] <... write resumed>) = 524288 [pid 6011] close(3) = 0 [pid 6010] memfd_create("syzkaller", 0 [pid 6011] write(1, "executing program\n", 18) = 18 [pid 6011] memfd_create("syzkaller", 0) = 3 [pid 6011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6007] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6011] <... mmap resumed>) = 0x7f4090200000 [pid 6007] <... openat resumed>) = 3 [pid 6012] set_robust_list(0x55556a297660, 24 [pid 6010] <... memfd_create resumed>) = 3 [pid 6009] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6007] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6008] munmap(0x7f4090200000, 138412032 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6012 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6007] <... ioctl resumed>) = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] exit_group(0) = ? [pid 6012] <... prctl resumed>) = 0 [pid 6010] <... mmap resumed>) = 0x7f4090200000 [pid 6008] <... munmap resumed>) = 0 [pid 6007] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6012] setpgid(0, 0 [pid 6011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6012] <... setpgid resumed>) = 0 [pid 6010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6009] <... write resumed>) = 524288 [pid 6008] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] munmap(0x7f4090200000, 138412032 [pid 6008] close(3 [pid 6012] <... openat resumed>) = 3 [pid 6009] <... munmap resumed>) = 0 [pid 6009] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6009] close(3 [pid 6012] write(3, "1000", 4 [pid 6009] <... close resumed>) = 0 [pid 6008] <... close resumed>) = 0 [pid 6012] <... write resumed>) = 4 [pid 6012] close(3) = 0 [pid 6010] <... write resumed>) = 524288 executing program [pid 6012] write(1, "executing program\n", 18 [pid 6011] <... write resumed>) = 524288 [pid 6009] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6008] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6010] munmap(0x7f4090200000, 138412032 [pid 6012] <... write resumed>) = 18 [pid 6011] munmap(0x7f4090200000, 138412032 [pid 6012] memfd_create("syzkaller", 0 [pid 6011] <... munmap resumed>) = 0 [pid 6009] <... openat resumed>) = 3 [pid 6008] <... openat resumed>) = 3 [pid 6012] <... memfd_create resumed>) = 3 [pid 6012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6010] <... munmap resumed>) = 0 [pid 6008] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6009] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6011] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6009] <... ioctl resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6009] exit_group(0) = ? [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6011] close(3 [pid 6010] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6008] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6013 attached [pid 6011] <... close resumed>) = 0 [pid 6010] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6008] exit_group(0 [pid 6010] close(3 [pid 6008] <... exit_group resumed>) = ? [pid 6013] set_robust_list(0x55556a297660, 24 [pid 6012] <... write resumed>) = 524288 [pid 6011] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6009] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6013 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] munmap(0x7f4090200000, 138412032 [pid 6011] <... openat resumed>) = 3 [pid 6013] <... prctl resumed>) = 0 [pid 6010] <... close resumed>) = 0 [pid 6012] <... munmap resumed>) = 0 [pid 6011] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6013] setpgid(0, 0 [pid 6010] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6010] <... openat resumed>) = 3 [pid 6011] <... ioctl resumed>) = 0 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6013] <... setpgid resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6011] exit_group(0 [pid 6010] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6012] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6011] <... exit_group resumed>) = ? [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] close(3 [pid 6010] <... ioctl resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6013] <... openat resumed>) = 3 [pid 6011] +++ exited with 0 +++ [pid 6010] exit_group(0 [pid 6013] write(3, "1000", 4./strace-static-x86_64: Process 6015 attached ./strace-static-x86_64: Process 6014 attached ) = 4 [pid 6012] <... close resumed>) = 0 [pid 6010] <... exit_group resumed>) = ? [pid 6015] set_robust_list(0x55556a297660, 24 [pid 6012] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6014 [pid 6014] set_robust_list(0x55556a297660, 24 [pid 6012] <... openat resumed>) = 3 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] close(3 [pid 6012] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6015 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] <... close resumed>) = 0 [pid 6012] <... ioctl resumed>) = 0 [pid 6010] +++ exited with 0 +++ executing program [pid 6013] write(1, "executing program\n", 18 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6015] <... prctl resumed>) = 0 [pid 6014] <... prctl resumed>) = 0 [pid 6013] <... write resumed>) = 18 [pid 6012] exit_group(0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6015] setpgid(0, 0 [pid 6014] setpgid(0, 0 [pid 6013] memfd_create("syzkaller", 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6015] <... setpgid resumed>) = 0 [pid 6014] <... setpgid resumed>) = 0 [pid 6012] <... exit_group resumed>) = ? [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] <... memfd_create resumed>) = 3 [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6015] <... openat resumed>) = 3 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] +++ exited with 0 +++ ./strace-static-x86_64: Process 6016 attached [pid 6015] write(3, "1000", 4 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6016] set_robust_list(0x55556a297660, 24 [pid 6014] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] <... write resumed>) = 4 [pid 6014] write(3, "1000", 4 [pid 6013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6016 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6014] <... write resumed>) = 4 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] close(3 executing program [pid 6016] <... prctl resumed>) = 0 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6015] <... close resumed>) = 0 [pid 6016] setpgid(0, 0 [pid 6015] write(1, "executing program\n", 18 [pid 6016] <... setpgid resumed>) = 0 [pid 5848] <... restart_syscall resumed>) = 0 [pid 6015] <... write resumed>) = 18 [pid 6014] close(3 [pid 6015] memfd_create("syzkaller", 0 [pid 6014] <... close resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6014] write(1, "executing program\n", 18) = 18 [pid 6014] memfd_create("syzkaller", 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6017 attached [pid 6016] <... openat resumed>) = 3 [pid 6015] <... memfd_create resumed>) = 3 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6013] <... write resumed>) = 524288 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6017] set_robust_list(0x55556a297660, 24 [pid 6016] write(3, "1000", 4 [pid 6015] <... mmap resumed>) = 0x7f4090200000 [pid 6014] <... mmap resumed>) = 0x7f4090200000 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6017] <... set_robust_list resumed>) = 0 [pid 6016] <... write resumed>) = 4 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] close(3 [pid 6015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6013] munmap(0x7f4090200000, 138412032 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6017] <... prctl resumed>) = 0 [pid 6016] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6017 [pid 6016] write(1, "executing program\n", 18executing program [pid 6017] setpgid(0, 0 [pid 6016] <... write resumed>) = 18 [pid 6016] memfd_create("syzkaller", 0 [pid 6017] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6018 attached [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6018 [pid 6016] <... memfd_create resumed>) = 3 [pid 6017] <... openat resumed>) = 3 [pid 6016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6013] <... munmap resumed>) = 0 [pid 6017] write(3, "1000", 4 [pid 6016] <... mmap resumed>) = 0x7f4090200000 [pid 6018] set_robust_list(0x55556a297660, 24 [pid 6017] <... write resumed>) = 4 [pid 6016] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6013] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6018] <... set_robust_list resumed>) = 0 [pid 6017] close(3) = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] write(1, "executing program\n", 18 [pid 6013] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6018] <... prctl resumed>) = 0 executing program [pid 6018] setpgid(0, 0 [pid 6017] <... write resumed>) = 18 [pid 6013] close(3 [pid 6018] <... setpgid resumed>) = 0 [pid 6015] <... write resumed>) = 524288 [pid 6017] memfd_create("syzkaller", 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] <... memfd_create resumed>) = 3 [pid 6017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6018] <... openat resumed>) = 3 [pid 6015] munmap(0x7f4090200000, 138412032 [pid 6018] write(3, "1000", 4 [pid 6017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6016] <... write resumed>) = 524288 [pid 6014] <... write resumed>) = 524288 [pid 6013] <... close resumed>) = 0 [pid 6018] <... write resumed>) = 4 [pid 6018] close(3 [pid 6016] munmap(0x7f4090200000, 138412032 [pid 6015] <... munmap resumed>) = 0 [pid 6013] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6018] <... close resumed>) = 0 executing program [pid 6018] write(1, "executing program\n", 18 [pid 6016] <... munmap resumed>) = 0 [pid 6015] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6014] munmap(0x7f4090200000, 138412032 [pid 6013] <... openat resumed>) = 3 [pid 6018] <... write resumed>) = 18 [pid 6018] memfd_create("syzkaller", 0 [pid 6015] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6018] <... memfd_create resumed>) = 3 [pid 6013] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6017] <... write resumed>) = 524288 [pid 6016] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6015] close(3 [pid 6014] <... munmap resumed>) = 0 [pid 6013] <... ioctl resumed>) = 0 [pid 6017] munmap(0x7f4090200000, 138412032 [pid 6016] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6017] <... munmap resumed>) = 0 [pid 6016] close(3 [pid 6018] <... mmap resumed>) = 0x7f4090200000 [pid 6017] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6015] <... close resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6013] exit_group(0) = ? [pid 6014] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6016] <... close resumed>) = 0 [pid 6016] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6017] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6016] <... openat resumed>) = 3 [pid 6015] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6014] close(3 [pid 6013] +++ exited with 0 +++ [pid 6017] close(3 [pid 6016] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6015] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6017] <... close resumed>) = 0 [pid 6016] <... ioctl resumed>) = 0 [pid 6015] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6014] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6019 attached [pid 6018] <... write resumed>) = 524288 [pid 6017] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6016] exit_group(0 [pid 6015] <... ioctl resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6019 [pid 6019] set_robust_list(0x55556a297660, 24 [pid 6018] munmap(0x7f4090200000, 138412032 [pid 6017] <... openat resumed>) = 3 [pid 6016] <... exit_group resumed>) = ? [pid 6015] exit_group(0 [pid 6014] <... openat resumed>) = 3 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6018] <... munmap resumed>) = 0 [pid 6015] <... exit_group resumed>) = ? [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6017] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6014] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6019] <... prctl resumed>) = 0 [pid 6018] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6019] setpgid(0, 0) = 0 [pid 6018] close(3 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] <... ioctl resumed>) = 0 [pid 6016] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 6014] <... ioctl resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6019] <... openat resumed>) = 3 [pid 6018] <... close resumed>) = 0 [pid 6017] exit_group(0 [pid 6014] exit_group(0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 6018] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6017] <... exit_group resumed>) = ? [pid 6019] write(3, "1000", 4 [pid 6014] <... exit_group resumed>) = ? [pid 6019] <... write resumed>) = 4 [pid 6018] <... openat resumed>) = 3 [pid 6017] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 6019] close(3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6019] <... close resumed>) = 0 [pid 6019] write(1, "executing program\n", 18) = 18 [pid 6019] memfd_create("syzkaller", 0 [pid 6018] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6018] <... ioctl resumed>) = 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6018] exit_group(0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6019] <... memfd_create resumed>) = 3 [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 ./strace-static-x86_64: Process 6020 attached [pid 6018] <... exit_group resumed>) = ? [pid 6018] +++ exited with 0 +++ [pid 6020] set_robust_list(0x55556a297660, 24 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6020 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6020] setpgid(0, 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] <... setpgid resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] <... write resumed>) = 524288 [pid 5848] <... restart_syscall resumed>) = 0 [pid 6019] munmap(0x7f4090200000, 138412032) = 0 [pid 6019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6019] close(3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6020] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6022 attached ./strace-static-x86_64: Process 6021 attached [pid 6019] <... close resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6021 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6023 attached [pid 6022] set_robust_list(0x55556a297660, 24 [pid 6021] set_robust_list(0x55556a297660, 24 [pid 6019] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6022] <... set_robust_list resumed>) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6019] <... openat resumed>) = 3 [pid 6023] set_robust_list(0x55556a297660, 24 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6020] write(3, "1000", 4 [pid 6019] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6022 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6024 attached [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] <... prctl resumed>) = 0 [pid 6021] <... prctl resumed>) = 0 [pid 6020] <... write resumed>) = 4 [pid 6019] <... ioctl resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6023 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] setpgid(0, 0 [pid 6021] setpgid(0, 0 [pid 6020] close(3 [pid 6019] exit_group(0 [pid 6024] set_robust_list(0x55556a297660, 24 [pid 6023] <... prctl resumed>) = 0 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6022] <... setpgid resumed>) = 0 [pid 6021] <... setpgid resumed>) = 0 [pid 6020] <... close resumed>) = 0 [pid 6019] <... exit_group resumed>) = ? [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6024 [pid 6023] setpgid(0, 0executing program [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6020] write(1, "executing program\n", 18 [pid 6023] <... setpgid resumed>) = 0 [pid 6020] <... write resumed>) = 18 [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... openat resumed>) = 3 [pid 6021] <... openat resumed>) = 3 [pid 6020] memfd_create("syzkaller", 0 [pid 6019] +++ exited with 0 +++ [pid 6024] <... prctl resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6022] write(3, "1000", 4 [pid 6021] write(3, "1000", 4 [pid 6020] <... memfd_create resumed>) = 3 [pid 6024] setpgid(0, 0 [pid 6023] write(3, "1000", 4 [pid 6022] <... write resumed>) = 4 [pid 6021] <... write resumed>) = 4 [pid 6020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6024] <... setpgid resumed>) = 0 [pid 6023] <... write resumed>) = 4 [pid 6022] close(3 [pid 6021] close(3 [pid 6020] <... mmap resumed>) = 0x7f4090200000 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] close(3 [pid 6022] <... close resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 6024] <... openat resumed>) = 3 executing program [pid 6023] <... close resumed>) = 0 [pid 6022] write(1, "executing program\n", 18executing program [pid 6021] write(1, "executing program\n", 18 [pid 6024] write(3, "1000", 4 [pid 6023] write(1, "executing program\n", 18 [pid 6022] <... write resumed>) = 18 executing program [pid 6021] <... write resumed>) = 18 [pid 6020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6024] <... write resumed>) = 4 [pid 6023] <... write resumed>) = 18 [pid 6022] memfd_create("syzkaller", 0 [pid 6021] memfd_create("syzkaller", 0 [pid 6024] close(3 [pid 6023] memfd_create("syzkaller", 0 [pid 6022] <... memfd_create resumed>) = 3 [pid 6021] <... memfd_create resumed>) = 3 [pid 6024] <... close resumed>) = 0 [pid 6022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 6024] write(1, "executing program\n", 18 [pid 6023] <... memfd_create resumed>) = 3 [pid 6022] <... mmap resumed>) = 0x7f4090200000 [pid 6021] <... mmap resumed>) = 0x7f4090200000 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6024] <... write resumed>) = 18 [pid 6023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6024] memfd_create("syzkaller", 0 [pid 6023] <... mmap resumed>) = 0x7f4090200000 [pid 6022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6020] <... write resumed>) = 524288 [pid 6024] <... memfd_create resumed>) = 3 [pid 6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6022] <... write resumed>) = 524288 [pid 6020] munmap(0x7f4090200000, 138412032 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6024] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6023] <... write resumed>) = 524288 [pid 6022] munmap(0x7f4090200000, 138412032 [pid 6021] <... write resumed>) = 524288 [pid 6020] <... munmap resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6025 attached [pid 6023] munmap(0x7f4090200000, 138412032 [pid 6022] <... munmap resumed>) = 0 [pid 6021] munmap(0x7f4090200000, 138412032 [pid 6020] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6025] set_robust_list(0x55556a297660, 24 [pid 6022] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6021] <... munmap resumed>) = 0 [pid 6020] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6025 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6022] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6021] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... write resumed>) = 524288 [pid 6023] <... munmap resumed>) = 0 [pid 6022] close(3 [pid 6021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] <... close resumed>) = 0 [pid 6025] <... prctl resumed>) = 0 [pid 6024] munmap(0x7f4090200000, 138412032 [pid 6023] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6021] close(3 [pid 6025] setpgid(0, 0 [pid 6024] <... munmap resumed>) = 0 [pid 6023] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6022] <... close resumed>) = 0 [pid 6021] <... close resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6025] <... setpgid resumed>) = 0 [pid 6023] close(3 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6022] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6021] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6020] <... openat resumed>) = 3 [pid 6024] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6020] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6024] close(3 [pid 6020] <... ioctl resumed>) = 0 [pid 6023] <... close resumed>) = 0 [pid 6023] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 6025] <... openat resumed>) = 3 [pid 6024] <... close resumed>) = 0 [pid 6022] <... openat resumed>) = 3 [pid 6021] <... openat resumed>) = 3 [pid 6020] exit_group(0 [pid 6021] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6020] <... exit_group resumed>) = ? [pid 6021] <... ioctl resumed>) = 0 [pid 6025] write(3, "1000", 4 [pid 6023] <... openat resumed>) = 3 [pid 6025] <... write resumed>) = 4 [pid 6023] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6025] close(3 [pid 6023] <... ioctl resumed>) = 0 [pid 6025] <... close resumed>) = 0 [pid 6023] exit_group(0 [pid 6025] write(1, "executing program\n", 18) = 18 [pid 6023] <... exit_group resumed>) = ? [pid 6020] +++ exited with 0 +++ [pid 6025] memfd_create("syzkaller", 0 [pid 6024] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6022] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6021] exit_group(0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6024] <... openat resumed>) = 3 [pid 6022] <... ioctl resumed>) = 0 [pid 6021] <... exit_group resumed>) = ? [pid 6023] +++ exited with 0 +++ [pid 6025] <... memfd_create resumed>) = 3 [pid 6024] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6022] exit_group(0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6022] <... exit_group resumed>) = ? [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6024] <... ioctl resumed>) = 0 [pid 6022] +++ exited with 0 +++ [pid 6021] +++ exited with 0 +++ [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6024] exit_group(0) = ? [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6026 ./strace-static-x86_64: Process 6026 attached [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6026] set_robust_list(0x55556a297660, 24 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6026] <... set_robust_list resumed>) = 0 [pid 6025] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6024] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... restart_syscall resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6027 attached [pid 6026] <... prctl resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6026] setpgid(0, 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6028 attached [pid 6027] set_robust_list(0x55556a297660, 24 [pid 6026] <... setpgid resumed>) = 0 [pid 6028] set_robust_list(0x55556a297660, 24 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6027 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6028 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6029 ./strace-static-x86_64: Process 6029 attached [pid 6028] <... set_robust_list resumed>) = 0 [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6026] <... openat resumed>) = 3 [pid 6025] <... write resumed>) = 524288 [pid 6027] <... prctl resumed>) = 0 [pid 6025] munmap(0x7f4090200000, 138412032 [pid 6029] set_robust_list(0x55556a297660, 24 [pid 6027] setpgid(0, 0 [pid 6026] write(3, "1000", 4 [pid 6029] <... set_robust_list resumed>) = 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] <... setpgid resumed>) = 0 [pid 6026] <... write resumed>) = 4 [pid 6025] <... munmap resumed>) = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] <... prctl resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] close(3 [pid 6025] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6029] <... prctl resumed>) = 0 [pid 6028] setpgid(0, 0 [pid 6027] <... openat resumed>) = 3 [pid 6026] <... close resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6029] setpgid(0, 0) = 0 [pid 6028] <... setpgid resumed>) = 0 [pid 6027] write(3, "1000", 4 [pid 6026] write(1, "executing program\n", 18 [pid 6025] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... write resumed>) = 4 [pid 6027] close(3) = 0 executing program executing program [pid 6027] write(1, "executing program\n", 18 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6026] <... write resumed>) = 18 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] <... openat resumed>) = 3 [pid 6027] <... write resumed>) = 18 [pid 6025] close(3 [pid 6028] write(3, "1000", 4 [pid 6027] memfd_create("syzkaller", 0 [pid 6026] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6030 attached [pid 6029] <... openat resumed>) = 3 [pid 6028] <... write resumed>) = 4 [pid 6027] <... memfd_create resumed>) = 3 [pid 6025] <... close resumed>) = 0 [pid 6028] close(3 [pid 6027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6026] <... memfd_create resumed>) = 3 [pid 6030] set_robust_list(0x55556a297660, 24 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6030 [pid 6029] write(3, "1000", 4 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6029] <... write resumed>) = 4 [pid 6028] <... close resumed>) = 0 [pid 6027] <... mmap resumed>) = 0x7f4090200000 [pid 6026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] close(3executing program [pid 6028] write(1, "executing program\n", 18 [pid 6030] <... prctl resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6028] <... write resumed>) = 18 [pid 6026] <... mmap resumed>) = 0x7f4090200000 [pid 6025] <... openat resumed>) = 3 executing program [pid 6030] setpgid(0, 0 [pid 6028] memfd_create("syzkaller", 0 [pid 6027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6029] write(1, "executing program\n", 18 [pid 6028] <... memfd_create resumed>) = 3 [pid 6025] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6029] <... write resumed>) = 18 [pid 6030] <... setpgid resumed>) = 0 [pid 6029] memfd_create("syzkaller", 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... memfd_create resumed>) = 3 [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6030] <... openat resumed>) = 3 [pid 6029] <... mmap resumed>) = 0x7f4090200000 [pid 6030] write(3, "1000", 4 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6027] <... write resumed>) = 524288 [pid 6025] <... ioctl resumed>) = 0 [pid 6030] <... write resumed>) = 4 [pid 6026] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6028] <... mmap resumed>) = 0x7f4090200000 [pid 6030] close(3 [pid 6027] munmap(0x7f4090200000, 138412032 [pid 6025] exit_group(0 [pid 6030] <... close resumed>) = 0 [pid 6025] <... exit_group resumed>) = ? [pid 6030] write(1, "executing program\n", 18) = 18 [pid 6030] memfd_create("syzkaller", 0 [pid 6027] <... munmap resumed>) = 0 [pid 6030] <... memfd_create resumed>) = 3 [pid 6030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6025] +++ exited with 0 +++ executing program [pid 6030] <... mmap resumed>) = 0x7f4090200000 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6027] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6027] close(3 [pid 6026] <... write resumed>) = 524288 [pid 6030] <... write resumed>) = 524288 [pid 6029] <... write resumed>) = 524288 [pid 6028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6027] <... close resumed>) = 0 [pid 6026] munmap(0x7f4090200000, 138412032 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6030] munmap(0x7f4090200000, 138412032 [pid 6026] <... munmap resumed>) = 0 [pid 6030] <... munmap resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6030] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6029] munmap(0x7f4090200000, 138412032 [pid 6027] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6026] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6031 attached [pid 6030] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6026] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6030] close(3 [pid 6031] set_robust_list(0x55556a297660, 24 [pid 6029] <... munmap resumed>) = 0 [pid 6028] <... write resumed>) = 524288 [pid 6027] <... openat resumed>) = 3 [pid 6026] close(3 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6031 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6027] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] <... close resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6028] munmap(0x7f4090200000, 138412032 [pid 6027] <... ioctl resumed>) = 0 [pid 6031] <... prctl resumed>) = 0 [pid 6031] setpgid(0, 0 [pid 6030] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6029] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6027] exit_group(0 [pid 6031] <... setpgid resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 6029] close(3 [pid 6028] <... munmap resumed>) = 0 [pid 6030] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6030] <... ioctl resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6028] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6027] <... exit_group resumed>) = ? [pid 6026] <... close resumed>) = 0 [pid 6031] write(3, "1000", 4 [pid 6030] exit_group(0) = ? [pid 6027] +++ exited with 0 +++ [pid 6031] <... write resumed>) = 4 [pid 6030] +++ exited with 0 +++ [pid 6029] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6028] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6026] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6031] close(3 [pid 6028] close(3 [pid 6026] <... openat resumed>) = 3 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6031] <... close resumed>) = 0 [pid 6029] <... openat resumed>) = 3 [pid 6029] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 executing program [pid 6031] write(1, "executing program\n", 18 [pid 6028] <... close resumed>) = 0 [pid 6026] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 6031] <... write resumed>) = 18 [pid 6028] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6031] memfd_create("syzkaller", 0 [pid 6029] exit_group(0 [pid 6028] <... openat resumed>) = 3 [pid 6026] <... ioctl resumed>) = 0 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6029] <... exit_group resumed>) = ? [pid 6028] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6026] exit_group(0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] <... memfd_create resumed>) = 3 [pid 6028] <... ioctl resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] exit_group(0 [pid 6026] <... exit_group resumed>) = ? [pid 6031] <... mmap resumed>) = 0x7f4090200000 [pid 6028] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6032 attached [pid 6029] +++ exited with 0 +++ [pid 6026] +++ exited with 0 +++ [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6032] set_robust_list(0x55556a297660, 24 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6032 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6032] <... set_robust_list resumed>) = 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6033 attached [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6033] set_robust_list(0x55556a297660, 24 [pid 6032] <... prctl resumed>) = 0 [pid 6032] setpgid(0, 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6033 [pid 6032] <... setpgid resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] <... openat resumed>) = 3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6034 attached [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] write(3, "1000", 4executing program [pid 6034] set_robust_list(0x55556a297660, 24 [pid 6032] <... write resumed>) = 4 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6032] close(3 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] <... close resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6034 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] <... prctl resumed>) = 0 [pid 6032] write(1, "executing program\n", 18 [pid 6034] setpgid(0, 0 [pid 6032] <... write resumed>) = 18 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] <... setpgid resumed>) = 0 [pid 6033] <... prctl resumed>) = 0 [pid 6032] memfd_create("syzkaller", 0 [pid 6031] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6035 attached [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] <... memfd_create resumed>) = 3 [pid 6033] setpgid(0, 0 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] set_robust_list(0x55556a297660, 24 [pid 6033] <... setpgid resumed>) = 0 [pid 6032] <... mmap resumed>) = 0x7f4090200000 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] <... openat resumed>) = 3 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] munmap(0x7f4090200000, 138412032 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6035 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] write(3, "1000", 4 [pid 6033] <... openat resumed>) = 3 [pid 6032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] <... prctl resumed>) = 0 [pid 6034] <... write resumed>) = 4 [pid 6033] write(3, "1000", 4 [pid 6031] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6035] setpgid(0, 0 [pid 6034] close(3 [pid 6033] <... write resumed>) = 4 [pid 6031] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6036 [pid 6035] <... setpgid resumed>) = 0 [pid 6033] close(3 [pid 6031] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program executing program [pid 6036] set_robust_list(0x55556a297660, 24 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] <... close resumed>) = 0 [pid 6033] <... close resumed>) = 0 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] <... openat resumed>) = 3 [pid 6034] write(1, "executing program\n", 18 [pid 6033] write(1, "executing program\n", 18 [pid 6031] close(3 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] write(3, "1000", 4 [pid 6034] <... write resumed>) = 18 [pid 6033] <... write resumed>) = 18 [pid 6032] <... write resumed>) = 524288 [pid 6036] <... prctl resumed>) = 0 executing program [pid 6035] <... write resumed>) = 4 [pid 6034] memfd_create("syzkaller", 0 [pid 6036] setpgid(0, 0 [pid 6035] close(3 [pid 6033] memfd_create("syzkaller", 0 [pid 6036] <... setpgid resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6033] <... memfd_create resumed>) = 3 [pid 6035] write(1, "executing program\n", 18 [pid 6033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] <... write resumed>) = 18 [pid 6035] memfd_create("syzkaller", 0 [pid 6034] <... memfd_create resumed>) = 3 [pid 6033] <... mmap resumed>) = 0x7f4090200000 [pid 6032] munmap(0x7f4090200000, 138412032 [pid 6031] <... close resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... memfd_create resumed>) = 3 [pid 6034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] <... openat resumed>) = 3 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] <... mmap resumed>) = 0x7f4090200000 [pid 6035] <... mmap resumed>) = 0x7f4090200000 [pid 6033] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6036] write(3, "1000", 4 [pid 6032] <... munmap resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 6034] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6036] <... write resumed>) = 4 [pid 6031] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6036] close(3 [pid 6032] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6031] <... ioctl resumed>) = 0 [pid 6032] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6031] exit_group(0 [pid 6032] close(3 [pid 6036] <... close resumed>) = 0 [pid 6031] <... exit_group resumed>) = ? [pid 6034] <... write resumed>) = 524288 [pid 6036] write(1, "executing program\n", 18executing program [pid 6035] <... write resumed>) = 524288 [pid 6033] <... write resumed>) = 524288 [pid 6032] <... close resumed>) = 0 [pid 6031] +++ exited with 0 +++ [pid 6036] <... write resumed>) = 18 [pid 6035] munmap(0x7f4090200000, 138412032 [pid 6034] munmap(0x7f4090200000, 138412032 [pid 6033] munmap(0x7f4090200000, 138412032 [pid 6032] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6036] memfd_create("syzkaller", 0 [pid 6032] <... openat resumed>) = 3 [pid 6036] <... memfd_create resumed>) = 3 [pid 6032] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6035] <... munmap resumed>) = 0 [pid 6036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] <... munmap resumed>) = 0 [pid 6032] <... ioctl resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6036] <... mmap resumed>) = 0x7f4090200000 [pid 6035] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6033] <... munmap resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6035] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6034] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6033] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6032] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6035] close(3 [pid 6034] close(3 [pid 6033] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6032] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6037 attached [pid 6036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6035] <... close resumed>) = 0 [pid 6033] close(3 [pid 6032] +++ exited with 0 +++ [pid 6037] set_robust_list(0x55556a297660, 24) = 0 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6037 [pid 6037] <... prctl resumed>) = 0 [pid 6037] setpgid(0, 0 [pid 6034] <... close resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6037] <... setpgid resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6034] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6033] <... close resumed>) = 0 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6034] <... openat resumed>) = 3 [pid 5848] <... restart_syscall resumed>) = 0 [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6036] <... write resumed>) = 524288 [pid 6035] <... openat resumed>) = 3 [pid 6034] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6033] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6036] munmap(0x7f4090200000, 138412032 [pid 6035] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6034] <... ioctl resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6037] <... openat resumed>) = 3 [pid 6036] <... munmap resumed>) = 0 [pid 6035] <... ioctl resumed>) = 0 [pid 6034] exit_group(0 [pid 6033] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] write(3, "1000", 4 [pid 6035] exit_group(0 [pid 6034] <... exit_group resumed>) = ? [pid 6033] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6036] close(3./strace-static-x86_64: Process 6038 attached [pid 6037] <... write resumed>) = 4 [pid 6035] <... exit_group resumed>) = ? [pid 6034] +++ exited with 0 +++ [pid 6033] <... ioctl resumed>) = 0 [pid 6038] set_robust_list(0x55556a297660, 24 [pid 6033] exit_group(0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6038 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6033] <... exit_group resumed>) = ? [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] close(3 [pid 6035] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 6037] <... close resumed>) = 0 [pid 6038] <... prctl resumed>) = 0 executing program [pid 6037] write(1, "executing program\n", 18 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6038] setpgid(0, 0 [pid 6037] <... write resumed>) = 18 [pid 6036] <... close resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6038] <... setpgid resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6037] memfd_create("syzkaller", 0 [pid 6036] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] <... memfd_create resumed>) = 3 [pid 6036] <... openat resumed>) = 3 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6038] <... openat resumed>) = 3 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6039 attached [pid 6037] <... mmap resumed>) = 0x7f4090200000 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6039] set_robust_list(0x55556a297660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6039 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6040 attached [pid 6038] write(3, "1000", 4./strace-static-x86_64: Process 6041 attached [pid 6040] set_robust_list(0x55556a297660, 24 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6041] set_robust_list(0x55556a297660, 24 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6036] <... ioctl resumed>) = 0 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] <... prctl resumed>) = 0 [pid 6038] <... write resumed>) = 4 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6040 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6041 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... prctl resumed>) = 0 [pid 6039] setpgid(0, 0 [pid 6038] close(3 [pid 6036] exit_group(0 [pid 6041] <... prctl resumed>) = 0 [pid 6040] setpgid(0, 0 executing program [pid 6038] <... close resumed>) = 0 [pid 6036] <... exit_group resumed>) = ? [pid 6038] write(1, "executing program\n", 18 [pid 6041] setpgid(0, 0 [pid 6040] <... setpgid resumed>) = 0 [pid 6039] <... setpgid resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] <... write resumed>) = 18 [pid 6036] +++ exited with 0 +++ [pid 6040] <... openat resumed>) = 3 [pid 6039] <... openat resumed>) = 3 [pid 6041] <... openat resumed>) = 3 [pid 6040] write(3, "1000", 4 [pid 6038] memfd_create("syzkaller", 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6041] write(3, "1000", 4 [pid 6040] <... write resumed>) = 4 [pid 6039] write(3, "1000", 4 [pid 6037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6041] <... write resumed>) = 4 [pid 6040] close(3 [pid 6039] <... write resumed>) = 4 [pid 6038] <... memfd_create resumed>) = 3 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6040] <... close resumed>) = 0 [pid 6038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6041] close(3 [pid 6040] write(1, "executing program\n", 18 [pid 6039] close(3 [pid 6038] <... mmap resumed>) = 0x7f4090200000 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6041] <... close resumed>) = 0 [pid 6040] <... write resumed>) = 18 [pid 6039] <... close resumed>) = 0 [pid 6041] write(1, "executing program\n", 18executing program executing program ./strace-static-x86_64: Process 6042 attached ) = 18 [pid 6040] memfd_create("syzkaller", 0 [pid 6039] write(1, "executing program\n", 18 [pid 6037] <... write resumed>) = 524288 [pid 6042] set_robust_list(0x55556a297660, 24 [pid 6041] memfd_create("syzkaller", 0 [pid 6039] <... write resumed>) = 18 [pid 6037] munmap(0x7f4090200000, 138412032 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] <... memfd_create resumed>) = 3 [pid 6040] <... memfd_create resumed>) = 3 [pid 6039] memfd_create("syzkaller", 0 [pid 6037] <... munmap resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6042 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6039] <... memfd_create resumed>) = 3 [pid 6041] <... mmap resumed>) = 0x7f4090200000 [pid 6038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6042] <... prctl resumed>) = 0 [pid 6040] <... mmap resumed>) = 0x7f4090200000 [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6037] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6042] setpgid(0, 0 [pid 6039] <... mmap resumed>) = 0x7f4090200000 [pid 6037] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6038] <... write resumed>) = 524288 [pid 6042] <... setpgid resumed>) = 0 [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6037] close(3 [pid 6038] munmap(0x7f4090200000, 138412032) = 0 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6041] <... write resumed>) = 524288 [pid 6040] <... write resumed>) = 524288 [pid 6039] <... write resumed>) = 524288 [pid 6037] <... close resumed>) = 0 [pid 6040] munmap(0x7f4090200000, 138412032 [pid 6042] <... openat resumed>) = 3 [pid 6041] munmap(0x7f4090200000, 138412032 [pid 6039] munmap(0x7f4090200000, 138412032 [pid 6038] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6037] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6042] write(3, "1000", 4 [pid 6041] <... munmap resumed>) = 0 [pid 6040] <... munmap resumed>) = 0 [pid 6039] <... munmap resumed>) = 0 [pid 6038] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] <... openat resumed>) = 3 [pid 6042] <... write resumed>) = 4 [pid 6040] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6038] close(3 [pid 6037] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6042] close(3 [pid 6041] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6040] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6039] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6037] <... ioctl resumed>) = 0 [pid 6042] <... close resumed>) = 0 [pid 6041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6040] close(3 [pid 6039] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6037] exit_group(0 [pid 6042] write(1, "executing program\n", 18 [pid 6038] <... close resumed>) = 0 [pid 6037] <... exit_group resumed>) = ? executing program [pid 6042] <... write resumed>) = 18 [pid 6041] close(3 [pid 6039] close(3 [pid 6038] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6037] +++ exited with 0 +++ [pid 6038] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6038] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6038] exit_group(0) = ? [pid 6039] <... close resumed>) = 0 [pid 6038] +++ exited with 0 +++ [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6042] memfd_create("syzkaller", 0 [pid 6041] <... close resumed>) = 0 [pid 6040] <... close resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6042] <... memfd_create resumed>) = 3 [pid 6042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6042] <... mmap resumed>) = 0x7f4090200000 [pid 6041] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6040] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6039] <... openat resumed>) = 3 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6044 attached ./strace-static-x86_64: Process 6043 attached [pid 6042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6041] <... openat resumed>) = 3 [pid 6040] <... openat resumed>) = 3 [pid 6039] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6044] set_robust_list(0x55556a297660, 24 [pid 6043] set_robust_list(0x55556a297660, 24 [pid 6041] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6040] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6039] <... ioctl resumed>) = 0 [pid 6044] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6043 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] <... set_robust_list resumed>) = 0 [pid 6041] <... ioctl resumed>) = 0 [pid 6040] <... ioctl resumed>) = 0 [pid 6039] exit_group(0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6044 [pid 6044] <... prctl resumed>) = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] setpgid(0, 0 [pid 6041] exit_group(0 [pid 6040] exit_group(0 [pid 6044] <... setpgid resumed>) = 0 [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6043] <... prctl resumed>) = 0 [pid 6042] <... write resumed>) = 524288 [pid 6041] <... exit_group resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6039] <... exit_group resumed>) = ? [pid 6044] write(3, "1000", 4 [pid 6042] munmap(0x7f4090200000, 138412032 [pid 6041] +++ exited with 0 +++ [pid 6039] +++ exited with 0 +++ [pid 6044] <... write resumed>) = 4 [pid 6042] <... munmap resumed>) = 0 [pid 6044] close(3 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6044] <... close resumed>) = 0 [pid 6043] setpgid(0, 0 [pid 6044] write(1, "executing program\n", 18executing program [pid 6043] <... setpgid resumed>) = 0 [pid 6042] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6044] <... write resumed>) = 18 [pid 6042] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6044] memfd_create("syzkaller", 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6042] close(3 [pid 6040] +++ exited with 0 +++ [pid 6044] <... memfd_create resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6045 attached [pid 6044] <... mmap resumed>) = 0x7f4090200000 [pid 6043] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6046 attached [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 6045] set_robust_list(0x55556a297660, 24 [pid 6043] write(3, "1000", 4 [pid 6046] set_robust_list(0x55556a297660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6045 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6043] <... write resumed>) = 4 [pid 6042] <... close resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6046 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] close(3 [pid 6046] <... prctl resumed>) = 0 [pid 6043] <... close resumed>) = 0 [pid 6045] <... prctl resumed>) = 0 [pid 6044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6043] write(1, "executing program\n", 18executing program [pid 5851] <... restart_syscall resumed>) = 0 [pid 6046] setpgid(0, 0 [pid 6045] setpgid(0, 0 [pid 6043] <... write resumed>) = 18 [pid 6042] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6045] <... setpgid resumed>) = 0 [pid 6043] memfd_create("syzkaller", 0 [pid 6046] <... setpgid resumed>) = 0 [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] <... memfd_create resumed>) = 3 [pid 6042] <... openat resumed>) = 3 [pid 6042] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6045] <... openat resumed>) = 3 [pid 6043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] <... mmap resumed>) = 0x7f4090200000 [pid 6042] <... ioctl resumed>) = 0 [pid 6045] write(3, "1000", 4) = 4 [pid 6045] close(3 executing program [pid 6042] exit_group(0 [pid 6045] <... close resumed>) = 0 [pid 6045] write(1, "executing program\n", 18) = 18 [pid 6045] memfd_create("syzkaller", 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6042] <... exit_group resumed>) = ? [pid 6046] <... openat resumed>) = 3 [pid 6045] <... memfd_create resumed>) = 3 [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] <... mmap resumed>) = 0x7f4090200000 [pid 6046] write(3, "1000", 4 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6047 attached [pid 6046] <... write resumed>) = 4 [pid 6046] close(3 [pid 6042] +++ exited with 0 +++ [pid 6046] <... close resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6046] write(1, "executing program\n", 18 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6046] <... write resumed>) = 18 [pid 6046] memfd_create("syzkaller", 0 [pid 6047] set_robust_list(0x55556a297660, 24) = 0 [pid 6046] <... memfd_create resumed>) = 3 [pid 6044] <... write resumed>) = 524288 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6047 [pid 6046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... restart_syscall resumed>) = 0 [pid 6046] <... mmap resumed>) = 0x7f4090200000 [pid 6047] <... prctl resumed>) = 0 [pid 6047] setpgid(0, 0) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6043] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6047] <... openat resumed>) = 3 [pid 6046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6044] munmap(0x7f4090200000, 138412032 [pid 6043] <... write resumed>) = 524288 [pid 6043] munmap(0x7f4090200000, 138412032 [pid 6047] write(3, "1000", 4 [pid 6043] <... munmap resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6047] <... write resumed>) = 4 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] close(3 [pid 6043] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6047] <... close resumed>) = 0 [pid 6046] <... write resumed>) = 524288 [pid 6045] <... write resumed>) = 524288 [pid 6044] <... munmap resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] write(1, "executing program\n", 18 [pid 6046] munmap(0x7f4090200000, 138412032 [pid 6043] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6048 attached [pid 6047] <... write resumed>) = 18 [pid 6046] <... munmap resumed>) = 0 [pid 6045] munmap(0x7f4090200000, 138412032 [pid 6044] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6043] close(3 [pid 6048] set_robust_list(0x55556a297660, 24 [pid 6047] memfd_create("syzkaller", 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] <... memfd_create resumed>) = 3 [pid 6046] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6045] <... munmap resumed>) = 0 [pid 6044] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6048 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6045] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6044] close(3 [pid 6048] <... prctl resumed>) = 0 [pid 6047] <... mmap resumed>) = 0x7f4090200000 [pid 6046] close(3 [pid 6045] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6043] <... close resumed>) = 0 [pid 6048] setpgid(0, 0 [pid 6043] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6048] <... setpgid resumed>) = 0 [pid 6043] <... openat resumed>) = 3 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6046] <... close resumed>) = 0 [pid 6045] close(3 [pid 6044] <... close resumed>) = 0 [pid 6043] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6046] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6044] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6043] <... ioctl resumed>) = 0 [pid 6048] <... openat resumed>) = 3 [pid 6046] <... openat resumed>) = 3 [pid 6047] <... write resumed>) = 524288 [pid 6045] <... close resumed>) = 0 [pid 6044] <... openat resumed>) = 3 [pid 6043] exit_group(0 [pid 6048] write(3, "1000", 4 [pid 6047] munmap(0x7f4090200000, 138412032 [pid 6046] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6045] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6044] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6043] <... exit_group resumed>) = ? [pid 6048] <... write resumed>) = 4 [pid 6047] <... munmap resumed>) = 0 [pid 6046] <... ioctl resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 6044] <... ioctl resumed>) = 0 [pid 6048] close(3 [pid 6045] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6043] +++ exited with 0 +++ [pid 6047] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6048] <... close resumed>) = 0 [pid 6047] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6046] exit_group(0 [pid 6045] <... ioctl resumed>) = 0 [pid 6044] exit_group(0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6048] write(1, "executing program\n", 18 [pid 5846] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6048] <... write resumed>) = 18 [pid 6047] close(3 [pid 6046] <... exit_group resumed>) = ? [pid 6044] <... exit_group resumed>) = ? [pid 6048] memfd_create("syzkaller", 0 [pid 6045] exit_group(0) = ? [pid 6046] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6048] <... memfd_create resumed>) = 3 [pid 6047] <... close resumed>) = 0 [pid 6044] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6047] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6048] <... mmap resumed>) = 0x7f4090200000 [pid 6047] <... openat resumed>) = 3 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6047] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6047] exit_group(0 [pid 6048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... restart_syscall resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6047] <... exit_group resumed>) = ? [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6047] +++ exited with 0 +++ [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6049 attached [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6050 attached ./strace-static-x86_64: Process 6051 attached [pid 6049] set_robust_list(0x55556a297660, 24 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6050] set_robust_list(0x55556a297660, 24 [pid 6049] <... set_robust_list resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6049 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6051 [pid 6051] set_robust_list(0x55556a297660, 24 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6051] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6052 attached [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6049] setpgid(0, 0 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6050 [pid 6052] set_robust_list(0x55556a297660, 24 [pid 6051] <... prctl resumed>) = 0 [pid 6050] <... prctl resumed>) = 0 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] setpgid(0, 0 [pid 6050] setpgid(0, 0 [pid 6049] <... setpgid resumed>) = 0 [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] <... setpgid resumed>) = 0 [pid 6050] <... setpgid resumed>) = 0 [pid 6048] <... write resumed>) = 524288 [pid 6052] <... prctl resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6048] munmap(0x7f4090200000, 138412032 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6052 [pid 6052] setpgid(0, 0 [pid 6051] <... openat resumed>) = 3 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... setpgid resumed>) = 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] write(3, "1000", 4 [pid 6050] <... openat resumed>) = 3 [pid 6049] <... openat resumed>) = 3 [pid 6048] <... munmap resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6051] <... write resumed>) = 4 [pid 6050] write(3, "1000", 4 [pid 6051] close(3) = 0 [pid 6049] write(3, "1000", 4 [pid 6051] write(1, "executing program\n", 18 [pid 6050] <... write resumed>) = 4 [pid 6051] <... write resumed>) = 18 [pid 6050] close(3./strace-static-x86_64: Process 6053 attached [pid 6051] memfd_create("syzkaller", 0 [pid 6050] <... close resumed>) = 0 [pid 6048] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 6050] write(1, "executing program\n", 18 [pid 6053] set_robust_list(0x55556a297660, 24 [pid 6052] <... openat resumed>) = 3 [pid 6051] <... memfd_create resumed>) = 3 [pid 6050] <... write resumed>) = 18 [pid 6049] <... write resumed>) = 4 [pid 6048] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] write(3, "1000", 4 [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6050] memfd_create("syzkaller", 0 [pid 6049] close(3 [pid 6048] close(3 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6053 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] <... write resumed>) = 4 [pid 6051] <... mmap resumed>) = 0x7f4090200000 [pid 6050] <... memfd_create resumed>) = 3 [pid 6049] <... close resumed>) = 0 [pid 6048] <... close resumed>) = 0 executing program [pid 6053] <... prctl resumed>) = 0 [pid 6052] close(3 [pid 6051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6049] write(1, "executing program\n", 18 [pid 6052] <... close resumed>) = 0 [pid 6052] write(1, "executing program\n", 18 [pid 6049] <... write resumed>) = 18 [pid 6052] <... write resumed>) = 18 [pid 6050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6049] memfd_create("syzkaller", 0executing program [pid 6053] setpgid(0, 0 [pid 6052] memfd_create("syzkaller", 0 [pid 6050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6049] <... memfd_create resumed>) = 3 [pid 6053] <... setpgid resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6053] <... openat resumed>) = 3 [pid 6052] <... memfd_create resumed>) = 3 [pid 6049] <... mmap resumed>) = 0x7f4090200000 [pid 6048] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 6052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6051] <... write resumed>) = 524288 [pid 6053] write(3, "1000", 4 [pid 6052] <... mmap resumed>) = 0x7f4090200000 [pid 6050] <... write resumed>) = 524288 [pid 6049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6048] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6053] <... write resumed>) = 4 [pid 6051] munmap(0x7f4090200000, 138412032 [pid 6050] munmap(0x7f4090200000, 138412032 [pid 6051] <... munmap resumed>) = 0 [pid 6050] <... munmap resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6053] close(3 [pid 6052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6049] <... write resumed>) = 524288 [pid 6048] <... ioctl resumed>) = 0 [pid 6053] <... close resumed>) = 0 executing program [pid 6053] write(1, "executing program\n", 18 [pid 6051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6049] munmap(0x7f4090200000, 138412032 [pid 6048] exit_group(0 [pid 6053] <... write resumed>) = 18 [pid 6049] <... munmap resumed>) = 0 [pid 6048] <... exit_group resumed>) = ? [pid 6050] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6051] close(3 [pid 6053] memfd_create("syzkaller", 0 [pid 6050] close(3 [pid 6053] <... memfd_create resumed>) = 3 [pid 6048] +++ exited with 0 +++ [pid 6053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6049] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6053] <... mmap resumed>) = 0x7f4090200000 [pid 6049] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6052] <... write resumed>) = 524288 [pid 6051] <... close resumed>) = 0 [pid 6050] <... close resumed>) = 0 [pid 6049] close(3 [pid 6051] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6052] munmap(0x7f4090200000, 138412032) = 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 6051] <... openat resumed>) = 3 [pid 6051] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6052] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6051] <... ioctl resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6052] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6051] exit_group(0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6052] close(3 [pid 6051] <... exit_group resumed>) = ? [pid 6050] <... openat resumed>) = 3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6049] <... close resumed>) = 0 ./strace-static-x86_64: Process 6054 attached [pid 6054] set_robust_list(0x55556a297660, 24) = 0 [pid 6052] <... close resumed>) = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6054 [pid 6054] <... prctl resumed>) = 0 [pid 6054] setpgid(0, 0) = 0 [pid 6049] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6051] +++ exited with 0 +++ [pid 6049] <... openat resumed>) = 3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6050] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6054] <... openat resumed>) = 3 [pid 6052] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6050] <... ioctl resumed>) = 0 [pid 6049] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6054] write(3, "1000", 4 [pid 6049] <... ioctl resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6054] <... write resumed>) = 4 [pid 6049] exit_group(0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6054] close(3 [pid 6050] exit_group(0./strace-static-x86_64: Process 6055 attached [pid 6054] <... close resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6050] <... exit_group resumed>) = ? [pid 6049] <... exit_group resumed>) = ? executing program [pid 6054] write(1, "executing program\n", 18 [pid 6052] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6050] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 6055] set_robust_list(0x55556a297660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6055 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] <... write resumed>) = 18 [pid 6052] <... ioctl resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6054] memfd_create("syzkaller", 0 [pid 5855] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6054] <... memfd_create resumed>) = 3 [pid 6053] <... write resumed>) = 524288 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6054] <... mmap resumed>) = 0x7f4090200000 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] munmap(0x7f4090200000, 138412032 [pid 6052] exit_group(0./strace-static-x86_64: Process 6056 attached [pid 6055] <... prctl resumed>) = 0 [pid 6052] <... exit_group resumed>) = ? [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6056 [pid 6056] set_robust_list(0x55556a297660, 24 [pid 6055] setpgid(0, 0 [pid 6054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6053] <... munmap resumed>) = 0 [pid 6052] +++ exited with 0 +++ [pid 6056] <... set_robust_list resumed>) = 0 [pid 6055] <... setpgid resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... openat resumed>) = 3 [pid 6054] <... write resumed>) = 524288 [pid 6053] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6056] setpgid(0, 0 [pid 6055] write(3, "1000", 4 [pid 6054] munmap(0x7f4090200000, 138412032 [pid 6053] close(3 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6056] <... setpgid resumed>) = 0 [pid 6055] <... write resumed>) = 4 [pid 6054] <... munmap resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6057 attached [pid 6055] close(3 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6057] set_robust_list(0x55556a297660, 24 [pid 6055] <... close resumed>) = 0 ./strace-static-x86_64: Process 6058 attached executing program [pid 6057] <... set_robust_list resumed>) = 0 [pid 6055] write(1, "executing program\n", 18 [pid 6053] <... close resumed>) = 0 [pid 6055] <... write resumed>) = 18 [pid 6056] <... openat resumed>) = 3 [pid 6055] memfd_create("syzkaller", 0 [pid 6054] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] write(3, "1000", 4 [pid 6055] <... memfd_create resumed>) = 3 [pid 6058] set_robust_list(0x55556a297660, 24 [pid 6054] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6057 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6058 [pid 6056] <... write resumed>) = 4 [pid 6054] close(3 [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] <... prctl resumed>) = 0 [pid 6056] close(3 [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6053] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] setpgid(0, 0 [pid 6056] <... close resumed>) = 0 [pid 6055] <... mmap resumed>) = 0x7f4090200000 executing program [pid 6053] <... openat resumed>) = 3 [pid 6058] <... prctl resumed>) = 0 [pid 6057] <... setpgid resumed>) = 0 [pid 6056] write(1, "executing program\n", 18 [pid 6054] <... close resumed>) = 0 [pid 6058] setpgid(0, 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] <... write resumed>) = 18 [pid 6053] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6058] <... setpgid resumed>) = 0 [pid 6056] memfd_create("syzkaller", 0 [pid 6054] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6057] <... openat resumed>) = 3 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6057] write(3, "1000", 4 [pid 6054] <... openat resumed>) = 3 [pid 6053] <... ioctl resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6057] <... write resumed>) = 4 [pid 6056] <... memfd_create resumed>) = 3 [pid 6054] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6053] exit_group(0 [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6054] <... ioctl resumed>) = 0 [pid 6058] write(3, "1000", 4 [pid 6057] close(3 [pid 6056] <... mmap resumed>) = 0x7f4090200000 [pid 6055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6053] <... exit_group resumed>) = ? [pid 6058] <... write resumed>) = 4 executing program [pid 6057] <... close resumed>) = 0 [pid 6054] exit_group(0 [pid 6057] write(1, "executing program\n", 18) = 18 [pid 6054] <... exit_group resumed>) = ? [pid 6057] memfd_create("syzkaller", 0executing program [pid 6058] close(3 [pid 6053] +++ exited with 0 +++ [pid 6058] <... close resumed>) = 0 [pid 6057] <... memfd_create resumed>) = 3 [pid 6058] write(1, "executing program\n", 18 [pid 6057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6058] <... write resumed>) = 18 [pid 6057] <... mmap resumed>) = 0x7f4090200000 [pid 6056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6054] +++ exited with 0 +++ [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 6058] memfd_create("syzkaller", 0) = 3 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... restart_syscall resumed>) = 0 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6055] <... write resumed>) = 524288 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6058] <... mmap resumed>) = 0x7f4090200000 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6059 attached [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6059 ./strace-static-x86_64: Process 6060 attached [pid 6059] set_robust_list(0x55556a297660, 24 [pid 6058] <... write resumed>) = 524288 [pid 6057] <... write resumed>) = 524288 [pid 6056] <... write resumed>) = 524288 [pid 6055] munmap(0x7f4090200000, 138412032 [pid 6060] set_robust_list(0x55556a297660, 24 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] munmap(0x7f4090200000, 138412032 [pid 6056] munmap(0x7f4090200000, 138412032 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6060 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] munmap(0x7f4090200000, 138412032 [pid 6055] <... munmap resumed>) = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... prctl resumed>) = 0 [pid 6058] <... munmap resumed>) = 0 [pid 6057] <... munmap resumed>) = 0 [pid 6056] <... munmap resumed>) = 0 [pid 6055] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6060] <... prctl resumed>) = 0 [pid 6059] setpgid(0, 0 [pid 6058] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6055] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6060] setpgid(0, 0 [pid 6059] <... setpgid resumed>) = 0 [pid 6058] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6055] close(3 [pid 6057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6060] <... setpgid resumed>) = 0 [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] close(3 [pid 6056] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... openat resumed>) = 3 [pid 6060] <... openat resumed>) = 3 [pid 6059] write(3, "1000", 4 [pid 6058] <... close resumed>) = 0 [pid 6057] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6056] close(3 [pid 6055] <... close resumed>) = 0 [pid 6060] write(3, "1000", 4 [pid 6059] <... write resumed>) = 4 [pid 6057] close(3 [pid 6055] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6060] <... write resumed>) = 4 [pid 6059] close(3 [pid 6058] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6057] <... close resumed>) = 0 [pid 6056] <... close resumed>) = 0 [pid 6055] <... openat resumed>) = 3 [pid 6060] close(3 [pid 6059] <... close resumed>) = 0 [pid 6058] <... openat resumed>) = 3 [pid 6056] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6060] <... close resumed>) = 0 [pid 6059] write(1, "executing program\n", 18executing program [pid 6058] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6056] <... openat resumed>) = 3 [pid 6060] write(1, "executing program\n", 18executing program [pid 6059] <... write resumed>) = 18 [pid 6058] <... ioctl resumed>) = 0 [pid 6057] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6056] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6055] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6060] <... write resumed>) = 18 [pid 6060] memfd_create("syzkaller", 0 [pid 6059] memfd_create("syzkaller", 0 [pid 6058] exit_group(0 [pid 6057] <... openat resumed>) = 3 [pid 6056] <... ioctl resumed>) = 0 [pid 6055] <... ioctl resumed>) = 0 [pid 6060] <... memfd_create resumed>) = 3 [pid 6059] <... memfd_create resumed>) = 3 [pid 6058] <... exit_group resumed>) = ? [pid 6057] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6056] exit_group(0 [pid 6055] exit_group(0 [pid 6060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] <... ioctl resumed>) = 0 [pid 6055] <... exit_group resumed>) = ? [pid 6060] <... mmap resumed>) = 0x7f4090200000 [pid 6057] exit_group(0 [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] +++ exited with 0 +++ [pid 6056] <... exit_group resumed>) = ? [pid 6055] +++ exited with 0 +++ [pid 6057] <... exit_group resumed>) = ? [pid 6060] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6059] <... mmap resumed>) = 0x7f4090200000 [pid 6057] +++ exited with 0 +++ [pid 6060] <... write resumed>) = 524288 [pid 6059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6056] +++ exited with 0 +++ [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6060] munmap(0x7f4090200000, 138412032) = 0 [pid 6060] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6059] <... write resumed>) = 524288 [pid 5848] <... restart_syscall resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6060] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6059] munmap(0x7f4090200000, 138412032 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6060] close(3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6059] <... munmap resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6061 attached [pid 6059] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6061] set_robust_list(0x55556a297660, 24 [pid 6059] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6062 attached [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] close(3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6063 attached [pid 6062] set_robust_list(0x55556a297660, 24 [pid 6060] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6061 [pid 6063] set_robust_list(0x55556a297660, 24 [pid 6061] <... prctl resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6062 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/dev/loop4", O_RDONLY./strace-static-x86_64: Process 6064 attached [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6061] setpgid(0, 0 [pid 6060] <... openat resumed>) = 3 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6063 [pid 6064] set_robust_list(0x55556a297660, 24 [pid 6063] <... prctl resumed>) = 0 [pid 6062] <... prctl resumed>) = 0 [pid 6061] <... setpgid resumed>) = 0 [pid 6060] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6064 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6063] setpgid(0, 0 [pid 6062] setpgid(0, 0 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... ioctl resumed>) = 0 [pid 6059] <... close resumed>) = 0 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] <... setpgid resumed>) = 0 [pid 6062] <... setpgid resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] <... openat resumed>) = 3 [pid 6060] exit_group(0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6064] <... prctl resumed>) = 0 [pid 6064] setpgid(0, 0 [pid 6063] <... openat resumed>) = 3 [pid 6060] <... exit_group resumed>) = ? [pid 6059] <... openat resumed>) = 3 [pid 6061] write(3, "1000", 4 [pid 6064] <... setpgid resumed>) = 0 [pid 6062] <... openat resumed>) = 3 [pid 6061] <... write resumed>) = 4 [pid 6060] +++ exited with 0 +++ [pid 6059] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] write(3, "1000", 4 [pid 6062] write(3, "1000", 4 [pid 6061] close(3 [pid 6059] <... ioctl resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6063] <... write resumed>) = 4 [pid 6062] <... write resumed>) = 4 [pid 6061] <... close resumed>) = 0 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6064] <... openat resumed>) = 3 [pid 6062] close(3 [pid 6063] close(3 [pid 6061] write(1, "executing program\n", 18executing program [pid 6064] write(3, "1000", 4 [pid 6062] <... close resumed>) = 0 [pid 6064] <... write resumed>) = 4 [pid 6063] <... close resumed>) = 0 [pid 6062] write(1, "executing program\n", 18 [pid 6061] <... write resumed>) = 18 executing program [pid 6059] exit_group(0executing program [pid 6064] close(3 [pid 6063] write(1, "executing program\n", 18 [pid 6062] <... write resumed>) = 18 [pid 6061] memfd_create("syzkaller", 0 [pid 5847] <... restart_syscall resumed>) = 0 [pid 6064] <... close resumed>) = 0 [pid 6063] <... write resumed>) = 18 [pid 6059] <... exit_group resumed>) = ? executing program [pid 6064] write(1, "executing program\n", 18 [pid 6063] memfd_create("syzkaller", 0 [pid 6062] memfd_create("syzkaller", 0 [pid 6061] <... memfd_create resumed>) = 3 [pid 6059] +++ exited with 0 +++ [pid 6064] <... write resumed>) = 18 [pid 6063] <... memfd_create resumed>) = 3 [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6061] <... mmap resumed>) = 0x7f4090200000 [pid 6064] memfd_create("syzkaller", 0 [pid 6063] <... mmap resumed>) = 0x7f4090200000 [pid 6062] <... memfd_create resumed>) = 3 [pid 6062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6064] <... memfd_create resumed>) = 3 [pid 6064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6061] <... write resumed>) = 524288 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6065 attached [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6065 [pid 6065] set_robust_list(0x55556a297660, 24) = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6066 [pid 6065] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6066 attached [pid 6065] setpgid(0, 0 [pid 6064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6066] set_robust_list(0x55556a297660, 24) = 0 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] <... setpgid resumed>) = 0 [pid 6066] <... prctl resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] <... write resumed>) = 524288 [pid 6062] <... write resumed>) = 524288 [pid 6061] munmap(0x7f4090200000, 138412032 [pid 6066] setpgid(0, 0) = 0 executing program [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] <... munmap resumed>) = 0 [pid 6065] <... openat resumed>) = 3 [pid 6065] write(3, "1000", 4 [pid 6064] <... write resumed>) = 524288 [pid 6065] <... write resumed>) = 4 [pid 6065] close(3) = 0 [pid 6065] write(1, "executing program\n", 18 [pid 6064] munmap(0x7f4090200000, 138412032 [pid 6066] <... openat resumed>) = 3 [pid 6065] <... write resumed>) = 18 [pid 6063] munmap(0x7f4090200000, 138412032 [pid 6062] munmap(0x7f4090200000, 138412032 [pid 6061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6066] write(3, "1000", 4 [pid 6065] memfd_create("syzkaller", 0 [pid 6064] <... munmap resumed>) = 0 [pid 6063] <... munmap resumed>) = 0 [pid 6062] <... munmap resumed>) = 0 [pid 6061] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6066] <... write resumed>) = 4 [pid 6064] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6061] close(3 [pid 6066] close(3 [pid 6065] <... memfd_create resumed>) = 3 [pid 6064] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6063] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6062] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6061] <... close resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6064] close(3 [pid 6063] close(3 [pid 6065] <... mmap resumed>) = 0x7f4090200000 [pid 6063] <... close resumed>) = 0 [pid 6062] close(3) = 0 [pid 6066] write(1, "executing program\n", 18 [pid 6065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6061] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 6064] <... close resumed>) = 0 [pid 6066] <... write resumed>) = 18 [pid 6061] <... openat resumed>) = 3 [pid 6066] memfd_create("syzkaller", 0 [pid 6064] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6061] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6066] <... memfd_create resumed>) = 3 [pid 6064] <... openat resumed>) = 3 [pid 6061] <... ioctl resumed>) = 0 [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6064] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6061] exit_group(0 [pid 6066] <... mmap resumed>) = 0x7f4090200000 [pid 6064] <... ioctl resumed>) = 0 [pid 6061] <... exit_group resumed>) = ? [pid 6066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6065] <... write resumed>) = 524288 [pid 6064] exit_group(0 [pid 6061] +++ exited with 0 +++ [pid 6064] <... exit_group resumed>) = ? [pid 6063] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6062] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6065] munmap(0x7f4090200000, 138412032 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6062] <... openat resumed>) = 3 [pid 6062] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6062] exit_group(0 [pid 6063] <... openat resumed>) = 3 [pid 6063] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6062] <... exit_group resumed>) = ? [pid 6065] <... munmap resumed>) = 0 [pid 6064] +++ exited with 0 +++ [pid 6063] <... ioctl resumed>) = 0 [pid 6062] +++ exited with 0 +++ [pid 6065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6063] exit_group(0 [pid 6066] <... write resumed>) = 524288 [pid 6065] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6063] <... exit_group resumed>) = ? [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6065] close(3 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6063] +++ exited with 0 +++ [pid 6066] munmap(0x7f4090200000, 138412032 [pid 6065] <... close resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6065] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5849] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6067 attached [pid 6066] <... munmap resumed>) = 0 [pid 6065] <... openat resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6066] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6067] set_robust_list(0x55556a297660, 24 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6066] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6067 [pid 6066] close(3 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6065] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6068 attached [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] set_robust_list(0x55556a297660, 24 [pid 6067] <... prctl resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6065] <... ioctl resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6068 [pid 6068] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6069 attached ./strace-static-x86_64: Process 6070 attached [pid 6069] set_robust_list(0x55556a297660, 24 [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] setpgid(0, 0 [pid 6066] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6065] exit_group(0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6069 [pid 6070] set_robust_list(0x55556a297660, 24 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] <... prctl resumed>) = 0 [pid 6065] <... exit_group resumed>) = ? [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] setpgid(0, 0 [pid 6067] <... setpgid resumed>) = 0 [pid 6066] <... openat resumed>) = 3 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6070 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6065] +++ exited with 0 +++ [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6069] <... prctl resumed>) = 0 [pid 6068] <... setpgid resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6066] <... ioctl resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6070] <... prctl resumed>) = 0 [pid 6070] setpgid(0, 0 [pid 6069] setpgid(0, 0 [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] write(3, "1000", 4 [pid 6066] exit_group(0 [pid 6070] <... setpgid resumed>) = 0 [pid 6069] <... setpgid resumed>) = 0 [pid 6067] <... write resumed>) = 4 [pid 6066] <... exit_group resumed>) = ? [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6068] <... openat resumed>) = 3 [pid 6067] close(3 [pid 6068] write(3, "1000", 4) = 4 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6066] +++ exited with 0 +++ [pid 6070] <... openat resumed>) = 3 [pid 6068] close(3 [pid 6067] <... close resumed>) = 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6070] write(3, "1000", 4 [pid 6069] <... openat resumed>) = 3 [pid 6068] <... close resumed>) = 0 [pid 6067] write(1, "executing program\n", 18executing program [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6071 attached [pid 6070] <... write resumed>) = 4 [pid 6069] write(3, "1000", 4 executing program [pid 6068] write(1, "executing program\n", 18 [pid 6067] <... write resumed>) = 18 [pid 6068] <... write resumed>) = 18 [pid 6070] close(3 [pid 6069] <... write resumed>) = 4 [pid 6071] set_robust_list(0x55556a297660, 24 [pid 6070] <... close resumed>) = 0 [pid 6069] close(3 [pid 6068] memfd_create("syzkaller", 0 [pid 6067] memfd_create("syzkaller", 0executing program [pid 6071] <... set_robust_list resumed>) = 0 [pid 6070] write(1, "executing program\n", 18 [pid 6069] <... close resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6071 executing program [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] <... write resumed>) = 18 [pid 6069] write(1, "executing program\n", 18 [pid 6068] <... memfd_create resumed>) = 3 [pid 6067] <... memfd_create resumed>) = 3 [pid 6068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6071] <... prctl resumed>) = 0 [pid 6069] <... write resumed>) = 18 [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6070] memfd_create("syzkaller", 0 [pid 6068] <... mmap resumed>) = 0x7f4090200000 [pid 6071] setpgid(0, 0 [pid 6070] <... memfd_create resumed>) = 3 [pid 6069] memfd_create("syzkaller", 0 [pid 6068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6067] <... mmap resumed>) = 0x7f4090200000 [pid 6071] <... setpgid resumed>) = 0 [pid 6070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... mmap resumed>) = 0x7f4090200000 [pid 6069] <... memfd_create resumed>) = 3 [pid 6071] <... openat resumed>) = 3 [pid 6070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6068] <... write resumed>) = 524288 [pid 6067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6071] write(3, "1000", 4 [pid 6070] <... write resumed>) = 524288 [pid 6069] <... mmap resumed>) = 0x7f4090200000 [pid 6068] munmap(0x7f4090200000, 138412032 [pid 6067] <... write resumed>) = 524288 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] <... write resumed>) = 4 [pid 6068] <... munmap resumed>) = 0 [pid 6071] close(3 [pid 6068] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 6071] <... close resumed>) = 0 [pid 6068] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6071] write(1, "executing program\n", 18 [pid 6068] close(3 [pid 6071] <... write resumed>) = 18 [pid 6070] munmap(0x7f4090200000, 138412032 [pid 6069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6068] <... close resumed>) = 0 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6071] memfd_create("syzkaller", 0) = 3 [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6067] munmap(0x7f4090200000, 138412032./strace-static-x86_64: Process 6072 attached [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6070] <... munmap resumed>) = 0 [pid 6067] <... munmap resumed>) = 0 [pid 6072] set_robust_list(0x55556a297660, 24 [pid 6070] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6072] <... set_robust_list resumed>) = 0 [pid 6070] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] close(3 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6072 [pid 6068] <... openat resumed>) = 3 [pid 6068] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6068] <... ioctl resumed>) = 0 [pid 6067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6068] exit_group(0 [pid 6067] close(3 [pid 6072] <... prctl resumed>) = 0 [pid 6070] <... close resumed>) = 0 [pid 6068] <... exit_group resumed>) = ? [pid 6067] <... close resumed>) = 0 [pid 6072] setpgid(0, 0 [pid 6070] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6069] <... write resumed>) = 524288 [pid 6068] +++ exited with 0 +++ [pid 6072] <... setpgid resumed>) = 0 [pid 6069] munmap(0x7f4090200000, 138412032 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... openat resumed>) = 3 [pid 6069] <... munmap resumed>) = 0 [pid 6072] <... openat resumed>) = 3 [pid 6069] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6070] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6072] write(3, "1000", 4 [pid 6069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6072] <... write resumed>) = 4 [pid 6072] close(3executing program [pid 6070] <... ioctl resumed>) = 0 [pid 6069] close(3 [pid 6072] <... close resumed>) = 0 [pid 6070] exit_group(0 [pid 6072] write(1, "executing program\n", 18) = 18 [pid 6070] <... exit_group resumed>) = ? [pid 5848] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6072] memfd_create("syzkaller", 0 [pid 6071] <... write resumed>) = 524288 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6072] <... memfd_create resumed>) = 3 [pid 6067] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6073 attached [pid 6072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6070] +++ exited with 0 +++ [pid 6067] <... openat resumed>) = 3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6072] <... mmap resumed>) = 0x7f4090200000 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6067] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6073 [pid 6067] <... ioctl resumed>) = 0 [pid 6067] exit_group(0) = ? [pid 6073] set_robust_list(0x55556a297660, 24 [pid 6069] <... close resumed>) = 0 [pid 6067] +++ exited with 0 +++ [pid 5855] <... restart_syscall resumed>) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6071] munmap(0x7f4090200000, 138412032 [pid 6069] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6073] <... prctl resumed>) = 0 [pid 6072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6071] <... munmap resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6069] <... openat resumed>) = 3 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6073] setpgid(0, 0 [pid 6069] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6073] <... setpgid resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6073] <... openat resumed>) = 3 [pid 6072] <... write resumed>) = 524288 [pid 6071] close(3 [pid 6069] <... ioctl resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6074 attached [pid 6073] write(3, "1000", 4 [pid 6072] munmap(0x7f4090200000, 138412032 [pid 6071] <... close resumed>) = 0 [pid 6069] exit_group(0 [pid 6074] set_robust_list(0x55556a297660, 24 [pid 6073] <... write resumed>) = 4 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6074] <... set_robust_list resumed>) = 0 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6073] close(3) = 0 [pid 6073] write(1, "executing program\n", 18) = 18 [pid 6073] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6075 attached [pid 6074] <... prctl resumed>) = 0 [pid 6073] <... memfd_create resumed>) = 3 [pid 6072] <... munmap resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6069] <... exit_group resumed>) = ? [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6074 [pid 6075] set_robust_list(0x55556a297660, 24 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6075 [pid 6074] setpgid(0, 0 [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6074] <... setpgid resumed>) = 0 [pid 6073] <... mmap resumed>) = 0x7f4090200000 [pid 6072] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6071] <... openat resumed>) = 3 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6075] <... prctl resumed>) = 0 [pid 6075] setpgid(0, 0) = 0 [pid 6074] <... openat resumed>) = 3 [pid 6072] close(3 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6069] +++ exited with 0 +++ [pid 6074] write(3, "1000", 4 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6074] <... write resumed>) = 4 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6075] <... openat resumed>) = 3 executing program [pid 6074] close(3) = 0 [pid 6075] write(3, "1000", 4 [pid 6074] write(1, "executing program\n", 18 [pid 6075] <... write resumed>) = 4 [pid 6074] <... write resumed>) = 18 [pid 6075] close(3 [pid 6073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6072] <... close resumed>) = 0 [pid 6071] <... ioctl resumed>) = 0 [pid 6075] <... close resumed>) = 0 [pid 6074] memfd_create("syzkaller", 0 [pid 6072] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6071] exit_group(0executing program [pid 6075] write(1, "executing program\n", 18 [pid 6074] <... memfd_create resumed>) = 3 [pid 6071] <... exit_group resumed>) = ? [pid 6072] <... openat resumed>) = 3 [pid 5849] <... restart_syscall resumed>) = 0 [pid 6075] <... write resumed>) = 18 [pid 6074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6072] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6075] memfd_create("syzkaller", 0 [pid 6074] <... mmap resumed>) = 0x7f4090200000 [pid 6072] <... ioctl resumed>) = 0 [pid 6072] exit_group(0 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6075] <... memfd_create resumed>) = 3 [pid 6073] <... write resumed>) = 524288 [pid 6072] <... exit_group resumed>) = ? [pid 6071] +++ exited with 0 +++ [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6071, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6075] <... mmap resumed>) = 0x7f4090200000 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6076 attached [pid 6074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6073] munmap(0x7f4090200000, 138412032 [pid 6072] +++ exited with 0 +++ [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6076 ./strace-static-x86_64: Process 6077 attached [pid 6077] set_robust_list(0x55556a297660, 24) = 0 [pid 6076] set_robust_list(0x55556a297660, 24 [pid 6075] <... write resumed>) = 524288 [pid 6074] <... write resumed>) = 524288 [pid 6073] <... munmap resumed>) = 0 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6077 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] munmap(0x7f4090200000, 138412032 [pid 6074] munmap(0x7f4090200000, 138412032 [pid 6077] <... prctl resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6075] <... munmap resumed>) = 0 [pid 6074] <... munmap resumed>) = 0 [pid 6073] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6077] setpgid(0, 0 [pid 6076] <... prctl resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6077] <... setpgid resumed>) = 0 [pid 6076] setpgid(0, 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... setpgid resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6073] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6077] <... openat resumed>) = 3 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6075] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6074] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6077] write(3, "1000", 4 [pid 6075] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6077] <... write resumed>) = 4 [pid 6075] close(3 [pid 6073] close(3./strace-static-x86_64: Process 6078 attached [pid 6077] close(3 [pid 6076] <... openat resumed>) = 3 [pid 6075] <... close resumed>) = 0 [pid 6074] close(3 [pid 6077] <... close resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 6077] write(1, "executing program\n", 18 [pid 6075] <... openat resumed>) = 3 [pid 6077] <... write resumed>) = 18 [pid 6077] memfd_create("syzkaller", 0 [pid 6075] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6078] set_robust_list(0x55556a297660, 24 [pid 6077] <... memfd_create resumed>) = 3 [pid 6076] write(3, "1000", 4 [pid 6075] exit_group(0 [pid 6074] <... close resumed>) = 0 [pid 6073] <... close resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6078 [pid 6078] <... set_robust_list resumed>) = 0 [pid 6077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] <... write resumed>) = 4 [pid 6075] <... exit_group resumed>) = ? [pid 6073] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6074] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] <... mmap resumed>) = 0x7f4090200000 [pid 6076] close(3 [pid 6074] <... openat resumed>) = 3 [pid 6073] <... openat resumed>) = 3 [pid 6078] <... prctl resumed>) = 0 [pid 6076] <... close resumed>) = 0 [pid 6075] +++ exited with 0 +++ [pid 6074] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6078] setpgid(0, 0executing program [pid 6076] write(1, "executing program\n", 18 [pid 6074] <... ioctl resumed>) = 0 [pid 6073] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6078] <... setpgid resumed>) = 0 [pid 6076] <... write resumed>) = 18 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6076] memfd_create("syzkaller", 0 [pid 6074] exit_group(0 [pid 6073] <... ioctl resumed>) = 0 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6078] <... openat resumed>) = 3 [pid 6076] <... memfd_create resumed>) = 3 [pid 6074] <... exit_group resumed>) = ? [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6078] write(3, "1000", 4 [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6074] +++ exited with 0 +++ [pid 6078] <... write resumed>) = 4 [pid 6076] <... mmap resumed>) = 0x7f4090200000 [pid 6078] close(3 [pid 6077] <... write resumed>) = 524288 [pid 6073] exit_group(0 [pid 6078] <... close resumed>) = 0 executing program [pid 6073] <... exit_group resumed>) = ? [pid 6078] write(1, "executing program\n", 18 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6078] <... write resumed>) = 18 [pid 6078] memfd_create("syzkaller", 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6078] <... memfd_create resumed>) = 3 [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6073] +++ exited with 0 +++ [pid 6078] <... mmap resumed>) = 0x7f4090200000 [pid 6077] munmap(0x7f4090200000, 138412032 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6077] <... munmap resumed>) = 0 [pid 6076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] <... restart_syscall resumed>) = 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6078] <... write resumed>) = 524288 [pid 6077] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6076] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6079 attached [pid 6078] munmap(0x7f4090200000, 138412032 [pid 6077] close(3 [pid 6076] munmap(0x7f4090200000, 138412032 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6079 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6080 attached [pid 6078] <... munmap resumed>) = 0 [pid 6080] set_robust_list(0x55556a297660, 24 [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6081 attached [pid 6079] set_robust_list(0x55556a297660, 24 [pid 6078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6076] <... munmap resumed>) = 0 [pid 6081] set_robust_list(0x55556a297660, 24 [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] close(3 [pid 6077] <... close resumed>) = 0 [pid 6076] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6080 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6076] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6080] <... prctl resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] <... openat resumed>) = 3 [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6081 [pid 6081] <... prctl resumed>) = 0 [pid 6080] setpgid(0, 0 [pid 6079] <... prctl resumed>) = 0 [pid 6077] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6076] close(3 [pid 6081] setpgid(0, 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] setpgid(0, 0 [pid 6078] <... close resumed>) = 0 [pid 6081] <... setpgid resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] <... setpgid resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6081] <... openat resumed>) = 3 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... openat resumed>) = 3 [pid 6077] <... ioctl resumed>) = 0 [pid 6078] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6077] exit_group(0 [pid 6081] write(3, "1000", 4 [pid 6080] <... openat resumed>) = 3 [pid 6078] <... ioctl resumed>) = 0 [pid 6081] <... write resumed>) = 4 [pid 6079] <... openat resumed>) = 3 [pid 6077] <... exit_group resumed>) = ? [pid 6076] <... close resumed>) = 0 [pid 6081] close(3 [pid 6080] write(3, "1000", 4 [pid 6078] exit_group(0 [pid 6081] <... close resumed>) = 0 [pid 6080] <... write resumed>) = 4 [pid 6079] write(3, "1000", 4 [pid 6078] <... exit_group resumed>) = ? [pid 6081] write(1, "executing program\n", 18 [pid 6079] <... write resumed>) = 4 [pid 6079] close(3 [pid 6076] openat(AT_FDCWD, "/dev/loop4", O_RDONLYexecuting program [pid 6080] close(3 [pid 6079] <... close resumed>) = 0 [pid 6077] +++ exited with 0 +++ [pid 6076] <... openat resumed>) = 3 [pid 6079] write(1, "executing program\n", 18 [pid 6076] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 6081] <... write resumed>) = 18 [pid 6080] <... close resumed>) = 0 [pid 6079] <... write resumed>) = 18 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6081] memfd_create("syzkaller", 0executing program [pid 6080] write(1, "executing program\n", 18 [pid 6079] memfd_create("syzkaller", 0 [pid 6076] <... ioctl resumed>) = 0 [pid 6081] <... memfd_create resumed>) = 3 [pid 6080] <... write resumed>) = 18 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6079] <... memfd_create resumed>) = 3 [pid 6076] exit_group(0 [pid 6080] memfd_create("syzkaller", 0 [pid 6079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] <... exit_group resumed>) = ? [pid 6079] <... mmap resumed>) = 0x7f4090200000 [pid 6081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6080] <... memfd_create resumed>) = 3 [pid 6078] +++ exited with 0 +++ [pid 6076] +++ exited with 0 +++ [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6081] <... write resumed>) = 524288 [pid 6080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] <... write resumed>) = 524288 [pid 5847] <... restart_syscall resumed>) = 0 [pid 6080] <... mmap resumed>) = 0x7f4090200000 [pid 6079] munmap(0x7f4090200000, 138412032 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6082 attached [pid 6081] munmap(0x7f4090200000, 138412032 [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 6082] set_robust_list(0x55556a297660, 24 [pid 6081] <... munmap resumed>) = 0 [pid 5851] <... restart_syscall resumed>) = 0 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6082 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6079] <... munmap resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6082] <... prctl resumed>) = 0 [pid 6081] close(3 [pid 6079] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6082] setpgid(0, 0 [pid 6080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6079] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6079] close(3 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6083 attached [pid 6082] <... setpgid resumed>) = 0 [pid 6081] <... close resumed>) = 0 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6084 attached [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6084 [pid 6084] set_robust_list(0x55556a297660, 24) = 0 [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6084] setpgid(0, 0 [pid 6083] set_robust_list(0x55556a297660, 24 [pid 6082] <... openat resumed>) = 3 [pid 6081] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6079] <... close resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6083 [pid 6084] <... setpgid resumed>) = 0 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6082] write(3, "1000", 4 [pid 6081] <... openat resumed>) = 3 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... write resumed>) = 4 [pid 6081] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6080] <... write resumed>) = 524288 [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6083] <... prctl resumed>) = 0 [pid 6082] close(3 [pid 6081] <... ioctl resumed>) = 0 [pid 6080] munmap(0x7f4090200000, 138412032 [pid 6084] <... openat resumed>) = 3 [pid 6083] setpgid(0, 0 [pid 6082] <... close resumed>) = 0 [pid 6081] exit_group(0 [pid 6079] <... openat resumed>) = 3 [pid 6083] <... setpgid resumed>) = 0 executing program [pid 6082] write(1, "executing program\n", 18 [pid 6081] <... exit_group resumed>) = ? [pid 6080] <... munmap resumed>) = 0 [pid 6079] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6084] write(3, "1000", 4 [pid 6082] <... write resumed>) = 18 [pid 6079] <... ioctl resumed>) = 0 [pid 6084] <... write resumed>) = 4 [pid 6079] exit_group(0 [pid 6084] close(3 [pid 6082] memfd_create("syzkaller", 0 [pid 6084] <... close resumed>) = 0 [pid 6079] <... exit_group resumed>) = ? executing program [pid 6084] write(1, "executing program\n", 18 [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... memfd_create resumed>) = 3 [pid 6081] +++ exited with 0 +++ [pid 6080] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6084] <... write resumed>) = 18 [pid 6083] <... openat resumed>) = 3 [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6080] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6079] +++ exited with 0 +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6084] memfd_create("syzkaller", 0 [pid 6082] <... mmap resumed>) = 0x7f4090200000 [pid 6080] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6084] <... memfd_create resumed>) = 3 [pid 6083] write(3, "1000", 4 [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6083] <... write resumed>) = 4 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6084] <... mmap resumed>) = 0x7f4090200000 [pid 6083] close(3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6083] <... close resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6083] write(1, "executing program\n", 18 [pid 6082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6080] <... close resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program ) = -1 EBUSY (Device or resource busy) [pid 6083] <... write resumed>) = 18 ./strace-static-x86_64: Process 6085 attached [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6086 attached [pid 6085] set_robust_list(0x55556a297660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6085 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6086] set_robust_list(0x55556a297660, 24 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6083] memfd_create("syzkaller", 0 [pid 6080] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6083] <... memfd_create resumed>) = 3 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6085] <... prctl resumed>) = 0 [pid 6083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6082] <... write resumed>) = 524288 [pid 6080] <... openat resumed>) = 3 [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] setpgid(0, 0 [pid 6083] <... mmap resumed>) = 0x7f4090200000 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6086 [pid 6086] <... prctl resumed>) = 0 [pid 6085] <... setpgid resumed>) = 0 [pid 6084] <... write resumed>) = 524288 [pid 6082] munmap(0x7f4090200000, 138412032 [pid 6080] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6086] setpgid(0, 0 [pid 6080] <... ioctl resumed>) = 0 [pid 6086] <... setpgid resumed>) = 0 [pid 6084] munmap(0x7f4090200000, 138412032 [pid 6080] exit_group(0) = ? [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... munmap resumed>) = 0 [pid 6086] <... openat resumed>) = 3 [pid 6085] <... openat resumed>) = 3 [pid 6084] <... munmap resumed>) = 0 [pid 6083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6080] +++ exited with 0 +++ [pid 6082] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6086] write(3, "1000", 4 [pid 6085] write(3, "1000", 4 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6086] <... write resumed>) = 4 [pid 6082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6086] close(3 [pid 6085] <... write resumed>) = 4 [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6085] close(3 [pid 6086] <... close resumed>) = 0 [pid 6084] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6086] write(1, "executing program\n", 18 [pid 6085] <... close resumed>) = 0 [pid 6082] close(3 [pid 6084] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6086] <... write resumed>) = 18 executing program [pid 6085] write(1, "executing program\n", 18 [pid 6084] close(3 [pid 6082] <... close resumed>) = 0 [pid 6086] memfd_create("syzkaller", 0) = 3 [pid 6085] <... write resumed>) = 18 [pid 6083] <... write resumed>) = 524288 [pid 6082] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6085] memfd_create("syzkaller", 0 [pid 6083] munmap(0x7f4090200000, 138412032 [pid 6082] <... openat resumed>) = 3 [pid 6085] <... memfd_create resumed>) = 3 [pid 6086] <... mmap resumed>) = 0x7f4090200000 [pid 6085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6084] <... close resumed>) = 0 [pid 6083] <... munmap resumed>) = 0 [pid 6082] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] <... restart_syscall resumed>) = 0 [pid 6085] <... mmap resumed>) = 0x7f4090200000 [pid 6086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6084] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6083] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6082] <... ioctl resumed>) = 0 [pid 6084] <... openat resumed>) = 3 [pid 6083] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6083] close(3 [pid 6082] exit_group(0 [pid 6084] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6083] <... close resumed>) = 0 [pid 6082] <... exit_group resumed>) = ? [pid 6082] +++ exited with 0 +++ [pid 6086] <... write resumed>) = 524288 [pid 6085] <... write resumed>) = 524288 [pid 6084] <... ioctl resumed>) = 0 [pid 6083] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6083] <... openat resumed>) = 3 [pid 6083] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6083] exit_group(0 [pid 6086] munmap(0x7f4090200000, 138412032) = 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6085] munmap(0x7f4090200000, 138412032 [pid 6084] exit_group(0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] <... exit_group resumed>) = ? [pid 6085] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6087 attached [pid 6086] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6085] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6084] <... exit_group resumed>) = ? [pid 6087] set_robust_list(0x55556a297660, 24 [pid 6083] +++ exited with 0 +++ [pid 6087] <... set_robust_list resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6087 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6086] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6085] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6087] <... prctl resumed>) = 0 [pid 6086] close(3 [pid 5851] <... restart_syscall resumed>) = 0 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6087] setpgid(0, 0 [pid 6085] close(3 [pid 6087] <... setpgid resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6090 attached ./strace-static-x86_64: Process 6089 attached [pid 6087] <... openat resumed>) = 3 [pid 6090] set_robust_list(0x55556a297660, 24 [pid 6089] set_robust_list(0x55556a297660, 24 [pid 6087] write(3, "1000", 4 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6090 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6089 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6087] <... write resumed>) = 4 [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... set_robust_list resumed>) = 0 [pid 6087] close(3 [pid 6085] <... close resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] <... prctl resumed>) = 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... close resumed>) = 0 [pid 6086] <... close resumed>) = 0 [pid 6085] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6090] setpgid(0, 0 [pid 6087] write(1, "executing program\n", 18executing program [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6087] <... write resumed>) = 18 [pid 6086] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6085] <... openat resumed>) = 3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6085] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6090] <... setpgid resumed>) = 0 [pid 6089] <... prctl resumed>) = 0 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6089] setpgid(0, 0 [pid 6090] <... openat resumed>) = 3 [pid 6089] <... setpgid resumed>) = 0 [pid 6085] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6091 attached [pid 6090] write(3, "1000", 4 [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] memfd_create("syzkaller", 0 [pid 6086] <... openat resumed>) = 3 [pid 6085] exit_group(0 [pid 6091] set_robust_list(0x55556a297660, 24 [pid 6090] <... write resumed>) = 4 executing program [pid 6087] <... memfd_create resumed>) = 3 [pid 6086] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6085] <... exit_group resumed>) = ? [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6091 [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6086] <... ioctl resumed>) = 0 [pid 6091] <... set_robust_list resumed>) = 0 [pid 6090] close(3 [pid 6089] <... openat resumed>) = 3 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] <... close resumed>) = 0 [pid 6089] write(3, "1000", 4 [pid 6091] <... prctl resumed>) = 0 [pid 6090] write(1, "executing program\n", 18 [pid 6089] <... write resumed>) = 4 [pid 6091] setpgid(0, 0 [pid 6090] <... write resumed>) = 18 [pid 6089] close(3 [pid 6085] +++ exited with 0 +++ [pid 6091] <... setpgid resumed>) = 0 executing program [pid 6090] memfd_create("syzkaller", 0 [pid 6089] <... close resumed>) = 0 [pid 6087] <... mmap resumed>) = 0x7f4090200000 [pid 6086] exit_group(0 [pid 6090] <... memfd_create resumed>) = 3 [pid 6089] write(1, "executing program\n", 18 [pid 6086] <... exit_group resumed>) = ? [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6089] <... write resumed>) = 18 [ 77.882473][ T1151] hfsplus: b-tree write err: -5, ino 4 [ 77.890860][ T1151] hfsplus: b-tree write err: -5, ino 4 [ 77.890928][ T12] hfsplus: b-tree write err: -5, ino 4 [ 77.896760][ T1151] hfsplus: b-tree write err: -5, ino 4 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6091] <... openat resumed>) = 3 [pid 6090] <... mmap resumed>) = 0x7f4090200000 [pid 6089] memfd_create("syzkaller", 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6091] write(3, "1000", 4 [pid 6087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6086] +++ exited with 0 +++ executing program [pid 6091] <... write resumed>) = 4 [pid 6091] close(3 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6091] <... close resumed>) = 0 [pid 6091] write(1, "executing program\n", 18) = 18 [pid 6089] <... memfd_create resumed>) = 3 [pid 6089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6091] memfd_create("syzkaller", 0 [pid 6089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6087] <... write resumed>) = 524288 [pid 6091] <... memfd_create resumed>) = 3 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] munmap(0x7f4090200000, 138412032 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6091] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 6092 attached [pid 6091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6089] <... write resumed>) = 524288 [pid 6087] <... munmap resumed>) = 0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6092 [pid 6092] set_robust_list(0x55556a297660, 24 [pid 6089] munmap(0x7f4090200000, 138412032) = 0 [pid 6089] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] <... write resumed>) = 524288 [pid 6090] <... write resumed>) = 524288 [pid 6087] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6091] munmap(0x7f4090200000, 138412032 [pid 6089] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6087] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6091] <... munmap resumed>) = 0 [pid 6090] munmap(0x7f4090200000, 138412032 [pid 6089] close(3 [pid 6087] close(3 [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] <... munmap resumed>) = 0 [pid 6089] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6091] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6091] close(3./strace-static-x86_64: Process 6093 attached [pid 6092] setpgid(0, 0 [pid 6090] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6089] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6087] <... close resumed>) = 0 [pid 6093] set_robust_list(0x55556a297660, 24 [pid 6092] <... setpgid resumed>) = 0 [pid 6090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6089] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6093 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] close(3 [pid 6089] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6093] <... prctl resumed>) = 0 [pid 6093] setpgid(0, 0) = 0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6092] <... openat resumed>) = 3 [pid 6091] <... close resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 6089] <... ioctl resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6091] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6090] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6089] exit_group(0 [pid 6093] write(3, "1000", 4 [pid 6092] write(3, "1000", 4 [pid 6091] <... openat resumed>) = 3 [pid 6089] <... exit_group resumed>) = ? [pid 6087] <... openat resumed>) = 3 [pid 6093] <... write resumed>) = 4 [pid 6092] <... write resumed>) = 4 [pid 6090] <... openat resumed>) = 3 [pid 6087] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6093] close(3 [pid 6092] close(3 [pid 6087] <... ioctl resumed>) = 0 [pid 6093] <... close resumed>) = 0 [pid 6092] <... close resumed>) = 0 [pid 6087] exit_group(0 [pid 6093] write(1, "executing program\n", 18 [pid 6092] write(1, "executing program\n", 18executing program executing program [pid 6093] <... write resumed>) = 18 [pid 6092] <... write resumed>) = 18 [pid 6090] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6089] +++ exited with 0 +++ [pid 6091] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6087] <... exit_group resumed>) = ? [pid 6093] memfd_create("syzkaller", 0 [pid 6092] memfd_create("syzkaller", 0 [pid 6091] <... ioctl resumed>) = 0 [pid 6090] <... ioctl resumed>) = 0 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6093] <... memfd_create resumed>) = 3 [pid 6092] <... memfd_create resumed>) = 3 [pid 6091] exit_group(0 [pid 6090] exit_group(0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] <... mmap resumed>) = 0x7f4090200000 [pid 6092] <... mmap resumed>) = 0x7f4090200000 [pid 6091] <... exit_group resumed>) = ? [pid 6090] <... exit_group resumed>) = ? [pid 6087] +++ exited with 0 +++ [pid 6090] +++ exited with 0 +++ [pid 6091] +++ exited with 0 +++ [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] <... restart_syscall resumed>) = 0 [pid 5847] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6094 attached [pid 6093] <... write resumed>) = 524288 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6095 attached [pid 6094] set_robust_list(0x55556a297660, 24 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6094 [pid 6094] <... set_robust_list resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6095 ./strace-static-x86_64: Process 6096 attached [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6096] set_robust_list(0x55556a297660, 24 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] set_robust_list(0x55556a297660, 24 [pid 6094] <... prctl resumed>) = 0 [pid 6093] munmap(0x7f4090200000, 138412032 [pid 6092] <... write resumed>) = 524288 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6096 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x55556a297660, 24 [pid 6094] setpgid(0, 0 [pid 6092] munmap(0x7f4090200000, 138412032 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] <... prctl resumed>) = 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... setpgid resumed>) = 0 [pid 6093] <... munmap resumed>) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] <... munmap resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6097 [pid 6097] <... prctl resumed>) = 0 [pid 6096] setpgid(0, 0 [pid 6095] <... prctl resumed>) = 0 [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6093] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6092] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6097] setpgid(0, 0 [pid 6095] setpgid(0, 0 [pid 6096] <... setpgid resumed>) = 0 [pid 6092] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6095] <... setpgid resumed>) = 0 [pid 6093] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6092] close(3 [pid 6097] <... setpgid resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... openat resumed>) = 3 [pid 6097] write(3, "1000", 4 [pid 6096] <... openat resumed>) = 3 [pid 6095] <... openat resumed>) = 3 [pid 6094] <... openat resumed>) = 3 [pid 6093] close(3 [pid 6092] <... close resumed>) = 0 [pid 6097] <... write resumed>) = 4 [pid 6094] write(3, "1000", 4 [pid 6092] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6097] close(3 [pid 6094] <... write resumed>) = 4 [pid 6092] <... openat resumed>) = 3 [pid 6097] <... close resumed>) = 0 [pid 6096] write(3, "1000", 4 [pid 6095] write(3, "1000", 4 [pid 6094] close(3 [pid 6093] <... close resumed>) = 0 [pid 6092] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6097] write(1, "executing program\n", 18executing program [pid 6096] <... write resumed>) = 4 [pid 6094] <... close resumed>) = 0 [pid 6097] <... write resumed>) = 18 [pid 6092] <... ioctl resumed>) = 0 [pid 6094] write(1, "executing program\n", 18 [pid 6095] <... write resumed>) = 4 [pid 6097] memfd_create("syzkaller", 0 [pid 6096] close(3 [pid 6095] close(3) = 0 [pid 6092] exit_group(0executing program [pid 6096] <... close resumed>) = 0 [pid 6095] write(1, "executing program\n", 18 [pid 6094] <... write resumed>) = 18 executing program executing program [pid 6097] <... memfd_create resumed>) = 3 [pid 6092] <... exit_group resumed>) = ? [pid 6096] write(1, "executing program\n", 18 [pid 6095] <... write resumed>) = 18 [pid 6096] <... write resumed>) = 18 [pid 6095] memfd_create("syzkaller", 0 [pid 6094] memfd_create("syzkaller", 0 [pid 6096] memfd_create("syzkaller", 0 [pid 6095] <... memfd_create resumed>) = 3 [pid 6095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6096] <... memfd_create resumed>) = 3 [pid 6094] <... memfd_create resumed>) = 3 [pid 6093] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6092] +++ exited with 0 +++ [pid 6097] <... mmap resumed>) = 0x7f4090200000 [pid 6096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] <... openat resumed>) = 3 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6096] <... mmap resumed>) = 0x7f4090200000 [pid 6094] <... mmap resumed>) = 0x7f4090200000 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 6093] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6095] <... write resumed>) = 524288 [pid 6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6093] <... ioctl resumed>) = 0 [pid 5855] <... restart_syscall resumed>) = 0 [pid 6095] munmap(0x7f4090200000, 138412032 [pid 6093] exit_group(0 [pid 6094] <... write resumed>) = 524288 [pid 6093] <... exit_group resumed>) = ? [pid 6095] <... munmap resumed>) = 0 [pid 6095] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6093] +++ exited with 0 +++ [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6097] <... write resumed>) = 524288 [pid 6095] close(3 [pid 6094] munmap(0x7f4090200000, 138412032 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6097] munmap(0x7f4090200000, 138412032 [pid 6094] <... munmap resumed>) = 0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6097] <... munmap resumed>) = 0 [pid 6096] <... write resumed>) = 524288 [pid 6095] <... close resumed>) = 0 [pid 5846] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6098 attached [pid 6097] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6096] munmap(0x7f4090200000, 138412032 [pid 6095] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6094] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6098] set_robust_list(0x55556a297660, 24 [pid 6097] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6096] <... munmap resumed>) = 0 [pid 6095] <... openat resumed>) = 3 [pid 6094] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6098 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] close(3 [pid 6094] close(3 [pid 6096] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6095] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6096] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6095] <... ioctl resumed>) = 0 [pid 6096] close(3 [pid 6095] exit_group(0 [pid 6096] <... close resumed>) = 0 [pid 6095] <... exit_group resumed>) = ? [pid 6094] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6098] <... prctl resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] setpgid(0, 0 [pid 6097] <... close resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6094] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6099 ./strace-static-x86_64: Process 6099 attached [pid 6098] <... setpgid resumed>) = 0 [pid 6097] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6096] <... openat resumed>) = 3 [pid 6095] +++ exited with 0 +++ [pid 6094] <... openat resumed>) = 3 [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... openat resumed>) = 3 [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6094] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6098] <... openat resumed>) = 3 [pid 6097] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6096] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6094] <... ioctl resumed>) = 0 [pid 6098] write(3, "1000", 4 [pid 6097] <... ioctl resumed>) = 0 [pid 6096] <... ioctl resumed>) = 0 [pid 6094] exit_group(0 [pid 6099] set_robust_list(0x55556a297660, 24 [pid 6098] <... write resumed>) = 4 [pid 6098] close(3 [pid 6096] exit_group(0 [pid 6094] <... exit_group resumed>) = ? [pid 6096] <... exit_group resumed>) = ? [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6100 attached [pid 6094] +++ exited with 0 +++ [pid 6100] set_robust_list(0x55556a297660, 24) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6097] exit_group(0 [pid 6096] +++ exited with 0 +++ [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6100 [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] <... prctl resumed>) = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] write(1, "executing program\n", 18 [pid 6097] <... exit_group resumed>) = ? [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] setpgid(0, 0executing program ) = 0 [pid 6099] <... prctl resumed>) = 0 [pid 6098] <... write resumed>) = 18 [pid 6097] +++ exited with 0 +++ [pid 5851] <... restart_syscall resumed>) = 0 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] setpgid(0, 0 [pid 6098] memfd_create("syzkaller", 0 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6100] <... openat resumed>) = 3 [pid 6099] <... setpgid resumed>) = 0 [pid 6098] <... memfd_create resumed>) = 3 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6100] write(3, "1000", 4 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6100] <... write resumed>) = 4 [pid 6098] <... mmap resumed>) = 0x7f4090200000 ./strace-static-x86_64: Process 6101 attached [pid 6100] close(3 [pid 6099] <... openat resumed>) = 3 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6100] <... close resumed>) = 0 [pid 6099] write(3, "1000", 4 [pid 6101] set_robust_list(0x55556a297660, 24 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6101 [pid 6101] <... set_robust_list resumed>) = 0 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6101] setpgid(0, 0) = 0 executing program [pid 6100] write(1, "executing program\n", 18 [pid 6099] <... write resumed>) = 4 [pid 6098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... write resumed>) = 18 [pid 6099] close(3 [pid 6100] memfd_create("syzkaller", 0 [pid 6099] <... close resumed>) = 0 [pid 6100] <... memfd_create resumed>) = 3 [pid 6099] write(1, "executing program\n", 18 [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] <... write resumed>) = 18 [pid 6100] <... mmap resumed>) = 0x7f4090200000 [pid 6099] memfd_create("syzkaller", 0 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6099] <... memfd_create resumed>) = 3 [pid 6098] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6102 attached [pid 6101] <... openat resumed>) = 3 [pid 6100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6098] munmap(0x7f4090200000, 138412032 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6102 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] set_robust_list(0x55556a297660, 24 [pid 6101] write(3, "1000", 4 [pid 6099] <... mmap resumed>) = 0x7f4090200000 [pid 6098] <... munmap resumed>) = 0 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] <... write resumed>) = 4 ./strace-static-x86_64: Process 6103 attached [pid 6101] close(3) = 0 [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6101] write(1, "executing program\n", 18 [pid 6102] <... prctl resumed>) = 0 [pid 6101] <... write resumed>) = 18 [pid 6102] setpgid(0, 0 [pid 6101] memfd_create("syzkaller", 0 [pid 6098] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6101] <... memfd_create resumed>) = 3 [pid 6102] <... setpgid resumed>) = 0 [pid 6101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6103] set_robust_list(0x55556a297660, 24 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] <... mmap resumed>) = 0x7f4090200000 [pid 6098] close(3 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6100] <... write resumed>) = 524288 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6103 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6102] <... openat resumed>) = 3 [pid 6100] munmap(0x7f4090200000, 138412032 [pid 6103] <... prctl resumed>) = 0 [pid 6103] setpgid(0, 0 [pid 6102] write(3, "1000", 4 [pid 6100] <... munmap resumed>) = 0 [pid 6098] <... close resumed>) = 0 [pid 6103] <... setpgid resumed>) = 0 [pid 6102] <... write resumed>) = 4 [pid 6100] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6099] <... write resumed>) = 524288 [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] close(3 [pid 6101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6098] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6103] <... openat resumed>) = 3 [pid 6102] <... close resumed>) = 0 [pid 6100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6099] munmap(0x7f4090200000, 138412032 [pid 6102] write(1, "executing program\n", 18 [pid 6098] <... openat resumed>) = 3 [pid 6102] <... write resumed>) = 18 [pid 6103] write(3, "1000", 4 [pid 6100] close(3 [pid 6099] <... munmap resumed>) = 0 [pid 6103] <... write resumed>) = 4 [pid 6102] memfd_create("syzkaller", 0 [pid 6101] <... write resumed>) = 524288 [pid 6098] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6103] close(3 [pid 6099] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6103] <... close resumed>) = 0 [pid 6102] <... memfd_create resumed>) = 3 [pid 6101] munmap(0x7f4090200000, 138412032 [pid 6099] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6098] <... ioctl resumed>) = 0 executing program [pid 6103] write(1, "executing program\n", 18 [pid 6099] close(3 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6098] exit_group(0 [pid 6103] <... write resumed>) = 18 [pid 6102] <... mmap resumed>) = 0x7f4090200000 [pid 6101] <... munmap resumed>) = 0 [pid 6100] <... close resumed>) = 0 [pid 6098] <... exit_group resumed>) = ? [pid 6103] memfd_create("syzkaller", 0 [pid 6099] <... close resumed>) = 0 [pid 6103] <... memfd_create resumed>) = 3 [pid 6103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6103] <... mmap resumed>) = 0x7f4090200000 [pid 6099] <... openat resumed>) = 3 [pid 6098] +++ exited with 0 +++ [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6101] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6100] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] <... openat resumed>) = 3 [pid 6101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6100] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6101] close(3 [pid 6099] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6099] <... ioctl resumed>) = 0 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6099] exit_group(0 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6104 attached [pid 6099] <... exit_group resumed>) = ? [pid 6101] <... close resumed>) = 0 [pid 6100] <... ioctl resumed>) = 0 [pid 6099] +++ exited with 0 +++ [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6100] exit_group(0 [pid 6104] set_robust_list(0x55556a297660, 24 [pid 6100] <... exit_group resumed>) = ? [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6104 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6100] +++ exited with 0 +++ [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6105 attached [pid 6101] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5849] <... restart_syscall resumed>) = 0 [pid 6105] set_robust_list(0x55556a297660, 24 [pid 6104] <... prctl resumed>) = 0 [pid 6102] <... write resumed>) = 524288 [pid 6101] <... openat resumed>) = 3 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6105 [pid 6105] <... set_robust_list resumed>) = 0 [pid 6104] setpgid(0, 0 [pid 6101] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... setpgid resumed>) = 0 [pid 6102] munmap(0x7f4090200000, 138412032 [pid 6101] <... ioctl resumed>) = 0 [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6105] <... prctl resumed>) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] <... munmap resumed>) = 0 [pid 6101] exit_group(0 [pid 6103] <... write resumed>) = 524288 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6105] setpgid(0, 0) = 0 [pid 6104] <... openat resumed>) = 3 [pid 6103] munmap(0x7f4090200000, 138412032 [pid 6102] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6101] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6106 attached [pid 6106] set_robust_list(0x55556a297660, 24 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] write(3, "1000", 4 [pid 6103] <... munmap resumed>) = 0 [pid 6102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6101] +++ exited with 0 +++ [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6106 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] <... openat resumed>) = 3 [pid 6104] <... write resumed>) = 4 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6102] close(3 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] write(3, "1000", 4 [pid 6104] close(3 [pid 6103] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6106] <... prctl resumed>) = 0 [pid 6105] <... write resumed>) = 4 [pid 6104] <... close resumed>) = 0 [pid 6106] setpgid(0, 0 [pid 6105] close(3 [pid 6104] write(1, "executing program\n", 18 [pid 6103] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6103] close(3executing program [pid 6106] <... setpgid resumed>) = 0 [pid 6105] <... close resumed>) = 0 [pid 6104] <... write resumed>) = 18 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] write(1, "executing program\n", 18 [pid 6104] memfd_create("syzkaller", 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6106] <... openat resumed>) = 3 [pid 6105] <... write resumed>) = 18 [pid 6104] <... memfd_create resumed>) = 3 [pid 6103] <... close resumed>) = 0 [pid 6102] <... close resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6102] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6105] memfd_create("syzkaller", 0 [pid 6102] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6107 attached [pid 6106] write(3, "1000", 4 [pid 6105] <... memfd_create resumed>) = 3 [pid 6104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6103] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6102] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6107] set_robust_list(0x55556a297660, 24 [pid 6102] <... ioctl resumed>) = 0 [pid 6106] <... write resumed>) = 4 [pid 6105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6107 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] close(3 [pid 6104] <... mmap resumed>) = 0x7f4090200000 [pid 6103] <... openat resumed>) = 3 [pid 6105] <... mmap resumed>) = 0x7f4090200000 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6106] <... close resumed>) = 0 [pid 6102] exit_group(0 [pid 6103] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096) = 0 [pid 6103] exit_group(0executing program [pid 6107] <... prctl resumed>) = 0 [pid 6106] write(1, "executing program\n", 18 [pid 6105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6102] <... exit_group resumed>) = ? [pid 6107] setpgid(0, 0) = 0 [pid 6106] <... write resumed>) = 18 [pid 6103] <... exit_group resumed>) = ? [pid 6102] +++ exited with 0 +++ [pid 6106] memfd_create("syzkaller", 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] <... memfd_create resumed>) = 3 [pid 6103] +++ exited with 0 +++ [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6106] <... mmap resumed>) = 0x7f4090200000 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6105] <... write resumed>) = 524288 [pid 6107] <... openat resumed>) = 3 [pid 6106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6104] <... write resumed>) = 524288 [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6108 attached [pid 6107] write(3, "1000", 4 [pid 6105] munmap(0x7f4090200000, 138412032 [pid 6104] munmap(0x7f4090200000, 138412032 [pid 6108] set_robust_list(0x55556a297660, 24 [pid 6107] <... write resumed>) = 4 [pid 6104] <... munmap resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6108 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] close(3 [pid 6106] <... write resumed>) = 524288 [pid 6105] <... munmap resumed>) = 0 [pid 6107] <... close resumed>) = 0 [pid 6105] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6104] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] write(1, "executing program\n", 18executing program [pid 6106] munmap(0x7f4090200000, 138412032 [pid 6105] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6107] <... write resumed>) = 18 [pid 6105] close(3 [pid 6104] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] <... prctl resumed>) = 0 [pid 6107] memfd_create("syzkaller", 0 [pid 6106] <... munmap resumed>) = 0 [pid 6104] close(3 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6108] setpgid(0, 0./strace-static-x86_64: Process 6109 attached ) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6108] <... openat resumed>) = 3 [pid 6106] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6104] <... close resumed>) = 0 [pid 6107] <... memfd_create resumed>) = 3 [pid 6106] close(3 [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6109 [pid 6109] set_robust_list(0x55556a297660, 24 [pid 6108] write(3, "1000", 4 [pid 6107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6105] <... close resumed>) = 0 [pid 6104] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6109] <... set_robust_list resumed>) = 0 [pid 6108] <... write resumed>) = 4 [pid 6107] <... mmap resumed>) = 0x7f4090200000 [pid 6105] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] close(3 [pid 6106] <... close resumed>) = 0 [pid 6109] <... prctl resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 6107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6106] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6105] <... openat resumed>) = 3 [pid 6104] <... openat resumed>) = 3 [pid 6109] setpgid(0, 0 [pid 6108] write(1, "executing program\n", 18executing program [pid 6106] <... openat resumed>) = 3 [pid 6105] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6104] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6109] <... setpgid resumed>) = 0 [pid 6108] <... write resumed>) = 18 [pid 6106] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6105] <... ioctl resumed>) = 0 [pid 6104] <... ioctl resumed>) = 0 [pid 6108] memfd_create("syzkaller", 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] <... ioctl resumed>) = 0 [pid 6105] exit_group(0 [pid 6104] exit_group(0 [pid 6109] <... openat resumed>) = 3 [pid 6108] <... memfd_create resumed>) = 3 [pid 6106] exit_group(0 [pid 6105] <... exit_group resumed>) = ? [pid 6104] <... exit_group resumed>) = ? [pid 6109] write(3, "1000", 4 [pid 6108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6107] <... write resumed>) = 524288 [pid 6106] <... exit_group resumed>) = ? [pid 6105] +++ exited with 0 +++ [pid 6109] <... write resumed>) = 4 [pid 6109] close(3 [pid 6108] <... mmap resumed>) = 0x7f4090200000 [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6109] <... close resumed>) = 0 executing program [pid 6107] munmap(0x7f4090200000, 138412032 [pid 6104] +++ exited with 0 +++ [pid 6106] +++ exited with 0 +++ [pid 5846] restart_syscall(<... resuming interrupted clone ...> [pid 6109] write(1, "executing program\n", 18 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6109] <... write resumed>) = 18 [pid 6107] <... munmap resumed>) = 0 [pid 5846] <... restart_syscall resumed>) = 0 [pid 6109] memfd_create("syzkaller", 0 [pid 6108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5855] restart_syscall(<... resuming interrupted clone ...> [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6109] <... memfd_create resumed>) = 3 [pid 6109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6107] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6109] <... mmap resumed>) = 0x7f4090200000 [pid 6107] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] <... restart_syscall resumed>) = 0 [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6107] close(3 [pid 6108] <... write resumed>) = 524288 [pid 5849] <... restart_syscall resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] <... close resumed>) = 0 ./strace-static-x86_64: Process 6110 attached [pid 6109] <... write resumed>) = 524288 [pid 6108] munmap(0x7f4090200000, 138412032 [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6110] set_robust_list(0x55556a297660, 24 [pid 6109] munmap(0x7f4090200000, 138412032 [pid 6107] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] <... munmap resumed>) = 0 [pid 6107] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6111 attached [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] <... munmap resumed>) = 0 [pid 6110] <... prctl resumed>) = 0 [pid 6107] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096./strace-static-x86_64: Process 6112 attached [pid 6111] set_robust_list(0x55556a297660, 24 [pid 6110] setpgid(0, 0 [pid 6109] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6108] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6107] <... ioctl resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6110 [pid 6112] set_robust_list(0x55556a297660, 24 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] <... setpgid resumed>) = 0 [pid 6108] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6107] exit_group(0 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6111 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6112 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6109] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6108] close(3 [pid 6110] <... openat resumed>) = 3 [pid 6107] <... exit_group resumed>) = ? [pid 6107] +++ exited with 0 +++ [pid 6110] write(3, "1000", 4 [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... prctl resumed>) = 0 [pid 6110] <... write resumed>) = 4 [pid 6109] close(3 [pid 6108] <... close resumed>) = 0 [pid 6112] <... prctl resumed>) = 0 [pid 6111] setpgid(0, 0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6112] setpgid(0, 0 [pid 6111] <... setpgid resumed>) = 0 [pid 6110] close(3 [pid 6109] <... close resumed>) = 0 [pid 6108] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6112] <... setpgid resumed>) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6110] <... close resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6108] <... openat resumed>) = 3 [pid 6108] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6111] <... openat resumed>) = 3 [pid 6110] write(1, "executing program\n", 18 [pid 6109] <... openat resumed>) = 3 [pid 6108] <... ioctl resumed>) = 0 [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6112] <... openat resumed>) = 3 [pid 6111] write(3, "1000", 4 [pid 6110] <... write resumed>) = 18 [pid 6109] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6108] exit_group(0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] write(3, "1000", 4 [pid 6111] <... write resumed>) = 4 [pid 6110] memfd_create("syzkaller", 0 [pid 6109] <... ioctl resumed>) = 0 [pid 6108] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6113 attached [pid 6112] <... write resumed>) = 4 [pid 6109] exit_group(0 [pid 6113] set_robust_list(0x55556a297660, 24 [pid 6112] close(3 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6112] <... close resumed>) = 0 [pid 6109] <... exit_group resumed>) = ? [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6113 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6112] write(1, "executing program\n", 18 [pid 6111] close(3 [pid 6110] <... memfd_create resumed>) = 3 [pid 6108] +++ exited with 0 +++ executing program [pid 6113] <... prctl resumed>) = 0 [pid 6112] <... write resumed>) = 18 [pid 6111] <... close resumed>) = 0 [pid 6110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6113] setpgid(0, 0 [pid 6112] memfd_create("syzkaller", 0 [pid 6111] write(1, "executing program\n", 18 [pid 6110] <... mmap resumed>) = 0x7f4090200000 [pid 6113] <... setpgid resumed>) = 0 [pid 6112] <... memfd_create resumed>) = 3 [pid 5851] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6111] <... write resumed>) = 18 [pid 6109] +++ exited with 0 +++ [pid 6112] <... mmap resumed>) = 0x7f4090200000 [pid 6111] memfd_create("syzkaller", 0) = 3 [pid 5847] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6113] <... openat resumed>) = 3 [pid 5847] restart_syscall(<... resuming interrupted clone ...> [pid 6113] write(3, "1000", 4) = 4 [pid 6113] close(3) = 0 executing program [pid 6113] write(1, "executing program\n", 18) = 18 [pid 6113] memfd_create("syzkaller", 0 [pid 6111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6113] <... memfd_create resumed>) = 3 [pid 6111] <... mmap resumed>) = 0x7f4090200000 [pid 5851] <... restart_syscall resumed>) = 0 [pid 6113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4090200000 [pid 6113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5847] <... restart_syscall resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6114 attached [pid 5847] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5851] <... clone resumed>, child_tidptr=0x55556a297650) = 6114 [pid 6114] set_robust_list(0x55556a297660, 24) = 0 [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6114] setpgid(0, 0) = 0 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6113] <... write resumed>) = 524288 [pid 6112] <... write resumed>) = 524288 [pid 6111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6110] <... write resumed>) = 524288 [pid 5847] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6113] munmap(0x7f4090200000, 138412032 [pid 6112] munmap(0x7f4090200000, 138412032 [pid 6110] munmap(0x7f4090200000, 138412032 [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] write(3, "1000", 4 [pid 6113] <... munmap resumed>) = 0 [pid 6112] <... munmap resumed>) = 0 [pid 6110] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6115 attached [pid 6114] <... write resumed>) = 4 [pid 6113] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6112] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6111] <... write resumed>) = 524288 [pid 6110] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5847] <... clone resumed>, child_tidptr=0x55556a297650) = 6115 [pid 6115] set_robust_list(0x55556a297660, 24 [pid 6114] close(3 [pid 6113] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] munmap(0x7f4090200000, 138412032 [pid 6110] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6115] <... set_robust_list resumed>) = 0 [pid 6114] <... close resumed>) = 0 [pid 6113] close(3 [pid 6112] close(3 [pid 6111] <... munmap resumed>) = 0 executing program [pid 6110] close(3 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] write(1, "executing program\n", 18 [pid 6113] <... close resumed>) = 0 [pid 6114] <... write resumed>) = 18 [pid 6115] <... prctl resumed>) = 0 [pid 6114] memfd_create("syzkaller", 0 [pid 6115] setpgid(0, 0 [pid 6114] <... memfd_create resumed>) = 3 [pid 6111] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6115] <... setpgid resumed>) = 0 [pid 6111] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6111] close(3 [pid 6110] <... close resumed>) = 0 [pid 6114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6115] <... openat resumed>) = 3 [pid 6114] <... mmap resumed>) = 0x7f4090200000 [pid 6113] openat(AT_FDCWD, "/dev/loop4", O_RDONLY) = 3 [pid 6115] write(3, "1000", 4 [pid 6114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6113] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6112] <... close resumed>) = 0 [pid 6110] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6115] <... write resumed>) = 4 [pid 6113] <... ioctl resumed>) = 0 [pid 6115] close(3 [pid 6113] exit_group(0 [pid 6111] <... close resumed>) = 0 [pid 6115] <... close resumed>) = 0 [pid 6113] <... exit_group resumed>) = ? [pid 6115] write(1, "executing program\n", 18 [pid 6114] <... write resumed>) = 524288 executing program [pid 6115] <... write resumed>) = 18 [pid 6115] memfd_create("syzkaller", 0 [pid 6114] munmap(0x7f4090200000, 138412032 [pid 6112] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6110] <... openat resumed>) = 3 [pid 6115] <... memfd_create resumed>) = 3 [pid 6112] <... openat resumed>) = 3 [pid 6111] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 6115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6112] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6111] <... openat resumed>) = 3 [pid 6110] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6115] <... mmap resumed>) = 0x7f4090200000 [pid 6114] <... munmap resumed>) = 0 [pid 6113] +++ exited with 0 +++ [pid 6112] <... ioctl resumed>) = 0 [pid 6111] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6110] <... ioctl resumed>) = 0 [pid 6112] exit_group(0 [pid 6111] <... ioctl resumed>) = 0 [pid 6110] exit_group(0 [pid 5848] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6114] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6112] <... exit_group resumed>) = ? [pid 6111] exit_group(0 [pid 6110] <... exit_group resumed>) = ? [pid 5848] restart_syscall(<... resuming interrupted clone ...> [pid 6114] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6111] <... exit_group resumed>) = ? [pid 5848] <... restart_syscall resumed>) = 0 [pid 6114] close(3 [pid 6112] +++ exited with 0 +++ [pid 5849] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] restart_syscall(<... resuming interrupted clone ...> [pid 6111] +++ exited with 0 +++ [pid 6110] +++ exited with 0 +++ [pid 5849] <... restart_syscall resumed>) = 0 [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5855] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6117 attached ./strace-static-x86_64: Process 6116 attached [pid 6115] <... write resumed>) = 524288 [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6118 attached [pid 6117] set_robust_list(0x55556a297660, 24) = 0 [pid 6116] set_robust_list(0x55556a297660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x55556a297650) = 6116 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6114] <... close resumed>) = 0 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6119 attached [pid 6118] set_robust_list(0x55556a297660, 24 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] munmap(0x7f4090200000, 138412032 [pid 6114] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5848] <... clone resumed>, child_tidptr=0x55556a297650) = 6117 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] <... prctl resumed>) = 0 [pid 6114] <... openat resumed>) = 3 [pid 6119] set_robust_list(0x55556a297660, 24 [pid 5855] <... clone resumed>, child_tidptr=0x55556a297650) = 6118 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] setpgid(0, 0 [pid 6116] <... prctl resumed>) = 0 [pid 6114] ioctl(3, LOOP_SET_BLOCK_SIZE, 4096 [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] <... prctl resumed>) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6116] setpgid(0, 0 [pid 6115] <... munmap resumed>) = 0 [pid 6114] <... ioctl resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55556a297650) = 6119 [pid 6119] <... prctl resumed>) = 0 [pid 6118] setpgid(0, 0 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] exit_group(0 [pid 6119] setpgid(0, 0 [pid 6114] <... exit_group resumed>) = ? [pid 6116] <... setpgid resumed>) = 0 [pid 6119] <... setpgid resumed>) = 0 [pid 6118] <... setpgid resumed>) = 0 [pid 6117] <... openat resumed>) = 3 [pid 6115] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6114] +++ exited with 0 +++ [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] restart_syscall(<... resuming interrupted clone ...> [pid 6115] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6115] close(3 [pid 6119] <... openat resumed>) = 3 [ 78.531226][ T12] ================================================================== [ 78.539305][ T12] BUG: KASAN: slab-out-of-bounds in copy_page_from_iter_atomic+0x92c/0x1f40 [ 78.548005][ T12] Read of size 1024 at addr ffff888033081c00 by task kworker/u8:1/12 [ 78.556065][ T12] [ 78.558389][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.12.0-rc6-syzkaller-00099-g7758b206117d #0 [ 78.569067][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.579125][ T12] Workqueue: loop4 loop_rootcg_workfn [ 78.584532][ T12] Call Trace: [ 78.587810][ T12] [ 78.590745][ T12] dump_stack_lvl+0x241/0x360 [ 78.595444][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.600659][ T12] ? __pfx__printk+0x10/0x10 [ 78.605259][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.610902][ T12] ? _printk+0xd5/0x120 [ 78.615067][ T12] ? __virt_addr_valid+0x183/0x530 [ 78.620181][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.625847][ T12] print_report+0x169/0x550 [ 78.630368][ T12] ? __virt_addr_valid+0x183/0x530 [ 78.635486][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.641129][ T12] ? __virt_addr_valid+0x45f/0x530 [ 78.646242][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.651891][ T12] ? __phys_addr+0xba/0x170 [ 78.656420][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 78.662762][ T12] kasan_report+0x143/0x180 [ 78.667275][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 78.673269][ T12] kasan_check_range+0x282/0x290 [ 78.678212][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 78.684206][ T12] __asan_memcpy+0x29/0x70 [ 78.688630][ T12] copy_page_from_iter_atomic+0x92c/0x1f40 [ 78.694463][ T12] ? __pfx_copy_page_from_iter_atomic+0x10/0x10 [ 78.700716][ T12] ? shmem_write_begin+0x214/0x460 [ 78.705838][ T12] ? __pfx_shmem_write_begin+0x10/0x10 [ 78.711307][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.716955][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.722601][ T12] generic_perform_write+0x45d/0x6d0 [ 78.727902][ T12] ? __pfx_generic_perform_write+0x10/0x10 [ 78.733713][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.739354][ T12] ? preempt_count_add+0x93/0x190 [ 78.744391][ T12] ? mnt_put_write_access_file+0xb8/0x100 [ 78.750126][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.755772][ T12] ? file_update_time+0x3be/0x430 [ 78.760854][ T12] shmem_file_write_iter+0xf9/0x120 [ 78.766268][ T12] do_iter_readv_writev+0x602/0x880 [ 78.771471][ T12] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 78.777223][ T12] ? rcu_read_lock_any_held+0xb7/0x160 [ 78.782699][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.788357][ T12] vfs_iter_write+0x23e/0x600 [ 78.793043][ T12] loop_process_work+0x1435/0x2170 [ 78.798163][ T12] ? __pfx_validate_chain+0x10/0x10 [ 78.803374][ T12] ? __pfx_loop_process_work+0x10/0x10 [ 78.808862][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.814508][ T12] ? register_lock_class+0x102/0x980 [ 78.819811][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.825456][ T12] ? __pfx_register_lock_class+0x10/0x10 [ 78.831106][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.836784][ T12] ? mark_lock+0x9a/0x360 [ 78.841114][ T12] ? debug_object_deactivate+0x2d5/0x390 [ 78.846763][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.852409][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 78.857445][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 78.863088][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.869082][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.875428][ T12] ? process_scheduled_works+0x976/0x1850 [ 78.881162][ T12] process_scheduled_works+0xa65/0x1850 [ 78.886766][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 78.892772][ T12] ? assign_work+0x364/0x3d0 [ 78.897373][ T12] worker_thread+0x870/0xd30 [ 78.901984][ T12] ? __kthread_parkme+0x169/0x1d0 [ 78.907022][ T12] ? __pfx_worker_thread+0x10/0x10 [ 78.912147][ T12] kthread+0x2f2/0x390 [ 78.916215][ T12] ? __pfx_worker_thread+0x10/0x10 [ 78.921340][ T12] ? __pfx_kthread+0x10/0x10 [ 78.925935][ T12] ret_from_fork+0x4d/0x80 [ 78.930364][ T12] ? __pfx_kthread+0x10/0x10 [ 78.934957][ T12] ret_from_fork_asm+0x1a/0x30 [ 78.939741][ T12] [ 78.942752][ T12] [ 78.945066][ T12] Allocated by task 5879: [ 78.949386][ T12] kasan_save_track+0x3f/0x80 [ 78.954063][ T12] __kasan_kmalloc+0x98/0xb0 [ 78.958655][ T12] __kmalloc_noprof+0x1fc/0x400 [ 78.963514][ T12] hfsplus_read_wrapper+0x465/0x12d0 [ 78.968811][ T12] hfsplus_fill_super+0x38e/0x1ca0 [ 78.973925][ T12] mount_bdev+0x20c/0x2d0 [ 78.978252][ T12] legacy_get_tree+0xf0/0x190 [ 78.982954][ T12] vfs_get_tree+0x92/0x2b0 [ 78.987372][ T12] do_new_mount+0x2be/0xb40 [ 78.991879][ T12] __se_sys_mount+0x2d6/0x3c0 [ 78.996558][ T12] do_syscall_64+0xf3/0x230 [ 79.001068][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.006977][ T12] [ 79.009295][ T12] The buggy address belongs to the object at ffff888033081c00 [ 79.009295][ T12] which belongs to the cache kmalloc-512 of size 512 [ 79.023350][ T12] The buggy address is located 0 bytes inside of [ 79.023350][ T12] allocated 512-byte region [ffff888033081c00, ffff888033081e00) [ 79.037320][ T12] [ 79.039635][ T12] The buggy address belongs to the physical page: [ 79.046057][ T12] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33080 [ 79.054815][ T12] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 79.063310][ T12] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 79.070850][ T12] page_type: f5(slab) [ 79.074834][ T12] raw: 00fff00000000040 ffff88801ac41c80 ffffea0001f67d00 0000000000000002 [ 79.083429][ T12] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 79.092018][ T12] head: 00fff00000000040 ffff88801ac41c80 ffffea0001f67d00 0000000000000002 [ 79.100706][ T12] head: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 79.109376][ T12] head: 00fff00000000002 ffffea0000cc2001 ffffffffffffffff 0000000000000000 [ 79.118224][ T12] head: ffff888000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 79.126896][ T12] page dumped because: kasan: bad access detected [ 79.133307][ T12] page_owner tracks the page as allocated [ 79.139014][ T12] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5212, tgid 5212 (udevd), ts 40704198320, free_ts 40537959462 [ 79.159864][ T12] post_alloc_hook+0x1f3/0x230 [ 79.164668][ T12] get_page_from_freelist+0x303f/0x3190 [ 79.170223][ T12] __alloc_pages_noprof+0x292/0x710 [ 79.175454][ T12] alloc_pages_mpol_noprof+0x3e8/0x680 [ 79.180924][ T12] alloc_slab_page+0x6a/0x140 [ 79.186036][ T12] allocate_slab+0x5a/0x2f0 [ 79.190539][ T12] ___slab_alloc+0xcd1/0x14b0 [ 79.195231][ T12] __slab_alloc+0x58/0xa0 [ 79.199573][ T12] __kmalloc_cache_noprof+0x1d5/0x2c0 [ 79.204985][ T12] kernfs_fop_open+0x3e0/0xd10 [ 79.209755][ T12] do_dentry_open+0x97a/0x1460 [ 79.214525][ T12] vfs_open+0x3e/0x330 [ 79.218597][ T12] path_openat+0x2c84/0x3590 [ 79.223204][ T12] do_filp_open+0x235/0x490 [ 79.227719][ T12] do_sys_openat2+0x13e/0x1d0 [ 79.232412][ T12] __x64_sys_openat+0x247/0x2a0 [ 79.237272][ T12] page last free pid 5221 tgid 5221 stack trace: [ 79.243593][ T12] free_unref_page+0xcfb/0xf20 [ 79.248373][ T12] __slab_free+0x31b/0x3d0 [ 79.252882][ T12] qlist_free_all+0x9a/0x140 [ 79.257473][ T12] kasan_quarantine_reduce+0x14f/0x170 [ 79.263019][ T12] __kasan_slab_alloc+0x23/0x80 [ 79.267872][ T12] kmem_cache_alloc_noprof+0x135/0x2a0 [ 79.273341][ T12] getname_flags+0xb7/0x540 [ 79.277852][ T12] do_sys_openat2+0xd2/0x1d0 [ 79.282453][ T12] __x64_sys_openat+0x247/0x2a0 [ 79.287336][ T12] do_syscall_64+0xf3/0x230 [ 79.291849][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.297750][ T12] [ 79.300068][ T12] Memory state around the buggy address: [ 79.305693][ T12] ffff888033081d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.313752][ T12] ffff888033081d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.321811][ T12] >ffff888033081e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 79.329864][ T12] ^ [ 79.333930][ T12] ffff888033081e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 79.341989][ T12] ffff888033081f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 79.350070][ T12] ================================================================== [ 79.358668][ T12] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 79.365890][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.12.0-rc6-syzkaller-00099-g7758b206117d #0 [ 79.376589][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 79.386664][ T12] Workqueue: loop4 loop_rootcg_workfn [ 79.392059][ T12] Call Trace: [ 79.395333][ T12] [ 79.398279][ T12] dump_stack_lvl+0x241/0x360 [ 79.402987][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.408195][ T12] ? __pfx__printk+0x10/0x10 [ 79.412799][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.418442][ T12] ? vscnprintf+0x5d/0x90 [ 79.422785][ T12] panic+0x349/0x880 [ 79.426688][ T12] ? check_panic_on_warn+0x21/0xb0 [ 79.431803][ T12] ? __pfx_panic+0x10/0x10 [ 79.436232][ T12] ? mark_lock+0x9a/0x360 [ 79.440562][ T12] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 79.446457][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.452101][ T12] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 79.458020][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 79.464707][ T12] ? print_report+0x502/0x550 [ 79.469410][ T12] check_panic_on_warn+0x86/0xb0 [ 79.474357][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 79.480359][ T12] end_report+0x77/0x160 [ 79.484610][ T12] kasan_report+0x154/0x180 [ 79.489123][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 79.495124][ T12] kasan_check_range+0x282/0x290 [ 79.500080][ T12] ? copy_page_from_iter_atomic+0x92c/0x1f40 [ 79.506084][ T12] __asan_memcpy+0x29/0x70 [ 79.510518][ T12] copy_page_from_iter_atomic+0x92c/0x1f40 [ 79.516351][ T12] ? __pfx_copy_page_from_iter_atomic+0x10/0x10 [ 79.522610][ T12] ? shmem_write_begin+0x214/0x460 [ 79.527740][ T12] ? __pfx_shmem_write_begin+0x10/0x10 [ 79.533205][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.539301][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.544951][ T12] generic_perform_write+0x45d/0x6d0 [ 79.550251][ T12] ? __pfx_generic_perform_write+0x10/0x10 [ 79.556066][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.561710][ T12] ? preempt_count_add+0x93/0x190 [ 79.566750][ T12] ? mnt_put_write_access_file+0xb8/0x100 [ 79.572571][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.578244][ T12] ? file_update_time+0x3be/0x430 [ 79.583286][ T12] shmem_file_write_iter+0xf9/0x120 [ 79.588505][ T12] do_iter_readv_writev+0x602/0x880 [ 79.593823][ T12] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 79.599547][ T12] ? rcu_read_lock_any_held+0xb7/0x160 [ 79.605025][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.610679][ T12] vfs_iter_write+0x23e/0x600 [ 79.615365][ T12] loop_process_work+0x1435/0x2170 [ 79.620516][ T12] ? __pfx_validate_chain+0x10/0x10 [ 79.625731][ T12] ? __pfx_loop_process_work+0x10/0x10 [ 79.631204][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.636849][ T12] ? register_lock_class+0x102/0x980 [ 79.642156][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.647804][ T12] ? __pfx_register_lock_class+0x10/0x10 [ 79.653451][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.659102][ T12] ? mark_lock+0x9a/0x360 [ 79.663431][ T12] ? debug_object_deactivate+0x2d5/0x390 [ 79.669080][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.674905][ T12] ? __pfx_lock_acquire+0x10/0x10 [ 79.679944][ T12] ? srso_alias_return_thunk+0x5/0xfbef5 [ 79.685589][ T12] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.691591][ T12] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.697965][ T12] ? process_scheduled_works+0x976/0x1850 [ 79.703698][ T12] process_scheduled_works+0xa65/0x1850 [ 79.709353][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 79.715348][ T12] ? assign_work+0x364/0x3d0 [ 79.719956][ T12] worker_thread+0x870/0xd30 [ 79.724839][ T12] ? __kthread_parkme+0x169/0x1d0 [ 79.729877][ T12] ? __pfx_worker_thread+0x10/0x10 [ 79.735002][ T12] kthread+0x2f2/0x390 [ 79.739075][ T12] ? __pfx_worker_thread+0x10/0x10 [ 79.744225][ T12] ? __pfx_kthread+0x10/0x10 [ 79.748818][ T12] ret_from_fork+0x4d/0x80 [ 79.753252][ T12] ? __pfx_kthread+0x10/0x10 [ 79.757845][ T12] ret_from_fork_asm+0x1a/0x30 [ 79.762635][ T12] [ 79.765864][ T12] Kernel Offset: disabled [ 79.770178][ T12] Rebooting in 86400 seconds..