./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor101952002
<...>
Warning: Permanently added '10.128.1.45' (ED25519) to the list of known hosts.
execve("./syz-executor101952002", ["./syz-executor101952002"], 0x7fff7a42f680 /* 10 vars */) = 0
brk(NULL) = 0x555555646000
brk(0x555555646d00) = 0x555555646d00
arch_prctl(ARCH_SET_FS, 0x555555646380) = 0
set_tid_address(0x555555646650) = 5058
set_robust_list(0x555555646660, 24) = 0
rseq(0x555555646ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor101952002", 4096) = 27
getrandom("\xdd\xf4\xcb\x92\xef\xe6\x11\xd8", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555646d00
brk(0x555555667d00) = 0x555555667d00
brk(0x555555668000) = 0x555555668000
mprotect(0x7f08308de000, 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 5059 attached
, child_tidptr=0x555555646650) = 5059
[pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] set_robust_list(0x555555646660, 24) = 0
./strace-static-x86_64: Process 5060 attached
[pid 5058] <... clone resumed>, child_tidptr=0x555555646650) = 5060
[pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5061 attached
<unfinished ...>
[pid 5060] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5060] <... set_robust_list resumed>) = 0
[pid 5058] <... clone resumed>, child_tidptr=0x555555646650) = 5061
[pid 5061] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] <... set_robust_list resumed>) = 0
[pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5060] <... openat resumed>) = 3
[pid 5059] close(3 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5059] <... close resumed>) = 0
[pid 5061] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5062 attached
<unfinished ...>
[pid 5058] <... clone resumed>, child_tidptr=0x555555646650) = 5062
[pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5060] close(3) = 0
[pid 5062] <... set_robust_list resumed>) = 0
[pid 5061] <... close resumed>) = 0
./strace-static-x86_64: Process 5064 attached
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
./strace-static-x86_64: Process 5066 attached
./strace-static-x86_64: Process 5065 attached
<unfinished ...>
[pid 5058] <... clone resumed>, child_tidptr=0x555555646650) = 5065
[pid 5064] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5064
[pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5065] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5064] <... set_robust_list resumed>) = 0
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5067
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5066
[pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5068 attached
<unfinished ...>
[pid 5067] <... set_robust_list resumed>) = 0
[pid 5066] <... set_robust_list resumed>) = 0
[pid 5065] <... set_robust_list resumed>) = 0
[pid 5064] <... prctl resumed>) = 0
[pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5068] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5064] setpgid(0, 0 <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5067] <... prctl resumed>) = 0
[pid 5066] <... prctl resumed>) = 0
[pid 5064] <... setpgid resumed>) = 0
[pid 5062] <... close resumed>) = 0
[pid 5058] <... clone resumed>, child_tidptr=0x555555646650) = 5068
[pid 5067] setpgid(0, 0 <unfinished ...>
[pid 5066] setpgid(0, 0 <unfinished ...>
[pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5068] <... set_robust_list resumed>) = 0
[pid 5067] <... setpgid resumed>) = 0
[pid 5066] <... setpgid resumed>) = 0
[pid 5065] <... openat resumed>) = 3
[pid 5064] <... openat resumed>) = 3
[pid 5064] write(3, "1000", 4 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5064] <... write resumed>) = 4
[pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5066] <... openat resumed>) = 3
[pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5064] close(3./strace-static-x86_64: Process 5069 attached
<unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5067] <... openat resumed>) = 3
[pid 5066] write(3, "1000", 4 <unfinished ...>
[pid 5065] close(3 <unfinished ...>
[pid 5064] <... close resumed>) = 0
[pid 5069] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5067] write(3, "1000", 4 <unfinished ...>
[pid 5066] <... write resumed>) = 4
[pid 5065] <... close resumed>) = 0
[pid 5064] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5069
[pid 5069] <... set_robust_list resumed>) = 0
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] <... write resumed>) = 4
[pid 5066] close(3 <unfinished ...>
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5064] <... openat resumed>) = 3
[pid 5066] <... close resumed>) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5070 attached
<unfinished ...>
[pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5067] <... close resumed>) = 0
[pid 5064] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5069] <... prctl resumed>) = 0
[pid 5068] close(3 <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5070
[pid 5069] setpgid(0, 0 <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5069] <... setpgid resumed>) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5066] <... openat resumed>) = 3
[pid 5070] <... set_robust_list resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5071 attached
<unfinished ...>
[pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5067] <... openat resumed>) = 4
[pid 5066] <... openat resumed>) = 4
[pid 5064] <... openat resumed>) = 4
[pid 5070] <... prctl resumed>) = 0
[pid 5066] sendfile(4, 3, [122] <unfinished ...>
[pid 5071] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5070] setpgid(0, 0 <unfinished ...>
[pid 5069] <... openat resumed>) = 3
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5071
[pid 5067] sendfile(4, 3, [122] <unfinished ...>
[pid 5064] sendfile(4, 3, [122] <unfinished ...>
[pid 5071] <... set_robust_list resumed>) = 0
[pid 5070] <... setpgid resumed>) = 0
[pid 5069] write(3, "1000", 4 <unfinished ...>
[pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... prctl resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5069] <... write resumed>) = 4
[pid 5070] write(3, "1000", 4) = 4
[pid 5070] close(3) = 0
[pid 5070] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5070] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5070] sendfile(4, 3, [122] <unfinished ...>
[pid 5071] setpgid(0, 0 <unfinished ...>
[pid 5069] close(3 <unfinished ...>
[pid 5071] <... setpgid resumed>) = 0
[pid 5069] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5069] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5071] write(3, "1000", 4 <unfinished ...>
[pid 5069] <... openat resumed>) = 3
[pid 5069] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5071] <... write resumed>) = 4
[pid 5071] close(3) = 0
[pid 5071] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5069] <... openat resumed>) = 4
[pid 5071] <... openat resumed>) = 3
[pid 5069] sendfile(4, 3, [122] <unfinished ...>
[pid 5071] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 61.887941][ T5069] syz-executor101 (5069): drop_caches: 3
[ 62.179661][ T5067] syz-executor101 (5067): drop_caches: 3
[ 62.224991][ T5069] syz-executor101 (5069): drop_caches: 3
[ 62.255838][ T5070] syz-executor101 (5070): drop_caches: 3
[pid 5071] sendfile(4, 3, [122] <unfinished ...>
[pid 5069] <... sendfile resumed> => [640], 571) = 518
[pid 5069] memfd_create("syzkaller", 0) = 5
[ 62.272728][ T5071] syz-executor101 (5071): drop_caches: 3
[pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5069] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5069] munmap(0x7f082840d000, 138412032) = 0
[ 62.463618][ T5066] syz-executor101 (5066): drop_caches: 3
[ 62.482755][ T5067] syz-executor101 (5067): drop_caches: 3
[pid 5069] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5069] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5067] <... sendfile resumed> => [640], 571) = 518
[pid 5069] <... ioctl resumed>) = 0
[pid 5069] close(5) = 0
[pid 5067] memfd_create("syzkaller", 0) = 5
[pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5069] mkdir("./file0", 0777 <unfinished ...>
[pid 5067] <... mmap resumed>) = 0x7f082840d000
[ 62.506918][ T5069] loop3: detected capacity change from 0 to 4096
[pid 5069] <... mkdir resumed>) = 0
[pid 5070] <... sendfile resumed> => [640], 571) = 518
[pid 5069] mount("/dev/loop3", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5070] memfd_create("syzkaller", 0 <unfinished ...>
[ 62.574908][ T5070] syz-executor101 (5070): drop_caches: 3
[ 62.584787][ T5069] ntfs: (device loop3): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
[ 62.585963][ T5064] syz-executor101 (5064): drop_caches: 3
[pid 5067] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5070] <... memfd_create resumed>) = 5
[pid 5067] <... write resumed>) = 2097152
[pid 5067] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5067] <... munmap resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5067] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[ 62.636994][ T5069] ntfs: (device loop3): read_ntfs_boot_sector(): Primary boot sector is invalid.
[ 62.648744][ T5069] ntfs: (device loop3): read_ntfs_boot_sector(): Hot-fix: Recovering invalid primary boot sector from backup copy.
[pid 5070] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5067] close(5) = 0
[ 62.691325][ T5067] loop2: detected capacity change from 0 to 4096
[ 62.700411][ T5069] ntfs: (device loop3): ntfs_mapping_pairs_decompress(): Corrupt attribute.
[ 62.716784][ T5069] ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
[pid 5067] mkdir("./file0", 0777) = -1 EEXIST (File exists)
[pid 5067] mount("/dev/loop2", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5070] <... write resumed>) = 2097152
[ 62.725489][ T5067] ntfs: (device loop2): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
[ 62.761282][ T5069] ntfs: (device loop3): ntfs_mapping_pairs_decompress(): Corrupt attribute.
[ 62.770132][ T5069] ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x0, offset 0x200 because its location on disk could not be determined even after retrying (error code -5).
[pid 5070] munmap(0x7f082840d000, 138412032) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5070] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5069] <... mount resumed>) = 0
[pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid 5069] chdir("./file0") = 0
[pid 5069] ioctl(6, LOOP_CLR_FD) = 0
[pid 5070] <... ioctl resumed>) = 0
[pid 5069] close(6 <unfinished ...>
[pid 5070] close(5 <unfinished ...>
[pid 5069] <... close resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5070] mkdir("./file0", 0777) = -1 EEXIST (File exists)
[pid 5070] mount("/dev/loop4", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6
[ 62.790889][ T5069] ntfs: (device loop3): ntfs_mapping_pairs_decompress(): Corrupt attribute.
[ 62.803056][ T5069] ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x1, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
[ 62.816550][ T5067] ntfs: volume version 3.1.
[ 62.826023][ T5069] ntfs: volume version 3.1.
[ 62.831597][ T5070] loop4: detected capacity change from 0 to 4096
[pid 5069] write(6, "t", 1) = 1
[pid 5069] exit_group(0) = ?
[pid 5069] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=35 /* 0.35 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5073
./strace-static-x86_64: Process 5073 attached
[pid 5073] set_robust_list(0x555555646660, 24) = 0
[pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5073] setpgid(0, 0) = 0
[pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5067] <... mount resumed>) = 0
[pid 5073] <... openat resumed>) = 3
[pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] write(3, "1000", 4 <unfinished ...>
[pid 5067] <... openat resumed>) = 5
[pid 5067] chdir("./file0") = 0
[ 62.878197][ T5070] ntfs: volume version 3.1.
[pid 5067] ioctl(6, LOOP_CLR_FD) = 0
[pid 5073] <... write resumed>) = 4
[pid 5073] close(3) = 0
[pid 5067] close(6) = 0
[pid 5073] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5073] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5067] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5073] <... openat resumed>) = 4
[pid 5073] sendfile(4, 3, [122] <unfinished ...>
[pid 5064] <... sendfile resumed> => [640], 571) = 518
[pid 5064] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] <... sendfile resumed> => [640], 571) = 518
[pid 5070] <... mount resumed>) = 0
[pid 5067] <... openat resumed>) = 6
[pid 5066] <... sendfile resumed> => [640], 571) = 518
[pid 5064] <... memfd_create resumed>) = 5
[pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5066] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] <... openat resumed>) = 5
[pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] chdir("./file0" <unfinished ...>
[pid 5067] write(6, "t", 1 <unfinished ...>
[pid 5066] <... memfd_create resumed>) = 5
[pid 5071] <... memfd_create resumed>) = 5
[pid 5070] <... chdir resumed>) = 0
[pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5064] <... mmap resumed>) = 0x7f082840d000
[pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] ioctl(6, LOOP_CLR_FD <unfinished ...>
[ 62.911463][ T5066] syz-executor101 (5066): drop_caches: 3
[ 62.912534][ T5071] syz-executor101 (5071): drop_caches: 3
[ 62.928389][ T5064] syz-executor101 (5064): drop_caches: 3
[pid 5066] <... mmap resumed>) = 0x7f082840d000
[pid 5070] <... ioctl resumed>) = 0
[pid 5067] <... write resumed>) = 1
[pid 5067] exit_group(0) = ?
[pid 5067] +++ exited with 0 +++
[pid 5071] <... mmap resumed>) = 0x7f082840d000
[pid 5070] close(6 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} ---
[pid 5070] <... close resumed>) = 0
[pid 5070] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] <... openat resumed>) = 6
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5064] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5071] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5070] write(6, "t", 1 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... write resumed>) = 1
[pid 5070] exit_group(0./strace-static-x86_64: Process 5074 attached
) = ?
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5074
[pid 5070] +++ exited with 0 +++
[pid 5074] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=42 /* 0.42 s */} ---
[pid 5065] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5074] <... set_robust_list resumed>) = 0
[pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5065] <... restart_syscall resumed>) = 0
[pid 5074] <... prctl resumed>) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5074] setpgid(0, 0 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... setpgid resumed>) = 0
[pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5065] close(3) = 0
[pid 5074] <... openat resumed>) = 3
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
<unfinished ...>
[pid 5074] write(3, "1000", 4 <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5075
[pid 5074] <... write resumed>) = 4
[pid 5074] close(3 <unfinished ...>
[pid 5075] set_robust_list(0x555555646660, 24) = 0
[pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] setpgid(0, 0) = 0
[pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5075] <... openat resumed>) = 3
[pid 5066] <... write resumed>) = 2097152
[pid 5075] write(3, "1000", 4 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5075] <... write resumed>) = 4
[pid 5075] close(3 <unfinished ...>
[pid 5074] <... openat resumed>) = 3
[pid 5075] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5066] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5075] <... openat resumed>) = 3
[pid 5074] <... openat resumed>) = 4
[pid 5075] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5074] sendfile(4, 3, [122] <unfinished ...>
[pid 5066] <... munmap resumed>) = 0
[pid 5075] <... openat resumed>) = 4
[pid 5075] sendfile(4, 3, [122] <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5066] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5064] <... write resumed>) = 2097152
[pid 5066] <... ioctl resumed>) = 0
[pid 5066] close(5) = 0
[pid 5066] mkdir("./file0", 0777) = -1 EEXIST (File exists)
[pid 5071] <... write resumed>) = 2097152
[pid 5066] mount("/dev/loop1", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5064] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5071] munmap(0x7f082840d000, 138412032) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5064] <... munmap resumed>) = 0
[pid 5071] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[ 63.115979][ T5066] loop1: detected capacity change from 0 to 4096
[ 63.146396][ T5073] syz-executor101 (5073): drop_caches: 3
[pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5064] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5071] <... ioctl resumed>) = 0
[pid 5071] close(5) = 0
[pid 5064] <... ioctl resumed>) = 0
[pid 5064] close(5 <unfinished ...>
[pid 5071] mkdir("./file0", 0777 <unfinished ...>
[pid 5064] <... close resumed>) = 0
[pid 5071] <... mkdir resumed>) = -1 EEXIST (File exists)
[pid 5064] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] mount("/dev/loop5", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5064] <... mkdir resumed>) = -1 EEXIST (File exists)
[pid 5064] mount("/dev/loop0", "./file0", "ntfs", 0, "errors=continue,errors=recover,utf8,errors=recover,fmask=00000000000000000000377,dmask=0000000000400"... <unfinished ...>
[pid 5066] <... mount resumed>) = 0
[pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid 5066] chdir("./file0") = 0
[pid 5066] ioctl(6, LOOP_CLR_FD) = 0
[ 63.165783][ T5071] loop5: detected capacity change from 0 to 4096
[ 63.169981][ T5066] ntfs: volume version 3.1.
[ 63.179311][ T5064] loop0: detected capacity change from 0 to 4096
[pid 5066] close(6) = 0
[pid 5066] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6
[pid 5066] write(6, "t", 1) = 1
[pid 5066] exit_group(0) = ?
[pid 5066] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} ---
[pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
<unfinished ...>
[pid 5076] set_robust_list(0x555555646660, 24) = 0
[pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5076] setpgid(0, 0 <unfinished ...>
[pid 5071] <... mount resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5076
[pid 5071] <... openat resumed>) = 5
[ 63.244220][ T5071] ntfs: volume version 3.1.
[ 63.255519][ T5064] ntfs: volume version 3.1.
[pid 5071] chdir("./file0" <unfinished ...>
[pid 5076] <... setpgid resumed>) = 0
[pid 5071] <... chdir resumed>) = 0
[pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5064] <... mount resumed>) = 0
[pid 5076] write(3, "1000", 4 <unfinished ...>
[pid 5071] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5076] <... write resumed>) = 4
[pid 5076] close(3 <unfinished ...>
[pid 5071] <... ioctl resumed>) = 0
[pid 5076] <... close resumed>) = 0
[pid 5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5071] close(6 <unfinished ...>
[pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5076] <... openat resumed>) = 3
[pid 5071] <... close resumed>) = 0
[pid 5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5064] <... openat resumed>) = 5
[pid 5076] <... openat resumed>) = 4
[pid 5076] sendfile(4, 3, [122] <unfinished ...>
[pid 5064] chdir("./file0") = 0
[pid 5064] ioctl(6, LOOP_CLR_FD) = 0
[pid 5064] close(6) = 0
[pid 5064] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5071] <... openat resumed>) = 6
[pid 5071] write(6, "t", 1 <unfinished ...>
[pid 5064] <... openat resumed>) = 6
[ 63.357129][ T5074] syz-executor101 (5074): drop_caches: 3
[ 63.380602][ T5073] syz-executor101 (5073): drop_caches: 3
[pid 5064] write(6, "t", 1 <unfinished ...>
[pid 5073] <... sendfile resumed> => [693], 571) = 571
[pid 5071] <... write resumed>) = 1
[pid 5064] <... write resumed>) = 1
[pid 5073] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] exit_group(0 <unfinished ...>
[pid 5064] exit_group(0 <unfinished ...>
[pid 5073] <... memfd_create resumed>) = 5
[pid 5064] <... exit_group resumed>) = ?
[pid 5064] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} ---
[pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... exit_group resumed>) = ?
[pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3 <unfinished ...>
[pid 5073] <... mmap resumed>) = 0x7f082840d000
[pid 5059] <... close resumed>) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
<unfinished ...>
[pid 5071] +++ exited with 0 +++
[pid 5077] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} ---
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5077
[pid 5077] <... set_robust_list resumed>) = 0
[pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5077] setpgid(0, 0 <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5077] <... setpgid resumed>) = 0
[pid 5068] <... close resumed>) = 0
[pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5077] <... openat resumed>) = 3
./strace-static-x86_64: Process 5078 attached
[ 63.423334][ T5075] syz-executor101 (5075): drop_caches: 3
[pid 5077] write(3, "1000", 4 <unfinished ...>
[pid 5078] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5077] <... write resumed>) = 4
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5078
[pid 5077] close(3 <unfinished ...>
[pid 5078] <... set_robust_list resumed>) = 0
[pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5077] <... close resumed>) = 0
[pid 5078] setpgid(0, 0) = 0
[pid 5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5077] <... openat resumed>) = 3
[pid 5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5078] <... openat resumed>) = 3
[pid 5078] write(3, "1000", 4 <unfinished ...>
[pid 5077] sendfile(4, 3, [122] <unfinished ...>
[pid 5078] <... write resumed>) = 4
[pid 5078] close(3) = 0
[pid 5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5078] sendfile(4, 3, [122] <unfinished ...>
[pid 5073] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5073] munmap(0x7f082840d000, 138412032) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5073] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5073] ioctl(6, LOOP_CLR_FD) = 0
[pid 5073] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5074] <... sendfile resumed> => [693], 571) = 571
[pid 5074] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5073] close(6 <unfinished ...>
[pid 5074] <... memfd_create resumed>) = 5
[pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[ 63.666412][ T5074] syz-executor101 (5074): drop_caches: 3
[ 63.669022][ T5076] syz-executor101 (5076): drop_caches: 3
[pid 5074] <... mmap resumed>) = 0x7f082840d000
[pid 5073] close(5 <unfinished ...>
[pid 5075] <... sendfile resumed> => [693], 571) = 571
[pid 5075] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5074] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5075] <... memfd_create resumed>) = 5
[ 63.735983][ T5075] syz-executor101 (5075): drop_caches: 3
[pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5073] <... openat resumed>) = 5
[ 63.796136][ T5078] syz-executor101 (5078): drop_caches: 3
[ 63.805802][ T5077] syz-executor101 (5077): drop_caches: 3
[pid 5073] write(5, "t", 1 <unfinished ...>
[pid 5074] <... write resumed>) = 2097152
[pid 5075] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5074] munmap(0x7f082840d000, 138412032) = 0
[pid 5073] <... write resumed>) = 1
[pid 5073] exit_group(0) = ?
[pid 5073] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5074] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5074] <... openat resumed>) = 6
[pid 5062] <... ioctl resumed>) = 0
[pid 5074] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5079
./strace-static-x86_64: Process 5079 attached
[pid 5074] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5079] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5074] <... ioctl resumed>) = 0
[pid 5079] <... set_robust_list resumed>) = 0
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5079] setpgid(0, 0) = 0
[pid 5074] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5076] <... sendfile resumed> => [693], 571) = 571
[pid 5074] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5074] close(6) = 0
[pid 5074] close(5 <unfinished ...>
[pid 5079] <... openat resumed>) = 3
[pid 5079] write(3, "1000", 4) = 4
[ 63.911366][ T5076] syz-executor101 (5076): drop_caches: 3
[pid 5079] close(3 <unfinished ...>
[pid 5076] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5075] <... write resumed>) = 2097152
[pid 5079] <... close resumed>) = 0
[pid 5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5076] <... memfd_create resumed>) = 5
[pid 5075] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5074] <... close resumed>) = 0
[pid 5079] <... openat resumed>) = 4
[pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5075] <... munmap resumed>) = 0
[pid 5079] sendfile(4, 3, [122] <unfinished ...>
[pid 5076] <... mmap resumed>) = 0x7f082840d000
[pid 5075] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5075] ioctl(6, LOOP_CLR_FD) = 0
[pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5075] close(6) = 0
[pid 5075] close(5 <unfinished ...>
[pid 5074] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5074] write(5, "t", 1 <unfinished ...>
[pid 5075] <... close resumed>) = 0
[pid 5075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5074] <... write resumed>) = 1
[pid 5074] exit_group(0 <unfinished ...>
[pid 5076] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5075] write(5, "t", 1 <unfinished ...>
[pid 5074] <... exit_group resumed>) = ?
[pid 5074] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5075] <... write resumed>) = 1
./strace-static-x86_64: Process 5080 attached
[pid 5075] exit_group(0 <unfinished ...>
[pid 5080] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5075] <... exit_group resumed>) = ?
[pid 5080] <... set_robust_list resumed>) = 0
[pid 5075] +++ exited with 0 +++
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} ---
[pid 5080] setpgid(0, 0 <unfinished ...>
[pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5080
[pid 5065] close(3 <unfinished ...>
[pid 5080] <... setpgid resumed>) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5065] <... close resumed>) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5080] write(3, "1000", 4./strace-static-x86_64: Process 5081 attached
<unfinished ...>
[pid 5081] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5080] <... write resumed>) = 4
[pid 5076] <... write resumed>) = 2097152
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5081
[pid 5081] <... set_robust_list resumed>) = 0
[pid 5080] close(3 <unfinished ...>
[pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5080] <... close resumed>) = 0
[pid 5081] <... prctl resumed>) = 0
[ 64.116013][ T5077] syz-executor101 (5077): drop_caches: 3
[ 64.128089][ T5078] syz-executor101 (5078): drop_caches: 3
[pid 5080] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5081] setpgid(0, 0 <unfinished ...>
[pid 5080] <... openat resumed>) = 3
[pid 5080] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5077] <... sendfile resumed> => [693], 571) = 571
[pid 5077] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5081] <... setpgid resumed>) = 0
[pid 5080] <... openat resumed>) = 4
[pid 5078] <... sendfile resumed> => [693], 571) = 571
[pid 5077] <... memfd_create resumed>) = 5
[pid 5076] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5080] sendfile(4, 3, [122] <unfinished ...>
[pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5081] <... openat resumed>) = 3
[pid 5077] <... mmap resumed>) = 0x7f082840d000
[pid 5081] write(3, "1000", 4) = 4
[pid 5078] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5076] <... munmap resumed>) = 0
[pid 5081] close(3) = 0
[pid 5081] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5081] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5078] <... memfd_create resumed>) = 5
[pid 5076] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5076] <... openat resumed>) = 6
[pid 5078] <... mmap resumed>) = 0x7f082840d000
[pid 5076] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5081] <... openat resumed>) = 4
[pid 5076] <... ioctl resumed>) = 0
[pid 5081] sendfile(4, 3, [122] <unfinished ...>
[pid 5076] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5076] close(6) = 0
[ 64.156337][ T5079] syz-executor101 (5079): drop_caches: 3
[pid 5076] close(5 <unfinished ...>
[pid 5078] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5077] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5076] <... close resumed>) = 0
[pid 5076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5076] write(5, "t", 1) = 1
[pid 5076] exit_group(0) = ?
[pid 5076] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5077] <... write resumed>) = 2097152
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5082
./strace-static-x86_64: Process 5082 attached
[pid 5082] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5078] <... write resumed>) = 2097152
[pid 5077] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5082] <... set_robust_list resumed>) = 0
[pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5077] <... munmap resumed>) = 0
[pid 5082] setpgid(0, 0 <unfinished ...>
[pid 5078] munmap(0x7f082840d000, 138412032) = 0
[pid 5082] <... setpgid resumed>) = 0
[pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5077] <... openat resumed>) = 6
[pid 5082] <... openat resumed>) = 3
[pid 5078] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5078] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5078] ioctl(6, LOOP_CLR_FD) = 0
[pid 5077] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5082] write(3, "1000", 4 <unfinished ...>
[pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5082] <... write resumed>) = 4
[pid 5078] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5077] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5082] close(3 <unfinished ...>
[pid 5078] close(6 <unfinished ...>
[pid 5077] <... ioctl resumed>) = 0
[pid 5078] <... close resumed>) = 0
[pid 5082] <... close resumed>) = 0
[pid 5078] close(5 <unfinished ...>
[pid 5082] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5077] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5082] <... openat resumed>) = 3
[pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5082] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5077] close(6) = 0
[pid 5082] sendfile(4, 3, [122] <unfinished ...>
[pid 5077] close(5 <unfinished ...>
[pid 5078] <... close resumed>) = 0
[pid 5078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5078] write(5, "t", 1) = 1
[pid 5078] exit_group(0) = ?
[pid 5078] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5077] <... close resumed>) = 0
[pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5077] write(5, "t", 1 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5068] close(3) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5083
./strace-static-x86_64: Process 5083 attached
[pid 5083] set_robust_list(0x555555646660, 24) = 0
[pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5077] <... write resumed>) = 1
[pid 5083] <... prctl resumed>) = 0
[pid 5079] <... sendfile resumed> => [693], 571) = 571
[pid 5077] exit_group(0 <unfinished ...>
[pid 5083] setpgid(0, 0) = 0
[pid 5079] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5077] <... exit_group resumed>) = ?
[pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5077] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} ---
[pid 5083] write(3, "1000", 4) = 4
[pid 5083] close(3 <unfinished ...>
[pid 5079] <... memfd_create resumed>) = 5
[pid 5083] <... close resumed>) = 0
[pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5083] <... openat resumed>) = 3
[pid 5079] <... mmap resumed>) = 0x7f082840d000
[pid 5059] close(3 <unfinished ...>
[pid 5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5059] <... close resumed>) = 0
[pid 5083] <... openat resumed>) = 4
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5085
./strace-static-x86_64: Process 5085 attached
[pid 5083] sendfile(4, 3, [122] <unfinished ...>
[pid 5085] set_robust_list(0x555555646660, 24) = 0
[ 64.474861][ T5080] syz-executor101 (5080): drop_caches: 3
[ 64.495416][ T5079] syz-executor101 (5079): drop_caches: 3
[ 64.500045][ T5081] syz-executor101 (5081): drop_caches: 3
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5085] setpgid(0, 0) = 0
[pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1000", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5085] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5085] sendfile(4, 3, [122] <unfinished ...>
[pid 5079] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[ 64.669495][ T5082] syz-executor101 (5082): drop_caches: 3
[pid 5079] munmap(0x7f082840d000, 138412032) = 0
[pid 5079] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5079] ioctl(6, LOOP_CLR_FD) = 0
[pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5079] close(6) = 0
[pid 5079] close(5) = 0
[pid 5079] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5080] <... sendfile resumed> => [693], 571) = 571
[pid 5079] <... openat resumed>) = 5
[pid 5079] write(5, "t", 1 <unfinished ...>
[pid 5080] memfd_create("syzkaller", 0) = 5
[pid 5079] <... write resumed>) = 1
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5079] exit_group(0) = ?
[pid 5080] <... mmap resumed>) = 0x7f082840d000
[pid 5079] +++ exited with 0 +++
[pid 5081] <... sendfile resumed> => [693], 571) = 571
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} ---
[ 64.788470][ T5080] syz-executor101 (5080): drop_caches: 3
[ 64.815059][ T5083] syz-executor101 (5083): drop_caches: 3
[ 64.824185][ T5081] syz-executor101 (5081): drop_caches: 3
[pid 5081] memfd_create("syzkaller", 0) = 5
[pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5080] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[ 64.853788][ T5085] syz-executor101 (5085): drop_caches: 3
[pid 5062] close(3 <unfinished ...>
[pid 5081] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5086
./strace-static-x86_64: Process 5086 attached
[pid 5086] set_robust_list(0x555555646660, 24) = 0
[pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5082] <... sendfile resumed> => [693], 571) = 571
[pid 5080] <... write resumed>) = 2097152
[pid 5086] <... prctl resumed>) = 0
[pid 5086] setpgid(0, 0) = 0
[pid 5080] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5082] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5086] write(3, "1000", 4) = 4
[pid 5086] close(3 <unfinished ...>
[pid 5082] <... memfd_create resumed>) = 5
[pid 5081] <... write resumed>) = 2097152
[pid 5080] <... munmap resumed>) = 0
[pid 5086] <... close resumed>) = 0
[pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5086] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5080] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5080] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5086] <... openat resumed>) = 3
[pid 5081] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5086] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5081] <... munmap resumed>) = 0
[pid 5081] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5086] <... openat resumed>) = 4
[pid 5086] sendfile(4, 3, [122] <unfinished ...>
[pid 5080] ioctl(6, LOOP_CLR_FD) = 0
[ 64.953035][ T5082] syz-executor101 (5082): drop_caches: 3
[pid 5081] <... openat resumed>) = 6
[pid 5080] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5081] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5081] ioctl(6, LOOP_CLR_FD) = 0
[pid 5081] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5080] close(6 <unfinished ...>
[pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5081] close(6) = 0
[pid 5080] <... close resumed>) = 0
[pid 5081] close(5 <unfinished ...>
[pid 5082] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5080] close(5 <unfinished ...>
[pid 5081] <... close resumed>) = 0
[pid 5081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5081] write(5, "t", 1 <unfinished ...>
[pid 5080] <... close resumed>) = 0
[pid 5080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5081] <... write resumed>) = 1
[pid 5081] exit_group(0 <unfinished ...>
[pid 5080] write(5, "t", 1 <unfinished ...>
[pid 5081] <... exit_group resumed>) = ?
[pid 5081] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} ---
[pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5080] <... write resumed>) = 1
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5080] exit_group(0 <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5080] <... exit_group resumed>) = ?
[pid 5065] close(3) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5080] +++ exited with 0 +++
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5087
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5082] <... write resumed>) = 2097152
[pid 5061] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 5087 attached
[pid 5087] set_robust_list(0x555555646660, 24) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5082] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5087] <... prctl resumed>) = 0
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5087] setpgid(0, 0 <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5087] <... setpgid resumed>) = 0
[pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5088
[pid 5087] <... openat resumed>) = 3
[pid 5087] write(3, "1000", 4./strace-static-x86_64: Process 5088 attached
) = 4
[pid 5085] <... sendfile resumed> => [693], 571) = 571
[pid 5082] <... munmap resumed>) = 0
[pid 5085] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5082] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5088] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5085] <... memfd_create resumed>) = 5
[pid 5088] <... set_robust_list resumed>) = 0
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5082] <... openat resumed>) = 6
[pid 5087] close(3 <unfinished ...>
[pid 5085] <... mmap resumed>) = 0x7f082840d000
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5087] <... close resumed>) = 0
[pid 5082] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] <... prctl resumed>) = 0
[pid 5087] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5088] setpgid(0, 0 <unfinished ...>
[pid 5087] <... openat resumed>) = 3
[pid 5082] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5088] <... setpgid resumed>) = 0
[pid 5087] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5082] <... ioctl resumed>) = 0
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5087] <... openat resumed>) = 4
[pid 5087] sendfile(4, 3, [122] <unfinished ...>
[pid 5088] <... openat resumed>) = 3
[pid 5088] write(3, "1000", 4 <unfinished ...>
[pid 5083] <... sendfile resumed> => [693], 571) = 571
[pid 5082] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] <... write resumed>) = 4
[pid 5083] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5088] close(3 <unfinished ...>
[pid 5082] close(6 <unfinished ...>
[pid 5088] <... close resumed>) = 0
[pid 5088] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5083] <... memfd_create resumed>) = 5
[pid 5082] <... close resumed>) = 0
[ 65.131479][ T5085] syz-executor101 (5085): drop_caches: 3
[ 65.157953][ T5083] syz-executor101 (5083): drop_caches: 3
[pid 5088] <... openat resumed>) = 3
[pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5082] close(5 <unfinished ...>
[pid 5083] <... mmap resumed>) = 0x7f082840d000
[pid 5088] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5085] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5088] sendfile(4, 3, [122] <unfinished ...>
[pid 5082] <... close resumed>) = 0
[pid 5082] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5083] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[ 65.244072][ T5086] syz-executor101 (5086): drop_caches: 3
[pid 5082] write(5, "t", 1) = 1
[pid 5082] exit_group(0) = ?
[pid 5082] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
[pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5083] <... write resumed>) = 2097152
[pid 5083] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5085] <... write resumed>) = 2097152
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5089
[pid 5085] munmap(0x7f082840d000, 138412032./strace-static-x86_64: Process 5089 attached
<unfinished ...>
[pid 5089] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5083] <... munmap resumed>) = 0
[pid 5089] <... set_robust_list resumed>) = 0
[pid 5083] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5085] <... munmap resumed>) = 0
[pid 5083] <... openat resumed>) = 6
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5083] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5085] <... openat resumed>) = 6
[pid 5083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5085] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5083] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5089] <... prctl resumed>) = 0
[pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5083] <... ioctl resumed>) = 0
[pid 5089] setpgid(0, 0) = 0
[pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5089] write(3, "1000", 4 <unfinished ...>
[pid 5085] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5083] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5089] <... write resumed>) = 4
[pid 5085] <... ioctl resumed>) = 0
[pid 5089] close(3 <unfinished ...>
[pid 5083] close(6) = 0
[pid 5089] <... close resumed>) = 0
[pid 5083] close(5 <unfinished ...>
[pid 5089] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5085] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5089] <... openat resumed>) = 3
[pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5085] close(6 <unfinished ...>
[pid 5089] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5085] <... close resumed>) = 0
[pid 5085] close(5 <unfinished ...>
[pid 5089] <... openat resumed>) = 4
[pid 5089] sendfile(4, 3, [122] <unfinished ...>
[pid 5085] <... close resumed>) = 0
[pid 5085] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5085] write(5, "t", 1 <unfinished ...>
[pid 5083] <... close resumed>) = 0
[pid 5083] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5083] write(5, "t", 1 <unfinished ...>
[pid 5085] <... write resumed>) = 1
[pid 5085] exit_group(0) = ?
[pid 5085] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} ---
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 65.455652][ T5087] syz-executor101 (5087): drop_caches: 3
[ 65.492989][ T5088] syz-executor101 (5088): drop_caches: 3
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5083] <... write resumed>) = 1
./strace-static-x86_64: Process 5090 attached
[pid 5090] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5090
[pid 5090] <... set_robust_list resumed>) = 0
[pid 5086] <... sendfile resumed> => [693], 571) = 571
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5086] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5083] exit_group(0 <unfinished ...>
[pid 5086] <... memfd_create resumed>) = 5
[pid 5083] <... exit_group resumed>) = ?
[pid 5090] setpgid(0, 0 <unfinished ...>
[pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5083] +++ exited with 0 +++
[pid 5090] <... setpgid resumed>) = 0
[pid 5086] <... mmap resumed>) = 0x7f082840d000
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} ---
[pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5068] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5090] <... openat resumed>) = 3
[pid 5068] <... restart_syscall resumed>) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5090] write(3, "1000", 4) = 4
[pid 5068] <... ioctl resumed>) = 0
[pid 5090] close(3) = 0
[pid 5068] close(3) = 0
[pid 5090] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[ 65.514628][ T5086] syz-executor101 (5086): drop_caches: 3
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5090] <... openat resumed>) = 3
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5091
[pid 5090] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
./strace-static-x86_64: Process 5091 attached
[pid 5090] sendfile(4, 3, [122] <unfinished ...>
[pid 5091] set_robust_list(0x555555646660, 24) = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5091] setpgid(0, 0) = 0
[pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5091] write(3, "1000", 4) = 4
[pid 5091] close(3) = 0
[pid 5091] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5091] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5091] sendfile(4, 3, [122] <unfinished ...>
[pid 5086] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5086] munmap(0x7f082840d000, 138412032) = 0
[pid 5086] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5086] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5086] ioctl(6, LOOP_CLR_FD) = 0
[pid 5086] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5086] close(6) = 0
[pid 5086] close(5 <unfinished ...>
[pid 5087] <... sendfile resumed> => [693], 571) = 571
[pid 5086] <... close resumed>) = 0
[pid 5088] <... sendfile resumed> => [693], 571) = 571
[pid 5087] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5088] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5087] <... memfd_create resumed>) = 5
[pid 5088] <... memfd_create resumed>) = 5
[pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5087] <... mmap resumed>) = 0x7f082840d000
[pid 5086] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5088] <... mmap resumed>) = 0x7f082840d000
[pid 5086] <... openat resumed>) = 5
[pid 5086] write(5, "t", 1) = 1
[pid 5086] exit_group(0) = ?
[pid 5086] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} ---
[ 65.771275][ T5087] syz-executor101 (5087): drop_caches: 3
[ 65.790616][ T5088] syz-executor101 (5088): drop_caches: 3
[ 65.794385][ T5089] syz-executor101 (5089): drop_caches: 3
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5088] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5087] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5062] close(3) = 0
[ 65.840725][ T5091] syz-executor101 (5091): drop_caches: 3
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5092
./strace-static-x86_64: Process 5092 attached
[pid 5092] set_robust_list(0x555555646660, 24) = 0
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5092] setpgid(0, 0) = 0
[pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5092] write(3, "1000", 4) = 4
[pid 5092] close(3) = 0
[pid 5092] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5092] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5092] sendfile(4, 3, [122] <unfinished ...>
[pid 5087] <... write resumed>) = 2097152
[pid 5088] <... write resumed>) = 2097152
[ 65.927814][ T5090] syz-executor101 (5090): drop_caches: 3
[pid 5087] munmap(0x7f082840d000, 138412032) = 0
[pid 5088] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5087] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5088] <... munmap resumed>) = 0
[pid 5087] <... openat resumed>) = 6
[pid 5087] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5088] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5087] ioctl(6, LOOP_CLR_FD) = 0
[pid 5088] <... openat resumed>) = 6
[pid 5088] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5087] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5087] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5088] <... ioctl resumed>) = 0
[pid 5087] close(6) = 0
[pid 5087] close(5 <unfinished ...>
[pid 5088] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5088] close(6) = 0
[pid 5088] close(5) = 0
[pid 5089] <... sendfile resumed> => [693], 571) = 571
[pid 5087] <... close resumed>) = 0
[pid 5087] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5091] <... sendfile resumed> => [693], 571) = 571
[pid 5089] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5088] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5087] <... openat resumed>) = 5
[pid 5087] write(5, "t", 1 <unfinished ...>
[pid 5091] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5089] <... memfd_create resumed>) = 5
[pid 5088] <... openat resumed>) = 5
[pid 5088] write(5, "t", 1 <unfinished ...>
[pid 5091] <... memfd_create resumed>) = 5
[pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5089] <... mmap resumed>) = 0x7f082840d000
[ 66.078134][ T5089] syz-executor101 (5089): drop_caches: 3
[ 66.116049][ T5091] syz-executor101 (5091): drop_caches: 3
[pid 5087] <... write resumed>) = 1
[pid 5087] exit_group(0 <unfinished ...>
[pid 5088] <... write resumed>) = 1
[pid 5087] <... exit_group resumed>) = ?
[pid 5088] exit_group(0) = ?
[pid 5087] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} ---
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5065] close(3 <unfinished ...>
[pid 5088] +++ exited with 0 +++
[pid 5065] <... close resumed>) = 0
[pid 5091] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} ---
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5093
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5089] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5093 attached
) = 0
[pid 5093] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5093] <... set_robust_list resumed>) = 0
[pid 5091] <... write resumed>) = 2097152
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5094
[pid 5091] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5091] <... munmap resumed>) = 0
[pid 5091] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5094 attached
<unfinished ...>
[pid 5093] <... prctl resumed>) = 0
[pid 5094] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5093] setpgid(0, 0 <unfinished ...>
[pid 5091] <... openat resumed>) = 6
[pid 5094] <... set_robust_list resumed>) = 0
[pid 5093] <... setpgid resumed>) = 0
[pid 5091] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5093] <... openat resumed>) = 3
[pid 5091] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5093] write(3, "1000", 4 <unfinished ...>
[pid 5091] <... ioctl resumed>) = 0
[pid 5093] <... write resumed>) = 4
[pid 5093] close(3) = 0
[pid 5093] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5093] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5093] sendfile(4, 3, [122] <unfinished ...>
[pid 5091] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5089] <... write resumed>) = 2097152
[ 66.211304][ T5092] syz-executor101 (5092): drop_caches: 3
[pid 5094] <... prctl resumed>) = 0
[pid 5091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5089] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5091] close(6) = 0
[pid 5091] close(5 <unfinished ...>
[pid 5089] <... munmap resumed>) = 0
[pid 5094] setpgid(0, 0) = 0
[pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5094] write(3, "1000", 4) = 4
[pid 5094] close(3) = 0
[pid 5094] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5094] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5089] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5094] sendfile(4, 3, [122] <unfinished ...>
[pid 5089] <... openat resumed>) = 6
[pid 5089] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5091] <... close resumed>) = 0
[pid 5090] <... sendfile resumed> => [693], 571) = 571
[pid 5089] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5091] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5089] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5091] <... openat resumed>) = 5
[pid 5090] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5089] <... ioctl resumed>) = 0
[pid 5091] write(5, "t", 1 <unfinished ...>
[pid 5090] <... memfd_create resumed>) = 5
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5089] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5089] close(6) = 0
[ 66.306424][ T5090] syz-executor101 (5090): drop_caches: 3
[pid 5089] close(5 <unfinished ...>
[pid 5091] <... write resumed>) = 1
[pid 5091] exit_group(0) = ?
[pid 5091] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} ---
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5068] close(3) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5089] <... close resumed>) = 0
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5095
./strace-static-x86_64: Process 5095 attached
[pid 5095] set_robust_list(0x555555646660, 24) = 0
[pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5090] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5089] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5095] <... prctl resumed>) = 0
[pid 5095] setpgid(0, 0) = 0
[pid 5089] <... openat resumed>) = 5
[pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5089] write(5, "t", 1 <unfinished ...>
[pid 5095] <... openat resumed>) = 3
[pid 5095] write(3, "1000", 4) = 4
[pid 5095] close(3) = 0
[pid 5095] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5095] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5095] sendfile(4, 3, [122] <unfinished ...>
[pid 5089] <... write resumed>) = 1
[pid 5089] exit_group(0) = ?
[pid 5089] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5096
./strace-static-x86_64: Process 5096 attached
[pid 5090] <... write resumed>) = 2097152
[pid 5096] set_robust_list(0x555555646660, 24) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5096] setpgid(0, 0) = 0
[pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5092] <... sendfile resumed> => [693], 571) = 571
[pid 5090] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5096] <... openat resumed>) = 3
[pid 5090] <... munmap resumed>) = 0
[pid 5096] write(3, "1000", 4) = 4
[pid 5096] close(3 <unfinished ...>
[pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5096] <... close resumed>) = 0
[pid 5096] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5090] <... openat resumed>) = 6
[pid 5096] <... openat resumed>) = 3
[pid 5090] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5096] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5096] <... openat resumed>) = 4
[pid 5090] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5096] sendfile(4, 3, [122] <unfinished ...>
[pid 5090] <... ioctl resumed>) = 0
[pid 5090] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5092] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5090] close(6) = 0
[pid 5092] <... memfd_create resumed>) = 5
[ 66.544183][ T5092] syz-executor101 (5092): drop_caches: 3
[pid 5090] close(5 <unfinished ...>
[pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5090] <... close resumed>) = 0
[pid 5090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5092] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5090] <... openat resumed>) = 5
[pid 5090] write(5, "t", 1) = 1
[pid 5090] exit_group(0) = ?
[pid 5090] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} ---
[ 66.653592][ T5093] syz-executor101 (5093): drop_caches: 3
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5097
./strace-static-x86_64: Process 5097 attached
[pid 5097] set_robust_list(0x555555646660, 24) = 0
[pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5097] setpgid(0, 0) = 0
[pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5092] <... write resumed>) = 2097152
[pid 5097] <... openat resumed>) = 3
[pid 5092] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5097] write(3, "1000", 4 <unfinished ...>
[pid 5092] <... munmap resumed>) = 0
[pid 5097] <... write resumed>) = 4
[ 66.723037][ T5094] syz-executor101 (5094): drop_caches: 3
[pid 5097] close(3) = 0
[pid 5092] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5097] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5092] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5092] ioctl(6, LOOP_CLR_FD) = 0
[pid 5097] <... openat resumed>) = 3
[pid 5097] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5097] sendfile(4, 3, [122] <unfinished ...>
[pid 5092] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5092] close(6) = 0
[pid 5092] close(5) = 0
[pid 5092] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5092] write(5, "t", 1) = 1
[pid 5092] exit_group(0) = ?
[pid 5092] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[ 66.842819][ T5095] syz-executor101 (5095): drop_caches: 3
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x555555646650) = 5098
[pid 5098] set_robust_list(0x555555646660, 24) = 0
[pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5098] setpgid(0, 0) = 0
[pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5093] <... sendfile resumed> => [693], 571) = 571
[pid 5098] <... openat resumed>) = 3
[pid 5093] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5098] write(3, "1000", 4 <unfinished ...>
[pid 5093] <... memfd_create resumed>) = 5
[pid 5098] <... write resumed>) = 4
[pid 5098] close(3 <unfinished ...>
[pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5098] <... close resumed>) = 0
[pid 5093] <... mmap resumed>) = 0x7f082840d000
[pid 5098] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[ 66.914423][ T5096] syz-executor101 (5096): drop_caches: 3
[ 66.916803][ T5093] syz-executor101 (5093): drop_caches: 3
[pid 5098] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5098] sendfile(4, 3, [122] <unfinished ...>
[pid 5094] <... sendfile resumed> => [693], 571) = 571
[pid 5094] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5093] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5094] <... memfd_create resumed>) = 5
[pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 67.011585][ T5094] syz-executor101 (5094): drop_caches: 3
[pid 5093] <... write resumed>) = 2097152
[pid 5094] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5093] munmap(0x7f082840d000, 138412032) = 0
[pid 5095] <... sendfile resumed> => [693], 571) = 571
[pid 5093] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5095] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5093] <... openat resumed>) = 6
[pid 5095] <... memfd_create resumed>) = 5
[pid 5094] <... write resumed>) = 2097152
[pid 5093] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5093] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5093] <... ioctl resumed>) = 0
[pid 5095] <... mmap resumed>) = 0x7f082840d000
[ 67.134992][ T5095] syz-executor101 (5095): drop_caches: 3
[ 67.153008][ T5097] syz-executor101 (5097): drop_caches: 3
[pid 5093] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5093] close(6) = 0
[pid 5093] close(5 <unfinished ...>
[pid 5094] munmap(0x7f082840d000, 138412032) = 0
[pid 5093] <... close resumed>) = 0
[pid 5093] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5094] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5094] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5094] ioctl(6, LOOP_CLR_FD) = 0
[pid 5094] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5094] close(6 <unfinished ...>
[pid 5093] <... openat resumed>) = 5
[pid 5094] <... close resumed>) = 0
[pid 5096] <... sendfile resumed> => [693], 571) = 571
[pid 5093] write(5, "t", 1 <unfinished ...>
[pid 5094] close(5 <unfinished ...>
[pid 5096] memfd_create("syzkaller", 0) = 5
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 67.207288][ T5096] syz-executor101 (5096): drop_caches: 3
[ 67.240638][ T5098] syz-executor101 (5098): drop_caches: 3
[pid 5095] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5094] <... close resumed>) = 0
[pid 5093] <... write resumed>) = 1
[pid 5094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5093] exit_group(0 <unfinished ...>
[pid 5094] <... openat resumed>) = 5
[pid 5093] <... exit_group resumed>) = ?
[pid 5093] +++ exited with 0 +++
[pid 5094] write(5, "t", 1 <unfinished ...>
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} ---
[pid 5094] <... write resumed>) = 1
[pid 5094] exit_group(0) = ?
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5094] +++ exited with 0 +++
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} ---
[pid 5065] close(3 <unfinished ...>
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5065] <... close resumed>) = 0
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5099
[pid 5061] <... ioctl resumed>) = 0
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5100
./strace-static-x86_64: Process 5100 attached
[pid 5100] set_robust_list(0x555555646660, 24) = 0
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5100] setpgid(0, 0) = 0
[pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5099 attached
) = 3
[pid 5100] write(3, "1000", 4) = 4
[pid 5100] close(3) = 0
[pid 5099] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5095] <... write resumed>) = 2097152
[pid 5099] <... set_robust_list resumed>) = 0
[pid 5100] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5099] setpgid(0, 0) = 0
[pid 5100] <... openat resumed>) = 3
[pid 5100] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5100] sendfile(4, 3, [122] <unfinished ...>
[pid 5099] <... openat resumed>) = 3
[pid 5096] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5099] write(3, "1000", 4) = 4
[pid 5099] close(3) = 0
[pid 5099] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5095] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5099] <... openat resumed>) = 3
[pid 5095] <... munmap resumed>) = 0
[pid 5099] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5099] sendfile(4, 3, [122] <unfinished ...>
[pid 5095] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5095] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5095] ioctl(6, LOOP_CLR_FD) = 0
[pid 5095] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5095] close(6) = 0
[pid 5095] close(5 <unfinished ...>
[pid 5097] <... sendfile resumed> => [693], 571) = 571
[pid 5097] memfd_create("syzkaller", 0) = 5
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5095] <... close resumed>) = 0
[pid 5097] <... mmap resumed>) = 0x7f082840d000
[pid 5096] <... write resumed>) = 2097152
[pid 5095] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[ 67.448044][ T5097] syz-executor101 (5097): drop_caches: 3
[pid 5095] write(5, "t", 1 <unfinished ...>
[pid 5096] munmap(0x7f082840d000, 138412032) = 0
[pid 5096] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5095] <... write resumed>) = 1
[pid 5095] exit_group(0) = ?
[pid 5095] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
[pid 5096] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5096] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5096] <... ioctl resumed>) = 0
[pid 5068] <... openat resumed>) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5096] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5068] <... close resumed>) = 0
[pid 5096] close(6 <unfinished ...>
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
<unfinished ...>
[pid 5096] <... close resumed>) = 0
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5101
[pid 5096] close(5 <unfinished ...>
[pid 5101] set_robust_list(0x555555646660, 24) = 0
[pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5097] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5101] setpgid(0, 0) = 0
[pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5101] write(3, "1000", 4) = 4
[pid 5101] close(3) = 0
[pid 5101] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5101] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5101] sendfile(4, 3, [122] <unfinished ...>
[pid 5098] <... sendfile resumed> => [693], 571) = 571
[pid 5096] <... close resumed>) = 0
[pid 5096] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5098] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5096] <... openat resumed>) = 5
[pid 5098] <... memfd_create resumed>) = 5
[ 67.560646][ T5098] syz-executor101 (5098): drop_caches: 3
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5096] write(5, "t", 1) = 1
[pid 5096] exit_group(0) = ?
[pid 5098] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5096] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
<unfinished ...>
[pid 5102] set_robust_list(0x555555646660, 24) = 0
[pid 5098] <... write resumed>) = 2097152
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5102
[pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5098] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5097] <... write resumed>) = 2097152
[pid 5102] <... prctl resumed>) = 0
[pid 5102] setpgid(0, 0) = 0
[pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5098] <... munmap resumed>) = 0
[pid 5102] <... openat resumed>) = 3
[pid 5102] write(3, "1000", 4 <unfinished ...>
[pid 5097] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5102] <... write resumed>) = 4
[pid 5098] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5097] <... munmap resumed>) = 0
[pid 5102] close(3 <unfinished ...>
[pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5102] <... close resumed>) = 0
[pid 5098] <... openat resumed>) = 6
[pid 5097] <... openat resumed>) = 6
[pid 5102] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5097] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5102] <... openat resumed>) = 3
[pid 5098] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5097] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5102] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5097] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5102] <... openat resumed>) = 4
[pid 5097] <... ioctl resumed>) = 0
[pid 5102] sendfile(4, 3, [122] <unfinished ...>
[pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5098] ioctl(6, LOOP_CLR_FD) = 0
[ 67.683334][ T5100] syz-executor101 (5100): drop_caches: 3
[ 67.701920][ T5099] syz-executor101 (5099): drop_caches: 3
[ 67.744575][ T2890]
[ 67.746949][ T2890] ======================================================
[ 67.754070][ T2890] WARNING: possible circular locking dependency detected
[ 67.761090][ T2890] 6.7.0-rc7-syzkaller-00029-g8735c7c84d1b #0 Not tainted
[ 67.768231][ T2890] ------------------------------------------------------
[ 67.775270][ T2890] kworker/u4:11/2890 is trying to acquire lock:
[ 67.781528][ T2890] ffff888077748940 (&rl->lock){++++}-{3:3}, at: ntfs_read_folio+0x1308/0x23e0
[ 67.790441][ T2890]
[ 67.790441][ T2890] but task is already holding lock:
[ 67.798084][ T2890] ffff88807774b310 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4c/0x630
[ 67.807076][ T2890]
[ 67.807076][ T2890] which lock already depends on the new lock.
[ 67.807076][ T2890]
[ 67.817613][ T2890]
[ 67.817613][ T2890] the existing dependency chain (in reverse order) is:
[ 67.826637][ T2890]
[ 67.826637][ T2890] -> #1 (&ni->mrec_lock){+.+.}-{3:3}:
[ 67.834234][ T2890] lock_acquire+0x1e3/0x530
[ 67.839273][ T2890] __mutex_lock+0x136/0xd60
[ 67.842848][ T5099] syz-executor101 (5099): drop_caches: 3
[ 67.844306][ T2890] map_mft_record+0x4c/0x630
[ 67.855128][ T2890] ntfs_attr_extend_allocation+0x2d0/0x3ec0
[ 67.861537][ T2890] ntfs_file_write_iter+0x37e/0x1970
[ 67.867851][ T2890] vfs_write+0x792/0xb20
[ 67.872693][ T2890] ksys_write+0x1a0/0x2c0
[ 67.877535][ T2890] do_syscall_64+0x45/0x110
[ 67.882682][ T2890] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 67.889525][ T2890]
[ 67.889525][ T2890] -> #0 (&rl->lock){++++}-{3:3}:
[ 67.896729][ T2890] validate_chain+0x1909/0x5ab0
[ 67.902097][ T2890] __lock_acquire+0x1345/0x1fd0
[ 67.907549][ T2890] lock_acquire+0x1e3/0x530
[ 67.912656][ T2890] down_read+0xb1/0xa40
[ 67.917327][ T2890] ntfs_read_folio+0x1308/0x23e0
[ 67.922974][ T2890] filemap_read_folio+0x19c/0x780
[ 67.928516][ T2890] do_read_cache_folio+0x134/0x810
[ 67.934146][ T2890] do_read_cache_page+0x30/0x200
[ 67.939684][ T2890] ntfs_sync_mft_mirror+0x25f/0x1ae0
[ 67.945489][ T2890] write_mft_record_nolock+0x1155/0x18f0
[ 67.951664][ T2890] write_mft_record+0x149/0x310
[ 67.957031][ T2890] __ntfs_write_inode+0x703/0xbb0
[ 67.962741][ T2890] __writeback_single_inode+0x69b/0xfc0
[ 67.968887][ T2890] writeback_sb_inodes+0x8e3/0x1220
[ 67.974601][ T2890] __writeback_inodes_wb+0x11b/0x260
[ 67.980583][ T2890] wb_writeback+0x461/0xc70
[ 67.985704][ T2890] wb_workfn+0xc33/0xfb0
[ 67.990474][ T2890] process_scheduled_works+0x90f/0x1420
[ 67.996542][ T2890] worker_thread+0xa5f/0x1000
[ 68.001914][ T2890] kthread+0x2d3/0x370
[ 68.006584][ T2890] ret_from_fork+0x48/0x80
[ 68.011514][ T2890] ret_from_fork_asm+0x11/0x20
[ 68.016881][ T2890]
[ 68.016881][ T2890] other info that might help us debug this:
[ 68.016881][ T2890]
[ 68.027093][ T2890] Possible unsafe locking scenario:
[ 68.027093][ T2890]
[ 68.034533][ T2890] CPU0 CPU1
[ 68.039882][ T2890] ---- ----
[ 68.045341][ T2890] lock(&ni->mrec_lock);
[ 68.049664][ T2890] lock(&rl->lock);
[ 68.056242][ T2890] lock(&ni->mrec_lock);
[ 68.063352][ T2890] rlock(&rl->lock);
[ 68.067331][ T2890]
[ 68.067331][ T2890] *** DEADLOCK ***
[ 68.067331][ T2890]
[ 68.075633][ T2890] 4 locks held by kworker/u4:11/2890:
[ 68.080994][ T2890] #0: ffff888141a61d38 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420
[ 68.092213][ T2890] #1: ffffc9000bcdfd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420
[ 68.104726][ T2890] #2: ffff88807fb980e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_trylock_shared+0x22/0xf0
[ 68.115418][ T2890] #3: ffff88807774b310 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4c/0x630
[ 68.125521][ T2890]
[ 68.125521][ T2890] stack backtrace:
[ 68.131394][ T2890] CPU: 0 PID: 2890 Comm: kworker/u4:11 Not tainted 6.7.0-rc7-syzkaller-00029-g8735c7c84d1b #0
[ 68.141713][ T2890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 68.152714][ T2890] Workqueue: writeback wb_workfn (flush-7:3)
[ 68.158714][ T2890] Call Trace:
[ 68.162166][ T2890] <TASK>
[ 68.165172][ T2890] dump_stack_lvl+0x1e7/0x2d0
[ 68.169843][ T2890] ? nf_tcp_handle_invalid+0x650/0x650
[ 68.175298][ T2890] ? print_circular_bug+0x12b/0x1a0
[ 68.180580][ T2890] check_noncircular+0x366/0x490
[ 68.185517][ T2890] ? noop_count+0x30/0x30
[ 68.190077][ T2890] ? print_deadlock_bug+0x610/0x610
[ 68.195371][ T2890] ? lockdep_lock+0x123/0x2b0
[ 68.200040][ T2890] ? check_noncircular+0x259/0x490
[ 68.205144][ T2890] ? check_path+0x21/0x40
[ 68.209552][ T2890] ? _find_first_zero_bit+0xd4/0x100
[ 68.214833][ T2890] validate_chain+0x1909/0x5ab0
[ 68.219680][ T2890] ? validate_chain+0x15c6/0x5ab0
[ 68.224823][ T2890] ? reacquire_held_locks+0x690/0x690
[ 68.230367][ T2890] ? reacquire_held_locks+0x690/0x690
[ 68.235905][ T2890] ? look_up_lock_class+0x77/0x160
[ 68.241018][ T2890] ? register_lock_class+0x102/0x970
[ 68.246383][ T2890] ? is_dynamic_key+0x260/0x260
[ 68.251227][ T2890] ? mark_lock+0x9a/0x350
[ 68.255568][ T2890] __lock_acquire+0x1345/0x1fd0
[ 68.260415][ T2890] lock_acquire+0x1e3/0x530
[ 68.264911][ T2890] ? ntfs_read_folio+0x1308/0x23e0
[ 68.270030][ T2890] ? read_lock_is_recursive+0x20/0x20
[ 68.275395][ T2890] ? __might_sleep+0xe0/0xe0
[ 68.279985][ T2890] ? mark_lock+0x9a/0x350
[ 68.284308][ T2890] down_read+0xb1/0xa40
[ 68.288585][ T2890] ? ntfs_read_folio+0x1308/0x23e0
[ 68.293692][ T2890] ? print_irqtrace_events+0x220/0x220
[ 68.299143][ T2890] ? __down_common+0x7b0/0x7b0
[ 68.304002][ T2890] ? _raw_read_unlock_irqrestore+0x8f/0x140
[ 68.309886][ T2890] ? lockdep_hardirqs_on+0x98/0x140
[ 68.315166][ T2890] ? _raw_read_unlock_irqrestore+0xdd/0x140
[ 68.321051][ T2890] ? _raw_read_unlock+0x40/0x40
[ 68.325984][ T2890] ? create_empty_buffers+0x53e/0x740
[ 68.332070][ T2890] ntfs_read_folio+0x1308/0x23e0
[ 68.337359][ T2890] ? ntfs_writepage+0x1630/0x1630
[ 68.342514][ T2890] ? folio_add_lru+0x9d0/0x9d0
[ 68.347359][ T2890] ? folio_add_lru+0x4b2/0x9d0
[ 68.352323][ T2890] ? folio_add_lru+0x27b/0x9d0
[ 68.357097][ T2890] filemap_read_folio+0x19c/0x780
[ 68.362549][ T2890] ? ntfs_writepage+0x1630/0x1630
[ 68.367581][ T2890] ? maybe_unlock_mmap_for_io+0xe0/0xe0
[ 68.373235][ T2890] ? seqcount_lockdep_reader_access+0x1d7/0x220
[ 68.379507][ T2890] do_read_cache_folio+0x134/0x810
[ 68.384714][ T2890] ? ntfs_writepage+0x1630/0x1630
[ 68.389730][ T2890] do_read_cache_page+0x30/0x200
[ 68.394661][ T2890] ntfs_sync_mft_mirror+0x25f/0x1ae0
[ 68.399937][ T2890] ? submit_bio_noacct_nocheck+0xa2f/0xc70
[ 68.405928][ T2890] ? should_fail_request+0x80/0x80
[ 68.411034][ T2890] ? __mark_mft_record_dirty+0x180/0x180
[ 68.416661][ T2890] write_mft_record_nolock+0x1155/0x18f0
[ 68.422839][ T2890] ? ntfs_unmap_page+0x260/0x260
[ 68.427942][ T2890] ? lockdep_hardirqs_on+0x98/0x140
[ 68.433151][ T2890] write_mft_record+0x149/0x310
[ 68.438457][ T2890] __ntfs_write_inode+0x703/0xbb0
[ 68.443576][ T2890] __writeback_single_inode+0x69b/0xfc0
[ 68.449119][ T2890] writeback_sb_inodes+0x8e3/0x1220
[ 68.454496][ T2890] ? queue_io+0x570/0x570
[ 68.458826][ T2890] ? do_raw_spin_lock+0x14e/0x370
[ 68.463857][ T2890] __writeback_inodes_wb+0x11b/0x260
[ 68.469749][ T2890] wb_writeback+0x461/0xc70
[ 68.474380][ T2890] ? percpu_ref_tryget+0x260/0x260
[ 68.479539][ T2890] wb_workfn+0xc33/0xfb0
[ 68.483797][ T2890] ? inode_wait_for_writeback+0x290/0x290
[ 68.489527][ T2890] ? lockdep_hardirqs_on_prepare+0x43c/0x780
[ 68.495528][ T2890] ? print_irqtrace_events+0x220/0x220
[ 68.500997][ T2890] ? process_scheduled_works+0x825/0x1420
[ 68.506715][ T2890] process_scheduled_works+0x90f/0x1420
[ 68.512350][ T2890] ? assign_work+0x3d0/0x3d0
[ 68.516957][ T2890] ? assign_work+0x364/0x3d0
[ 68.521563][ T2890] worker_thread+0xa5f/0x1000
[ 68.526244][ T2890] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 68.532307][ T2890] kthread+0x2d3/0x370
[ 68.536449][ T2890] ? pr_cont_work+0x5e0/0x5e0
[ 68.541117][ T2890] ? kthread_blkcg+0xd0/0xd0
[pid 5099] <... sendfile resumed> => [693], 571) = 571
[ 68.545696][ T2890] ret_from_fork+0x48/0x80
[ 68.550107][ T2890] ? kthread_blkcg+0xd0/0xd0
[ 68.554684][ T2890] ret_from_fork_asm+0x11/0x20
[ 68.559470][ T2890] </TASK>
[ 68.587226][ T5100] syz-executor101 (5100): drop_caches: 3
[ 68.589576][ T5101] syz-executor101 (5101): drop_caches: 3
[ 68.600029][ T5102] syz-executor101 (5102): drop_caches: 3
[pid 5097] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5101] <... sendfile resumed> => [693], 571) = 571
[pid 5100] <... sendfile resumed> => [693], 571) = 571
[pid 5099] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5097] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5101] memfd_create("syzkaller", 0) = 5
[pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5097] close(6 <unfinished ...>
[pid 5098] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5099] <... memfd_create resumed>) = 5
[pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5097] <... close resumed>) = 0
[pid 5101] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5100] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5098] close(6 <unfinished ...>
[pid 5097] close(5) = 0
[ 68.648938][ T5101] syz-executor101 (5101): drop_caches: 3
[ 68.654359][ T5102] syz-executor101 (5102): drop_caches: 3
[pid 5099] <... mmap resumed>) = 0x7f082840d000
[pid 5098] <... close resumed>) = 0
[pid 5098] close(5 <unfinished ...>
[pid 5097] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5101] <... write resumed>) = 2097152
[pid 5102] <... sendfile resumed> => [693], 571) = 571
[pid 5101] munmap(0x7f082840d000, 138412032) = 0
[pid 5102] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5101] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5101] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5101] ioctl(6, LOOP_CLR_FD) = 0
[pid 5102] <... memfd_create resumed>) = 5
[pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5101] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5101] close(6) = 0
[pid 5101] close(5) = 0
[pid 5100] <... memfd_create resumed>) = 5
[pid 5098] <... close resumed>) = 0
[pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5097] <... openat resumed>) = 5
[pid 5097] write(5, "t", 1 <unfinished ...>
[pid 5100] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5097] <... write resumed>) = 1
[pid 5097] exit_group(0) = ?
[pid 5101] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5102] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5100] <... write resumed>) = 2097152
[pid 5099] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5097] +++ exited with 0 +++
[pid 5101] <... openat resumed>) = 5
[pid 5098] <... openat resumed>) = 5
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5101] write(5, "t", 1 <unfinished ...>
[pid 5098] write(5, "t", 1 <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5100] munmap(0x7f082840d000, 138412032./strace-static-x86_64: Process 5103 attached
<unfinished ...>
[pid 5101] <... write resumed>) = 1
[pid 5098] <... write resumed>) = 1
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5103
[pid 5103] set_robust_list(0x555555646660, 24) = 0
[pid 5101] exit_group(0 <unfinished ...>
[pid 5100] <... munmap resumed>) = 0
[pid 5098] exit_group(0 <unfinished ...>
[pid 5101] <... exit_group resumed>) = ?
[pid 5098] <... exit_group resumed>) = ?
[pid 5098] +++ exited with 0 +++
[pid 5100] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5102] <... write resumed>) = 2097152
[pid 5101] +++ exited with 0 +++
[pid 5099] <... write resumed>) = 2097152
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
[pid 5103] <... prctl resumed>) = 0
[pid 5102] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5100] <... openat resumed>) = 6
[pid 5068] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5100] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5100] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5068] <... restart_syscall resumed>) = 0
[pid 5103] setpgid(0, 0 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5103] <... setpgid resumed>) = 0
[pid 5100] <... ioctl resumed>) = 0
[pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5099] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5103] <... openat resumed>) = 3
[pid 5102] <... munmap resumed>) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5103] write(3, "1000", 4 <unfinished ...>
[pid 5102] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5100] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5103] <... write resumed>) = 4
[pid 5102] <... openat resumed>) = 6
[pid 5100] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5103] close(3 <unfinished ...>
[pid 5102] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5100] close(6 <unfinished ...>
[pid 5099] <... munmap resumed>) = 0
[pid 5068] <... ioctl resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5103] <... close resumed>) = 0
[pid 5102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5100] <... close resumed>) = 0
[pid 5068] close(3 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5103] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5102] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5100] close(5 <unfinished ...>
[pid 5099] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5103] <... openat resumed>) = 3
[pid 5102] <... ioctl resumed>) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
<unfinished ...>
[pid 5103] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5104
[pid 5105] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5103] <... openat resumed>) = 4
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5105
[pid 5105] <... set_robust_list resumed>) = 0
[pid 5103] sendfile(4, 3, [122] <unfinished ...>
[pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5102] ioctl(6, LOOP_SET_FD, 5./strace-static-x86_64: Process 5104 attached
<unfinished ...>
[pid 5105] <... prctl resumed>) = 0
[pid 5102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5099] <... openat resumed>) = 6
[pid 5105] setpgid(0, 0 <unfinished ...>
[pid 5102] close(6 <unfinished ...>
[pid 5105] <... setpgid resumed>) = 0
[pid 5102] <... close resumed>) = 0
[pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5102] close(5 <unfinished ...>
[pid 5105] <... openat resumed>) = 3
[pid 5104] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5100] <... close resumed>) = 0
[pid 5099] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] write(3, "1000", 4) = 4
[pid 5105] close(3) = 0
[pid 5105] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5104] <... set_robust_list resumed>) = 0
[pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5099] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5104] <... prctl resumed>) = 0
[pid 5099] <... ioctl resumed>) = 0
[pid 5105] <... openat resumed>) = 3
[pid 5104] setpgid(0, 0) = 0
[pid 5105] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5104] write(3, "1000", 4) = 4
[pid 5099] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] sendfile(4, 3, [122] <unfinished ...>
[pid 5104] close(3 <unfinished ...>
[pid 5100] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5104] <... close resumed>) = 0
[pid 5100] <... openat resumed>) = 5
[pid 5099] close(6 <unfinished ...>
[pid 5104] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5099] <... close resumed>) = 0
[pid 5104] <... openat resumed>) = 3
[pid 5100] write(5, "t", 1 <unfinished ...>
[pid 5099] close(5 <unfinished ...>
[pid 5104] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5099] <... close resumed>) = 0
[pid 5104] <... openat resumed>) = 4
[pid 5104] sendfile(4, 3, [122] <unfinished ...>
[pid 5100] <... write resumed>) = 1
[pid 5102] <... close resumed>) = 0
[pid 5102] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5102] write(5, "t", 1 <unfinished ...>
[pid 5100] exit_group(0) = ?
[pid 5099] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5100] +++ exited with 0 +++
[pid 5099] <... openat resumed>) = 5
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} ---
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5102] <... write resumed>) = 1
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5102] exit_group(0) = ?
[pid 5102] +++ exited with 0 +++
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5060] <... openat resumed>) = 3
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5099] write(5, "t", 1 <unfinished ...>
[pid 5060] <... ioctl resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5106
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached
./strace-static-x86_64: Process 5106 attached
<unfinished ...>
[pid 5107] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5099] <... write resumed>) = 1
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5107
[pid 5107] <... set_robust_list resumed>) = 0
[pid 5099] exit_group(0 <unfinished ...>
[pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5106] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5099] <... exit_group resumed>) = ?
[pid 5107] <... prctl resumed>) = 0
[pid 5107] setpgid(0, 0) = 0
[pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5106] <... set_robust_list resumed>) = 0
[pid 5099] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5065] close(3) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5107] write(3, "1000", 4) = 4
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5108
./strace-static-x86_64: Process 5108 attached
[pid 5107] close(3 <unfinished ...>
[pid 5106] <... prctl resumed>) = 0
[pid 5108] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5107] <... close resumed>) = 0
[pid 5106] setpgid(0, 0 <unfinished ...>
[pid 5108] <... set_robust_list resumed>) = 0
[pid 5107] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5106] <... setpgid resumed>) = 0
[pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5107] <... openat resumed>) = 3
[pid 5106] <... openat resumed>) = 3
[pid 5108] <... prctl resumed>) = 0
[pid 5106] write(3, "1000", 4 <unfinished ...>
[pid 5108] setpgid(0, 0 <unfinished ...>
[pid 5106] <... write resumed>) = 4
[pid 5108] <... setpgid resumed>) = 0
[pid 5106] close(3) = 0
[pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5106] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5108] <... openat resumed>) = 3
[pid 5107] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5106] <... openat resumed>) = 3
[pid 5107] <... openat resumed>) = 4
[pid 5107] sendfile(4, 3, [122] <unfinished ...>
[pid 5106] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5108] write(3, "1000", 4 <unfinished ...>
[pid 5106] <... openat resumed>) = 4
[pid 5108] <... write resumed>) = 4
[pid 5106] sendfile(4, 3, [122] <unfinished ...>
[pid 5108] close(3) = 0
[pid 5108] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5108] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 69.079849][ T5104] syz-executor101 (5104): drop_caches: 3
[ 69.107402][ T5103] syz-executor101 (5103): drop_caches: 3
[ 69.149814][ T5107] syz-executor101 (5107): drop_caches: 3
[ 69.159582][ T5105] syz-executor101 (5105): drop_caches: 3
[ 69.166882][ T5108] syz-executor101 (5108): drop_caches: 3
[ 69.196965][ T5106] syz-executor101 (5106): drop_caches: 3
[ 69.306074][ T5104] syz-executor101 (5104): drop_caches: 3
[ 69.345022][ T5103] syz-executor101 (5103): drop_caches: 3
[pid 5108] sendfile(4, 3, [122] <unfinished ...>
[pid 5104] <... sendfile resumed> => [693], 571) = 571
[pid 5103] <... sendfile resumed> => [693], 571) = 571
[pid 5104] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5103] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5108] <... sendfile resumed> => [693], 571) = 571
[pid 5107] <... sendfile resumed> => [693], 571) = 571
[pid 5106] <... sendfile resumed> => [693], 571) = 571
[pid 5105] <... sendfile resumed> => [693], 571) = 571
[pid 5104] <... memfd_create resumed>) = 5
[pid 5103] <... memfd_create resumed>) = 5
[pid 5108] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5107] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5106] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5105] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5108] <... memfd_create resumed>) = 5
[pid 5107] <... memfd_create resumed>) = 5
[pid 5104] <... mmap resumed>) = 0x7f082840d000
[pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5103] <... mmap resumed>) = 0x7f082840d000
[pid 5106] <... memfd_create resumed>) = 5
[pid 5105] <... memfd_create resumed>) = 5
[pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[ 69.360187][ T5107] syz-executor101 (5107): drop_caches: 3
[ 69.365086][ T5105] syz-executor101 (5105): drop_caches: 3
[ 69.368283][ T5108] syz-executor101 (5108): drop_caches: 3
[ 69.377310][ T5106] syz-executor101 (5106): drop_caches: 3
[pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5106] <... mmap resumed>) = 0x7f082840d000
[pid 5105] <... mmap resumed>) = 0x7f082840d000
[pid 5108] <... mmap resumed>) = 0x7f082840d000
[pid 5105] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5107] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5106] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5104] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5103] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5108] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5107] <... write resumed>) = 2097152
[pid 5105] <... write resumed>) = 2097152
[pid 5104] <... write resumed>) = 2097152
[pid 5107] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5104] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5106] <... write resumed>) = 2097152
[pid 5108] <... write resumed>) = 2097152
[pid 5107] <... munmap resumed>) = 0
[pid 5106] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5105] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5104] <... munmap resumed>) = 0
[pid 5103] <... write resumed>) = 2097152
[pid 5108] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5104] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5103] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5107] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5104] <... openat resumed>) = 6
[pid 5107] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5104] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5107] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5107] <... ioctl resumed>) = 0
[pid 5104] ioctl(6, LOOP_CLR_FD) = 0
[pid 5107] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5107] close(6 <unfinished ...>
[pid 5104] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] <... munmap resumed>) = 0
[pid 5104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5105] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5104] close(6 <unfinished ...>
[pid 5107] <... close resumed>) = 0
[pid 5105] <... openat resumed>) = 6
[pid 5104] <... close resumed>) = 0
[pid 5108] <... munmap resumed>) = 0
[pid 5107] close(5 <unfinished ...>
[pid 5106] <... munmap resumed>) = 0
[pid 5105] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5104] close(5 <unfinished ...>
[pid 5103] <... munmap resumed>) = 0
[pid 5108] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5106] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5106] <... openat resumed>) = 6
[pid 5105] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5103] <... openat resumed>) = 6
[pid 5106] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] <... ioctl resumed>) = 0
[pid 5103] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5106] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5103] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5108] <... openat resumed>) = 6
[pid 5108] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5108] ioctl(6, LOOP_CLR_FD) = 0
[pid 5103] <... ioctl resumed>) = 0
[pid 5106] <... ioctl resumed>) = 0
[pid 5105] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5105] close(6) = 0
[pid 5105] close(5 <unfinished ...>
[pid 5108] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5107] <... close resumed>) = 0
[pid 5108] close(6) = 0
[pid 5108] close(5 <unfinished ...>
[pid 5103] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5103] close(6) = 0
[pid 5106] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5103] close(5 <unfinished ...>
[pid 5106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5106] close(6) = 0
[pid 5105] <... close resumed>) = 0
[pid 5104] <... close resumed>) = 0
[pid 5106] close(5 <unfinished ...>
[pid 5107] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5107] write(5, "t", 1 <unfinished ...>
[pid 5104] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5105] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5104] write(5, "t", 1 <unfinished ...>
[pid 5108] <... close resumed>) = 0
[pid 5106] <... close resumed>) = 0
[pid 5105] <... openat resumed>) = 5
[pid 5103] <... close resumed>) = 0
[pid 5105] write(5, "t", 1 <unfinished ...>
[pid 5103] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5103] write(5, "t", 1 <unfinished ...>
[pid 5108] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5107] <... write resumed>) = 1
[pid 5106] write(5, "t", 1 <unfinished ...>
[pid 5107] exit_group(0 <unfinished ...>
[pid 5108] write(5, "t", 1 <unfinished ...>
[pid 5107] <... exit_group resumed>) = ?
[pid 5104] <... write resumed>) = 1
[pid 5105] <... write resumed>) = 1
[pid 5104] exit_group(0 <unfinished ...>
[pid 5103] <... write resumed>) = 1
[pid 5105] exit_group(0 <unfinished ...>
[pid 5104] <... exit_group resumed>) = ?
[pid 5105] <... exit_group resumed>) = ?
[pid 5104] +++ exited with 0 +++
[pid 5103] exit_group(0) = ?
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5108] <... write resumed>) = 1
[pid 5108] exit_group(0) = ?
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5108] +++ exited with 0 +++
[pid 5062] <... openat resumed>) = 3
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5103] +++ exited with 0 +++
[pid 5062] <... ioctl resumed>) = 0
[pid 5106] <... write resumed>) = 1
[pid 5062] close(3 <unfinished ...>
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} ---
[pid 5062] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached
<unfinished ...>
[pid 5106] exit_group(0 <unfinished ...>
[pid 5109] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5109
[pid 5109] <... set_robust_list resumed>) = 0
[pid 5107] +++ exited with 0 +++
[pid 5106] <... exit_group resumed>) = ?
[pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} ---
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5109] <... prctl resumed>) = 0
[pid 5065] <... openat resumed>) = 3
[pid 5059] <... openat resumed>) = 3
[pid 5109] setpgid(0, 0 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5109] <... setpgid resumed>) = 0
[pid 5059] <... ioctl resumed>) = 0
[pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5059] close(3 <unfinished ...>
[pid 5109] <... openat resumed>) = 3
[pid 5065] <... ioctl resumed>) = 0
[pid 5059] <... close resumed>) = 0
[pid 5109] write(3, "1000", 4 <unfinished ...>
[pid 5065] close(3 <unfinished ...>
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5109] <... write resumed>) = 4
[pid 5106] +++ exited with 0 +++
[pid 5105] +++ exited with 0 +++
[pid 5065] <... close resumed>) = 0
./strace-static-x86_64: Process 5110 attached
[pid 5109] close(3 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} ---
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5110
[pid 5110] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5109] <... close resumed>) = 0
[pid 5060] <... openat resumed>) = 3
[pid 5109] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5109] <... openat resumed>) = 3
[pid 5109] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5060] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 5111 attached
[pid 5110] <... set_robust_list resumed>) = 0
[pid 5109] <... openat resumed>) = 4
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5060] close(3 <unfinished ...>
[pid 5111] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5109] sendfile(4, 3, [122] <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5060] <... close resumed>) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5111] <... set_robust_list resumed>) = 0
[pid 5110] <... prctl resumed>) = 0
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5111
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5112
[pid 5068] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 5112 attached
[pid 5068] close(3 <unfinished ...>
[pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5112] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5111] <... prctl resumed>) = 0
[pid 5112] <... set_robust_list resumed>) = 0
[pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5111] setpgid(0, 0 <unfinished ...>
[pid 5110] setpgid(0, 0 <unfinished ...>
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5111] <... setpgid resumed>) = 0
[pid 5110] <... setpgid resumed>) = 0
[pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5112] <... prctl resumed>) = 0
[pid 5061] <... openat resumed>) = 3
[pid 5112] setpgid(0, 0 <unfinished ...>
[pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5112] <... setpgid resumed>) = 0
[pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5112] write(3, "1000", 4) = 4
[pid 5112] close(3) = 0
[pid 5112] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5110] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5112] <... openat resumed>) = 3
[pid 5111] <... openat resumed>) = 3
[pid 5112] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5111] write(3, "1000", 4 <unfinished ...>
[pid 5110] write(3, "1000", 4 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5111] <... write resumed>) = 4
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5113
[pid 5111] close(3) = 0
[pid 5110] <... write resumed>) = 4
[pid 5061] <... close resumed>) = 0
[pid 5111] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5110] close(3 <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5112] <... openat resumed>) = 4
[pid 5111] <... openat resumed>) = 3
[pid 5112] sendfile(4, 3, [122]./strace-static-x86_64: Process 5113 attached
<unfinished ...>
[pid 5110] <... close resumed>) = 0
[pid 5113] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5111] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5110] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5111] <... openat resumed>) = 4
[pid 5111] sendfile(4, 3, [122]./strace-static-x86_64: Process 5114 attached
<unfinished ...>
[pid 5113] <... set_robust_list resumed>) = 0
[pid 5114] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5114] <... set_robust_list resumed>) = 0
[pid 5113] <... prctl resumed>) = 0
[pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5113] setpgid(0, 0 <unfinished ...>
[pid 5114] <... prctl resumed>) = 0
[pid 5113] <... setpgid resumed>) = 0
[pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5110] <... openat resumed>) = 3
[pid 5113] <... openat resumed>) = 3
[pid 5110] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5114
[pid 5110] <... openat resumed>) = 4
[pid 5114] setpgid(0, 0 <unfinished ...>
[pid 5113] write(3, "1000", 4 <unfinished ...>
[pid 5110] sendfile(4, 3, [122] <unfinished ...>
[pid 5113] <... write resumed>) = 4
[pid 5113] close(3) = 0
[pid 5114] <... setpgid resumed>) = 0
[pid 5113] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5113] <... openat resumed>) = 3
[pid 5114] <... openat resumed>) = 3
[pid 5113] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5113] sendfile(4, 3, [122] <unfinished ...>
[pid 5114] write(3, "1000", 4) = 4
[pid 5114] close(3) = 0
[pid 5114] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5114] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 69.838681][ T5111] syz-executor101 (5111): drop_caches: 3
[ 69.853263][ T5109] syz-executor101 (5109): drop_caches: 3
[ 69.854867][ T5110] syz-executor101 (5110): drop_caches: 3
[ 69.870472][ T5112] syz-executor101 (5112): drop_caches: 3
[ 69.883252][ T5113] syz-executor101 (5113): drop_caches: 3
[ 69.904634][ T5114] syz-executor101 (5114): drop_caches: 3
[ 70.010750][ T5110] syz-executor101 (5110): drop_caches: 3
[ 70.026616][ T5111] syz-executor101 (5111): drop_caches: 3
[pid 5114] sendfile(4, 3, [122] <unfinished ...>
[pid 5111] <... sendfile resumed> => [693], 571) = 571
[pid 5110] <... sendfile resumed> => [693], 571) = 571
[pid 5111] memfd_create("syzkaller", 0) = 5
[pid 5114] <... sendfile resumed> => [693], 571) = 571
[pid 5112] <... sendfile resumed> => [693], 571) = 571
[pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5110] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5109] <... sendfile resumed> => [693], 571) = 571
[pid 5114] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5112] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5111] <... mmap resumed>) = 0x7f082840d000
[pid 5110] <... memfd_create resumed>) = 5
[pid 5109] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5112] <... memfd_create resumed>) = 5
[pid 5114] <... memfd_create resumed>) = 5
[pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[ 70.070337][ T5109] syz-executor101 (5109): drop_caches: 3
[ 70.086617][ T5112] syz-executor101 (5112): drop_caches: 3
[ 70.104937][ T5113] syz-executor101 (5113): drop_caches: 3
[ 70.110611][ T5114] syz-executor101 (5114): drop_caches: 3
[pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5112] <... mmap resumed>) = 0x7f082840d000
[pid 5110] <... mmap resumed>) = 0x7f082840d000
[pid 5114] <... mmap resumed>) = 0x7f082840d000
[pid 5109] <... memfd_create resumed>) = 5
[pid 5114] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5113] <... sendfile resumed> => [693], 571) = 571
[pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5113] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5111] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5113] <... memfd_create resumed>) = 5
[pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5112] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5110] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5109] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5114] <... write resumed>) = 2097152
[pid 5111] <... write resumed>) = 2097152
[pid 5114] munmap(0x7f082840d000, 138412032) = 0
[pid 5111] munmap(0x7f082840d000, 138412032) = 0
[pid 5111] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5111] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5111] ioctl(6, LOOP_CLR_FD) = 0
[pid 5114] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5113] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5114] <... openat resumed>) = 6
[pid 5114] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5111] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5114] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5111] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5114] <... ioctl resumed>) = 0
[pid 5114] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5114] close(6) = 0
[pid 5114] close(5 <unfinished ...>
[pid 5111] close(6) = 0
[pid 5111] close(5 <unfinished ...>
[pid 5114] <... close resumed>) = 0
[pid 5112] <... write resumed>) = 2097152
[pid 5110] <... write resumed>) = 2097152
[pid 5112] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5110] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5112] <... munmap resumed>) = 0
[pid 5110] <... munmap resumed>) = 0
[pid 5112] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5112] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5112] ioctl(6, LOOP_CLR_FD) = 0
[pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5112] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5112] close(6) = 0
[pid 5112] close(5 <unfinished ...>
[pid 5110] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5110] ioctl(6, LOOP_CLR_FD) = 0
[pid 5114] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5110] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5113] <... write resumed>) = 2097152
[pid 5110] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5110] close(6 <unfinished ...>
[pid 5114] <... openat resumed>) = 5
[pid 5112] <... close resumed>) = 0
[pid 5111] <... close resumed>) = 0
[pid 5109] <... write resumed>) = 2097152
[pid 5114] write(5, "t", 1 <unfinished ...>
[pid 5113] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5110] <... close resumed>) = 0
[pid 5109] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5110] close(5 <unfinished ...>
[pid 5113] <... munmap resumed>) = 0
[pid 5110] <... close resumed>) = 0
[pid 5109] <... munmap resumed>) = 0
[pid 5109] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5109] <... openat resumed>) = 6
[pid 5111] write(5, "t", 1 <unfinished ...>
[pid 5114] <... write resumed>) = 1
[pid 5109] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5114] exit_group(0 <unfinished ...>
[pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5114] <... exit_group resumed>) = ?
[pid 5114] +++ exited with 0 +++
[pid 5112] <... openat resumed>) = 5
[pid 5109] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5112] write(5, "t", 1 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5113] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5109] <... ioctl resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5113] <... openat resumed>) = 6
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5113] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5113] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached
<unfinished ...>
[pid 5116] set_robust_list(0x555555646660, 24) = 0
[pid 5109] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5112] <... write resumed>) = 1
[pid 5111] <... write resumed>) = 1
[pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5112] exit_group(0 <unfinished ...>
[pid 5111] exit_group(0 <unfinished ...>
[pid 5112] <... exit_group resumed>) = ?
[pid 5111] <... exit_group resumed>) = ?
[pid 5109] close(6 <unfinished ...>
[pid 5113] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5112] +++ exited with 0 +++
[pid 5111] +++ exited with 0 +++
[pid 5109] <... close resumed>) = 0
[pid 5113] <... ioctl resumed>) = 0
[pid 5109] close(5 <unfinished ...>
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5116] <... prctl resumed>) = 0
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 5116] setpgid(0, 0 <unfinished ...>
[pid 5065] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5116] <... setpgid resumed>) = 0
[pid 5065] <... restart_syscall resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5116
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5060] <... openat resumed>) = 3
[pid 5116] <... openat resumed>) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5116] write(3, "1000", 4 <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5060] <... ioctl resumed>) = 0
[pid 5116] <... write resumed>) = 4
[pid 5065] <... openat resumed>) = 3
[pid 5060] close(3 <unfinished ...>
[pid 5116] close(3 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5060] <... close resumed>) = 0
[pid 5116] <... close resumed>) = 0
[pid 5065] <... ioctl resumed>) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached
<unfinished ...>
[pid 5116] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5065] close(3 <unfinished ...>
[pid 5117] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5116] <... openat resumed>) = 3
[pid 5110] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5065] <... close resumed>) = 0
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5117
[pid 5117] <... set_robust_list resumed>) = 0
[pid 5116] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5110] <... openat resumed>) = 5
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5116] <... openat resumed>) = 4
[pid 5113] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5117] <... prctl resumed>) = 0
[pid 5116] sendfile(4, 3, [122] <unfinished ...>
[pid 5110] write(5, "t", 1 <unfinished ...>
[pid 5113] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5118
[pid 5117] setpgid(0, 0 <unfinished ...>
[pid 5113] close(6 <unfinished ...>
[pid 5117] <... setpgid resumed>) = 0
./strace-static-x86_64: Process 5118 attached
[pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5113] <... close resumed>) = 0
[pid 5113] close(5 <unfinished ...>
[pid 5118] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5117] <... openat resumed>) = 3
[pid 5113] <... close resumed>) = 0
[pid 5117] write(3, "1000", 4) = 4
[pid 5117] close(3) = 0
[pid 5117] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5118] <... set_robust_list resumed>) = 0
[pid 5117] <... openat resumed>) = 3
[pid 5113] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5117] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5117] <... openat resumed>) = 4
[pid 5118] <... prctl resumed>) = 0
[pid 5117] sendfile(4, 3, [122] <unfinished ...>
[pid 5113] <... openat resumed>) = 5
[pid 5118] setpgid(0, 0 <unfinished ...>
[pid 5113] write(5, "t", 1 <unfinished ...>
[pid 5110] <... write resumed>) = 1
[pid 5110] exit_group(0 <unfinished ...>
[pid 5118] <... setpgid resumed>) = 0
[pid 5110] <... exit_group resumed>) = ?
[pid 5109] <... close resumed>) = 0
[pid 5110] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5113] <... write resumed>) = 1
[pid 5109] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5109] <... openat resumed>) = 5
[pid 5113] exit_group(0 <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5113] <... exit_group resumed>) = ?
[pid 5109] write(5, "t", 1 <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5118] <... openat resumed>) = 3
[pid 5113] +++ exited with 0 +++
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5119
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5118] write(3, "1000", 4 <unfinished ...>
[pid 5109] <... write resumed>) = 1
[pid 5068] <... openat resumed>) = 3
./strace-static-x86_64: Process 5119 attached
[pid 5109] exit_group(0 <unfinished ...>
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5119] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5118] <... write resumed>) = 4
[pid 5109] <... exit_group resumed>) = ?
[pid 5068] <... ioctl resumed>) = 0
[pid 5119] <... set_robust_list resumed>) = 0
[pid 5109] +++ exited with 0 +++
[pid 5068] close(3 <unfinished ...>
[pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5118] close(3 <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5119] <... prctl resumed>) = 0
[pid 5118] <... close resumed>) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5119] setpgid(0, 0) = 0
[pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 5120 attached
[pid 5119] write(3, "1000", 4 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5118] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5120
[pid 5062] <... openat resumed>) = 3
[pid 5118] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5118] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5120] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5119] <... write resumed>) = 4
[pid 5118] <... openat resumed>) = 4
[pid 5062] <... close resumed>) = 0
[pid 5120] <... set_robust_list resumed>) = 0
[pid 5119] close(3 <unfinished ...>
[pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5119] <... close resumed>) = 0
[pid 5120] <... prctl resumed>) = 0
[pid 5119] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5120] setpgid(0, 0 <unfinished ...>
[pid 5119] <... openat resumed>) = 3
[pid 5118] sendfile(4, 3, [122] <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5120] <... setpgid resumed>) = 0
[pid 5119] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5119] <... openat resumed>) = 4
[pid 5120] <... openat resumed>) = 3
[pid 5119] sendfile(4, 3, [122]./strace-static-x86_64: Process 5121 attached
<unfinished ...>
[pid 5120] write(3, "1000", 4 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5121
[pid 5120] <... write resumed>) = 4
[pid 5120] close(3) = 0
[pid 5120] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5120] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5120] sendfile(4, 3, [122] <unfinished ...>
[pid 5121] set_robust_list(0x555555646660, 24) = 0
[pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5121] setpgid(0, 0) = 0
[pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5121] write(3, "1000", 4) = 4
[pid 5121] close(3) = 0
[pid 5121] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5121] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 70.557903][ T5117] syz-executor101 (5117): drop_caches: 3
[ 70.584840][ T5116] syz-executor101 (5116): drop_caches: 3
[ 70.597454][ T5120] syz-executor101 (5120): drop_caches: 3
[ 70.613160][ T5119] syz-executor101 (5119): drop_caches: 3
[ 70.624385][ T5118] syz-executor101 (5118): drop_caches: 3
[ 70.672432][ T5121] syz-executor101 (5121): drop_caches: 3
[pid 5121] sendfile(4, 3, [122] <unfinished ...>
[pid 5118] <... sendfile resumed> => [693], 571) = 571
[pid 5116] <... sendfile resumed> => [693], 571) = 571
[ 70.797969][ T5118] syz-executor101 (5118): drop_caches: 3
[ 70.815893][ T5121] syz-executor101 (5121): drop_caches: 3
[ 70.829011][ T5120] syz-executor101 (5120): drop_caches: 3
[ 70.829011][ T5116] syz-executor101 (5116): drop_caches: 3
[ 70.840402][ T5117] syz-executor101 (5117): drop_caches: 3
[pid 5116] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5121] <... sendfile resumed> => [693], 571) = 571
[pid 5120] <... sendfile resumed> => [693], 571) = 571
[pid 5118] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5117] <... sendfile resumed> => [693], 571) = 571
[pid 5116] <... memfd_create resumed>) = 5
[pid 5117] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5121] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5118] <... memfd_create resumed>) = 5
[pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5120] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5117] <... memfd_create resumed>) = 5
[pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5121] <... memfd_create resumed>) = 5
[pid 5120] <... memfd_create resumed>) = 5
[pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5119] <... sendfile resumed> => [693], 571) = 571
[pid 5120] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5119] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5118] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5119] <... memfd_create resumed>) = 5
[pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 70.846598][ T5119] syz-executor101 (5119): drop_caches: 3
[pid 5116] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5121] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5117] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5120] <... write resumed>) = 2097152
[pid 5119] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5118] <... write resumed>) = 2097152
[pid 5120] munmap(0x7f082840d000, 138412032) = 0
[pid 5118] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5120] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5118] <... munmap resumed>) = 0
[pid 5116] <... write resumed>) = 2097152
[pid 5120] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5120] ioctl(6, LOOP_CLR_FD) = 0
[pid 5118] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5121] <... write resumed>) = 2097152
[pid 5119] <... write resumed>) = 2097152
[pid 5118] <... openat resumed>) = 6
[pid 5117] <... write resumed>) = 2097152
[pid 5116] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5121] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5120] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5119] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5118] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5121] <... munmap resumed>) = 0
[pid 5120] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5119] <... munmap resumed>) = 0
[pid 5118] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5117] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5120] close(6 <unfinished ...>
[pid 5121] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5120] <... close resumed>) = 0
[pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5117] <... munmap resumed>) = 0
[pid 5116] <... munmap resumed>) = 0
[pid 5118] ioctl(6, LOOP_CLR_FD) = 0
[pid 5120] close(5 <unfinished ...>
[pid 5121] <... openat resumed>) = 6
[pid 5119] <... openat resumed>) = 6
[pid 5117] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5116] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5121] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5119] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5117] <... openat resumed>) = 6
[pid 5116] <... openat resumed>) = 6
[pid 5117] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5119] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5117] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5119] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5116] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5121] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5119] <... ioctl resumed>) = 0
[pid 5116] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5117] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5121] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5117] <... ioctl resumed>) = 0
[pid 5121] <... ioctl resumed>) = 0
[pid 5116] ioctl(6, LOOP_CLR_FD) = 0
[pid 5119] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5117] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5119] close(6) = 0
[pid 5117] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5119] close(5 <unfinished ...>
[pid 5117] close(6) = 0
[pid 5116] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5116] close(6) = 0
[pid 5116] close(5 <unfinished ...>
[pid 5121] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5120] <... close resumed>) = 0
[pid 5117] close(5 <unfinished ...>
[pid 5120] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5121] close(6 <unfinished ...>
[pid 5118] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5121] <... close resumed>) = 0
[pid 5120] <... openat resumed>) = 5
[pid 5118] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5121] close(5 <unfinished ...>
[pid 5118] close(6) = 0
[pid 5120] write(5, "t", 1 <unfinished ...>
[pid 5118] close(5 <unfinished ...>
[pid 5119] <... close resumed>) = 0
[pid 5119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5119] write(5, "t", 1 <unfinished ...>
[pid 5120] <... write resumed>) = 1
[pid 5119] <... write resumed>) = 1
[pid 5120] exit_group(0 <unfinished ...>
[pid 5119] exit_group(0 <unfinished ...>
[pid 5120] <... exit_group resumed>) = ?
[pid 5119] <... exit_group resumed>) = ?
[pid 5120] +++ exited with 0 +++
[pid 5116] <... close resumed>) = 0
[pid 5118] <... close resumed>) = 0
[pid 5119] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5116] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5121] <... close resumed>) = 0
[pid 5118] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5117] <... close resumed>) = 0
[pid 5068] <... openat resumed>) = 3
[pid 5121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5118] <... openat resumed>) = 5
[pid 5117] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5116] <... openat resumed>) = 5
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5121] <... openat resumed>) = 5
[pid 5118] write(5, "t", 1 <unfinished ...>
[pid 5117] <... openat resumed>) = 5
[pid 5116] write(5, "t", 1 <unfinished ...>
[pid 5068] <... ioctl resumed>) = 0
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5121] write(5, "t", 1 <unfinished ...>
[pid 5117] write(5, "t", 1 <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5068] <... close resumed>) = 0
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 5122 attached
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5122
[pid 5122] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] close(3) = 0
[pid 5122] <... set_robust_list resumed>) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5123
./strace-static-x86_64: Process 5123 attached
[pid 5123] set_robust_list(0x555555646660, 24) = 0
[pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5117] <... write resumed>) = 1
[pid 5118] <... write resumed>) = 1
[pid 5116] <... write resumed>) = 1
[pid 5121] <... write resumed>) = 1
[pid 5122] setpgid(0, 0 <unfinished ...>
[pid 5118] exit_group(0 <unfinished ...>
[pid 5117] exit_group(0 <unfinished ...>
[pid 5122] <... setpgid resumed>) = 0
[pid 5121] exit_group(0 <unfinished ...>
[pid 5118] <... exit_group resumed>) = ?
[pid 5117] <... exit_group resumed>) = ?
[pid 5116] exit_group(0 <unfinished ...>
[pid 5123] <... prctl resumed>) = 0
[pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5121] <... exit_group resumed>) = ?
[pid 5118] +++ exited with 0 +++
[pid 5117] +++ exited with 0 +++
[pid 5116] <... exit_group resumed>) = ?
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5123] setpgid(0, 0 <unfinished ...>
[pid 5060] <... ioctl resumed>) = 0
[pid 5123] <... setpgid resumed>) = 0
[pid 5060] close(3 <unfinished ...>
[pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5060] <... close resumed>) = 0
[pid 5123] <... openat resumed>) = 3
[pid 5116] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5124
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5123] write(3, "1000", 4 <unfinished ...>
[pid 5122] <... openat resumed>) = 3
[pid 5121] +++ exited with 0 +++
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5122] write(3, "1000", 4 <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5061] <... ioctl resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached
<unfinished ...>
[pid 5122] <... write resumed>) = 4
[pid 5065] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5124] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5122] close(3 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5065] <... ioctl resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5124] <... set_robust_list resumed>) = 0
[pid 5122] <... close resumed>) = 0
[pid 5065] close(3 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5065] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached
<unfinished ...>
[pid 5123] <... write resumed>) = 4
[pid 5122] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5127] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5123] close(3 <unfinished ...>
[pid 5127] <... set_robust_list resumed>) = 0
[pid 5123] <... close resumed>) = 0
[pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5123] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5127] <... prctl resumed>) = 0
[pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5123] <... openat resumed>) = 3
./strace-static-x86_64: Process 5128 attached
[pid 5127] setpgid(0, 0 <unfinished ...>
[pid 5123] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5122] <... openat resumed>) = 3
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5128
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5127
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5125
[pid 5127] <... setpgid resumed>) = 0
[pid 5124] <... prctl resumed>) = 0
[pid 5123] <... openat resumed>) = 4
[pid 5128] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5123] sendfile(4, 3, [122] <unfinished ...>
[pid 5124] setpgid(0, 0./strace-static-x86_64: Process 5125 attached
<unfinished ...>
[pid 5128] <... set_robust_list resumed>) = 0
[pid 5127] <... openat resumed>) = 3
[pid 5122] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5127] write(3, "1000", 4) = 4
[pid 5125] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5122] <... openat resumed>) = 4
[pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5122] sendfile(4, 3, [122] <unfinished ...>
[pid 5127] close(3) = 0
[pid 5128] <... prctl resumed>) = 0
[pid 5127] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5125] <... set_robust_list resumed>) = 0
[pid 5124] <... setpgid resumed>) = 0
[pid 5128] setpgid(0, 0 <unfinished ...>
[pid 5127] <... openat resumed>) = 3
[pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5128] <... setpgid resumed>) = 0
[pid 5127] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5125] <... prctl resumed>) = 0
[pid 5124] <... openat resumed>) = 3
[pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5127] <... openat resumed>) = 4
[pid 5125] setpgid(0, 0 <unfinished ...>
[pid 5124] write(3, "1000", 4 <unfinished ...>
[pid 5128] <... openat resumed>) = 3
[pid 5127] sendfile(4, 3, [122] <unfinished ...>
[pid 5125] <... setpgid resumed>) = 0
[pid 5124] <... write resumed>) = 4
[pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5124] close(3 <unfinished ...>
[pid 5128] write(3, "1000", 4) = 4
[pid 5125] <... openat resumed>) = 3
[pid 5124] <... close resumed>) = 0
[pid 5125] write(3, "1000", 4 <unfinished ...>
[pid 5124] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5125] <... write resumed>) = 4
[pid 5124] <... openat resumed>) = 3
[pid 5128] close(3 <unfinished ...>
[pid 5125] close(3 <unfinished ...>
[pid 5124] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5128] <... close resumed>) = 0
[pid 5125] <... close resumed>) = 0
[pid 5124] <... openat resumed>) = 4
[pid 5128] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5125] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5124] sendfile(4, 3, [122] <unfinished ...>
[pid 5128] <... openat resumed>) = 3
[pid 5125] <... openat resumed>) = 3
[pid 5125] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5128] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5125] <... openat resumed>) = 4
[pid 5128] <... openat resumed>) = 4
[pid 5125] sendfile(4, 3, [122] <unfinished ...>
[ 71.309330][ T5125] syz-executor101 (5125): drop_caches: 3
[ 71.310279][ T5123] syz-executor101 (5123): drop_caches: 3
[ 71.319923][ T5122] syz-executor101 (5122): drop_caches: 3
[ 71.326319][ T5127] syz-executor101 (5127): drop_caches: 3
[ 71.351137][ T5128] syz-executor101 (5128): drop_caches: 3
[ 71.359827][ T5124] syz-executor101 (5124): drop_caches: 3
[pid 5128] sendfile(4, 3, [122] <unfinished ...>
[pid 5127] <... sendfile resumed> => [693], 571) = 571
[pid 5123] <... sendfile resumed> => [693], 571) = 571
[pid 5127] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5122] <... sendfile resumed> => [693], 571) = 571
[pid 5123] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5127] <... memfd_create resumed>) = 5
[pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5123] <... memfd_create resumed>) = 5
[pid 5127] <... mmap resumed>) = 0x7f082840d000
[pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5128] <... sendfile resumed> => [693], 571) = 571
[pid 5125] <... sendfile resumed> => [693], 571) = 571
[pid 5124] <... sendfile resumed> => [693], 571) = 571
[pid 5123] <... mmap resumed>) = 0x7f082840d000
[pid 5122] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5128] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5125] memfd_create("syzkaller", 0) = 5
[pid 5128] <... memfd_create resumed>) = 5
[pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5125] <... mmap resumed>) = 0x7f082840d000
[pid 5128] <... mmap resumed>) = 0x7f082840d000
[pid 5122] <... memfd_create resumed>) = 5
[pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5127] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5123] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5124] memfd_create("syzkaller", 0) = 5
[ 71.537787][ T5123] syz-executor101 (5123): drop_caches: 3
[ 71.545006][ T5127] syz-executor101 (5127): drop_caches: 3
[ 71.547055][ T5128] syz-executor101 (5128): drop_caches: 3
[ 71.554847][ T5125] syz-executor101 (5125): drop_caches: 3
[ 71.562921][ T5122] syz-executor101 (5122): drop_caches: 3
[ 71.572551][ T5124] syz-executor101 (5124): drop_caches: 3
[pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5122] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5125] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5128] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5127] <... write resumed>) = 2097152
[pid 5123] <... write resumed>) = 2097152
[pid 5127] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5123] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5127] <... munmap resumed>) = 0
[pid 5124] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5123] <... munmap resumed>) = 0
[pid 5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5127] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5123] <... openat resumed>) = 6
[pid 5127] <... openat resumed>) = 6
[pid 5123] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5122] <... write resumed>) = 2097152
[pid 5127] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5123] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5123] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5127] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5125] <... write resumed>) = 2097152
[pid 5122] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5127] <... ioctl resumed>) = 0
[pid 5125] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5123] <... ioctl resumed>) = 0
[pid 5122] <... munmap resumed>) = 0
[pid 5125] <... munmap resumed>) = 0
[pid 5124] <... write resumed>) = 2097152
[pid 5122] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5124] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5122] <... openat resumed>) = 6
[pid 5122] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5122] ioctl(6, LOOP_CLR_FD) = 0
[pid 5127] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5125] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5125] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5128] <... write resumed>) = 2097152
[pid 5127] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5124] <... munmap resumed>) = 0
[pid 5123] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5128] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5125] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5123] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5122] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5127] close(6 <unfinished ...>
[pid 5125] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5124] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5123] close(6 <unfinished ...>
[pid 5122] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5128] <... munmap resumed>) = 0
[pid 5125] <... ioctl resumed>) = 0
[pid 5124] <... openat resumed>) = 6
[pid 5122] close(6 <unfinished ...>
[pid 5128] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5122] <... close resumed>) = 0
[pid 5128] <... openat resumed>) = 6
[pid 5122] close(5 <unfinished ...>
[pid 5128] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5127] <... close resumed>) = 0
[pid 5124] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5123] <... close resumed>) = 0
[pid 5122] <... close resumed>) = 0
[pid 5128] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5125] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5122] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5128] <... ioctl resumed>) = 0
[pid 5125] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5124] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5123] close(5 <unfinished ...>
[pid 5125] close(6) = 0
[pid 5125] close(5 <unfinished ...>
[pid 5128] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5128] close(6) = 0
[pid 5122] <... openat resumed>) = 5
[pid 5127] close(5 <unfinished ...>
[pid 5125] <... close resumed>) = 0
[pid 5124] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5122] write(5, "t", 1 <unfinished ...>
[pid 5124] <... ioctl resumed>) = 0
[pid 5128] close(5 <unfinished ...>
[pid 5125] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5125] write(5, "t", 1 <unfinished ...>
[pid 5127] <... close resumed>) = 0
[pid 5123] <... close resumed>) = 0
[pid 5128] <... close resumed>) = 0
[pid 5122] <... write resumed>) = 1
[pid 5124] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5122] exit_group(0) = ?
[pid 5127] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5124] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5122] +++ exited with 0 +++
[pid 5124] close(6 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5125] <... write resumed>) = 1
[pid 5124] <... close resumed>) = 0
[pid 5124] close(5 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5127] <... openat resumed>) = 5
[pid 5125] exit_group(0) = ?
[pid 5068] <... openat resumed>) = 3
[pid 5127] write(5, "t", 1 <unfinished ...>
[pid 5125] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5061] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5123] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5127] <... write resumed>) = 1
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5128] <... openat resumed>) = 5
[pid 5123] <... openat resumed>) = 5
[pid 5128] write(5, "t", 1 <unfinished ...>
[pid 5123] write(5, "t", 1./strace-static-x86_64: Process 5130 attached
<unfinished ...>
[pid 5127] exit_group(0 <unfinished ...>
[pid 5130] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5068] <... ioctl resumed>) = 0
[pid 5130] <... set_robust_list resumed>) = 0
[pid 5127] <... exit_group resumed>) = ?
[pid 5068] close(3 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5130
[pid 5068] <... close resumed>) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5124] <... close resumed>) = 0
[pid 5130] <... prctl resumed>) = 0
[pid 5130] setpgid(0, 0) = 0
[pid 5128] <... write resumed>) = 1
[pid 5123] <... write resumed>) = 1
[pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5128] exit_group(0 <unfinished ...>
[pid 5123] exit_group(0 <unfinished ...>
[pid 5130] <... openat resumed>) = 3
[pid 5128] <... exit_group resumed>) = ?
[pid 5127] +++ exited with 0 +++
[pid 5124] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5130] write(3, "1000", 4 <unfinished ...>
[pid 5128] +++ exited with 0 +++
[pid 5123] <... exit_group resumed>) = ?
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5131
./strace-static-x86_64: Process 5131 attached
[pid 5130] <... write resumed>) = 4
[pid 5124] <... openat resumed>) = 5
[pid 5123] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5131] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5130] close(3 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5131] <... set_robust_list resumed>) = 0
[pid 5130] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5124] write(5, "t", 1 <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5059] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5130] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5131] <... prctl resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5059] <... restart_syscall resumed>) = 0
[pid 5131] setpgid(0, 0 <unfinished ...>
[pid 5130] <... openat resumed>) = 3
[pid 5062] <... close resumed>) = 0
[pid 5131] <... setpgid resumed>) = 0
[pid 5130] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached
<unfinished ...>
[pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5130] <... openat resumed>) = 4
[pid 5132] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5132
[pid 5132] <... set_robust_list resumed>) = 0
[pid 5131] <... openat resumed>) = 3
[pid 5065] <... openat resumed>) = 3
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5130] sendfile(4, 3, [122] <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5132] <... prctl resumed>) = 0
[pid 5131] write(3, "1000", 4 <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5059] <... openat resumed>) = 3
[pid 5132] setpgid(0, 0 <unfinished ...>
[pid 5131] <... write resumed>) = 4
[pid 5065] close(3 <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5132] <... setpgid resumed>) = 0
[pid 5131] close(3 <unfinished ...>
[pid 5065] <... close resumed>) = 0
[pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5131] <... close resumed>) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5132] <... openat resumed>) = 3
[pid 5059] close(3./strace-static-x86_64: Process 5133 attached
<unfinished ...>
[pid 5132] write(3, "1000", 4 <unfinished ...>
[pid 5131] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5133] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5132] <... write resumed>) = 4
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5133
[pid 5059] <... close resumed>) = 0
[pid 5133] <... set_robust_list resumed>) = 0
[pid 5132] close(3 <unfinished ...>
[pid 5131] <... openat resumed>) = 3
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5132] <... close resumed>) = 0
[pid 5132] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5131] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5133] <... prctl resumed>) = 0
[pid 5132] <... openat resumed>) = 3
[pid 5131] <... openat resumed>) = 4
[pid 5133] setpgid(0, 0 <unfinished ...>
[pid 5132] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5134 attached
<unfinished ...>
[pid 5133] <... setpgid resumed>) = 0
[pid 5132] <... openat resumed>) = 4
[pid 5134] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5132] sendfile(4, 3, [122] <unfinished ...>
[pid 5131] sendfile(4, 3, [122] <unfinished ...>
[pid 5134] <... set_robust_list resumed>) = 0
[pid 5133] <... openat resumed>) = 3
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5134
[pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5134] setpgid(0, 0) = 0
[pid 5133] write(3, "1000", 4 <unfinished ...>
[pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5133] <... write resumed>) = 4
[pid 5133] close(3) = 0
[pid 5134] <... openat resumed>) = 3
[pid 5133] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5134] write(3, "1000", 4 <unfinished ...>
[pid 5133] <... openat resumed>) = 3
[pid 5124] <... write resumed>) = 1
[pid 5134] <... write resumed>) = 4
[pid 5134] close(3) = 0
[pid 5134] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5134] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5134] sendfile(4, 3, [122] <unfinished ...>
[pid 5124] exit_group(0 <unfinished ...>
[pid 5133] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5124] <... exit_group resumed>) = ?
[pid 5133] <... openat resumed>) = 4
[pid 5133] sendfile(4, 3, [122] <unfinished ...>
[pid 5124] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5135
./strace-static-x86_64: Process 5135 attached
[pid 5135] set_robust_list(0x555555646660, 24) = 0
[pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5135] setpgid(0, 0) = 0
[pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5135] write(3, "1000", 4) = 4
[pid 5135] close(3) = 0
[pid 5135] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5135] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 71.976266][ T5132] syz-executor101 (5132): drop_caches: 3
[ 71.979766][ T5130] syz-executor101 (5130): drop_caches: 3
[ 71.991938][ T5131] syz-executor101 (5131): drop_caches: 3
[ 71.997255][ T5133] syz-executor101 (5133): drop_caches: 3
[ 72.003894][ T5134] syz-executor101 (5134): drop_caches: 3
[ 72.153773][ T5135] syz-executor101 (5135): drop_caches: 3
[pid 5135] sendfile(4, 3, [122] <unfinished ...>
[pid 5130] <... sendfile resumed> => [693], 571) = 571
[pid 5130] memfd_create("syzkaller", 0) = 5
[pid 5131] <... sendfile resumed> => [693], 571) = 571
[ 72.254557][ T5130] syz-executor101 (5130): drop_caches: 3
[ 72.266518][ T5131] syz-executor101 (5131): drop_caches: 3
[ 72.290841][ T5132] syz-executor101 (5132): drop_caches: 3
[pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5135] <... sendfile resumed> => [693], 571) = 571
[pid 5131] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5130] <... mmap resumed>) = 0x7f082840d000
[pid 5132] <... sendfile resumed> => [693], 571) = 571
[pid 5132] memfd_create("syzkaller", 0) = 5
[pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5134] <... sendfile resumed> => [693], 571) = 571
[pid 5135] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5134] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5131] <... memfd_create resumed>) = 5
[pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5134] <... memfd_create resumed>) = 5
[pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5133] <... sendfile resumed> => [693], 571) = 571
[pid 5135] <... memfd_create resumed>) = 5
[pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5133] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5135] <... mmap resumed>) = 0x7f082840d000
[pid 5133] <... memfd_create resumed>) = 5
[ 72.304103][ T5135] syz-executor101 (5135): drop_caches: 3
[ 72.304711][ T5134] syz-executor101 (5134): drop_caches: 3
[ 72.311258][ T5133] syz-executor101 (5133): drop_caches: 3
[pid 5132] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5134] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5132] <... write resumed>) = 2097152
[pid 5131] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5135] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5133] <... mmap resumed>) = 0x7f082840d000
[pid 5132] munmap(0x7f082840d000, 138412032) = 0
[pid 5132] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5130] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5132] <... openat resumed>) = 6
[pid 5132] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5132] ioctl(6, LOOP_CLR_FD) = 0
[pid 5132] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5132] close(6 <unfinished ...>
[pid 5133] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5132] <... close resumed>) = 0
[pid 5132] close(5 <unfinished ...>
[pid 5135] <... write resumed>) = 2097152
[pid 5132] <... close resumed>) = 0
[pid 5131] <... write resumed>) = 2097152
[pid 5135] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5131] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5135] <... munmap resumed>) = 0
[pid 5131] <... munmap resumed>) = 0
[pid 5135] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5131] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5135] <... openat resumed>) = 6
[pid 5131] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5135] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5131] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5131] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5135] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5131] <... ioctl resumed>) = 0
[pid 5135] <... ioctl resumed>) = 0
[pid 5134] <... write resumed>) = 2097152
[pid 5133] <... write resumed>) = 2097152
[pid 5135] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5133] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5131] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5131] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5135] close(6 <unfinished ...>
[pid 5131] close(6) = 0
[pid 5131] close(5 <unfinished ...>
[pid 5134] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5134] <... munmap resumed>) = 0
[pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5135] <... close resumed>) = 0
[pid 5134] <... openat resumed>) = 6
[pid 5134] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5132] <... openat resumed>) = 5
[pid 5132] write(5, "t", 1 <unfinished ...>
[pid 5135] close(5 <unfinished ...>
[pid 5134] ioctl(6, LOOP_CLR_FD) = 0
[pid 5134] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5134] close(6) = 0
[pid 5134] close(5 <unfinished ...>
[pid 5133] <... munmap resumed>) = 0
[pid 5130] <... write resumed>) = 2097152
[pid 5133] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5132] <... write resumed>) = 1
[pid 5132] exit_group(0) = ?
[pid 5133] <... openat resumed>) = 6
[pid 5133] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5132] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5133] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5133] <... ioctl resumed>) = 0
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5136 attached
<unfinished ...>
[pid 5136] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5136
[pid 5136] <... set_robust_list resumed>) = 0
[pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5136] setpgid(0, 0) = 0
[pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5136] write(3, "1000", 4 <unfinished ...>
[pid 5130] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5133] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5136] <... write resumed>) = 4
[pid 5133] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5136] close(3 <unfinished ...>
[pid 5133] close(6 <unfinished ...>
[pid 5136] <... close resumed>) = 0
[pid 5133] <... close resumed>) = 0
[pid 5133] close(5 <unfinished ...>
[pid 5136] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5136] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5131] <... close resumed>) = 0
[pid 5136] <... openat resumed>) = 4
[pid 5135] <... close resumed>) = 0
[pid 5134] <... close resumed>) = 0
[pid 5131] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5130] <... munmap resumed>) = 0
[pid 5130] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5136] sendfile(4, 3, [122] <unfinished ...>
[pid 5135] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5134] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5133] <... close resumed>) = 0
[pid 5131] <... openat resumed>) = 5
[pid 5130] <... openat resumed>) = 6
[pid 5135] <... openat resumed>) = 5
[pid 5130] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5135] write(5, "t", 1 <unfinished ...>
[pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5134] <... openat resumed>) = 5
[pid 5131] write(5, "t", 1 <unfinished ...>
[pid 5130] ioctl(6, LOOP_CLR_FD) = 0
[pid 5134] write(5, "t", 1 <unfinished ...>
[pid 5133] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5130] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5133] write(5, "t", 1 <unfinished ...>
[pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5130] close(6) = 0
[pid 5130] close(5 <unfinished ...>
[pid 5134] <... write resumed>) = 1
[pid 5133] <... write resumed>) = 1
[pid 5131] <... write resumed>) = 1
[pid 5134] exit_group(0 <unfinished ...>
[pid 5133] exit_group(0 <unfinished ...>
[pid 5134] <... exit_group resumed>) = ?
[pid 5133] <... exit_group resumed>) = ?
[pid 5131] exit_group(0 <unfinished ...>
[pid 5134] +++ exited with 0 +++
[pid 5133] +++ exited with 0 +++
[pid 5131] <... exit_group resumed>) = ?
[pid 5130] <... close resumed>) = 0
[pid 5135] <... write resumed>) = 1
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5131] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} ---
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5065] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5065] <... restart_syscall resumed>) = 0
[pid 5068] <... openat resumed>) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5135] exit_group(0 <unfinished ...>
[pid 5068] <... ioctl resumed>) = 0
[pid 5059] <... ioctl resumed>) = 0
[pid 5068] close(3 <unfinished ...>
[pid 5059] close(3 <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5135] <... exit_group resumed>) = ?
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5059] <... close resumed>) = 0
./strace-static-x86_64: Process 5137 attached
[pid 5135] +++ exited with 0 +++
[pid 5065] <... openat resumed>) = 3
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5137] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5137
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5065] <... ioctl resumed>) = 0
[pid 5065] close(3) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached
<unfinished ...>
[pid 5137] <... set_robust_list resumed>) = 0
[pid 5139] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5139
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5138
[pid 5139] <... set_robust_list resumed>) = 0
[pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5137] <... prctl resumed>) = 0
[pid 5139] <... prctl resumed>) = 0
[pid 5060] <... openat resumed>) = 3
[pid 5137] setpgid(0, 0 <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5137] <... setpgid resumed>) = 0
[pid 5130] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5060] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 5138 attached
[pid 5139] setpgid(0, 0 <unfinished ...>
[pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5060] close(3 <unfinished ...>
[pid 5139] <... setpgid resumed>) = 0
[pid 5138] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5137] <... openat resumed>) = 3
[pid 5060] <... close resumed>) = 0
[pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5138] <... set_robust_list resumed>) = 0
[pid 5137] write(3, "1000", 4 <unfinished ...>
[pid 5130] <... openat resumed>) = 5
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5139] <... openat resumed>) = 3
[pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5137] <... write resumed>) = 4
[pid 5130] write(5, "t", 1 <unfinished ...>
[pid 5139] write(3, "1000", 4 <unfinished ...>
[pid 5138] <... prctl resumed>) = 0
[pid 5139] <... write resumed>) = 4
[pid 5138] setpgid(0, 0 <unfinished ...>
[pid 5139] close(3 <unfinished ...>
[pid 5138] <... setpgid resumed>) = 0
[pid 5139] <... close resumed>) = 0
[pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5139] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5138] <... openat resumed>) = 3
[pid 5139] <... openat resumed>) = 3
[pid 5138] write(3, "1000", 4 <unfinished ...>
[pid 5137] close(3 <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5140
./strace-static-x86_64: Process 5140 attached
[pid 5137] <... close resumed>) = 0
[pid 5140] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5138] <... write resumed>) = 4
[pid 5137] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5140] <... set_robust_list resumed>) = 0
[pid 5138] close(3 <unfinished ...>
[pid 5137] <... openat resumed>) = 3
[pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5138] <... close resumed>) = 0
[pid 5137] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] <... prctl resumed>) = 0
[pid 5138] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5140] setpgid(0, 0 <unfinished ...>
[pid 5138] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] <... setpgid resumed>) = 0
[pid 5138] <... openat resumed>) = 4
[pid 5137] <... openat resumed>) = 4
[pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5138] sendfile(4, 3, [122] <unfinished ...>
[pid 5137] sendfile(4, 3, [122] <unfinished ...>
[pid 5140] <... openat resumed>) = 3
[pid 5139] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] write(3, "1000", 4 <unfinished ...>
[pid 5139] <... openat resumed>) = 4
[pid 5130] <... write resumed>) = 1
[pid 5140] <... write resumed>) = 4
[pid 5139] sendfile(4, 3, [122] <unfinished ...>
[pid 5130] exit_group(0 <unfinished ...>
[pid 5140] close(3 <unfinished ...>
[pid 5130] <... exit_group resumed>) = ?
[pid 5140] <... close resumed>) = 0
[pid 5130] +++ exited with 0 +++
[pid 5140] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5140] <... openat resumed>) = 3
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5140] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5140] sendfile(4, 3, [122] <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached
<unfinished ...>
[pid 5141] set_robust_list(0x555555646660, 24) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5141
[pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5141] setpgid(0, 0) = 0
[pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5141] write(3, "1000", 4) = 4
[pid 5141] close(3) = 0
[pid 5141] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5141] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 72.717116][ T5137] syz-executor101 (5137): drop_caches: 3
[ 72.719026][ T5136] syz-executor101 (5136): drop_caches: 3
[ 72.738381][ T5140] syz-executor101 (5140): drop_caches: 3
[ 72.746813][ T5138] syz-executor101 (5138): drop_caches: 3
[ 72.756058][ T5139] syz-executor101 (5139): drop_caches: 3
[ 72.779817][ T5141] syz-executor101 (5141): drop_caches: 3
[pid 5141] sendfile(4, 3, [122] <unfinished ...>
[pid 5140] <... sendfile resumed> => [693], 571) = 571
[pid 5137] <... sendfile resumed> => [693], 571) = 571
[pid 5138] <... sendfile resumed> => [693], 571) = 571
[ 73.000327][ T5137] syz-executor101 (5137): drop_caches: 3
[ 73.008084][ T5138] syz-executor101 (5138): drop_caches: 3
[ 73.031149][ T5140] syz-executor101 (5140): drop_caches: 3
[ 73.042754][ T5136] syz-executor101 (5136): drop_caches: 3
[pid 5140] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5139] <... sendfile resumed> => [693], 571) = 571
[pid 5138] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5137] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5136] <... sendfile resumed> => [693], 571) = 571
[pid 5139] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5138] <... memfd_create resumed>) = 5
[pid 5137] <... memfd_create resumed>) = 5
[pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5138] <... mmap resumed>) = 0x7f082840d000
[pid 5137] <... mmap resumed>) = 0x7f082840d000
[pid 5140] <... memfd_create resumed>) = 5
[pid 5139] <... memfd_create resumed>) = 5
[pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5136] memfd_create("syzkaller", 0) = 5
[pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5140] <... mmap resumed>) = 0x7f082840d000
[pid 5139] <... mmap resumed>) = 0x7f082840d000
[pid 5136] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5141] <... sendfile resumed> => [693], 571) = 571
[pid 5138] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5137] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5141] memfd_create("syzkaller", 0) = 5
[pid 5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 73.053086][ T5139] syz-executor101 (5139): drop_caches: 3
[ 73.079250][ T5141] syz-executor101 (5141): drop_caches: 3
[pid 5139] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5140] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5138] <... write resumed>) = 2097152
[pid 5139] <... write resumed>) = 2097152
[pid 5136] <... write resumed>) = 2097152
[pid 5137] <... write resumed>) = 2097152
[pid 5137] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5141] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5137] <... munmap resumed>) = 0
[pid 5140] <... write resumed>) = 2097152
[pid 5139] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5138] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5137] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5136] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5141] <... write resumed>) = 2097152
[pid 5141] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5137] <... openat resumed>) = 6
[pid 5140] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5137] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5138] <... munmap resumed>) = 0
[pid 5137] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5137] <... ioctl resumed>) = 0
[pid 5138] <... openat resumed>) = 6
[pid 5138] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5137] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5141] <... munmap resumed>) = 0
[pid 5138] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5137] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5138] <... ioctl resumed>) = 0
[pid 5137] close(6 <unfinished ...>
[pid 5141] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5140] <... munmap resumed>) = 0
[pid 5139] <... munmap resumed>) = 0
[pid 5137] <... close resumed>) = 0
[pid 5136] <... munmap resumed>) = 0
[pid 5140] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5139] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5138] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5137] close(5 <unfinished ...>
[pid 5140] <... openat resumed>) = 6
[pid 5139] <... openat resumed>) = 6
[pid 5138] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5136] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5138] close(6 <unfinished ...>
[pid 5141] <... openat resumed>) = 6
[pid 5141] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5138] <... close resumed>) = 0
[pid 5136] <... openat resumed>) = 6
[pid 5141] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5138] close(5 <unfinished ...>
[pid 5136] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5141] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5140] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5136] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5136] ioctl(6, LOOP_CLR_FD) = 0
[pid 5139] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5139] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5136] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5139] <... ioctl resumed>) = 0
[pid 5136] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5136] close(6) = 0
[pid 5136] close(5 <unfinished ...>
[pid 5140] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5139] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5141] <... ioctl resumed>) = 0
[pid 5140] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5139] close(6 <unfinished ...>
[pid 5140] <... ioctl resumed>) = 0
[pid 5139] <... close resumed>) = 0
[pid 5139] close(5 <unfinished ...>
[pid 5141] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5140] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5141] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5140] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5141] close(6 <unfinished ...>
[pid 5140] close(6 <unfinished ...>
[pid 5141] <... close resumed>) = 0
[pid 5141] close(5 <unfinished ...>
[pid 5140] <... close resumed>) = 0
[pid 5138] <... close resumed>) = 0
[pid 5137] <... close resumed>) = 0
[pid 5136] <... close resumed>) = 0
[pid 5138] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5141] <... close resumed>) = 0
[pid 5140] close(5 <unfinished ...>
[pid 5137] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5139] <... close resumed>) = 0
[pid 5139] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5139] <... openat resumed>) = 5
[pid 5138] <... openat resumed>) = 5
[pid 5137] <... openat resumed>) = 5
[pid 5136] <... openat resumed>) = 5
[pid 5139] write(5, "t", 1 <unfinished ...>
[pid 5138] write(5, "t", 1 <unfinished ...>
[pid 5137] write(5, "t", 1 <unfinished ...>
[pid 5136] write(5, "t", 1 <unfinished ...>
[pid 5141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5141] write(5, "t", 1 <unfinished ...>
[pid 5136] <... write resumed>) = 1
[pid 5136] exit_group(0) = ?
[pid 5136] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} ---
[pid 5141] <... write resumed>) = 1
[pid 5139] <... write resumed>) = 1
[pid 5138] <... write resumed>) = 1
[pid 5137] <... write resumed>) = 1
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5141] exit_group(0 <unfinished ...>
[pid 5139] exit_group(0 <unfinished ...>
[pid 5138] exit_group(0 <unfinished ...>
[pid 5137] exit_group(0 <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5141] <... exit_group resumed>) = ?
[pid 5139] <... exit_group resumed>) = ?
[pid 5138] <... exit_group resumed>) = ?
[pid 5137] <... exit_group resumed>) = ?
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5139] +++ exited with 0 +++
[pid 5062] <... ioctl resumed>) = 0
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5138] +++ exited with 0 +++
./strace-static-x86_64: Process 5142 attached
[pid 5142] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5142
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5142] <... set_robust_list resumed>) = 0
[pid 5141] +++ exited with 0 +++
[pid 5059] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5059] <... restart_syscall resumed>) = 0
[pid 5142] <... prctl resumed>) = 0
[pid 5065] <... openat resumed>) = 3
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5142] setpgid(0, 0 <unfinished ...>
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5142] <... setpgid resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5142] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5137] +++ exited with 0 +++
[pid 5142] write(3, "1000", 4 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5065] close(3 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5059] close(3 <unfinished ...>
[pid 5142] <... write resumed>) = 4
[pid 5065] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5143 attached
<unfinished ...>
[pid 5142] close(3 <unfinished ...>
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] <... close resumed>) = 0
[pid 5143] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5142] <... close resumed>) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5143
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5143] <... set_robust_list resumed>) = 0
[pid 5142] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5068] <... openat resumed>) = 3
./strace-static-x86_64: Process 5145 attached
./strace-static-x86_64: Process 5144 attached
[pid 5143] <... prctl resumed>) = 0
[pid 5142] <... openat resumed>) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5144
[pid 5143] setpgid(0, 0 <unfinished ...>
[pid 5068] <... ioctl resumed>) = 0
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5145
[pid 5145] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5144] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5143] <... setpgid resumed>) = 0
[pid 5068] close(3 <unfinished ...>
[pid 5145] <... set_robust_list resumed>) = 0
[pid 5144] <... set_robust_list resumed>) = 0
[pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5142] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5143] <... openat resumed>) = 3
[pid 5142] <... openat resumed>) = 4
[pid 5140] <... close resumed>) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5145] <... prctl resumed>) = 0
[pid 5144] <... prctl resumed>) = 0
[pid 5143] write(3, "1000", 4 <unfinished ...>
[pid 5142] sendfile(4, 3, [122] <unfinished ...>
[pid 5140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5145] setpgid(0, 0 <unfinished ...>
[pid 5144] setpgid(0, 0 <unfinished ...>
[pid 5143] <... write resumed>) = 4
[pid 5145] <... setpgid resumed>) = 0
[pid 5144] <... setpgid resumed>) = 0
[pid 5143] close(3 <unfinished ...>
[pid 5140] <... openat resumed>) = 5
[pid 5143] <... close resumed>) = 0
[pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5143] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5144] <... openat resumed>) = 3
[pid 5140] write(5, "t", 1./strace-static-x86_64: Process 5146 attached
<unfinished ...>
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5146
[pid 5146] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5145] <... openat resumed>) = 3
[pid 5143] <... openat resumed>) = 3
[pid 5146] <... set_robust_list resumed>) = 0
[pid 5145] write(3, "1000", 4 <unfinished ...>
[pid 5143] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5144] write(3, "1000", 4 <unfinished ...>
[pid 5143] <... openat resumed>) = 4
[pid 5144] <... write resumed>) = 4
[pid 5143] sendfile(4, 3, [122] <unfinished ...>
[pid 5146] <... prctl resumed>) = 0
[pid 5144] close(3 <unfinished ...>
[pid 5146] setpgid(0, 0 <unfinished ...>
[pid 5145] <... write resumed>) = 4
[pid 5144] <... close resumed>) = 0
[pid 5146] <... setpgid resumed>) = 0
[pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5144] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5140] <... write resumed>) = 1
[pid 5146] <... openat resumed>) = 3
[pid 5145] close(3 <unfinished ...>
[pid 5144] <... openat resumed>) = 3
[pid 5140] exit_group(0 <unfinished ...>
[pid 5146] write(3, "1000", 4 <unfinished ...>
[pid 5144] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] <... exit_group resumed>) = ?
[pid 5146] <... write resumed>) = 4
[pid 5145] <... close resumed>) = 0
[pid 5145] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5145] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] +++ exited with 0 +++
[pid 5146] close(3) = 0
[pid 5145] <... openat resumed>) = 4
[pid 5144] <... openat resumed>) = 4
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} ---
[pid 5145] sendfile(4, 3, [122] <unfinished ...>
[pid 5144] sendfile(4, 3, [122] <unfinished ...>
[pid 5060] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5146] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5060] <... restart_syscall resumed>) = 0
[pid 5146] <... openat resumed>) = 3
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5146] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5060] close(3 <unfinished ...>
[pid 5146] <... openat resumed>) = 4
[pid 5060] <... close resumed>) = 0
[pid 5146] sendfile(4, 3, [122] <unfinished ...>
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5147 attached
<unfinished ...>
[pid 5147] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5147
[pid 5147] <... set_robust_list resumed>) = 0
[pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5147] setpgid(0, 0) = 0
[pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5147] write(3, "1000", 4) = 4
[pid 5147] close(3) = 0
[pid 5147] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5147] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 73.490716][ T5143] syz-executor101 (5143): drop_caches: 3
[ 73.508243][ T5144] syz-executor101 (5144): drop_caches: 3
[ 73.509804][ T5146] syz-executor101 (5146): drop_caches: 3
[ 73.526296][ T5142] syz-executor101 (5142): drop_caches: 3
[ 73.535365][ T5145] syz-executor101 (5145): drop_caches: 3
[pid 5147] sendfile(4, 3, [122] <unfinished ...>
[pid 5144] <... sendfile resumed> => [693], 571) = 571
[pid 5144] memfd_create("syzkaller", 0) = 5
[pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 73.645677][ T5144] syz-executor101 (5144): drop_caches: 3
[ 73.678536][ T5147] syz-executor101 (5147): drop_caches: 3
[pid 5144] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5143] <... sendfile resumed> => [693], 571) = 571
[pid 5142] <... sendfile resumed> => [693], 571) = 571
[pid 5144] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5143] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5142] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5143] <... memfd_create resumed>) = 5
[pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5146] <... sendfile resumed> => [693], 571) = 571
[pid 5144] <... munmap resumed>) = 0
[pid 5142] <... memfd_create resumed>) = 5
[pid 5144] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5144] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5142] <... mmap resumed>) = 0x7f082840d000
[pid 5146] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5144] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5144] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5146] <... memfd_create resumed>) = 5
[pid 5144] <... ioctl resumed>) = 0
[ 73.753781][ T5142] syz-executor101 (5142): drop_caches: 3
[ 73.764712][ T5143] syz-executor101 (5143): drop_caches: 3
[ 73.765482][ T5146] syz-executor101 (5146): drop_caches: 3
[ 73.774577][ T5145] syz-executor101 (5145): drop_caches: 3
[pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5147] <... sendfile resumed> => [693], 571) = 571
[pid 5144] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5144] close(6) = 0
[pid 5144] close(5 <unfinished ...>
[pid 5145] <... sendfile resumed> => [693], 571) = 571
[pid 5145] memfd_create("syzkaller", 0) = 5
[pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5147] memfd_create("syzkaller", 0) = 5
[pid 5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5143] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5142] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5144] <... close resumed>) = 0
[pid 5145] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[ 73.805922][ T5147] syz-executor101 (5147): drop_caches: 3
[pid 5144] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5144] write(5, "t", 1 <unfinished ...>
[pid 5146] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5142] <... write resumed>) = 2097152
[pid 5143] <... write resumed>) = 2097152
[pid 5143] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5147] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5144] <... write resumed>) = 1
[pid 5143] <... munmap resumed>) = 0
[pid 5142] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5144] exit_group(0) = ?
[pid 5143] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5143] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5143] ioctl(6, LOOP_CLR_FD) = 0
[pid 5144] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5146] <... write resumed>) = 2097152
[pid 5145] <... write resumed>) = 2097152
[pid 5142] <... munmap resumed>) = 0
[pid 5146] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5143] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5142] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5143] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5142] <... openat resumed>) = 6
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5143] close(6 <unfinished ...>
[pid 5142] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5143] <... close resumed>) = 0
[pid 5142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5065] <... openat resumed>) = 3
[pid 5143] close(5 <unfinished ...>
[pid 5142] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5146] <... munmap resumed>) = 0
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5142] <... ioctl resumed>) = 0
[pid 5145] munmap(0x7f082840d000, 138412032) = 0
[pid 5147] <... write resumed>) = 2097152
[pid 5146] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5143] <... close resumed>) = 0
[pid 5142] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5147] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5146] <... openat resumed>) = 6
[pid 5145] <... openat resumed>) = 6
[pid 5142] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5065] close(3 <unfinished ...>
[pid 5145] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5142] close(6 <unfinished ...>
[pid 5065] <... close resumed>) = 0
[pid 5146] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5142] <... close resumed>) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5145] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5142] close(5 <unfinished ...>
[pid 5146] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5145] <... ioctl resumed>) = 0
[pid 5143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000./strace-static-x86_64: Process 5148 attached
<unfinished ...>
[pid 5147] <... munmap resumed>) = 0
[pid 5146] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5143] <... openat resumed>) = 5
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5148
[pid 5148] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5147] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5146] <... ioctl resumed>) = 0
[pid 5145] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5143] write(5, "t", 1 <unfinished ...>
[pid 5148] <... set_robust_list resumed>) = 0
[pid 5147] <... openat resumed>) = 6
[pid 5145] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5147] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5145] close(6 <unfinished ...>
[pid 5148] <... prctl resumed>) = 0
[pid 5147] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5145] <... close resumed>) = 0
[pid 5145] close(5 <unfinished ...>
[pid 5146] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5148] setpgid(0, 0 <unfinished ...>
[pid 5147] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5146] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5148] <... setpgid resumed>) = 0
[pid 5147] <... ioctl resumed>) = 0
[pid 5146] close(6) = 0
[pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5146] close(5 <unfinished ...>
[pid 5147] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5143] <... write resumed>) = 1
[pid 5147] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5143] exit_group(0 <unfinished ...>
[pid 5147] close(6 <unfinished ...>
[pid 5143] <... exit_group resumed>) = ?
[pid 5143] +++ exited with 0 +++
[pid 5147] <... close resumed>) = 0
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5147] close(5 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5148] <... openat resumed>) = 3
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached
<unfinished ...>
[pid 5148] write(3, "1000", 4 <unfinished ...>
[pid 5147] <... close resumed>) = 0
[pid 5145] <... close resumed>) = 0
[pid 5149] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5148] <... write resumed>) = 4
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5149
[pid 5149] <... set_robust_list resumed>) = 0
[pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5149] setpgid(0, 0 <unfinished ...>
[pid 5142] <... close resumed>) = 0
[pid 5149] <... setpgid resumed>) = 0
[pid 5148] close(3 <unfinished ...>
[pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5149] write(3, "1000", 4) = 4
[pid 5142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5149] close(3 <unfinished ...>
[pid 5142] <... openat resumed>) = 5
[pid 5149] <... close resumed>) = 0
[pid 5149] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5149] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5142] write(5, "t", 1 <unfinished ...>
[pid 5148] <... close resumed>) = 0
[pid 5149] <... openat resumed>) = 4
[pid 5149] sendfile(4, 3, [122] <unfinished ...>
[pid 5145] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5148] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5147] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5142] <... write resumed>) = 1
[pid 5146] <... close resumed>) = 0
[pid 5142] exit_group(0 <unfinished ...>
[pid 5145] <... openat resumed>) = 5
[pid 5145] write(5, "t", 1 <unfinished ...>
[pid 5148] <... openat resumed>) = 3
[pid 5147] <... openat resumed>) = 5
[pid 5146] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5148] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5147] write(5, "t", 1 <unfinished ...>
[pid 5142] <... exit_group resumed>) = ?
[pid 5148] <... openat resumed>) = 4
[pid 5142] +++ exited with 0 +++
[pid 5148] sendfile(4, 3, [122] <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} ---
[pid 5146] <... openat resumed>) = 5
[pid 5146] write(5, "t", 1 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[pid 5147] <... write resumed>) = 1
[pid 5147] exit_group(0) = ?
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5147] +++ exited with 0 +++
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5150
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5146] <... write resumed>) = 1
[pid 5146] exit_group(0) = ?
./strace-static-x86_64: Process 5150 attached
[pid 5145] <... write resumed>) = 1
[pid 5150] set_robust_list(0x555555646660, 24) = 0
[pid 5145] exit_group(0 <unfinished ...>
[pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5146] +++ exited with 0 +++
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5150] <... prctl resumed>) = 0
[pid 5145] <... exit_group resumed>) = ?
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid 5150] setpgid(0, 0 <unfinished ...>
[pid 5060] <... openat resumed>) = 3
[pid 5150] <... setpgid resumed>) = 0
[pid 5145] +++ exited with 0 +++
[pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5150] <... openat resumed>) = 3
[pid 5150] write(3, "1000", 4 <unfinished ...>
[pid 5060] <... ioctl resumed>) = 0
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5060] close(3 <unfinished ...>
[pid 5059] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5150] <... write resumed>) = 4
[pid 5060] <... close resumed>) = 0
[pid 5150] close(3 <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] <... restart_syscall resumed>) = 0
[pid 5150] <... close resumed>) = 0
[pid 5150] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
./strace-static-x86_64: Process 5151 attached
[pid 5150] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5151
[pid 5151] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5150] <... openat resumed>) = 4
[pid 5150] sendfile(4, 3, [122] <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5151] <... set_robust_list resumed>) = 0
[pid 5068] <... ioctl resumed>) = 0
[pid 5059] <... openat resumed>) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5151] <... prctl resumed>) = 0
[pid 5068] <... close resumed>) = 0
[pid 5059] close(3) = 0
[pid 5151] setpgid(0, 0 <unfinished ...>
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5151] <... setpgid resumed>) = 0
./strace-static-x86_64: Process 5153 attached
[pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5153] set_robust_list(0x555555646660, 24./strace-static-x86_64: Process 5152 attached
<unfinished ...>
[pid 5151] <... openat resumed>) = 3
[pid 5153] <... set_robust_list resumed>) = 0
[pid 5151] write(3, "1000", 4 <unfinished ...>
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5153
[pid 5152] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5151] <... write resumed>) = 4
[pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5152] <... set_robust_list resumed>) = 0
[pid 5151] close(3 <unfinished ...>
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5152
[pid 5153] <... prctl resumed>) = 0
[pid 5151] <... close resumed>) = 0
[pid 5151] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5153] setpgid(0, 0) = 0
[pid 5151] <... openat resumed>) = 3
[pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5153] write(3, "1000", 4) = 4
[pid 5153] close(3 <unfinished ...>
[pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5153] <... close resumed>) = 0
[pid 5152] <... prctl resumed>) = 0
[pid 5153] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5152] setpgid(0, 0 <unfinished ...>
[pid 5153] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5152] <... setpgid resumed>) = 0
[pid 5151] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5153] <... openat resumed>) = 4
[pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5151] <... openat resumed>) = 4
[pid 5153] sendfile(4, 3, [122] <unfinished ...>
[pid 5151] sendfile(4, 3, [122] <unfinished ...>
[pid 5152] <... openat resumed>) = 3
[pid 5152] write(3, "1000", 4) = 4
[pid 5152] close(3) = 0
[pid 5152] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5152] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 74.128711][ T5149] syz-executor101 (5149): drop_caches: 3
[ 74.138839][ T5148] syz-executor101 (5148): drop_caches: 3
[ 74.288102][ T5150] syz-executor101 (5150): drop_caches: 3
[ 74.342358][ T5152] syz-executor101 (5152): drop_caches: 3
[ 74.343953][ T5153] syz-executor101 (5153): drop_caches: 3
[ 74.364199][ T5151] syz-executor101 (5151): drop_caches: 3
[ 74.390049][ T5149] syz-executor101 (5149): drop_caches: 3
[pid 5152] sendfile(4, 3, [122] <unfinished ...>
[pid 5148] <... sendfile resumed> => [693], 571) = 571
[pid 5149] <... sendfile resumed> => [693], 571) = 571
[pid 5149] memfd_create("syzkaller", 0) = 5
[pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5148] memfd_create("syzkaller", 0) = 5
[pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 74.424413][ T5148] syz-executor101 (5148): drop_caches: 3
[pid 5148] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5149] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5148] <... write resumed>) = 2097152
[pid 5153] <... sendfile resumed> => [693], 571) = 571
[pid 5150] <... sendfile resumed> => [693], 571) = 571
[pid 5148] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5153] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5150] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5148] <... munmap resumed>) = 0
[pid 5149] <... write resumed>) = 2097152
[pid 5149] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5150] <... memfd_create resumed>) = 5
[pid 5148] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5148] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5148] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5149] <... munmap resumed>) = 0
[pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5148] <... ioctl resumed>) = 0
[ 74.517514][ T5150] syz-executor101 (5150): drop_caches: 3
[ 74.525077][ T5153] syz-executor101 (5153): drop_caches: 3
[ 74.534857][ T5152] syz-executor101 (5152): drop_caches: 3
[pid 5153] <... memfd_create resumed>) = 5
[pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5152] <... sendfile resumed> => [693], 571) = 571
[pid 5150] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5149] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5153] <... mmap resumed>) = 0x7f082840d000
[pid 5152] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5149] <... openat resumed>) = 6
[pid 5148] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5149] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5148] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5149] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5148] close(6) = 0
[pid 5148] close(5 <unfinished ...>
[pid 5152] <... memfd_create resumed>) = 5
[pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5149] ioctl(6, LOOP_CLR_FD) = 0
[pid 5152] <... mmap resumed>) = 0x7f082840d000
[pid 5149] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5149] close(6) = 0
[pid 5149] close(5 <unfinished ...>
[pid 5148] <... close resumed>) = 0
[pid 5148] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5148] write(5, "t", 1 <unfinished ...>
[pid 5151] <... sendfile resumed> => [693], 571) = 571
[pid 5152] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5148] <... write resumed>) = 1
[pid 5148] exit_group(0) = ?
[ 74.558648][ T5151] syz-executor101 (5151): drop_caches: 3
[pid 5151] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5148] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5151] <... memfd_create resumed>) = 5
[pid 5149] <... close resumed>) = 0
[pid 5065] <... openat resumed>) = 3
[pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5149] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5151] <... mmap resumed>) = 0x7f082840d000
[pid 5149] <... openat resumed>) = 5
[pid 5149] write(5, "t", 1 <unfinished ...>
[pid 5065] <... ioctl resumed>) = 0
[pid 5065] close(3) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5149] <... write resumed>) = 1
[pid 5149] exit_group(0) = ?
[pid 5149] +++ exited with 0 +++
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5154
./strace-static-x86_64: Process 5154 attached
[pid 5154] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5150] <... write resumed>) = 2097152
[pid 5154] <... set_robust_list resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5153] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5152] <... write resumed>) = 2097152
[pid 5150] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5152] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5154] <... prctl resumed>) = 0
[pid 5152] <... munmap resumed>) = 0
[pid 5154] setpgid(0, 0 <unfinished ...>
[pid 5152] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5154] <... setpgid resumed>) = 0
[pid 5152] <... openat resumed>) = 6
[pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5152] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5154] <... openat resumed>) = 3
[pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5154] write(3, "1000", 4 <unfinished ...>
[pid 5152] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5154] <... write resumed>) = 4
[pid 5152] <... ioctl resumed>) = 0
[pid 5154] close(3) = 0
[pid 5154] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5152] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5152] close(6 <unfinished ...>
[pid 5154] <... openat resumed>) = 3
[pid 5152] <... close resumed>) = 0
[pid 5152] close(5 <unfinished ...>
[pid 5151] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5155
./strace-static-x86_64: Process 5155 attached
[pid 5155] set_robust_list(0x555555646660, 24) = 0
[pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5154] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5150] <... munmap resumed>) = 0
[pid 5154] <... openat resumed>) = 4
[pid 5150] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5155] <... prctl resumed>) = 0
[pid 5155] setpgid(0, 0) = 0
[pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5154] sendfile(4, 3, [122] <unfinished ...>
[pid 5150] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5155] write(3, "1000", 4) = 4
[pid 5155] close(3) = 0
[pid 5155] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5155] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5150] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5155] sendfile(4, 3, [122] <unfinished ...>
[pid 5150] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5152] <... close resumed>) = 0
[pid 5150] <... ioctl resumed>) = 0
[pid 5152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5152] write(5, "t", 1 <unfinished ...>
[pid 5153] <... write resumed>) = 2097152
[pid 5150] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5152] <... write resumed>) = 1
[pid 5152] exit_group(0) = ?
[pid 5152] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5068] close(3) = 0
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5156
./strace-static-x86_64: Process 5156 attached
[pid 5156] set_robust_list(0x555555646660, 24) = 0
[pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5150] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5156] setpgid(0, 0) = 0
[pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5156] write(3, "1000", 4) = 4
[pid 5156] close(3) = 0
[pid 5156] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5156] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5156] sendfile(4, 3, [122] <unfinished ...>
[pid 5153] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5150] close(6) = 0
[pid 5150] close(5 <unfinished ...>
[pid 5151] <... write resumed>) = 2097152
[pid 5151] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5153] <... munmap resumed>) = 0
[pid 5153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5153] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5151] <... munmap resumed>) = 0
[pid 5150] <... close resumed>) = 0
[pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5150] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5153] ioctl(6, LOOP_CLR_FD) = 0
[pid 5151] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5150] <... openat resumed>) = 5
[pid 5150] write(5, "t", 1 <unfinished ...>
[pid 5151] <... openat resumed>) = 6
[pid 5151] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5151] ioctl(6, LOOP_CLR_FD) = 0
[pid 5153] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5153] close(6 <unfinished ...>
[pid 5151] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5153] <... close resumed>) = 0
[pid 5151] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5150] <... write resumed>) = 1
[pid 5153] close(5 <unfinished ...>
[pid 5151] close(6) = 0
[pid 5150] exit_group(0 <unfinished ...>
[pid 5151] close(5 <unfinished ...>
[pid 5153] <... close resumed>) = 0
[pid 5151] <... close resumed>) = 0
[pid 5150] <... exit_group resumed>) = ?
[pid 5150] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5157 attached
<unfinished ...>
[pid 5151] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5157
[pid 5157] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5151] <... openat resumed>) = 5
[pid 5157] <... set_robust_list resumed>) = 0
[pid 5151] write(5, "t", 1 <unfinished ...>
[pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5157] setpgid(0, 0) = 0
[pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5157] write(3, "1000", 4) = 4
[pid 5157] close(3) = 0
[pid 5157] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5157] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5157] sendfile(4, 3, [122] <unfinished ...>
[pid 5151] <... write resumed>) = 1
[pid 5151] exit_group(0) = ?
[pid 5151] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[ 74.829925][ T5154] syz-executor101 (5154): drop_caches: 3
[pid 5153] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5153] <... openat resumed>) = 5
[pid 5060] <... ioctl resumed>) = 0
[pid 5153] write(5, "t", 1 <unfinished ...>
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached
, child_tidptr=0x555555646650) = 5158
[pid 5158] set_robust_list(0x555555646660, 24) = 0
[pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5158] setpgid(0, 0) = 0
[pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5158] write(3, "1000", 4) = 4
[pid 5158] close(3) = 0
[pid 5158] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5158] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 74.896608][ T5155] syz-executor101 (5155): drop_caches: 3
[pid 5158] sendfile(4, 3, [122] <unfinished ...>
[pid 5153] <... write resumed>) = 1
[pid 5153] exit_group(0) = ?
[pid 5153] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached
<unfinished ...>
[pid 5159] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5159
[pid 5159] <... set_robust_list resumed>) = 0
[pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5159] setpgid(0, 0) = 0
[pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[ 74.944770][ T5156] syz-executor101 (5156): drop_caches: 3
[pid 5159] write(3, "1000", 4) = 4
[pid 5159] close(3) = 0
[pid 5159] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5159] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 75.038283][ T5157] syz-executor101 (5157): drop_caches: 3
[ 75.070356][ T5158] syz-executor101 (5158): drop_caches: 3
[ 75.101237][ T5155] syz-executor101 (5155): drop_caches: 3
[ 75.136341][ T5156] syz-executor101 (5156): drop_caches: 3
[pid 5159] sendfile(4, 3, [122] <unfinished ...>
[pid 5156] <... sendfile resumed> => [693], 571) = 571
[pid 5156] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5155] <... sendfile resumed> => [693], 571) = 571
[pid 5154] <... sendfile resumed> => [693], 571) = 571
[pid 5155] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5154] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5155] <... memfd_create resumed>) = 5
[pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5154] <... memfd_create resumed>) = 5
[pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5155] <... mmap resumed>) = 0x7f082840d000
[pid 5156] <... memfd_create resumed>) = 5
[pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 75.164723][ T5154] syz-executor101 (5154): drop_caches: 3
[pid 5155] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5156] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5155] <... write resumed>) = 2097152
[pid 5158] <... sendfile resumed> => [693], 571) = 571
[pid 5155] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5154] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5156] <... write resumed>) = 2097152
[pid 5155] <... munmap resumed>) = 0
[pid 5155] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5155] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5158] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5158] <... memfd_create resumed>) = 5
[pid 5155] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5156] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5155] <... ioctl resumed>) = 0
[pid 5158] <... mmap resumed>) = 0x7f082840d000
[ 75.230433][ T5159] syz-executor101 (5159): drop_caches: 3
[ 75.264267][ T5158] syz-executor101 (5158): drop_caches: 3
[pid 5155] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5155] close(6) = 0
[pid 5156] <... munmap resumed>) = 0
[pid 5157] <... sendfile resumed> => [693], 571) = 571
[pid 5155] close(5 <unfinished ...>
[pid 5154] <... write resumed>) = 2097152
[pid 5156] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5154] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5157] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5156] <... openat resumed>) = 6
[pid 5156] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5156] ioctl(6, LOOP_CLR_FD) = 0
[pid 5157] <... memfd_create resumed>) = 5
[pid 5154] <... munmap resumed>) = 0
[pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5154] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5157] <... mmap resumed>) = 0x7f082840d000
[pid 5154] <... openat resumed>) = 6
[pid 5155] <... close resumed>) = 0
[pid 5154] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5159] <... sendfile resumed> => [693], 571) = 571
[pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5156] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5154] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5156] close(6 <unfinished ...>
[pid 5154] <... ioctl resumed>) = 0
[pid 5156] <... close resumed>) = 0
[pid 5159] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5156] close(5 <unfinished ...>
[pid 5155] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5154] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5154] close(6) = 0
[pid 5156] <... close resumed>) = 0
[pid 5155] <... openat resumed>) = 5
[pid 5154] close(5 <unfinished ...>
[pid 5159] <... memfd_create resumed>) = 5
[pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5158] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5155] write(5, "t", 1 <unfinished ...>
[pid 5154] <... close resumed>) = 0
[ 75.310992][ T5157] syz-executor101 (5157): drop_caches: 3
[ 75.318735][ T5159] syz-executor101 (5159): drop_caches: 3
[pid 5157] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5156] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5156] write(5, "t", 1 <unfinished ...>
[pid 5154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5156] <... write resumed>) = 1
[pid 5155] <... write resumed>) = 1
[pid 5155] exit_group(0) = ?
[pid 5156] exit_group(0 <unfinished ...>
[pid 5154] <... openat resumed>) = 5
[pid 5156] <... exit_group resumed>) = ?
[pid 5154] write(5, "t", 1 <unfinished ...>
[pid 5156] +++ exited with 0 +++
[pid 5155] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5061] <... close resumed>) = 0
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached
<unfinished ...>
[pid 5154] <... write resumed>) = 1
[pid 5068] <... ioctl resumed>) = 0
[pid 5160] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5154] exit_group(0 <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5160
[pid 5160] <... set_robust_list resumed>) = 0
[pid 5159] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5154] <... exit_group resumed>) = ?
[pid 5068] <... close resumed>) = 0
[pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5154] +++ exited with 0 +++
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5160] <... prctl resumed>) = 0
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5160] setpgid(0, 0) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5161 attached
<unfinished ...>
[pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5157] <... write resumed>) = 2097152
[pid 5065] <... openat resumed>) = 3
[pid 5160] <... openat resumed>) = 3
[pid 5160] write(3, "1000", 4) = 4
[pid 5160] close(3) = 0
[pid 5160] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5160] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5160] sendfile(4, 3, [122] <unfinished ...>
[pid 5161] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5065] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5161] <... set_robust_list resumed>) = 0
[pid 5065] <... ioctl resumed>) = 0
[pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5161
[pid 5065] close(3 <unfinished ...>
[pid 5161] <... prctl resumed>) = 0
[pid 5161] setpgid(0, 0) = 0
[pid 5065] <... close resumed>) = 0
[pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5161] <... openat resumed>) = 3
[pid 5158] <... write resumed>) = 2097152
[pid 5161] write(3, "1000", 4 <unfinished ...>
[pid 5158] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5161] <... write resumed>) = 4
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5162
[pid 5161] close(3./strace-static-x86_64: Process 5162 attached
<unfinished ...>
[pid 5162] set_robust_list(0x555555646660, 24) = 0
[pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5157] munmap(0x7f082840d000, 138412032) = 0
[pid 5162] <... prctl resumed>) = 0
[pid 5161] <... close resumed>) = 0
[pid 5159] <... write resumed>) = 2097152
[pid 5158] <... munmap resumed>) = 0
[pid 5162] setpgid(0, 0 <unfinished ...>
[pid 5159] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5157] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5161] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5158] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5162] <... setpgid resumed>) = 0
[pid 5161] <... openat resumed>) = 3
[pid 5159] <... munmap resumed>) = 0
[pid 5158] <... openat resumed>) = 6
[pid 5157] <... openat resumed>) = 6
[pid 5158] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5161] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5157] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5158] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] <... openat resumed>) = 3
[pid 5159] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5158] <... ioctl resumed>) = 0
[pid 5157] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] write(3, "1000", 4 <unfinished ...>
[pid 5159] <... openat resumed>) = 6
[pid 5157] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] <... write resumed>) = 4
[pid 5159] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5157] <... ioctl resumed>) = 0
[pid 5162] close(3 <unfinished ...>
[pid 5161] <... openat resumed>) = 4
[pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] <... close resumed>) = 0
[pid 5159] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5161] sendfile(4, 3, [122] <unfinished ...>
[pid 5159] <... ioctl resumed>) = 0
[pid 5162] <... openat resumed>) = 3
[pid 5158] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5158] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] <... openat resumed>) = 4
[pid 5157] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] sendfile(4, 3, [122] <unfinished ...>
[pid 5157] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5157] close(6) = 0
[pid 5159] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5157] close(5 <unfinished ...>
[pid 5159] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5157] <... close resumed>) = 0
[pid 5158] close(6 <unfinished ...>
[pid 5159] close(6 <unfinished ...>
[pid 5158] <... close resumed>) = 0
[pid 5158] close(5 <unfinished ...>
[pid 5159] <... close resumed>) = 0
[pid 5158] <... close resumed>) = 0
[pid 5159] close(5) = 0
[pid 5157] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5157] write(5, "t", 1 <unfinished ...>
[pid 5159] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5157] <... write resumed>) = 1
[pid 5159] <... openat resumed>) = 5
[pid 5157] exit_group(0 <unfinished ...>
[pid 5159] write(5, "t", 1 <unfinished ...>
[pid 5157] <... exit_group resumed>) = ?
[pid 5158] <... openat resumed>) = 5
[pid 5157] +++ exited with 0 +++
[pid 5158] write(5, "t", 1 <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5159] <... write resumed>) = 1
[pid 5159] exit_group(0) = ?
[pid 5159] +++ exited with 0 +++
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5163
./strace-static-x86_64: Process 5163 attached
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid 5163] set_robust_list(0x555555646660, 24) = 0
[pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5163] <... prctl resumed>) = 0
[pid 5158] <... write resumed>) = 1
[pid 5163] setpgid(0, 0 <unfinished ...>
[pid 5158] exit_group(0 <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5163] <... setpgid resumed>) = 0
[pid 5158] <... exit_group resumed>) = ?
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5164
[pid 5163] write(3, "1000", 4) = 4
[pid 5163] close(3 <unfinished ...>
[pid 5158] +++ exited with 0 +++
[pid 5163] <... close resumed>) = 0
[pid 5163] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 5163] <... openat resumed>) = 3
[pid 5060] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5163] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5060] <... restart_syscall resumed>) = 0
[pid 5163] sendfile(4, 3, [122] <unfinished ...>
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
./strace-static-x86_64: Process 5164 attached
[pid 5060] close(3 <unfinished ...>
[pid 5164] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5060] <... close resumed>) = 0
[pid 5164] <... set_robust_list resumed>) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5165 attached
) = 0
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5165
[pid 5164] setpgid(0, 0) = 0
[pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5165] set_robust_list(0x555555646660, 24) = 0
[pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5164] write(3, "1000", 4) = 4
[pid 5164] close(3) = 0
[pid 5164] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5164] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5164] sendfile(4, 3, [122] <unfinished ...>
[pid 5165] <... prctl resumed>) = 0
[pid 5165] setpgid(0, 0) = 0
[pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5165] write(3, "1000", 4) = 4
[pid 5165] close(3) = 0
[pid 5165] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5165] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 75.615420][ T5160] syz-executor101 (5160): drop_caches: 3
[ 75.678801][ T5162] syz-executor101 (5162): drop_caches: 3
[ 75.694383][ T5161] syz-executor101 (5161): drop_caches: 3
[ 75.730804][ T5163] syz-executor101 (5163): drop_caches: 3
[ 75.777834][ T5165] syz-executor101 (5165): drop_caches: 3
[pid 5165] sendfile(4, 3, [122] <unfinished ...>
[pid 5160] <... sendfile resumed> => [693], 571) = 571
[ 75.828765][ T5164] syz-executor101 (5164): drop_caches: 3
[ 75.864886][ T5160] syz-executor101 (5160): drop_caches: 3
[pid 5162] <... sendfile resumed> => [693], 571) = 571
[pid 5161] <... sendfile resumed> => [693], 571) = 571
[pid 5160] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5162] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5161] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5160] <... memfd_create resumed>) = 5
[pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5163] <... sendfile resumed> => [693], 571) = 571
[pid 5162] <... memfd_create resumed>) = 5
[pid 5161] <... memfd_create resumed>) = 5
[pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5163] memfd_create("syzkaller", 0) = 5
[pid 5165] <... sendfile resumed> => [693], 571) = 571
[pid 5163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5162] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5160] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5163] <... mmap resumed>) = 0x7f082840d000
[pid 5165] memfd_create("syzkaller", 0 <unfinished ...>
[ 75.895873][ T5161] syz-executor101 (5161): drop_caches: 3
[ 75.903469][ T5162] syz-executor101 (5162): drop_caches: 3
[ 75.913208][ T5163] syz-executor101 (5163): drop_caches: 3
[ 75.920609][ T5165] syz-executor101 (5165): drop_caches: 3
[pid 5161] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5165] <... memfd_create resumed>) = 5
[pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5164] <... sendfile resumed> => [693], 571) = 571
[pid 5163] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5161] <... write resumed>) = 2097152
[pid 5165] <... mmap resumed>) = 0x7f082840d000
[pid 5162] <... write resumed>) = 2097152
[pid 5164] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5163] <... write resumed>) = 2097152
[pid 5161] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5160] <... write resumed>) = 2097152
[pid 5164] <... memfd_create resumed>) = 5
[pid 5163] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5162] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5161] <... munmap resumed>) = 0
[pid 5160] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5165] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5163] <... munmap resumed>) = 0
[pid 5164] <... mmap resumed>) = 0x7f082840d000
[pid 5162] <... munmap resumed>) = 0
[pid 5161] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5160] <... munmap resumed>) = 0
[pid 5162] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5161] <... openat resumed>) = 6
[pid 5162] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5161] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5161] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5161] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5161] <... ioctl resumed>) = 0
[pid 5162] <... ioctl resumed>) = 0
[pid 5160] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5160] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5160] ioctl(6, LOOP_CLR_FD) = 0
[pid 5163] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5162] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5161] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5160] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5161] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5160] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5163] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5161] close(6 <unfinished ...>
[pid 5160] close(6 <unfinished ...>
[pid 5163] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] close(6 <unfinished ...>
[pid 5161] <... close resumed>) = 0
[pid 5160] <... close resumed>) = 0
[pid 5163] ioctl(6, LOOP_CLR_FD) = 0
[pid 5161] close(5 <unfinished ...>
[pid 5160] close(5 <unfinished ...>
[pid 5162] <... close resumed>) = 0
[ 75.977909][ T5164] syz-executor101 (5164): drop_caches: 3
[pid 5162] close(5 <unfinished ...>
[pid 5163] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5163] close(6) = 0
[pid 5163] close(5 <unfinished ...>
[pid 5165] <... write resumed>) = 2097152
[pid 5160] <... close resumed>) = 0
[pid 5165] munmap(0x7f082840d000, 138412032) = 0
[pid 5163] <... close resumed>) = 0
[pid 5162] <... close resumed>) = 0
[pid 5165] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5165] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5165] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5165] <... ioctl resumed>) = 0
[pid 5160] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5164] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5161] <... close resumed>) = 0
[pid 5165] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5162] <... openat resumed>) = 5
[pid 5161] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5160] <... openat resumed>) = 5
[pid 5165] close(6 <unfinished ...>
[pid 5163] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5162] write(5, "t", 1 <unfinished ...>
[pid 5161] <... openat resumed>) = 5
[pid 5160] write(5, "t", 1 <unfinished ...>
[pid 5165] <... close resumed>) = 0
[pid 5163] <... openat resumed>) = 5
[pid 5165] close(5 <unfinished ...>
[pid 5163] write(5, "t", 1 <unfinished ...>
[pid 5161] write(5, "t", 1 <unfinished ...>
[pid 5162] <... write resumed>) = 1
[pid 5160] <... write resumed>) = 1
[pid 5162] exit_group(0) = ?
[pid 5160] exit_group(0 <unfinished ...>
[pid 5162] +++ exited with 0 +++
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5160] <... exit_group resumed>) = ?
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5065] close(3) = 0
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached
<unfinished ...>
[pid 5163] <... write resumed>) = 1
[pid 5161] <... write resumed>) = 1
[pid 5160] +++ exited with 0 +++
[pid 5166] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5163] exit_group(0 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5166] <... set_robust_list resumed>) = 0
[pid 5163] <... exit_group resumed>) = ?
[pid 5161] exit_group(0 <unfinished ...>
[pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5161] <... exit_group resumed>) = ?
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5166
[pid 5166] setpgid(0, 0 <unfinished ...>
[pid 5164] <... write resumed>) = 2097152
[pid 5163] +++ exited with 0 +++
[pid 5161] +++ exited with 0 +++
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5166] <... setpgid resumed>) = 0
[pid 5164] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} ---
[pid 5061] <... openat resumed>) = 3
[pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5166] <... openat resumed>) = 3
[pid 5164] <... munmap resumed>) = 0
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5166] write(3, "1000", 4 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5062] <... restart_syscall resumed>) = 0
[pid 5166] <... write resumed>) = 4
[pid 5166] close(3 <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5166] <... close resumed>) = 0
[pid 5068] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5166] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5166] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5166] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5165] <... close resumed>) = 0
[pid 5068] <... ioctl resumed>) = 0
[pid 5062] <... ioctl resumed>) = 0
[pid 5062] close(3) = 0
[pid 5166] <... openat resumed>) = 4
[pid 5068] close(3 <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5166] sendfile(4, 3, [122] <unfinished ...>
[pid 5164] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5167
./strace-static-x86_64: Process 5168 attached
[pid 5164] <... openat resumed>) = 6
[pid 5168] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5168
[pid 5168] <... set_robust_list resumed>) = 0
[pid 5164] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5165] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5068] <... close resumed>) = 0
./strace-static-x86_64: Process 5167 attached
[pid 5168] <... prctl resumed>) = 0
[pid 5165] <... openat resumed>) = 5
[pid 5164] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5168] setpgid(0, 0 <unfinished ...>
[pid 5167] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5164] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5167] <... set_robust_list resumed>) = 0
[pid 5168] <... setpgid resumed>) = 0
[pid 5164] <... ioctl resumed>) = 0
[pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5168] <... openat resumed>) = 3
[pid 5167] <... prctl resumed>) = 0
[pid 5167] setpgid(0, 0 <unfinished ...>
[pid 5168] write(3, "1000", 4) = 4
[pid 5164] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5168] close(3 <unfinished ...>
[pid 5164] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5167] <... setpgid resumed>) = 0
[pid 5168] <... close resumed>) = 0
[pid 5168] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5164] close(6) = 0
[pid 5168] <... openat resumed>) = 3
[pid 5164] close(5./strace-static-x86_64: Process 5169 attached
<unfinished ...>
[pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5165] write(5, "t", 1 <unfinished ...>
[pid 5168] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5168] sendfile(4, 3, [122] <unfinished ...>
[pid 5169] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5167] <... openat resumed>) = 3
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5169
[pid 5167] write(3, "1000", 4) = 4
[pid 5167] close(3) = 0
[pid 5169] <... set_robust_list resumed>) = 0
[pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5167] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5169] <... prctl resumed>) = 0
[pid 5169] setpgid(0, 0 <unfinished ...>
[pid 5167] <... openat resumed>) = 3
[pid 5169] <... setpgid resumed>) = 0
[pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5167] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5169] <... openat resumed>) = 3
[pid 5167] <... openat resumed>) = 4
[pid 5169] write(3, "1000", 4 <unfinished ...>
[pid 5167] sendfile(4, 3, [122] <unfinished ...>
[pid 5165] <... write resumed>) = 1
[pid 5169] <... write resumed>) = 4
[pid 5165] exit_group(0 <unfinished ...>
[pid 5169] close(3) = 0
[pid 5169] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5165] <... exit_group resumed>) = ?
[pid 5169] <... openat resumed>) = 3
[pid 5169] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5164] <... close resumed>) = 0
[pid 5169] sendfile(4, 3, [122] <unfinished ...>
[pid 5165] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} ---
[pid 5164] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached
<unfinished ...>
[pid 5170] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5170
[pid 5170] <... set_robust_list resumed>) = 0
[pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5170] setpgid(0, 0) = 0
[pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5170] write(3, "1000", 4) = 4
[pid 5170] close(3) = 0
[pid 5164] write(5, "t", 1 <unfinished ...>
[pid 5170] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5170] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5170] sendfile(4, 3, [122] <unfinished ...>
[pid 5164] <... write resumed>) = 1
[pid 5164] exit_group(0) = ?
[pid 5164] +++ exited with 0 +++
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5059] ioctl(3, LOOP_CLR_FD) = 0
[pid 5059] close(3) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555646650) = 5171
./strace-static-x86_64: Process 5171 attached
[pid 5171] set_robust_list(0x555555646660, 24) = 0
[pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5171] setpgid(0, 0) = 0
[pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5171] write(3, "1000", 4) = 4
[pid 5171] close(3) = 0
[pid 5171] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5171] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 76.290271][ T5166] syz-executor101 (5166): drop_caches: 3
[ 76.309518][ T5168] syz-executor101 (5168): drop_caches: 3
[ 76.329378][ T5170] syz-executor101 (5170): drop_caches: 3
[ 76.347887][ T5167] syz-executor101 (5167): drop_caches: 3
[ 76.354676][ T5169] syz-executor101 (5169): drop_caches: 3
[ 76.357785][ T5171] syz-executor101 (5171): drop_caches: 3
[pid 5171] sendfile(4, 3, [122] <unfinished ...>
[pid 5166] <... sendfile resumed> => [693], 571) = 571
[pid 5166] memfd_create("syzkaller", 0) = 5
[pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 76.586823][ T5166] syz-executor101 (5166): drop_caches: 3
[pid 5171] <... sendfile resumed> => [693], 571) = 571
[ 76.647880][ T5171] syz-executor101 (5171): drop_caches: 3
[ 76.657309][ T5168] syz-executor101 (5168): drop_caches: 3
[ 76.678154][ T5169] syz-executor101 (5169): drop_caches: 3
[ 76.692251][ T5170] syz-executor101 (5170): drop_caches: 3
[pid 5171] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5170] <... sendfile resumed> => [693], 571) = 571
[pid 5169] <... sendfile resumed> => [693], 571) = 571
[pid 5168] <... sendfile resumed> => [693], 571) = 571
[pid 5166] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5171] <... memfd_create resumed>) = 5
[pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5167] <... sendfile resumed> => [693], 571) = 571
[pid 5170] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5169] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5167] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5168] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5170] <... memfd_create resumed>) = 5
[pid 5169] <... memfd_create resumed>) = 5
[pid 5168] <... memfd_create resumed>) = 5
[pid 5167] <... memfd_create resumed>) = 5
[pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5169] <... mmap resumed>) = 0x7f082840d000
[pid 5168] <... mmap resumed>) = 0x7f082840d000
[pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5170] <... mmap resumed>) = 0x7f082840d000
[pid 5167] <... mmap resumed>) = 0x7f082840d000
[pid 5166] <... write resumed>) = 2097152
[pid 5166] munmap(0x7f082840d000, 138412032) = 0
[pid 5166] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5171] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5167] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[ 76.697469][ T5167] syz-executor101 (5167): drop_caches: 3
[pid 5166] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5169] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5166] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5166] ioctl(6, LOOP_CLR_FD) = 0
[pid 5168] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5166] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5166] close(6 <unfinished ...>
[pid 5167] <... write resumed>) = 2097152
[pid 5166] <... close resumed>) = 0
[pid 5171] <... write resumed>) = 2097152
[pid 5170] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5168] <... write resumed>) = 2097152
[pid 5167] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5166] close(5 <unfinished ...>
[pid 5171] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5168] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5167] <... munmap resumed>) = 0
[pid 5166] <... close resumed>) = 0
[pid 5166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5171] <... munmap resumed>) = 0
[pid 5169] <... write resumed>) = 2097152
[pid 5168] <... munmap resumed>) = 0
[pid 5167] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5166] <... openat resumed>) = 5
[pid 5167] <... openat resumed>) = 6
[pid 5167] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5169] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5167] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5166] write(5, "t", 1 <unfinished ...>
[pid 5167] ioctl(6, LOOP_CLR_FD) = 0
[pid 5168] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5171] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5169] <... munmap resumed>) = 0
[pid 5168] <... openat resumed>) = 6
[pid 5171] <... openat resumed>) = 6
[pid 5170] <... write resumed>) = 2097152
[pid 5168] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5167] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5170] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5169] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5167] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5166] <... write resumed>) = 1
[pid 5171] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5168] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5167] close(6 <unfinished ...>
[pid 5166] exit_group(0 <unfinished ...>
[pid 5171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5167] <... close resumed>) = 0
[pid 5171] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5168] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5167] close(5 <unfinished ...>
[pid 5171] <... ioctl resumed>) = 0
[pid 5170] <... munmap resumed>) = 0
[pid 5166] <... exit_group resumed>) = ?
[pid 5169] <... openat resumed>) = 6
[pid 5169] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5168] <... ioctl resumed>) = 0
[pid 5169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5168] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5171] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5170] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5171] close(6 <unfinished ...>
[pid 5170] <... openat resumed>) = 6
[pid 5169] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5168] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5170] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5166] +++ exited with 0 +++
[pid 5171] <... close resumed>) = 0
[pid 5170] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5169] <... ioctl resumed>) = 0
[pid 5168] close(6 <unfinished ...>
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5171] close(5 <unfinished ...>
[pid 5170] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5168] <... close resumed>) = 0
[pid 5065] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5170] <... ioctl resumed>) = 0
[pid 5168] close(5 <unfinished ...>
[pid 5065] <... restart_syscall resumed>) = 0
[pid 5169] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5168] <... close resumed>) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5065] ioctl(3, LOOP_CLR_FD) = 0
[pid 5065] close(3) = 0
[pid 5169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5172 attached
<unfinished ...>
[pid 5167] <... close resumed>) = 0
[pid 5172] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5170] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5172] <... set_robust_list resumed>) = 0
[pid 5169] close(6 <unfinished ...>
[pid 5170] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5170] close(6 <unfinished ...>
[pid 5169] <... close resumed>) = 0
[pid 5170] <... close resumed>) = 0
[pid 5169] close(5 <unfinished ...>
[pid 5172] <... prctl resumed>) = 0
[pid 5170] close(5 <unfinished ...>
[pid 5171] <... close resumed>) = 0
[pid 5172] setpgid(0, 0 <unfinished ...>
[pid 5168] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5065] <... clone resumed>, child_tidptr=0x555555646650) = 5172
[pid 5172] <... setpgid resumed>) = 0
[pid 5168] <... openat resumed>) = 5
[pid 5167] <... openat resumed>) = 5
[pid 5168] write(5, "t", 1 <unfinished ...>
[pid 5167] write(5, "t", 1 <unfinished ...>
[pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5172] write(3, "1000", 4 <unfinished ...>
[pid 5171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5170] <... close resumed>) = 0
[pid 5169] <... close resumed>) = 0
[pid 5172] <... write resumed>) = 4
[pid 5171] <... openat resumed>) = 5
[pid 5170] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5172] close(3 <unfinished ...>
[pid 5171] write(5, "t", 1 <unfinished ...>
[pid 5168] <... write resumed>) = 1
[pid 5167] <... write resumed>) = 1
[pid 5172] <... close resumed>) = 0
[pid 5170] <... openat resumed>) = 5
[pid 5168] exit_group(0 <unfinished ...>
[pid 5169] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5167] exit_group(0 <unfinished ...>
[pid 5172] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5169] <... openat resumed>) = 5
[pid 5170] write(5, "t", 1 <unfinished ...>
[pid 5169] write(5, "t", 1 <unfinished ...>
[pid 5168] <... exit_group resumed>) = ?
[pid 5172] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5168] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
[pid 5172] <... openat resumed>) = 4
[pid 5062] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5171] <... write resumed>) = 1
[pid 5171] exit_group(0) = ?
[pid 5172] sendfile(4, 3, [122] <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5171] +++ exited with 0 +++
[pid 5170] <... write resumed>) = 1
[pid 5169] <... write resumed>) = 1
[pid 5167] <... exit_group resumed>) = ?
[pid 5062] <... close resumed>) = 0
[pid 5170] exit_group(0 <unfinished ...>
[pid 5169] exit_group(0 <unfinished ...>
[pid 5167] +++ exited with 0 +++
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5170] <... exit_group resumed>) = ?
[pid 5169] <... exit_group resumed>) = ?
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached
<unfinished ...>
[pid 5173] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x555555646650) = 5173
[pid 5173] <... set_robust_list resumed>) = 0
[pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5173] setpgid(0, 0) = 0
[pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5173] write(3, "1000", 4) = 4
[pid 5173] close(3) = 0
[pid 5173] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5169] +++ exited with 0 +++
[pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid 5059] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5068] ioctl(3, LOOP_CLR_FD) = 0
[pid 5068] close(3) = 0
[pid 5170] +++ exited with 0 +++
[pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5059] <... restart_syscall resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x555555646650) = 5174
./strace-static-x86_64: Process 5175 attached
[pid 5068] <... clone resumed>, child_tidptr=0x555555646650) = 5175
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5060] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5060] <... restart_syscall resumed>) = 0
[pid 5059] <... openat resumed>) = 3
[pid 5175] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5174 attached
<unfinished ...>
[pid 5175] <... set_robust_list resumed>) = 0
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5174] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5060] <... openat resumed>) = 3
[pid 5059] close(3 <unfinished ...>
[pid 5174] <... set_robust_list resumed>) = 0
[pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5060] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5059] <... close resumed>) = 0
[pid 5174] <... prctl resumed>) = 0
[pid 5060] <... ioctl resumed>) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5174] setpgid(0, 0 <unfinished ...>
[pid 5060] close(3 <unfinished ...>
[pid 5174] <... setpgid resumed>) = 0
[pid 5060] <... close resumed>) = 0
[pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5177 attached
./strace-static-x86_64: Process 5176 attached
<unfinished ...>
[pid 5174] <... openat resumed>) = 3
[pid 5177] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5059] <... clone resumed>, child_tidptr=0x555555646650) = 5176
[pid 5177] <... set_robust_list resumed>) = 0
[pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5176] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5175] <... prctl resumed>) = 0
[pid 5174] write(3, "1000", 4 <unfinished ...>
[pid 5173] <... openat resumed>) = 3
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5177
[pid 5177] <... prctl resumed>) = 0
[pid 5176] <... set_robust_list resumed>) = 0
[pid 5175] setpgid(0, 0 <unfinished ...>
[pid 5174] <... write resumed>) = 4
[pid 5173] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5177] setpgid(0, 0 <unfinished ...>
[pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5175] <... setpgid resumed>) = 0
[pid 5174] close(3 <unfinished ...>
[pid 5173] <... openat resumed>) = 4
[pid 5177] <... setpgid resumed>) = 0
[pid 5176] <... prctl resumed>) = 0
[pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5174] <... close resumed>) = 0
[pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5176] setpgid(0, 0 <unfinished ...>
[pid 5175] <... openat resumed>) = 3
[pid 5174] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5173] sendfile(4, 3, [122] <unfinished ...>
[pid 5177] <... openat resumed>) = 3
[pid 5176] <... setpgid resumed>) = 0
[pid 5175] write(3, "1000", 4 <unfinished ...>
[pid 5174] <... openat resumed>) = 3
[pid 5177] write(3, "1000", 4 <unfinished ...>
[pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5175] <... write resumed>) = 4
[pid 5174] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5177] <... write resumed>) = 4
[pid 5176] <... openat resumed>) = 3
[pid 5175] close(3 <unfinished ...>
[pid 5174] <... openat resumed>) = 4
[pid 5177] close(3 <unfinished ...>
[pid 5176] write(3, "1000", 4 <unfinished ...>
[pid 5175] <... close resumed>) = 0
[pid 5174] sendfile(4, 3, [122] <unfinished ...>
[pid 5177] <... close resumed>) = 0
[pid 5176] <... write resumed>) = 4
[pid 5177] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5176] close(3 <unfinished ...>
[pid 5175] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5177] <... openat resumed>) = 3
[pid 5176] <... close resumed>) = 0
[pid 5175] <... openat resumed>) = 3
[pid 5177] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5176] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5175] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5177] sendfile(4, 3, [122] <unfinished ...>
[pid 5176] <... openat resumed>) = 3
[pid 5175] <... openat resumed>) = 4
[pid 5176] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5175] sendfile(4, 3, [122] <unfinished ...>
[pid 5176] <... openat resumed>) = 4
[ 77.224928][ T5177] syz-executor101 (5177): drop_caches: 3
[ 77.228797][ T5172] syz-executor101 (5172): drop_caches: 3
[ 77.255473][ T5176] syz-executor101 (5176): drop_caches: 3
[ 77.265223][ T5173] syz-executor101 (5173): drop_caches: 3
[ 77.267919][ T5175] syz-executor101 (5175): drop_caches: 3
[ 77.295081][ T5174] syz-executor101 (5174): drop_caches: 3
[ 77.450567][ T5172] syz-executor101 (5172): drop_caches: 3
[ 77.461262][ T5177] syz-executor101 (5177): drop_caches: 3
[ 77.480316][ T5174] syz-executor101 (5174): drop_caches: 3
[ 77.480679][ T5173] syz-executor101 (5173): drop_caches: 3
[ 77.490868][ T5176] syz-executor101 (5176): drop_caches: 3
[pid 5176] sendfile(4, 3, [122] <unfinished ...>
[pid 5177] <... sendfile resumed> => [693], 571) = 571
[pid 5176] <... sendfile resumed> => [693], 571) = 571
[pid 5174] <... sendfile resumed> => [693], 571) = 571
[pid 5172] <... sendfile resumed> => [693], 571) = 571
[pid 5177] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5176] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5174] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5177] <... memfd_create resumed>) = 5
[pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5172] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5176] <... memfd_create resumed>) = 5
[pid 5172] <... memfd_create resumed>) = 5
[pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5175] <... sendfile resumed> => [693], 571) = 571
[pid 5174] <... memfd_create resumed>) = 5
[pid 5173] <... sendfile resumed> => [693], 571) = 571
[pid 5172] <... mmap resumed>) = 0x7f082840d000
[pid 5175] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[pid 5177] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5175] <... memfd_create resumed>) = 5
[pid 5173] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5176] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5175] <... mmap resumed>) = 0x7f082840d000
[pid 5173] <... memfd_create resumed>) = 5
[pid 5173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f082840d000
[ 77.493179][ T5175] syz-executor101 (5175): drop_caches: 3
[pid 5172] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5176] <... write resumed>) = 2097152
[pid 5177] <... write resumed>) = 2097152
[pid 5174] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5173] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5176] munmap(0x7f082840d000, 138412032) = 0
[pid 5176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5176] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5176] ioctl(6, LOOP_CLR_FD) = 0
[pid 5175] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xb5\x0b\x00\x00\x04\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 <unfinished ...>
[pid 5177] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5172] <... write resumed>) = 2097152
[pid 5176] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5177] <... munmap resumed>) = 0
[pid 5176] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5173] <... write resumed>) = 2097152
[pid 5176] close(6 <unfinished ...>
[pid 5177] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5176] <... close resumed>) = 0
[pid 5173] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5172] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5176] close(5 <unfinished ...>
[pid 5177] <... openat resumed>) = 6
[pid 5173] <... munmap resumed>) = 0
[pid 5177] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5175] <... write resumed>) = 2097152
[pid 5174] <... write resumed>) = 2097152
[pid 5173] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5177] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5175] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5177] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5173] <... openat resumed>) = 6
[pid 5177] <... ioctl resumed>) = 0
[pid 5173] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5172] <... munmap resumed>) = 0
[pid 5172] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5173] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5173] ioctl(6, LOOP_CLR_FD) = 0
[pid 5177] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5176] <... close resumed>) = 0
[pid 5175] <... munmap resumed>) = 0
[pid 5177] close(6) = 0
[pid 5177] close(5 <unfinished ...>
[pid 5172] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5172] ioctl(6, LOOP_CLR_FD) = 0
[pid 5174] munmap(0x7f082840d000, 138412032 <unfinished ...>
[pid 5176] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5175] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5173] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5172] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5173] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5172] close(6 <unfinished ...>
[pid 5173] close(6 <unfinished ...>
[pid 5172] <... close resumed>) = 0
[pid 5172] close(5 <unfinished ...>
[pid 5175] <... openat resumed>) = 6
[pid 5173] <... close resumed>) = 0
[pid 5175] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5173] close(5 <unfinished ...>
[pid 5174] <... munmap resumed>) = 0
[pid 5177] <... close resumed>) = 0
[pid 5176] <... openat resumed>) = 5
[pid 5175] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5173] <... close resumed>) = 0
[pid 5175] ioctl(6, LOOP_CLR_FD) = 0
[pid 5176] write(5, "t", 1 <unfinished ...>
[pid 5174] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5174] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5174] ioctl(6, LOOP_CLR_FD) = 0
[pid 5177] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5172] <... close resumed>) = 0
[pid 5175] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5174] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5177] <... openat resumed>) = 5
[pid 5175] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5174] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5174] close(6 <unfinished ...>
[pid 5175] close(6 <unfinished ...>
[pid 5174] <... close resumed>) = 0
[pid 5175] <... close resumed>) = 0
[pid 5174] close(5 <unfinished ...>
[pid 5177] write(5, "t", 1 <unfinished ...>
[pid 5175] close(5 <unfinished ...>
[pid 5174] <... close resumed>) = 0
[pid 5173] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5174] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5173] <... openat resumed>) = 5
[pid 5175] <... close resumed>) = 0
[pid 5173] write(5, "t", 1 <unfinished ...>
[pid 5172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5172] write(5, "t", 1 <unfinished ...>
[pid 5175] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5174] write(5, "t", 1 <unfinished ...>
[pid 5175] <... openat resumed>) = 5
[pid 5175] write(5, "t", 1 <unfinished ...>
[pid 5177] <... write resumed>) = 1
[pid 5176] <... write resumed>) = 1
[pid 5172] <... write resumed>) = 1
[pid 5177] exit_group(0 <unfinished ...>
[pid 5176] exit_group(0 <unfinished ...>
[pid 5172] exit_group(0 <unfinished ...>
[pid 5177] <... exit_group resumed>) = ?
[pid 5176] <... exit_group resumed>) = ?
[pid 5172] <... exit_group resumed>) = ?
[pid 5177] +++ exited with 0 +++
[pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5060] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5060] ioctl(3, LOOP_CLR_FD) = 0
[pid 5060] close(3) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached
<unfinished ...>
[pid 5176] +++ exited with 0 +++
[pid 5178] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x555555646650) = 5178
[pid 5178] <... set_robust_list resumed>) = 0
[pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5172] +++ exited with 0 +++
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5178] <... prctl resumed>) = 0
[pid 5178] setpgid(0, 0 <unfinished ...>
[pid 5059] <... openat resumed>) = 3
[pid 5178] <... setpgid resumed>) = 0
[pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5059] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5178] <... openat resumed>) = 3
[pid 5178] write(3, "1000", 4 <unfinished ...>
[pid 5059] <... ioctl resumed>) = 0
[pid 5178] <... write resumed>) = 4
[pid 5059] close(3 <unfinished ...>
[pid 5178] close(3 <unfinished ...>
[pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5178] <... close resumed>) = 0
[pid 5065] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5059] <... close resumed>) = 0
[pid 5178] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5065] <... restart_syscall resumed>) = 0
[pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5178] <... openat resumed>) = 3
[pid 5178] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5179 attached
) = 4
[pid 5179] set_robust_list(0x555555646660, 24 <unfinished ...>
[pid 5178] sendfile(4, 3, [122] <unfinished ...>