./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2993851513
<...>
Warning: Permanently added '10.128.1.54' (ED25519) to the list of known hosts.
execve("./syz-executor2993851513", ["./syz-executor2993851513"], 0x7ffc90fbeb00 /* 10 vars */) = 0
brk(NULL) = 0x55555565f000
brk(0x55555565fd00) = 0x55555565fd00
arch_prctl(ARCH_SET_FS, 0x55555565f380) = 0
set_tid_address(0x55555565f650) = 5060
set_robust_list(0x55555565f660, 24) = 0
rseq(0x55555565fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2993851513", 4096) = 28
getrandom("\xa0\xf1\xa5\x82\xee\xca\xb5\xe5", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555565fd00
brk(0x555555680d00) = 0x555555680d00
brk(0x555555681000) = 0x555555681000
mprotect(0x7f6e4a7b5000, 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 5061 attached
<unfinished ...>
[pid 5061] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5061
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] <... set_robust_list resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5062 attached
<unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5062
[pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5061] close(3 <unfinished ...>
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5062] <... set_robust_list resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached
<unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5064 attached
<unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5063
[pid 5063] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5064] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5063] <... set_robust_list resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5064] <... set_robust_list resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5064
[pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5066 attached
) = -1 ENXIO (No such device or address)
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5066
[pid 5066] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5064] <... prctl resumed>) = 0
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5066] <... set_robust_list resumed>) = 0
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5064] setpgid(0, 0 <unfinished ...>
[pid 5063] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5062] <... close resumed>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5064] <... setpgid resumed>) = 0
[pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5064] <... openat resumed>) = 3
[pid 5063] <... close resumed>) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
<unfinished ...>
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5067
[pid 5066] <... openat resumed>) = 3
./strace-static-x86_64: Process 5068 attached
[pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5064] write(3, "1000", 4 <unfinished ...>
[pid 5068] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5064] <... write resumed>) = 4
[pid 5067] <... set_robust_list resumed>) = 0
[pid 5068] <... set_robust_list resumed>) = 0
[pid 5064] close(3 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5068
[pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5064] <... close resumed>) = 0
./strace-static-x86_64: Process 5070 attached
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5066] close(3 <unfinished ...>
[pid 5068] <... prctl resumed>) = 0
[pid 5064] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5068] setpgid(0, 0 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5066] <... close resumed>) = 0
[pid 5064] <... openat resumed>) = 3
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5069
./strace-static-x86_64: Process 5069 attached
[pid 5060] <... clone resumed>, child_tidptr=0x55555565f650) = 5070
[pid 5070] <... set_robust_list resumed>) = 0
[pid 5068] <... setpgid resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5069] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5064] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5069] <... set_robust_list resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5064] <... openat resumed>) = 4
./strace-static-x86_64: Process 5071 attached
[pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5071] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5069] <... prctl resumed>) = 0
[pid 5068] write(3, "1000", 4 <unfinished ...>
[pid 5064] sendfile(4, 3, [118] <unfinished ...>
[pid 5071] <... set_robust_list resumed>) = 0
[pid 5069] setpgid(0, 0 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5068] <... write resumed>) = 4
[pid 5067] close(3 <unfinished ...>
[pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5068] close(3 <unfinished ...>
[pid 5069] <... setpgid resumed>) = 0
[pid 5068] <... close resumed>) = 0
[pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... prctl resumed>) = 0
[pid 5068] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5071] setpgid(0, 0 <unfinished ...>
[pid 5069] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5068] <... openat resumed>) = 3
[pid 5067] <... close resumed>) = 0
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5071
[pid 5071] <... setpgid resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5069] write(3, "1000", 4 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5069] <... write resumed>) = 4
[pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5068] <... openat resumed>) = 4
[pid 5070] close(3 <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5071] write(3, "1000", 4 <unfinished ...>
[pid 5069] close(3 <unfinished ...>
[pid 5068] sendfile(4, 3, [118] <unfinished ...>
[pid 5071] <... write resumed>) = 4
[pid 5069] <... close resumed>) = 0
./strace-static-x86_64: Process 5072 attached
[pid 5071] close(3 <unfinished ...>
[pid 5069] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5072] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5071] <... close resumed>) = 0
./strace-static-x86_64: Process 5073 attached
[pid 5073] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5072] <... set_robust_list resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5072
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5073
[pid 5073] <... set_robust_list resumed>) = 0
[pid 5069] <... openat resumed>) = 3
[pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5071] <... openat resumed>) = 3
[pid 5072] <... prctl resumed>) = 0
[pid 5069] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5072] setpgid(0, 0 <unfinished ...>
[pid 5073] <... prctl resumed>) = 0
[pid 5072] <... setpgid resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5069] <... openat resumed>) = 4
[pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5071] <... openat resumed>) = 4
[pid 5073] setpgid(0, 0 <unfinished ...>
[pid 5071] sendfile(4, 3, [118] <unfinished ...>
[pid 5069] sendfile(4, 3, [118] <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5073] <... setpgid resumed>) = 0
[pid 5072] write(3, "1000", 4) = 4
[pid 5072] close(3 <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5072] <... close resumed>) = 0
[pid 5073] write(3, "1000", 4 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5073] <... write resumed>) = 4
[pid 5073] close(3 <unfinished ...>
[pid 5072] <... openat resumed>) = 3
[pid 5073] <... close resumed>) = 0
[pid 5072] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5072] <... openat resumed>) = 4
[pid 5072] sendfile(4, 3, [118] <unfinished ...>
[pid 5073] <... openat resumed>) = 3
[pid 5073] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 56.058358][ T5064] syz-executor299 (5064): drop_caches: 1
[ 56.069388][ T5071] syz-executor299 (5071): drop_caches: 1
[ 56.074698][ T5068] syz-executor299 (5068): drop_caches: 1
[ 56.080171][ T5069] syz-executor299 (5069): drop_caches: 1
[ 56.087607][ T5072] syz-executor299 (5072): drop_caches: 1
[ 56.090150][ T5073] syz-executor299 (5073): drop_caches: 1
[pid 5073] sendfile(4, 3, [118] <unfinished ...>
[pid 5069] <... sendfile resumed> => [640], 553) = 522
[pid 5072] <... sendfile resumed> => [640], 553) = 522
[pid 5071] <... sendfile resumed> => [640], 553) = 522
[pid 5064] <... sendfile resumed> => [640], 553) = 522
[pid 5071] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5073] <... sendfile resumed> => [640], 553) = 522
[pid 5072] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5071] <... memfd_create resumed>) = 5
[pid 5069] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5068] <... sendfile resumed> => [640], 553) = 522
[pid 5064] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] <... memfd_create resumed>) = 5
[pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5069] <... memfd_create resumed>) = 5
[pid 5064] <... memfd_create resumed>) = 5
[pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5071] <... mmap resumed>) = 0x7f6e422e4000
[pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5072] <... mmap resumed>) = 0x7f6e422e4000
[pid 5069] <... mmap resumed>) = 0x7f6e422e4000
[pid 5068] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5064] <... mmap resumed>) = 0x7f6e422e4000
[pid 5068] <... memfd_create resumed>) = 5
[pid 5073] <... memfd_create resumed>) = 5
[pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5068] <... mmap resumed>) = 0x7f6e422e4000
[pid 5073] <... mmap resumed>) = 0x7f6e422e4000
[ 56.162790][ T5071] syz-executor299 (5071): drop_caches: 1
[ 56.180566][ T5069] syz-executor299 (5069): drop_caches: 1
[ 56.187591][ T5064] syz-executor299 (5064): drop_caches: 1
[ 56.191535][ T5068] syz-executor299 (5068): drop_caches: 1
[ 56.193950][ T5072] syz-executor299 (5072): drop_caches: 1
[ 56.203503][ T5073] syz-executor299 (5073): drop_caches: 1
[pid 5064] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5071] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5072] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5069] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5068] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5073] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5071] <... write resumed>) = 2097152
[pid 5068] <... write resumed>) = 2097152
[pid 5068] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5069] <... write resumed>) = 2097152
[pid 5071] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5064] <... write resumed>) = 2097152
[pid 5072] <... write resumed>) = 2097152
[pid 5068] <... munmap resumed>) = 0
[pid 5072] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5071] <... munmap resumed>) = 0
[pid 5069] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5064] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5073] <... write resumed>) = 2097152
[pid 5072] <... munmap resumed>) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5069] <... munmap resumed>) = 0
[pid 5068] <... openat resumed>) = 6
[pid 5064] <... munmap resumed>) = 0
[pid 5073] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5071] <... openat resumed>) = 6
[pid 5069] <... openat resumed>) = 6
[pid 5068] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5071] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5064] <... openat resumed>) = 6
[pid 5064] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5069] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5072] <... openat resumed>) = 6
[pid 5072] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5073] <... munmap resumed>) = 0
[pid 5069] <... ioctl resumed>) = 0
[pid 5069] close(5) = 0
[pid 5069] mkdir("./file0", 0777 <unfinished ...>
[pid 5064] <... ioctl resumed>) = 0
[pid 5064] close(5 <unfinished ...>
[pid 5069] <... mkdir resumed>) = 0
[pid 5064] <... close resumed>) = 0
[pid 5069] mount("/dev/loop2", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[pid 5064] mkdir("./file0", 0777) = -1 EEXIST (File exists)
[pid 5064] mount("/dev/loop0", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[pid 5073] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5072] <... ioctl resumed>) = 0
[pid 5071] <... ioctl resumed>) = 0
[pid 5068] <... ioctl resumed>) = 0
[pid 5068] close(5 <unfinished ...>
[pid 5073] <... openat resumed>) = 6
[pid 5072] close(5 <unfinished ...>
[pid 5071] close(5 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5072] mkdir("./file0", 0777 <unfinished ...>
[pid 5071] mkdir("./file0", 0777 <unfinished ...>
[pid 5072] <... mkdir resumed>) = -1 EEXIST (File exists)
[pid 5071] <... mkdir resumed>) = -1 EEXIST (File exists)
[pid 5072] mount("/dev/loop5", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[ 56.383838][ T5071] loop3: detected capacity change from 0 to 4096
[ 56.383846][ T5069] loop2: detected capacity change from 0 to 4096
[ 56.384193][ T5064] loop0: detected capacity change from 0 to 4096
[ 56.390575][ T5068] loop1: detected capacity change from 0 to 4096
[ 56.407719][ T5072] loop5: detected capacity change from 0 to 4096
[ 56.426617][ T5064] ntfs: volume version 3.1.
[pid 5071] mount("/dev/loop3", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[pid 5073] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5068] <... close resumed>) = 0
[pid 5068] mkdir("./file0", 0777) = -1 EEXIST (File exists)
[pid 5068] mount("/dev/loop1", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[pid 5073] <... ioctl resumed>) = 0
[pid 5069] <... mount resumed>) = 0
[pid 5064] <... mount resumed>) = 0
[pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid 5073] close(5 <unfinished ...>
[pid 5069] chdir("./file0" <unfinished ...>
[pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5073] <... close resumed>) = 0
[pid 5069] <... chdir resumed>) = 0
[pid 5073] mkdir("./file0", 0777 <unfinished ...>
[pid 5069] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5064] <... openat resumed>) = 5
[pid 5073] <... mkdir resumed>) = -1 EEXIST (File exists)
[pid 5069] <... ioctl resumed>) = 0
[pid 5064] chdir("./file0" <unfinished ...>
[pid 5073] mount("/dev/loop4", "./file0", "ntfs", MS_NODIRATIME|MS_REC, "case_sensitive=no,mft_zone_multiplier=0xffffffffffffffff,errors=continue,fmask=000000000000000000000"... <unfinished ...>
[pid 5069] close(6 <unfinished ...>
[pid 5064] <... chdir resumed>) = 0
[pid 5069] <... close resumed>) = 0
[pid 5064] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5064] <... ioctl resumed>) = 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 5069] <... openat resumed>) = 6
[pid 5064] <... openat resumed>) = 6
[ 56.427967][ T5069] ntfs: volume version 3.1.
[ 56.434815][ T5073] loop4: detected capacity change from 0 to 4096
[pid 5064] write(6, "t", 1 <unfinished ...>
[pid 5069] write(6, "t", 1 <unfinished ...>
[pid 5072] <... mount resumed>) = 0
[pid 5071] <... mount resumed>) = 0
[pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5072] <... openat resumed>) = 5
[pid 5071] <... openat resumed>) = 5
[pid 5072] chdir("./file0" <unfinished ...>
[pid 5071] chdir("./file0" <unfinished ...>
[pid 5072] <... chdir resumed>) = 0
[pid 5071] <... chdir resumed>) = 0
[pid 5072] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5071] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5072] <... ioctl resumed>) = 0
[pid 5071] <... ioctl resumed>) = 0
[ 56.476226][ T5072] ntfs: volume version 3.1.
[ 56.478080][ T5064] ntfs: (device loop2): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
[ 56.505497][ T5071] ntfs: volume version 3.1.
[pid 5072] close(6 <unfinished ...>
[pid 5071] close(6 <unfinished ...>
[pid 5072] <... close resumed>) = 0
[pid 5071] <... close resumed>) = 0
[pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6
[pid 5072] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6
[ 56.515469][ T5064] ntfs: (device loop2): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x800 because its location on disk could not be determined even after retrying (error code -5).
[ 56.536848][ T5064] ntfs: (device loop2): ntfs_cluster_alloc(): Failed to map page.
[ 56.541097][ T5072] ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
[ 56.546062][ T5064] ntfs: (device loop2): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -5).
[pid 5072] write(6, "t", 1 <unfinished ...>
[pid 5071] write(6, "t", 1 <unfinished ...>
[pid 5064] <... write resumed>) = -1 EIO (Input/output error)
[pid 5064] exit_group(0) = ?
[ 56.576108][ T5069] ntfs: (device loop2): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
[ 56.599187][ T5072] ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x800 because its location on disk could not be determined even after retrying (error code -5).
[pid 5064] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} ---
[pid 5073] <... mount resumed>) = 0
[pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid 5073] chdir("./file0") = 0
[pid 5073] ioctl(6, LOOP_CLR_FD) = 0
[pid 5073] close(6) = 0
[pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5072] <... write resumed>) = -1 EIO (Input/output error)
[pid 5071] <... write resumed>) = -1 EIO (Input/output error)
[pid 5069] <... write resumed>) = -1 EIO (Input/output error)
[pid 5071] exit_group(0) = ?
[pid 5072] exit_group(0 <unfinished ...>
[pid 5071] +++ exited with 0 +++
[pid 5069] exit_group(0 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5072] <... exit_group resumed>) = ?
[pid 5069] <... exit_group resumed>) = ?
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5073] <... openat resumed>) = 6
[pid 5072] +++ exited with 0 +++
[pid 5069] +++ exited with 0 +++
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5063] --- 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=17 /* 0.17 s */} ---
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} ---
[pid 5066] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5073] write(6, "t", 1 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5066] close(3 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5073] <... write resumed>) = -1 EIO (Input/output error)
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
./strace-static-x86_64: Process 5076 attached
<unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5077] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5077
[pid 5077] <... set_robust_list resumed>) = 0
[pid 5076] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5076
[pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5078 attached
<unfinished ...>
[pid 5077] <... prctl resumed>) = 0
[pid 5076] <... set_robust_list resumed>) = 0
[pid 5073] exit_group(0 <unfinished ...>
[pid 5077] setpgid(0, 0 <unfinished ...>
[pid 5073] <... exit_group resumed>) = ?
[pid 5077] <... setpgid resumed>) = 0
[pid 5073] +++ exited with 0 +++
[pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} ---
[pid 5077] <... openat resumed>) = 3
[pid 5077] write(3, "1000", 4) = 4
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5077] close(3 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5077] <... close resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5077] <... openat resumed>) = 3
[ 56.620365][ T5069] ntfs: (device loop2): ntfs_read_block(): Failed to read from inode 0x6, attribute type 0x80, vcn 0x0, offset 0x800 because its location on disk could not be determined even after retrying (error code -5).
[ 56.644543][ T5072] ntfs: (device loop3): ntfs_cluster_alloc(): Failed to map page.
[ 56.649942][ T5073] ntfs: volume version 3.1.
[ 56.653253][ T5072] ntfs: (device loop3): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -5).
[ 56.670445][ T5068] ntfs: volume version 3.1.
[pid 5067] close(3 <unfinished ...>
[pid 5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5078] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5077] <... openat resumed>) = 4
[pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5078
[pid 5063] <... openat resumed>) = 3
./strace-static-x86_64: Process 5079 attached
[pid 5078] <... set_robust_list resumed>) = 0
[pid 5077] sendfile(4, 3, [118] <unfinished ...>
[pid 5076] <... prctl resumed>) = 0
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5079] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5076] setpgid(0, 0 <unfinished ...>
[pid 5063] <... ioctl resumed>) = 0
[pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5076] <... setpgid resumed>) = 0
[pid 5078] <... prctl resumed>) = 0
[pid 5063] close(3 <unfinished ...>
[pid 5079] <... set_robust_list resumed>) = 0
[pid 5078] setpgid(0, 0 <unfinished ...>
[pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5068] <... mount resumed>) = 0
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5079
[pid 5063] <... close resumed>) = 0
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5078] <... setpgid resumed>) = 0
[pid 5076] <... openat resumed>) = 3
[pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5076] write(3, "1000", 4 <unfinished ...>
[pid 5068] <... openat resumed>) = 5
[pid 5076] <... write resumed>) = 4
[pid 5068] chdir("./file0"./strace-static-x86_64: Process 5080 attached
<unfinished ...>
[pid 5079] <... prctl resumed>) = 0
[pid 5078] <... openat resumed>) = 3
[pid 5076] close(3 <unfinished ...>
[pid 5068] <... chdir resumed>) = 0
[pid 5080] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5079] setpgid(0, 0 <unfinished ...>
[pid 5078] write(3, "1000", 4 <unfinished ...>
[pid 5076] <... close resumed>) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5080
[pid 5080] <... set_robust_list resumed>) = 0
[pid 5078] <... write resumed>) = 4
[pid 5078] close(3 <unfinished ...>
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5079] <... setpgid resumed>) = 0
[pid 5078] <... close resumed>) = 0
[pid 5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5068] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5080] <... prctl resumed>) = 0
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5076] <... openat resumed>) = 3
[pid 5068] <... ioctl resumed>) = 0
[pid 5080] setpgid(0, 0 <unfinished ...>
[pid 5079] <... openat resumed>) = 3
[pid 5078] <... openat resumed>) = 3
[pid 5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5068] close(6 <unfinished ...>
[pid 5080] <... setpgid resumed>) = 0
[pid 5079] write(3, "1000", 4 <unfinished ...>
[pid 5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5076] <... openat resumed>) = 4
[pid 5068] <... close resumed>) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5079] <... write resumed>) = 4
[pid 5078] <... openat resumed>) = 4
[pid 5076] sendfile(4, 3, [118] <unfinished ...>
[pid 5068] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5080] <... openat resumed>) = 3
[pid 5079] close(3 <unfinished ...>
[pid 5078] sendfile(4, 3, [118] <unfinished ...>
[pid 5068] <... openat resumed>) = 6
[pid 5079] <... close resumed>) = 0
[pid 5068] write(6, "t", 1 <unfinished ...>
[pid 5080] write(3, "1000", 4 <unfinished ...>
[pid 5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5080] <... write resumed>) = 4
[pid 5079] <... openat resumed>) = 3
[pid 5068] <... write resumed>) = -1 EIO (Input/output error)
[pid 5080] close(3) = 0
[pid 5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5068] exit_group(0 <unfinished ...>
[pid 5080] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5079] <... openat resumed>) = 4
[pid 5068] <... exit_group resumed>) = ?
[pid 5080] <... openat resumed>) = 3
[pid 5079] sendfile(4, 3, [118] <unfinished ...>
[pid 5068] +++ exited with 0 +++
[pid 5080] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} ---
[pid 5080] <... openat resumed>) = 4
[pid 5080] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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 5081 attached
<unfinished ...>
[pid 5081] set_robust_list(0x55555565f660, 24) = 0
[pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5081] setpgid(0, 0) = 0
[pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5081
[pid 5081] <... openat resumed>) = 3
[pid 5081] write(3, "1000", 4) = 4
[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) = 4
[ 56.888254][ T5077] syz-executor299 (5077): drop_caches: 1
[ 56.889372][ T5078] syz-executor299 (5078): drop_caches: 1
[ 56.899027][ T5079] syz-executor299 (5079): drop_caches: 1
[ 56.912096][ T5076] syz-executor299 (5076): drop_caches: 1
[ 56.948155][ T5080] syz-executor299 (5080): drop_caches: 1
[ 56.979810][ T5081] syz-executor299 (5081): drop_caches: 1
[pid 5081] sendfile(4, 3, [118] <unfinished ...>
[pid 5078] <... sendfile resumed> => [671], 553) = 553
[pid 5078] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5076] <... sendfile resumed> => [671], 553) = 553
[pid 5078] <... memfd_create resumed>) = 5
[pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5076] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5078] <... mmap resumed>) = 0x7f6e422e4000
[pid 5076] <... memfd_create resumed>) = 5
[pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 57.106575][ T5076] syz-executor299 (5076): drop_caches: 1
[ 57.118933][ T5078] syz-executor299 (5078): drop_caches: 1
[ 57.145970][ T5079] syz-executor299 (5079): drop_caches: 1
[pid 5079] <... sendfile resumed> => [671], 553) = 553
[pid 5077] <... sendfile resumed> => [671], 553) = 553
[pid 5077] memfd_create("syzkaller", 0) = 5
[pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5081] <... sendfile resumed> => [671], 553) = 553
[pid 5080] <... sendfile resumed> => [671], 553) = 553
[pid 5079] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5078] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5079] <... memfd_create resumed>) = 5
[pid 5081] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5080] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 57.175674][ T5080] syz-executor299 (5080): drop_caches: 1
[ 57.182575][ T5077] syz-executor299 (5077): drop_caches: 1
[ 57.193197][ T5081] syz-executor299 (5081): drop_caches: 1
[pid 5081] <... memfd_create resumed>) = 5
[pid 5080] <... memfd_create resumed>) = 5
[pid 5077] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5081] <... mmap resumed>) = 0x7f6e422e4000
[pid 5080] <... mmap resumed>) = 0x7f6e422e4000
[pid 5076] <... write resumed>) = 2097152
[pid 5079] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5078] <... write resumed>) = 2097152
[pid 5081] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5078] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5076] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(6, LOOP_CLR_FD) = 0
[pid 5080] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5078] <... munmap resumed>) = 0
[pid 5077] <... write resumed>) = 2097152
[pid 5078] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5078] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5077] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5078] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5078] <... ioctl resumed>) = 0
[pid 5076] close(6 <unfinished ...>
[pid 5079] <... write resumed>) = 2097152
[pid 5077] <... munmap resumed>) = 0
[pid 5076] <... close resumed>) = 0
[pid 5076] close(5 <unfinished ...>
[pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5079] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5078] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5077] <... openat resumed>) = 6
[pid 5080] <... write resumed>) = 2097152
[pid 5079] <... munmap resumed>) = 0
[pid 5078] close(6 <unfinished ...>
[pid 5077] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5079] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5078] <... close resumed>) = 0
[pid 5079] <... openat resumed>) = 6
[pid 5080] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5079] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5078] close(5 <unfinished ...>
[pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5079] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5080] <... munmap resumed>) = 0
[pid 5079] <... ioctl resumed>) = 0
[pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5077] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5081] <... write resumed>) = 2097152
[pid 5080] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5077] <... ioctl resumed>) = 0
[pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5080] <... openat resumed>) = 6
[pid 5079] close(6 <unfinished ...>
[pid 5081] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5080] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5079] <... close resumed>) = 0
[pid 5077] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5076] <... close resumed>) = 0
[pid 5081] <... munmap resumed>) = 0
[pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5079] close(5 <unfinished ...>
[pid 5078] <... close resumed>) = 0
[pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5080] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5080] <... ioctl resumed>) = 0
[pid 5077] close(6) = 0
[pid 5077] close(5 <unfinished ...>
[pid 5081] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5079] <... close resumed>) = 0
[pid 5078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5076] <... openat resumed>) = 5
[pid 5078] <... openat resumed>) = 5
[pid 5080] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5078] write(5, "t", 1 <unfinished ...>
[pid 5076] write(5, "t", 1 <unfinished ...>
[pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5080] close(6) = 0
[pid 5081] <... openat resumed>) = 6
[pid 5080] close(5 <unfinished ...>
[pid 5079] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5081] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5079] <... openat resumed>) = 5
[pid 5077] <... close resumed>) = 0
[pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5079] write(5, "t", 1 <unfinished ...>
[pid 5081] ioctl(6, LOOP_CLR_FD) = 0
[pid 5078] <... write resumed>) = 1
[pid 5076] <... write resumed>) = 1
[pid 5076] exit_group(0 <unfinished ...>
[pid 5078] exit_group(0 <unfinished ...>
[pid 5077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5076] <... exit_group resumed>) = ?
[pid 5078] <... exit_group resumed>) = ?
[pid 5081] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5081] close(6) = 0
[pid 5081] close(5 <unfinished ...>
[pid 5080] <... close resumed>) = 0
[pid 5079] <... write resumed>) = 1
[pid 5078] +++ exited with 0 +++
[pid 5077] <... openat resumed>) = 5
[pid 5076] +++ exited with 0 +++
[pid 5079] exit_group(0 <unfinished ...>
[pid 5077] write(5, "t", 1 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5079] <... exit_group resumed>) = ?
[pid 5079] +++ exited with 0 +++
[pid 5080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5080] <... openat resumed>) = 5
[pid 5061] <... ioctl resumed>) = 0
[pid 5080] write(5, "t", 1 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5067] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5066] <... openat resumed>) = 3
[pid 5061] close(3 <unfinished ...>
[pid 5067] <... restart_syscall resumed>) = 0
[pid 5066] 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 5066] <... ioctl resumed>) = 0
[pid 5066] close(3 <unfinished ...>
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5083
[pid 5077] <... write resumed>) = 1
./strace-static-x86_64: Process 5083 attached
[pid 5077] exit_group(0 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5083] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5077] <... exit_group resumed>) = ?
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5080] <... write resumed>) = 1
[pid 5067] <... close resumed>) = 0
[pid 5080] exit_group(0 <unfinished ...>
[pid 5083] <... set_robust_list resumed>) = 0
[pid 5080] <... exit_group resumed>) = ?
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5084
[pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5084 attached
) = 0
[pid 5080] +++ exited with 0 +++
[pid 5077] +++ exited with 0 +++
[pid 5066] <... close resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5083] setpgid(0, 0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5084] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5083] <... setpgid resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5084] <... set_robust_list resumed>) = 0
[pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] <... close resumed>) = 0
[pid 5084] setpgid(0, 0 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5084] <... setpgid resumed>) = 0
[pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5083] <... openat resumed>) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5085 attached
<unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5085
[pid 5085] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5084] <... openat resumed>) = 3
[pid 5083] write(3, "1000", 4./strace-static-x86_64: Process 5086 attached
<unfinished ...>
[pid 5085] <... set_robust_list resumed>) = 0
[pid 5084] write(3, "1000", 4 <unfinished ...>
[pid 5083] <... write resumed>) = 4
[pid 5081] <... close resumed>) = 0
[pid 5063] <... ioctl resumed>) = 0
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5086
[pid 5063] close(3 <unfinished ...>
[pid 5083] close(3 <unfinished ...>
[pid 5063] <... close resumed>) = 0
[pid 5086] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5085] <... prctl resumed>) = 0
[pid 5084] <... write resumed>) = 4
[pid 5083] <... close resumed>) = 0
[pid 5081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5086] <... set_robust_list resumed>) = 0
[pid 5085] setpgid(0, 0 <unfinished ...>
[pid 5084] close(3 <unfinished ...>
[pid 5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5081] <... openat resumed>) = 5
[pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5085] <... setpgid resumed>) = 0
[pid 5084] <... close resumed>) = 0
[pid 5083] <... openat resumed>) = 3
[pid 5086] <... prctl resumed>) = 0
[pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5084] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5081] write(5, "t", 1 <unfinished ...>
[pid 5086] setpgid(0, 0 <unfinished ...>
[pid 5085] <... openat resumed>) = 3
[pid 5084] <... openat resumed>) = 3
[pid 5083] <... openat resumed>) = 4
[pid 5086] <... setpgid resumed>) = 0
[pid 5085] write(3, "1000", 4 <unfinished ...>
[pid 5084] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5083] sendfile(4, 3, [118]./strace-static-x86_64: Process 5088 attached
<unfinished ...>
[pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5088
[pid 5088] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5086] <... openat resumed>) = 3
[pid 5084] <... openat resumed>) = 4
[pid 5088] <... set_robust_list resumed>) = 0
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5086] write(3, "1000", 4 <unfinished ...>
[pid 5085] <... write resumed>) = 4
[pid 5084] sendfile(4, 3, [118] <unfinished ...>
[pid 5088] <... prctl resumed>) = 0
[pid 5088] setpgid(0, 0 <unfinished ...>
[pid 5086] <... write resumed>) = 4
[pid 5085] close(3 <unfinished ...>
[pid 5081] <... write resumed>) = 1
[pid 5081] exit_group(0 <unfinished ...>
[pid 5085] <... close resumed>) = 0
[pid 5081] <... exit_group resumed>) = ?
[pid 5081] +++ exited with 0 +++
[pid 5088] <... setpgid resumed>) = 0
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5085] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid 5088] <... openat resumed>) = 3
[pid 5086] close(3 <unfinished ...>
[pid 5085] <... openat resumed>) = 3
[pid 5088] write(3, "1000", 4) = 4
[pid 5088] close(3 <unfinished ...>
[pid 5086] <... close resumed>) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5088] <... close resumed>) = 0
[pid 5088] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5086] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5085] <... openat resumed>) = 4
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5088] <... openat resumed>) = 3
[pid 5086] <... openat resumed>) = 3
[pid 5085] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5088] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5086] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5088] <... openat resumed>) = 4
[pid 5086] <... openat resumed>) = 4
[pid 5062] <... ioctl resumed>) = 0
[pid 5088] sendfile(4, 3, [118] <unfinished ...>
[pid 5086] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] close(3) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5090
./strace-static-x86_64: Process 5090 attached
[pid 5090] set_robust_list(0x55555565f660, 24) = 0
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5090] setpgid(0, 0) = 0
[pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5090] write(3, "1000", 4) = 4
[pid 5090] close(3) = 0
[pid 5090] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5090] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 57.664461][ T5083] syz-executor299 (5083): drop_caches: 1
[ 57.681847][ T5088] syz-executor299 (5088): drop_caches: 1
[ 57.708072][ T5084] syz-executor299 (5084): drop_caches: 1
[ 57.715709][ T5085] syz-executor299 (5085): drop_caches: 1
[ 57.733663][ T5086] syz-executor299 (5086): drop_caches: 1
[ 57.757715][ T5090] syz-executor299 (5090): drop_caches: 1
[pid 5090] sendfile(4, 3, [118] <unfinished ...>
[pid 5083] <... sendfile resumed> => [671], 553) = 553
[ 57.795409][ T5088] syz-executor299 (5088): drop_caches: 1
[ 57.810975][ T5083] syz-executor299 (5083): drop_caches: 1
[pid 5088] <... sendfile resumed> => [671], 553) = 553
[pid 5090] <... sendfile resumed> => [671], 553) = 553
[pid 5083] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5090] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5088] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5083] <... memfd_create resumed>) = 5
[pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5088] <... memfd_create resumed>) = 5
[pid 5090] <... memfd_create resumed>) = 5
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5088] <... mmap resumed>) = 0x7f6e422e4000
[pid 5083] <... mmap resumed>) = 0x7f6e422e4000
[pid 5090] <... mmap resumed>) = 0x7f6e422e4000
[pid 5084] <... sendfile resumed> => [671], 553) = 553
[pid 5086] <... sendfile resumed> => [671], 553) = 553
[pid 5085] <... sendfile resumed> => [671], 553) = 553
[pid 5086] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5085] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5084] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5085] <... memfd_create resumed>) = 5
[pid 5084] <... memfd_create resumed>) = 5
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5085] <... mmap resumed>) = 0x7f6e422e4000
[pid 5084] <... mmap resumed>) = 0x7f6e422e4000
[pid 5088] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5083] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5086] <... memfd_create resumed>) = 5
[ 57.845073][ T5090] syz-executor299 (5090): drop_caches: 1
[ 57.848164][ T5084] syz-executor299 (5084): drop_caches: 1
[ 57.870594][ T5086] syz-executor299 (5086): drop_caches: 1
[ 57.875853][ T5085] syz-executor299 (5085): drop_caches: 1
[pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5090] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5085] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5084] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5086] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5083] <... write resumed>) = 2097152
[pid 5088] <... write resumed>) = 2097152
[pid 5083] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5088] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5083] <... munmap resumed>) = 0
[pid 5090] <... write resumed>) = 2097152
[pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5090] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5088] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5083] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] <... openat resumed>) = 6
[pid 5090] <... munmap resumed>) = 0
[pid 5088] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5090] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5088] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5085] <... write resumed>) = 2097152
[pid 5083] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5090] <... openat resumed>) = 6
[pid 5088] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5086] <... write resumed>) = 2097152
[pid 5085] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5090] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] <... ioctl resumed>) = 0
[pid 5086] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5084] <... write resumed>) = 2097152
[pid 5083] <... ioctl resumed>) = 0
[pid 5090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5085] <... munmap resumed>) = 0
[pid 5084] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5090] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5086] <... munmap resumed>) = 0
[pid 5084] <... munmap resumed>) = 0
[pid 5090] <... ioctl resumed>) = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5086] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5085] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5090] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5088] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5086] <... openat resumed>) = 6
[pid 5085] <... openat resumed>) = 6
[pid 5084] <... openat resumed>) = 6
[pid 5083] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5090] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5088] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5086] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5085] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5084] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5090] close(6 <unfinished ...>
[pid 5088] close(6 <unfinished ...>
[pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5083] close(6 <unfinished ...>
[pid 5090] <... close resumed>) = 0
[pid 5088] <... close resumed>) = 0
[pid 5086] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5085] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5084] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5090] close(5 <unfinished ...>
[pid 5088] close(5 <unfinished ...>
[pid 5086] <... ioctl resumed>) = 0
[pid 5085] <... ioctl resumed>) = 0
[pid 5084] <... ioctl resumed>) = 0
[pid 5083] <... close resumed>) = 0
[pid 5083] close(5 <unfinished ...>
[pid 5088] <... close resumed>) = 0
[pid 5084] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5084] close(6) = 0
[pid 5084] close(5 <unfinished ...>
[pid 5085] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5086] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5086] close(6) = 0
[pid 5086] close(5 <unfinished ...>
[pid 5085] close(6) = 0
[pid 5088] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5088] write(5, "t", 1 <unfinished ...>
[pid 5085] close(5 <unfinished ...>
[pid 5084] <... close resumed>) = 0
[pid 5090] <... close resumed>) = 0
[pid 5088] <... write resumed>) = 1
[pid 5085] <... close resumed>) = 0
[pid 5083] <... close resumed>) = 0
[pid 5088] exit_group(0) = ?
[pid 5088] +++ exited with 0 +++
[pid 5086] <... close resumed>) = 0
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5084] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5086] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5090] <... openat resumed>) = 5
[pid 5086] <... openat resumed>) = 5
[pid 5084] <... openat resumed>) = 5
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5090] write(5, "t", 1 <unfinished ...>
[pid 5084] write(5, "t", 1 <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5086] write(5, "t", 1 <unfinished ...>
[pid 5083] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5085] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5083] <... openat resumed>) = 5
[pid 5063] <... ioctl resumed>) = 0
[pid 5090] <... write resumed>) = 1
[pid 5086] <... write resumed>) = 1
[pid 5085] <... openat resumed>) = 5
[pid 5084] <... write resumed>) = 1
[pid 5083] write(5, "t", 1 <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5090] exit_group(0 <unfinished ...>
[pid 5086] exit_group(0 <unfinished ...>
[pid 5085] write(5, "t", 1 <unfinished ...>
[pid 5084] exit_group(0 <unfinished ...>
[pid 5083] <... write resumed>) = 1
[pid 5063] <... close resumed>) = 0
[pid 5090] <... exit_group resumed>) = ?
[pid 5086] <... exit_group resumed>) = ?
[pid 5084] <... exit_group resumed>) = ?
[pid 5083] exit_group(0 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5085] <... write resumed>) = 1
./strace-static-x86_64: Process 5091 attached
[pid 5085] exit_group(0 <unfinished ...>
[pid 5091] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5085] <... exit_group resumed>) = ?
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5091
[pid 5091] <... set_robust_list resumed>) = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5090] +++ exited with 0 +++
[pid 5085] +++ exited with 0 +++
[pid 5083] <... exit_group resumed>) = ?
[pid 5091] setpgid(0, 0 <unfinished ...>
[pid 5086] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, 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=5090, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5091] <... setpgid resumed>) = 0
[pid 5083] +++ exited with 0 +++
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5091] <... openat resumed>) = 3
[pid 5084] +++ exited with 0 +++
[pid 5070] <... ioctl resumed>) = 0
[pid 5066] <... openat resumed>) = 3
[pid 5062] <... openat resumed>) = 3
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5091] write(3, "1000", 4 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5066] <... ioctl resumed>) = 0
[pid 5062] <... ioctl resumed>) = 0
[pid 5091] <... write resumed>) = 4
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5067] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5066] close(3 <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5091] close(3 <unfinished ...>
[pid 5067] <... restart_syscall resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5066] <... close resumed>) = 0
[pid 5062] <... close resumed>) = 0
[pid 5061] <... openat resumed>) = 3
./strace-static-x86_64: Process 5092 attached
[pid 5091] <... close resumed>) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5092] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5091] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5092
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5092] <... set_robust_list resumed>) = 0
[pid 5067] <... openat resumed>) = 3
[pid 5061] close(3 <unfinished ...>
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5092] <... prctl resumed>) = 0
[pid 5067] <... ioctl resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
./strace-static-x86_64: Process 5093 attached
<unfinished ...>
[pid 5092] setpgid(0, 0 <unfinished ...>
[pid 5091] <... openat resumed>) = 3
[pid 5067] close(3 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5093
./strace-static-x86_64: Process 5095 attached
[pid 5094] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5093] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5092] <... setpgid resumed>) = 0
[pid 5091] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5094
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5095
[pid 5095] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5094] <... set_robust_list resumed>) = 0
[pid 5093] <... set_robust_list resumed>) = 0
[pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5091] <... openat resumed>) = 4
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
<unfinished ...>
[pid 5095] <... set_robust_list resumed>) = 0
[pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5092] <... openat resumed>) = 3
[pid 5091] sendfile(4, 3, [118] <unfinished ...>
[pid 5094] <... prctl resumed>) = 0
[pid 5093] <... prctl resumed>) = 0
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5096
[pid 5096] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5094] setpgid(0, 0 <unfinished ...>
[pid 5093] setpgid(0, 0 <unfinished ...>
[pid 5092] write(3, "1000", 4 <unfinished ...>
[pid 5096] <... set_robust_list resumed>) = 0
[pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5094] <... setpgid resumed>) = 0
[pid 5092] <... write resumed>) = 4
[pid 5093] <... setpgid resumed>) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5095] <... prctl resumed>) = 0
[pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5092] close(3 <unfinished ...>
[pid 5096] <... prctl resumed>) = 0
[pid 5095] setpgid(0, 0 <unfinished ...>
[pid 5094] <... openat resumed>) = 3
[pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5096] setpgid(0, 0 <unfinished ...>
[pid 5095] <... setpgid resumed>) = 0
[pid 5094] write(3, "1000", 4 <unfinished ...>
[pid 5092] <... close resumed>) = 0
[pid 5093] <... openat resumed>) = 3
[pid 5096] <... setpgid resumed>) = 0
[pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5094] <... write resumed>) = 4
[pid 5093] write(3, "1000", 4 <unfinished ...>
[pid 5092] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5095] <... openat resumed>) = 3
[pid 5094] close(3 <unfinished ...>
[pid 5092] <... openat resumed>) = 3
[pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5093] <... write resumed>) = 4
[pid 5094] <... close resumed>) = 0
[pid 5094] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5092] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5092] sendfile(4, 3, [118] <unfinished ...>
[pid 5094] <... openat resumed>) = 3
[pid 5096] <... openat resumed>) = 3
[pid 5093] close(3 <unfinished ...>
[pid 5095] write(3, "1000", 4 <unfinished ...>
[pid 5093] <... close resumed>) = 0
[pid 5095] <... write resumed>) = 4
[pid 5094] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5093] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5095] close(3) = 0
[pid 5094] <... openat resumed>) = 4
[pid 5093] <... openat resumed>) = 3
[pid 5095] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5094] sendfile(4, 3, [118] <unfinished ...>
[pid 5093] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5095] <... openat resumed>) = 3
[pid 5093] <... openat resumed>) = 4
[pid 5096] write(3, "1000", 4) = 4
[pid 5093] sendfile(4, 3, [118] <unfinished ...>
[pid 5096] close(3 <unfinished ...>
[pid 5095] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5096] <... close resumed>) = 0
[pid 5096] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5095] <... openat resumed>) = 4
[pid 5095] sendfile(4, 3, [118] <unfinished ...>
[pid 5096] <... openat resumed>) = 3
[pid 5096] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 58.264298][ T5091] syz-executor299 (5091): drop_caches: 1
[ 58.337836][ T5092] syz-executor299 (5092): drop_caches: 1
[ 58.338019][ T5095] syz-executor299 (5095): drop_caches: 1
[ 58.349300][ T5094] syz-executor299 (5094): drop_caches: 1
[ 58.367657][ T5096] syz-executor299 (5096): drop_caches: 1
[ 58.383122][ T5093] syz-executor299 (5093): drop_caches: 1
[pid 5096] sendfile(4, 3, [118] <unfinished ...>
[pid 5091] <... sendfile resumed> => [671], 553) = 553
[pid 5091] memfd_create("syzkaller", 0) = 5
[ 58.453541][ T5091] syz-executor299 (5091): drop_caches: 1
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5095] <... sendfile resumed> => [671], 553) = 553
[ 58.556389][ T5092] syz-executor299 (5092): drop_caches: 1
[ 58.567742][ T5094] syz-executor299 (5094): drop_caches: 1
[ 58.580379][ T5095] syz-executor299 (5095): drop_caches: 1
[ 58.590811][ T5096] syz-executor299 (5096): drop_caches: 1
[pid 5091] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... sendfile resumed> => [671], 553) = 553
[pid 5094] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5092] <... sendfile resumed> => [671], 553) = 553
[pid 5094] <... memfd_create resumed>) = 5
[pid 5092] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 58.603714][ T5093] syz-executor299 (5093): drop_caches: 1
[pid 5096] <... sendfile resumed> => [671], 553) = 553
[pid 5095] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5093] <... sendfile resumed> => [671], 553) = 553
[pid 5092] <... memfd_create resumed>) = 5
[pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5096] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5093] memfd_create("syzkaller", 0) = 5
[pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5096] <... memfd_create resumed>) = 5
[pid 5095] <... memfd_create resumed>) = 5
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5096] <... mmap resumed>) = 0x7f6e422e4000
[pid 5095] <... mmap resumed>) = 0x7f6e422e4000
[pid 5091] <... write resumed>) = 2097152
[pid 5091] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5095] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5091] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5091] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5096] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5091] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5091] ioctl(6, LOOP_CLR_FD) = 0
[pid 5092] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5091] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5091] close(6) = 0
[pid 5091] close(5 <unfinished ...>
[pid 5094] <... write resumed>) = 2097152
[pid 5091] <... close resumed>) = 0
[pid 5091] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5095] <... write resumed>) = 2097152
[pid 5095] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5091] <... openat resumed>) = 5
[pid 5091] write(5, "t", 1 <unfinished ...>
[pid 5095] <... munmap resumed>) = 0
[pid 5094] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5096] <... write resumed>) = 2097152
[pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5093] <... write resumed>) = 2097152
[pid 5092] <... write resumed>) = 2097152
[pid 5091] <... write resumed>) = 1
[pid 5096] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5095] <... openat resumed>) = 6
[pid 5094] <... munmap resumed>) = 0
[pid 5093] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5092] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5091] exit_group(0 <unfinished ...>
[pid 5095] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5094] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5093] <... munmap resumed>) = 0
[pid 5092] <... munmap resumed>) = 0
[pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5091] <... exit_group resumed>) = ?
[pid 5094] <... openat resumed>) = 6
[pid 5091] +++ exited with 0 +++
[pid 5094] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5094] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5094] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5092] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5094] <... ioctl resumed>) = 0
[pid 5092] <... openat resumed>) = 6
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5095] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5092] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5095] <... ioctl resumed>) = 0
[pid 5093] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5092] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5063] <... ioctl resumed>) = 0
[pid 5093] <... openat resumed>) = 6
[pid 5092] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5094] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5093] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5092] <... ioctl resumed>) = 0
[pid 5063] <... close resumed>) = 0
[pid 5094] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5093] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5096] <... munmap resumed>) = 0
./strace-static-x86_64: Process 5097 attached
[pid 5095] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5094] close(6 <unfinished ...>
[pid 5093] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5096] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5097] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5095] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5094] <... close resumed>) = 0
[pid 5093] <... ioctl resumed>) = 0
[pid 5092] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5097
[pid 5097] <... set_robust_list resumed>) = 0
[pid 5096] <... openat resumed>) = 6
[pid 5095] close(6 <unfinished ...>
[pid 5094] close(5 <unfinished ...>
[pid 5092] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5096] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5095] <... close resumed>) = 0
[pid 5092] close(6 <unfinished ...>
[pid 5097] <... prctl resumed>) = 0
[pid 5092] <... close resumed>) = 0
[pid 5097] setpgid(0, 0 <unfinished ...>
[pid 5096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5092] close(5 <unfinished ...>
[pid 5097] <... setpgid resumed>) = 0
[pid 5096] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5095] close(5 <unfinished ...>
[pid 5093] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5096] <... ioctl resumed>) = 0
[pid 5093] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5093] close(6 <unfinished ...>
[pid 5097] <... openat resumed>) = 3
[pid 5094] <... close resumed>) = 0
[pid 5093] <... close resumed>) = 0
[pid 5097] write(3, "1000", 4) = 4
[pid 5093] close(5 <unfinished ...>
[pid 5097] close(3) = 0
[pid 5097] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5097] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5097] sendfile(4, 3, [118] <unfinished ...>
[pid 5092] <... close resumed>) = 0
[pid 5096] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5096] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5094] <... openat resumed>) = 5
[pid 5096] close(6 <unfinished ...>
[pid 5094] write(5, "t", 1 <unfinished ...>
[pid 5096] <... close resumed>) = 0
[pid 5096] close(5 <unfinished ...>
[pid 5092] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5096] <... close resumed>) = 0
[pid 5092] <... openat resumed>) = 5
[pid 5096] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5095] <... close resumed>) = 0
[pid 5092] write(5, "t", 1 <unfinished ...>
[pid 5096] write(5, "t", 1 <unfinished ...>
[pid 5093] <... close resumed>) = 0
[pid 5093] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5093] write(5, "t", 1 <unfinished ...>
[pid 5095] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5096] <... write resumed>) = 1
[pid 5095] write(5, "t", 1 <unfinished ...>
[pid 5093] <... write resumed>) = 1
[pid 5092] <... write resumed>) = 1
[pid 5096] exit_group(0 <unfinished ...>
[pid 5094] <... write resumed>) = 1
[pid 5093] exit_group(0 <unfinished ...>
[pid 5092] exit_group(0 <unfinished ...>
[pid 5094] exit_group(0 <unfinished ...>
[pid 5093] <... exit_group resumed>) = ?
[pid 5092] <... exit_group resumed>) = ?
[pid 5096] <... exit_group resumed>) = ?
[pid 5094] <... exit_group resumed>) = ?
[pid 5093] +++ exited with 0 +++
[pid 5092] +++ exited with 0 +++
[pid 5096] +++ exited with 0 +++
[pid 5094] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} ---
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5066] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5066] <... restart_syscall resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5070] <... ioctl resumed>) = 0
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5062] <... ioctl resumed>) = 0
[pid 5066] <... openat resumed>) = 3
[pid 5062] close(3 <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5095] <... write resumed>) = 1
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5062] <... close resumed>) = 0
./strace-static-x86_64: Process 5098 attached
[pid 5095] exit_group(0 <unfinished ...>
[pid 5066] close(3 <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5098
[pid 5066] <... close resumed>) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
./strace-static-x86_64: Process 5100 attached
<unfinished ...>
[pid 5099] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5098] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5095] <... exit_group resumed>) = ?
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5099
[pid 5100] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5099] <... set_robust_list resumed>) = 0
[pid 5098] <... set_robust_list resumed>) = 0
[pid 5095] +++ exited with 0 +++
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5100
[pid 5067] <... openat resumed>) = 3
[pid 5100] <... set_robust_list resumed>) = 0
[pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5099] <... prctl resumed>) = 0
[pid 5098] <... prctl resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5100] <... prctl resumed>) = 0
[pid 5099] setpgid(0, 0 <unfinished ...>
[pid 5100] setpgid(0, 0 <unfinished ...>
[pid 5099] <... setpgid resumed>) = 0
[pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5100] <... setpgid resumed>) = 0
[pid 5099] <... openat resumed>) = 3
[pid 5098] setpgid(0, 0 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5098] <... setpgid resumed>) = 0
[pid 5067] close(3) = 0
[pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5099] write(3, "1000", 4 <unfinished ...>
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5100] <... openat resumed>) = 3
[pid 5099] <... write resumed>) = 4
[pid 5099] close(3) = 0
[pid 5099] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5099] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5098] <... openat resumed>) = 3
[pid 5099] <... openat resumed>) = 4
[pid 5098] write(3, "1000", 4 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5099] sendfile(4, 3, [118] <unfinished ...>
[pid 5098] <... write resumed>) = 4
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5101
[pid 5100] write(3, "1000", 4 <unfinished ...>
[pid 5098] close(3 <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5100] <... write resumed>) = 4
[pid 5098] <... close resumed>) = 0
[pid 5061] close(3./strace-static-x86_64: Process 5101 attached
<unfinished ...>
[pid 5100] close(3 <unfinished ...>
[pid 5101] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5098] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5101] <... set_robust_list resumed>) = 0
[pid 5100] <... close resumed>) = 0
[pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5100] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5098] <... openat resumed>) = 3
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5101] <... prctl resumed>) = 0
[pid 5100] <... openat resumed>) = 3
[pid 5098] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5101] setpgid(0, 0 <unfinished ...>
[pid 5098] <... openat resumed>) = 4
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5102
./strace-static-x86_64: Process 5102 attached
[pid 5101] <... setpgid resumed>) = 0
[pid 5098] sendfile(4, 3, [118] <unfinished ...>
[pid 5102] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5100] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5102] <... set_robust_list resumed>) = 0
[pid 5101] <... openat resumed>) = 3
[pid 5100] <... openat resumed>) = 4
[pid 5100] sendfile(4, 3, [118] <unfinished ...>
[pid 5101] write(3, "1000", 4 <unfinished ...>
[pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5101] <... write resumed>) = 4
[pid 5102] <... prctl resumed>) = 0
[pid 5101] close(3 <unfinished ...>
[pid 5102] setpgid(0, 0 <unfinished ...>
[pid 5101] <... close resumed>) = 0
[pid 5101] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5102] <... setpgid resumed>) = 0
[pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5102] write(3, "1000", 4) = 4
[pid 5102] close(3) = 0
[pid 5102] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5102] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5101] <... openat resumed>) = 3
[pid 5102] sendfile(4, 3, [118] <unfinished ...>
[pid 5101] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 58.962163][ T5097] syz-executor299 (5097): drop_caches: 1
[pid 5101] sendfile(4, 3, [118] <unfinished ...>
[pid 5097] <... sendfile resumed> => [671], 553) = 553
[ 59.133152][ T5099] syz-executor299 (5099): drop_caches: 1
[ 59.137626][ T5098] syz-executor299 (5098): drop_caches: 1
[ 59.141613][ T5097] syz-executor299 (5097): drop_caches: 1
[ 59.160676][ T5100] syz-executor299 (5100): drop_caches: 1
[ 59.162298][ T5102] syz-executor299 (5102): drop_caches: 1
[ 59.174242][ T5101] syz-executor299 (5101): drop_caches: 1
[pid 5097] memfd_create("syzkaller", 0) = 5
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5097] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... sendfile resumed> => [671], 553) = 553
[pid 5100] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5097] <... write resumed>) = 2097152
[pid 5102] <... sendfile resumed> => [671], 553) = 553
[pid 5100] <... memfd_create resumed>) = 5
[pid 5099] <... sendfile resumed> => [671], 553) = 553
[pid 5097] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5102] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5102] <... memfd_create resumed>) = 5
[pid 5098] <... sendfile resumed> => [671], 553) = 553
[pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5101] <... sendfile resumed> => [671], 553) = 553
[pid 5099] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5097] <... munmap resumed>) = 0
[pid 5102] <... mmap resumed>) = 0x7f6e422e4000
[pid 5100] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5099] <... memfd_create resumed>) = 5
[pid 5098] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5097] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5101] <... memfd_create resumed>) = 5
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5098] <... memfd_create resumed>) = 5
[pid 5097] <... openat resumed>) = 6
[pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5099] <... mmap resumed>) = 0x7f6e422e4000
[ 59.355735][ T5100] syz-executor299 (5100): drop_caches: 1
[ 59.356896][ T5102] syz-executor299 (5102): drop_caches: 1
[ 59.370238][ T5099] syz-executor299 (5099): drop_caches: 1
[ 59.393142][ T5101] syz-executor299 (5101): drop_caches: 1
[ 59.398562][ T5098] syz-executor299 (5098): drop_caches: 1
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5097] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5101] <... mmap resumed>) = 0x7f6e422e4000
[pid 5098] <... mmap resumed>) = 0x7f6e422e4000
[pid 5097] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5102] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5097] ioctl(6, LOOP_CLR_FD) = 0
[pid 5100] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5097] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5097] close(6 <unfinished ...>
[pid 5100] <... munmap resumed>) = 0
[pid 5097] <... close resumed>) = 0
[pid 5097] close(5 <unfinished ...>
[pid 5100] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5099] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 6
[pid 5100] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5100] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5102] <... write resumed>) = 2097152
[pid 5100] <... ioctl resumed>) = 0
[pid 5102] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5098] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5100] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5100] close(6) = 0
[pid 5097] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5100] close(5 <unfinished ...>
[pid 5101] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 5
[pid 5097] write(5, "t", 1 <unfinished ...>
[pid 5100] <... close resumed>) = 0
[pid 5097] <... write resumed>) = 1
[pid 5097] exit_group(0) = ?
[pid 5097] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5102] <... openat resumed>) = 6
[pid 5102] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] <... ioctl resumed>) = 0
[pid 5102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5102] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5102] <... ioctl resumed>) = 0
[pid 5063] <... close resumed>) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
<unfinished ...>
[pid 5103] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5102] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5103] <... set_robust_list resumed>) = 0
[pid 5102] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5102] close(6 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5103
[pid 5103] <... prctl resumed>) = 0
[pid 5102] <... close resumed>) = 0
[pid 5103] setpgid(0, 0 <unfinished ...>
[pid 5102] close(5 <unfinished ...>
[pid 5100] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5099] <... write resumed>) = 2097152
[pid 5103] <... setpgid resumed>) = 0
[pid 5100] <... openat resumed>) = 5
[pid 5099] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5100] write(5, "t", 1 <unfinished ...>
[pid 5103] <... openat resumed>) = 3
[pid 5103] write(3, "1000", 4) = 4
[pid 5101] <... write resumed>) = 2097152
[pid 5099] <... munmap resumed>) = 0
[pid 5098] <... write resumed>) = 2097152
[pid 5103] close(3 <unfinished ...>
[pid 5101] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5099] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5098] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5103] <... close resumed>) = 0
[pid 5099] <... openat resumed>) = 6
[pid 5103] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5099] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5103] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5100] <... write resumed>) = 1
[pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5103] sendfile(4, 3, [118] <unfinished ...>
[pid 5100] exit_group(0 <unfinished ...>
[pid 5099] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5101] <... munmap resumed>) = 0
[pid 5100] <... exit_group resumed>) = ?
[pid 5099] <... ioctl resumed>) = 0
[pid 5098] <... munmap resumed>) = 0
[pid 5099] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5098] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5102] <... close resumed>) = 0
[pid 5101] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5100] +++ exited with 0 +++
[pid 5099] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5098] <... openat resumed>) = 6
[pid 5102] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5101] <... openat resumed>) = 6
[pid 5099] close(6 <unfinished ...>
[pid 5098] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5102] <... openat resumed>) = 5
[pid 5101] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5099] <... close resumed>) = 0
[pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5102] write(5, "t", 1 <unfinished ...>
[pid 5101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5099] close(5 <unfinished ...>
[pid 5098] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5101] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5098] <... ioctl resumed>) = 0
[pid 5101] <... ioctl resumed>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5098] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5101] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5098] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5066] close(3 <unfinished ...>
[pid 5101] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5098] close(6 <unfinished ...>
[pid 5101] close(6 <unfinished ...>
[pid 5066] <... close resumed>) = 0
[pid 5101] <... close resumed>) = 0
[pid 5098] <... close resumed>) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5101] close(5 <unfinished ...>
[pid 5098] close(5./strace-static-x86_64: Process 5104 attached
<unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5104
[pid 5104] set_robust_list(0x55555565f660, 24) = 0
[pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5104] setpgid(0, 0) = 0
[pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5102] <... write resumed>) = 1
[pid 5101] <... close resumed>) = 0
[pid 5098] <... close resumed>) = 0
[pid 5102] exit_group(0) = ?
[pid 5098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5104] write(3, "1000", 4 <unfinished ...>
[pid 5102] +++ exited with 0 +++
[pid 5101] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5098] <... openat resumed>) = 5
[pid 5104] <... write resumed>) = 4
[pid 5098] write(5, "t", 1 <unfinished ...>
[pid 5104] close(3 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5104] <... close resumed>) = 0
[pid 5101] <... openat resumed>) = 5
[pid 5104] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5101] write(5, "t", 1 <unfinished ...>
[pid 5104] <... openat resumed>) = 3
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5104] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5104] <... openat resumed>) = 4
[pid 5104] sendfile(4, 3, [118] <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5099] <... close resumed>) = 0
[pid 5098] <... write resumed>) = 1
[pid 5061] close(3 <unfinished ...>
[pid 5098] exit_group(0 <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5098] <... exit_group resumed>) = ?
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
<unfinished ...>
[pid 5099] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5098] +++ exited with 0 +++
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5105
[pid 5105] set_robust_list(0x55555565f660, 24) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5099] <... openat resumed>) = 5
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5099] write(5, "t", 1 <unfinished ...>
[pid 5105] <... prctl resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5105] setpgid(0, 0 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5101] <... write resumed>) = 1
[pid 5101] exit_group(0 <unfinished ...>
[pid 5099] <... write resumed>) = 1
[pid 5105] <... setpgid resumed>) = 0
[pid 5101] <... exit_group resumed>) = ?
[pid 5099] exit_group(0 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5106
[pid 5099] <... exit_group resumed>) = ?
[pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5101] +++ exited with 0 +++
[pid 5099] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5062] --- 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 5105] <... openat resumed>) = 3
./strace-static-x86_64: Process 5106 attached
[pid 5105] write(3, "1000", 4 <unfinished ...>
[pid 5106] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5105] <... write resumed>) = 4
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5106] <... set_robust_list resumed>) = 0
[pid 5105] close(3 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5105] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5105] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5106] setpgid(0, 0 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5106] <... setpgid resumed>) = 0
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5107
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached
<unfinished ...>
[pid 5105] <... openat resumed>) = 3
[pid 5107] set_robust_list(0x55555565f660, 24) = 0
[pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5108 attached
) = 0
[pid 5107] setpgid(0, 0 <unfinished ...>
[pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5107] <... setpgid resumed>) = 0
[pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5108] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5107] <... openat resumed>) = 3
[pid 5108] <... set_robust_list resumed>) = 0
[pid 5106] <... openat resumed>) = 3
[pid 5105] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5108
[pid 5107] write(3, "1000", 4 <unfinished ...>
[pid 5105] <... openat resumed>) = 4
[ 59.712066][ T5103] syz-executor299 (5103): drop_caches: 1
[pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5107] <... write resumed>) = 4
[pid 5106] write(3, "1000", 4 <unfinished ...>
[pid 5105] sendfile(4, 3, [118] <unfinished ...>
[pid 5108] setpgid(0, 0) = 0
[pid 5107] close(3 <unfinished ...>
[pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5107] <... close resumed>) = 0
[pid 5107] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5108] <... openat resumed>) = 3
[pid 5107] <... openat resumed>) = 3
[pid 5106] <... write resumed>) = 4
[pid 5107] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5106] close(3 <unfinished ...>
[pid 5108] write(3, "1000", 4 <unfinished ...>
[pid 5106] <... close resumed>) = 0
[pid 5108] <... write resumed>) = 4
[pid 5108] close(3 <unfinished ...>
[pid 5107] <... openat resumed>) = 4
[pid 5108] <... close resumed>) = 0
[pid 5107] sendfile(4, 3, [118] <unfinished ...>
[pid 5106] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5108] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5108] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5106] <... openat resumed>) = 3
[pid 5108] <... openat resumed>) = 4
[pid 5106] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5108] sendfile(4, 3, [118] <unfinished ...>
[ 59.842771][ T5104] syz-executor299 (5104): drop_caches: 1
[pid 5106] sendfile(4, 3, [118] <unfinished ...>
[pid 5103] <... sendfile resumed> => [671], 553) = 553
[pid 5103] memfd_create("syzkaller", 0) = 5
[pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 59.890440][ T5103] syz-executor299 (5103): drop_caches: 1
[ 59.921002][ T5107] syz-executor299 (5107): drop_caches: 1
[ 59.926932][ T5106] syz-executor299 (5106): drop_caches: 1
[ 59.932189][ T5105] syz-executor299 (5105): drop_caches: 1
[ 59.973562][ T5108] syz-executor299 (5108): drop_caches: 1
[ 60.025926][ T5104] syz-executor299 (5104): drop_caches: 1
[pid 5103] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... sendfile resumed> => [671], 553) = 553
[pid 5103] <... write resumed>) = 2097152
[pid 5104] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5103] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5104] <... memfd_create resumed>) = 5
[pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5103] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5108] <... sendfile resumed> => [671], 553) = 553
[pid 5105] <... sendfile resumed> => [671], 553) = 553
[pid 5104] <... mmap resumed>) = 0x7f6e422e4000
[pid 5105] memfd_create("syzkaller", 0) = 5
[pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5103] <... openat resumed>) = 6
[ 60.074618][ T5105] syz-executor299 (5105): drop_caches: 1
[ 60.098449][ T5107] syz-executor299 (5107): drop_caches: 1
[ 60.106287][ T5108] syz-executor299 (5108): drop_caches: 1
[pid 5103] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] <... mmap resumed>) = 0x7f6e422e4000
[pid 5108] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5107] <... sendfile resumed> => [671], 553) = 553
[pid 5106] <... sendfile resumed> => [671], 553) = 553
[pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5103] ioctl(6, LOOP_CLR_FD) = 0
[pid 5108] <... memfd_create resumed>) = 5
[pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5106] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5107] memfd_create("syzkaller", 0) = 5
[pid 5103] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5106] <... memfd_create resumed>) = 5
[pid 5103] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5107] <... mmap resumed>) = 0x7f6e422e4000
[pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5104] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] close(6 <unfinished ...>
[pid 5106] <... mmap resumed>) = 0x7f6e422e4000
[pid 5105] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[ 60.126025][ T5106] syz-executor299 (5106): drop_caches: 1
[pid 5108] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] close(5 <unfinished ...>
[pid 5104] <... write resumed>) = 2097152
[pid 5103] <... close resumed>) = 0
[pid 5104] munmap(0x7f6e422e4000, 138412032 <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 5104] <... munmap resumed>) = 0
[pid 5104] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5108] <... write resumed>) = 2097152
[pid 5107] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 6
[pid 5103] <... write resumed>) = 1
[pid 5103] exit_group(0 <unfinished ...>
[pid 5108] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5104] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5103] <... exit_group resumed>) = ?
[pid 5104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5108] <... munmap resumed>) = 0
[pid 5104] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5103] +++ exited with 0 +++
[pid 5105] <... write resumed>) = 2097152
[pid 5104] <... ioctl resumed>) = 0
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5105] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5104] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5104] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5104] close(6 <unfinished ...>
[pid 5108] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5104] <... close resumed>) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5109
[pid 5108] <... openat resumed>) = 6
[pid 5105] <... munmap resumed>) = 0
[pid 5104] close(5./strace-static-x86_64: Process 5109 attached
<unfinished ...>
[pid 5109] set_robust_list(0x55555565f660, 24) = 0
[pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5109] setpgid(0, 0) = 0
[pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5109] write(3, "1000", 4) = 4
[pid 5109] close(3) = 0
[pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5109] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5105] <... openat resumed>) = 6
[pid 5109] <... openat resumed>) = 3
[pid 5105] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5109] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5105] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5109] <... openat resumed>) = 4
[pid 5109] sendfile(4, 3, [118] <unfinished ...>
[pid 5108] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] ioctl(6, LOOP_CLR_FD) = 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 resumed>) = -1 EBUSY (Device or resource busy)
[pid 5108] ioctl(6, LOOP_CLR_FD) = 0
[pid 5104] <... close resumed>) = 0
[pid 5108] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5108] close(6) = 0
[pid 5107] <... write resumed>) = 2097152
[pid 5106] <... write resumed>) = 2097152
[pid 5104] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5108] close(5) = 0
[pid 5108] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5106] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5104] <... openat resumed>) = 5
[pid 5108] write(5, "t", 1 <unfinished ...>
[pid 5104] write(5, "t", 1 <unfinished ...>
[pid 5107] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5106] <... munmap resumed>) = 0
[pid 5108] <... write resumed>) = 1
[pid 5104] <... write resumed>) = 1
[pid 5108] exit_group(0 <unfinished ...>
[pid 5107] <... munmap resumed>) = 0
[pid 5105] <... close resumed>) = 0
[pid 5106] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5104] exit_group(0 <unfinished ...>
[pid 5105] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5108] <... exit_group resumed>) = ?
[pid 5106] <... openat resumed>) = 6
[pid 5105] <... openat resumed>) = 5
[pid 5104] <... exit_group resumed>) = ?
[pid 5106] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5105] write(5, "t", 1 <unfinished ...>
[pid 5104] +++ exited with 0 +++
[pid 5106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5066] --- 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 5106] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5107] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5106] <... ioctl resumed>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5107] <... openat resumed>) = 6
[pid 5107] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5066] <... openat resumed>) = 3
[pid 5107] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5106] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5107] <... ioctl resumed>) = 0
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5106] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5105] <... write resumed>) = 1
[pid 5105] exit_group(0 <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5106] close(6 <unfinished ...>
[pid 5108] +++ exited with 0 +++
[pid 5105] <... exit_group resumed>) = ?
[pid 5066] close(3 <unfinished ...>
[pid 5106] <... close resumed>) = 0
[pid 5105] +++ exited with 0 +++
[pid 5066] <... close resumed>) = 0
[pid 5066] 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=5105, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5107] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5062] <... restart_syscall resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5107] close(6) = 0
[pid 5061] <... openat resumed>) = 3
[pid 5107] close(5 <unfinished ...>
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5106] close(5 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5061] <... ioctl resumed>) = 0
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5061] <... close resumed>) = 0
[pid 5062] close(3) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
<unfinished ...>
[pid 5110] set_robust_list(0x55555565f660, 24) = 0
[pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
./strace-static-x86_64: Process 5112 attached
[pid 5110] setpgid(0, 0 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5110
./strace-static-x86_64: Process 5111 attached
[pid 5111] set_robust_list(0x55555565f660, 24) = 0
[pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5111] setpgid(0, 0) = 0
[pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5111] write(3, "1000", 4) = 4
[pid 5111] close(3) = 0
[pid 5111] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5110] <... setpgid resumed>) = 0
[pid 5111] <... openat resumed>) = 3
[pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5111] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5110] <... openat resumed>) = 3
[pid 5112] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5111] <... openat resumed>) = 4
[pid 5107] <... close resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5111
[pid 5112] <... set_robust_list resumed>) = 0
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5112
[pid 5111] sendfile(4, 3, [118] <unfinished ...>
[pid 5110] write(3, "1000", 4 <unfinished ...>
[pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5110] <... write resumed>) = 4
[pid 5106] <... close resumed>) = 0
[pid 5112] setpgid(0, 0 <unfinished ...>
[pid 5106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5112] <... setpgid resumed>) = 0
[pid 5110] close(3 <unfinished ...>
[pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5110] <... close resumed>) = 0
[pid 5107] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5112] <... openat resumed>) = 3
[pid 5110] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5107] <... openat resumed>) = 5
[pid 5106] <... openat resumed>) = 5
[pid 5112] write(3, "1000", 4) = 4
[pid 5112] close(3 <unfinished ...>
[pid 5107] write(5, "t", 1 <unfinished ...>
[pid 5112] <... close resumed>) = 0
[pid 5110] <... openat resumed>) = 3
[pid 5112] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5106] write(5, "t", 1 <unfinished ...>
[pid 5110] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5107] <... write resumed>) = 1
[pid 5110] <... openat resumed>) = 4
[pid 5107] exit_group(0 <unfinished ...>
[pid 5106] <... write resumed>) = 1
[pid 5110] sendfile(4, 3, [118] <unfinished ...>
[pid 5107] <... exit_group resumed>) = ?
[pid 5107] +++ exited with 0 +++
[pid 5106] exit_group(0 <unfinished ...>
[pid 5112] <... openat resumed>) = 3
[pid 5106] <... exit_group resumed>) = ?
[pid 5112] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5106] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5112] <... openat resumed>) = 4
[pid 5112] sendfile(4, 3, [118] <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5070] <... ioctl resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5067] <... close resumed>) = 0
./strace-static-x86_64: Process 5113 attached
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5113
[pid 5113] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5114
[pid 5113] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5114 attached
[pid 5114] set_robust_list(0x55555565f660, 24) = 0
[pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5114] <... prctl resumed>) = 0
[pid 5114] setpgid(0, 0) = 0
[pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5113] <... prctl resumed>) = 0
[pid 5114] <... openat resumed>) = 3
[pid 5114] write(3, "1000", 4 <unfinished ...>
[pid 5113] setpgid(0, 0 <unfinished ...>
[pid 5114] <... write resumed>) = 4
[pid 5114] close(3 <unfinished ...>
[pid 5113] <... setpgid resumed>) = 0
[pid 5114] <... close resumed>) = 0
[pid 5114] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5114] <... openat resumed>) = 3
[pid 5114] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5114] sendfile(4, 3, [118] <unfinished ...>
[pid 5113] <... openat resumed>) = 3
[pid 5113] write(3, "1000", 4) = 4
[pid 5113] close(3) = 0
[pid 5113] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5113] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 60.525355][ T5111] syz-executor299 (5111): drop_caches: 1
[ 60.532905][ T5109] syz-executor299 (5109): drop_caches: 1
[ 60.567814][ T5110] syz-executor299 (5110): drop_caches: 1
[ 60.594762][ T5112] syz-executor299 (5112): drop_caches: 1
[ 60.641630][ T5114] syz-executor299 (5114): drop_caches: 1
[pid 5113] sendfile(4, 3, [118] <unfinished ...>
[pid 5109] <... sendfile resumed> => [671], 553) = 553
[pid 5109] memfd_create("syzkaller", 0) = 5
[pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 60.695636][ T5109] syz-executor299 (5109): drop_caches: 1
[ 60.726649][ T5111] syz-executor299 (5111): drop_caches: 1
[ 60.739306][ T5113] syz-executor299 (5113): drop_caches: 1
[pid 5111] <... sendfile resumed> => [671], 553) = 553
[pid 5111] memfd_create("syzkaller", 0) = 5
[pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 60.768124][ T5112] syz-executor299 (5112): drop_caches: 1
[ 60.785482][ T5110] syz-executor299 (5110): drop_caches: 1
[pid 5109] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5112] <... sendfile resumed> => [671], 553) = 553
[pid 5110] <... sendfile resumed> => [671], 553) = 553
[pid 5112] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5110] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5112] <... memfd_create resumed>) = 5
[pid 5110] <... memfd_create resumed>) = 5
[pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5114] <... sendfile resumed> => [671], 553) = 553
[ 60.824001][ T5114] syz-executor299 (5114): drop_caches: 1
[pid 5109] <... write resumed>) = 2097152
[pid 5111] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] memfd_create("syzkaller", 0) = 5
[pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5109] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5110] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5112] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... munmap resumed>) = 0
[pid 5114] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5109] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5113] <... sendfile resumed> => [671], 553) = 553
[pid 5111] <... write resumed>) = 2097152
[pid 5110] <... write resumed>) = 2097152
[pid 5109] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5109] ioctl(6, LOOP_CLR_FD) = 0
[pid 5109] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5109] close(6 <unfinished ...>
[pid 5111] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5113] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5109] <... close resumed>) = 0
[pid 5113] <... memfd_create resumed>) = 5
[pid 5109] close(5 <unfinished ...>
[pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5111] <... munmap resumed>) = 0
[pid 5113] <... mmap resumed>) = 0x7f6e422e4000
[pid 5110] munmap(0x7f6e422e4000, 138412032) = 0
[ 60.917621][ T5113] syz-executor299 (5113): drop_caches: 1
[pid 5114] <... write resumed>) = 2097152
[pid 5111] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5114] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5111] <... openat resumed>) = 6
[pid 5112] <... write resumed>) = 2097152
[pid 5110] <... openat resumed>) = 6
[pid 5110] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5110] ioctl(6, LOOP_CLR_FD) = 0
[pid 5112] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5114] <... munmap resumed>) = 0
[pid 5110] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5111] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5110] close(6 <unfinished ...>
[pid 5114] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5113] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5111] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5110] <... close resumed>) = 0
[pid 5114] <... openat resumed>) = 6
[pid 5111] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5110] close(5 <unfinished ...>
[pid 5114] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5111] <... ioctl resumed>) = 0
[pid 5109] <... close resumed>) = 0
[pid 5112] <... munmap resumed>) = 0
[pid 5112] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5114] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5109] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5114] ioctl(6, LOOP_CLR_FD) = 0
[pid 5109] <... openat resumed>) = 5
[pid 5112] <... openat resumed>) = 6
[pid 5111] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5109] write(5, "t", 1 <unfinished ...>
[pid 5112] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5112] ioctl(6, LOOP_CLR_FD) = 0
[pid 5112] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5110] <... close resumed>) = 0
[pid 5112] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5112] close(6) = 0
[pid 5112] close(5 <unfinished ...>
[pid 5110] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5111] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5114] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5111] close(6 <unfinished ...>
[pid 5114] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5111] <... close resumed>) = 0
[pid 5114] close(6 <unfinished ...>
[pid 5111] close(5 <unfinished ...>
[pid 5114] <... close resumed>) = 0
[pid 5114] close(5 <unfinished ...>
[pid 5110] <... openat resumed>) = 5
[pid 5110] write(5, "t", 1 <unfinished ...>
[pid 5109] <... write resumed>) = 1
[pid 5109] exit_group(0 <unfinished ...>
[pid 5110] <... write resumed>) = 1
[pid 5110] exit_group(0 <unfinished ...>
[pid 5109] <... exit_group resumed>) = ?
[pid 5110] <... exit_group resumed>) = ?
[pid 5110] +++ exited with 0 +++
[pid 5109] +++ exited with 0 +++
[pid 5063] --- 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 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5113] <... write resumed>) = 2097152
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5114] <... close resumed>) = 0
[pid 5112] <... close resumed>) = 0
[pid 5063] <... openat resumed>) = 3
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5112] <... openat resumed>) = 5
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5112] write(5, "t", 1 <unfinished ...>
[pid 5063] <... ioctl resumed>) = 0
[pid 5114] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5114] <... openat resumed>) = 5
[pid 5113] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5114] write(5, "t", 1 <unfinished ...>
[pid 5112] <... write resumed>) = 1
[pid 5061] close(3 <unfinished ...>
[pid 5112] exit_group(0 <unfinished ...>
[pid 5063] <... close resumed>) = 0
[pid 5112] <... exit_group resumed>) = ?
[pid 5061] <... close resumed>) = 0
[pid 5114] <... write resumed>) = 1
[pid 5113] <... munmap resumed>) = 0
[pid 5112] +++ exited with 0 +++
[pid 5111] <... close resumed>) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached
<unfinished ...>
[pid 5114] exit_group(0./strace-static-x86_64: Process 5116 attached
<unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} ---
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5115
[pid 5116] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5115] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5116] <... set_robust_list resumed>) = 0
[pid 5115] <... set_robust_list resumed>) = 0
[pid 5114] <... exit_group resumed>) = ?
[pid 5111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5066] <... openat resumed>) = 3
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5116
[pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3 <unfinished ...>
[pid 5111] <... openat resumed>) = 5
[pid 5066] <... close resumed>) = 0
[pid 5113] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5111] write(5, "t", 1 <unfinished ...>
[pid 5113] <... openat resumed>) = 6
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5114] +++ exited with 0 +++
[pid 5113] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5113] ioctl(6, LOOP_CLR_FD) = 0
./strace-static-x86_64: Process 5117 attached
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5117] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5117
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5116] <... prctl resumed>) = 0
[pid 5115] <... prctl resumed>) = 0
[pid 5111] <... write resumed>) = 1
[pid 5067] <... openat resumed>) = 3
[pid 5117] <... set_robust_list resumed>) = 0
[pid 5116] setpgid(0, 0 <unfinished ...>
[pid 5113] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5111] exit_group(0 <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5115] setpgid(0, 0 <unfinished ...>
[pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5116] <... setpgid resumed>) = 0
[pid 5113] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5111] <... exit_group resumed>) = ?
[pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5115] <... setpgid resumed>) = 0
[pid 5067] <... ioctl resumed>) = 0
[pid 5116] <... openat resumed>) = 3
[pid 5116] write(3, "1000", 4 <unfinished ...>
[pid 5067] close(3 <unfinished ...>
[pid 5116] <... write resumed>) = 4
[pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5116] close(3 <unfinished ...>
[pid 5115] <... openat resumed>) = 3
[pid 5116] <... close resumed>) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5117] <... prctl resumed>) = 0
[pid 5116] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5113] close(6./strace-static-x86_64: Process 5118 attached
<unfinished ...>
[pid 5117] setpgid(0, 0 <unfinished ...>
[pid 5116] <... openat resumed>) = 3
[pid 5113] <... close resumed>) = 0
[pid 5115] write(3, "1000", 4 <unfinished ...>
[pid 5118] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5117] <... setpgid resumed>) = 0
[pid 5116] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5115] <... write resumed>) = 4
[pid 5113] close(5 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5118
[pid 5118] <... set_robust_list resumed>) = 0
[pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5116] <... openat resumed>) = 4
[pid 5115] close(3 <unfinished ...>
[pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5117] <... openat resumed>) = 3
[pid 5116] sendfile(4, 3, [118] <unfinished ...>
[pid 5115] <... close resumed>) = 0
[pid 5111] +++ exited with 0 +++
[pid 5118] <... prctl resumed>) = 0
[pid 5062] --- 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=16 /* 0.16 s */} ---
[pid 5118] setpgid(0, 0 <unfinished ...>
[pid 5115] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5118] <... setpgid resumed>) = 0
[pid 5115] <... openat resumed>) = 3
[pid 5062] <... restart_syscall resumed>) = 0
[pid 5117] write(3, "1000", 4 <unfinished ...>
[pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5117] <... write resumed>) = 4
[pid 5117] close(3 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5117] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5117] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5118] <... openat resumed>) = 3
[pid 5117] <... openat resumed>) = 3
[pid 5115] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5118] write(3, "1000", 4 <unfinished ...>
[pid 5117] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5113] <... close resumed>) = 0
[pid 5062] <... ioctl resumed>) = 0
[pid 5118] <... write resumed>) = 4
[pid 5115] <... openat resumed>) = 4
[pid 5118] close(3 <unfinished ...>
[pid 5117] <... openat resumed>) = 4
[pid 5115] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5118] <... close resumed>) = 0
[pid 5062] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5118] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5117] sendfile(4, 3, [118]./strace-static-x86_64: Process 5119 attached
<unfinished ...>
[pid 5118] <... openat resumed>) = 3
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5119
[pid 5113] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5113] write(5, "t", 1 <unfinished ...>
[pid 5118] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5119] set_robust_list(0x55555565f660, 24) = 0
[pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5113] <... write resumed>) = 1
[pid 5113] exit_group(0) = ?
[pid 5118] <... openat resumed>) = 4
[pid 5113] +++ exited with 0 +++
[pid 5119] setpgid(0, 0 <unfinished ...>
[pid 5118] sendfile(4, 3, [118] <unfinished ...>
[pid 5119] <... setpgid resumed>) = 0
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5119] <... openat resumed>) = 3
[pid 5070] close(3 <unfinished ...>
[pid 5119] write(3, "1000", 4 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5119] <... write resumed>) = 4
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5119] close(3./strace-static-x86_64: Process 5120 attached
) = 0
[pid 5120] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5119] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5120
[pid 5120] <... set_robust_list resumed>) = 0
[pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5119] <... openat resumed>) = 3
[pid 5120] setpgid(0, 0 <unfinished ...>
[pid 5119] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5120] <... setpgid resumed>) = 0
[pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5119] <... openat resumed>) = 4
[pid 5120] write(3, "1000", 4 <unfinished ...>
[ 61.243415][ T5115] syz-executor299 (5115): drop_caches: 1
[pid 5119] sendfile(4, 3, [118] <unfinished ...>
[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
[ 61.302094][ T5116] syz-executor299 (5116): drop_caches: 1
[ 61.302220][ T5118] syz-executor299 (5118): drop_caches: 1
[ 61.333911][ T5117] syz-executor299 (5117): drop_caches: 1
[pid 5120] sendfile(4, 3, [118] <unfinished ...>
[pid 5115] <... sendfile resumed> => [671], 553) = 553
[pid 5115] memfd_create("syzkaller", 0) = 5
[ 61.381746][ T5115] syz-executor299 (5115): drop_caches: 1
[pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 61.463924][ T5119] syz-executor299 (5119): drop_caches: 1
[ 61.489760][ T1091]
[ 61.492104][ T1091] ======================================================
[ 61.492736][ T5118] syz-executor299 (5118): drop_caches: 1
[ 61.499096][ T1091] WARNING: possible circular locking dependency detected
[ 61.499101][ T1091] 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 Not tainted
[ 61.499111][ T1091] ------------------------------------------------------
[ 61.499116][ T1091] kworker/u4:6/1091 is trying to acquire lock:
[ 61.507016][ T5120] syz-executor299 (5120): drop_caches: 1
[ 61.511711][ T1091] ffff88806b308940 (&rl->lock){++++}-{3:3}, at: ntfs_read_folio+0x1a96/0x2420
[ 61.532884][ T5119] syz-executor299 (5119): drop_caches: 1
[ 61.537104][ T1091]
[ 61.537104][ T1091] but task is already holding lock:
[ 61.537108][ T1091] ffff88806b30b310
[pid 5119] <... sendfile resumed> => [671], 553) = 553
[pid 5118] <... sendfile resumed> => [671], 553) = 553
[pid 5117] <... sendfile resumed> => [671], 553) = 553
[pid 5116] <... sendfile resumed> => [671], 553) = 553
[pid 5115] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5117] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5116] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5115] <... write resumed>) = 2097152
[pid 5118] <... memfd_create resumed>) = 5
[pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5119] <... memfd_create resumed>) = 5
[pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5117] <... memfd_create resumed>) = 5
[pid 5116] <... memfd_create resumed>) = 5
[ 61.553338][ T5116] syz-executor299 (5116): drop_caches: 1
[ 61.558870][ T1091] (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730
[ 61.566569][ T5117] syz-executor299 (5117): drop_caches: 1
[ 61.568187][ T1091]
[ 61.568187][ T1091] which lock already depends on the new lock.
[ 61.568187][ T1091]
[ 61.568192][ T1091]
[ 61.568192][ T1091] the existing dependency chain (in reverse order) is:
[ 61.600796][ T1091]
[ 61.600796][ T1091] -> #1 (&ni->mrec_lock){+.+.}-{3:3}:
[ 61.608399][ T1091] __mutex_lock+0x181/0x1340
[ 61.613540][ T1091] map_mft_record+0x4a/0x730
[ 61.618661][ T1091] ntfs_attr_extend_allocation+0x268/0x3830
[ 61.625097][ T1091] ntfs_file_write_iter+0xaa0/0x2060
[ 61.630921][ T1091] vfs_write+0x64f/0xdf0
[ 61.635695][ T1091] ksys_write+0x12f/0x250
[ 61.640582][ T1091] do_syscall_64+0x3f/0x110
[ 61.645631][ T1091] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 61.652073][ T1091]
[ 61.652073][ T1091] -> #0 (&rl->lock){++++}-{3:3}:
[ 61.659314][ T1091] __lock_acquire+0x2e3d/0x5de0
[ 61.664703][ T1091] lock_acquire+0x1ae/0x510
[ 61.669740][ T1091] down_read+0x9c/0x470
[ 61.674449][ T1091] ntfs_read_folio+0x1a96/0x2420
[ 61.679917][ T1091] filemap_read_folio+0xe9/0x2c0
[ 61.685382][ T1091] do_read_cache_folio+0x205/0x540
[ 61.691022][ T1091] read_cache_page+0x5b/0x160
[ 61.696223][ T1091] ntfs_sync_mft_mirror+0x242/0x1eb0
[ 61.702031][ T1091] write_mft_record_nolock+0x1967/0x1d90
[ 61.708188][ T1091] write_mft_record+0x14b/0x380
[ 61.713566][ T1091] __ntfs_write_inode+0x91b/0xc30
[ 61.719114][ T1091] __writeback_single_inode+0xa81/0xe70
[ 61.725199][ T1091] writeback_sb_inodes+0x599/0x1070
[ 61.730941][ T1091] __writeback_inodes_wb+0xff/0x2d0
[ 61.736674][ T1091] wb_writeback+0x7f8/0xa90
[ 61.741720][ T1091] wb_workfn+0x874/0xfd0
[ 61.746528][ T1091] process_one_work+0x884/0x15c0
[ 61.752001][ T1091] worker_thread+0x8b9/0x1290
[ 61.757222][ T1091] kthread+0x33c/0x440
[ 61.761815][ T1091] ret_from_fork+0x45/0x80
[ 61.766750][ T1091] ret_from_fork_asm+0x11/0x20
[ 61.772068][ T1091]
[ 61.772068][ T1091] other info that might help us debug this:
[ 61.772068][ T1091]
[ 61.782286][ T1091] Possible unsafe locking scenario:
[ 61.782286][ T1091]
[ 61.789727][ T1091] CPU0 CPU1
[ 61.795094][ T1091] ---- ----
[ 61.800450][ T1091] lock(&ni->mrec_lock);
[ 61.804792][ T1091] lock(&rl->lock);
[ 61.811207][ T1091] lock(&ni->mrec_lock);
[ 61.818048][ T1091] rlock(&rl->lock);
[ 61.822027][ T1091]
[ 61.822027][ T1091] *** DEADLOCK ***
[ 61.822027][ T1091]
[ 61.830176][ T1091] 4 locks held by kworker/u4:6/1091:
[ 61.835473][ T1091] #0: ffff88801566b938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0
[ 61.846127][ T1091] #1: ffffc900045efd80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0
[ 61.857945][ T1091] #2: ffff8880193660e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_trylock_shared+0x1e/0xf0
[ 61.868476][ T1091] #3: ffff88806b30b310 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730
[ 61.877872][ T1091]
[ 61.877872][ T1091] stack backtrace:
[ 61.883739][ T1091] CPU: 0 PID: 1091 Comm: kworker/u4:6 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0
[ 61.893527][ T1091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 61.903567][ T1091] Workqueue: writeback wb_workfn (flush-7:2)
[ 61.909544][ T1091] Call Trace:
[ 61.912823][ T1091] <TASK>
[ 61.915757][ T1091] dump_stack_lvl+0xd9/0x1b0
[ 61.920337][ T1091] check_noncircular+0x311/0x3f0
[ 61.925269][ T1091] ? print_circular_bug+0x750/0x750
[ 61.930464][ T1091] __lock_acquire+0x2e3d/0x5de0
[ 61.935309][ T1091] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 61.941304][ T1091] lock_acquire+0x1ae/0x510
[ 61.945817][ T1091] ? ntfs_read_folio+0x1a96/0x2420
[ 61.950919][ T1091] ? lock_sync+0x190/0x190
[ 61.955331][ T1091] ? find_held_lock+0x2d/0x110
[ 61.960087][ T1091] ? preempt_count_sub+0x150/0x150
[ 61.965189][ T1091] down_read+0x9c/0x470
[ 61.969338][ T1091] ? ntfs_read_folio+0x1a96/0x2420
[ 61.974439][ T1091] ? down_write_killable+0x250/0x250
[ 61.979714][ T1091] ? mark_held_locks+0x9f/0xe0
[ 61.984467][ T1091] ? _raw_read_unlock_irqrestore+0x4e/0x70
[ 61.990268][ T1091] ntfs_read_folio+0x1a96/0x2420
[ 61.995195][ T1091] ? __print_lock_name+0x1b0/0x260
[ 62.000315][ T1091] ? ntfs_end_buffer_async_read+0x18d0/0x18d0
[ 62.006373][ T1091] ? folio_add_lru+0x451/0x7d0
[ 62.011128][ T1091] ? ntfs_end_buffer_async_read+0x18d0/0x18d0
[ 62.017182][ T1091] filemap_read_folio+0xe9/0x2c0
[ 62.022120][ T1091] ? __folio_lock_killable+0x20/0x20
[ 62.027412][ T1091] ? __filemap_get_folio+0x2b0/0xa90
[ 62.032690][ T1091] ? find_held_lock+0x2d/0x110
[ 62.037443][ T1091] do_read_cache_folio+0x205/0x540
[ 62.042547][ T1091] ? ntfs_end_buffer_async_read+0x18d0/0x18d0
[ 62.048605][ T1091] read_cache_page+0x5b/0x160
[ 62.053292][ T1091] ntfs_sync_mft_mirror+0x242/0x1eb0
[ 62.058568][ T1091] ? should_fail_request+0x80/0x80
[ 62.063672][ T1091] ? preempt_count_sub+0x150/0x150
[ 62.068768][ T1091] ? ntfs_mft_bitmap_extend_allocation_nolock+0x1f10/0x1f10
[ 62.076045][ T1091] write_mft_record_nolock+0x1967/0x1d90
[ 62.081673][ T1091] ? mark_held_locks+0x9f/0xe0
[ 62.086436][ T1091] ? ntfs_sync_mft_mirror+0x1eb0/0x1eb0
[ 62.091971][ T1091] ? preempt_count_sub+0x150/0x150
[ 62.097070][ T1091] write_mft_record+0x14b/0x380
[ 62.101913][ T1091] __ntfs_write_inode+0x91b/0xc30
[ 62.106948][ T1091] __writeback_single_inode+0xa81/0xe70
[ 62.112486][ T1091] ? __mark_inode_dirty+0xd50/0xd50
[ 62.117681][ T1091] ? _raw_spin_unlock+0x28/0x40
[ 62.122584][ T1091] ? wbc_attach_and_unlock_inode+0x561/0x910
[ 62.128573][ T1091] writeback_sb_inodes+0x599/0x1070
[ 62.133768][ T1091] ? sync_inode_metadata+0xe0/0xe0
[ 62.138872][ T1091] ? do_raw_spin_lock+0x12e/0x2b0
[ 62.143895][ T1091] ? move_expired_inodes+0x59e/0x850
[ 62.149174][ T1091] __writeback_inodes_wb+0xff/0x2d0
[ 62.154383][ T1091] ? writeback_sb_inodes+0x1070/0x1070
[ 62.159834][ T1091] ? queue_io+0x3ed/0x4e0
[ 62.164151][ T1091] wb_writeback+0x7f8/0xa90
[ 62.168648][ T1091] ? __writeback_inodes_wb+0x2d0/0x2d0
[ 62.174124][ T1091] ? get_nr_dirty_inodes+0x176/0x1e0
[ 62.179397][ T1091] wb_workfn+0x874/0xfd0
[ 62.183637][ T1091] ? trace_sched_wakeup+0xce/0x100
[ 62.188735][ T1091] ? inode_wait_for_writeback+0x30/0x30
[ 62.194273][ T1091] ? lock_sync+0x190/0x190
[ 62.198679][ T1091] ? lock_sync+0x190/0x190
[ 62.203091][ T1091] process_one_work+0x884/0x15c0
[ 62.208019][ T1091] ? lock_sync+0x190/0x190
[ 62.212431][ T1091] ? init_worker_pool+0x770/0x770
[ 62.217446][ T1091] ? assign_work+0x1a0/0x240
[ 62.222027][ T1091] worker_thread+0x8b9/0x1290
[ 62.226697][ T1091] ? __kthread_parkme+0x14b/0x220
[ 62.231708][ T1091] ? process_one_work+0x15c0/0x15c0
[ 62.236899][ T1091] kthread+0x33c/0x440
[ 62.240954][ T1091] ? _raw_spin_unlock_irq+0x23/0x50
[ 62.246146][ T1091] ? kthread_complete_and_exit+0x40/0x40
[ 62.251767][ T1091] ret_from_fork+0x45/0x80
[ 62.256172][ T1091] ? kthread_complete_and_exit+0x40/0x40
[ 62.261793][ T1091] ret_from_fork_asm+0x11/0x20
[pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5117] <... mmap resumed>) = 0x7f6e422e4000
[pid 5116] <... mmap resumed>) = 0x7f6e422e4000
[pid 5115] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5115] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5115] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5119] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5115] <... ioctl resumed>) = 0
[pid 5115] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5115] close(6) = 0
[pid 5115] close(5 <unfinished ...>
[pid 5118] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5116] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... write resumed>) = 2097152
[pid 5117] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5116] <... write resumed>) = 2097152
[pid 5115] <... close resumed>) = 0
[pid 5115] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5115] write(5, "t", 1 <unfinished ...>
[pid 5119] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5115] <... write resumed>) = 1
[pid 5115] exit_group(0) = ?
[pid 5115] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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, child_tidptr=0x55555565f650) = 5121
[pid 5119] <... munmap resumed>) = 0
[pid 5119] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5119] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5119] ioctl(6, LOOP_CLR_FD) = 0
[pid 5116] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5119] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5117] <... write resumed>) = 2097152
[pid 5116] <... munmap resumed>) = 0
[pid 5119] close(6) = 0
[pid 5119] close(5) = 0
[pid 5118] <... write resumed>) = 2097152
[pid 5116] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5118] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5116] <... openat resumed>) = 6
[pid 5116] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5116] ioctl(6, LOOP_CLR_FD) = 0
[pid 5118] <... munmap resumed>) = 0
[pid 5118] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5118] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5116] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5118] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5116] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5118] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5116] close(6 <unfinished ...>
[pid 5118] <... ioctl resumed>) = 0
[pid 5116] <... close resumed>) = 0
[pid 5116] close(5 <unfinished ...>
[pid 5118] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5118] close(6) = 0
[pid 5118] close(5) = 0
[pid 5117] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5117] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5116] <... close resumed>) = 0
[pid 5117] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5117] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5117] <... ioctl resumed>) = 0
[pid 5119] <... openat resumed>) = 5
[pid 5119] write(5, "t", 1 <unfinished ...>
[pid 5117] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5117] close(6) = 0
[pid 5117] close(5) = 0
[pid 5116] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5119] <... write resumed>) = 1
[pid 5116] <... openat resumed>) = 5
[pid 5119] exit_group(0 <unfinished ...>
[pid 5116] write(5, "t", 1 <unfinished ...>
[pid 5119] <... exit_group resumed>) = ?
[pid 5119] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5118] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5062] <... restart_syscall resumed>) = 0
[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] <... write resumed>) = 1
[pid 5118] write(5, "t", 1 <unfinished ...>
[pid 5117] <... openat resumed>) = 5
[pid 5116] exit_group(0 <unfinished ...>
[pid 5117] write(5, "t", 1 <unfinished ...>
[pid 5116] <... exit_group resumed>) = ?
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5116] +++ exited with 0 +++
[pid 5062] <... openat resumed>) = 3
[pid 5117] <... write resumed>) = 1
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5118] <... write resumed>) = 1
[pid 5117] exit_group(0 <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5062] <... ioctl resumed>) = 0
[pid 5118] exit_group(0 <unfinished ...>
[pid 5117] <... exit_group resumed>) = ?
[pid 5063] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5118] <... exit_group resumed>) = ?
[pid 5117] +++ exited with 0 +++
[pid 5063] <... restart_syscall resumed>) = 0
[pid 5062] <... close resumed>) = 0
[pid 5118] +++ exited with 0 +++
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
./strace-static-x86_64: Process 5122 attached
./strace-static-x86_64: Process 5121 attached
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5121] set_robust_list(0x55555565f660, 24) = 0
[pid 5066] <... openat resumed>) = 3
[pid 5063] <... openat resumed>) = 3
[pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5121] <... prctl resumed>) = 0
[pid 5121] setpgid(0, 0 <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5122
[pid 5063] <... ioctl resumed>) = 0
[pid 5063] close(3) = 0
[pid 5121] <... setpgid resumed>) = 0
[pid 5066] close(3 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5122] set_robust_list(0x55555565f660, 24) = 0
[pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5122] setpgid(0, 0) = 0
[pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5122] write(3, "1000", 4) = 4
[pid 5122] close(3) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 5123 attached
<unfinished ...>
[pid 5122] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5123] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5123] <... set_robust_list resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] <... close resumed>) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5123
[pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5122] <... openat resumed>) = 3
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5122] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5122] sendfile(4, 3, [118] <unfinished ...>
[pid 5123] <... prctl resumed>) = 0
[pid 5121] <... openat resumed>) = 3
[pid 5067] <... ioctl resumed>) = 0
[pid 5123] setpgid(0, 0 <unfinished ...>
[pid 5067] close(3 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5124
[pid 5123] <... setpgid resumed>) = 0
[pid 5121] write(3, "1000", 4 <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5121] <... write resumed>) = 4
[pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5121] close(3 <unfinished ...>
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5123] <... openat resumed>) = 3
[pid 5121] <... close resumed>) = 0
[ 62.266569][ T1091] </TASK>
./strace-static-x86_64: Process 5124 attached
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5125
[pid 5121] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5124] set_robust_list(0x55555565f660, 24) = 0
[pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5121] <... openat resumed>) = 3
[pid 5124] <... prctl resumed>) = 0
[pid 5124] setpgid(0, 0) = 0
[pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5121] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5121] sendfile(4, 3, [118]./strace-static-x86_64: Process 5125 attached
<unfinished ...>
[pid 5123] write(3, "1000", 4) = 4
[pid 5123] close(3) = 0
[pid 5123] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5125] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5123] <... openat resumed>) = 3
[pid 5125] <... set_robust_list resumed>) = 0
[pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5124] write(3, "1000", 4) = 4
[pid 5124] close(3 <unfinished ...>
[pid 5125] <... prctl resumed>) = 0
[pid 5124] <... close resumed>) = 0
[pid 5123] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5120] <... sendfile resumed> => [671], 553) = 553
[pid 5124] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5124] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5124] sendfile(4, 3, [118] <unfinished ...>
[pid 5125] setpgid(0, 0 <unfinished ...>
[pid 5123] <... openat resumed>) = 4
[pid 5125] <... setpgid resumed>) = 0
[pid 5123] sendfile(4, 3, [118] <unfinished ...>
[pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5125] write(3, "1000", 4) = 4
[pid 5125] close(3) = 0
[pid 5120] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5125] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5120] <... memfd_create resumed>) = 5
[pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 62.362118][ T5120] syz-executor299 (5120): drop_caches: 1
[ 62.398116][ T5121] syz-executor299 (5121): drop_caches: 1
[pid 5125] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5125] sendfile(4, 3, [118] <unfinished ...>
[pid 5120] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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
[ 62.431027][ T5123] syz-executor299 (5123): drop_caches: 1
[ 62.444667][ T5122] syz-executor299 (5122): drop_caches: 1
[ 62.469215][ T5124] syz-executor299 (5124): drop_caches: 1
[ 62.472262][ T5121] syz-executor299 (5121): drop_caches: 1
[pid 5120] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5120] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5120] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5120] ioctl(6, LOOP_CLR_FD) = 0
[pid 5121] <... sendfile resumed> => [671], 553) = 553
[pid 5120] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5120] close(6) = 0
[pid 5120] close(5 <unfinished ...>
[pid 5121] memfd_create("syzkaller", 0) = 5
[pid 5123] <... sendfile resumed> => [671], 553) = 553
[pid 5120] <... close resumed>) = 0
[pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5123] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5121] <... mmap resumed>) = 0x7f6e422e4000
[ 62.515446][ T5123] syz-executor299 (5123): drop_caches: 1
[ 62.537219][ T5125] syz-executor299 (5125): drop_caches: 1
[ 62.551166][ T5124] syz-executor299 (5124): drop_caches: 1
[ 62.558385][ T5122] syz-executor299 (5122): drop_caches: 1
[pid 5120] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5124] <... sendfile resumed> => [671], 553) = 553
[pid 5120] <... openat resumed>) = 5
[pid 5120] write(5, "t", 1 <unfinished ...>
[pid 5124] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5122] <... sendfile resumed> => [671], 553) = 553
[pid 5120] <... write resumed>) = 1
[pid 5120] exit_group(0) = ?
[pid 5120] +++ exited with 0 +++
[pid 5124] <... memfd_create resumed>) = 5
[pid 5123] <... memfd_create resumed>) = 5
[pid 5122] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5125] <... sendfile resumed> => [671], 553) = 553
[pid 5122] <... memfd_create resumed>) = 5
[pid 5125] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5123] <... mmap resumed>) = 0x7f6e422e4000
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5122] <... mmap resumed>) = 0x7f6e422e4000
[pid 5121] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5125] <... memfd_create resumed>) = 5
[pid 5124] <... mmap resumed>) = 0x7f6e422e4000
[pid 5070] <... close resumed>) = 0
[pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5125] <... mmap resumed>) = 0x7f6e422e4000
./strace-static-x86_64: Process 5126 attached
[ 62.575706][ T5125] syz-executor299 (5125): drop_caches: 1
[pid 5123] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5126] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5122] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 resumed>) = 2097152
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5126
[pid 5126] <... set_robust_list resumed>) = 0
[pid 5121] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5126] setpgid(0, 0) = 0
[pid 5121] <... munmap resumed>) = 0
[pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5124] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 6
[pid 5121] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5126] write(3, "1000", 4 <unfinished ...>
[pid 5121] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5126] <... write resumed>) = 4
[pid 5126] close(3 <unfinished ...>
[pid 5121] <... ioctl resumed>) = 0
[pid 5126] <... close resumed>) = 0
[pid 5126] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5121] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5126] <... openat resumed>) = 3
[pid 5121] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5126] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5125] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 resumed>) = 2097152
[pid 5126] <... openat resumed>) = 4
[pid 5121] close(6 <unfinished ...>
[pid 5126] sendfile(4, 3, [118] <unfinished ...>
[pid 5121] <... close resumed>) = 0
[pid 5123] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5124] <... write resumed>) = 2097152
[pid 5123] <... munmap resumed>) = 0
[pid 5121] close(5 <unfinished ...>
[pid 5122] <... write resumed>) = 2097152
[pid 5121] <... close resumed>) = 0
[pid 5121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5124] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5123] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5122] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5121] <... openat resumed>) = 5
[pid 5123] <... openat resumed>) = 6
[pid 5122] <... munmap resumed>) = 0
[pid 5121] write(5, "t", 1 <unfinished ...>
[pid 5123] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5123] ioctl(6, LOOP_CLR_FD) = 0
[pid 5124] <... munmap resumed>) = 0
[pid 5121] <... write resumed>) = 1
[pid 5121] exit_group(0 <unfinished ...>
[pid 5123] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5121] <... exit_group resumed>) = ?
[pid 5122] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5125] <... write resumed>) = 2097152
[pid 5124] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5123] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5121] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5122] <... openat resumed>) = 6
[pid 5122] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5122] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5122] ioctl(6, LOOP_CLR_FD) = 0
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5123] close(6 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5123] <... close resumed>) = 0
[pid 5061] <... close resumed>) = 0
[pid 5123] close(5 <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5127
[pid 5122] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5122] close(6) = 0
[pid 5122] close(5./strace-static-x86_64: Process 5127 attached
<unfinished ...>
[pid 5127] set_robust_list(0x55555565f660, 24) = 0
[pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5124] <... openat resumed>) = 6
[pid 5127] setpgid(0, 0 <unfinished ...>
[pid 5124] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5127] <... setpgid resumed>) = 0
[pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5124] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5125] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5124] ioctl(6, LOOP_CLR_FD) = 0
[pid 5127] <... openat resumed>) = 3
[pid 5127] write(3, "1000", 4) = 4
[pid 5127] close(3) = 0
[pid 5124] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5124] close(6 <unfinished ...>
[pid 5127] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5125] <... munmap resumed>) = 0
[pid 5123] <... close resumed>) = 0
[pid 5122] <... close resumed>) = 0
[pid 5127] <... openat resumed>) = 3
[pid 5124] <... close resumed>) = 0
[pid 5127] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5127] sendfile(4, 3, [118] <unfinished ...>
[pid 5122] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5125] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5124] close(5 <unfinished ...>
[pid 5123] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5124] <... close resumed>) = 0
[pid 5124] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5125] <... openat resumed>) = 6
[pid 5124] <... openat resumed>) = 5
[pid 5123] <... openat resumed>) = 5
[pid 5124] write(5, "t", 1 <unfinished ...>
[pid 5123] write(5, "t", 1 <unfinished ...>
[pid 5125] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5125] ioctl(6, LOOP_CLR_FD) = 0
[pid 5125] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5122] <... openat resumed>) = 5
[pid 5122] write(5, "t", 1 <unfinished ...>
[pid 5125] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5125] close(6) = 0
[ 62.745762][ T5126] syz-executor299 (5126): drop_caches: 1
[pid 5125] close(5 <unfinished ...>
[pid 5124] <... write resumed>) = 1
[pid 5123] <... write resumed>) = 1
[pid 5122] <... write resumed>) = 1
[pid 5122] exit_group(0) = ?
[pid 5122] +++ exited with 0 +++
[pid 5124] exit_group(0 <unfinished ...>
[pid 5123] exit_group(0 <unfinished ...>
[pid 5124] <... exit_group resumed>) = ?
[pid 5123] <... exit_group resumed>) = ?
[pid 5123] +++ exited with 0 +++
[pid 5124] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5128
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5128 attached
<unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5128] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5128] <... set_robust_list resumed>) = 0
[pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5062] <... ioctl resumed>) = 0
[pid 5128] <... prctl resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5128] setpgid(0, 0 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5128] <... setpgid resumed>) = 0
[pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5128] write(3, "1000", 4) = 4
[pid 5128] close(3) = 0
[pid 5128] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5128] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5129
./strace-static-x86_64: Process 5129 attached
[pid 5128] <... openat resumed>) = 4
[pid 5129] set_robust_list(0x55555565f660, 24) = 0
[pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5128] sendfile(4, 3, [118] <unfinished ...>
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached
<unfinished ...>
[pid 5130] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5129] <... prctl resumed>) = 0
[pid 5130] <... set_robust_list resumed>) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5130
[pid 5129] setpgid(0, 0) = 0
[pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5129] write(3, "1000", 4) = 4
[pid 5125] <... close resumed>) = 0
[pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5125] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5129] close(3) = 0
[pid 5129] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5125] <... openat resumed>) = 5
[pid 5129] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5125] write(5, "t", 1 <unfinished ...>
[pid 5129] <... openat resumed>) = 4
[pid 5129] sendfile(4, 3, [118] <unfinished ...>
[pid 5130] <... prctl resumed>) = 0
[pid 5126] <... sendfile resumed> => [671], 553) = 553
[ 62.817971][ T5126] syz-executor299 (5126): drop_caches: 1
[pid 5130] setpgid(0, 0 <unfinished ...>
[pid 5126] memfd_create("syzkaller", 0) = 5
[pid 5130] <... setpgid resumed>) = 0
[pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5125] <... write resumed>) = 1
[pid 5125] exit_group(0) = ?
[pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5125] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 5130] <... openat resumed>) = 3
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5130] write(3, "1000", 4 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5130] <... write resumed>) = 4
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5130] close(3 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5131 attached
<unfinished ...>
[pid 5131] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5131
[pid 5131] <... set_robust_list resumed>) = 0
[pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5130] <... close resumed>) = 0
[pid 5130] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5131] <... prctl resumed>) = 0
[pid 5131] setpgid(0, 0) = 0
[pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5130] <... openat resumed>) = 3
[pid 5126] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5130] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5131] write(3, "1000", 4) = 4
[pid 5131] close(3) = 0
[pid 5131] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5131] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5130] <... openat resumed>) = 4
[pid 5130] sendfile(4, 3, [118] <unfinished ...>
[pid 5131] <... openat resumed>) = 4
[ 62.916981][ T5127] syz-executor299 (5127): drop_caches: 1
[ 62.936144][ T5128] syz-executor299 (5128): drop_caches: 1
[pid 5131] sendfile(4, 3, [118] <unfinished ...>
[pid 5126] <... write resumed>) = 2097152
[pid 5126] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5126] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5126] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5126] ioctl(6, LOOP_CLR_FD) = 0
[pid 5126] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5126] close(6) = 0
[ 62.987477][ T5129] syz-executor299 (5129): drop_caches: 1
[ 63.026910][ T5131] syz-executor299 (5131): drop_caches: 1
[pid 5126] close(5 <unfinished ...>
[pid 5127] <... sendfile resumed> => [671], 553) = 553
[pid 5126] <... close resumed>) = 0
[ 63.036222][ T5127] syz-executor299 (5127): drop_caches: 1
[ 63.039578][ T5130] syz-executor299 (5130): drop_caches: 1
[ 63.056020][ T5128] syz-executor299 (5128): drop_caches: 1
[pid 5129] <... sendfile resumed> => [671], 553) = 553
[pid 5127] memfd_create("syzkaller", 0) = 5
[pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5126] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5128] <... sendfile resumed> => [671], 553) = 553
[pid 5128] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5126] <... openat resumed>) = 5
[pid 5128] <... memfd_create resumed>) = 5
[pid 5126] write(5, "t", 1 <unfinished ...>
[pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5126] <... write resumed>) = 1
[pid 5126] exit_group(0) = ?
[pid 5126] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached
<unfinished ...>
[pid 5132] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5132
[pid 5132] <... set_robust_list resumed>) = 0
[pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5129] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5132] setpgid(0, 0) = 0
[pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5132] write(3, "1000", 4) = 4
[pid 5129] <... memfd_create resumed>) = 5
[pid 5132] close(3 <unfinished ...>
[pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 63.082161][ T5129] syz-executor299 (5129): drop_caches: 1
[pid 5132] <... close resumed>) = 0
[pid 5132] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5132] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5132] sendfile(4, 3, [118] <unfinished ...>
[pid 5127] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5131] <... sendfile resumed> => [671], 553) = 553
[pid 5130] <... sendfile resumed> => [671], 553) = 553
[pid 5129] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5130] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5131] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5130] <... memfd_create resumed>) = 5
[pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5131] <... memfd_create resumed>) = 5
[pid 5127] <... write resumed>) = 2097152
[pid 5127] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5127] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5127] ioctl(6, LOOP_CLR_FD) = 0
[pid 5127] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[ 63.128025][ T5130] syz-executor299 (5130): drop_caches: 1
[ 63.144021][ T5131] syz-executor299 (5131): drop_caches: 1
[pid 5127] close(6) = 0
[pid 5127] close(5 <unfinished ...>
[pid 5130] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5129] <... write resumed>) = 2097152
[pid 5128] <... write resumed>) = 2097152
[pid 5131] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5129] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5128] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5129] <... munmap resumed>) = 0
[pid 5128] <... munmap resumed>) = 0
[pid 5128] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5128] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5128] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5127] <... close resumed>) = 0
[pid 5128] <... ioctl resumed>) = 0
[pid 5131] <... write resumed>) = 2097152
[pid 5130] <... write resumed>) = 2097152
[pid 5129] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5127] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5131] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5130] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5129] <... openat resumed>) = 6
[pid 5127] <... openat resumed>) = 5
[pid 5129] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5128] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5127] write(5, "t", 1 <unfinished ...>
[pid 5129] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5128] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5128] close(6 <unfinished ...>
[pid 5129] ioctl(6, LOOP_CLR_FD) = 0
[pid 5128] <... close resumed>) = 0
[pid 5129] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5128] close(5 <unfinished ...>
[pid 5129] close(6 <unfinished ...>
[pid 5127] <... write resumed>) = 1
[pid 5127] exit_group(0) = ?
[pid 5130] <... munmap resumed>) = 0
[pid 5129] <... close resumed>) = 0
[pid 5127] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5131] <... munmap resumed>) = 0
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5129] close(5 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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, child_tidptr=0x55555565f650) = 5133
[pid 5131] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
./strace-static-x86_64: Process 5133 attached
[pid 5133] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5131] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5130] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5133] <... set_robust_list resumed>) = 0
[pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5133] setpgid(0, 0) = 0
[pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5133] write(3, "1000", 4) = 4
[pid 5133] close(3) = 0
[pid 5133] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5133] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5130] <... openat resumed>) = 6
[pid 5133] sendfile(4, 3, [118] <unfinished ...>
[pid 5131] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5130] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5131] ioctl(6, LOOP_CLR_FD) = 0
[pid 5130] ioctl(6, LOOP_CLR_FD) = 0
[pid 5131] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5130] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5131] close(6 <unfinished ...>
[pid 5130] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5131] <... close resumed>) = 0
[pid 5130] close(6 <unfinished ...>
[pid 5131] close(5) = 0
[pid 5130] <... close resumed>) = 0
[pid 5128] <... close resumed>) = 0
[pid 5131] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5130] close(5 <unfinished ...>
[pid 5128] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5130] <... close resumed>) = 0
[ 63.245213][ T5132] syz-executor299 (5132): drop_caches: 1
[pid 5130] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5131] <... openat resumed>) = 5
[pid 5130] <... openat resumed>) = 5
[pid 5129] <... close resumed>) = 0
[pid 5128] <... openat resumed>) = 5
[pid 5130] write(5, "t", 1 <unfinished ...>
[pid 5131] write(5, "t", 1 <unfinished ...>
[pid 5129] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5128] write(5, "t", 1 <unfinished ...>
[pid 5129] <... openat resumed>) = 5
[pid 5129] write(5, "t", 1 <unfinished ...>
[pid 5131] <... write resumed>) = 1
[pid 5130] <... write resumed>) = 1
[pid 5128] <... write resumed>) = 1
[pid 5131] exit_group(0 <unfinished ...>
[pid 5128] exit_group(0 <unfinished ...>
[pid 5131] <... exit_group resumed>) = ?
[pid 5130] exit_group(0 <unfinished ...>
[pid 5129] <... write resumed>) = 1
[pid 5128] <... exit_group resumed>) = ?
[pid 5128] +++ exited with 0 +++
[pid 5129] exit_group(0 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5066] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5129] <... exit_group resumed>) = ?
[pid 5066] <... restart_syscall resumed>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5134 attached
<unfinished ...>
[pid 5134] set_robust_list(0x55555565f660, 24) = 0
[pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5134] setpgid(0, 0) = 0
[pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5134] write(3, "1000", 4) = 4
[pid 5134] close(3) = 0
[pid 5134] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5130] <... exit_group resumed>) = ?
[pid 5134] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5134] sendfile(4, 3, [118] <unfinished ...>
[pid 5131] +++ exited with 0 +++
[pid 5130] +++ exited with 0 +++
[pid 5129] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5067] <... openat resumed>) = 3
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5134
[pid 5063] <... openat resumed>) = 3
[pid 5062] <... restart_syscall resumed>) = 0
[pid 5067] <... ioctl resumed>) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5132] <... sendfile resumed> => [671], 553) = 553
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5132] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5135
[pid 5063] <... ioctl resumed>) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5063] close(3./strace-static-x86_64: Process 5135 attached
<unfinished ...>
[pid 5132] <... memfd_create resumed>) = 5
[pid 5063] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[ 63.346959][ T5132] syz-executor299 (5132): drop_caches: 1
./strace-static-x86_64: Process 5136 attached
[pid 5135] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5132] <... mmap resumed>) = 0x7f6e422e4000
[pid 5062] close(3 <unfinished ...>
[pid 5136] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5135] <... set_robust_list resumed>) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5136
[pid 5062] <... close resumed>) = 0
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5137 attached
<unfinished ...>
[pid 5136] <... set_robust_list resumed>) = 0
[pid 5135] <... prctl resumed>) = 0
[pid 5137] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5135] setpgid(0, 0 <unfinished ...>
[pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5137] <... set_robust_list resumed>) = 0
[pid 5135] <... setpgid resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5137
[pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5137] setpgid(0, 0 <unfinished ...>
[pid 5136] <... prctl resumed>) = 0
[pid 5135] <... openat resumed>) = 3
[pid 5137] <... setpgid resumed>) = 0
[pid 5136] setpgid(0, 0 <unfinished ...>
[pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5136] <... setpgid resumed>) = 0
[pid 5135] write(3, "1000", 4 <unfinished ...>
[pid 5137] <... openat resumed>) = 3
[pid 5135] <... write resumed>) = 4
[pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5135] close(3 <unfinished ...>
[pid 5137] write(3, "1000", 4 <unfinished ...>
[pid 5136] <... openat resumed>) = 3
[pid 5137] <... write resumed>) = 4
[pid 5135] <... close resumed>) = 0
[pid 5135] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5137] close(3 <unfinished ...>
[pid 5135] <... openat resumed>) = 3
[pid 5137] <... close resumed>) = 0
[pid 5137] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5136] write(3, "1000", 4 <unfinished ...>
[pid 5135] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5137] <... openat resumed>) = 3
[pid 5136] <... write resumed>) = 4
[pid 5135] <... openat resumed>) = 4
[pid 5136] close(3 <unfinished ...>
[pid 5135] sendfile(4, 3, [118] <unfinished ...>
[pid 5137] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5136] <... close resumed>) = 0
[pid 5137] <... openat resumed>) = 4
[pid 5136] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5137] sendfile(4, 3, [118] <unfinished ...>
[pid 5136] <... openat resumed>) = 3
[pid 5132] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5136] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 63.427056][ T5134] syz-executor299 (5134): drop_caches: 1
[ 63.466124][ T5133] syz-executor299 (5133): drop_caches: 1
[pid 5136] sendfile(4, 3, [118] <unfinished ...>
[pid 5132] <... write resumed>) = 2097152
[pid 5132] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5132] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 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) = 0
[pid 5132] close(5 <unfinished ...>
[pid 5134] <... sendfile resumed> => [671], 553) = 553
[pid 5134] memfd_create("syzkaller", 0) = 5
[pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5132] <... close resumed>) = 0
[pid 5134] <... mmap resumed>) = 0x7f6e422e4000
[pid 5133] <... sendfile resumed> => [671], 553) = 553
[pid 5133] memfd_create("syzkaller", 0) = 5
[pid 5132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5132] <... openat resumed>) = 5
[pid 5132] write(5, "t", 1 <unfinished ...>
[pid 5133] <... mmap resumed>) = 0x7f6e422e4000
[pid 5132] <... write resumed>) = 1
[pid 5132] exit_group(0) = ?
[pid 5132] +++ exited with 0 +++
[pid 5070] --- 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 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached
<unfinished ...>
[pid 5138] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5138
[pid 5138] <... set_robust_list resumed>) = 0
[pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5138] setpgid(0, 0) = 0
[pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5138] write(3, "1000", 4) = 4
[pid 5138] close(3) = 0
[pid 5138] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5138] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 63.564285][ T5135] syz-executor299 (5135): drop_caches: 1
[ 63.567347][ T5133] syz-executor299 (5133): drop_caches: 1
[ 63.576937][ T5137] syz-executor299 (5137): drop_caches: 1
[ 63.583554][ T5134] syz-executor299 (5134): drop_caches: 1
[ 63.589733][ T5136] syz-executor299 (5136): drop_caches: 1
[pid 5138] sendfile(4, 3, [118] <unfinished ...>
[pid 5133] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... write resumed>) = 2097152
[pid 5133] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5137] <... sendfile resumed> => [671], 553) = 553
[pid 5136] <... sendfile resumed> => [671], 553) = 553
[pid 5135] <... sendfile resumed> => [671], 553) = 553
[pid 5134] <... write resumed>) = 2097152
[pid 5133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5133] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5133] ioctl(6, LOOP_CLR_FD) = 0
[pid 5135] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5134] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5137] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5133] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5133] close(6 <unfinished ...>
[pid 5137] <... memfd_create resumed>) = 5
[pid 5136] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5135] <... memfd_create resumed>) = 5
[pid 5134] <... munmap resumed>) = 0
[pid 5133] <... close resumed>) = 0
[pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5134] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5133] close(5 <unfinished ...>
[pid 5137] <... mmap resumed>) = 0x7f6e422e4000
[pid 5136] <... memfd_create resumed>) = 5
[pid 5134] <... openat resumed>) = 6
[pid 5133] <... close resumed>) = 0
[ 63.676393][ T5135] syz-executor299 (5135): drop_caches: 1
[ 63.693800][ T5137] syz-executor299 (5137): drop_caches: 1
[ 63.710287][ T5138] syz-executor299 (5138): drop_caches: 1
[ 63.711297][ T5136] syz-executor299 (5136): drop_caches: 1
[pid 5135] <... mmap resumed>) = 0x7f6e422e4000
[pid 5134] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5134] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5133] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5134] <... ioctl resumed>) = 0
[pid 5133] <... openat resumed>) = 5
[pid 5133] write(5, "t", 1) = 1
[pid 5133] exit_group(0) = ?
[pid 5133] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5134] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5137] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5134] close(6) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5134] close(5 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5138] <... sendfile resumed> => [671], 553) = 553
[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=0x55555565f650) = 5139
[pid 5138] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5139 attached
<unfinished ...>
[pid 5139] set_robust_list(0x55555565f660, 24) = 0
[pid 5138] <... memfd_create resumed>) = 5
[pid 5136] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5139] <... prctl resumed>) = 0
[pid 5138] <... mmap resumed>) = 0x7f6e422e4000
[pid 5139] setpgid(0, 0) = 0
[pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5134] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5139] write(3, "1000", 4 <unfinished ...>
[pid 5134] write(5, "t", 1 <unfinished ...>
[pid 5139] <... write resumed>) = 4
[pid 5139] close(3) = 0
[pid 5139] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5139] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5134] <... write resumed>) = 1
[pid 5134] exit_group(0 <unfinished ...>
[pid 5139] <... openat resumed>) = 4
[pid 5134] <... exit_group resumed>) = ?
[pid 5139] sendfile(4, 3, [118] <unfinished ...>
[pid 5134] +++ exited with 0 +++
[pid 5066] --- 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=8 /* 0.08 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached
<unfinished ...>
[pid 5140] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5140
[pid 5140] <... set_robust_list resumed>) = 0
[pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5140] setpgid(0, 0) = 0
[ 63.789266][ T5138] syz-executor299 (5138): drop_caches: 1
[pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5140] write(3, "1000", 4) = 4
[pid 5140] close(3) = 0
[pid 5140] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5140] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5140] sendfile(4, 3, [118] <unfinished ...>
[pid 5135] <... write resumed>) = 2097152
[pid 5135] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5138] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 resumed>) = 2097152
[pid 5136] <... write resumed>) = 2097152
[pid 5135] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5135] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5135] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5137] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5135] <... ioctl resumed>) = 0
[pid 5137] <... munmap resumed>) = 0
[pid 5136] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5137] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5135] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5137] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5135] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5137] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5135] close(6 <unfinished ...>
[pid 5137] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5136] <... munmap resumed>) = 0
[pid 5135] <... close resumed>) = 0
[pid 5137] <... ioctl resumed>) = 0
[pid 5135] close(5 <unfinished ...>
[pid 5138] <... write resumed>) = 2097152
[pid 5136] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5135] <... close resumed>) = 0
[pid 5136] <... openat resumed>) = 6
[pid 5136] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5136] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5135] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5137] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5136] <... ioctl resumed>) = 0
[pid 5137] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5135] <... openat resumed>) = 5
[pid 5137] close(6 <unfinished ...>
[pid 5135] write(5, "t", 1 <unfinished ...>
[pid 5137] <... close resumed>) = 0
[pid 5137] close(5 <unfinished ...>
[pid 5136] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5138] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5136] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5138] <... munmap resumed>) = 0
[pid 5137] <... close resumed>) = 0
[pid 5136] close(6 <unfinished ...>
[pid 5135] <... write resumed>) = 1
[pid 5136] <... close resumed>) = 0
[pid 5135] exit_group(0 <unfinished ...>
[pid 5136] close(5 <unfinished ...>
[pid 5135] <... exit_group resumed>) = ?
[pid 5135] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5137] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5137] <... openat resumed>) = 5
[pid 5067] close(3 <unfinished ...>
[pid 5137] write(5, "t", 1 <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached
, child_tidptr=0x55555565f650) = 5141
[pid 5141] set_robust_list(0x55555565f660, 24) = 0
[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 5137] <... write resumed>) = 1
[pid 5137] exit_group(0) = ?
[pid 5137] +++ exited with 0 +++
[ 63.924402][ T5139] syz-executor299 (5139): drop_caches: 1
[pid 5141] write(3, "1000", 4) = 4
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5141] close(3 <unfinished ...>
[pid 5138] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5062] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5138] <... openat resumed>) = 6
[pid 5062] <... restart_syscall resumed>) = 0
[pid 5141] <... close resumed>) = 0
[pid 5138] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5141] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5141] <... openat resumed>) = 3
[pid 5138] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5141] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5138] <... ioctl resumed>) = 0
[pid 5141] <... openat resumed>) = 4
[pid 5062] <... close resumed>) = 0
[pid 5141] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached
<unfinished ...>
[pid 5138] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5138] close(6 <unfinished ...>
[pid 5142] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5138] <... close resumed>) = 0
[pid 5136] <... close resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5142
[pid 5142] <... set_robust_list resumed>) = 0
[pid 5138] close(5 <unfinished ...>
[pid 5136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5136] <... openat resumed>) = 5
[pid 5142] setpgid(0, 0 <unfinished ...>
[pid 5136] write(5, "t", 1 <unfinished ...>
[pid 5142] <... setpgid resumed>) = 0
[pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5142] write(3, "1000", 4) = 4
[pid 5142] close(3) = 0
[pid 5142] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5136] <... write resumed>) = 1
[pid 5142] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5136] exit_group(0 <unfinished ...>
[pid 5142] <... openat resumed>) = 4
[pid 5142] sendfile(4, 3, [118] <unfinished ...>
[pid 5136] <... exit_group resumed>) = ?
[ 63.964860][ T5140] syz-executor299 (5140): drop_caches: 1
[pid 5136] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5138] <... close resumed>) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5138] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5063] <... openat resumed>) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3 <unfinished ...>
[pid 5138] <... openat resumed>) = 5
[pid 5063] <... close resumed>) = 0
[pid 5138] write(5, "t", 1 <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5143 attached
<unfinished ...>
[pid 5143] set_robust_list(0x55555565f660, 24) = 0
[pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5138] <... write resumed>) = 1
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5143
[pid 5138] exit_group(0 <unfinished ...>
[pid 5143] setpgid(0, 0 <unfinished ...>
[pid 5138] <... exit_group resumed>) = ?
[pid 5143] <... setpgid resumed>) = 0
[pid 5138] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5139] <... sendfile resumed> => [671], 553) = 553
[pid 5143] <... openat resumed>) = 3
[pid 5139] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5143] write(3, "1000", 4 <unfinished ...>
[pid 5139] <... memfd_create resumed>) = 5
[pid 5070] <... openat resumed>) = 3
[pid 5143] <... write resumed>) = 4
[pid 5143] close(3 <unfinished ...>
[pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5143] <... close resumed>) = 0
[pid 5139] <... mmap resumed>) = 0x7f6e422e4000
[pid 5070] <... ioctl resumed>) = 0
[ 64.044760][ T5139] syz-executor299 (5139): drop_caches: 1
[ 64.065880][ T5141] syz-executor299 (5141): drop_caches: 1
[ 64.086059][ T5142] syz-executor299 (5142): drop_caches: 1
[pid 5070] close(3 <unfinished ...>
[pid 5143] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5143] <... openat resumed>) = 3
[pid 5140] <... sendfile resumed> => [671], 553) = 553
./strace-static-x86_64: Process 5144 attached
[pid 5143] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5139] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] set_robust_list(0x55555565f660, 24) = 0
[pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5144] setpgid(0, 0) = 0
[pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5143] <... openat resumed>) = 4
[pid 5140] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5144] <... openat resumed>) = 3
[pid 5143] sendfile(4, 3, [118] <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5144
[pid 5144] write(3, "1000", 4) = 4
[pid 5144] close(3) = 0
[pid 5144] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5140] <... memfd_create resumed>) = 5
[pid 5144] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5144] <... openat resumed>) = 4
[pid 5140] <... mmap resumed>) = 0x7f6e422e4000
[ 64.104653][ T5140] syz-executor299 (5140): drop_caches: 1
[pid 5144] sendfile(4, 3, [118] <unfinished ...>
[pid 5140] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5139] <... write resumed>) = 2097152
[pid 5139] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5140] <... write resumed>) = 2097152
[pid 5139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5139] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5139] ioctl(6, LOOP_CLR_FD) = 0
[pid 5139] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5139] close(6 <unfinished ...>
[pid 5141] <... sendfile resumed> => [671], 553) = 553
[pid 5139] <... close resumed>) = 0
[pid 5139] close(5 <unfinished ...>
[pid 5142] <... sendfile resumed> => [671], 553) = 553
[pid 5141] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5139] <... close resumed>) = 0
[pid 5141] <... memfd_create resumed>) = 5
[pid 5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5140] munmap(0x7f6e422e4000, 138412032) = 0
[ 64.176235][ T5141] syz-executor299 (5141): drop_caches: 1
[ 64.199858][ T5142] syz-executor299 (5142): drop_caches: 1
[ 64.206319][ T5143] syz-executor299 (5143): drop_caches: 1
[pid 5142] memfd_create("syzkaller", 0) = 5
[pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5140] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5140] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5140] ioctl(6, LOOP_CLR_FD) = 0
[pid 5139] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5140] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5140] close(6 <unfinished ...>
[pid 5141] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5140] close(5) = 0
[ 64.224250][ T5144] syz-executor299 (5144): drop_caches: 1
[pid 5139] <... openat resumed>) = 5
[pid 5139] write(5, "t", 1 <unfinished ...>
[pid 5140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5140] write(5, "t", 1 <unfinished ...>
[pid 5139] <... write resumed>) = 1
[pid 5139] exit_group(0) = ?
[pid 5139] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5140] <... write resumed>) = 1
[pid 5140] exit_group(0 <unfinished ...>
[pid 5061] <... openat resumed>) = 3
[pid 5140] <... exit_group resumed>) = ?
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5142] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] +++ exited with 0 +++
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5141] <... write resumed>) = 2097152
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5141] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5145 attached
) = 0
[pid 5145] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5145] <... set_robust_list resumed>) = 0
[pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5145] setpgid(0, 0) = 0
[pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5145] write(3, "1000", 4) = 4
[pid 5145] close(3./strace-static-x86_64: Process 5146 attached
) = 0
[pid 5145] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5146
[pid 5146] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5145] <... openat resumed>) = 3
[pid 5146] <... set_robust_list resumed>) = 0
[pid 5145] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5145] <... openat resumed>) = 4
[pid 5145] sendfile(4, 3, [118] <unfinished ...>
[pid 5146] <... prctl resumed>) = 0
[pid 5141] <... munmap resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5145
[pid 5146] setpgid(0, 0 <unfinished ...>
[pid 5141] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5146] <... setpgid resumed>) = 0
[pid 5141] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5141] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5141] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5146] <... openat resumed>) = 3
[pid 5141] <... ioctl resumed>) = 0
[pid 5141] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5141] close(6 <unfinished ...>
[pid 5146] write(3, "1000", 4 <unfinished ...>
[pid 5144] <... sendfile resumed> => [671], 553) = 553
[pid 5143] <... sendfile resumed> => [671], 553) = 553
[pid 5142] <... write resumed>) = 2097152
[pid 5141] <... close resumed>) = 0
[pid 5146] <... write resumed>) = 4
[pid 5141] close(5) = 0
[pid 5146] close(3) = 0
[pid 5146] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5144] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5143] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5144] <... memfd_create resumed>) = 5
[pid 5142] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5146] <... openat resumed>) = 3
[pid 5146] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5143] <... memfd_create resumed>) = 5
[pid 5146] <... openat resumed>) = 4
[pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5146] sendfile(4, 3, [118] <unfinished ...>
[pid 5142] <... munmap resumed>) = 0
[ 64.307796][ T5144] syz-executor299 (5144): drop_caches: 1
[ 64.327572][ T5143] syz-executor299 (5143): drop_caches: 1
[pid 5141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5144] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5143] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5142] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5142] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5141] write(5, "t", 1 <unfinished ...>
[pid 5142] <... ioctl resumed>) = 0
[pid 5142] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5142] close(6) = 0
[pid 5142] close(5) = 0
[pid 5141] <... write resumed>) = 1
[pid 5141] exit_group(0) = ?
[pid 5141] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5147
./strace-static-x86_64: Process 5147 attached
[pid 5147] set_robust_list(0x55555565f660, 24) = 0
[pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5147] setpgid(0, 0 <unfinished ...>
[pid 5143] <... write resumed>) = 2097152
[pid 5142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5147] <... setpgid resumed>) = 0
[pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5143] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5147] <... openat resumed>) = 3
[pid 5143] <... munmap resumed>) = 0
[pid 5142] <... openat resumed>) = 5
[pid 5147] write(3, "1000", 4) = 4
[pid 5147] close(3) = 0
[pid 5147] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5144] <... write resumed>) = 2097152
[pid 5147] <... openat resumed>) = 3
[ 64.407789][ T5145] syz-executor299 (5145): drop_caches: 1
[pid 5142] write(5, "t", 1 <unfinished ...>
[pid 5147] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5147] sendfile(4, 3, [118] <unfinished ...>
[pid 5144] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5143] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5144] <... munmap resumed>) = 0
[pid 5143] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5143] ioctl(6, LOOP_CLR_FD) = 0
[pid 5143] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5144] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5143] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5144] <... openat resumed>) = 6
[pid 5144] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5143] close(6 <unfinished ...>
[pid 5144] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5143] <... close resumed>) = 0
[pid 5144] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5143] close(5 <unfinished ...>
[pid 5144] <... ioctl resumed>) = 0
[pid 5144] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5144] close(6) = 0
[pid 5144] close(5) = 0
[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 5142] <... write resumed>) = 1
[pid 5142] exit_group(0) = ?
[pid 5143] <... close resumed>) = 0
[pid 5143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5143] write(5, "t", 1 <unfinished ...>
[pid 5144] <... write resumed>) = 1
[pid 5143] <... write resumed>) = 1
[pid 5142] +++ exited with 0 +++
[pid 5144] exit_group(0 <unfinished ...>
[pid 5143] exit_group(0 <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5144] <... exit_group resumed>) = ?
[pid 5143] <... exit_group resumed>) = ?
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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 5148 attached
<unfinished ...>
[pid 5144] +++ exited with 0 +++
[pid 5148] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5148] <... set_robust_list resumed>) = 0
[ 64.482406][ T5146] syz-executor299 (5146): drop_caches: 1
[pid 5143] +++ exited with 0 +++
[pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5148
[pid 5148] <... prctl resumed>) = 0
[pid 5063] --- 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=8 /* 0.08 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5148] setpgid(0, 0 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5148] <... setpgid resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5148] <... openat resumed>) = 3
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5149 attached
<unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5149
[pid 5063] <... openat resumed>) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5149] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5145] <... sendfile resumed> => [671], 553) = 553
[pid 5149] <... set_robust_list resumed>) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5145] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5149] <... prctl resumed>) = 0
[pid 5149] setpgid(0, 0 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5150
[pid 5149] <... setpgid resumed>) = 0
[pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5150 attached
<unfinished ...>
[pid 5150] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5149] <... openat resumed>) = 3
[pid 5150] <... set_robust_list resumed>) = 0
[pid 5148] write(3, "1000", 4 <unfinished ...>
[pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5148] <... write resumed>) = 4
[pid 5150] <... prctl resumed>) = 0
[pid 5148] close(3) = 0
[pid 5149] write(3, "1000", 4 <unfinished ...>
[pid 5150] setpgid(0, 0) = 0
[pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5150] write(3, "1000", 4) = 4
[pid 5150] close(3 <unfinished ...>
[pid 5145] <... memfd_create resumed>) = 5
[pid 5149] <... write resumed>) = 4
[pid 5149] close(3 <unfinished ...>
[pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5148] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5148] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5148] sendfile(4, 3, [118] <unfinished ...>
[pid 5150] <... close resumed>) = 0
[pid 5150] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5149] <... close resumed>) = 0
[pid 5149] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5150] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5149] <... openat resumed>) = 3
[ 64.532990][ T5145] syz-executor299 (5145): drop_caches: 1
[pid 5149] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5150] <... openat resumed>) = 4
[pid 5149] sendfile(4, 3, [118] <unfinished ...>
[pid 5150] sendfile(4, 3, [118] <unfinished ...>
[ 64.592761][ T5147] syz-executor299 (5147): drop_caches: 1
[pid 5145] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5145] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5145] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5145] ioctl(6, LOOP_CLR_FD) = 0
[pid 5145] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5146] <... sendfile resumed> => [671], 553) = 553
[pid 5145] close(6) = 0
[pid 5145] close(5 <unfinished ...>
[pid 5146] memfd_create("syzkaller", 0) = 5
[pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 64.679328][ T5149] syz-executor299 (5149): drop_caches: 1
[ 64.680502][ T5146] syz-executor299 (5146): drop_caches: 1
[ 64.695952][ T5148] syz-executor299 (5148): drop_caches: 1
[ 64.706727][ T5150] syz-executor299 (5150): drop_caches: 1
[ 64.708209][ T5149] syz-executor299 (5149): drop_caches: 1
[pid 5149] <... sendfile resumed> => [671], 553) = 553
[pid 5145] <... close resumed>) = 0
[pid 5149] memfd_create("syzkaller", 0) = 5
[pid 5145] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5147] <... sendfile resumed> => [671], 553) = 553
[pid 5147] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5145] <... openat resumed>) = 5
[pid 5149] <... mmap resumed>) = 0x7f6e422e4000
[pid 5147] <... memfd_create resumed>) = 5
[pid 5145] write(5, "t", 1 <unfinished ...>
[pid 5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5146] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5145] <... write resumed>) = 1
[pid 5145] exit_group(0) = ?
[pid 5147] <... mmap resumed>) = 0x7f6e422e4000
[ 64.747567][ T5147] syz-executor299 (5147): drop_caches: 1
[pid 5146] <... write resumed>) = 2097152
[pid 5145] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5061] close(3) = 0
[pid 5148] <... sendfile resumed> => [671], 553) = 553
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5151
./strace-static-x86_64: Process 5151 attached
[pid 5151] set_robust_list(0x55555565f660, 24) = 0
[pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5151] setpgid(0, 0) = 0
[pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5151] write(3, "1000", 4) = 4
[pid 5151] close(3) = 0
[pid 5151] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5151] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5151] sendfile(4, 3, [118] <unfinished ...>
[pid 5146] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5148] memfd_create("syzkaller", 0) = 5
[pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5149] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5146] <... munmap resumed>) = 0
[pid 5150] <... sendfile resumed> => [671], 553) = 553
[pid 5149] <... write resumed>) = 2097152
[pid 5147] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 ...>
[ 64.802170][ T5148] syz-executor299 (5148): drop_caches: 1
[ 64.802500][ T5150] syz-executor299 (5150): drop_caches: 1
[pid 5146] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5150] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5149] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5148] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5146] <... openat resumed>) = 6
[pid 5149] <... munmap resumed>) = 0
[pid 5146] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5146] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5150] <... memfd_create resumed>) = 5
[pid 5149] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5146] <... ioctl resumed>) = 0
[pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5146] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5146] close(6) = 0
[pid 5146] close(5 <unfinished ...>
[pid 5149] <... openat resumed>) = 6
[pid 5149] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5147] <... write resumed>) = 2097152
[pid 5149] ioctl(6, LOOP_CLR_FD) = 0
[pid 5147] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5148] <... write resumed>) = 2097152
[pid 5147] <... munmap resumed>) = 0
[pid 5149] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5148] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5149] close(6) = 0
[pid 5149] close(5 <unfinished ...>
[pid 5147] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5146] <... close resumed>) = 0
[pid 5147] <... openat resumed>) = 6
[pid 5147] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5147] ioctl(6, LOOP_CLR_FD) = 0
[pid 5146] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5147] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5146] <... openat resumed>) = 5
[pid 5147] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5146] write(5, "t", 1 <unfinished ...>
[pid 5147] close(6) = 0
[pid 5147] close(5 <unfinished ...>
[pid 5149] <... close resumed>) = 0
[pid 5150] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5148] <... munmap resumed>) = 0
[pid 5149] <... openat resumed>) = 5
[pid 5146] <... write resumed>) = 1
[pid 5149] write(5, "t", 1 <unfinished ...>
[pid 5146] exit_group(0) = ?
[pid 5148] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5146] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5148] <... openat resumed>) = 6
[pid 5148] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5148] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5066] <... openat resumed>) = 3
[pid 5148] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5149] <... write resumed>) = 1
[pid 5148] <... ioctl resumed>) = 0
[pid 5066] <... ioctl resumed>) = 0
[pid 5066] close(3) = 0
[pid 5149] exit_group(0 <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5152 attached
, child_tidptr=0x55555565f650) = 5152
[pid 5148] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5152] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5149] <... exit_group resumed>) = ?
[pid 5148] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5147] <... close resumed>) = 0
[pid 5152] <... set_robust_list resumed>) = 0
[pid 5148] close(6 <unfinished ...>
[pid 5147] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5148] <... close resumed>) = 0
[pid 5147] <... openat resumed>) = 5
[pid 5147] write(5, "t", 1 <unfinished ...>
[pid 5152] <... prctl resumed>) = 0
[pid 5152] setpgid(0, 0) = 0
[ 64.899370][ T5151] syz-executor299 (5151): drop_caches: 1
[pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5148] close(5 <unfinished ...>
[pid 5152] write(3, "1000", 4 <unfinished ...>
[pid 5149] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5152] <... write resumed>) = 4
[pid 5152] close(3 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5152] <... close resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5152] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5152] <... openat resumed>) = 3
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5147] <... write resumed>) = 1
[pid 5147] exit_group(0) = ?
[pid 5152] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5153 attached
) = 4
[pid 5153] set_robust_list(0x55555565f660, 24) = 0
[pid 5152] sendfile(4, 3, [118] <unfinished ...>
[pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5153
[pid 5153] setpgid(0, 0) = 0
[pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5147] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5154 attached
<unfinished ...>
[pid 5154] set_robust_list(0x55555565f660, 24) = 0
[pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5154] setpgid(0, 0) = 0
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5154
[pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5154] write(3, "1000", 4) = 4
[pid 5154] close(3) = 0
[pid 5154] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5154] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5154] sendfile(4, 3, [118] <unfinished ...>
[pid 5148] <... close resumed>) = 0
[pid 5153] write(3, "1000", 4) = 4
[pid 5153] close(3) = 0
[pid 5153] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5153] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5148] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5153] sendfile(4, 3, [118] <unfinished ...>
[pid 5150] <... write resumed>) = 2097152
[pid 5148] <... openat resumed>) = 5
[pid 5148] write(5, "t", 1 <unfinished ...>
[pid 5150] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5148] <... write resumed>) = 1
[pid 5148] exit_group(0 <unfinished ...>
[pid 5150] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5148] <... exit_group resumed>) = ?
[pid 5150] <... openat resumed>) = 6
[pid 5148] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5150] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5062] <... openat resumed>) = 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 5155 attached
<unfinished ...>
[pid 5150] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5155
[pid 5150] ioctl(6, LOOP_CLR_FD <unfinished ...>
[ 65.036993][ T5151] syz-executor299 (5151): drop_caches: 1
[pid 5155] set_robust_list(0x55555565f660, 24) = 0
[pid 5150] <... ioctl resumed>) = 0
[pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5150] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5155] <... prctl resumed>) = 0
[pid 5151] <... sendfile resumed> => [671], 553) = 553
[pid 5150] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5155] setpgid(0, 0 <unfinished ...>
[pid 5151] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5150] close(6 <unfinished ...>
[pid 5155] <... setpgid resumed>) = 0
[pid 5150] <... close resumed>) = 0
[pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5151] <... memfd_create resumed>) = 5
[pid 5150] close(5 <unfinished ...>
[pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[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 5155] sendfile(4, 3, [118] <unfinished ...>
[pid 5150] <... close resumed>) = 0
[pid 5150] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[ 65.087595][ T5153] syz-executor299 (5153): drop_caches: 1
[ 65.102716][ T5152] syz-executor299 (5152): drop_caches: 1
[ 65.120033][ T5154] syz-executor299 (5154): drop_caches: 1
[pid 5150] write(5, "t", 1 <unfinished ...>
[pid 5151] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5150] <... write resumed>) = 1
[pid 5150] exit_group(0) = ?
[pid 5150] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5156
./strace-static-x86_64: Process 5156 attached
[pid 5151] <... write resumed>) = 2097152
[pid 5151] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5156] set_robust_list(0x55555565f660, 24) = 0
[pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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 <unfinished ...>
[pid 5151] <... munmap resumed>) = 0
[pid 5156] <... write resumed>) = 4
[ 65.190127][ T5155] syz-executor299 (5155): drop_caches: 1
[pid 5151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5151] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5151] ioctl(6, LOOP_CLR_FD) = 0
[pid 5151] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5151] close(6) = 0
[pid 5151] close(5 <unfinished ...>
[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, [118] <unfinished ...>
[pid 5151] <... close resumed>) = 0
[pid 5154] <... sendfile resumed> => [671], 553) = 553
[pid 5151] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5154] memfd_create("syzkaller", 0) = 5
[pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5151] <... openat resumed>) = 5
[pid 5151] write(5, "t", 1 <unfinished ...>
[pid 5152] <... sendfile resumed> => [671], 553) = 553
[pid 5155] <... sendfile resumed> => [671], 553) = 553
[pid 5154] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5153] <... sendfile resumed> => [671], 553) = 553
[pid 5151] <... write resumed>) = 1
[pid 5151] exit_group(0) = ?
[pid 5155] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5151] +++ exited with 0 +++
[pid 5155] <... memfd_create resumed>) = 5
[pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5152] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5155] <... mmap resumed>) = 0x7f6e422e4000
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5153] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5152] <... memfd_create resumed>) = 5
[pid 5061] <... restart_syscall resumed>) = 0
[ 65.249937][ T5154] syz-executor299 (5154): drop_caches: 1
[ 65.279200][ T5153] syz-executor299 (5153): drop_caches: 1
[ 65.284310][ T5155] syz-executor299 (5155): drop_caches: 1
[ 65.285717][ T5152] syz-executor299 (5152): drop_caches: 1
[pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5153] <... memfd_create resumed>) = 5
[pid 5061] <... openat resumed>) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5153] <... mmap resumed>) = 0x7f6e422e4000
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5157
./strace-static-x86_64: Process 5157 attached
[pid 5157] set_robust_list(0x55555565f660, 24) = 0
[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, [118] <unfinished ...>
[pid 5152] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... write resumed>) = 2097152
[pid 5154] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5155] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 ...>
[ 65.330984][ T5156] syz-executor299 (5156): drop_caches: 1
[pid 5153] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... munmap resumed>) = 0
[pid 5152] <... write resumed>) = 2097152
[pid 5152] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5152] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5154] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5152] <... openat resumed>) = 6
[pid 5154] <... openat resumed>) = 6
[pid 5152] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5154] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5153] <... write resumed>) = 2097152
[pid 5152] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5152] ioctl(6, LOOP_CLR_FD) = 0
[pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5154] ioctl(6, LOOP_CLR_FD) = 0
[pid 5152] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5152] close(6) = 0
[pid 5152] close(5 <unfinished ...>
[pid 5155] <... write resumed>) = 2097152
[pid 5155] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5154] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5153] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5154] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5153] <... munmap resumed>) = 0
[pid 5154] close(6 <unfinished ...>
[pid 5155] <... munmap resumed>) = 0
[pid 5154] <... close resumed>) = 0
[pid 5155] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5154] close(5 <unfinished ...>
[pid 5155] <... openat resumed>) = 6
[pid 5156] <... sendfile resumed> => [671], 553) = 553
[pid 5155] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5153] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5153] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5155] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5153] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5153] ioctl(6, LOOP_CLR_FD) = 0
[pid 5153] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5153] close(6) = 0
[pid 5153] close(5 <unfinished ...>
[pid 5155] <... ioctl resumed>) = 0
[pid 5154] <... close resumed>) = 0
[pid 5153] <... close resumed>) = 0
[pid 5155] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5156] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5155] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5155] close(6) = 0
[pid 5155] close(5 <unfinished ...>
[pid 5152] <... close 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 5156] <... memfd_create resumed>) = 5
[pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5153] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5152] <... write resumed>) = 1
[pid 5153] <... openat resumed>) = 5
[pid 5152] exit_group(0 <unfinished ...>
[pid 5153] write(5, "t", 1 <unfinished ...>
[pid 5152] <... exit_group resumed>) = ?
[pid 5152] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5066] <... openat resumed>) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached
[ 65.452622][ T5156] syz-executor299 (5156): drop_caches: 1
[ 65.460219][ T5157] syz-executor299 (5157): drop_caches: 1
<unfinished ...>
[pid 5158] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5156] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5154] <... openat resumed>) = 5
[pid 5153] <... write resumed>) = 1
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5158
[pid 5157] <... sendfile resumed> => [671], 553) = 553
[pid 5155] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5154] write(5, "t", 1 <unfinished ...>
[pid 5153] exit_group(0) = ?
[pid 5157] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5155] <... openat resumed>) = 5
[pid 5153] +++ exited with 0 +++
[pid 5158] <... set_robust_list resumed>) = 0
[pid 5155] write(5, "t", 1 <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5158] <... prctl resumed>) = 0
[pid 5070] <... restart_syscall resumed>) = 0
[pid 5158] setpgid(0, 0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5158] <... setpgid resumed>) = 0
[pid 5070] <... close resumed>) = 0
[pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5157] <... memfd_create resumed>) = 5
[pid 5155] <... write resumed>) = 1
[pid 5154] <... write resumed>) = 1
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5155] exit_group(0) = ?
[pid 5157] <... mmap resumed>) = 0x7f6e422e4000
[pid 5155] +++ exited with 0 +++
[pid 5154] exit_group(0./strace-static-x86_64: Process 5159 attached
<unfinished ...>
[pid 5159] set_robust_list(0x55555565f660, 24) = 0
[pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5154] <... exit_group resumed>) = ?
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5159
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5159] setpgid(0, 0 <unfinished ...>
[pid 5158] write(3, "1000", 4 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5158] <... write resumed>) = 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 <unfinished ...>
[pid 5159] <... setpgid resumed>) = 0
[pid 5158] <... openat resumed>) = 4
[pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5158] sendfile(4, 3, [118] <unfinished ...>
[pid 5154] +++ exited with 0 +++
[pid 5159] <... openat resumed>) = 3
[pid 5062] <... openat resumed>) = 3
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5067] <... openat resumed>) = 3
[pid 5062] close(3 <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] <... close resumed>) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5067] <... close resumed>) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached
./strace-static-x86_64: Process 5161 attached
<unfinished ...>
[pid 5160] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5159] write(3, "1000", 4 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5161
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5160
[pid 5161] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5159] <... write resumed>) = 4
[pid 5161] <... set_robust_list resumed>) = 0
[pid 5159] close(3 <unfinished ...>
[pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5159] <... close resumed>) = 0
[pid 5161] <... prctl resumed>) = 0
[pid 5159] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5161] setpgid(0, 0 <unfinished ...>
[pid 5159] <... openat resumed>) = 3
[pid 5161] <... setpgid resumed>) = 0
[pid 5159] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5159] <... openat resumed>) = 4
[pid 5161] <... openat resumed>) = 3
[ 65.524209][ T5157] syz-executor299 (5157): drop_caches: 1
[pid 5159] sendfile(4, 3, [118] <unfinished ...>
[pid 5161] write(3, "1000", 4 <unfinished ...>
[pid 5160] <... set_robust_list resumed>) = 0
[pid 5157] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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>) = 4
[pid 5161] close(3 <unfinished ...>
[pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5157] <... write resumed>) = 2097152
[pid 5160] setpgid(0, 0 <unfinished ...>
[pid 5161] <... close resumed>) = 0
[pid 5160] <... setpgid resumed>) = 0
[pid 5157] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5161] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5157] <... munmap resumed>) = 0
[pid 5161] <... openat resumed>) = 3
[pid 5157] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5161] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5160] <... openat resumed>) = 3
[pid 5157] <... openat resumed>) = 6
[pid 5157] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5160] write(3, "1000", 4 <unfinished ...>
[pid 5161] sendfile(4, 3, [118] <unfinished ...>
[pid 5160] <... write resumed>) = 4
[pid 5157] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5160] close(3 <unfinished ...>
[pid 5157] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5160] <... close resumed>) = 0
[pid 5157] <... ioctl resumed>) = 0
[pid 5156] <... write resumed>) = 2097152
[pid 5160] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5160] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5157] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5157] close(6 <unfinished ...>
[pid 5156] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5160] <... openat resumed>) = 4
[pid 5157] <... close resumed>) = 0
[pid 5156] <... munmap resumed>) = 0
[pid 5160] sendfile(4, 3, [118] <unfinished ...>
[pid 5157] close(5 <unfinished ...>
[pid 5156] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 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] <... close resumed>) = 0
[pid 5156] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5157] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5156] close(6) = 0
[pid 5156] close(5 <unfinished ...>
[pid 5157] <... openat resumed>) = 5
[pid 5157] write(5, "t", 1) = 1
[pid 5157] exit_group(0) = ?
[pid 5157] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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 5162 attached
[ 65.653536][ T5159] syz-executor299 (5159): drop_caches: 1
[ 65.666531][ T5158] syz-executor299 (5158): drop_caches: 1
<unfinished ...>
[pid 5162] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5156] <... close resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5162
[pid 5162] <... set_robust_list resumed>) = 0
[pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5162] setpgid(0, 0) = 0
[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 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5162] write(3, "1000", 4) = 4
[pid 5162] close(3) = 0
[pid 5162] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5156] <... write resumed>) = 1
[pid 5156] exit_group(0) = ?
[pid 5156] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5063] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5163
./strace-static-x86_64: Process 5163 attached
[pid 5163] set_robust_list(0x55555565f660, 24) = 0
[pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5163] setpgid(0, 0) = 0
[pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5163] write(3, "1000", 4 <unfinished ...>
[pid 5162] <... openat resumed>) = 3
[pid 5163] <... write resumed>) = 4
[pid 5163] close(3 <unfinished ...>
[pid 5162] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5163] <... close resumed>) = 0
[pid 5163] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5162] <... openat resumed>) = 4
[pid 5163] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5162] sendfile(4, 3, [118] <unfinished ...>
[pid 5163] <... openat resumed>) = 4
[ 65.735202][ T5160] syz-executor299 (5160): drop_caches: 1
[ 65.749628][ T5161] syz-executor299 (5161): drop_caches: 1
[pid 5163] sendfile(4, 3, [118] <unfinished ...>
[pid 5159] <... sendfile resumed> => [671], 553) = 553
[pid 5159] memfd_create("syzkaller", 0) = 5
[pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5158] <... sendfile resumed> => [671], 553) = 553
[pid 5158] memfd_create("syzkaller", 0) = 5
[pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 65.790438][ T5159] syz-executor299 (5159): drop_caches: 1
[ 65.807504][ T5158] syz-executor299 (5158): drop_caches: 1
[pid 5158] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5159] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... sendfile resumed> => [671], 553) = 553
[pid 5161] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5160] <... sendfile resumed> => [671], 553) = 553
[pid 5158] <... write resumed>) = 2097152
[pid 5161] <... memfd_create resumed>) = 5
[pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5160] memfd_create("syzkaller", 0 <unfinished ...>
[ 65.861084][ T5163] syz-executor299 (5163): drop_caches: 1
[ 65.870628][ T5162] syz-executor299 (5162): drop_caches: 1
[ 65.872268][ T5161] syz-executor299 (5161): drop_caches: 1
[ 65.894241][ T5160] syz-executor299 (5160): drop_caches: 1
[pid 5158] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5160] <... memfd_create resumed>) = 5
[pid 5159] <... write resumed>) = 2097152
[pid 5158] <... munmap resumed>) = 0
[pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5158] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5158] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5158] ioctl(6, LOOP_CLR_FD) = 0
[pid 5158] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5158] close(6) = 0
[pid 5158] close(5 <unfinished ...>
[pid 5159] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5162] <... sendfile resumed> => [671], 553) = 553
[pid 5160] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5159] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5162] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5161] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5162] <... memfd_create resumed>) = 5
[pid 5159] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5159] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5162] <... mmap resumed>) = 0x7f6e422e4000
[pid 5159] <... ioctl resumed>) = 0
[pid 5163] <... sendfile resumed> => [671], 553) = 553
[pid 5158] <... close resumed>) = 0
[pid 5158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5159] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5159] close(6) = 0
[pid 5158] <... openat resumed>) = 5
[pid 5159] close(5 <unfinished ...>
[pid 5158] write(5, "t", 1 <unfinished ...>
[pid 5163] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5160] <... write resumed>) = 2097152
[pid 5159] <... close resumed>) = 0
[pid 5163] <... memfd_create resumed>) = 5
[ 65.947383][ T5162] syz-executor299 (5162): drop_caches: 1
[ 65.982613][ T5163] syz-executor299 (5163): drop_caches: 1
[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\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5159] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5158] <... write resumed>) = 1
[pid 5163] <... mmap resumed>) = 0x7f6e422e4000
[pid 5158] exit_group(0) = ?
[pid 5161] <... write resumed>) = 2097152
[pid 5159] <... openat resumed>) = 5
[pid 5158] +++ exited with 0 +++
[pid 5159] write(5, "t", 1 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached
<unfinished ...>
[pid 5164] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5161] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5164] <... set_robust_list resumed>) = 0
[pid 5161] <... munmap resumed>) = 0
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5164
[pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5164] setpgid(0, 0) = 0
[pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5160] <... munmap resumed>) = 0
[pid 5164] <... openat resumed>) = 3
[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, [118] <unfinished ...>
[pid 5160] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5161] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5161] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5161] ioctl(6, LOOP_CLR_FD) = 0
[pid 5160] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5161] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5161] close(6 <unfinished ...>
[pid 5163] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5160] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5159] <... write resumed>) = 1
[pid 5160] ioctl(6, LOOP_CLR_FD) = 0
[pid 5159] exit_group(0) = ?
[pid 5161] close(5 <unfinished ...>
[pid 5162] <... write resumed>) = 2097152
[pid 5159] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5160] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5160] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] <... munmap resumed>) = 0
[pid 5160] close(6 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5160] <... close resumed>) = 0
[pid 5160] close(5 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached
<unfinished ...>
[pid 5161] <... close resumed>) = 0
[pid 5160] <... close resumed>) = 0
[pid 5165] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5165
[pid 5165] <... set_robust_list resumed>) = 0
[pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5165] setpgid(0, 0 <unfinished ...>
[pid 5160] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5165] <... setpgid resumed>) = 0
[pid 5162] <... openat resumed>) = 6
[pid 5160] <... openat resumed>) = 5
[pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5160] write(5, "t", 1 <unfinished ...>
[pid 5162] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5165] <... openat resumed>) = 3
[pid 5163] <... write resumed>) = 2097152
[pid 5162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5161] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5160] <... write resumed>) = 1
[pid 5165] write(3, "1000", 4 <unfinished ...>
[pid 5163] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5162] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5160] exit_group(0 <unfinished ...>
[pid 5162] <... ioctl resumed>) = 0
[pid 5160] <... exit_group resumed>) = ?
[pid 5163] <... munmap resumed>) = 0
[pid 5160] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid 5165] <... write resumed>) = 4
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5165] close(3) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5165] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5162] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5161] <... openat resumed>) = 5
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5165] <... openat resumed>) = 3
[pid 5163] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5162] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5161] write(5, "t", 1 <unfinished ...>
[pid 5163] <... openat resumed>) = 6
[pid 5162] close(6 <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5163] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] <... close resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5162] close(5 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5165] 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 <unfinished ...>
[pid 5165] <... openat resumed>) = 4
[pid 5165] sendfile(4, 3, [118]./strace-static-x86_64: Process 5166 attached
<unfinished ...>
[pid 5166] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5166
[pid 5166] <... set_robust_list resumed>) = 0
[pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5163] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5163] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5166] <... prctl resumed>) = 0
[pid 5166] setpgid(0, 0 <unfinished ...>
[pid 5163] <... ioctl resumed>) = 0
[pid 5161] <... write resumed>) = 1
[pid 5166] <... setpgid resumed>) = 0
[pid 5161] exit_group(0 <unfinished ...>
[pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5161] <... exit_group resumed>) = ?
[pid 5166] <... openat resumed>) = 3
[pid 5162] <... close resumed>) = 0
[pid 5161] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5166] write(3, "1000", 4 <unfinished ...>
[pid 5163] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5162] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5166] <... write resumed>) = 4
[pid 5163] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5162] <... openat resumed>) = 5
[pid 5067] <... openat resumed>) = 3
[pid 5162] write(5, "t", 1 <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5166] close(3 <unfinished ...>
[pid 5163] close(6 <unfinished ...>
[pid 5166] <... close resumed>) = 0
[pid 5163] <... close resumed>) = 0
[pid 5067] <... close resumed>) = 0
[pid 5166] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5163] close(5 <unfinished ...>
[pid 5162] <... write resumed>) = 1
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached
<unfinished ...>
[pid 5162] exit_group(0 <unfinished ...>
[pid 5166] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5162] <... exit_group resumed>) = ?
[pid 5167] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5167
[pid 5167] <... set_robust_list resumed>) = 0
[pid 5166] <... openat resumed>) = 4
[pid 5162] +++ exited with 0 +++
[pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5166] sendfile(4, 3, [118] <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5167] <... prctl resumed>) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5167] setpgid(0, 0 <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5167] <... setpgid resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5167] <... openat resumed>) = 3
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5168 attached
<unfinished ...>
[pid 5168] set_robust_list(0x55555565f660, 24) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5168
[pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5168] setpgid(0, 0) = 0
[pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5168] write(3, "1000", 4) = 4
[pid 5168] close(3) = 0
[pid 5168] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5168] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5167] write(3, "1000", 4 <unfinished ...>
[pid 5168] sendfile(4, 3, [118] <unfinished ...>
[pid 5167] <... write resumed>) = 4
[pid 5167] close(3) = 0
[ 66.156717][ T5164] syz-executor299 (5164): drop_caches: 1
[pid 5167] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5163] <... close resumed>) = 0
[pid 5167] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5163] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5167] sendfile(4, 3, [118] <unfinished ...>
[pid 5163] <... openat resumed>) = 5
[pid 5163] write(5, "t", 1 <unfinished ...>
[pid 5164] <... sendfile resumed> => [671], 553) = 553
[ 66.255638][ T5165] syz-executor299 (5165): drop_caches: 1
[ 66.269300][ T5164] syz-executor299 (5164): drop_caches: 1
[pid 5164] memfd_create("syzkaller", 0) = 5
[pid 5164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5163] <... write resumed>) = 1
[pid 5163] exit_group(0) = ?
[pid 5163] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached
, child_tidptr=0x55555565f650) = 5169
[pid 5169] set_robust_list(0x55555565f660, 24) = 0
[pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5169] setpgid(0, 0) = 0
[pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5169] write(3, "1000", 4) = 4
[ 66.310648][ T5166] syz-executor299 (5166): drop_caches: 1
[ 66.313398][ T5168] syz-executor299 (5168): drop_caches: 1
[ 66.344963][ T5167] syz-executor299 (5167): drop_caches: 1
[pid 5169] close(3) = 0
[pid 5169] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5164] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5169] <... openat resumed>) = 3
[pid 5169] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5169] sendfile(4, 3, [118] <unfinished ...>
[pid 5165] <... sendfile resumed> => [671], 553) = 553
[pid 5165] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5168] <... sendfile resumed> => [671], 553) = 553
[pid 5165] <... memfd_create resumed>) = 5
[pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 66.365470][ T5165] syz-executor299 (5165): drop_caches: 1
[ 66.387360][ T5166] syz-executor299 (5166): drop_caches: 1
[ 66.396104][ T5168] syz-executor299 (5168): drop_caches: 1
[pid 5168] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5167] <... sendfile resumed> => [671], 553) = 553
[pid 5166] <... sendfile resumed> => [671], 553) = 553
[pid 5164] <... write resumed>) = 2097152
[pid 5164] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5168] <... memfd_create resumed>) = 5
[pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5167] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5166] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5165] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... munmap resumed>) = 0
[pid 5166] <... memfd_create resumed>) = 5
[pid 5164] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5164] <... openat resumed>) = 6
[pid 5166] <... mmap resumed>) = 0x7f6e422e4000
[pid 5164] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5164] ioctl(6, LOOP_CLR_FD) = 0
[pid 5167] <... memfd_create resumed>) = 5
[pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5164] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5167] <... mmap resumed>) = 0x7f6e422e4000
[pid 5164] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5164] close(6) = 0
[pid 5168] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] close(5 <unfinished ...>
[pid 5165] <... write resumed>) = 2097152
[pid 5164] <... close resumed>) = 0
[pid 5165] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5164] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5166] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... openat resumed>) = 5
[pid 5164] write(5, "t", 1) = 1
[ 66.422568][ T5167] syz-executor299 (5167): drop_caches: 1
[ 66.451842][ T5169] syz-executor299 (5169): drop_caches: 1
[pid 5164] exit_group(0) = ?
[pid 5167] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... write resumed>) = 2097152
[pid 5165] <... munmap resumed>) = 0
[pid 5164] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5166] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5170
[pid 5166] <... munmap resumed>) = 0
[pid 5165] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 5170 attached
<unfinished ...>
[pid 5166] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5165] <... openat resumed>) = 6
[pid 5170] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5166] <... openat resumed>) = 6
[pid 5165] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5170] <... set_robust_list resumed>) = 0
[pid 5166] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5165] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5166] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5165] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5170] <... prctl resumed>) = 0
[pid 5166] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5165] <... ioctl resumed>) = 0
[pid 5170] setpgid(0, 0 <unfinished ...>
[pid 5166] <... ioctl resumed>) = 0
[pid 5170] <... setpgid resumed>) = 0
[pid 5167] <... write resumed>) = 2097152
[pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5168] <... write resumed>) = 2097152
[pid 5167] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5170] write(3, "1000", 4 <unfinished ...>
[pid 5166] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5165] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5170] <... write resumed>) = 4
[pid 5170] close(3 <unfinished ...>
[pid 5167] <... munmap resumed>) = 0
[pid 5166] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5165] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5170] <... close resumed>) = 0
[pid 5166] close(6 <unfinished ...>
[pid 5165] close(6 <unfinished ...>
[pid 5170] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5166] <... close resumed>) = 0
[pid 5165] <... close resumed>) = 0
[pid 5170] <... openat resumed>) = 3
[pid 5166] close(5 <unfinished ...>
[pid 5165] close(5 <unfinished ...>
[pid 5170] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5168] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5168] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5170] <... openat resumed>) = 4
[pid 5168] <... openat resumed>) = 6
[pid 5170] sendfile(4, 3, [118] <unfinished ...>
[pid 5168] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5167] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5168] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5167] <... openat resumed>) = 6
[pid 5168] <... ioctl resumed>) = 0
[pid 5168] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5168] close(6) = 0
[pid 5168] close(5 <unfinished ...>
[pid 5166] <... close resumed>) = 0
[pid 5167] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5165] <... close resumed>) = 0
[pid 5167] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5167] ioctl(6, LOOP_CLR_FD) = 0
[pid 5167] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5167] close(6 <unfinished ...>
[pid 5168] <... close resumed>) = 0
[pid 5169] <... sendfile resumed> => [671], 553) = 553
[pid 5167] <... close resumed>) = 0
[pid 5166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5165] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5167] close(5 <unfinished ...>
[pid 5168] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5168] write(5, "t", 1 <unfinished ...>
[pid 5167] <... close resumed>) = 0
[pid 5165] <... openat resumed>) = 5
[pid 5169] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5166] <... openat resumed>) = 5
[pid 5165] write(5, "t", 1 <unfinished ...>
[pid 5169] <... memfd_create resumed>) = 5
[pid 5166] write(5, "t", 1 <unfinished ...>
[pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5167] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5168] <... write resumed>) = 1
[pid 5168] exit_group(0) = ?
[pid 5169] <... mmap resumed>) = 0x7f6e422e4000
[pid 5167] <... openat resumed>) = 5
[pid 5166] <... write resumed>) = 1
[pid 5165] <... write resumed>) = 1
[pid 5166] exit_group(0 <unfinished ...>
[pid 5165] exit_group(0 <unfinished ...>
[pid 5167] write(5, "t", 1 <unfinished ...>
[pid 5166] <... exit_group resumed>) = ?
[pid 5165] <... exit_group resumed>) = ?
[pid 5166] +++ exited with 0 +++
[pid 5165] +++ exited with 0 +++
[pid 5168] +++ exited with 0 +++
[pid 5167] <... write resumed>) = 1
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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=0x55555565f650) = 5171
./strace-static-x86_64: Process 5171 attached
[pid 5171] set_robust_list(0x55555565f660, 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 5061] <... restart_syscall resumed>) = 0
[pid 5171] write(3, "1000", 4 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5171] <... write resumed>) = 4
[pid 5061] <... openat resumed>) = 3
[pid 5171] close(3 <unfinished ...>
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5171] <... close resumed>) = 0
[pid 5061] <... ioctl resumed>) = 0
[pid 5171] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5171] <... openat resumed>) = 3
[pid 5171] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5171] <... openat resumed>) = 4
[pid 5171] sendfile(4, 3, [118] <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[ 66.601590][ T5169] syz-executor299 (5169): drop_caches: 1
[pid 5167] exit_group(0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5167] <... exit_group resumed>) = ?
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5172
[pid 5169] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
./strace-static-x86_64: Process 5172 attached
[pid 5070] <... openat resumed>) = 3
[pid 5067] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5172] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5067] <... restart_syscall resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5172] <... set_robust_list resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5172] <... prctl resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached
<unfinished ...>
[pid 5172] setpgid(0, 0 <unfinished ...>
[pid 5174] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5172] <... setpgid resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5174
[pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5173
./strace-static-x86_64: Process 5173 attached
[pid 5174] <... set_robust_list resumed>) = 0
[pid 5172] write(3, "1000", 4 <unfinished ...>
[pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5172] <... write resumed>) = 4
[pid 5174] <... prctl resumed>) = 0
[pid 5173] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5172] close(3 <unfinished ...>
[pid 5169] <... write resumed>) = 2097152
[pid 5172] <... close resumed>) = 0
[pid 5174] setpgid(0, 0) = 0
[pid 5172] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5169] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5172] <... openat resumed>) = 3
[pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5173] <... set_robust_list resumed>) = 0
[pid 5172] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5169] <... munmap resumed>) = 0
[pid 5174] <... openat resumed>) = 3
[pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5174] write(3, "1000", 4 <unfinished ...>
[pid 5173] <... prctl resumed>) = 0
[pid 5172] <... openat resumed>) = 4
[pid 5169] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5173] setpgid(0, 0 <unfinished ...>
[pid 5172] sendfile(4, 3, [118] <unfinished ...>
[pid 5169] <... openat resumed>) = 6
[pid 5174] <... write resumed>) = 4
[pid 5174] close(3 <unfinished ...>
[pid 5173] <... setpgid resumed>) = 0
[pid 5169] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5169] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5173] <... openat resumed>) = 3
[ 66.662080][ T5170] syz-executor299 (5170): drop_caches: 1
[pid 5173] write(3, "1000", 4 <unfinished ...>
[pid 5169] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5174] <... close resumed>) = 0
[pid 5173] <... write resumed>) = 4
[pid 5173] close(3) = 0
[pid 5173] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5174] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5173] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5170] <... sendfile resumed> => [671], 553) = 553
[pid 5169] <... ioctl resumed>) = 0
[pid 5174] <... openat resumed>) = 3
[pid 5173] <... openat resumed>) = 4
[pid 5174] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5173] sendfile(4, 3, [118] <unfinished ...>
[pid 5174] <... openat resumed>) = 4
[pid 5174] sendfile(4, 3, [118] <unfinished ...>
[pid 5169] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5169] close(6 <unfinished ...>
[pid 5170] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5169] <... close resumed>) = 0
[pid 5169] close(5 <unfinished ...>
[pid 5170] <... memfd_create resumed>) = 5
[pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5169] <... close resumed>) = 0
[pid 5170] <... mmap resumed>) = 0x7f6e422e4000
[pid 5169] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[ 66.729675][ T5170] syz-executor299 (5170): drop_caches: 1
[ 66.734681][ T5171] syz-executor299 (5171): drop_caches: 1
[pid 5169] write(5, "t", 1 <unfinished ...>
[pid 5170] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5169] <... write resumed>) = 1
[pid 5169] exit_group(0) = ?
[pid 5169] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[ 66.800657][ T5172] syz-executor299 (5172): drop_caches: 1
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached
, child_tidptr=0x55555565f650) = 5175
[pid 5175] set_robust_list(0x55555565f660, 24) = 0
[pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5175] setpgid(0, 0) = 0
[pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5170] <... write resumed>) = 2097152
[pid 5170] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5175] <... openat resumed>) = 3
[pid 5170] <... munmap resumed>) = 0
[pid 5175] write(3, "1000", 4) = 4
[pid 5175] close(3) = 0
[pid 5175] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5170] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5170] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5170] ioctl(6, LOOP_CLR_FD) = 0
[ 66.859690][ T5174] syz-executor299 (5174): drop_caches: 1
[ 66.879491][ T5173] syz-executor299 (5173): drop_caches: 1
[pid 5170] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5170] close(6 <unfinished ...>
[pid 5175] <... openat resumed>) = 3
[pid 5170] <... close resumed>) = 0
[pid 5170] close(5) = 0
[pid 5170] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5175] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5170] <... openat resumed>) = 5
[pid 5170] write(5, "t", 1 <unfinished ...>
[pid 5175] <... openat resumed>) = 4
[pid 5172] <... sendfile resumed> => [671], 553) = 553
[pid 5175] sendfile(4, 3, [118] <unfinished ...>
[pid 5171] <... sendfile resumed> => [671], 553) = 553
[pid 5170] <... write resumed>) = 1
[pid 5170] exit_group(0) = ?
[pid 5171] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5170] +++ exited with 0 +++
[pid 5066] --- 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=8 /* 0.08 s */} ---
[pid 5172] memfd_create("syzkaller", 0) = 5
[pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5171] <... memfd_create resumed>) = 5
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5172] <... mmap resumed>) = 0x7f6e422e4000
[pid 5171] <... mmap resumed>) = 0x7f6e422e4000
[pid 5066] <... openat resumed>) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[ 66.907024][ T5171] syz-executor299 (5171): drop_caches: 1
[ 66.925019][ T5172] syz-executor299 (5172): drop_caches: 1
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached
<unfinished ...>
[pid 5176] set_robust_list(0x55555565f660, 24) = 0
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5176
[pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5171] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... prctl resumed>) = 0
[pid 5176] setpgid(0, 0) = 0
[pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5172] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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(3, "1000", 4) = 4
[pid 5173] <... sendfile resumed> => [671], 553) = 553
[pid 5176] close(3) = 0
[pid 5176] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5174] <... sendfile resumed> => [671], 553) = 553
[pid 5174] memfd_create("syzkaller", 0) = 5
[pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 66.995386][ T5174] syz-executor299 (5174): drop_caches: 1
[ 67.032061][ T5173] syz-executor299 (5173): drop_caches: 1
[pid 5176] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5171] <... write resumed>) = 2097152
[pid 5176] <... openat resumed>) = 4
[pid 5176] sendfile(4, 3, [118] <unfinished ...>
[pid 5172] <... write resumed>) = 2097152
[pid 5174] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5172] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5171] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5172] <... munmap resumed>) = 0
[pid 5172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5172] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5172] ioctl(6, LOOP_CLR_FD) = 0
[pid 5173] <... memfd_create resumed>) = 5
[pid 5172] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5171] <... munmap resumed>) = 0
[ 67.043204][ T5175] syz-executor299 (5175): drop_caches: 1
[pid 5172] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5172] close(6 <unfinished ...>
[pid 5173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5172] <... close resumed>) = 0
[pid 5171] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5172] close(5 <unfinished ...>
[pid 5174] <... write resumed>) = 2097152
[pid 5173] <... mmap resumed>) = 0x7f6e422e4000
[pid 5172] <... close resumed>) = 0
[pid 5171] <... openat resumed>) = 6
[pid 5174] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5174] <... munmap resumed>) = 0
[pid 5172] <... openat resumed>) = 5
[pid 5171] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5174] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5172] write(5, "t", 1 <unfinished ...>
[pid 5171] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5174] <... openat resumed>) = 6
[pid 5171] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5174] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5171] <... ioctl resumed>) = 0
[pid 5174] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5174] ioctl(6, LOOP_CLR_FD) = 0
[pid 5171] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5174] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5174] close(6 <unfinished ...>
[pid 5171] close(6 <unfinished ...>
[pid 5174] <... close resumed>) = 0
[pid 5171] <... close resumed>) = 0
[pid 5171] close(5 <unfinished ...>
[pid 5174] close(5 <unfinished ...>
[pid 5172] <... write resumed>) = 1
[pid 5172] exit_group(0) = ?
[pid 5172] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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 5177 attached
, child_tidptr=0x55555565f650) = 5177
[pid 5174] <... close resumed>) = 0
[pid 5177] set_robust_list(0x55555565f660, 24) = 0
[pid 5174] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5174] <... openat resumed>) = 5
[ 67.094971][ T5176] syz-executor299 (5176): drop_caches: 1
[pid 5174] write(5, "t", 1 <unfinished ...>
[pid 5177] <... prctl resumed>) = 0
[pid 5174] <... write resumed>) = 1
[pid 5174] exit_group(0) = ?
[pid 5174] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5177] setpgid(0, 0./strace-static-x86_64: Process 5178 attached
) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5178
[pid 5178] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5173] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5178] <... set_robust_list resumed>) = 0
[pid 5177] <... openat resumed>) = 3
[pid 5175] <... sendfile resumed> => [671], 553) = 553
[pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5177] write(3, "1000", 4 <unfinished ...>
[pid 5175] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5178] <... prctl resumed>) = 0
[pid 5177] <... write resumed>) = 4
[pid 5178] setpgid(0, 0 <unfinished ...>
[pid 5177] close(3 <unfinished ...>
[pid 5178] <... setpgid resumed>) = 0
[pid 5177] <... close resumed>) = 0
[pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5177] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5171] <... openat resumed>) = 5
[pid 5177] <... openat resumed>) = 3
[pid 5178] write(3, "1000", 4) = 4
[pid 5178] close(3 <unfinished ...>
[pid 5177] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5175] <... memfd_create resumed>) = 5
[pid 5173] <... write resumed>) = 2097152
[pid 5171] write(5, "t", 1 <unfinished ...>
[pid 5178] <... close resumed>) = 0
[pid 5178] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5177] <... openat resumed>) = 4
[pid 5175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5173] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5178] <... openat resumed>) = 3
[pid 5175] <... mmap resumed>) = 0x7f6e422e4000
[pid 5178] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5177] sendfile(4, 3, [118] <unfinished ...>
[pid 5171] <... write resumed>) = 1
[pid 5173] <... munmap resumed>) = 0
[pid 5171] exit_group(0 <unfinished ...>
[pid 5178] <... openat resumed>) = 4
[pid 5175] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... exit_group resumed>) = ?
[ 67.178796][ T5175] syz-executor299 (5175): drop_caches: 1
[pid 5171] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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=0x55555565f650) = 5179
./strace-static-x86_64: Process 5179 attached
[pid 5178] sendfile(4, 3, [118] <unfinished ...>
[pid 5176] <... sendfile resumed> => [671], 553) = 553
[pid 5173] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5179] set_robust_list(0x55555565f660, 24) = 0
[pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5173] <... openat resumed>) = 6
[pid 5179] <... prctl resumed>) = 0
[pid 5179] setpgid(0, 0) = 0
[pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5179] write(3, "1000", 4) = 4
[pid 5179] close(3) = 0
[pid 5179] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5179] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5179] sendfile(4, 3, [118] <unfinished ...>
[pid 5173] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5173] ioctl(6, LOOP_CLR_FD) = 0
[pid 5176] memfd_create("syzkaller", 0) = 5
[pid 5173] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5173] close(6) = 0
[pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5175] <... write resumed>) = 2097152
[ 67.241097][ T5176] syz-executor299 (5176): drop_caches: 1
[pid 5173] close(5 <unfinished ...>
[pid 5175] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5176] <... mmap resumed>) = 0x7f6e422e4000
[pid 5175] <... munmap resumed>) = 0
[pid 5175] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5175] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5175] ioctl(6, LOOP_CLR_FD) = 0
[pid 5173] <... close resumed>) = 0
[pid 5173] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5175] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5175] close(6 <unfinished ...>
[pid 5176] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] <... close resumed>) = 0
[pid 5175] close(5 <unfinished ...>
[pid 5173] <... openat resumed>) = 5
[pid 5175] <... close resumed>) = 0
[ 67.332722][ T5177] syz-executor299 (5177): drop_caches: 1
[ 67.343717][ T5178] syz-executor299 (5178): drop_caches: 1
[pid 5173] write(5, "t", 1) = 1
[pid 5173] exit_group(0) = ?
[pid 5173] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5180 attached
<unfinished ...>
[pid 5180] set_robust_list(0x55555565f660, 24) = 0
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5180
[pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5180] setpgid(0, 0) = 0
[pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5175] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5180] <... openat resumed>) = 3
[pid 5175] <... openat resumed>) = 5
[pid 5180] write(3, "1000", 4 <unfinished ...>
[pid 5176] <... write resumed>) = 2097152
[pid 5175] write(5, "t", 1 <unfinished ...>
[pid 5180] <... write resumed>) = 4
[pid 5180] close(3) = 0
[pid 5180] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5180] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5175] <... write resumed>) = 1
[pid 5180] <... openat resumed>) = 4
[pid 5175] exit_group(0 <unfinished ...>
[pid 5180] sendfile(4, 3, [118] <unfinished ...>
[pid 5175] <... exit_group resumed>) = ?
[ 67.375859][ T5179] syz-executor299 (5179): drop_caches: 1
[pid 5175] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5176] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached
<unfinished ...>
[pid 5181] set_robust_list(0x55555565f660, 24) = 0
[pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5181
[pid 5181] setpgid(0, 0) = 0
[pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5181] write(3, "1000", 4) = 4
[pid 5181] close(3) = 0
[pid 5181] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5181] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5181] sendfile(4, 3, [118] <unfinished ...>
[pid 5176] <... munmap resumed>) = 0
[pid 5176] openat(AT_FDCWD, "/dev/loop3", 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 5176] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5176] close(6 <unfinished ...>
[pid 5178] <... sendfile resumed> => [671], 553) = 553
[pid 5177] <... sendfile resumed> => [671], 553) = 553
[pid 5176] <... close resumed>) = 0
[pid 5179] <... sendfile resumed> => [671], 553) = 553
[pid 5178] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5177] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5176] close(5 <unfinished ...>
[pid 5179] memfd_create("syzkaller", 0) = 5
[pid 5179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5177] <... memfd_create resumed>) = 5
[ 67.465018][ T5178] syz-executor299 (5178): drop_caches: 1
[ 67.480685][ T5179] syz-executor299 (5179): drop_caches: 1
[ 67.483668][ T5177] syz-executor299 (5177): drop_caches: 1
[pid 5178] <... memfd_create resumed>) = 5
[pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5176] <... close resumed>) = 0
[pid 5176] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5176] write(5, "t", 1 <unfinished ...>
[pid 5178] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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>) = 1
[pid 5176] exit_group(0) = ?
[pid 5177] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] +++ exited with 0 +++
[ 67.519946][ T5180] syz-executor299 (5180): drop_caches: 1
[ 67.549928][ T5181] syz-executor299 (5181): drop_caches: 1
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5179] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5066] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5178] <... write resumed>) = 2097152
[pid 5177] <... write resumed>) = 2097152
[pid 5178] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5177] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5178] <... munmap resumed>) = 0
[pid 5177] <... munmap resumed>) = 0
[pid 5066] <... openat resumed>) = 3
[pid 5178] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5179] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5178] <... openat resumed>) = 6
[pid 5177] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5178] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5177] <... openat resumed>) = 6
[pid 5066] close(3 <unfinished ...>
[pid 5178] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5177] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5178] <... ioctl resumed>) = 0
[pid 5177] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5066] <... close resumed>) = 0
[pid 5179] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5180] <... sendfile resumed> => [671], 553) = 553
[pid 5179] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5177] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5179] ioctl(6, LOOP_CLR_FD) = 0
./strace-static-x86_64: Process 5182 attached
[pid 5180] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5177] <... ioctl resumed>) = 0
[pid 5182] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5180] <... memfd_create resumed>) = 5
[pid 5178] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5182
[pid 5182] <... set_robust_list resumed>) = 0
[pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5178] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5180] <... mmap resumed>) = 0x7f6e422e4000
[pid 5179] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5178] close(6 <unfinished ...>
[pid 5181] <... sendfile resumed> => [671], 553) = 553
[pid 5179] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5178] <... close resumed>) = 0
[pid 5177] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5182] <... prctl resumed>) = 0
[pid 5179] close(6 <unfinished ...>
[pid 5178] close(5 <unfinished ...>
[pid 5177] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5182] setpgid(0, 0 <unfinished ...>
[pid 5179] <... close resumed>) = 0
[pid 5177] close(6 <unfinished ...>
[pid 5182] <... setpgid resumed>) = 0
[pid 5179] close(5 <unfinished ...>
[pid 5177] <... close resumed>) = 0
[pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5177] close(5 <unfinished ...>
[pid 5179] <... close resumed>) = 0
[pid 5177] <... close resumed>) = 0
[pid 5181] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5182] <... openat resumed>) = 3
[pid 5181] <... memfd_create resumed>) = 5
[pid 5178] <... close resumed>) = 0
[pid 5182] write(3, "1000", 4) = 4
[ 67.625698][ T5180] syz-executor299 (5180): drop_caches: 1
[ 67.634965][ T5181] syz-executor299 (5181): drop_caches: 1
[pid 5182] close(3) = 0
[pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5182] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5181] <... mmap resumed>) = 0x7f6e422e4000
[pid 5182] <... openat resumed>) = 3
[pid 5182] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5178] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5182] sendfile(4, 3, [118] <unfinished ...>
[pid 5178] <... openat resumed>) = 5
[pid 5178] write(5, "t", 1 <unfinished ...>
[pid 5177] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5177] write(5, "t", 1 <unfinished ...>
[pid 5179] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5178] <... write resumed>) = 1
[pid 5178] exit_group(0) = ?
[pid 5178] +++ exited with 0 +++
[pid 5177] <... write resumed>) = 1
[pid 5177] exit_group(0) = ?
[pid 5177] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5179] <... openat resumed>) = 5
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
[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 5183 attached
<unfinished ...>
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5183] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5183
[pid 5183] <... set_robust_list resumed>) = 0
[pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5183] setpgid(0, 0) = 0
[pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5183] <... openat resumed>) = 3
[pid 5179] write(5, "t", 1 <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5183] write(3, "1000", 4 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5183] <... write resumed>) = 4
[pid 5183] close(3 <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5183] <... close resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5183] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5070] <... close resumed>) = 0
[pid 5183] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5183] sendfile(4, 3, [118]./strace-static-x86_64: Process 5184 attached
<unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5184
[pid 5184] set_robust_list(0x55555565f660, 24) = 0
[pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5179] <... write resumed>) = 1
[pid 5184] <... prctl resumed>) = 0
[pid 5179] exit_group(0 <unfinished ...>
[pid 5184] setpgid(0, 0 <unfinished ...>
[pid 5179] <... exit_group resumed>) = ?
[pid 5184] <... setpgid resumed>) = 0
[pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5180] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5184] write(3, "1000", 4) = 4
[pid 5184] close(3) = 0
[pid 5184] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5184] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5179] +++ exited with 0 +++
[pid 5184] <... openat resumed>) = 4
[pid 5184] sendfile(4, 3, [118] <unfinished ...>
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} ---
[pid 5181] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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 5185 attached
<unfinished ...>
[pid 5185] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5185
[pid 5185] <... set_robust_list resumed>) = 0
[pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5180] <... write resumed>) = 2097152
[pid 5185] <... prctl resumed>) = 0
[pid 5185] setpgid(0, 0) = 0
[pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5181] <... write resumed>) = 2097152
[pid 5185] <... openat resumed>) = 3
[pid 5181] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5185] write(3, "1000", 4) = 4
[pid 5185] close(3 <unfinished ...>
[pid 5181] <... munmap resumed>) = 0
[pid 5180] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5185] <... close resumed>) = 0
[pid 5185] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5180] <... munmap resumed>) = 0
[pid 5185] <... openat resumed>) = 3
[pid 5180] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5185] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5180] <... openat resumed>) = 6
[pid 5180] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5185] <... openat resumed>) = 4
[pid 5180] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5180] ioctl(6, LOOP_CLR_FD) = 0
[pid 5185] sendfile(4, 3, [118] <unfinished ...>
[pid 5181] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid 5181] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5180] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5180] close(6) = 0
[pid 5180] close(5) = 0
[pid 5181] ioctl(6, LOOP_CLR_FD) = 0
[pid 5180] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5180] write(5, "t", 1) = 1
[pid 5181] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5180] exit_group(0 <unfinished ...>
[pid 5181] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5180] <... exit_group resumed>) = ?
[pid 5181] close(6 <unfinished ...>
[pid 5180] +++ exited with 0 +++
[pid 5181] <... close resumed>) = 0
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5181] close(5 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5181] <... close resumed>) = 0
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5181] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5067] <... ioctl resumed>) = 0
[pid 5181] <... openat resumed>) = 5
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5181] write(5, "t", 1./strace-static-x86_64: Process 5186 attached
<unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5186
[pid 5181] <... write resumed>) = 1
[ 67.822956][ T5182] syz-executor299 (5182): drop_caches: 1
[ 67.833401][ T5183] syz-executor299 (5183): drop_caches: 1
[ 67.838450][ T5184] syz-executor299 (5184): drop_caches: 1
[pid 5181] exit_group(0 <unfinished ...>
[pid 5186] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5181] <... exit_group resumed>) = ?
[pid 5181] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5186] <... set_robust_list resumed>) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5186] <... prctl resumed>) = 0
[pid 5063] <... ioctl resumed>) = 0
[pid 5186] setpgid(0, 0 <unfinished ...>
[pid 5063] close(3 <unfinished ...>
[pid 5186] <... setpgid resumed>) = 0
[pid 5063] <... close resumed>) = 0
[pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5186] <... openat resumed>) = 3
./strace-static-x86_64: Process 5187 attached
[pid 5186] write(3, "1000", 4 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5187
[pid 5186] <... write resumed>) = 4
[pid 5186] close(3) = 0
[pid 5187] set_robust_list(0x55555565f660, 24) = 0
[pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5187] setpgid(0, 0) = 0
[pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5186] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5187] write(3, "1000", 4 <unfinished ...>
[pid 5186] <... openat resumed>) = 3
[pid 5187] <... write resumed>) = 4
[pid 5187] close(3) = 0
[pid 5187] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5186] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5182] <... sendfile resumed> => [671], 553) = 553
[pid 5187] <... openat resumed>) = 3
[pid 5186] <... openat resumed>) = 4
[pid 5187] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5186] sendfile(4, 3, [118] <unfinished ...>
[pid 5187] <... openat resumed>) = 4
[ 67.927634][ T5185] syz-executor299 (5185): drop_caches: 1
[ 67.936619][ T5184] syz-executor299 (5184): drop_caches: 1
[ 67.961517][ T5182] syz-executor299 (5182): drop_caches: 1
[pid 5187] sendfile(4, 3, [118] <unfinished ...>
[pid 5184] <... sendfile resumed> => [671], 553) = 553
[pid 5184] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5185] <... sendfile resumed> => [671], 553) = 553
[pid 5184] <... memfd_create resumed>) = 5
[pid 5182] memfd_create("syzkaller", 0) = 5
[pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5185] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5183] <... sendfile resumed> => [671], 553) = 553
[pid 5184] <... mmap resumed>) = 0x7f6e422e4000
[pid 5185] <... memfd_create resumed>) = 5
[pid 5183] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5183] <... memfd_create resumed>) = 5
[pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 67.988059][ T5183] syz-executor299 (5183): drop_caches: 1
[ 67.989010][ T5185] syz-executor299 (5185): drop_caches: 1
[ 68.012482][ T5186] syz-executor299 (5186): drop_caches: 1
[pid 5182] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5184] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5185] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5183] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5184] <... write resumed>) = 2097152
[pid 5182] <... write resumed>) = 2097152
[pid 5184] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5182] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5186] <... sendfile resumed> => [671], 553) = 553
[pid 5184] <... munmap resumed>) = 0
[pid 5182] <... munmap resumed>) = 0
[pid 5184] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5182] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5186] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5184] <... openat resumed>) = 6
[pid 5182] <... openat resumed>) = 6
[pid 5184] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5182] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5186] <... memfd_create resumed>) = 5
[pid 5184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5182] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5184] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5182] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5186] <... mmap resumed>) = 0x7f6e422e4000
[pid 5184] <... ioctl resumed>) = 0
[pid 5182] <... ioctl resumed>) = 0
[pid 5184] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5182] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5184] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5182] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5184] close(6 <unfinished ...>
[pid 5182] close(6 <unfinished ...>
[pid 5184] <... close resumed>) = 0
[pid 5182] <... close resumed>) = 0
[pid 5184] close(5 <unfinished ...>
[pid 5182] close(5 <unfinished ...>
[pid 5185] <... write resumed>) = 2097152
[pid 5184] <... close resumed>) = 0
[pid 5183] <... write resumed>) = 2097152
[pid 5182] <... close resumed>) = 0
[ 68.041718][ T5187] syz-executor299 (5187): drop_caches: 1
[ 68.073916][ T5186] syz-executor299 (5186): drop_caches: 1
[pid 5186] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5185] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5183] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5182] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5184] <... openat resumed>) = 5
[pid 5182] <... openat resumed>) = 5
[pid 5184] write(5, "t", 1 <unfinished ...>
[pid 5182] write(5, "t", 1 <unfinished ...>
[pid 5183] <... munmap resumed>) = 0
[pid 5185] <... munmap resumed>) = 0
[pid 5185] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5185] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5185] ioctl(6, LOOP_CLR_FD) = 0
[pid 5187] <... sendfile resumed> => [671], 553) = 553
[pid 5184] <... write resumed>) = 1
[pid 5183] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5182] <... write resumed>) = 1
[pid 5185] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5184] exit_group(0 <unfinished ...>
[pid 5182] exit_group(0 <unfinished ...>
[pid 5185] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5184] <... exit_group resumed>) = ?
[pid 5183] <... openat resumed>) = 6
[pid 5185] close(6 <unfinished ...>
[pid 5184] +++ exited with 0 +++
[pid 5182] <... exit_group resumed>) = ?
[pid 5185] <... close resumed>) = 0
[pid 5182] +++ exited with 0 +++
[pid 5183] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5185] close(5 <unfinished ...>
[pid 5183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5183] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5183] <... ioctl resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5066] <... ioctl resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5066] close(3 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] <... close resumed>) = 0
[pid 5070] <... ioctl resumed>) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5183] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5070] close(3 <unfinished ...>
[pid 5183] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5070] <... close resumed>) = 0
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5188
./strace-static-x86_64: Process 5188 attached
[pid 5187] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5188] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5188] <... set_robust_list resumed>) = 0
[pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5188] setpgid(0, 0 <unfinished ...>
[pid 5187] <... memfd_create resumed>) = 5
[pid 5188] <... setpgid resumed>) = 0
[pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5183] close(6 <unfinished ...>
[pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5187] <... mmap resumed>) = 0x7f6e422e4000
./strace-static-x86_64: Process 5189 attached
[pid 5188] <... openat resumed>) = 3
[pid 5183] <... close resumed>) = 0
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5189
[pid 5189] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5188] write(3, "1000", 4 <unfinished ...>
[pid 5189] <... set_robust_list resumed>) = 0
[pid 5188] <... write resumed>) = 4
[pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5188] close(3) = 0
[pid 5189] <... prctl resumed>) = 0
[pid 5188] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5189] setpgid(0, 0 <unfinished ...>
[pid 5188] <... openat resumed>) = 3
[pid 5188] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 68.135424][ T5187] syz-executor299 (5187): drop_caches: 1
[pid 5188] sendfile(4, 3, [118] <unfinished ...>
[pid 5183] close(5 <unfinished ...>
[pid 5189] <... setpgid resumed>) = 0
[pid 5186] <... write resumed>) = 2097152
[pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5186] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5189] <... openat resumed>) = 3
[pid 5186] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5189] write(3, "1000", 4 <unfinished ...>
[pid 5186] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5186] ioctl(6, LOOP_CLR_FD) = 0
[pid 5189] <... write resumed>) = 4
[pid 5185] <... close resumed>) = 0
[pid 5189] close(3 <unfinished ...>
[pid 5185] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5187] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5186] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5186] close(6) = 0
[pid 5186] close(5 <unfinished ...>
[pid 5189] <... close resumed>) = 0
[pid 5185] <... openat resumed>) = 5
[pid 5183] <... close resumed>) = 0
[pid 5189] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5185] write(5, "t", 1 <unfinished ...>
[pid 5189] <... openat resumed>) = 3
[pid 5189] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5183] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5189] <... openat resumed>) = 4
[pid 5183] <... openat resumed>) = 5
[pid 5189] sendfile(4, 3, [118] <unfinished ...>
[pid 5186] <... close resumed>) = 0
[pid 5185] <... write resumed>) = 1
[pid 5183] write(5, "t", 1 <unfinished ...>
[pid 5185] exit_group(0) = ?
[pid 5187] <... write resumed>) = 2097152
[pid 5185] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop1", 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=0x55555565f650) = 5190
./strace-static-x86_64: Process 5190 attached
[pid 5190] set_robust_list(0x55555565f660, 24) = 0
[pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5183] <... write resumed>) = 1
[pid 5190] <... prctl resumed>) = 0
[pid 5183] exit_group(0 <unfinished ...>
[pid 5190] setpgid(0, 0 <unfinished ...>
[pid 5183] <... exit_group resumed>) = ?
[pid 5190] <... setpgid resumed>) = 0
[pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5183] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5190] <... openat resumed>) = 3
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5061] ioctl(3, LOOP_CLR_FD) = 0
[pid 5190] write(3, "1000", 4 <unfinished ...>
[pid 5061] close(3 <unfinished ...>
[pid 5190] <... write resumed>) = 4
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5190] close(3 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5191
[pid 5190] <... close resumed>) = 0
[pid 5186] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5190] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5186] <... openat resumed>) = 5
./strace-static-x86_64: Process 5191 attached
[pid 5190] <... openat resumed>) = 3
[pid 5187] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5186] write(5, "t", 1 <unfinished ...>
[pid 5191] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5190] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5187] <... munmap resumed>) = 0
[pid 5191] <... set_robust_list resumed>) = 0
[pid 5190] <... openat resumed>) = 4
[pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5190] sendfile(4, 3, [118] <unfinished ...>
[pid 5191] setpgid(0, 0) = 0
[pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5187] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[ 68.261369][ T5188] syz-executor299 (5188): drop_caches: 1
[pid 5191] <... openat resumed>) = 3
[pid 5187] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5187] ioctl(6, LOOP_CLR_FD) = 0
[pid 5186] <... write resumed>) = 1
[pid 5186] exit_group(0) = ?
[pid 5186] +++ exited with 0 +++
[pid 5187] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5187] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5187] close(6) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5191] write(3, "1000", 4 <unfinished ...>
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5187] close(5 <unfinished ...>
[pid 5191] <... write resumed>) = 4
./strace-static-x86_64: Process 5192 attached
[pid 5192] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5192
[pid 5191] close(3 <unfinished ...>
[pid 5192] <... set_robust_list resumed>) = 0
[pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5192] setpgid(0, 0 <unfinished ...>
[pid 5191] <... close resumed>) = 0
[pid 5192] <... setpgid resumed>) = 0
[pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5191] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5192] <... openat resumed>) = 3
[pid 5191] <... openat resumed>) = 3
[pid 5187] <... close resumed>) = 0
[pid 5191] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5192] write(3, "1000", 4) = 4
[pid 5192] close(3 <unfinished ...>
[pid 5191] <... openat resumed>) = 4
[pid 5192] <... close resumed>) = 0
[pid 5191] sendfile(4, 3, [118] <unfinished ...>
[pid 5192] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5192] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5192] sendfile(4, 3, [118] <unfinished ...>
[pid 5187] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5187] write(5, "t", 1 <unfinished ...>
[pid 5188] <... sendfile resumed> => [671], 553) = 553
[pid 5188] memfd_create("syzkaller", 0) = 5
[pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5187] <... write resumed>) = 1
[pid 5187] exit_group(0) = ?
[pid 5187] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[ 68.370058][ T5188] syz-executor299 (5188): drop_caches: 1
[ 68.380736][ T5189] syz-executor299 (5189): drop_caches: 1
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5188] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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./strace-static-x86_64: Process 5193 attached
<unfinished ...>
[pid 5189] <... sendfile resumed> => [671], 553) = 553
[pid 5193] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5193
[pid 5193] <... set_robust_list resumed>) = 0
[pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5193] setpgid(0, 0) = 0
[pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5193] write(3, "1000", 4) = 4
[pid 5193] close(3) = 0
[pid 5193] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5189] memfd_create("syzkaller", 0) = 5
[ 68.435892][ T5192] syz-executor299 (5192): drop_caches: 1
[ 68.439215][ T5190] syz-executor299 (5190): drop_caches: 1
[ 68.472110][ T5189] syz-executor299 (5189): drop_caches: 1
[ 68.478389][ T5191] syz-executor299 (5191): drop_caches: 1
[pid 5193] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5193] <... openat resumed>) = 4
[pid 5193] sendfile(4, 3, [118] <unfinished ...>
[pid 5188] <... write resumed>) = 2097152
[pid 5188] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5189] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5188] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid 5188] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5188] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5190] <... sendfile resumed> => [671], 553) = 553
[pid 5188] <... ioctl resumed>) = 0
[pid 5192] <... sendfile resumed> => [671], 553) = 553
[pid 5190] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5192] memfd_create("syzkaller", 0) = 5
[pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5191] <... sendfile resumed> => [671], 553) = 553
[pid 5190] <... memfd_create resumed>) = 5
[pid 5188] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5192] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5191] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5189] <... write resumed>) = 2097152
[pid 5191] <... memfd_create resumed>) = 5
[pid 5188] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5188] close(6 <unfinished ...>
[pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5190] <... mmap resumed>) = 0x7f6e422e4000
[ 68.551923][ T5190] syz-executor299 (5190): drop_caches: 1
[ 68.560999][ T5192] syz-executor299 (5192): drop_caches: 1
[ 68.580881][ T5191] syz-executor299 (5191): drop_caches: 1
[ 68.590664][ T5193] syz-executor299 (5193): drop_caches: 1
[pid 5191] <... mmap resumed>) = 0x7f6e422e4000
[pid 5189] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5188] <... close resumed>) = 0
[pid 5189] <... munmap resumed>) = 0
[pid 5189] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5189] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5189] ioctl(6, LOOP_CLR_FD) = 0
[pid 5189] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5189] close(6 <unfinished ...>
[pid 5188] close(5 <unfinished ...>
[pid 5189] <... close resumed>) = 0
[pid 5189] close(5 <unfinished ...>
[pid 5188] <... close resumed>) = 0
[pid 5190] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5189] <... close resumed>) = 0
[pid 5193] <... sendfile resumed> => [671], 553) = 553
[pid 5192] <... write resumed>) = 2097152
[pid 5191] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5188] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5193] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5192] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5193] <... memfd_create resumed>) = 5
[pid 5192] <... munmap resumed>) = 0
[pid 5189] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5188] <... openat resumed>) = 5
[pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5188] write(5, "t", 1 <unfinished ...>
[pid 5193] <... mmap resumed>) = 0x7f6e422e4000
[ 68.627710][ T5193] syz-executor299 (5193): drop_caches: 1
[pid 5189] <... openat resumed>) = 5
[pid 5192] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5190] <... write resumed>) = 2097152
[pid 5188] <... write resumed>) = 1
[pid 5192] <... openat resumed>) = 6
[pid 5189] write(5, "t", 1 <unfinished ...>
[pid 5192] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5192] ioctl(6, LOOP_CLR_FD) = 0
[pid 5192] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5192] close(6) = 0
[pid 5192] close(5 <unfinished ...>
[pid 5191] <... write resumed>) = 2097152
[pid 5188] exit_group(0 <unfinished ...>
[pid 5189] <... write resumed>) = 1
[pid 5188] <... exit_group resumed>) = ?
[pid 5189] exit_group(0) = ?
[pid 5189] +++ exited with 0 +++
[pid 5188] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5066] <... openat resumed>) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5070] <... openat resumed>) = 3
[pid 5066] <... ioctl resumed>) = 0
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5066] close(3 <unfinished ...>
[pid 5070] <... ioctl resumed>) = 0
[pid 5066] <... close resumed>) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5194 attached
<unfinished ...>
[pid 5193] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5191] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5190] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5194
[pid 5194] set_robust_list(0x55555565f660, 24) = 0
[pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5194] setpgid(0, 0) = 0
[pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5195
[pid 5194] <... openat resumed>) = 3
./strace-static-x86_64: Process 5195 attached
[pid 5194] write(3, "1000", 4 <unfinished ...>
[pid 5195] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5194] <... write resumed>) = 4
[pid 5195] <... set_robust_list resumed>) = 0
[pid 5194] close(3 <unfinished ...>
[pid 5192] <... close resumed>) = 0
[pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5194] <... close resumed>) = 0
[pid 5194] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5195] <... prctl resumed>) = 0
[pid 5195] setpgid(0, 0 <unfinished ...>
[pid 5194] <... openat resumed>) = 3
[pid 5195] <... setpgid resumed>) = 0
[pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5194] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5195] <... openat resumed>) = 3
[pid 5194] sendfile(4, 3, [118] <unfinished ...>
[pid 5195] write(3, "1000", 4 <unfinished ...>
[pid 5192] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5195] <... write resumed>) = 4
[pid 5192] <... openat resumed>) = 5
[pid 5195] close(3) = 0
[pid 5195] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5195] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5192] write(5, "t", 1 <unfinished ...>
[pid 5190] <... munmap resumed>) = 0
[pid 5195] <... openat resumed>) = 4
[pid 5195] sendfile(4, 3, [118] <unfinished ...>
[pid 5191] <... munmap resumed>) = 0
[pid 5190] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5190] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5192] <... write resumed>) = 1
[pid 5191] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5190] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5190] ioctl(6, LOOP_CLR_FD) = 0
[pid 5192] exit_group(0) = ?
[pid 5192] +++ exited with 0 +++
[pid 5191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5191] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5191] <... ioctl resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5190] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5196 attached
<unfinished ...>
[pid 5196] set_robust_list(0x55555565f660, 24) = 0
[pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5196
[pid 5196] <... prctl resumed>) = 0
[pid 5196] setpgid(0, 0) = 0
[pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5196] write(3, "1000", 4) = 4
[pid 5196] close(3) = 0
[pid 5196] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5190] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5196] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5191] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5190] close(6 <unfinished ...>
[pid 5196] <... openat resumed>) = 4
[pid 5196] sendfile(4, 3, [118] <unfinished ...>
[pid 5193] <... write resumed>) = 2097152
[pid 5191] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5190] <... close resumed>) = 0
[pid 5191] close(6 <unfinished ...>
[pid 5190] close(5 <unfinished ...>
[pid 5191] <... close resumed>) = 0
[pid 5191] close(5 <unfinished ...>
[pid 5193] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5191] <... close resumed>) = 0
[pid 5190] <... close resumed>) = 0
[ 68.799940][ T5195] syz-executor299 (5195): drop_caches: 1
[pid 5193] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5191] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5190] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5193] <... openat resumed>) = 6
[pid 5190] <... openat resumed>) = 5
[pid 5190] write(5, "t", 1 <unfinished ...>
[pid 5193] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5191] <... openat resumed>) = 5
[pid 5193] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5191] write(5, "t", 1 <unfinished ...>
[pid 5190] <... write resumed>) = 1
[pid 5193] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5190] exit_group(0 <unfinished ...>
[pid 5193] <... ioctl resumed>) = 0
[pid 5190] <... exit_group resumed>) = ?
[pid 5190] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5195] <... sendfile resumed> => [671], 553) = 553
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5193] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5193] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5062] <... ioctl resumed>) = 0
[pid 5195] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5193] close(6 <unfinished ...>
[pid 5191] <... write resumed>) = 1
[pid 5195] <... memfd_create resumed>) = 5
[pid 5193] <... close resumed>) = 0
[pid 5191] exit_group(0 <unfinished ...>
[pid 5062] close(3 <unfinished ...>
[pid 5191] <... exit_group resumed>) = ?
[pid 5193] close(5 <unfinished ...>
[pid 5062] <... close resumed>) = 0
[pid 5195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5191] +++ exited with 0 +++
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5195] <... mmap resumed>) = 0x7f6e422e4000
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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 5198 attached
<unfinished ...>
[pid 5198] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5198
[pid 5198] <... set_robust_list resumed>) = 0
[pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5198] setpgid(0, 0) = 0
[pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 5197 attached
[pid 5197] set_robust_list(0x55555565f660, 24) = 0
[pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5197] setpgid(0, 0 <unfinished ...>
[pid 5198] write(3, "1000", 4 <unfinished ...>
[pid 5197] <... setpgid resumed>) = 0
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5197
[pid 5198] <... write resumed>) = 4
[pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5198] close(3 <unfinished ...>
[pid 5197] <... openat resumed>) = 3
[pid 5193] <... close resumed>) = 0
[pid 5197] write(3, "1000", 4) = 4
[pid 5197] close(3) = 0
[pid 5198] <... close resumed>) = 0
[pid 5197] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5198] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5197] <... openat resumed>) = 3
[pid 5198] <... openat resumed>) = 3
[pid 5197] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5193] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5198] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5197] <... openat resumed>) = 4
[pid 5193] <... openat resumed>) = 5
[ 68.843090][ T5194] syz-executor299 (5194): drop_caches: 1
[ 68.857499][ T5195] syz-executor299 (5195): drop_caches: 1
[ 68.877946][ T5196] syz-executor299 (5196): drop_caches: 1
[pid 5198] <... openat resumed>) = 4
[pid 5197] sendfile(4, 3, [118] <unfinished ...>
[pid 5193] write(5, "t", 1 <unfinished ...>
[pid 5198] sendfile(4, 3, [118] <unfinished ...>
[pid 5195] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5193] <... write resumed>) = 1
[pid 5193] exit_group(0) = ?
[pid 5193] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5195] <... write resumed>) = 2097152
[pid 5063] <... ioctl resumed>) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5199 attached
, child_tidptr=0x55555565f650) = 5199
[pid 5199] set_robust_list(0x55555565f660, 24) = 0
[pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5195] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5199] <... prctl resumed>) = 0
[pid 5199] setpgid(0, 0) = 0
[pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5199] write(3, "1000", 4) = 4
[pid 5195] <... munmap resumed>) = 0
[pid 5195] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5199] close(3 <unfinished ...>
[pid 5195] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5199] <... close resumed>) = 0
[pid 5195] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5199] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5195] ioctl(6, LOOP_CLR_FD) = 0
[pid 5199] <... openat resumed>) = 3
[pid 5196] <... sendfile resumed> => [671], 553) = 553
[pid 5194] <... sendfile resumed> => [671], 553) = 553
[pid 5195] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5195] close(6) = 0
[ 68.986526][ T5194] syz-executor299 (5194): drop_caches: 1
[ 69.003585][ T5196] syz-executor299 (5196): drop_caches: 1
[pid 5199] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5196] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5195] close(5 <unfinished ...>
[pid 5194] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5199] <... openat resumed>) = 4
[pid 5194] <... memfd_create resumed>) = 5
[pid 5196] <... memfd_create resumed>) = 5
[pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5199] sendfile(4, 3, [118] <unfinished ...>
[pid 5195] <... close resumed>) = 0
[pid 5194] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5195] write(5, "t", 1 <unfinished ...>
[ 69.027891][ T5197] syz-executor299 (5197): drop_caches: 1
[ 69.052532][ T5198] syz-executor299 (5198): drop_caches: 1
[pid 5196] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5195] <... write resumed>) = 1
[pid 5195] exit_group(0) = ?
[pid 5195] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5196] <... write resumed>) = 2097152
[pid 5194] <... write resumed>) = 2097152
[pid 5070] <... openat resumed>) = 3
[pid 5197] <... sendfile resumed> => [671], 553) = 553
[pid 5196] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5194] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5200
./strace-static-x86_64: Process 5200 attached
[pid 5200] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5196] <... munmap resumed>) = 0
[pid 5194] <... munmap resumed>) = 0
[pid 5200] <... set_robust_list resumed>) = 0
[pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5197] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5200] <... prctl resumed>) = 0
[pid 5200] setpgid(0, 0 <unfinished ...>
[pid 5197] <... memfd_create resumed>) = 5
[pid 5196] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5194] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5200] <... setpgid resumed>) = 0
[pid 5197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5196] <... openat resumed>) = 6
[pid 5194] <... openat resumed>) = 6
[pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5197] <... mmap resumed>) = 0x7f6e422e4000
[pid 5196] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5194] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5196] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5194] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5200] <... openat resumed>) = 3
[pid 5194] <... ioctl resumed>) = 0
[pid 5196] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5200] write(3, "1000", 4 <unfinished ...>
[pid 5196] <... ioctl resumed>) = 0
[pid 5200] <... write resumed>) = 4
[ 69.135466][ T5197] syz-executor299 (5197): drop_caches: 1
[ 69.138384][ T5199] syz-executor299 (5199): drop_caches: 1
[pid 5200] close(3 <unfinished ...>
[pid 5194] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5200] <... close resumed>) = 0
[pid 5200] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5196] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5200] <... openat resumed>) = 3
[pid 5200] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5196] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5196] close(6) = 0
[pid 5200] sendfile(4, 3, [118] <unfinished ...>
[pid 5196] close(5 <unfinished ...>
[pid 5194] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5194] close(6) = 0
[pid 5194] close(5) = 0
[pid 5194] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5197] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5198] <... sendfile resumed> => [671], 553) = 553
[ 69.184858][ T5198] syz-executor299 (5198): drop_caches: 1
[pid 5198] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5196] <... close resumed>) = 0
[pid 5194] <... openat resumed>) = 5
[pid 5198] <... memfd_create resumed>) = 5
[pid 5196] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5194] write(5, "t", 1 <unfinished ...>
[pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5196] <... openat resumed>) = 5
[pid 5196] write(5, "t", 1) = 1
[pid 5194] <... write resumed>) = 1
[pid 5194] exit_group(0) = ?
[pid 5196] exit_group(0 <unfinished ...>
[pid 5194] +++ exited with 0 +++
[pid 5196] <... exit_group resumed>) = ?
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5196] +++ exited with 0 +++
[pid 5066] <... openat resumed>) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3 <unfinished ...>
[pid 5197] <... write resumed>) = 2097152
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5066] <... close resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5197] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5201
./strace-static-x86_64: Process 5202 attached
./strace-static-x86_64: Process 5201 attached
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5202
[pid 5202] set_robust_list(0x55555565f660, 24 <unfinished ...>
[ 69.228226][ T5199] syz-executor299 (5199): drop_caches: 1
[pid 5201] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5202] <... set_robust_list resumed>) = 0
[pid 5201] <... set_robust_list resumed>) = 0
[pid 5199] <... sendfile resumed> => [671], 553) = 553
[pid 5197] <... munmap resumed>) = 0
[pid 5199] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5197] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5201] <... prctl resumed>) = 0
[pid 5198] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5202] <... prctl resumed>) = 0
[pid 5201] setpgid(0, 0 <unfinished ...>
[pid 5199] <... memfd_create resumed>) = 5
[pid 5197] <... openat resumed>) = 6
[pid 5202] setpgid(0, 0 <unfinished ...>
[pid 5201] <... setpgid resumed>) = 0
[pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5197] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5199] <... mmap resumed>) = 0x7f6e422e4000
[pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5202] <... setpgid resumed>) = 0
[pid 5197] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5201] <... openat resumed>) = 3
[pid 5197] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5201] write(3, "1000", 4 <unfinished ...>
[pid 5197] <... ioctl resumed>) = 0
[pid 5202] <... openat resumed>) = 3
[pid 5201] <... write resumed>) = 4
[pid 5202] write(3, "1000", 4 <unfinished ...>
[pid 5201] close(3) = 0
[pid 5197] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5197] close(6 <unfinished ...>
[pid 5202] <... write resumed>) = 4
[pid 5201] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5199] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5197] <... close resumed>) = 0
[pid 5202] close(3 <unfinished ...>
[pid 5197] close(5 <unfinished ...>
[pid 5202] <... close resumed>) = 0
[pid 5202] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5198] <... write resumed>) = 2097152
[pid 5202] <... openat resumed>) = 3
[pid 5201] <... openat resumed>) = 3
[pid 5198] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5202] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5201] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5201] sendfile(4, 3, [118] <unfinished ...>
[pid 5198] <... munmap resumed>) = 0
[pid 5202] <... openat resumed>) = 4
[pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5198] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5198] ioctl(6, LOOP_CLR_FD) = 0
[pid 5198] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5198] close(6) = 0
[pid 5198] close(5 <unfinished ...>
[pid 5202] sendfile(4, 3, [118] <unfinished ...>
[pid 5197] <... close resumed>) = 0
[pid 5199] <... write resumed>) = 2097152
[pid 5198] <... close resumed>) = 0
[pid 5197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5198] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5197] <... openat resumed>) = 5
[pid 5198] write(5, "t", 1 <unfinished ...>
[ 69.339400][ T5200] syz-executor299 (5200): drop_caches: 1
[pid 5197] write(5, "t", 1 <unfinished ...>
[pid 5199] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5198] <... write resumed>) = 1
[pid 5197] <... write resumed>) = 1
[pid 5198] exit_group(0 <unfinished ...>
[pid 5197] exit_group(0 <unfinished ...>
[pid 5198] <... exit_group resumed>) = ?
[pid 5197] <... exit_group resumed>) = ?
[pid 5197] +++ exited with 0 +++
[pid 5199] <... munmap resumed>) = 0
[pid 5198] +++ exited with 0 +++
[pid 5199] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
[pid 5199] <... openat resumed>) = 6
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} ---
[pid 5199] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5199] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5199] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... openat resumed>) = 3
[pid 5061] <... openat resumed>) = 3
[pid 5199] <... ioctl resumed>) = 0
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5062] <... close resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] <... close resumed>) = 0
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5203
[pid 5199] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5204
./strace-static-x86_64: Process 5204 attached
[pid 5199] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5203 attached
[pid 5203] set_robust_list(0x55555565f660, 24) = 0
[pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5203] setpgid(0, 0) = 0
[pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5204] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5203] <... openat resumed>) = 3
[pid 5199] close(6 <unfinished ...>
[pid 5203] write(3, "1000", 4) = 4
[pid 5199] <... close resumed>) = 0
[pid 5203] close(3 <unfinished ...>
[pid 5199] close(5 <unfinished ...>
[pid 5203] <... close resumed>) = 0
[pid 5204] <... set_robust_list resumed>) = 0
[pid 5203] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5204] setpgid(0, 0) = 0
[pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5203] <... openat resumed>) = 3
[pid 5203] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5203] sendfile(4, 3, [118] <unfinished ...>
[pid 5204] <... openat resumed>) = 3
[pid 5199] <... close resumed>) = 0
[pid 5204] write(3, "1000", 4 <unfinished ...>
[pid 5199] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5204] <... write resumed>) = 4
[pid 5199] <... openat resumed>) = 5
[pid 5204] close(3) = 0
[pid 5204] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5199] write(5, "t", 1 <unfinished ...>
[pid 5204] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5200] <... sendfile resumed> => [671], 553) = 553
[pid 5204] <... openat resumed>) = 4
[pid 5204] sendfile(4, 3, [118] <unfinished ...>
[pid 5200] memfd_create("syzkaller", 0) = 5
[ 69.422888][ T5202] syz-executor299 (5202): drop_caches: 1
[ 69.433827][ T5201] syz-executor299 (5201): drop_caches: 1
[ 69.453467][ T5200] syz-executor299 (5200): drop_caches: 1
[pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5199] <... write resumed>) = 1
[pid 5200] <... mmap resumed>) = 0x7f6e422e4000
[pid 5199] exit_group(0) = ?
[pid 5199] +++ exited with 0 +++
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5205
./strace-static-x86_64: Process 5205 attached
[pid 5205] set_robust_list(0x55555565f660, 24) = 0
[pid 5200] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5205] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5202] <... sendfile resumed> => [671], 553) = 553
[pid 5205] <... prctl resumed>) = 0
[pid 5201] <... sendfile resumed> => [671], 553) = 553
[pid 5205] setpgid(0, 0 <unfinished ...>
[pid 5202] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5201] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5200] <... write resumed>) = 2097152
[pid 5205] <... setpgid resumed>) = 0
[pid 5202] <... memfd_create resumed>) = 5
[pid 5201] <... memfd_create resumed>) = 5
[pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5202] <... mmap resumed>) = 0x7f6e422e4000
[ 69.535495][ T5202] syz-executor299 (5202): drop_caches: 1
[ 69.553059][ T5201] syz-executor299 (5201): drop_caches: 1
[ 69.573324][ T5204] syz-executor299 (5204): drop_caches: 1
[pid 5200] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5205] <... openat resumed>) = 3
[pid 5205] write(3, "1000", 4 <unfinished ...>
[pid 5200] <... munmap resumed>) = 0
[pid 5205] <... write resumed>) = 4
[pid 5205] close(3) = 0
[pid 5205] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5200] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5205] <... openat resumed>) = 3
[pid 5201] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5200] <... openat resumed>) = 6
[pid 5200] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5200] ioctl(6, LOOP_CLR_FD) = 0
[pid 5205] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5200] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5200] close(6 <unfinished ...>
[pid 5205] <... openat resumed>) = 4
[pid 5200] <... close resumed>) = 0
[pid 5200] close(5 <unfinished ...>
[pid 5205] sendfile(4, 3, [118] <unfinished ...>
[pid 5200] <... close resumed>) = 0
[ 69.585502][ T5203] syz-executor299 (5203): drop_caches: 1
[pid 5202] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5200] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5200] write(5, "t", 1) = 1
[pid 5200] exit_group(0) = ?
[pid 5200] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5201] <... write resumed>) = 2097152
[pid 5070] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5204] <... sendfile resumed> => [671], 553) = 553
[pid 5203] <... sendfile resumed> => [671], 553) = 553
[pid 5202] <... write resumed>) = 2097152
[pid 5201] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5070] <... restart_syscall resumed>) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5204] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5203] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5202] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5201] <... munmap resumed>) = 0
[pid 5203] <... memfd_create resumed>) = 5
[pid 5202] <... munmap resumed>) = 0
[pid 5070] <... openat resumed>) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5204] <... memfd_create resumed>) = 5
[pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5203] <... mmap resumed>) = 0x7f6e422e4000
[pid 5204] <... mmap resumed>) = 0x7f6e422e4000
[ 69.667417][ T5204] syz-executor299 (5204): drop_caches: 1
[ 69.676491][ T5203] syz-executor299 (5203): drop_caches: 1
[ 69.690603][ T5205] syz-executor299 (5205): drop_caches: 1
[pid 5201] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5070] <... ioctl resumed>) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached
<unfinished ...>
[pid 5201] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5206
[pid 5206] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5201] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5206] <... set_robust_list resumed>) = 0
[pid 5201] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5201] <... ioctl resumed>) = 0
[pid 5206] <... prctl resumed>) = 0
[pid 5206] setpgid(0, 0) = 0
[pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5201] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5201] close(6) = 0
[pid 5201] close(5 <unfinished ...>
[pid 5206] write(3, "1000", 4) = 4
[pid 5206] close(3) = 0
[pid 5206] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5206] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5202] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5206] sendfile(4, 3, [118] <unfinished ...>
[pid 5201] <... close resumed>) = 0
[pid 5203] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5202] <... openat resumed>) = 6
[pid 5202] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5204] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5202] ioctl(6, LOOP_CLR_FD) = 0
[pid 5205] <... sendfile resumed> => [671], 553) = 553
[pid 5201] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5202] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5202] close(6) = 0
[pid 5201] <... openat resumed>) = 5
[pid 5202] close(5 <unfinished ...>
[pid 5205] memfd_create("syzkaller", 0) = 5
[pid 5201] write(5, "t", 1 <unfinished ...>
[pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5202] <... close resumed>) = 0
[pid 5201] <... write resumed>) = 1
[pid 5201] exit_group(0) = ?
[ 69.733170][ T5205] syz-executor299 (5205): drop_caches: 1
[pid 5202] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5201] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached
<unfinished ...>
[pid 5207] set_robust_list(0x55555565f660, 24) = 0
[pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5202] write(5, "t", 1 <unfinished ...>
[pid 5207] setpgid(0, 0 <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5207
[pid 5207] <... setpgid resumed>) = 0
[pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5207] write(3, "1000", 4 <unfinished ...>
[pid 5205] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5207] <... write resumed>) = 4
[pid 5207] close(3) = 0
[pid 5207] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5207] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5207] sendfile(4, 3, [118] <unfinished ...>
[pid 5203] <... write resumed>) = 2097152
[pid 5202] <... write resumed>) = 1
[pid 5205] <... write resumed>) = 2097152
[pid 5204] <... write resumed>) = 2097152
[pid 5203] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5202] exit_group(0) = ?
[pid 5203] <... munmap resumed>) = 0
[pid 5202] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
[pid 5204] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5203] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5203] <... openat resumed>) = 6
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5204] <... munmap resumed>) = 0
[pid 5203] ioctl(6, LOOP_SET_FD, 5./strace-static-x86_64: Process 5208 attached
<unfinished ...>
[pid 5205] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5203] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5208
[pid 5208] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5205] <... munmap resumed>) = 0
[pid 5203] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5208] <... set_robust_list resumed>) = 0
[pid 5203] <... ioctl resumed>) = 0
[pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5204] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5208] setpgid(0, 0) = 0
[pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5203] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5208] <... openat resumed>) = 3
[pid 5204] <... openat resumed>) = 6
[pid 5203] close(6 <unfinished ...>
[pid 5204] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5203] <... close resumed>) = 0
[pid 5203] close(5 <unfinished ...>
[pid 5204] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5204] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5203] <... close resumed>) = 0
[pid 5208] write(3, "1000", 4) = 4
[pid 5208] close(3) = 0
[pid 5208] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5205] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5208] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5205] <... openat resumed>) = 6
[pid 5208] <... openat resumed>) = 4
[pid 5205] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5208] sendfile(4, 3, [118] <unfinished ...>
[pid 5205] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5205] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5204] <... ioctl resumed>) = 0
[pid 5205] <... ioctl resumed>) = 0
[pid 5205] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5205] close(6) = 0
[pid 5205] close(5) = 0
[ 69.844223][ T5206] syz-executor299 (5206): drop_caches: 1
[pid 5205] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5205] write(5, "t", 1 <unfinished ...>
[pid 5204] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5204] close(6) = 0
[pid 5205] <... write resumed>) = 1
[pid 5204] close(5 <unfinished ...>
[pid 5205] exit_group(0 <unfinished ...>
[pid 5204] <... close resumed>) = 0
[pid 5205] <... exit_group resumed>) = ?
[pid 5204] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5203] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5205] +++ exited with 0 +++
[pid 5204] <... openat resumed>) = 5
[pid 5203] <... openat resumed>) = 5
[pid 5204] write(5, "t", 1 <unfinished ...>
[pid 5203] write(5, "t", 1 <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} ---
[pid 5063] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5209
./strace-static-x86_64: Process 5209 attached
[pid 5209] set_robust_list(0x55555565f660, 24) = 0
[pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5209] setpgid(0, 0) = 0
[pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5209] write(3, "1000", 4) = 4
[pid 5209] close(3) = 0
[pid 5209] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5209] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5209] sendfile(4, 3, [118] <unfinished ...>
[pid 5203] <... write resumed>) = 1
[pid 5204] <... write resumed>) = 1
[pid 5204] exit_group(0) = ?
[pid 5203] exit_group(0 <unfinished ...>
[pid 5204] +++ exited with 0 +++
[pid 5203] <... exit_group resumed>) = ?
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5203] +++ exited with 0 +++
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5062] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] close(3) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[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 <unfinished ...>
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5210
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5211
./strace-static-x86_64: Process 5211 attached
[pid 5211] set_robust_list(0x55555565f660, 24) = 0
[pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5211] setpgid(0, 0) = 0
[pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5211] write(3, "1000", 4) = 4
[pid 5211] close(3) = 0
./strace-static-x86_64: Process 5210 attached
[pid 5211] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5211] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5210] set_robust_list(0x55555565f660, 24) = 0
[pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5211] <... openat resumed>) = 4
[pid 5210] setpgid(0, 0) = 0
[pid 5211] sendfile(4, 3, [118] <unfinished ...>
[pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5206] <... sendfile resumed> => [671], 553) = 553
[pid 5210] <... openat resumed>) = 3
[pid 5210] write(3, "1000", 4 <unfinished ...>
[pid 5206] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5210] <... write resumed>) = 4
[pid 5206] <... memfd_create resumed>) = 5
[pid 5210] close(3 <unfinished ...>
[pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5210] <... close resumed>) = 0
[pid 5206] <... mmap resumed>) = 0x7f6e422e4000
[ 69.970776][ T5207] syz-executor299 (5207): drop_caches: 1
[ 69.995125][ T5206] syz-executor299 (5206): drop_caches: 1
[pid 5210] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5210] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5210] sendfile(4, 3, [118] <unfinished ...>
[pid 5206] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5207] <... sendfile resumed> => [671], 553) = 553
[pid 5207] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5206] <... write resumed>) = 2097152
[pid 5207] <... memfd_create resumed>) = 5
[pid 5207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 70.091052][ T5208] syz-executor299 (5208): drop_caches: 1
[ 70.098118][ T5207] syz-executor299 (5207): drop_caches: 1
[ 70.116310][ T5211] syz-executor299 (5211): drop_caches: 1
[ 70.123930][ T5209] syz-executor299 (5209): drop_caches: 1
[pid 5206] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5206] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6
[pid 5206] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5206] ioctl(6, LOOP_CLR_FD) = 0
[pid 5206] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5206] close(6) = 0
[pid 5206] close(5) = 0
[pid 5206] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5206] write(5, "t", 1) = 1
[pid 5206] exit_group(0) = ?
[pid 5206] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5207] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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] restart_syscall(<... resuming interrupted clone ...>) = 0
[ 70.171216][ T5210] syz-executor299 (5210): drop_caches: 1
[pid 5207] <... write resumed>) = 2097152
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5212 attached
<unfinished ...>
[pid 5212] set_robust_list(0x55555565f660, 24) = 0
[pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5212] setpgid(0, 0) = 0
[pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5212] write(3, "1000", 4) = 4
[pid 5212] close(3) = 0
[pid 5212] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5212] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5212] sendfile(4, 3, [118] <unfinished ...>
[pid 5208] <... sendfile resumed> => [671], 553) = 553
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5212
[pid 5208] memfd_create("syzkaller", 0) = 5
[pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5207] munmap(0x7f6e422e4000, 138412032) = 0
[ 70.217715][ T5208] syz-executor299 (5208): drop_caches: 1
[ 70.239661][ T5209] syz-executor299 (5209): drop_caches: 1
[pid 5207] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid 5209] <... sendfile resumed> => [671], 553) = 553
[pid 5207] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5209] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5207] ioctl(6, LOOP_CLR_FD) = 0
[pid 5209] <... memfd_create resumed>) = 5
[pid 5208] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5207] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[ 70.286094][ T5211] syz-executor299 (5211): drop_caches: 1
[pid 5207] close(6) = 0
[pid 5211] <... sendfile resumed> => [671], 553) = 553
[pid 5207] close(5 <unfinished ...>
[pid 5208] <... write resumed>) = 2097152
[pid 5208] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5211] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5207] <... close resumed>) = 0
[pid 5211] <... memfd_create resumed>) = 5
[pid 5208] <... munmap resumed>) = 0
[pid 5207] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5208] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5211] <... mmap resumed>) = 0x7f6e422e4000
[pid 5208] <... openat resumed>) = 6
[pid 5208] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5208] ioctl(6, LOOP_CLR_FD) = 0
[pid 5210] <... sendfile resumed> => [671], 553) = 553
[pid 5208] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5208] close(6 <unfinished ...>
[pid 5207] <... openat resumed>) = 5
[ 70.345384][ T5210] syz-executor299 (5210): drop_caches: 1
[ 70.362336][ T5212] syz-executor299 (5212): drop_caches: 1
[pid 5208] <... close resumed>) = 0
[pid 5208] close(5 <unfinished ...>
[pid 5209] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5207] write(5, "t", 1 <unfinished ...>
[pid 5210] memfd_create("syzkaller", 0) = 5
[pid 5211] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5207] <... write resumed>) = 1
[pid 5208] <... close resumed>) = 0
[pid 5208] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5208] write(5, "t", 1 <unfinished ...>
[pid 5207] exit_group(0) = ?
[pid 5207] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5210] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5208] <... write resumed>) = 1
[pid 5067] <... restart_syscall resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5208] exit_group(0 <unfinished ...>
[pid 5067] <... openat resumed>) = 3
[pid 5208] <... exit_group resumed>) = ?
[pid 5067] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5208] +++ exited with 0 +++
[pid 5067] <... ioctl resumed>) = 0
[pid 5067] close(3 <unfinished ...>
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
[pid 5067] <... close resumed>) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3./strace-static-x86_64: Process 5213 attached
<unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5213
[pid 5066] <... close resumed>) = 0
[pid 5213] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached
<unfinished ...>
[pid 5213] <... set_robust_list resumed>) = 0
[pid 5214] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5066] <... clone resumed>, child_tidptr=0x55555565f650) = 5214
[pid 5214] <... set_robust_list resumed>) = 0
[pid 5213] <... prctl resumed>) = 0
[pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5213] setpgid(0, 0 <unfinished ...>
[pid 5214] <... prctl resumed>) = 0
[pid 5214] setpgid(0, 0 <unfinished ...>
[pid 5213] <... setpgid resumed>) = 0
[pid 5214] <... setpgid resumed>) = 0
[pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5213] <... openat resumed>) = 3
[pid 5214] <... openat resumed>) = 3
[pid 5214] write(3, "1000", 4) = 4
[pid 5214] close(3 <unfinished ...>
[pid 5213] write(3, "1000", 4) = 4
[pid 5213] close(3 <unfinished ...>
[pid 5214] <... close resumed>) = 0
[pid 5213] <... close resumed>) = 0
[pid 5214] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5213] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5213] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5213] sendfile(4, 3, [118] <unfinished ...>
[pid 5214] <... openat resumed>) = 3
[pid 5214] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5214] sendfile(4, 3, [118] <unfinished ...>
[pid 5212] <... sendfile resumed> => [671], 553) = 553
[pid 5212] memfd_create("syzkaller", 0) = 5
[pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5209] <... write resumed>) = 2097152
[pid 5209] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5209] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[ 70.462590][ T5212] syz-executor299 (5212): drop_caches: 1
[pid 5209] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5211] <... write resumed>) = 2097152
[pid 5210] <... write resumed>) = 2097152
[pid 5209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5211] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5209] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5211] <... munmap resumed>) = 0
[pid 5209] <... ioctl resumed>) = 0
[pid 5210] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5212] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5211] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5210] <... munmap resumed>) = 0
[pid 5211] <... openat resumed>) = 6
[pid 5209] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5211] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5209] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5211] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5209] close(6 <unfinished ...>
[pid 5211] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5209] <... close resumed>) = 0
[pid 5210] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5210] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5209] close(5 <unfinished ...>
[pid 5210] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5209] <... close resumed>) = 0
[pid 5211] <... ioctl resumed>) = 0
[pid 5210] <... ioctl resumed>) = 0
[pid 5210] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5210] close(6) = 0
[pid 5210] close(5 <unfinished ...>
[pid 5209] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5211] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5212] <... write resumed>) = 2097152
[pid 5212] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5211] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5211] close(6 <unfinished ...>
[pid 5212] <... munmap resumed>) = 0
[pid 5211] <... close resumed>) = 0
[pid 5209] <... openat resumed>) = 5
[pid 5212] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5211] close(5 <unfinished ...>
[pid 5209] write(5, "t", 1 <unfinished ...>
[pid 5210] <... close resumed>) = 0
[pid 5210] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5210] write(5, "t", 1) = 1
[pid 5209] <... write resumed>) = 1
[pid 5210] exit_group(0 <unfinished ...>
[pid 5209] exit_group(0 <unfinished ...>
[pid 5210] <... exit_group resumed>) = ?
[pid 5210] +++ exited with 0 +++
[pid 5209] <... exit_group resumed>) = ?
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid 5209] +++ exited with 0 +++
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5212] <... openat resumed>) = 6
[pid 5211] <... close resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5063] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5062] <... ioctl resumed>) = 0
[pid 5212] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5212] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5063] <... restart_syscall resumed>) = 0
[pid 5062] close(3 <unfinished ...>
[pid 5212] ioctl(6, LOOP_CLR_FD) = 0
[pid 5211] <... openat resumed>) = 5
[pid 5211] write(5, "t", 1 <unfinished ...>
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid 5062] <... close resumed>) = 0
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5212] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5063] <... ioctl resumed>) = 0
[pid 5212] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5211] <... write resumed>) = 1
[pid 5063] close(3 <unfinished ...>
[pid 5212] close(6 <unfinished ...>
[pid 5211] exit_group(0 <unfinished ...>
[pid 5063] <... close resumed>) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5211] <... exit_group resumed>) = ?
[pid 5212] <... close resumed>) = 0
./strace-static-x86_64: Process 5216 attached
./strace-static-x86_64: Process 5215 attached
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5216
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5215
[pid 5215] set_robust_list(0x55555565f660, 24) = 0
[pid 5216] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5212] close(5 <unfinished ...>
[pid 5211] +++ exited with 0 +++
[pid 5215] <... prctl resumed>) = 0
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5215] setpgid(0, 0) = 0
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5215] <... openat resumed>) = 3
[pid 5215] write(3, "1000", 4) = 4
[pid 5215] close(3 <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", 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 5216] <... set_robust_list resumed>) = 0
[pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5215] <... close resumed>) = 0
[pid 5215] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5215] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 70.613939][ T5213] syz-executor299 (5213): drop_caches: 1
[pid 5215] sendfile(4, 3, [118] <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5217
./strace-static-x86_64: Process 5217 attached
[pid 5216] <... prctl resumed>) = 0
[pid 5217] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5216] setpgid(0, 0 <unfinished ...>
[pid 5212] <... close resumed>) = 0
[pid 5217] <... set_robust_list resumed>) = 0
[pid 5216] <... setpgid resumed>) = 0
[pid 5212] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5212] <... openat resumed>) = 5
[pid 5217] <... prctl resumed>) = 0
[pid 5216] <... openat resumed>) = 3
[pid 5212] write(5, "t", 1 <unfinished ...>
[pid 5217] setpgid(0, 0 <unfinished ...>
[pid 5216] write(3, "1000", 4 <unfinished ...>
[pid 5217] <... setpgid resumed>) = 0
[pid 5216] <... write resumed>) = 4
[pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5216] close(3 <unfinished ...>
[pid 5217] <... openat resumed>) = 3
[pid 5216] <... close resumed>) = 0
[pid 5216] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5217] write(3, "1000", 4 <unfinished ...>
[pid 5216] <... openat resumed>) = 3
[pid 5216] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5217] <... write resumed>) = 4
[pid 5216] <... openat resumed>) = 4
[pid 5212] <... write resumed>) = 1
[pid 5216] sendfile(4, 3, [118] <unfinished ...>
[pid 5212] exit_group(0) = ?
[pid 5212] +++ exited with 0 +++
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3) = 0
[ 70.664898][ T5214] syz-executor299 (5214): drop_caches: 1
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5217] close(3 <unfinished ...>
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5218
./strace-static-x86_64: Process 5218 attached
[pid 5217] <... close resumed>) = 0
[pid 5217] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5218] set_robust_list(0x55555565f660, 24) = 0
[pid 5217] <... openat resumed>) = 3
[pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5217] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5218] <... prctl resumed>) = 0
[pid 5217] <... openat resumed>) = 4
[pid 5218] setpgid(0, 0 <unfinished ...>
[pid 5217] sendfile(4, 3, [118] <unfinished ...>
[pid 5218] <... setpgid resumed>) = 0
[ 70.748337][ T5213] syz-executor299 (5213): drop_caches: 1
[ 70.785188][ T5214] syz-executor299 (5214): drop_caches: 1
[pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5218] write(3, "1000", 4) = 4
[pid 5213] <... sendfile resumed> => [671], 553) = 553
[pid 5218] close(3 <unfinished ...>
[pid 5213] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5218] <... close resumed>) = 0
[pid 5214] <... sendfile resumed> => [671], 553) = 553
[pid 5218] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5214] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5213] <... memfd_create resumed>) = 5
[pid 5218] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5214] <... memfd_create resumed>) = 5
[pid 5218] <... openat resumed>) = 4
[pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5218] sendfile(4, 3, [118] <unfinished ...>
[pid 5213] <... mmap resumed>) = 0x7f6e422e4000
[pid 5215] <... sendfile resumed> => [671], 553) = 553
[pid 5214] <... mmap resumed>) = 0x7f6e422e4000
[pid 5215] memfd_create("syzkaller", 0) = 5
[pid 5215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[ 70.795519][ T5215] syz-executor299 (5215): drop_caches: 1
[ 70.802995][ T5216] syz-executor299 (5216): drop_caches: 1
[ 70.813654][ T5217] syz-executor299 (5217): drop_caches: 1
[ 70.838554][ T5215] syz-executor299 (5215): drop_caches: 1
[pid 5213] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5216] <... sendfile resumed> => [671], 553) = 553
[pid 5215] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5214] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5216] memfd_create("syzkaller", 0) = 5
[pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5213] <... write resumed>) = 2097152
[pid 5214] <... write resumed>) = 2097152
[ 70.873856][ T5216] syz-executor299 (5216): drop_caches: 1
[ 70.884180][ T5218] syz-executor299 (5218): drop_caches: 1
[pid 5213] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5215] <... write resumed>) = 2097152
[pid 5215] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5213] <... munmap resumed>) = 0
[pid 5215] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid 5215] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5215] ioctl(6, LOOP_CLR_FD) = 0
[pid 5214] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5213] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5217] <... sendfile resumed> => [671], 553) = 553
[pid 5215] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5217] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5215] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5215] close(6 <unfinished ...>
[pid 5214] <... munmap resumed>) = 0
[pid 5213] <... openat resumed>) = 6
[pid 5215] <... close resumed>) = 0
[ 70.931080][ T5217] syz-executor299 (5217): drop_caches: 1
[pid 5217] <... memfd_create resumed>) = 5
[pid 5216] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5215] close(5 <unfinished ...>
[pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5214] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5213] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5217] <... mmap resumed>) = 0x7f6e422e4000
[pid 5214] <... openat resumed>) = 6
[pid 5213] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5214] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5213] ioctl(6, LOOP_CLR_FD) = 0
[pid 5214] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5214] ioctl(6, LOOP_CLR_FD) = 0
[pid 5214] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5213] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5213] close(6) = 0
[pid 5214] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5213] close(5 <unfinished ...>
[pid 5215] <... close resumed>) = 0
[pid 5215] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5216] <... write resumed>) = 2097152
[pid 5215] <... openat resumed>) = 5
[pid 5214] close(6 <unfinished ...>
[pid 5213] <... close resumed>) = 0
[pid 5215] write(5, "t", 1 <unfinished ...>
[pid 5214] <... close resumed>) = 0
[pid 5213] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5214] close(5 <unfinished ...>
[pid 5213] <... openat resumed>) = 5
[pid 5216] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5217] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 ...>
[ 70.986819][ T5218] syz-executor299 (5218): drop_caches: 1
[pid 5213] write(5, "t", 1 <unfinished ...>
[pid 5216] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5218] <... sendfile resumed> => [671], 553) = 553
[pid 5213] <... write resumed>) = 1
[pid 5213] exit_group(0) = ?
[pid 5215] <... write resumed>) = 1
[pid 5215] exit_group(0) = ?
[pid 5213] +++ exited with 0 +++
[pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
[pid 5067] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5218] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5067] <... restart_syscall resumed>) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid 5215] +++ exited with 0 +++
[pid 5067] ioctl(3, LOOP_CLR_FD) = 0
[pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
[pid 5067] close(3) = 0
[pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached
<unfinished ...>
[pid 5219] set_robust_list(0x55555565f660, 24) = 0
[pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5219] setpgid(0, 0 <unfinished ...>
[pid 5062] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5219] <... setpgid resumed>) = 0
[pid 5062] <... openat resumed>) = 3
[pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5067] <... clone resumed>, child_tidptr=0x55555565f650) = 5219
[pid 5062] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5219] <... openat resumed>) = 3
[pid 5062] <... ioctl resumed>) = 0
[pid 5219] write(3, "1000", 4) = 4
[pid 5062] close(3 <unfinished ...>
[pid 5219] close(3) = 0
[pid 5062] <... close resumed>) = 0
[pid 5219] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5219] <... openat resumed>) = 3
[pid 5219] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5062] <... clone resumed>, child_tidptr=0x55555565f650) = 5220
[pid 5219] sendfile(4, 3, [118]./strace-static-x86_64: Process 5220 attached
<unfinished ...>
[pid 5216] <... openat resumed>) = 6
[pid 5220] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5216] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5220] <... set_robust_list resumed>) = 0
[pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5216] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5220] <... prctl resumed>) = 0
[pid 5216] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5220] setpgid(0, 0 <unfinished ...>
[pid 5216] <... ioctl resumed>) = 0
[pid 5220] <... setpgid resumed>) = 0
[pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5220] write(3, "1000", 4) = 4
[pid 5220] close(3) = 0
[pid 5220] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5216] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5220] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5217] <... write resumed>) = 2097152
[pid 5216] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5220] <... openat resumed>) = 4
[pid 5216] close(6) = 0
[pid 5216] close(5 <unfinished ...>
[pid 5218] <... memfd_create resumed>) = 5
[pid 5214] <... close resumed>) = 0
[pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5214] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5218] <... mmap resumed>) = 0x7f6e422e4000
[pid 5220] sendfile(4, 3, [118] <unfinished ...>
[pid 5214] <... openat resumed>) = 5
[pid 5214] write(5, "t", 1 <unfinished ...>
[pid 5217] munmap(0x7f6e422e4000, 138412032) = 0
[pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid 5217] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5217] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5216] <... close resumed>) = 0
[pid 5217] <... ioctl resumed>) = 0
[pid 5217] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5217] close(6) = 0
[pid 5217] close(5 <unfinished ...>
[pid 5216] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5218] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5214] <... write resumed>) = 1
[pid 5214] exit_group(0 <unfinished ...>
[pid 5216] <... openat resumed>) = 5
[pid 5217] <... close resumed>) = 0
[pid 5216] write(5, "t", 1 <unfinished ...>
[pid 5214] <... exit_group resumed>) = ?
[pid 5218] <... write resumed>) = 2097152
[pid 5214] +++ exited with 0 +++
[pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5217] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 <unfinished ...>
[pid 5066] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5217] <... openat resumed>) = 5
[pid 5066] <... openat resumed>) = 3
[pid 5217] write(5, "t", 1 <unfinished ...>
[pid 5066] ioctl(3, LOOP_CLR_FD) = 0
[pid 5066] close(3) = 0
[pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555565f650) = 5221
./strace-static-x86_64: Process 5221 attached
[pid 5221] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5217] <... write resumed>) = 1
[pid 5216] <... write resumed>) = 1
[pid 5217] exit_group(0) = ?
[pid 5216] exit_group(0 <unfinished ...>
[pid 5217] +++ exited with 0 +++
[pid 5216] <... exit_group resumed>) = ?
[pid 5221] <... set_robust_list resumed>) = 0
[pid 5218] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5216] +++ exited with 0 +++
[pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5063] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
[pid 5063] <... openat resumed>) = 3
[pid 5063] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5061] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid 5063] <... ioctl resumed>) = 0
[pid 5061] <... restart_syscall resumed>) = 0
[pid 5063] close(3) = 0
[pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5222 attached
<unfinished ...>
[pid 5221] <... prctl resumed>) = 0
[pid 5218] <... munmap resumed>) = 0
[pid 5222] set_robust_list(0x55555565f660, 24 <unfinished ...>
[pid 5063] <... clone resumed>, child_tidptr=0x55555565f650) = 5222
[pid 5061] <... openat resumed>) = 3
[pid 5222] <... set_robust_list resumed>) = 0
[pid 5061] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5061] <... ioctl resumed>) = 0
[pid 5222] <... prctl resumed>) = 0
[pid 5221] setpgid(0, 0 <unfinished ...>
[pid 5222] setpgid(0, 0 <unfinished ...>
[pid 5221] <... setpgid resumed>) = 0
[pid 5061] close(3 <unfinished ...>
[pid 5222] <... setpgid resumed>) = 0
[pid 5061] <... close resumed>) = 0
[pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5218] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5222] <... openat resumed>) = 3
[pid 5221] <... openat resumed>) = 3
[pid 5218] <... openat resumed>) = 6
[pid 5221] write(3, "1000", 4 <unfinished ...>
[pid 5218] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5221] <... write resumed>) = 4
[pid 5218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5221] close(3 <unfinished ...>
[pid 5218] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid 5221] <... close resumed>) = 0
[pid 5218] <... ioctl resumed>) = 0
./strace-static-x86_64: Process 5223 attached
[pid 5222] write(3, "1000", 4 <unfinished ...>
[pid 5221] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5223] set_robust_list(0x55555565f660, 24) = 0
[pid 5222] <... write resumed>) = 4
[pid 5221] <... openat resumed>) = 3
[pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5222] close(3 <unfinished ...>
[pid 5221] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5223] <... prctl resumed>) = 0
[pid 5222] <... close resumed>) = 0
[pid 5221] <... openat resumed>) = 4
[pid 5218] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5223] setpgid(0, 0 <unfinished ...>
[pid 5222] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid 5221] sendfile(4, 3, [118] <unfinished ...>
[pid 5218] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5223] <... setpgid resumed>) = 0
[pid 5222] <... openat resumed>) = 3
[pid 5218] close(6 <unfinished ...>
[pid 5061] <... clone resumed>, child_tidptr=0x55555565f650) = 5223
[pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5222] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid 5218] <... close resumed>) = 0
[pid 5222] <... openat resumed>) = 4
[pid 5218] close(5 <unfinished ...>
[pid 5222] sendfile(4, 3, [118] <unfinished ...>
[pid 5223] <... openat resumed>) = 3
[pid 5223] write(3, "1000", 4) = 4
[pid 5223] close(3) = 0
[pid 5223] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5223] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[ 71.216407][ T5219] syz-executor299 (5219): drop_caches: 1
[pid 5223] sendfile(4, 3, [118] <unfinished ...>
[pid 5218] <... close resumed>) = 0
[pid 5218] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5
[pid 5218] write(5, "t", 1) = 1
[pid 5218] exit_group(0) = ?
[pid 5218] +++ exited with 0 +++
[ 71.284148][ T5220] syz-executor299 (5220): drop_caches: 1
[ 71.303318][ T5221] syz-executor299 (5221): drop_caches: 1
[ 71.321039][ T5219] syz-executor299 (5219): drop_caches: 1
[ 71.327533][ T5223] syz-executor299 (5223): drop_caches: 1
[pid 5219] <... sendfile resumed> => [671], 553) = 553
[pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
[pid 5219] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid 5219] <... memfd_create resumed>) = 5
[pid 5070] ioctl(3, LOOP_CLR_FD) = 0
[pid 5070] close(3 <unfinished ...>
[pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5070] <... close resumed>) = 0
[pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5219] <... mmap resumed>) = 0x7f6e422e4000
[pid 5070] <... clone resumed>, child_tidptr=0x55555565f650) = 5224
./strace-static-x86_64: Process 5224 attached
[pid 5224] set_robust_list(0x55555565f660, 24) = 0
[pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5224] setpgid(0, 0) = 0
[ 71.327950][ T5222] syz-executor299 (5222): drop_caches: 1
[pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5224] write(3, "1000", 4) = 4
[pid 5224] close(3) = 0
[pid 5224] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid 5224] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid 5224] sendfile(4, 3, [118] <unfinished ...>
[pid 5219] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5223] <... sendfile resumed> => [671], 553) = 553
[pid 5219] <... write resumed>) = 2097152
[pid 5223] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5219] munmap(0x7f6e422e4000, 138412032 <unfinished ...>
[pid 5223] <... memfd_create resumed>) = 5
[pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5219] <... munmap resumed>) = 0
[pid 5223] <... mmap resumed>) = 0x7f6e422e4000
[pid 5219] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5220] <... sendfile resumed> => [671], 553) = 553
[pid 5219] <... openat resumed>) = 6
[ 71.401584][ T5223] syz-executor299 (5223): drop_caches: 1
[ 71.408246][ T5220] syz-executor299 (5220): drop_caches: 1
[ 71.438142][ T5224] syz-executor299 (5224): drop_caches: 1
[pid 5223] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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 5220] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5219] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy)
[pid 5219] ioctl(6, LOOP_CLR_FD) = 0
[pid 5220] <... memfd_create resumed>) = 5
[pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5219] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid 5221] <... sendfile resumed> => [671], 553) = 553
[pid 5221] memfd_create("syzkaller", 0) = 5
[pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6e422e4000
[pid 5219] <... ioctl resumed>) = -1 EBUSY (Device or resource busy)
[pid 5219] close(6 <unfinished ...>
[pid 5222] <... sendfile resumed> => [671], 553) = 553
[pid 5223] <... write resumed>) = 2097152
[pid 5219] <... close resumed>) = 0