./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor537072866

<...>
Warning: Permanently added '10.128.1.64' (ED25519) to the list of known hosts.
execve("./syz-executor537072866", ["./syz-executor537072866"], 0x7fff8a8bd670 /* 10 vars */) = 0
brk(NULL)                               = 0x5555652cd000
brk(0x5555652cdd00)                     = 0x5555652cdd00
arch_prctl(ARCH_SET_FS, 0x5555652cd380) = 0
set_tid_address(0x5555652cd650)         = 5816
set_robust_list(0x5555652cd660, 24)     = 0
rseq(0x5555652cdca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor537072866", 4096) = 27
getrandom("\x07\x7d\x03\x1a\xd4\x02\x9f\xec", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555652cdd00
brk(0x5555652eed00)                     = 0x5555652eed00
brk(0x5555652ef000)                     = 0x5555652ef000
mprotect(0x7f6804def000, 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 5817 attached
, child_tidptr=0x5555652cd650) = 5817
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5817] set_robust_list(0x5555652cd660, 24) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5818 attached
 <unfinished ...>
[pid  5816] <... clone resumed>, child_tidptr=0x5555652cd650) = 5818
[pid  5817] <... openat resumed>)       = 3
[pid  5818] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5817] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5818] <... set_robust_list resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5817] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5819 attached
[pid  5816] <... clone resumed>, child_tidptr=0x5555652cd650) = 5819
[pid  5817] close(3 <unfinished ...>
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5818] <... openat resumed>)       = 3
[pid  5818] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5820 attached
)       = -1 ENXIO (No such device or address)
[pid  5820] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5818] close(3 <unfinished ...>
[pid  5819] <... set_robust_list resumed>) = 0
[pid  5817] <... close resumed>)        = 0
[pid  5816] <... clone resumed>, child_tidptr=0x5555652cd650) = 5820
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5822 attached
./strace-static-x86_64: Process 5821 attached
 <unfinished ...>
[pid  5820] <... set_robust_list resumed>) = 0
[pid  5819] <... openat resumed>)       = 3
[pid  5818] <... close resumed>)        = 0
[pid  5822] set_robust_list(0x5555652cd660, 24) = 0
[pid  5821] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5819] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5821] <... set_robust_list resumed>) = 0
[pid  5820] <... openat resumed>)       = 3
[pid  5819] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5823 attached
[pid  5816] <... clone resumed>, child_tidptr=0x5555652cd650) = 5821
[pid  5822] <... prctl resumed>)        = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5820] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5819] close(3 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5822
[pid  5822] setpgid(0, 0 <unfinished ...>
[pid  5823] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5822] <... setpgid resumed>)      = 0
[pid  5820] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5819] <... close resumed>)        = 0
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5823
[pid  5823] <... set_robust_list resumed>) = 0
[pid  5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5821] <... openat resumed>)       = 3
[pid  5820] close(3 <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5820] <... close resumed>)        = 0
[pid  5823] <... prctl resumed>)        = 0
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached
./strace-static-x86_64: Process 5824 attached
 <unfinished ...>
[pid  5823] setpgid(0, 0 <unfinished ...>
[pid  5821] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5824] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5821] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5821] close(3 <unfinished ...>
[pid  5824] <... prctl resumed>)        = 0
[pid  5821] <... close resumed>)        = 0
[pid  5824] setpgid(0, 0 <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5825
[pid  5825] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5824] <... setpgid resumed>)      = 0
[pid  5823] <... setpgid resumed>)      = 0
[pid  5822] <... openat resumed>)       = 3
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5824
./strace-static-x86_64: Process 5826 attached
[pid  5825] <... set_robust_list resumed>) = 0
[pid  5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] <... prctl resumed>)        = 0
[pid  5826] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5822] write(3, "1000", 4 <unfinished ...>
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5825] setpgid(0, 0 <unfinished ...>
[pid  5826] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5825] <... setpgid resumed>)      = 0
[pid  5824] <... openat resumed>)       = 3
[pid  5823] <... openat resumed>)       = 3
[pid  5822] <... write resumed>)        = 4
[pid  5826] <... prctl resumed>)        = 0
[pid  5826] setpgid(0, 0 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5824] write(3, "1000", 4 <unfinished ...>
[pid  5823] write(3, "1000", 4 <unfinished ...>
[pid  5822] close(3 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5826
[pid  5826] <... setpgid resumed>)      = 0
[pid  5824] <... write resumed>)        = 4
executing program
[pid  5822] <... close resumed>)        = 0
[pid  5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5824] close(3 <unfinished ...>
[pid  5823] <... write resumed>)        = 4
[pid  5822] write(1, "executing program\n", 18 <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5822] <... write resumed>)        = 18
[pid  5822] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5826] write(3, "1000", 4 <unfinished ...>
[pid  5824] <... close resumed>)        = 0
[pid  5823] close(3 <unfinished ...>
executing program
[pid  5826] <... write resumed>)        = 4
[pid  5825] write(3, "1000", 4 <unfinished ...>
[pid  5824] write(1, "executing program\n", 18 <unfinished ...>
[pid  5823] <... close resumed>)        = 0
[pid  5822] <... openat resumed>)       = 3
[pid  5826] close(3 <unfinished ...>
[pid  5825] <... write resumed>)        = 4
[pid  5824] <... write resumed>)        = 18
[pid  5823] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5825] close(3 <unfinished ...>
[pid  5824] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5823] <... write resumed>)        = 18
[pid  5822] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLYexecuting program
 <unfinished ...>
[pid  5826] write(1, "executing program\n", 18 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5824] <... openat resumed>)       = 3
[pid  5823] openat(AT_FDCWD, "/proc/partitions", O_RDONLYexecuting program
 <unfinished ...>
[pid  5826] <... write resumed>)        = 18
[pid  5825] write(1, "executing program\n", 18 <unfinished ...>
[pid  5824] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5823] <... openat resumed>)       = 3
[pid  5822] <... openat resumed>)       = 4
[pid  5825] <... write resumed>)        = 18
[pid  5824] <... openat resumed>)       = 4
[pid  5826] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5824] sendfile(4, 3, [100] <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5822] sendfile(4, 3, [100] <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5825] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5825] <... openat resumed>)       = 4
[pid  5823] <... openat resumed>)       = 4
[pid  5826] sendfile(4, 3, [100] <unfinished ...>
[pid  5825] sendfile(4, 3, [100] <unfinished ...>
[   61.493699][ T5825] syz-executor537 (5825): drop_caches: 2
[pid  5823] sendfile(4, 3, [100] <unfinished ...>
[pid  5822] <... sendfile resumed> => [640], 571) = 540
[pid  5825] <... sendfile resumed> => [640], 571) = 540
[pid  5822] memfd_create("syzkaller", 0) = 5
[   61.534074][ T5825] syz-executor537 (5825): drop_caches: 2
[   61.547462][ T5822] syz-executor537 (5822): drop_caches: 2
[   61.553984][ T5822] syz-executor537 (5822): drop_caches: 2
[   61.577188][ T5826] syz-executor537 (5826): drop_caches: 2
[pid  5825] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5826] <... sendfile resumed> => [640], 571) = 540
[pid  5825] <... memfd_create resumed>) = 5
[pid  5822] <... mmap resumed>)         = 0x7f67fc800000
[pid  5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5826] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5824] <... sendfile resumed> => [640], 571) = 540
[pid  5826] <... memfd_create resumed>) = 5
[pid  5824] memfd_create("syzkaller", 0) = 5
[pid  5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5824] <... mmap resumed>)         = 0x7f67fc800000
[pid  5823] <... sendfile resumed> => [640], 571) = 540
[pid  5826] <... mmap resumed>)         = 0x7f67fc800000
[pid  5823] memfd_create("syzkaller", 0) = 5
[pid  5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   61.584731][ T5826] syz-executor537 (5826): drop_caches: 2
[   61.599584][ T5824] syz-executor537 (5824): drop_caches: 2
[   61.613747][ T5823] syz-executor537 (5823): drop_caches: 2
[   61.620474][ T5824] syz-executor537 (5824): drop_caches: 2
[   61.621425][ T5823] syz-executor537 (5823): drop_caches: 2
[pid  5822] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5825] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5826] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5823] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5824] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5822] <... write resumed>)        = 16777216
[pid  5822] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5826] <... write resumed>)        = 16777216
[pid  5826] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5823] <... write resumed>)        = 16777216
[pid  5822] <... munmap resumed>)       = 0
[pid  5826] <... munmap resumed>)       = 0
[pid  5825] <... write resumed>)        = 16777216
[pid  5824] <... write resumed>)        = 16777216
[pid  5823] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5822] <... openat resumed>)       = 6
[pid  5826] <... openat resumed>)       = 6
[pid  5822] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5825] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5824] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5826] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5822] <... ioctl resumed>)        = 0
[pid  5822] close(5)                    = 0
[pid  5822] close(6)                    = 0
[pid  5822] mkdir("./file1", 0777)      = 0
[   62.286487][ T5822] loop0: detected capacity change from 0 to 32768
[   62.295229][ T5826] loop4: detected capacity change from 0 to 32768
[   62.309428][ T5822] =======================================================
[   62.309428][ T5822] WARNING: The mand mount option has been deprecated and
[   62.309428][ T5822]          and is ignored by this kernel. Remove the mand
[pid  5822] mount("/dev/loop0", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5826] <... ioctl resumed>)        = 0
[pid  5825] <... munmap resumed>)       = 0
[pid  5824] <... munmap resumed>)       = 0
[pid  5823] <... munmap resumed>)       = 0
[pid  5826] close(5)                    = 0
[pid  5826] close(6)                    = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5826] mkdir("./file1", 0777 <unfinished ...>
[pid  5824] <... openat resumed>)       = 6
[pid  5826] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5824] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5826] mount("/dev/loop4", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid  5825] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[   62.309428][ T5822]          option from the mount to silence this warning.
[   62.309428][ T5822] =======================================================
[   62.346860][ T5826] XFS: ikeep mount option is deprecated.
[   62.350141][ T5824] loop3: detected capacity change from 0 to 32768
[   62.352748][ T5826] XFS: noikeep mount option is deprecated.
[   62.366786][ T5825] loop2: detected capacity change from 0 to 32768
[   62.368887][ T5822] XFS: ikeep mount option is deprecated.
[pid  5823] ioctl(6, LOOP_SET_FD, 5)    = 0
[pid  5824] <... ioctl resumed>)        = 0
[pid  5825] <... ioctl resumed>)        = 0
[pid  5825] close(5 <unfinished ...>
[pid  5824] close(5 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5824] <... close resumed>)        = 0
[pid  5825] close(6 <unfinished ...>
[pid  5824] close(6 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5824] <... close resumed>)        = 0
[pid  5824] mkdir("./file1", 0777 <unfinished ...>
[pid  5825] mkdir("./file1", 0777 <unfinished ...>
[pid  5824] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5825] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5824] mount("/dev/loop3", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5825] mount("/dev/loop2", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5823] close(5)                    = 0
[pid  5823] close(6)                    = 0
[pid  5823] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[   62.382469][ T5823] loop1: detected capacity change from 0 to 32768
[   62.382814][ T5822] XFS: noikeep mount option is deprecated.
[   62.403775][ T5824] XFS: ikeep mount option is deprecated.
[   62.410152][ T5825] XFS: ikeep mount option is deprecated.
[   62.423332][ T5823] XFS: ikeep mount option is deprecated.
[   62.425364][ T5825] XFS: noikeep mount option is deprecated.
[   62.435639][ T5823] XFS: noikeep mount option is deprecated.
[   62.439552][ T5824] XFS: noikeep mount option is deprecated.
[   62.448023][ T5826] XFS (loop4): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   62.483459][ T5822] XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   62.528582][ T5826] XFS (loop4): Ending clean mount
[   62.548939][ T5826] XFS (loop4): Quotacheck needed: Please wait.
[   62.562111][ T5822] XFS (loop0): Ending clean mount
[   62.571246][ T5822] XFS (loop0): Quotacheck needed: Please wait.
[pid  5823] mount("/dev/loop1", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5826] <... mount resumed>)        = 0
[   62.625586][ T5824] XFS (loop3): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   62.627098][ T5823] XFS (loop1): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   62.645925][ T5825] XFS (loop2): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   62.655092][ T5826] XFS (loop4): Quotacheck: Done.
[pid  5826] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5822] <... mount resumed>)        = 0
[pid  5822] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 5
[pid  5822] chdir("./file1")            = 0
[pid  5826] <... openat resumed>)       = 5
[pid  5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5826] chdir("./file1" <unfinished ...>
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5826] <... chdir resumed>)        = 0
[pid  5822] exit_group(0)               = ?
[   62.675806][ T5822] XFS (loop0): Quotacheck: Done.
[pid  5826] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5822] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=41 /* 0.41 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached
 <unfinished ...>
[pid  5826] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5870
executing program
[pid  5826] exit_group(0 <unfinished ...>
[pid  5870] set_robust_list(0x5555652cd660, 24) = 0
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5870] setpgid(0, 0)               = 0
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5870] write(3, "1000", 4)         = 4
[pid  5870] close(3)                    = 0
[pid  5870] write(1, "executing program\n", 18) = 18
[pid  5870] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5826] <... exit_group resumed>)   = ?
[pid  5870] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5870] sendfile(4, 3, [100] <unfinished ...>
[pid  5826] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=45 /* 0.45 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[   62.704402][ T5824] XFS (loop3): Ending clean mount
[   62.708915][ T5823] XFS (loop1): Ending clean mount
[   62.712902][ T5824] XFS (loop3): Quotacheck needed: Please wait.
[   62.727785][ T5823] XFS (loop1): Quotacheck needed: Please wait.
[   62.743224][ T5825] XFS (loop2): Ending clean mount
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached
 <unfinished ...>
[pid  5871] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5871
[pid  5871] <... set_robust_list resumed>) = 0
[pid  5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5871] setpgid(0, 0)               = 0
[pid  5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5871] write(3, "1000", 4)         = 4
[pid  5871] close(3)                    = 0
executing program
[pid  5871] write(1, "executing program\n", 18) = 18
[pid  5871] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   62.753920][ T5870] 
[   62.756280][ T5870] ======================================================
[   62.759896][ T5825] XFS (loop2): Quotacheck needed: Please wait.
[   62.763286][ T5870] WARNING: possible circular locking dependency detected
[   62.763307][ T5870] 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 Not tainted
[   62.763317][ T5870] ------------------------------------------------------
[   62.763323][ T5870] syz-executor537/5870 is trying to acquire lock:
[   62.763332][ T5870] ffff88807d6c8170 (&lp->qli_lock){+.+.}-{3:3}, at: xfs_dquot_detach_buf+0x2f/0x1a0
[   62.781401][ T5824] XFS (loop3): Quotacheck: Done.
[   62.783753][ T5870] 
[   62.783753][ T5870] but task is already holding lock:
[   62.783762][ T5870] ffff88802f88be30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   62.828047][ T5870] 
[   62.828047][ T5870] which lock already depends on the new lock.
[   62.828047][ T5870] 
[   62.838436][ T5870] 
[   62.838436][ T5870] the existing dependency chain (in reverse order) is:
[   62.847455][ T5870] 
[   62.847455][ T5870] -> #3 (&l->lock){+.+.}-{3:3}:
[   62.854518][ T5870]        lock_acquire+0x1ed/0x550
[   62.859531][ T5870]        _raw_spin_lock+0x2e/0x40
[   62.864546][ T5870]        lock_list_lru_of_memcg+0x24b/0x4e0
[   62.870422][ T5870]        list_lru_add+0x59/0x270
[   62.875358][ T5870]        xfs_buf_rele+0x4ca/0x15b0
[   62.880490][ T5870]        xfs_imap_lookup+0x26a/0x750
[   62.885761][ T5870]        xfs_imap+0x54d/0x1090
[   62.890508][ T5870]        xfs_iget+0xaf6/0x2ec0
[   62.895255][ T5870]        xfs_mountfs+0x13df/0x2410
[   62.900376][ T5870]        xfs_fs_fill_super+0x12db/0x1590
[   62.905999][ T5870]        get_tree_bdev_flags+0x48c/0x5c0
[   62.911616][ T5870]        vfs_get_tree+0x90/0x2b0
[   62.916559][ T5870]        do_new_mount+0x2be/0xb40
[   62.921566][ T5870]        __se_sys_mount+0x2d6/0x3c0
[   62.926741][ T5870]        do_syscall_64+0xf3/0x230
[   62.931746][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.938143][ T5870] 
[   62.938143][ T5870] -> #2 (&bch->bc_lock){+.+.}-{3:3}:
[   62.945605][ T5870]        lock_acquire+0x1ed/0x550
[   62.950621][ T5870]        _raw_spin_lock+0x2e/0x40
[   62.955632][ T5870]        _atomic_dec_and_lock+0xb8/0x130
[   62.961249][ T5870]        xfs_buf_rele+0x178/0x15b0
[   62.966349][ T5870]        xfs_imap_lookup+0x26a/0x750
[   62.972054][ T5870]        xfs_imap+0x54d/0x1090
[   62.976797][ T5870]        xfs_iget+0xaf6/0x2ec0
[   62.981549][ T5870]        xfs_mountfs+0x13df/0x2410
[   62.986661][ T5870]        xfs_fs_fill_super+0x12db/0x1590
[   62.992277][ T5870]        get_tree_bdev_flags+0x48c/0x5c0
[   62.997889][ T5870]        vfs_get_tree+0x90/0x2b0
[   63.002828][ T5870]        do_new_mount+0x2be/0xb40
[   63.007838][ T5870]        __se_sys_mount+0x2d6/0x3c0
[   63.013016][ T5870]        do_syscall_64+0xf3/0x230
[   63.018028][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.024429][ T5870] 
[   63.024429][ T5870] -> #1 (&bp->b_lock){+.+.}-{3:3}:
[   63.031726][ T5870]        lock_acquire+0x1ed/0x550
[   63.036744][ T5870]        _raw_spin_lock+0x2e/0x40
[   63.041763][ T5870]        xfs_buf_rele+0x164/0x15b0
[   63.046863][ T5870]        xfs_dquot_attach_buf+0x33e/0x560
[   63.052568][ T5870]        xfs_qm_quotacheck_dqadjust+0x13f/0x5e0
[   63.059067][ T5870]        xfs_qm_dqusage_adjust+0x5e1/0x850
[   63.064868][ T5870]        xfs_iwalk_ag_recs+0x4e3/0x820
[   63.070328][ T5870]        xfs_iwalk_run_callbacks+0x218/0x470
[   63.076307][ T5870]        xfs_iwalk_ag+0xa9a/0xbb0
[   63.081312][ T5870]        xfs_iwalk_ag_work+0xfb/0x1b0
[   63.086667][ T5870]        xfs_pwork_work+0x7f/0x190
[   63.091758][ T5870]        process_scheduled_works+0xa66/0x1840
[   63.097810][ T5870]        worker_thread+0x870/0xd30
[   63.102903][ T5870]        kthread+0x2f0/0x390
[   63.107473][ T5870]        ret_from_fork+0x4b/0x80
[   63.112394][ T5870]        ret_from_fork_asm+0x1a/0x30
[   63.117686][ T5870] 
[   63.117686][ T5870] -> #0 (&lp->qli_lock){+.+.}-{3:3}:
[   63.125153][ T5870]        validate_chain+0x18ef/0x5920
[   63.130528][ T5870]        __lock_acquire+0x1397/0x2100
[   63.135892][ T5870]        lock_acquire+0x1ed/0x550
[   63.140924][ T5870]        _raw_spin_lock+0x2e/0x40
[   63.145932][ T5870]        xfs_dquot_detach_buf+0x2f/0x1a0
[   63.151548][ T5870]        xfs_qm_dquot_isolate+0x49d/0x1420
[   63.157339][ T5870]        __list_lru_walk_one+0x170/0x470
[   63.162968][ T5870]        list_lru_walk_one+0x3c/0x50
[   63.168236][ T5870]        xfs_qm_shrink_scan+0x1e1/0x400
[   63.173775][ T5870]        do_shrink_slab+0x72d/0x1160
[   63.179043][ T5870]        shrink_slab+0x1093/0x14d0
[   63.184160][ T5870]        drop_slab+0x142/0x280
[   63.188913][ T5870]        drop_caches_sysctl_handler+0xbc/0x160
[   63.195080][ T5870]        proc_sys_call_handler+0x5ec/0x920
[   63.200869][ T5870]        iter_file_splice_write+0xbfa/0x1510
[   63.206833][ T5870]        direct_splice_actor+0x11b/0x220
[   63.212450][ T5870]        splice_direct_to_actor+0x586/0xc80
[   63.218324][ T5870]        do_splice_direct+0x289/0x3e0
[   63.223679][ T5870]        do_sendfile+0x564/0x8a0
[   63.228601][ T5870]        __se_sys_sendfile64+0x100/0x1e0
[   63.234217][ T5870]        do_syscall_64+0xf3/0x230
[   63.239227][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.245627][ T5870] 
[   63.245627][ T5870] other info that might help us debug this:
[   63.245627][ T5870] 
[   63.255837][ T5870] Chain exists of:
[   63.255837][ T5870]   &lp->qli_lock --> &bch->bc_lock --> &l->lock
[   63.255837][ T5870] 
[   63.268008][ T5870]  Possible unsafe locking scenario:
[   63.268008][ T5870] 
[   63.275439][ T5870]        CPU0                    CPU1
[   63.280792][ T5870]        ----                    ----
[   63.286136][ T5870]   lock(&l->lock);
[   63.289926][ T5870]                                lock(&bch->bc_lock);
[   63.296683][ T5870]                                lock(&l->lock);
[   63.302994][ T5870]   lock(&lp->qli_lock);
[   63.307216][ T5870] 
[   63.307216][ T5870]  *** DEADLOCK ***
[   63.307216][ T5870] 
[   63.315354][ T5870] 3 locks held by syz-executor537/5870:
[   63.320876][ T5870]  #0: ffff888023ce2420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[   63.330612][ T5870]  #1: ffff88802f88be30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   63.340267][ T5870]  #2: ffff88807d6c8258 (&dqp->q_qlock){+.+.}-{4:4}, at: xfs_qm_dquot_isolate+0x8d/0x1420
[   63.350182][ T5870] 
[   63.350182][ T5870] stack backtrace:
[   63.356530][ T5870] CPU: 0 UID: 0 PID: 5870 Comm: syz-executor537 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[   63.367623][ T5870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.377756][ T5870] Call Trace:
[   63.381028][ T5870]  <TASK>
[   63.383978][ T5870]  dump_stack_lvl+0x241/0x360
[   63.388642][ T5870]  ? __pfx_dump_stack_lvl+0x10/0x10
[   63.393824][ T5870]  ? __pfx__printk+0x10/0x10
[   63.398426][ T5870]  print_circular_bug+0x13a/0x1b0
[   63.403436][ T5870]  check_noncircular+0x36a/0x4a0
[   63.408361][ T5870]  ? __pfx_check_noncircular+0x10/0x10
[   63.413822][ T5870]  ? lockdep_lock+0x123/0x2b0
[   63.418478][ T5870]  ? validate_chain+0x15c0/0x5920
[   63.423486][ T5870]  validate_chain+0x18ef/0x5920
[   63.428344][ T5870]  ? __pfx_validate_chain+0x10/0x10
[   63.433527][ T5870]  ? arch_stack_walk+0xfd/0x150
[   63.438370][ T5870]  ? __pfx_validate_chain+0x10/0x10
[   63.443555][ T5870]  ? __lock_acquire+0x1397/0x2100
[   63.448568][ T5870]  ? mark_lock+0x9a/0x360
[   63.452882][ T5870]  __lock_acquire+0x1397/0x2100
[   63.457719][ T5870]  lock_acquire+0x1ed/0x550
[   63.462208][ T5870]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   63.467476][ T5870]  ? __pfx_lock_acquire+0x10/0x10
[   63.472487][ T5870]  ? _raw_spin_unlock_irqrestore+0x8f/0x140
[   63.478366][ T5870]  ? lockdep_hardirqs_on+0x99/0x150
[   63.483553][ T5870]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   63.489434][ T5870]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   63.495765][ T5870]  ? __pfx___mutex_trylock_common+0x10/0x10
[   63.501644][ T5870]  _raw_spin_lock+0x2e/0x40
[   63.506130][ T5870]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   63.511397][ T5870]  xfs_dquot_detach_buf+0x2f/0x1a0
[   63.516490][ T5870]  xfs_qm_dquot_isolate+0x49d/0x1420
[   63.521765][ T5870]  ? __lock_acquire+0x1397/0x2100
[   63.526772][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   63.532483][ T5870]  ? lock_list_lru_of_memcg+0x2e/0x4e0
[   63.537924][ T5870]  ? lock_list_lru_of_memcg+0x4a9/0x4e0
[   63.543452][ T5870]  __list_lru_walk_one+0x170/0x470
[   63.548544][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   63.554247][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   63.559957][ T5870]  list_lru_walk_one+0x3c/0x50
[   63.564709][ T5870]  xfs_qm_shrink_scan+0x1e1/0x400
[   63.569718][ T5870]  ? __pfx_xfs_qm_shrink_scan+0x10/0x10
[   63.575264][ T5870]  ? list_lru_count_one+0x29/0x2e0
[   63.580363][ T5870]  do_shrink_slab+0x72d/0x1160
[   63.585121][ T5870]  ? shrink_slab+0x12b/0x14d0
[   63.589780][ T5870]  shrink_slab+0x1093/0x14d0
[   63.594354][ T5870]  ? shrink_slab+0x12b/0x14d0
[   63.599014][ T5870]  ? __pfx_lock_release+0x10/0x10
[   63.604040][ T5870]  ? __pfx_shrink_slab+0x10/0x10
[   63.609050][ T5870]  ? mem_cgroup_iter+0x3d/0x420
[   63.613897][ T5870]  drop_slab+0x142/0x280
[   63.618159][ T5870]  drop_caches_sysctl_handler+0xbc/0x160
[   63.623786][ T5870]  ? __pfx_drop_caches_sysctl_handler+0x10/0x10
[   63.630021][ T5870]  proc_sys_call_handler+0x5ec/0x920
[   63.635300][ T5870]  ? __pfx_proc_sys_call_handler+0x10/0x10
[   63.641089][ T5870]  iter_file_splice_write+0xbfa/0x1510
[   63.646543][ T5870]  ? __pfx_iter_file_splice_write+0x10/0x10
[   63.652424][ T5870]  ? rcu_read_lock_any_held+0xb7/0x160
[   63.657870][ T5870]  ? __pfx_iter_file_splice_write+0x10/0x10
[   63.663750][ T5870]  direct_splice_actor+0x11b/0x220
[   63.668848][ T5870]  splice_direct_to_actor+0x586/0xc80
[   63.674297][ T5870]  ? __pfx_direct_splice_actor+0x10/0x10
[   63.679913][ T5870]  ? __pfx_splice_direct_to_actor+0x10/0x10
[   63.685819][ T5870]  ? __lock_acquire+0x1397/0x2100
[   63.690829][ T5870]  do_splice_direct+0x289/0x3e0
[   63.695753][ T5870]  ? __pfx_do_splice_direct+0x10/0x10
[   63.701112][ T5870]  ? __pfx_direct_file_splice_eof+0x10/0x10
[   63.706995][ T5870]  ? rw_verify_area+0x1c3/0x6f0
[   63.711833][ T5870]  do_sendfile+0x564/0x8a0
[   63.716233][ T5870]  ? __pfx_do_sendfile+0x10/0x10
[   63.721170][ T5870]  ? __might_fault+0xc6/0x120
[   63.725830][ T5870]  __se_sys_sendfile64+0x100/0x1e0
[   63.730952][ T5870]  ? __pfx___se_sys_sendfile64+0x10/0x10
[   63.736567][ T5870]  ? exc_page_fault+0x590/0x8b0
[   63.741419][ T5870]  do_syscall_64+0xf3/0x230
[   63.745950][ T5870]  ? clear_bhb_loop+0x35/0x90
[   63.750621][ T5870]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.756536][ T5870] RIP: 0033:0x7f6804d72cc9
[   63.760944][ T5870] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   63.780555][ T5870] RSP: 002b:00007ffc41694ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   63.788984][ T5870] RAX: ffffffffffffffda RBX: 61746f7571727375 RCX: 00007f6804d72cc9
[   63.796972][ T5870] RDX: 0000000020002080 RSI: 0000000000000003 RDI: 0000000000000004
[pid  5871] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5871] sendfile(4, 3, [100] <unfinished ...>
[pid  5824] <... mount resumed>)        = 0
[pid  5824] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 5
[pid  5824] chdir("./file1")            = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] exit_group(0)               = ?
[pid  5824] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=53 /* 0.53 s */} ---
[   63.805206][ T5870] RBP: 00000000000f4240 R08: 00005555652ce378 R09: 00005555652ce378
[   63.813186][ T5870] R10: 000000000000023b R11: 0000000000000246 R12: 000000000000ee1b
[   63.821145][ T5870] R13: 00007ffc41694b00 R14: 00007ffc41694aec R15: 00007f6804dbb03b
[   63.829101][ T5870]  </TASK>
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5871] <... sendfile resumed> => [671], 571) = 571
./strace-static-x86_64: Process 5872 attached
[pid  5871] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5825] <... mount resumed>)        = 0
[pid  5823] <... mount resumed>)        = 0
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5872
[pid  5823] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 5
[pid  5823] chdir("./file1")            = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5823] exit_group(0)               = ?
[pid  5823] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=46 /* 0.46 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5872] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5871] <... memfd_create resumed>) = 5
[pid  5870] <... sendfile resumed> => [671], 571) = 571
[pid  5825] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5872] <... set_robust_list resumed>) = 0
[pid  5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5870] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5825] <... openat resumed>)       = 5
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5871] <... mmap resumed>)         = 0x7f67fc800000
[pid  5825] chdir("./file1" <unfinished ...>
[pid  5872] <... prctl resumed>)        = 0
[pid  5870] <... memfd_create resumed>) = 5
[pid  5825] <... chdir resumed>)        = 0
[pid  5872] setpgid(0, 0 <unfinished ...>
[pid  5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5872] <... setpgid resumed>)      = 0
[pid  5870] <... mmap resumed>)         = 0x7f67fc800000
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] exit_group(0 <unfinished ...>
[pid  5872] <... openat resumed>)       = 3
[pid  5825] <... exit_group resumed>)   = ?
[pid  5872] write(3, "1000", 4 <unfinished ...>
[pid  5825] +++ exited with 0 +++
[pid  5872] <... write resumed>)        = 4
executing program
[pid  5872] close(3)                    = 0
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=37 /* 0.37 s */} ---
[pid  5872] write(1, "executing program\n", 18) = 18
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5872] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5818] <... restart_syscall resumed>) = 0
[   63.850362][ T5871] syz-executor537 (5871): drop_caches: 2
[   63.857466][ T5871] syz-executor537 (5871): drop_caches: 2
[   63.859143][ T5870] syz-executor537 (5870): drop_caches: 2
[   63.864744][ T5825] XFS (loop2): Quotacheck: Done.
[   63.870835][ T5823] XFS (loop1): Quotacheck: Done.
[   63.877216][ T5870] syz-executor537 (5870): drop_caches: 2
[pid  5872] sendfile(4, 3, [100] <unfinished ...>
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5873
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
./strace-static-x86_64: Process 5874 attached
 <unfinished ...>
[pid  5873] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5872] <... sendfile resumed> => [671], 571) = 571
[pid  5874] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5874
[pid  5874] <... set_robust_list resumed>) = 0
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5873] <... prctl resumed>)        = 0
[pid  5872] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] <... prctl resumed>)        = 0
[pid  5873] setpgid(0, 0 <unfinished ...>
[pid  5872] <... memfd_create resumed>) = 5
[pid  5873] <... setpgid resumed>)      = 0
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5874] setpgid(0, 0)               = 0
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5874] <... openat resumed>)       = 3
[pid  5872] <... mmap resumed>)         = 0x7f67fc800000
[pid  5874] write(3, "1000", 4)         = 4
[pid  5874] close(3)                    = 0
[pid  5874] write(1, "executing program\n", 18 <unfinished ...>
[pid  5873] <... openat resumed>)       = 3
[pid  5874] <... write resumed>)        = 18
[pid  5874] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5874] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5874] sendfile(4, 3, [100] <unfinished ...>
[pid  5873] write(3, "1000", 4)         = 4
[pid  5873] close(3)                    = 0
[pid  5873] write(1, "executing program\n", 18executing program
) = 18
[pid  5874] <... sendfile resumed> => [671], 571) = 571
[pid  5873] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5874] memfd_create("syzkaller", 0 <unfinished ...>
[   63.895464][ T5872] syz-executor537 (5872): drop_caches: 2
[   63.904831][ T5872] syz-executor537 (5872): drop_caches: 2
[   63.923111][ T5874] syz-executor537 (5874): drop_caches: 2
[   63.940031][ T5874] syz-executor537 (5874): drop_caches: 2
[pid  5873] <... openat resumed>)       = 3
[pid  5873] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5874] <... memfd_create resumed>) = 5
[pid  5873] <... openat resumed>)       = 4
[pid  5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5873] sendfile(4, 3, [100] <unfinished ...>
[pid  5874] <... mmap resumed>)         = 0x7f67fc800000
[pid  5873] <... sendfile resumed> => [671], 571) = 571
[pid  5873] memfd_create("syzkaller", 0) = 5
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   63.960009][ T5873] syz-executor537 (5873): drop_caches: 2
[   63.965892][ T5873] syz-executor537 (5873): drop_caches: 2
[pid  5871] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5874] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5872] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5870] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5873] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5874] <... write resumed>)        = 16777216
[pid  5874] munmap(0x7f67fc800000, 138412032) = 0
[pid  5871] <... write resumed>)        = 16777216
[pid  5874] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5871] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5874] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5874] close(5 <unfinished ...>
[pid  5871] <... munmap resumed>)       = 0
[pid  5872] <... write resumed>)        = 16777216
[pid  5872] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5871] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5871] close(5 <unfinished ...>
[pid  5872] <... munmap resumed>)       = 0
[pid  5870] <... write resumed>)        = 16777216
[pid  5872] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5870] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5872] close(5 <unfinished ...>
[pid  5873] <... write resumed>)        = 16777216
[pid  5873] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5870] <... munmap resumed>)       = 0
[pid  5874] <... close resumed>)        = 0
[pid  5873] <... munmap resumed>)       = 0
[pid  5874] exit_group(0 <unfinished ...>
[pid  5873] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5871] <... close resumed>)        = 0
[pid  5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5874] <... exit_group resumed>)   = ?
[pid  5873] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5871] exit_group(0 <unfinished ...>
[pid  5870] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5874] +++ exited with 0 +++
[pid  5873] close(5 <unfinished ...>
[pid  5871] <... exit_group resumed>)   = ?
[pid  5870] close(5 <unfinished ...>
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5871] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=122 /* 1.22 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5875
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5876
./strace-static-x86_64: Process 5875 attached
[pid  5875] set_robust_list(0x5555652cd660, 24./strace-static-x86_64: Process 5876 attached
) = 0
[pid  5872] <... close resumed>)        = 0
[pid  5876] set_robust_list(0x5555652cd660, 24) = 0
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] exit_group(0 <unfinished ...>
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] <... exit_group resumed>)   = ?
[pid  5876] <... prctl resumed>)        = 0
[pid  5876] setpgid(0, 0 <unfinished ...>
[pid  5875] <... prctl resumed>)        = 0
[pid  5876] <... setpgid resumed>)      = 0
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5875] setpgid(0, 0 <unfinished ...>
[pid  5876] <... openat resumed>)       = 3
[pid  5876] write(3, "1000", 4 <unfinished ...>
[pid  5875] <... setpgid resumed>)      = 0
[pid  5876] <... write resumed>)        = 4
[pid  5876] close(3 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5876] <... close resumed>)        = 0
executing program
[pid  5876] write(1, "executing program\n", 18 <unfinished ...>
[pid  5875] <... openat resumed>)       = 3
[pid  5872] +++ exited with 0 +++
[pid  5876] <... write resumed>)        = 18
[pid  5875] write(3, "1000", 4 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} ---
[pid  5876] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5875] <... write resumed>)        = 4
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5875] close(3 <unfinished ...>
[pid  5876] <... openat resumed>)       = 3
[pid  5876] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5875] <... close resumed>)        = 0
[pid  5876] <... openat resumed>)       = 4
executing program
[pid  5876] sendfile(4, 3, [100] <unfinished ...>
[pid  5875] write(1, "executing program\n", 18) = 18
[pid  5875] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5875] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5877
[pid  5875] <... openat resumed>)       = 4
[pid  5875] sendfile(4, 3, [100]./strace-static-x86_64: Process 5877 attached
 <unfinished ...>
[pid  5877] set_robust_list(0x5555652cd660, 24) = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
[pid  5876] <... sendfile resumed> => [671], 571) = 571
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5877] write(3, "1000", 4)         = 4
[pid  5877] close(3)                    = 0
[pid  5877] write(1, "executing program\n", 18) = 18
[pid  5877] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5876] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5877] <... openat resumed>)       = 3
[pid  5877] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5876] <... memfd_create resumed>) = 5
[pid  5877] <... openat resumed>)       = 4
[pid  5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5877] sendfile(4, 3, [100] <unfinished ...>
[pid  5876] <... mmap resumed>)         = 0x7f67fc800000
[pid  5875] <... sendfile resumed> => [671], 571) = 571
[pid  5875] memfd_create("syzkaller", 0) = 5
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   64.440282][ T5876] syz-executor537 (5876): drop_caches: 2
[   64.444961][ T5875] syz-executor537 (5875): drop_caches: 2
[   64.452909][ T5876] syz-executor537 (5876): drop_caches: 2
[   64.459551][ T5875] syz-executor537 (5875): drop_caches: 2
[   64.476969][ T5877] syz-executor537 (5877): drop_caches: 2
[pid  5877] <... sendfile resumed> => [671], 571) = 571
[pid  5877] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5873] <... close resumed>)        = 0
[pid  5870] <... close resumed>)        = 0
[pid  5873] exit_group(0 <unfinished ...>
[pid  5877] <... memfd_create resumed>) = 5
[pid  5870] exit_group(0 <unfinished ...>
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5873] <... exit_group resumed>)   = ?
[pid  5870] <... exit_group resumed>)   = ?
[pid  5877] <... mmap resumed>)         = 0x7f67fc800000
[pid  5873] +++ exited with 0 +++
[pid  5870] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached
 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5878
[   64.500562][ T5877] syz-executor537 (5877): drop_caches: 2
[pid  5878] set_robust_list(0x5555652cd660, 24./strace-static-x86_64: Process 5879 attached
 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5879
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5878] setpgid(0, 0executing program
)               = 0
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5878] write(3, "1000", 4)         = 4
[pid  5878] close(3)                    = 0
[pid  5878] write(1, "executing program\n", 18) = 18
[pid  5878] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5878] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5878] sendfile(4, 3, [100] <unfinished ...>
[pid  5879] set_robust_list(0x5555652cd660, 24) = 0
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5879] setpgid(0, 0)               = 0
[pid  5878] <... sendfile resumed> => [671], 571) = 571
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5879] write(3, "1000", 4)         = 4
[pid  5879] close(3)                    = 0
executing program
[pid  5879] write(1, "executing program\n", 18) = 18
[pid  5878] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5878] <... memfd_create resumed>) = 5
[pid  5879] <... openat resumed>)       = 3
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[   64.565317][ T5878] syz-executor537 (5878): drop_caches: 2
[   64.581234][ T5878] syz-executor537 (5878): drop_caches: 2
[pid  5879] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5878] <... mmap resumed>)         = 0x7f67fc800000
[pid  5879] sendfile(4, 3, [100] <unfinished ...>
[pid  5875] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5879] <... sendfile resumed> => [671], 571) = 571
[pid  5876] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5879] memfd_create("syzkaller", 0) = 5
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   64.605686][ T5879] syz-executor537 (5879): drop_caches: 2
[   64.625993][ T5879] syz-executor537 (5879): drop_caches: 2
[pid  5877] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5878] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5875] <... write resumed>)        = 16777216
[pid  5875] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5879] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5876] <... write resumed>)        = 16777216
[pid  5875] <... munmap resumed>)       = 0
[pid  5876] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] close(5 <unfinished ...>
[pid  5876] <... munmap resumed>)       = 0
[pid  5876] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5876] close(5 <unfinished ...>
[pid  5878] <... write resumed>)        = 16777216
[pid  5877] <... write resumed>)        = 16777216
[pid  5878] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5877] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5878] <... munmap resumed>)       = 0
[pid  5877] <... munmap resumed>)       = 0
[pid  5875] <... close resumed>)        = 0
[pid  5878] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5878] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5877] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5878] close(5 <unfinished ...>
[pid  5877] close(5 <unfinished ...>
[pid  5876] <... close resumed>)        = 0
[pid  5875] exit_group(0 <unfinished ...>
[pid  5876] exit_group(0 <unfinished ...>
[pid  5875] <... exit_group resumed>)   = ?
[pid  5876] <... exit_group resumed>)   = ?
[pid  5875] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} ---
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5876] +++ exited with 0 +++
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5880
./strace-static-x86_64: Process 5880 attached
[pid  5880] set_robust_list(0x5555652cd660, 24) = 0
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5880] setpgid(0, 0)               = 0
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached
 <unfinished ...>
[pid  5880] <... openat resumed>)       = 3
[pid  5881] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5880] write(3, "1000", 4 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5881
[pid  5881] <... set_robust_list resumed>) = 0
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5880] <... write resumed>)        = 4
[pid  5881] <... prctl resumed>)        = 0
[pid  5880] close(3 <unfinished ...>
[pid  5881] setpgid(0, 0 <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5881] <... setpgid resumed>)      = 0
[pid  5880] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5880] <... write resumed>)        = 18
[pid  5880] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5881] <... openat resumed>)       = 3
[pid  5880] <... openat resumed>)       = 3
[pid  5878] <... close resumed>)        = 0
[pid  5881] write(3, "1000", 4 <unfinished ...>
[pid  5878] exit_group(0 <unfinished ...>
[pid  5881] <... write resumed>)        = 4
[pid  5880] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5878] <... exit_group resumed>)   = ?
[pid  5881] close(3 <unfinished ...>
[pid  5880] <... openat resumed>)       = 4
[pid  5881] <... close resumed>)        = 0
[pid  5880] sendfile(4, 3, [100] <unfinished ...>
[pid  5881] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5879] <... write resumed>)        = 16777216
[pid  5881] <... write resumed>)        = 18
[pid  5880] <... sendfile resumed> => [671], 571) = 571
[pid  5878] +++ exited with 0 +++
[pid  5881] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
[pid  5879] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5881] <... openat resumed>)       = 3
[pid  5880] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5881] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5880] <... memfd_create resumed>) = 5
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5881] <... openat resumed>)       = 4
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5877] exit_group(0 <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5881] sendfile(4, 3, [100] <unfinished ...>
[pid  5880] <... mmap resumed>)         = 0x7f67fc800000
[pid  5877] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 5882 attached
[pid  5879] <... munmap resumed>)       = 0
[pid  5882] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5882] <... set_robust_list resumed>) = 0
[pid  5877] +++ exited with 0 +++
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5882
[pid  5882] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5881] <... sendfile resumed> => [671], 571) = 571
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5882] <... prctl resumed>)        = 0
[pid  5881] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5879] close(5 <unfinished ...>
[pid  5882] setpgid(0, 0 <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached
 <unfinished ...>
[pid  5881] <... memfd_create resumed>) = 5
[pid  5883] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5883
[pid  5883] <... set_robust_list resumed>) = 0
[pid  5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5881] <... mmap resumed>)         = 0x7f67fc800000
[pid  5883] <... prctl resumed>)        = 0
[pid  5883] setpgid(0, 0)               = 0
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5882] <... setpgid resumed>)      = 0
[pid  5883] write(3, "1000", 4 <unfinished ...>
[pid  5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5883] <... write resumed>)        = 4
[   65.045673][ T5880] syz-executor537 (5880): drop_caches: 2
[   65.053278][ T5880] syz-executor537 (5880): drop_caches: 2
[   65.067902][ T5881] syz-executor537 (5881): drop_caches: 2
[   65.075732][ T5881] syz-executor537 (5881): drop_caches: 2
[pid  5883] close(3executing program
)                    = 0
[pid  5883] write(1, "executing program\n", 18) = 18
[pid  5883] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5883] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5883] sendfile(4, 3, [100] <unfinished ...>
[pid  5882] write(3, "1000", 4)         = 4
[pid  5882] close(3)                    = 0
[pid  5882] write(1, "executing program\n", 18executing program
) = 18
[pid  5882] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5882] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5882] sendfile(4, 3, [100] <unfinished ...>
[pid  5883] <... sendfile resumed> => [671], 571) = 571
[pid  5883] memfd_create("syzkaller", 0) = 5
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5882] <... sendfile resumed> => [671], 571) = 571
[pid  5882] memfd_create("syzkaller", 0) = 5
[pid  5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   65.103176][ T5883] syz-executor537 (5883): drop_caches: 2
[   65.109029][ T5883] syz-executor537 (5883): drop_caches: 2
[   65.118760][ T5882] syz-executor537 (5882): drop_caches: 2
[   65.137458][ T5882] syz-executor537 (5882): drop_caches: 2
[pid  5879] <... close resumed>)        = 0
[pid  5879] exit_group(0)               = ?
[pid  5880] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5879] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5884
./strace-static-x86_64: Process 5884 attached
[pid  5884] set_robust_list(0x5555652cd660, 24) = 0
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5881] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5884] setpgid(0, 0)               = 0
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5884] write(3, "1000", 4)         = 4
[pid  5884] close(3)                    = 0
[pid  5884] write(1, "executing program\n", 18executing program
) = 18
[pid  5884] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5884] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5884] sendfile(4, 3, [100] <unfinished ...>
[pid  5883] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5882] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5884] <... sendfile resumed> => [671], 571) = 571
[pid  5884] memfd_create("syzkaller", 0) = 5
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   65.291878][ T5884] syz-executor537 (5884): drop_caches: 2
[   65.297711][ T5884] syz-executor537 (5884): drop_caches: 2
[pid  5880] <... write resumed>)        = 16777216
[pid  5880] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5881] <... write resumed>)        = 16777216
[pid  5881] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5880] <... munmap resumed>)       = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5880] close(5 <unfinished ...>
[pid  5881] <... munmap resumed>)       = 0
[pid  5881] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5883] <... write resumed>)        = 16777216
[pid  5881] close(5 <unfinished ...>
[pid  5882] <... write resumed>)        = 16777216
[pid  5882] munmap(0x7f67fc800000, 138412032) = 0
[pid  5883] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5882] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5883] <... munmap resumed>)       = 0
[pid  5882] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5882] close(5 <unfinished ...>
[pid  5884] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5883] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5883] close(5 <unfinished ...>
[pid  5880] exit_group(0)               = ?
[pid  5880] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5885
./strace-static-x86_64: Process 5885 attached
[pid  5885] set_robust_list(0x5555652cd660, 24) = 0
[pid  5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5885] setpgid(0, 0)               = 0
[pid  5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5885] write(3, "1000", 4)         = 4
[pid  5885] close(3)                    = 0
executing program
[pid  5885] write(1, "executing program\n", 18) = 18
[pid  5885] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5881] <... close resumed>)        = 0
[pid  5885] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5885] sendfile(4, 3, [100] <unfinished ...>
[pid  5881] exit_group(0)               = ?
[pid  5881] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=23 /* 0.23 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5886
./strace-static-x86_64: Process 5886 attached
[pid  5886] set_robust_list(0x5555652cd660, 24) = 0
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5886] setpgid(0, 0)               = 0
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] write(3, "1000", 4 <unfinished ...>
[pid  5885] <... sendfile resumed> => [671], 571) = 571
[pid  5886] <... write resumed>)        = 4
[pid  5886] close(3)                    = 0
executing program
[pid  5886] write(1, "executing program\n", 18) = 18
[pid  5886] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5886] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5886] sendfile(4, 3, [100] <unfinished ...>
[pid  5885] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5882] <... close resumed>)        = 0
[pid  5885] <... memfd_create resumed>) = 5
[pid  5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5882] exit_group(0 <unfinished ...>
[pid  5885] <... mmap resumed>)         = 0x7f67fc800000
[pid  5882] <... exit_group resumed>)   = ?
[pid  5882] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5883] exit_group(0)               = ?
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5887
./strace-static-x86_64: Process 5887 attached
[pid  5883] +++ exited with 0 +++
[pid  5887] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5887] <... set_robust_list resumed>) = 0
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5887] setpgid(0, 0 <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5887] <... setpgid resumed>)      = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5888
[pid  5886] <... sendfile resumed> => [671], 571) = 571
[pid  5886] memfd_create("syzkaller", 0) = 5
[pid  5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5888 attached
) = 0x7f67fc800000
[pid  5888] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5887] <... openat resumed>)       = 3
[pid  5888] <... set_robust_list resumed>) = 0
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5888] setpgid(0, 0)               = 0
[   65.615923][ T5885] syz-executor537 (5885): drop_caches: 2
[   65.633058][ T5885] syz-executor537 (5885): drop_caches: 2
[   65.647212][ T5886] syz-executor537 (5886): drop_caches: 2
[   65.654992][ T5886] syz-executor537 (5886): drop_caches: 2
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
executing program
) = 3
[pid  5887] write(3, "1000", 4 <unfinished ...>
[pid  5888] write(3, "1000", 4 <unfinished ...>
[pid  5887] <... write resumed>)        = 4
[pid  5888] <... write resumed>)        = 4
[pid  5887] close(3 <unfinished ...>
[pid  5888] close(3)                    = 0
[pid  5887] <... close resumed>)        = 0
[pid  5888] write(1, "executing program\n", 18 <unfinished ...>
[pid  5887] write(1, "executing program\n", 18 <unfinished ...>
[pid  5888] <... write resumed>)        = 18
[pid  5887] <... write resumed>)        = 18
[pid  5888] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5887] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5887] <... openat resumed>)       = 3
[pid  5888] <... openat resumed>)       = 4
[pid  5887] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5888] sendfile(4, 3, [100] <unfinished ...>
[pid  5887] <... openat resumed>)       = 4
[pid  5887] sendfile(4, 3, [100] <unfinished ...>
[pid  5884] <... write resumed>)        = 16777216
[pid  5888] <... sendfile resumed> => [671], 571) = 571
[pid  5887] <... sendfile resumed> => [671], 571) = 571
[pid  5887] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5888] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5887] <... memfd_create resumed>) = 5
[pid  5888] <... memfd_create resumed>) = 5
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5887] <... mmap resumed>)         = 0x7f67fc800000
[pid  5888] <... mmap resumed>)         = 0x7f67fc800000
[   65.702582][ T5888] syz-executor537 (5888): drop_caches: 2
[   65.708454][ T5888] syz-executor537 (5888): drop_caches: 2
[   65.715171][ T5887] syz-executor537 (5887): drop_caches: 2
[   65.730238][ T5887] syz-executor537 (5887): drop_caches: 2
[pid  5884] munmap(0x7f67fc800000, 138412032) = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5884] close(5 <unfinished ...>
[pid  5885] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5886] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5884] <... close resumed>)        = 0
[pid  5884] exit_group(0)               = ?
[pid  5884] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached
 <unfinished ...>
[pid  5889] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5889
[pid  5889] <... set_robust_list resumed>) = 0
[pid  5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5889] setpgid(0, 0)               = 0
[pid  5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5889] write(3, "1000", 4)         = 4
[pid  5889] close(3)                    = 0
executing program
[pid  5889] write(1, "executing program\n", 18) = 18
[pid  5889] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5889] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5889] sendfile(4, 3, [100] <unfinished ...>
[pid  5887] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5889] <... sendfile resumed> => [671], 571) = 571
[pid  5888] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5889] memfd_create("syzkaller", 0) = 5
[pid  5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   65.920120][ T5889] syz-executor537 (5889): drop_caches: 2
[   65.939232][ T5889] syz-executor537 (5889): drop_caches: 2
[pid  5886] <... write resumed>)        = 16777216
[pid  5885] <... write resumed>)        = 16777216
[pid  5886] munmap(0x7f67fc800000, 138412032) = 0
[pid  5885] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5886] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5885] <... munmap resumed>)       = 0
[pid  5886] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5886] close(5 <unfinished ...>
[pid  5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5885] close(5 <unfinished ...>
[pid  5886] <... close resumed>)        = 0
[pid  5889] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5886] exit_group(0 <unfinished ...>
[pid  5887] <... write resumed>)        = 16777216
[pid  5886] <... exit_group resumed>)   = ?
[pid  5886] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=15 /* 0.15 s */} ---
[pid  5887] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5888] <... write resumed>)        = 16777216
[pid  5885] <... close resumed>)        = 0
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5885] exit_group(0 <unfinished ...>
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5888] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5885] <... exit_group resumed>)   = ?
[pid  5888] <... munmap resumed>)       = 0
[pid  5887] <... munmap resumed>)       = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5888] close(5 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached
, child_tidptr=0x5555652cd650) = 5890
[pid  5890] set_robust_list(0x5555652cd660, 24) = 0
[pid  5890] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5885] +++ exited with 0 +++
[pid  5890] <... prctl resumed>)        = 0
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5890] setpgid(0, 0 <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5890] <... setpgid resumed>)      = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5887] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5887] close(5 <unfinished ...>
[pid  5890] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5891 attached
[pid  5890] write(3, "1000", 4 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5891
[pid  5891] set_robust_list(0x5555652cd660, 24) = 0
[pid  5890] <... write resumed>)        = 4
[pid  5891] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5890] close(3 <unfinished ...>
[pid  5891] <... prctl resumed>)        = 0
[pid  5890] <... close resumed>)        = 0
[pid  5891] setpgid(0, 0 <unfinished ...>
executing program
executing program
[pid  5890] write(1, "executing program\n", 18) = 18
[pid  5890] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5891] <... setpgid resumed>)      = 0
[pid  5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5891] write(3, "1000", 4)         = 4
[pid  5891] close(3)                    = 0
[pid  5891] write(1, "executing program\n", 18) = 18
[pid  5891] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5891] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5890] <... openat resumed>)       = 3
[pid  5890] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5891] <... openat resumed>)       = 4
[pid  5890] sendfile(4, 3, [100] <unfinished ...>
[pid  5891] sendfile(4, 3, [100] <unfinished ...>
[pid  5890] <... sendfile resumed> => [671], 571) = 571
[pid  5889] <... write resumed>)        = 16777216
[pid  5891] <... sendfile resumed> => [671], 571) = 571
[pid  5891] memfd_create("syzkaller", 0) = 5
[pid  5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5890] memfd_create("syzkaller", 0) = 5
[pid  5889] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5887] <... close resumed>)        = 0
[pid  5888] <... close resumed>)        = 0
[   66.234117][ T5890] syz-executor537 (5890): drop_caches: 2
[   66.250649][ T5891] syz-executor537 (5891): drop_caches: 2
[   66.251215][ T5890] syz-executor537 (5890): drop_caches: 2
[   66.256503][ T5891] syz-executor537 (5891): drop_caches: 2
[pid  5888] exit_group(0 <unfinished ...>
[pid  5889] <... munmap resumed>)       = 0
[pid  5887] exit_group(0 <unfinished ...>
[pid  5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5888] <... exit_group resumed>)   = ?
[pid  5887] <... exit_group resumed>)   = ?
[pid  5889] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5888] +++ exited with 0 +++
[pid  5887] +++ exited with 0 +++
[pid  5889] close(5 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 5892 attached
, child_tidptr=0x5555652cd650) = 5892
[pid  5892] set_robust_list(0x5555652cd660, 24) = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5892] setpgid(0, 0)               = 0
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3)                    = 0
[pid  5892] write(1, "executing program\n", 18) = 18
[pid  5892] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5892] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5892] sendfile(4, 3, [100] <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5893 attached
, child_tidptr=0x5555652cd650) = 5893
[pid  5893] set_robust_list(0x5555652cd660, 24) = 0
[pid  5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5893] setpgid(0, 0 <unfinished ...>
[pid  5892] <... sendfile resumed> => [671], 571) = 571
[pid  5892] memfd_create("syzkaller", 0) = 5
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5893] <... setpgid resumed>)      = 0
[pid  5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5893] write(3, "1000", 4)         = 4
[pid  5893] close(3)                    = 0
[pid  5893] write(1, "executing program\n", 18executing program
) = 18
[   66.352685][ T5892] syz-executor537 (5892): drop_caches: 2
[   66.360312][ T5892] syz-executor537 (5892): drop_caches: 2
[pid  5893] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5891] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5893] <... openat resumed>)       = 3
[pid  5889] <... close resumed>)        = 0
[pid  5893] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5889] exit_group(0)               = ?
[pid  5889] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5893] <... openat resumed>)       = 4
[pid  5893] sendfile(4, 3, [100] <unfinished ...>
[pid  5817] <... restart_syscall resumed>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5894
[pid  5890] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216./strace-static-x86_64: Process 5894 attached
 <unfinished ...>
[pid  5893] <... sendfile resumed> => [671], 571) = 571
[pid  5894] set_robust_list(0x5555652cd660, 24) = 0
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5894] setpgid(0, 0)               = 0
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5893] <... memfd_create resumed>) = 5
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5894] write(3, "1000", 4executing program
 <unfinished ...>
[pid  5893] <... mmap resumed>)         = 0x7f67fc800000
[pid  5894] <... write resumed>)        = 4
[pid  5894] close(3)                    = 0
[pid  5894] write(1, "executing program\n", 18) = 18
[pid  5894] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5894] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   66.433204][ T5893] syz-executor537 (5893): drop_caches: 2
[   66.439305][ T5893] syz-executor537 (5893): drop_caches: 2
[   66.471863][ T5894] syz-executor537 (5894): drop_caches: 2
[pid  5894] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5894] memfd_create("syzkaller", 0) = 5
[pid  5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   66.490290][ T5894] syz-executor537 (5894): drop_caches: 2
[pid  5892] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5890] <... write resumed>)        = 16777216
[pid  5890] munmap(0x7f67fc800000, 138412032) = 0
[pid  5891] <... write resumed>)        = 16777216
[pid  5893] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5890] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5891] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5890] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5890] close(5 <unfinished ...>
[pid  5891] <... munmap resumed>)       = 0
[pid  5891] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5891] close(5 <unfinished ...>
[pid  5892] <... write resumed>)        = 16777216
[pid  5892] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5894] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5892] <... munmap resumed>)       = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] close(5 <unfinished ...>
[pid  5890] <... close resumed>)        = 0
[pid  5890] exit_group(0)               = ?
[pid  5891] <... close resumed>)        = 0
[pid  5891] exit_group(0 <unfinished ...>
[pid  5890] +++ exited with 0 +++
[pid  5891] <... exit_group resumed>)   = ?
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5891] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached
./strace-static-x86_64: Process 5895 attached
 <unfinished ...>
[pid  5896] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5895] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5895
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5896
[pid  5896] <... set_robust_list resumed>) = 0
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5895] <... set_robust_list resumed>) = 0
[pid  5896] <... prctl resumed>)        = 0
[pid  5896] setpgid(0, 0 <unfinished ...>
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5896] <... setpgid resumed>)      = 0
[pid  5895] <... prctl resumed>)        = 0
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] <... openat resumed>)       = 3
[pid  5896] write(3, "1000", 4 <unfinished ...>
[pid  5895] write(3, "1000", 4 <unfinished ...>
[pid  5896] <... write resumed>)        = 4
[pid  5895] <... write resumed>)        = 4
[pid  5896] close(3)                    = 0
[pid  5895] close(3 <unfinished ...>
[pid  5896] write(1, "executing program\n", 18 <unfinished ...>
[pid  5895] <... close resumed>)        = 0
executing program
[pid  5896] <... write resumed>)        = 18
[pid  5895] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5896] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5895] <... write resumed>)        = 18
[pid  5896] <... openat resumed>)       = 3
[pid  5895] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5893] <... write resumed>)        = 16777216
[pid  5896] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5895] <... openat resumed>)       = 3
[pid  5893] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5896] <... openat resumed>)       = 4
[pid  5895] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5895] sendfile(4, 3, [100] <unfinished ...>
[pid  5896] sendfile(4, 3, [100] <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5894] <... write resumed>)        = 16777216
[pid  5893] <... munmap resumed>)       = 0
[pid  5892] exit_group(0 <unfinished ...>
[pid  5894] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5892] <... exit_group resumed>)   = ?
[pid  5892] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5895] <... sendfile resumed> => [671], 571) = 571
[pid  5895] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5897
./strace-static-x86_64: Process 5897 attached
[pid  5896] <... sendfile resumed> => [671], 571) = 571
[pid  5895] <... memfd_create resumed>) = 5
[pid  5893] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5897] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5896] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5896] <... memfd_create resumed>) = 5
[pid  5895] <... mmap resumed>)         = 0x7f67fc800000
[pid  5893] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5893] close(5 <unfinished ...>
[pid  5897] <... prctl resumed>)        = 0
[pid  5896] <... mmap resumed>)         = 0x7f67fc800000
[pid  5897] setpgid(0, 0 <unfinished ...>
[pid  5894] <... munmap resumed>)       = 0
[pid  5897] <... setpgid resumed>)      = 0
[pid  5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5894] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] <... openat resumed>)       = 3
[pid  5894] close(5 <unfinished ...>
[pid  5897] write(3, "1000", 4)         = 4
[pid  5897] close(3)                    = 0
executing program
[pid  5897] write(1, "executing program\n", 18) = 18
[pid  5897] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5897] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   66.863165][ T5896] syz-executor537 (5896): drop_caches: 2
[   66.869194][ T5895] syz-executor537 (5895): drop_caches: 2
[   66.869480][ T5896] syz-executor537 (5896): drop_caches: 2
[   66.880877][ T5895] syz-executor537 (5895): drop_caches: 2
[pid  5897] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5897] memfd_create("syzkaller", 0) = 5
[pid  5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   66.917444][ T5897] syz-executor537 (5897): drop_caches: 2
[   66.923959][ T5897] syz-executor537 (5897): drop_caches: 2
[pid  5894] <... close resumed>)        = 0
[pid  5894] exit_group(0 <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5894] <... exit_group resumed>)   = ?
[pid  5893] exit_group(0)               = ?
[pid  5896] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5894] +++ exited with 0 +++
[pid  5893] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5898
./strace-static-x86_64: Process 5898 attached
[pid  5898] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5898] <... set_robust_list resumed>) = 0
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5898] setpgid(0, 0 <unfinished ...>
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5898] <... setpgid resumed>)      = 0
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5899
[pid  5898] write(3, "1000", 4)         = 4
[pid  5898] close(3)                    = 0
executing program
[pid  5898] write(1, "executing program\n", 18) = 18
[pid  5898] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
./strace-static-x86_64: Process 5899 attached
[pid  5899] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5899] <... set_robust_list resumed>) = 0
[pid  5898] <... openat resumed>)       = 4
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5898] sendfile(4, 3, [100] <unfinished ...>
[pid  5899] <... prctl resumed>)        = 0
[pid  5899] setpgid(0, 0 <unfinished ...>
[pid  5897] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5899] <... setpgid resumed>)      = 0
[pid  5898] <... sendfile resumed> => [671], 571) = 571
[pid  5898] memfd_create("syzkaller", 0) = 5
[pid  5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5899] write(3, "1000", 4)         = 4
[pid  5899] close(3executing program
)                    = 0
[pid  5895] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5899] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5899] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5899] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5899] memfd_create("syzkaller", 0) = 5
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   67.075153][ T5898] syz-executor537 (5898): drop_caches: 2
[   67.082161][ T5898] syz-executor537 (5898): drop_caches: 2
[   67.107370][ T5899] syz-executor537 (5899): drop_caches: 2
[   67.113687][ T5899] syz-executor537 (5899): drop_caches: 2
[pid  5898] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5895] <... write resumed>)        = 16777216
[pid  5895] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5896] <... write resumed>)        = 16777216
[pid  5897] <... write resumed>)        = 16777216
[pid  5897] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5896] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5897] <... munmap resumed>)       = 0
[pid  5895] <... munmap resumed>)       = 0
[pid  5895] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5895] close(5 <unfinished ...>
[pid  5896] <... munmap resumed>)       = 0
[pid  5897] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5896] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5897] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5896] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] close(5 <unfinished ...>
[pid  5896] close(5 <unfinished ...>
[pid  5899] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5895] <... close resumed>)        = 0
[pid  5895] exit_group(0)               = ?
[pid  5895] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5898] <... write resumed>)        = 16777216
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5900
[pid  5898] munmap(0x7f67fc800000, 138412032./strace-static-x86_64: Process 5900 attached
 <unfinished ...>
[pid  5900] set_robust_list(0x5555652cd660, 24) = 0
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5900] setpgid(0, 0)               = 0
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5900] write(3, "1000", 4)         = 4
[pid  5900] close(3)                    = 0
executing program
[pid  5900] write(1, "executing program\n", 18 <unfinished ...>
[pid  5896] <... close resumed>)        = 0
[pid  5900] <... write resumed>)        = 18
[pid  5900] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5896] exit_group(0 <unfinished ...>
[pid  5900] <... openat resumed>)       = 3
[pid  5896] <... exit_group resumed>)   = ?
[pid  5900] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5898] <... munmap resumed>)       = 0
[pid  5897] <... close resumed>)        = 0
[pid  5896] +++ exited with 0 +++
[pid  5900] sendfile(4, 3, [100] <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=20 /* 0.20 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5901
[pid  5898] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5898] close(5 <unfinished ...>
[pid  5897] exit_group(0)               = ?
[pid  5897] +++ exited with 0 +++
./strace-static-x86_64: Process 5901 attached
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached
executing program
 <unfinished ...>
[pid  5902] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5902
[pid  5902] <... set_robust_list resumed>) = 0
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5902] setpgid(0, 0)               = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5902] write(3, "1000", 4)         = 4
[pid  5902] close(3)                    = 0
[pid  5902] write(1, "executing program\n", 18) = 18
[pid  5902] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5902] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5901] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5902] <... openat resumed>)       = 4
[pid  5901] <... set_robust_list resumed>) = 0
[pid  5902] sendfile(4, 3, [100] <unfinished ...>
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5900] <... sendfile resumed> => [671], 571) = 571
[pid  5901] setpgid(0, 0)               = 0
[pid  5900] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5900] <... memfd_create resumed>) = 5
[pid  5901] <... openat resumed>)       = 3
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5901] write(3, "1000", 4)         = 4
[pid  5900] <... mmap resumed>)         = 0x7f67fc800000
[pid  5901] close(3executing program
 <unfinished ...>
[pid  5902] <... sendfile resumed> => [671], 571) = 571
[pid  5901] <... close resumed>)        = 0
[pid  5901] write(1, "executing program\n", 18) = 18
[pid  5901] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5901] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   67.450887][ T5900] syz-executor537 (5900): drop_caches: 2
[   67.456769][ T5900] syz-executor537 (5900): drop_caches: 2
[   67.471728][ T5902] syz-executor537 (5902): drop_caches: 2
[   67.490213][ T5902] syz-executor537 (5902): drop_caches: 2
[pid  5901] sendfile(4, 3, [100] <unfinished ...>
[pid  5902] memfd_create("syzkaller", 0) = 5
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5901] <... sendfile resumed> => [671], 571) = 571
[pid  5901] memfd_create("syzkaller", 0) = 5
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5899] <... write resumed>)        = 16777216
[   67.498728][ T5901] syz-executor537 (5901): drop_caches: 2
[   67.504998][ T5901] syz-executor537 (5901): drop_caches: 2
[pid  5898] <... close resumed>)        = 0
[pid  5899] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5898] exit_group(0)               = ?
[pid  5898] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5899] <... munmap resumed>)       = 0
[pid  5817] <... restart_syscall resumed>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached
 <unfinished ...>
[pid  5903] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5903
[pid  5903] <... set_robust_list resumed>) = 0
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5903] setpgid(0, 0)               = 0
[pid  5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5903] write(3, "1000", 4 <unfinished ...>
[pid  5899] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5903] <... write resumed>)        = 4
[pid  5903] close(3)                    = 0
executing program
[pid  5903] write(1, "executing program\n", 18) = 18
[pid  5903] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5903] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5903] sendfile(4, 3, [100] <unfinished ...>
[pid  5899] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5899] close(5 <unfinished ...>
[pid  5903] <... sendfile resumed> => [671], 571) = 571
[pid  5903] memfd_create("syzkaller", 0) = 5
[pid  5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   67.604527][ T5903] syz-executor537 (5903): drop_caches: 2
[   67.620486][ T5903] syz-executor537 (5903): drop_caches: 2
[pid  5902] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5900] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5899] <... close resumed>)        = 0
[pid  5899] exit_group(0)               = ?
[pid  5899] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached
, child_tidptr=0x5555652cd650) = 5904
executing program
[pid  5901] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5904] set_robust_list(0x5555652cd660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0)               = 0
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4)         = 4
[pid  5904] close(3)                    = 0
[pid  5904] write(1, "executing program\n", 18) = 18
[pid  5904] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5904] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5904] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5900] <... write resumed>)        = 16777216
[pid  5904] memfd_create("syzkaller", 0) = 5
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5903] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[   67.783643][ T5904] syz-executor537 (5904): drop_caches: 2
[   67.789546][ T5904] syz-executor537 (5904): drop_caches: 2
[pid  5900] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5902] <... write resumed>)        = 16777216
[pid  5900] <... munmap resumed>)       = 0
[pid  5900] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5902] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5900] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5900] close(5 <unfinished ...>
[pid  5902] <... munmap resumed>)       = 0
[pid  5902] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5902] close(5)                    = 0
[pid  5902] exit_group(0)               = ?
[pid  5902] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5905
./strace-static-x86_64: Process 5905 attached
[pid  5905] set_robust_list(0x5555652cd660, 24) = 0
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5905] setpgid(0, 0)               = 0
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5905] write(3, "1000", 4)         = 4
[pid  5905] close(3)                    = 0
executing program
[pid  5905] write(1, "executing program\n", 18) = 18
[pid  5905] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5900] <... close resumed>)        = 0
[pid  5905] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5904] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5903] <... write resumed>)        = 16777216
[pid  5901] <... write resumed>)        = 16777216
[pid  5900] exit_group(0 <unfinished ...>
[pid  5905] <... openat resumed>)       = 4
[pid  5903] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5900] <... exit_group resumed>)   = ?
[pid  5905] sendfile(4, 3, [100] <unfinished ...>
[pid  5901] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5900] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=14 /* 0.14 s */} ---
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached
 <unfinished ...>
[pid  5906] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5906
[pid  5906] <... set_robust_list resumed>) = 0
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5906] setpgid(0, 0)               = 0
[pid  5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid  5906] write(3, "1000", 4)         = 4
[pid  5906] close(3)                    = 0
[pid  5906] write(1, "executing program\n", 18) = 18
[pid  5906] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5906] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5906] sendfile(4, 3, [100] <unfinished ...>
[pid  5903] <... munmap resumed>)       = 0
[pid  5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5903] close(5 <unfinished ...>
[pid  5901] <... munmap resumed>)       = 0
[pid  5905] <... sendfile resumed> => [671], 571) = 571
[pid  5901] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5905] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5901] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5905] <... memfd_create resumed>) = 5
[pid  5901] close(5 <unfinished ...>
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5906] <... sendfile resumed> => [671], 571) = 571
[pid  5906] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5905] <... mmap resumed>)         = 0x7f67fc800000
[pid  5906] <... memfd_create resumed>) = 5
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   68.011197][ T5905] syz-executor537 (5905): drop_caches: 2
[   68.017085][ T5905] syz-executor537 (5905): drop_caches: 2
[   68.022390][ T5906] syz-executor537 (5906): drop_caches: 2
[   68.042880][ T5906] syz-executor537 (5906): drop_caches: 2
[pid  5903] <... close resumed>)        = 0
[pid  5903] exit_group(0)               = ?
[pid  5903] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached
 <unfinished ...>
[pid  5907] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5901] <... close resumed>)        = 0
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5907
[pid  5907] <... set_robust_list resumed>) = 0
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5907] setpgid(0, 0)               = 0
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5907] write(3, "1000", 4)         = 4
[pid  5907] close(3executing program
)                    = 0
[pid  5907] write(1, "executing program\n", 18) = 18
[pid  5907] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5907] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5907] sendfile(4, 3, [100] <unfinished ...>
[pid  5901] exit_group(0)               = ?
[pid  5907] <... sendfile resumed> => [671], 571) = 571
[pid  5907] memfd_create("syzkaller", 0) = 5
[pid  5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5901] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached
 <unfinished ...>
[pid  5904] <... write resumed>)        = 16777216
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5908
[pid  5908] set_robust_list(0x5555652cd660, 24) = 0
[pid  5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5908] setpgid(0, 0)               = 0
[pid  5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5908] write(3, "1000", 4)         = 4
[pid  5904] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5908] close(3)                    = 0
executing program
[pid  5908] write(1, "executing program\n", 18) = 18
[pid  5908] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5908] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   68.163937][ T5907] syz-executor537 (5907): drop_caches: 2
[   68.180618][ T5907] syz-executor537 (5907): drop_caches: 2
[pid  5908] sendfile(4, 3, [100] <unfinished ...>
[pid  5906] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5904] <... munmap resumed>)       = 0
[pid  5908] <... sendfile resumed> => [671], 571) = 571
[pid  5904] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5904] close(5 <unfinished ...>
[pid  5908] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5905] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5908] <... memfd_create resumed>) = 5
[pid  5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   68.213584][ T5908] syz-executor537 (5908): drop_caches: 2
[   68.219470][ T5908] syz-executor537 (5908): drop_caches: 2
[pid  5904] <... close resumed>)        = 0
[pid  5904] exit_group(0)               = ?
[pid  5907] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5904] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5909
./strace-static-x86_64: Process 5909 attached
[pid  5909] set_robust_list(0x5555652cd660, 24) = 0
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid  5909] setpgid(0, 0)               = 0
[pid  5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5909] write(3, "1000", 4)         = 4
[pid  5909] close(3)                    = 0
[pid  5909] write(1, "executing program\n", 18) = 18
[pid  5909] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5909] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5909] sendfile(4, 3, [100] <unfinished ...>
[pid  5906] <... write resumed>)        = 16777216
[pid  5909] <... sendfile resumed> => [671], 571) = 571
[pid  5906] munmap(0x7f67fc800000, 138412032) = 0
[pid  5909] memfd_create("syzkaller", 0) = 5
[pid  5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5908] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5906] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5905] <... write resumed>)        = 16777216
[   68.402647][ T5909] syz-executor537 (5909): drop_caches: 2
[   68.414535][ T5909] syz-executor537 (5909): drop_caches: 2
[pid  5906] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5905] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5906] close(5 <unfinished ...>
[pid  5905] <... munmap resumed>)       = 0
[pid  5905] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5905] close(5 <unfinished ...>
[pid  5907] <... write resumed>)        = 16777216
[pid  5907] munmap(0x7f67fc800000, 138412032) = 0
[pid  5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5907] close(5 <unfinished ...>
[pid  5905] <... close resumed>)        = 0
[pid  5909] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5906] <... close resumed>)        = 0
[pid  5905] exit_group(0)               = ?
[pid  5906] exit_group(0 <unfinished ...>
[pid  5905] +++ exited with 0 +++
[pid  5906] <... exit_group resumed>)   = ?
[pid  5906] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached
./strace-static-x86_64: Process 5911 attached
 <unfinished ...>
[pid  5910] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5908] <... write resumed>)        = 16777216
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5910
[pid  5911] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5910] <... set_robust_list resumed>) = 0
[pid  5911] <... set_robust_list resumed>) = 0
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5910] <... prctl resumed>)        = 0
[pid  5908] munmap(0x7f67fc800000, 138412032 <unfinished ...>
executing program
executing program
[pid  5907] <... close resumed>)        = 0
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5911
[pid  5911] <... prctl resumed>)        = 0
[pid  5910] setpgid(0, 0 <unfinished ...>
[pid  5911] setpgid(0, 0)               = 0
[pid  5910] <... setpgid resumed>)      = 0
[pid  5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5911] <... openat resumed>)       = 3
[pid  5910] <... openat resumed>)       = 3
[pid  5911] write(3, "1000", 4)         = 4
[pid  5910] write(3, "1000", 4 <unfinished ...>
[pid  5911] close(3 <unfinished ...>
[pid  5910] <... write resumed>)        = 4
[pid  5911] <... close resumed>)        = 0
[pid  5911] write(1, "executing program\n", 18 <unfinished ...>
[pid  5910] close(3 <unfinished ...>
[pid  5911] <... write resumed>)        = 18
[pid  5910] <... close resumed>)        = 0
[pid  5911] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5910] write(1, "executing program\n", 18 <unfinished ...>
[pid  5911] <... openat resumed>)       = 3
[pid  5910] <... write resumed>)        = 18
[pid  5911] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5910] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5911] <... openat resumed>)       = 4
[pid  5910] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5910] sendfile(4, 3, [100] <unfinished ...>
[pid  5911] sendfile(4, 3, [100] <unfinished ...>
[pid  5907] exit_group(0)               = ?
[pid  5907] +++ exited with 0 +++
[pid  5908] <... munmap resumed>)       = 0
[pid  5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5908] close(5 <unfinished ...>
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5910] <... sendfile resumed> => [671], 571) = 571
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5911] <... sendfile resumed> => [671], 571) = 571
[pid  5911] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5911] <... memfd_create resumed>) = 5
[pid  5910] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5817] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5910] <... memfd_create resumed>) = 5
[pid  5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
./strace-static-x86_64: Process 5912 attached
[pid  5911] <... mmap resumed>)         = 0x7f67fc800000
[pid  5912] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5912
[pid  5912] <... set_robust_list resumed>) = 0
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5912] setpgid(0, 0)               = 0
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5912] write(3, "1000", 4)         = 4
[pid  5909] <... write resumed>)        = 16777216
[pid  5912] close(3 <unfinished ...>
[pid  5909] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[   68.661056][ T5910] syz-executor537 (5910): drop_caches: 2
[   68.667168][ T5910] syz-executor537 (5910): drop_caches: 2
[   68.674726][ T5911] syz-executor537 (5911): drop_caches: 2
[   68.681227][ T5911] syz-executor537 (5911): drop_caches: 2
[pid  5912] write(1, "executing program\n", 18executing program
) = 18
[pid  5912] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5909] <... munmap resumed>)       = 0
[pid  5912] <... openat resumed>)       = 3
[pid  5909] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5912] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5909] close(5 <unfinished ...>
[pid  5912] <... openat resumed>)       = 4
[pid  5912] sendfile(4, 3, [100] <unfinished ...>
[pid  5908] <... close resumed>)        = 0
[pid  5908] exit_group(0)               = ?
[pid  5908] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 5913 attached
 <unfinished ...>
[pid  5913] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5913
[pid  5913] <... set_robust_list resumed>) = 0
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5913] setpgid(0, 0)               = 0
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5913] write(3, "1000", 4)         = 4
[pid  5913] close(3)                    = 0
[pid  5913] write(1, "executing program\n", 18) = 18
[pid  5913] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   68.771115][ T5912] syz-executor537 (5912): drop_caches: 2
[   68.776965][ T5912] syz-executor537 (5912): drop_caches: 2
[pid  5913] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5913] sendfile(4, 3, [100] <unfinished ...>
[pid  5912] <... sendfile resumed> => [671], 571) = 571
[pid  5912] memfd_create("syzkaller", 0) = 5
[pid  5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5913] <... sendfile resumed> => [671], 571) = 571
[pid  5913] memfd_create("syzkaller", 0) = 5
[pid  5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   68.812753][ T5913] syz-executor537 (5913): drop_caches: 2
[   68.818661][ T5913] syz-executor537 (5913): drop_caches: 2
[pid  5911] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5910] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5909] <... close resumed>)        = 0
[pid  5909] exit_group(0)               = ?
[pid  5909] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached
, child_tidptr=0x5555652cd650) = 5914
[pid  5914] set_robust_list(0x5555652cd660, 24) = 0
executing program
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5914] setpgid(0, 0)               = 0
[pid  5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5914] write(3, "1000", 4)         = 4
[pid  5914] close(3)                    = 0
[pid  5914] write(1, "executing program\n", 18) = 18
[pid  5914] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5914] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5914] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5914] memfd_create("syzkaller", 0) = 5
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   68.913685][ T5914] syz-executor537 (5914): drop_caches: 2
[   68.933358][ T5914] syz-executor537 (5914): drop_caches: 2
[pid  5912] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5913] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5914] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5911] <... write resumed>)        = 16777216
[pid  5910] <... write resumed>)        = 16777216
[pid  5911] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5910] munmap(0x7f67fc800000, 138412032) = 0
[pid  5911] <... munmap resumed>)       = 0
[pid  5910] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5910] close(5 <unfinished ...>
[pid  5911] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5911] close(5)                    = 0
[pid  5911] exit_group(0)               = ?
[pid  5911] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached
, child_tidptr=0x5555652cd650) = 5915
[pid  5912] <... write resumed>)        = 16777216
[pid  5912] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5915] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5910] <... close resumed>)        = 0
[pid  5915] <... set_robust_list resumed>) = 0
[pid  5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5915] setpgid(0, 0)               = 0
[pid  5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5913] <... write resumed>)        = 16777216
[pid  5912] <... munmap resumed>)       = 0
[pid  5910] exit_group(0 <unfinished ...>
[pid  5915] <... openat resumed>)       = 3
[pid  5913] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5910] <... exit_group resumed>)   = ?
[pid  5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5915] write(3, "1000", 4 <unfinished ...>
[pid  5913] <... munmap resumed>)       = 0
[pid  5910] +++ exited with 0 +++
[pid  5915] <... write resumed>)        = 4
[pid  5913] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5912] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5915] close(3 <unfinished ...>
[pid  5913] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5912] close(5 <unfinished ...>
[pid  5915] <... close resumed>)        = 0
executing program
[pid  5915] write(1, "executing program\n", 18 <unfinished ...>
[pid  5913] close(5 <unfinished ...>
[pid  5915] <... write resumed>)        = 18
[pid  5915] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5915] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5915] sendfile(4, 3, [100]./strace-static-x86_64: Process 5916 attached
 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5916
[pid  5916] set_robust_list(0x5555652cd660, 24) = 0
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5916] setpgid(0, 0)               = 0
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5916] write(3, "1000", 4executing program
)         = 4
[pid  5916] close(3)                    = 0
[pid  5916] write(1, "executing program\n", 18) = 18
[pid  5916] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5916] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5916] sendfile(4, 3, [100] <unfinished ...>
[pid  5915] <... sendfile resumed> => [671], 571) = 571
[pid  5915] memfd_create("syzkaller", 0) = 5
[pid  5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5916] <... sendfile resumed> => [671], 571) = 571
[pid  5916] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5914] <... write resumed>)        = 16777216
[pid  5916] <... memfd_create resumed>) = 5
[pid  5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   69.262805][ T5915] syz-executor537 (5915): drop_caches: 2
[   69.268952][ T5915] syz-executor537 (5915): drop_caches: 2
[   69.282863][ T5916] syz-executor537 (5916): drop_caches: 2
[   69.288963][ T5916] syz-executor537 (5916): drop_caches: 2
[pid  5914] munmap(0x7f67fc800000, 138412032) = 0
[pid  5914] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5914] close(5 <unfinished ...>
[pid  5913] <... close resumed>)        = 0
[pid  5913] exit_group(0)               = ?
[pid  5913] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5917
./strace-static-x86_64: Process 5917 attached
[pid  5917] set_robust_list(0x5555652cd660, 24) = 0
[pid  5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5917] setpgid(0, 0)               = 0
[pid  5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5917] write(3, "1000", 4)         = 4
[pid  5917] close(3)                    = 0
[pid  5917] write(1, "executing program\n", 18) = 18
[pid  5917] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5917] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5917] sendfile(4, 3, [100] <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5917] <... sendfile resumed> => [671], 571) = 571
[pid  5912] exit_group(0)               = ?
[pid  5917] memfd_create("syzkaller", 0) = 5
[pid  5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5912] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5918
./strace-static-x86_64: Process 5918 attached
[pid  5918] set_robust_list(0x5555652cd660, 24) = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5918] setpgid(0, 0)               = 0
[   69.368675][ T5917] syz-executor537 (5917): drop_caches: 2
[   69.380587][ T5917] syz-executor537 (5917): drop_caches: 2
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5915] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5918] write(3, "1000", 4)         = 4
[pid  5914] <... close resumed>)        = 0
[pid  5918] close(3)                    = 0
[pid  5918] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5914] exit_group(0 <unfinished ...>
[pid  5918] <... write resumed>)        = 18
[pid  5914] <... exit_group resumed>)   = ?
[pid  5918] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5914] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} ---
[pid  5918] <... openat resumed>)       = 3
[pid  5918] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5916] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5918] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5918] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached
, child_tidptr=0x5555652cd650) = 5919
[pid  5919] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5918] <... memfd_create resumed>) = 5
[pid  5919] <... set_robust_list resumed>) = 0
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5919] <... prctl resumed>)        = 0
[pid  5919] setpgid(0, 0 <unfinished ...>
[pid  5918] <... mmap resumed>)         = 0x7f67fc800000
[pid  5919] <... setpgid resumed>)      = 0
[pid  5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5919] write(3, "1000", 4)         = 4
[pid  5919] close(3)                    = 0
executing program
[pid  5919] write(1, "executing program\n", 18) = 18
[pid  5919] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5919] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   69.498651][ T5918] syz-executor537 (5918): drop_caches: 2
[   69.505154][ T5918] syz-executor537 (5918): drop_caches: 2
[   69.536172][ T5919] syz-executor537 (5919): drop_caches: 2
[pid  5919] sendfile(4, 3, [100] <unfinished ...>
[pid  5917] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5919] <... sendfile resumed> => [671], 571) = 571
[pid  5919] memfd_create("syzkaller", 0) = 5
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   69.558675][ T5919] syz-executor537 (5919): drop_caches: 2
[pid  5915] <... write resumed>)        = 16777216
[pid  5915] munmap(0x7f67fc800000, 138412032) = 0
[pid  5916] <... write resumed>)        = 16777216
[pid  5915] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5916] munmap(0x7f67fc800000, 138412032) = 0
[pid  5915] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5915] close(5 <unfinished ...>
[pid  5916] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5916] close(5 <unfinished ...>
[pid  5917] <... write resumed>)        = 16777216
[pid  5917] munmap(0x7f67fc800000, 138412032) = 0
[pid  5917] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5917] close(5 <unfinished ...>
[pid  5918] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5916] <... close resumed>)        = 0
[pid  5916] exit_group(0)               = ?
[pid  5916] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5915] <... close resumed>)        = 0
[pid  5915] exit_group(0)               = ?
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5915] +++ exited with 0 +++
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5919] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5920
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=13 /* 0.13 s */} ---
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5921
./strace-static-x86_64: Process 5921 attached
[pid  5921] set_robust_list(0x5555652cd660, 24) = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5921] setpgid(0, 0)               = 0
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5921] write(3, "1000", 4)         = 4
./strace-static-x86_64: Process 5920 attached
[pid  5921] close(3)                    = 0
executing program
[pid  5921] write(1, "executing program\n", 18) = 18
[pid  5921] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5921] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5921] sendfile(4, 3, [100] <unfinished ...>
[pid  5920] set_robust_list(0x5555652cd660, 24) = 0
[pid  5920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5920] setpgid(0, 0)               = 0
[pid  5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5917] <... close resumed>)        = 0
[pid  5920] <... openat resumed>)       = 3
[pid  5920] write(3, "1000", 4)         = 4
[pid  5920] close(3)                    = 0
[pid  5920] write(1, "executing program\n", 18executing program
) = 18
[pid  5917] exit_group(0 <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5917] <... exit_group resumed>)   = ?
[pid  5920] <... openat resumed>)       = 3
[pid  5917] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5920] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5920] <... openat resumed>)       = 4
[pid  5920] sendfile(4, 3, [100]executing program
 <unfinished ...>
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5922
./strace-static-x86_64: Process 5922 attached
[pid  5922] set_robust_list(0x5555652cd660, 24) = 0
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5922] setpgid(0, 0)               = 0
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3)                    = 0
[pid  5922] write(1, "executing program\n", 18) = 18
[pid  5922] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5922] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5922] sendfile(4, 3, [100] <unfinished ...>
[pid  5921] <... sendfile resumed> => [671], 571) = 571
[pid  5922] <... sendfile resumed> => [671], 571) = 571
[pid  5921] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5922] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5921] <... memfd_create resumed>) = 5
[pid  5922] <... memfd_create resumed>) = 5
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5921] <... mmap resumed>)         = 0x7f67fc800000
[pid  5922] <... mmap resumed>)         = 0x7f67fc800000
[pid  5920] <... sendfile resumed> => [671], 571) = 571
[   69.823757][ T5921] syz-executor537 (5921): drop_caches: 2
[   69.838221][ T5921] syz-executor537 (5921): drop_caches: 2
[   69.838622][ T5920] syz-executor537 (5920): drop_caches: 2
[   69.850450][ T5922] syz-executor537 (5922): drop_caches: 2
[   69.857623][ T5922] syz-executor537 (5922): drop_caches: 2
[   69.864469][ T5920] syz-executor537 (5920): drop_caches: 2
[pid  5920] memfd_create("syzkaller", 0) = 5
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5918] <... write resumed>)        = 16777216
[pid  5918] munmap(0x7f67fc800000, 138412032) = 0
[pid  5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5918] close(5 <unfinished ...>
[pid  5919] <... write resumed>)        = 16777216
[pid  5919] munmap(0x7f67fc800000, 138412032) = 0
[pid  5919] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5919] close(5 <unfinished ...>
[pid  5921] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5922] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5920] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5918] <... close resumed>)        = 0
[pid  5918] exit_group(0)               = ?
[pid  5918] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=16 /* 0.16 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5923
[pid  5919] <... close resumed>)        = 0
./strace-static-x86_64: Process 5923 attached
[pid  5923] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5919] exit_group(0 <unfinished ...>
[pid  5923] <... set_robust_list resumed>) = 0
[pid  5919] <... exit_group resumed>)   = ?
[pid  5923] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5919] +++ exited with 0 +++
[pid  5923] <... prctl resumed>)        = 0
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=15 /* 0.15 s */} ---
executing program
[pid  5923] setpgid(0, 0 <unfinished ...>
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5923] <... setpgid resumed>)      = 0
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5923] <... openat resumed>)       = 3
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5923] write(3, "1000", 4 <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5923] <... write resumed>)        = 4
./strace-static-x86_64: Process 5924 attached
[pid  5923] close(3 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5924
[pid  5923] <... close resumed>)        = 0
[pid  5923] write(1, "executing program\n", 18 <unfinished ...>
[pid  5924] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5923] <... write resumed>)        = 18
[pid  5924] <... set_robust_list resumed>) = 0
[pid  5924] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5923] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5924] <... prctl resumed>)        = 0
[pid  5923] <... openat resumed>)       = 3
[pid  5924] setpgid(0, 0 <unfinished ...>
[pid  5923] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5924] <... setpgid resumed>)      = 0
[pid  5923] <... openat resumed>)       = 4
[pid  5923] sendfile(4, 3, [100] <unfinished ...>
[pid  5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5924] write(3, "1000", 4)         = 4
[pid  5924] close(3)                    = 0
[pid  5924] write(1, "executing program\n", 18executing program
) = 18
[pid  5924] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5924] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5924] sendfile(4, 3, [100] <unfinished ...>
[pid  5923] <... sendfile resumed> => [671], 571) = 571
[pid  5924] <... sendfile resumed> => [671], 571) = 571
[pid  5923] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5924] memfd_create("syzkaller", 0) = 5
[pid  5923] <... memfd_create resumed>) = 5
[pid  5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5924] <... mmap resumed>)         = 0x7f67fc800000
[pid  5923] <... mmap resumed>)         = 0x7f67fc800000
[pid  5921] <... write resumed>)        = 16777216
[   70.158725][ T5923] syz-executor537 (5923): drop_caches: 2
[   70.169075][ T5924] syz-executor537 (5924): drop_caches: 2
[   70.180285][ T5923] syz-executor537 (5923): drop_caches: 2
[   70.186249][ T5924] syz-executor537 (5924): drop_caches: 2
[pid  5921] munmap(0x7f67fc800000, 138412032) = 0
[pid  5920] <... write resumed>)        = 16777216
[pid  5921] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5920] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5921] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5920] <... munmap resumed>)       = 0
[pid  5922] <... write resumed>)        = 16777216
[pid  5921] close(5 <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5920] close(5 <unfinished ...>
[pid  5922] munmap(0x7f67fc800000, 138412032) = 0
[pid  5922] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5922] close(5 <unfinished ...>
[pid  5924] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5920] <... close resumed>)        = 0
[pid  5923] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5920] exit_group(0)               = ?
[pid  5920] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=14 /* 0.14 s */} ---
[pid  5921] <... close resumed>)        = 0
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5921] exit_group(0)               = ?
[pid  5921] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} ---
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5925
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5926
./strace-static-x86_64: Process 5925 attached
[pid  5925] set_robust_list(0x5555652cd660, 24) = 0
[pid  5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5925] setpgid(0, 0)               = 0
[pid  5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5925] write(3, "1000", 4)         = 4
[pid  5925] close(3executing program
)                    = 0
[pid  5925] write(1, "executing program\n", 18) = 18
[pid  5925] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5925] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5925] sendfile(4, 3, [100]./strace-static-x86_64: Process 5926 attached
 <unfinished ...>
[pid  5926] set_robust_list(0x5555652cd660, 24) = 0
[pid  5925] <... sendfile resumed> => [671], 571) = 571
[pid  5926] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5925] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5926] <... prctl resumed>)        = 0
[pid  5925] <... memfd_create resumed>) = 5
[pid  5926] setpgid(0, 0 <unfinished ...>
[pid  5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5926] <... setpgid resumed>)      = 0
[pid  5925] <... mmap resumed>)         = 0x7f67fc800000
[pid  5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5922] <... close resumed>)        = 0
[pid  5926] <... openat resumed>)       = 3
[pid  5922] exit_group(0 <unfinished ...>
[pid  5926] write(3, "1000", 4 <unfinished ...>
[pid  5922] <... exit_group resumed>)   = ?
[pid  5926] <... write resumed>)        = 4
[   70.426473][ T5925] syz-executor537 (5925): drop_caches: 2
[   70.441524][ T5925] syz-executor537 (5925): drop_caches: 2
executing program
[pid  5926] close(3 <unfinished ...>
[pid  5922] +++ exited with 0 +++
[pid  5926] <... close resumed>)        = 0
[pid  5926] write(1, "executing program\n", 18) = 18
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=23 /* 0.23 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5926] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5926] <... openat resumed>)       = 4
[pid  5926] sendfile(4, 3, [100] <unfinished ...>
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5927
./strace-static-x86_64: Process 5927 attached
[pid  5926] <... sendfile resumed> => [671], 571) = 571
[pid  5927] set_robust_list(0x5555652cd660, 24) = 0
[pid  5926] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5927] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5926] <... memfd_create resumed>) = 5
[pid  5927] <... prctl resumed>)        = 0
[pid  5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5927] setpgid(0, 0 <unfinished ...>
[pid  5926] <... mmap resumed>)         = 0x7f67fc800000
[pid  5927] <... setpgid resumed>)      = 0
[pid  5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5927] write(3, "1000", 4)         = 4
[pid  5927] close(3)                    = 0
[pid  5927] write(1, "executing program\n", 18executing program
) = 18
[pid  5927] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5924] <... write resumed>)        = 16777216
[pid  5924] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5927] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   70.492260][ T5926] syz-executor537 (5926): drop_caches: 2
[   70.498448][ T5926] syz-executor537 (5926): drop_caches: 2
[pid  5927] sendfile(4, 3, [100] <unfinished ...>
[pid  5923] <... write resumed>)        = 16777216
[pid  5924] <... munmap resumed>)       = 0
[pid  5924] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5924] close(5 <unfinished ...>
[pid  5923] munmap(0x7f67fc800000, 138412032) = 0
[pid  5927] <... sendfile resumed> => [671], 571) = 571
[pid  5927] memfd_create("syzkaller", 0) = 5
[pid  5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   70.559172][ T5927] syz-executor537 (5927): drop_caches: 2
[   70.565738][ T5927] syz-executor537 (5927): drop_caches: 2
[pid  5923] close(5 <unfinished ...>
[pid  5925] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5924] <... close resumed>)        = 0
[pid  5924] exit_group(0)               = ?
[pid  5924] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5928 attached
, child_tidptr=0x5555652cd650) = 5928
[pid  5928] set_robust_list(0x5555652cd660, 24) = 0
[pid  5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5928] setpgid(0, 0)               = 0
[pid  5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5928] write(3, "1000", 4)         = 4
[pid  5928] close(3)                    = 0
executing program
[pid  5928] write(1, "executing program\n", 18) = 18
[pid  5928] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5928] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5928] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5928] memfd_create("syzkaller", 0) = 5
[pid  5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   70.673768][ T5928] syz-executor537 (5928): drop_caches: 2
[   70.691259][ T5928] syz-executor537 (5928): drop_caches: 2
[pid  5926] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5923] <... close resumed>)        = 0
[pid  5923] exit_group(0)               = ?
[pid  5923] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5929 attached
, child_tidptr=0x5555652cd650) = 5929
[pid  5929] set_robust_list(0x5555652cd660, 24) = 0
[pid  5929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5929] setpgid(0, 0)               = 0
[pid  5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5929] write(3, "1000", 4)         = 4
[pid  5929] close(3)                    = 0
[pid  5929] write(1, "executing program\n", 18executing program
) = 18
[pid  5929] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5929] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5929] sendfile(4, 3, [100] <unfinished ...>
[pid  5927] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5929] <... sendfile resumed> => [671], 571) = 571
[pid  5925] <... write resumed>)        = 16777216
[pid  5925] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5929] memfd_create("syzkaller", 0) = 5
[pid  5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5925] <... munmap resumed>)       = 0
[pid  5925] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[   70.779460][ T5929] syz-executor537 (5929): drop_caches: 2
[   70.810478][ T5929] syz-executor537 (5929): drop_caches: 2
[pid  5925] close(5 <unfinished ...>
[pid  5928] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5926] <... write resumed>)        = 16777216
[pid  5926] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5925] <... close resumed>)        = 0
[pid  5926] <... munmap resumed>)       = 0
[pid  5926] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5926] close(5 <unfinished ...>
[pid  5925] exit_group(0)               = ?
[pid  5927] <... write resumed>)        = 16777216
[pid  5925] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5930 attached
 <unfinished ...>
[pid  5927] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5930
[pid  5930] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5927] <... munmap resumed>)       = 0
[pid  5930] <... set_robust_list resumed>) = 0
[pid  5929] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5927] close(5 <unfinished ...>
[pid  5930] setpgid(0, 0)               = 0
[pid  5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5928] <... write resumed>)        = 16777216
[pid  5930] <... openat resumed>)       = 3
[pid  5930] write(3, "1000", 4)         = 4
[pid  5930] close(3)                    = 0
[pid  5928] munmap(0x7f67fc800000, 138412032executing program
 <unfinished ...>
[pid  5930] write(1, "executing program\n", 18) = 18
[pid  5930] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5930] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5930] sendfile(4, 3, [100] <unfinished ...>
[pid  5928] <... munmap resumed>)       = 0
[pid  5926] <... close resumed>)        = 0
[pid  5930] <... sendfile resumed> => [671], 571) = 571
[pid  5930] memfd_create("syzkaller", 0) = 5
[pid  5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5928] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5926] exit_group(0 <unfinished ...>
[pid  5928] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5926] <... exit_group resumed>)   = ?
[pid  5928] close(5 <unfinished ...>
[pid  5926] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5931
./strace-static-x86_64: Process 5931 attached
[pid  5931] set_robust_list(0x5555652cd660, 24) = 0
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5931] setpgid(0, 0)               = 0
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5931] write(3, "1000", 4)         = 4
[pid  5931] close(3)                    = 0
[pid  5931] write(1, "executing program\n", 18executing program
) = 18
[pid  5931] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5931] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   71.065016][ T5930] syz-executor537 (5930): drop_caches: 2
[   71.071053][ T5930] syz-executor537 (5930): drop_caches: 2
[pid  5931] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5931] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5927] <... close resumed>)        = 0
[pid  5931] <... memfd_create resumed>) = 5
[pid  5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5927] exit_group(0)               = ?
[pid  5929] <... write resumed>)        = 16777216
[pid  5927] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[   71.106564][ T5931] syz-executor537 (5931): drop_caches: 2
[   71.130502][ T5931] syz-executor537 (5931): drop_caches: 2
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5932 attached
 <unfinished ...>
[pid  5929] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5928] <... close resumed>)        = 0
[pid  5932] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x5555652cd650) = 5932
[pid  5928] exit_group(0)               = ?
[pid  5932] <... set_robust_list resumed>) = 0
[pid  5928] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5932] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5932] <... prctl resumed>)        = 0
[pid  5932] setpgid(0, 0 <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5932] <... setpgid resumed>)      = 0
[pid  5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5932] <... openat resumed>)       = 3
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5932] write(3, "1000", 4 <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5932] <... write resumed>)        = 4
./strace-static-x86_64: Process 5933 attached
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5933
[pid  5932] close(3 <unfinished ...>
[pid  5933] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5932] <... close resumed>)        = 0
executing program
[pid  5932] write(1, "executing program\n", 18) = 18
[pid  5932] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5929] <... munmap resumed>)       = 0
[pid  5929] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5932] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5929] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5929] close(5 <unfinished ...>
[pid  5933] <... set_robust_list resumed>) = 0
[pid  5932] <... openat resumed>)       = 4
[pid  5933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5932] sendfile(4, 3, [100] <unfinished ...>
[pid  5933] setpgid(0, 0)               = 0
[pid  5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5933] write(3, "1000", 4)         = 4
[pid  5933] close(3)                    = 0
executing program
[pid  5933] write(1, "executing program\n", 18) = 18
[pid  5933] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5933] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5933] sendfile(4, 3, [100] <unfinished ...>
[pid  5932] <... sendfile resumed> => [671], 571) = 571
[pid  5932] memfd_create("syzkaller", 0) = 5
[pid  5933] <... sendfile resumed> => [671], 571) = 571
[pid  5933] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5933] <... memfd_create resumed>) = 5
[pid  5932] <... mmap resumed>)         = 0x7f67fc800000
[pid  5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5930] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[   71.221299][ T5932] syz-executor537 (5932): drop_caches: 2
[   71.227209][ T5932] syz-executor537 (5932): drop_caches: 2
[   71.243672][ T5933] syz-executor537 (5933): drop_caches: 2
[   71.249782][ T5933] syz-executor537 (5933): drop_caches: 2
[pid  5931] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5929] exit_group(0)               = ?
[pid  5929] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5934
./strace-static-x86_64: Process 5934 attached
[pid  5934] set_robust_list(0x5555652cd660, 24) = 0
[pid  5934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5934] setpgid(0, 0)               = 0
[pid  5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5934] write(3, "1000", 4)         = 4
[pid  5934] close(3)                    = 0
[pid  5934] write(1, "executing program\n", 18executing program
) = 18
[pid  5934] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5934] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5934] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5934] memfd_create("syzkaller", 0) = 5
[pid  5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   71.401124][ T5934] syz-executor537 (5934): drop_caches: 2
[   71.406988][ T5934] syz-executor537 (5934): drop_caches: 2
[pid  5933] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5932] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5931] <... write resumed>)        = 16777216
[pid  5931] munmap(0x7f67fc800000, 138412032) = 0
[pid  5930] <... write resumed>)        = 16777216
[pid  5931] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5930] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5931] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5930] <... munmap resumed>)       = 0
[pid  5931] close(5 <unfinished ...>
[pid  5930] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5930] close(5 <unfinished ...>
[pid  5933] <... write resumed>)        = 16777216
[pid  5934] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5933] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5930] <... close resumed>)        = 0
[pid  5931] <... close resumed>)        = 0
[pid  5930] exit_group(0 <unfinished ...>
[pid  5931] exit_group(0 <unfinished ...>
[pid  5930] <... exit_group resumed>)   = ?
[pid  5930] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} ---
[pid  5933] <... munmap resumed>)       = 0
[pid  5931] <... exit_group resumed>)   = ?
[pid  5931] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5932] <... write resumed>)        = 16777216
[pid  5933] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5933] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5932] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5933] close(5./strace-static-x86_64: Process 5935 attached
 <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5935
[pid  5935] set_robust_list(0x5555652cd660, 24) = 0
[pid  5935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5935] setpgid(0, 0)               = 0
[pid  5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5935] <... openat resumed>)       = 3
[pid  5935] write(3, "1000", 4./strace-static-x86_64: Process 5936 attached
)         = 4
[pid  5935] close(3)                    = 0
[pid  5936] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5935] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5936] <... set_robust_list resumed>) = 0
[pid  5935] <... write resumed>)        = 18
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5936
[pid  5935] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5935] <... openat resumed>)       = 3
[pid  5936] setpgid(0, 0 <unfinished ...>
[pid  5935] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5936] <... setpgid resumed>)      = 0
[pid  5935] <... openat resumed>)       = 4
[pid  5935] sendfile(4, 3, [100] <unfinished ...>
[pid  5932] <... munmap resumed>)       = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5932] close(5 <unfinished ...>
[pid  5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5935] <... sendfile resumed> => [671], 571) = 571
[pid  5936] write(3, "1000", 4)         = 4
[pid  5936] close(3)                    = 0
[pid  5936] write(1, "executing program\n", 18) = 18
[pid  5936] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5936] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5935] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5936] sendfile(4, 3, [100] <unfinished ...>
[pid  5935] <... memfd_create resumed>) = 5
[pid  5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   71.686089][ T5935] syz-executor537 (5935): drop_caches: 2
[   71.703857][ T5935] syz-executor537 (5935): drop_caches: 2
[   71.725990][ T5936] syz-executor537 (5936): drop_caches: 2
[pid  5936] <... sendfile resumed> => [671], 571) = 571
[pid  5934] <... write resumed>)        = 16777216
[pid  5936] memfd_create("syzkaller", 0) = 5
[pid  5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5934] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5933] <... close resumed>)        = 0
[pid  5933] exit_group(0)               = ?
[   71.732135][ T5936] syz-executor537 (5936): drop_caches: 2
[pid  5933] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5934] <... munmap resumed>)       = 0
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached
 <unfinished ...>
[pid  5937] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x5555652cd650) = 5937
[pid  5937] <... set_robust_list resumed>) = 0
[pid  5937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5937] setpgid(0, 0)               = 0
[pid  5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5934] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5937] write(3, "1000", 4)         = 4
[pid  5937] close(3)                    = 0
executing program
[pid  5937] write(1, "executing program\n", 18) = 18
[pid  5937] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5937] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5937] sendfile(4, 3, [100] <unfinished ...>
[pid  5934] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5934] close(5 <unfinished ...>
[pid  5932] <... close resumed>)        = 0
[pid  5937] <... sendfile resumed> => [671], 571) = 571
[pid  5937] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5932] exit_group(0 <unfinished ...>
[pid  5937] <... memfd_create resumed>) = 5
[pid  5932] <... exit_group resumed>)   = ?
[pid  5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5932] +++ exited with 0 +++
[pid  5937] <... mmap resumed>)         = 0x7f67fc800000
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5938
./strace-static-x86_64: Process 5938 attached
[   71.793505][ T5937] syz-executor537 (5937): drop_caches: 2
[   71.808629][ T5937] syz-executor537 (5937): drop_caches: 2
[pid  5938] set_robust_list(0x5555652cd660, 24) = 0
[pid  5938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5938] setpgid(0, 0)               = 0
[pid  5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5938] write(3, "1000", 4executing program
)         = 4
[pid  5938] close(3)                    = 0
[pid  5938] write(1, "executing program\n", 18) = 18
[pid  5938] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5938] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5938] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5934] <... close resumed>)        = 0
[pid  5938] memfd_create("syzkaller", 0) = 5
[pid  5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5934] exit_group(0 <unfinished ...>
[pid  5938] <... mmap resumed>)         = 0x7f67fc800000
[pid  5934] <... exit_group resumed>)   = ?
[pid  5934] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5936] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5817] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5935] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5939
./strace-static-x86_64: Process 5939 attached
[pid  5939] set_robust_list(0x5555652cd660, 24) = 0
[pid  5939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5939] setpgid(0, 0)               = 0
[pid  5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5939] write(3, "1000", 4)         = 4
[pid  5939] close(3)                    = 0
executing program
[pid  5939] write(1, "executing program\n", 18) = 18
[pid  5939] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5939] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   71.884653][ T5938] syz-executor537 (5938): drop_caches: 2
[   71.890553][ T5938] syz-executor537 (5938): drop_caches: 2
[pid  5939] sendfile(4, 3, [100] => [671], 571) = 571
[   71.943594][ T5939] syz-executor537 (5939): drop_caches: 2
[   71.949692][ T5939] syz-executor537 (5939): drop_caches: 2
[pid  5939] memfd_create("syzkaller", 0) = 5
[pid  5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5937] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5936] <... write resumed>)        = 16777216
[pid  5938] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5936] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5935] <... write resumed>)        = 16777216
[pid  5936] <... munmap resumed>)       = 0
[pid  5935] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5936] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5936] close(5 <unfinished ...>
[pid  5935] <... munmap resumed>)       = 0
[pid  5935] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5935] close(5 <unfinished ...>
[pid  5939] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5937] <... write resumed>)        = 16777216
[pid  5937] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5936] <... close resumed>)        = 0
[pid  5936] exit_group(0)               = ?
[pid  5936] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} ---
[pid  5937] <... munmap resumed>)       = 0
[pid  5937] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5937] close(5 <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5940 attached
 <unfinished ...>
[pid  5940] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x5555652cd650) = 5940
[pid  5940] <... set_robust_list resumed>) = 0
[pid  5940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5940] setpgid(0, 0)               = 0
[pid  5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5940] write(3, "1000", 4)         = 4
executing program
[pid  5940] close(3)                    = 0
[pid  5940] write(1, "executing program\n", 18) = 18
[pid  5940] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5940] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5940] sendfile(4, 3, [100] <unfinished ...>
[pid  5935] <... close resumed>)        = 0
[pid  5940] <... sendfile resumed> => [671], 571) = 571
[pid  5935] exit_group(0 <unfinished ...>
[pid  5940] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5935] <... exit_group resumed>)   = ?
[pid  5940] <... memfd_create resumed>) = 5
[pid  5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5935] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5941 attached
 <unfinished ...>
[pid  5941] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x5555652cd650) = 5941
[pid  5941] <... set_robust_list resumed>) = 0
[pid  5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5941] setpgid(0, 0)               = 0
[pid  5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5941] write(3, "1000", 4)         = 4
[pid  5941] close(3)                    = 0
[pid  5941] write(1, "executing program\n", 18executing program
) = 18
[pid  5941] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5941] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   72.273193][ T5940] syz-executor537 (5940): drop_caches: 2
[   72.291151][ T5940] syz-executor537 (5940): drop_caches: 2
[pid  5941] sendfile(4, 3, [100] <unfinished ...>
[pid  5939] <... write resumed>)        = 16777216
[pid  5938] <... write resumed>)        = 16777216
[pid  5939] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[   72.325846][ T5941] syz-executor537 (5941): drop_caches: 2
[   72.345457][ T5941] syz-executor537 (5941): drop_caches: 2
[pid  5938] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5939] <... munmap resumed>)       = 0
[pid  5938] <... munmap resumed>)       = 0
[pid  5941] <... sendfile resumed> => [671], 571) = 571
[pid  5937] <... close resumed>)        = 0
[pid  5938] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5939] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5941] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5939] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5938] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5937] exit_group(0 <unfinished ...>
[pid  5941] <... memfd_create resumed>) = 5
[pid  5939] close(5 <unfinished ...>
[pid  5938] close(5 <unfinished ...>
[pid  5937] <... exit_group resumed>)   = ?
[pid  5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5937] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5942
./strace-static-x86_64: Process 5942 attached
[pid  5942] set_robust_list(0x5555652cd660, 24) = 0
[pid  5942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5942] setpgid(0, 0)               = 0
[pid  5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5942] write(3, "1000", 4)         = 4
[pid  5942] close(3)                    = 0
executing program
[pid  5942] write(1, "executing program\n", 18) = 18
[pid  5942] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5942] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5942] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5940] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5942] memfd_create("syzkaller", 0) = 5
[pid  5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[pid  5939] <... close resumed>)        = 0
[pid  5939] exit_group(0)               = ?
[pid  5939] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} ---
[   72.418453][ T5942] syz-executor537 (5942): drop_caches: 2
[   72.430338][ T5942] syz-executor537 (5942): drop_caches: 2
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached
 <unfinished ...>
[pid  5943] set_robust_list(0x5555652cd660, 24 <unfinished ...>
[pid  5817] <... clone resumed>, child_tidptr=0x5555652cd650) = 5943
[pid  5943] <... set_robust_list resumed>) = 0
[pid  5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5943] setpgid(0, 0)               = 0
[pid  5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5943] write(3, "1000", 4)         = 4
[pid  5943] close(3)                    = 0
executing program
[pid  5943] write(1, "executing program\n", 18) = 18
[pid  5943] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5943] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5943] sendfile(4, 3, [100] <unfinished ...>
[pid  5938] <... close resumed>)        = 0
[pid  5943] <... sendfile resumed> => [671], 571) = 571
[pid  5943] memfd_create("syzkaller", 0) = 5
[pid  5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67fc800000
[   72.490819][ T5943] syz-executor537 (5943): drop_caches: 2
[   72.498037][ T5943] syz-executor537 (5943): drop_caches: 2
[pid  5938] exit_group(0)               = ?
[pid  5941] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5938] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652cd650) = 5944
./strace-static-x86_64: Process 5944 attached
[pid  5944] set_robust_list(0x5555652cd660, 24) = 0
[pid  5944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5944] setpgid(0, 0)               = 0
[pid  5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5944] write(3, "1000", 4)         = 4
[pid  5944] close(3)                    = 0
[pid  5944] write(1, "executing program\n", 18executing program
) = 18
[pid  5944] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5944] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5944] sendfile(4, 3, [100] <unfinished ...>
[pid  5942] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5940] <... write resumed>)        = 16777216
[pid  5944] <... sendfile resumed> => [671], 571) = 571
[pid  5940] munmap(0x7f67fc800000, 138412032 <unfinished ...>
[pid  5944] memfd_create("syzkaller", 0) = 5
[pid  5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5940] <... munmap resumed>)       = 0
[pid  5944] <... mmap resumed>)         = 0x7f67fc800000
[pid  5940] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5940] close(5 <unfinished ...>
[   72.630537][ T5944] syz-executor537 (5944): drop_caches: 2
[   72.636517][ T5944] syz-executor537 (5944): drop_caches: 2
[pid  5943] write(5, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216 <unfinished ...>
[pid  5941] <... write resumed>)        = 16777216
[pid  5941] munmap(0x7f67fc800000, 138412032) = 0
[pid  5940] <... close resumed>)        = 0
[pid  5941] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5940] exit_group(0 <unfinished ...>
[pid  5941] close(5 <unfinished ...>
[pid  5940] <... exit_group resumed>)   = ?
[pid  5940] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5945 attached
, child_tidptr=0x5555652cd650) = 5945