./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2509464173

<...>
Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts.
execve("./syz-executor2509464173", ["./syz-executor2509464173"], 0x7ffd8a9690b0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557af31000
brk(0x55557af31d00)                     = 0x55557af31d00
arch_prctl(ARCH_SET_FS, 0x55557af31380) = 0
set_tid_address(0x55557af31650)         = 5818
set_robust_list(0x55557af31660, 24)     = 0
rseq(0x55557af31ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2509464173", 4096) = 28
getrandom("\x6d\xa6\x8d\x5f\xf9\x27\x6b\xad", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557af31d00
brk(0x55557af52d00)                     = 0x55557af52d00
brk(0x55557af53000)                     = 0x55557af53000
mprotect(0x7f0efb85a000, 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 5819 attached
 <unfinished ...>
[pid  5819] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x55557af31650) = 5819
[pid  5819] <... set_robust_list resumed>) = 0
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5820 attached
 <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5820] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x55557af31650) = 5820
[pid  5820] <... set_robust_list resumed>) = 0
[pid  5819] <... openat resumed>)       = 3
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5819] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5821 attached
 <unfinished ...>
[pid  5820] <... openat resumed>)       = 3
[pid  5819] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5818] <... clone resumed>, child_tidptr=0x55557af31650) = 5821
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5820] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5821] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5820] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5819] close(3./strace-static-x86_64: Process 5822 attached
 <unfinished ...>
[pid  5821] <... set_robust_list resumed>) = 0
[pid  5820] close(3 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x55557af31650) = 5822
[pid  5822] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5820] <... close resumed>)        = 0
[pid  5819] <... close resumed>)        = 0
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] <... set_robust_list resumed>) = 0
[pid  5821] <... openat resumed>)       = 3
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5824 attached
 <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] <... openat resumed>)       = 3
[pid  5821] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5821] close(3)                    = 0
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached
 <unfinished ...>
[pid  5822] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5824
[pid  5818] <... clone resumed>, child_tidptr=0x55557af31650) = 5825
[pid  5822] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5826] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5822] close(3)                    = 0
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached
 <unfinished ...>
[pid  5826] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5828 attached
) = 0
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5826
[pid  5824] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] set_robust_list(0x55557af31660, 24./strace-static-x86_64: Process 5827 attached
) = 0
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5828
[pid  5826] setpgid(0, 0 <unfinished ...>
[pid  5828] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5826] <... setpgid resumed>)      = 0
[pid  5828] <... set_robust_list resumed>) = 0
[pid  5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5828] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5827
[pid  5828] <... prctl resumed>)        = 0
[pid  5828] setpgid(0, 0)               = 0
[pid  5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5826] write(3, "1000", 4)         = 4
[pid  5828] <... openat resumed>)       = 3
[pid  5826] close(3executing program
)                    = 0
[pid  5826] write(1, "executing program\n", 18 <unfinished ...>
[pid  5828] write(3, "1000", 4 <unfinished ...>
[pid  5826] <... write resumed>)        = 18
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5827] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5828] <... write resumed>)        = 4
[pid  5826] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
[pid  5827] <... set_robust_list resumed>) = 0
[pid  5824] <... prctl resumed>)        = 0
[pid  5825] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5828] close(3 <unfinished ...>
[pid  5827] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5825] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5824] setpgid(0, 0 <unfinished ...>
[pid  5828] <... close resumed>)        = 0
[pid  5827] <... prctl resumed>)        = 0
[pid  5825] close(3 <unfinished ...>
[pid  5824] <... setpgid resumed>)      = 0
executing program
[pid  5828] write(1, "executing program\n", 18 <unfinished ...>
[pid  5827] setpgid(0, 0 <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5828] <... write resumed>)        = 18
[pid  5827] <... setpgid resumed>)      = 0
[pid  5825] <... close resumed>)        = 0
[pid  5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5828] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5826] <... openat resumed>)       = 4
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5828] <... openat resumed>)       = 3
[pid  5824] <... openat resumed>)       = 3
[pid  5828] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5829 attached
) = 4
[pid  5824] write(3, "1000", 4 <unfinished ...>
[pid  5829] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5828] sendfile(4, 3, [100] <unfinished ...>
[pid  5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5826] sendfile(4, 3, [100] <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5829
[pid  5824] <... write resumed>)        = 4
[pid  5829] <... set_robust_list resumed>) = 0
executing program
[pid  5829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5827] <... openat resumed>)       = 3
[pid  5824] close(3 <unfinished ...>
[pid  5829] <... prctl resumed>)        = 0
[pid  5824] <... close resumed>)        = 0
[pid  5829] setpgid(0, 0 <unfinished ...>
[pid  5824] write(1, "executing program\n", 18) = 18
[pid  5824] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5829] <... setpgid resumed>)      = 0
[pid  5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5827] write(3, "1000", 4 <unfinished ...>
[pid  5824] <... openat resumed>)       = 3
[pid  5827] <... write resumed>)        = 4
[pid  5824] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5827] close(3 <unfinished ...>
[pid  5824] <... openat resumed>)       = 4
executing program
[pid  5829] <... openat resumed>)       = 3
[pid  5827] <... close resumed>)        = 0
[pid  5824] sendfile(4, 3, [100] <unfinished ...>
[pid  5829] write(3, "1000", 4 <unfinished ...>
[pid  5827] write(1, "executing program\n", 18) = 18
[pid  5829] <... write resumed>)        = 4
[pid  5827] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5829] close(3)                    = 0
[pid  5827] <... openat resumed>)       = 3
executing program
[pid  5829] write(1, "executing program\n", 18) = 18
[pid  5827] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5827] sendfile(4, 3, [100] <unfinished ...>
[pid  5829] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5829] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   76.405347][ T5829] syz-executor250 (5829): drop_caches: 2
[   76.433915][ T5826] syz-executor250 (5826): drop_caches: 2
[   76.439151][ T5829] syz-executor250 (5829): drop_caches: 2
[pid  5829] sendfile(4, 3, [100] => [640], 571) = 540
[pid  5829] memfd_create("syzkaller", 0) = 5
[pid  5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5827] <... sendfile resumed> => [640], 571) = 540
[pid  5827] memfd_create("syzkaller", 0) = 5
[pid  5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   76.450760][ T5827] syz-executor250 (5827): drop_caches: 2
[   76.456701][ T5827] syz-executor250 (5827): drop_caches: 2
[   76.480270][ T5826] syz-executor250 (5826): drop_caches: 2
[pid  5826] <... sendfile resumed> => [640], 571) = 540
[pid  5826] memfd_create("syzkaller", 0) = 5
[pid  5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5828] <... sendfile resumed> => [640], 571) = 540
[pid  5828] memfd_create("syzkaller", 0) = 5
[pid  5824] <... sendfile resumed> => [640], 571) = 540
[pid  5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5824] memfd_create("syzkaller", 0) = 5
[   76.503861][ T5824] syz-executor250 (5824): drop_caches: 2
[   76.510531][ T5828] syz-executor250 (5828): drop_caches: 2
[   76.516728][ T5828] syz-executor250 (5828): drop_caches: 2
[   76.534365][ T5824] syz-executor250 (5824): drop_caches: 2
[pid  5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5829] 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  5827] 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  5828] 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  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  5829] <... write resumed>)        = 16777216
[pid  5829] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid  5829] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5828] <... write resumed>)        = 16777216
[pid  5827] <... write resumed>)        = 16777216
[pid  5824] <... write resumed>)        = 16777216
[pid  5829] <... ioctl resumed>)        = 0
[pid  5828] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5829] close(5)                    = 0
[pid  5829] close(6)                    = 0
[pid  5829] mkdir("./file1", 0777)      = 0
[pid  5826] <... write resumed>)        = 16777216
[pid  5824] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5827] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5829] mount("/dev/loop4", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[   77.181330][ T5829] loop4: detected capacity change from 0 to 32768
[pid  5826] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5827] <... munmap resumed>)       = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid  5827] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5828] <... munmap resumed>)       = 0
[pid  5827] <... ioctl resumed>)        = 0
[pid  5824] <... munmap resumed>)       = 0
[   77.239778][ T5829] =======================================================
[   77.239778][ T5829] WARNING: The mand mount option has been deprecated and
[   77.239778][ T5829]          and is ignored by this kernel. Remove the mand
[   77.239778][ T5829]          option from the mount to silence this warning.
[   77.239778][ T5829] =======================================================
[   77.280813][ T5827] loop3: detected capacity change from 0 to 32768
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5826] <... munmap resumed>)       = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid  5828] <... openat resumed>)       = 6
[pid  5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5827] close(5)                    = 0
[pid  5827] close(6 <unfinished ...>
[pid  5828] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5827] <... close resumed>)        = 0
[pid  5826] <... openat resumed>)       = 6
[pid  5824] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5827] mkdir("./file1", 0777 <unfinished ...>
[pid  5826] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5827] <... mkdir resumed>)        = -1 EEXIST (File exists)
[   77.294985][ T5829] XFS: ikeep mount option is deprecated.
[   77.301220][ T5829] XFS: noikeep mount option is deprecated.
[   77.318897][ T5828] loop0: detected capacity change from 0 to 32768
[   77.325972][ T5824] loop1: detected capacity change from 0 to 32768
[   77.330300][ T5827] XFS: ikeep mount option is deprecated.
[   77.332774][ T5826] loop2: detected capacity change from 0 to 32768
[pid  5827] mount("/dev/loop3", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5828] <... ioctl resumed>)        = 0
[pid  5828] close(5 <unfinished ...>
[pid  5826] <... ioctl resumed>)        = 0
[pid  5824] <... ioctl resumed>)        = 0
[pid  5828] <... close resumed>)        = 0
[pid  5826] close(5 <unfinished ...>
[pid  5824] close(5 <unfinished ...>
[pid  5828] close(6 <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5824] <... close resumed>)        = 0
[pid  5826] close(6 <unfinished ...>
[pid  5828] <... close resumed>)        = 0
[pid  5826] <... close resumed>)        = 0
[pid  5828] mkdir("./file1", 0777 <unfinished ...>
[pid  5826] mkdir("./file1", 0777 <unfinished ...>
[pid  5824] close(6 <unfinished ...>
[pid  5828] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5826] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5824] <... close resumed>)        = 0
[pid  5824] mkdir("./file1", 0777 <unfinished ...>
[pid  5828] mount("/dev/loop0", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5826] mount("/dev/loop2", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5824] <... mkdir resumed>)        = -1 EEXIST (File exists)
[   77.338850][ T5827] XFS: noikeep mount option is deprecated.
[   77.381560][ T5828] XFS: ikeep mount option is deprecated.
[   77.387454][ T5828] XFS: noikeep mount option is deprecated.
[   77.393904][ T5826] XFS: ikeep mount option is deprecated.
[   77.400295][ T5824] XFS: ikeep mount option is deprecated.
[   77.405979][ T5824] XFS: noikeep mount option is deprecated.
[   77.430273][ T5826] XFS: noikeep mount option is deprecated.
[   77.481424][ T5829] XFS (loop4): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   77.483079][ T5827] XFS (loop3): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   77.530294][ T5824] XFS (loop1): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   77.560022][ T5826] XFS (loop2): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   77.592606][ T5828] XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab
[   77.671990][ T5829] XFS (loop4): Ending clean mount
[   77.678394][ T5827] XFS (loop3): Ending clean mount
[   77.693797][ T5824] XFS (loop1): Ending clean mount
[   77.719419][ T5826] XFS (loop2): Ending clean mount
[   77.726505][ T5829] XFS (loop4): Quotacheck needed: Please wait.
[   77.736896][ T5828] XFS (loop0): Ending clean mount
[   77.745093][ T5827] XFS (loop3): Quotacheck needed: Please wait.
[   77.755789][ T5828] XFS (loop0): Quotacheck needed: Please wait.
[   77.768611][ T5824] XFS (loop1): Quotacheck needed: Please wait.
[   77.797723][ T5826] XFS (loop2): Quotacheck needed: Please wait.
[pid  5824] mount("/dev/loop1", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid" <unfinished ...>
[pid  5829] <... mount resumed>)        = 0
[pid  5828] <... mount resumed>)        = 0
[pid  5828] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5829] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5826] <... mount resumed>)        = 0
[pid  5824] <... mount resumed>)        = 0
[pid  5829] <... openat resumed>)       = 5
[pid  5828] <... openat resumed>)       = 5
[pid  5829] chdir("./file1")            = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5829] exit_group(0)               = ?
[pid  5828] chdir("./file1" <unfinished ...>
[pid  5824] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5828] <... chdir resumed>)        = 0
[pid  5827] <... mount resumed>)        = 0
[pid  5826] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5824] <... openat resumed>)       = 5
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5827] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5826] <... openat resumed>)       = 5
[pid  5824] chdir("./file1" <unfinished ...>
[pid  5828] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5827] <... openat resumed>)       = 5
[pid  5826] chdir("./file1" <unfinished ...>
[pid  5824] <... chdir resumed>)        = 0
[pid  5828] exit_group(0 <unfinished ...>
[pid  5827] chdir("./file1" <unfinished ...>
[pid  5826] <... chdir resumed>)        = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5828] <... exit_group resumed>)   = ?
[pid  5827] <... chdir resumed>)        = 0
[pid  5826] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5824] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5829] +++ exited with 0 +++
[pid  5828] +++ exited with 0 +++
[pid  5827] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5826] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5824] exit_group(0 <unfinished ...>
[pid  5827] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5826] exit_group(0 <unfinished ...>
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=47 /* 0.47 s */} ---
[pid  5824] <... exit_group resumed>)   = ?
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=47 /* 0.47 s */} ---
[pid  5826] <... exit_group resumed>)   = ?
[pid  5824] +++ exited with 0 +++
[pid  5827] exit_group(0 <unfinished ...>
[pid  5826] +++ exited with 0 +++
[pid  5827] <... exit_group resumed>)   = ?
[pid  5827] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=48 /* 0.48 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=34 /* 0.34 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=44 /* 0.44 s */} ---
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5872 attached
 <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[   77.842689][ T5829] XFS (loop4): Quotacheck: Done.
[   77.844779][ T5824] XFS (loop1): Quotacheck: Done.
[   77.852853][ T5828] XFS (loop0): Quotacheck: Done.
[   77.870394][ T5826] XFS (loop2): Quotacheck: Done.
[   77.878475][ T5827] XFS (loop3): Quotacheck: Done.
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5873] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5872] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5873
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5872
./strace-static-x86_64: Process 5874 attached
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5872] <... set_robust_list resumed>) = 0
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5874] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5874] <... set_robust_list resumed>) = 0
[pid  5873] <... prctl resumed>)        = 0
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5874
./strace-static-x86_64: Process 5875 attached
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5873] setpgid(0, 0 <unfinished ...>
[pid  5872] <... prctl resumed>)        = 0
[pid  5875] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5874] <... prctl resumed>)        = 0
[pid  5873] <... setpgid resumed>)      = 0
[pid  5872] setpgid(0, 0 <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5875
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5875] <... set_robust_list resumed>) = 0
[pid  5874] setpgid(0, 0 <unfinished ...>
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5874] <... setpgid resumed>)      = 0
[pid  5873] <... openat resumed>)       = 3
[pid  5872] <... setpgid resumed>)      = 0
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5873] write(3, "1000", 4)         = 4
[pid  5873] close(3)                    = 0
executing program
[pid  5873] write(1, "executing program\n", 18) = 18
[pid  5873] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5873] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5874] <... openat resumed>)       = 3
[pid  5875] <... prctl resumed>)        = 0
[pid  5873] sendfile(4, 3, [100] <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5875] setpgid(0, 0./strace-static-x86_64: Process 5876 attached
)               = 0
[pid  5874] write(3, "1000", 4)         = 4
[pid  5872] <... openat resumed>)       = 3
[pid  5874] close(3 <unfinished ...>
[pid  5872] write(3, "1000", 4 <unfinished ...>
[pid  5874] <... close resumed>)        = 0
[pid  5876] set_robust_list(0x55557af31660, 24executing program
 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5874] write(1, "executing program\n", 18 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5876
[pid  5876] <... set_robust_list resumed>) = 0
[pid  5875] <... openat resumed>)       = 3
[pid  5872] <... write resumed>)        = 4
[pid  5874] <... write resumed>)        = 18
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5875] write(3, "1000", 4 <unfinished ...>
[pid  5872] close(3 <unfinished ...>
[pid  5874] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5876] <... prctl resumed>)        = 0
executing program
[pid  5875] <... write resumed>)        = 4
[pid  5874] <... openat resumed>)       = 3
[pid  5872] write(1, "executing program\n", 18 <unfinished ...>
[pid  5876] setpgid(0, 0 <unfinished ...>
[pid  5875] close(3 <unfinished ...>
[pid  5876] <... setpgid resumed>)      = 0
[pid  5875] <... close resumed>)        = 0
[pid  5872] <... write resumed>)        = 18
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5875] write(1, "executing program\n", 18executing program
) = 18
[pid  5874] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5876] <... openat resumed>)       = 3
[pid  5875] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5874] <... openat resumed>)       = 4
[pid  5872] <... openat resumed>)       = 3
[pid  5876] write(3, "1000", 4 <unfinished ...>
[pid  5875] <... openat resumed>)       = 3
[pid  5872] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5876] <... write resumed>)        = 4
[pid  5875] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5874] sendfile(4, 3, [100] <unfinished ...>
[pid  5872] <... openat resumed>)       = 4
[pid  5876] close(3 <unfinished ...>
[pid  5875] <... openat resumed>)       = 4
[pid  5872] sendfile(4, 3, [100] <unfinished ...>
[pid  5876] <... close resumed>)        = 0
[   77.961640][ T5875] 
[   77.964041][ T5875] ======================================================
[   77.971044][ T5875] WARNING: possible circular locking dependency detected
[   77.978076][ T5875] 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 Not tainted
[   77.985272][ T5875] ------------------------------------------------------
[   77.992347][ T5875] syz-executor250/5875 is trying to acquire lock:
[   77.998755][ T5875] ffff88807781adb0 (&lp->qli_lock){+.+.}-{3:3}, at: xfs_dquot_detach_buf+0x2f/0x1a0
[   78.008185][ T5875] 
[   78.008185][ T5875] but task is already holding lock:
[   78.015547][ T5875] ffff888028076c30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   78.024759][ T5875] 
[   78.024759][ T5875] which lock already depends on the new lock.
[   78.024759][ T5875] 
[   78.035162][ T5875] 
[   78.035162][ T5875] the existing dependency chain (in reverse order) is:
[   78.044189][ T5875] 
[   78.044189][ T5875] -> #3 (&l->lock){+.+.}-{3:3}:
[   78.051216][ T5875]        lock_acquire+0x1ed/0x550
[   78.056232][ T5875]        _raw_spin_lock+0x2e/0x40
[   78.061262][ T5875]        lock_list_lru_of_memcg+0x24b/0x4e0
[   78.067240][ T5875]        list_lru_add+0x59/0x270
[   78.072164][ T5875]        xfs_buf_rele+0x4ca/0x15b0
[   78.077261][ T5875]        xfs_imap_lookup+0x26a/0x750
[   78.082534][ T5875]        xfs_imap+0x54d/0x1090
[   78.087281][ T5875]        xfs_iget+0xaf6/0x2ec0
[   78.092028][ T5875]        xfs_mountfs+0x13df/0x2410
[   78.097123][ T5875]        xfs_fs_fill_super+0x12db/0x1590
[   78.102750][ T5875]        get_tree_bdev_flags+0x48c/0x5c0
[   78.108394][ T5875]        vfs_get_tree+0x90/0x2b0
[   78.113325][ T5875]        do_new_mount+0x2be/0xb40
[   78.118337][ T5875]        __se_sys_mount+0x2d6/0x3c0
[   78.123515][ T5875]        do_syscall_64+0xf3/0x230
[   78.128532][ T5875]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   78.134933][ T5875] 
[   78.134933][ T5875] -> #2 (&bch->bc_lock){+.+.}-{3:3}:
[   78.142390][ T5875]        lock_acquire+0x1ed/0x550
[   78.147399][ T5875]        _raw_spin_lock+0x2e/0x40
[   78.152408][ T5875]        _atomic_dec_and_lock+0xb8/0x130
[   78.158032][ T5875]        xfs_buf_rele+0x178/0x15b0
[   78.163127][ T5875]        xfs_imap_lookup+0x26a/0x750
[   78.168391][ T5875]        xfs_imap+0x54d/0x1090
[   78.173137][ T5875]        xfs_iget+0xaf6/0x2ec0
[   78.177898][ T5875]        xfs_mountfs+0x13df/0x2410
[   78.182995][ T5875]        xfs_fs_fill_super+0x12db/0x1590
[   78.188611][ T5875]        get_tree_bdev_flags+0x48c/0x5c0
[   78.194251][ T5875]        vfs_get_tree+0x90/0x2b0
[   78.199194][ T5875]        do_new_mount+0x2be/0xb40
[   78.204242][ T5875]        __se_sys_mount+0x2d6/0x3c0
[   78.209436][ T5875]        do_syscall_64+0xf3/0x230
[   78.214459][ T5875]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   78.220878][ T5875] 
[   78.220878][ T5875] -> #1 (&bp->b_lock){+.+.}-{3:3}:
[   78.228179][ T5875]        lock_acquire+0x1ed/0x550
[   78.233199][ T5875]        _raw_spin_lock+0x2e/0x40
[   78.238210][ T5875]        xfs_buf_rele+0x164/0x15b0
[   78.243321][ T5875]        xfs_dquot_attach_buf+0x33e/0x560
[   78.249034][ T5875]        xfs_qm_quotacheck_dqadjust+0x13f/0x5e0
[   78.255263][ T5875]        xfs_qm_dqusage_adjust+0x5e1/0x850
[   78.261054][ T5875]        xfs_iwalk_ag_recs+0x4e3/0x820
[   78.266499][ T5875]        xfs_iwalk_run_callbacks+0x218/0x470
[   78.272468][ T5875]        xfs_iwalk_ag+0xa9a/0xbb0
[   78.277478][ T5875]        xfs_iwalk_ag_work+0xfb/0x1b0
[   78.282838][ T5875]        xfs_pwork_work+0x7f/0x190
[   78.287931][ T5875]        process_scheduled_works+0xa66/0x1840
[   78.293987][ T5875]        worker_thread+0x870/0xd30
[   78.299085][ T5875]        kthread+0x2f0/0x390
[   78.303659][ T5875]        ret_from_fork+0x4b/0x80
[   78.308593][ T5875]        ret_from_fork_asm+0x1a/0x30
[   78.313870][ T5875] 
[   78.313870][ T5875] -> #0 (&lp->qli_lock){+.+.}-{3:3}:
[   78.321384][ T5875]        validate_chain+0x18ef/0x5920
[   78.326764][ T5875]        __lock_acquire+0x1397/0x2100
[   78.332136][ T5875]        lock_acquire+0x1ed/0x550
[   78.337150][ T5875]        _raw_spin_lock+0x2e/0x40
[   78.342160][ T5875]        xfs_dquot_detach_buf+0x2f/0x1a0
[   78.347776][ T5875]        xfs_qm_dquot_isolate+0x49d/0x1420
[   78.353644][ T5875]        __list_lru_walk_one+0x170/0x470
[   78.359266][ T5875]        list_lru_walk_one+0x3c/0x50
[   78.364544][ T5875]        xfs_qm_shrink_scan+0x1e1/0x400
[   78.370080][ T5875]        do_shrink_slab+0x72d/0x1160
[   78.375367][ T5875]        shrink_slab+0x1093/0x14d0
[   78.380462][ T5875]        drop_slab+0x142/0x280
[   78.385217][ T5875]        drop_caches_sysctl_handler+0xbc/0x160
[   78.391377][ T5875]        proc_sys_call_handler+0x5ec/0x920
[   78.397166][ T5875]        iter_file_splice_write+0xbfa/0x1510
[   78.403160][ T5875]        direct_splice_actor+0x11b/0x220
[   78.408778][ T5875]        splice_direct_to_actor+0x586/0xc80
[   78.414675][ T5875]        do_splice_direct+0x289/0x3e0
[   78.420048][ T5875]        do_sendfile+0x564/0x8a0
[   78.424977][ T5875]        __se_sys_sendfile64+0x100/0x1e0
[   78.430594][ T5875]        do_syscall_64+0xf3/0x230
[   78.435608][ T5875]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   78.442007][ T5875] 
[   78.442007][ T5875] other info that might help us debug this:
[   78.442007][ T5875] 
[   78.452231][ T5875] Chain exists of:
[   78.452231][ T5875]   &lp->qli_lock --> &bch->bc_lock --> &l->lock
[   78.452231][ T5875] 
[   78.464310][ T5875]  Possible unsafe locking scenario:
[   78.464310][ T5875] 
[   78.471778][ T5875]        CPU0                    CPU1
[   78.477156][ T5875]        ----                    ----
[   78.482508][ T5875]   lock(&l->lock);
[   78.486301][ T5875]                                lock(&bch->bc_lock);
[   78.493052][ T5875]                                lock(&l->lock);
[   78.499401][ T5875]   lock(&lp->qli_lock);
[   78.503644][ T5875] 
[   78.503644][ T5875]  *** DEADLOCK ***
[   78.503644][ T5875] 
[   78.511772][ T5875] 3 locks held by syz-executor250/5875:
[   78.517301][ T5875]  #0: ffff8880353fc420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[   78.526958][ T5875]  #1: ffff888028076c30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   78.536603][ T5875]  #2: ffff88807781ae98 (&dqp->q_qlock){+.+.}-{4:4}, at: xfs_qm_dquot_isolate+0x8d/0x1420
[   78.546513][ T5875] 
[   78.546513][ T5875] stack backtrace:
[   78.552411][ T5875] CPU: 1 UID: 0 PID: 5875 Comm: syz-executor250 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[   78.563509][ T5875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   78.573570][ T5875] Call Trace:
[   78.576876][ T5875]  <TASK>
[   78.579799][ T5875]  dump_stack_lvl+0x241/0x360
[   78.584505][ T5875]  ? __pfx_dump_stack_lvl+0x10/0x10
[   78.589703][ T5875]  ? __pfx__printk+0x10/0x10
[   78.594296][ T5875]  print_circular_bug+0x13a/0x1b0
[   78.599316][ T5875]  check_noncircular+0x36a/0x4a0
[   78.604270][ T5875]  ? __pfx_check_noncircular+0x10/0x10
[   78.609717][ T5875]  ? queued_spin_lock_slowpath+0x42/0x50
[   78.615341][ T5875]  ? lockdep_lock+0x1b0/0x2b0
[   78.620009][ T5875]  ? validate_chain+0x15c0/0x5920
[   78.625029][ T5875]  validate_chain+0x18ef/0x5920
[   78.629879][ T5875]  ? __pfx_validate_chain+0x10/0x10
[   78.635072][ T5875]  ? arch_stack_walk+0xfd/0x150
[   78.639928][ T5875]  ? __lock_acquire+0x1397/0x2100
[   78.644959][ T5875]  ? mark_lock+0x9a/0x360
[   78.649280][ T5875]  __lock_acquire+0x1397/0x2100
[   78.654127][ T5875]  lock_acquire+0x1ed/0x550
[   78.658614][ T5875]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   78.663889][ T5875]  ? __pfx_lock_acquire+0x10/0x10
[   78.668896][ T5875]  ? _raw_spin_unlock_irqrestore+0x8f/0x140
[   78.674774][ T5875]  ? lockdep_hardirqs_on+0x99/0x150
[   78.679966][ T5875]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   78.685853][ T5875]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   78.692167][ T5875]  ? __pfx___mutex_trylock_common+0x10/0x10
[   78.698052][ T5875]  _raw_spin_lock+0x2e/0x40
[   78.702547][ T5875]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   78.707823][ T5875]  xfs_dquot_detach_buf+0x2f/0x1a0
[   78.712920][ T5875]  xfs_qm_dquot_isolate+0x49d/0x1420
[   78.718193][ T5875]  ? __lock_acquire+0x1397/0x2100
[   78.723237][ T5875]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   78.728949][ T5875]  ? lock_list_lru_of_memcg+0x2e/0x4e0
[   78.734394][ T5875]  ? lock_list_lru_of_memcg+0x4a9/0x4e0
[   78.739929][ T5875]  __list_lru_walk_one+0x170/0x470
[   78.745032][ T5875]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   78.750750][ T5875]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   78.756464][ T5875]  list_lru_walk_one+0x3c/0x50
[   78.761236][ T5875]  xfs_qm_shrink_scan+0x1e1/0x400
[   78.766336][ T5875]  ? __pfx_xfs_qm_shrink_scan+0x10/0x10
[   78.771868][ T5875]  ? list_lru_count_one+0x29/0x2e0
[   78.776961][ T5875]  do_shrink_slab+0x72d/0x1160
[   78.781713][ T5875]  ? shrink_slab+0x12b/0x14d0
[   78.786398][ T5875]  shrink_slab+0x1093/0x14d0
[   78.790975][ T5875]  ? shrink_slab+0x12b/0x14d0
[   78.795637][ T5875]  ? __pfx_lock_release+0x10/0x10
[   78.800646][ T5875]  ? __pfx_shrink_slab+0x10/0x10
[   78.805575][ T5875]  ? mem_cgroup_iter+0x3d/0x420
[   78.810428][ T5875]  drop_slab+0x142/0x280
[   78.814664][ T5875]  drop_caches_sysctl_handler+0xbc/0x160
[   78.820286][ T5875]  ? __pfx_drop_caches_sysctl_handler+0x10/0x10
[   78.826513][ T5875]  proc_sys_call_handler+0x5ec/0x920
[   78.831784][ T5875]  ? __pfx_proc_sys_call_handler+0x10/0x10
[   78.837610][ T5875]  iter_file_splice_write+0xbfa/0x1510
[   78.843070][ T5875]  ? __pfx_iter_file_splice_write+0x10/0x10
[   78.848952][ T5875]  ? rcu_read_lock_any_held+0xb7/0x160
[   78.854403][ T5875]  ? __pfx_iter_file_splice_write+0x10/0x10
[   78.860303][ T5875]  direct_splice_actor+0x11b/0x220
[   78.865402][ T5875]  splice_direct_to_actor+0x586/0xc80
[   78.870784][ T5875]  ? __pfx_direct_splice_actor+0x10/0x10
[   78.876423][ T5875]  ? __pfx_splice_direct_to_actor+0x10/0x10
[   78.882304][ T5875]  ? __lock_acquire+0x1397/0x2100
[   78.887325][ T5875]  do_splice_direct+0x289/0x3e0
[   78.892179][ T5875]  ? __pfx_do_splice_direct+0x10/0x10
[   78.897533][ T5875]  ? __pfx_direct_file_splice_eof+0x10/0x10
[   78.903411][ T5875]  ? rw_verify_area+0x1c3/0x6f0
[   78.908246][ T5875]  do_sendfile+0x564/0x8a0
[   78.912643][ T5875]  ? __pfx_do_sendfile+0x10/0x10
[   78.917595][ T5875]  ? __might_fault+0xc6/0x120
[   78.922271][ T5875]  __se_sys_sendfile64+0x100/0x1e0
[   78.927373][ T5875]  ? __pfx___se_sys_sendfile64+0x10/0x10
[   78.933008][ T5875]  ? exc_page_fault+0x590/0x8b0
[   78.937847][ T5875]  do_syscall_64+0xf3/0x230
[   78.942341][ T5875]  ? clear_bhb_loop+0x35/0x90
[   78.947009][ T5875]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   78.952917][ T5875] RIP: 0033:0x7f0efb7ddcc9
[   78.957321][ T5875] 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
[   78.976927][ T5875] RSP: 002b:00007fffe625b3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   78.985336][ T5875] RAX: ffffffffffffffda RBX: 61746f7571727375 RCX: 00007f0efb7ddcc9
[   78.993296][ T5875] RDX: 0000000020002080 RSI: 0000000000000003 RDI: 0000000000000004
[   79.001256][ T5875] RBP: 00000000000f4240 R08: 000055557af32378 R09: 000055557af32378
[pid  5875] sendfile(4, 3, [100] <unfinished ...>
[   79.009211][ T5875] R10: 000000000000023b R11: 0000000000000246 R12: 0000000000012864
[   79.017275][ T5875] R13: 00007fffe625b400 R14: 00007fffe625b3ec R15: 00007f0efb82603b
[   79.025258][ T5875]  </TASK>
[   79.029649][ T5872] syz-executor250 (5872): drop_caches: 2
[   79.029875][ T5873] syz-executor250 (5873): drop_caches: 2
[   79.036004][ T5872] syz-executor250 (5872): drop_caches: 2
[   79.041183][ T5874] syz-executor250 (5874): drop_caches: 2
[   79.047060][ T5875] syz-executor250 (5875): drop_caches: 2
[   79.052760][ T5873] syz-executor250 (5873): drop_caches: 2
[pid  5876] write(1, "executing program\n", 18executing program
) = 18
[pid  5874] <... sendfile resumed> => [671], 571) = 571
[pid  5873] <... sendfile resumed> => [671], 571) = 571
[pid  5872] <... sendfile resumed> => [671], 571) = 571
[pid  5874] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5873] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] <... memfd_create resumed>) = 5
[pid  5873] <... memfd_create resumed>) = 5
[pid  5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5874] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5873] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5876] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5875] <... sendfile resumed> => [671], 571) = 571
[pid  5872] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5875] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5872] <... memfd_create resumed>) = 5
[pid  5875] <... memfd_create resumed>) = 5
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5872] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5875] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5876] <... openat resumed>)       = 3
[pid  5876] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5876] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5876] memfd_create("syzkaller", 0) = 5
[pid  5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   79.063865][ T5874] syz-executor250 (5874): drop_caches: 2
[   79.070195][ T5875] syz-executor250 (5875): drop_caches: 2
[   79.101597][ T5876] syz-executor250 (5876): drop_caches: 2
[   79.107510][ T5876] syz-executor250 (5876): drop_caches: 2
[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  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  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  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  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  5875] <... write resumed>)        = 16777216
[pid  5875] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5875] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] close(5 <unfinished ...>
[pid  5873] <... write resumed>)        = 16777216
[pid  5872] <... write resumed>)        = 16777216
[pid  5873] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5872] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5873] <... munmap resumed>)       = 0
[pid  5873] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5873] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5872] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5873] close(5 <unfinished ...>
[pid  5872] close(5 <unfinished ...>
[pid  5876] <... write resumed>)        = 16777216
[pid  5876] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5874] <... write resumed>)        = 16777216
[pid  5874] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5875] <... close resumed>)        = 0
[pid  5876] <... munmap resumed>)       = 0
[pid  5875] exit_group(0 <unfinished ...>
[pid  5876] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5876] close(5 <unfinished ...>
[pid  5875] <... exit_group resumed>)   = ?
[pid  5875] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5877
[pid  5874] <... munmap resumed>)       = 0
./strace-static-x86_64: Process 5877 attached
[pid  5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5874] close(5 <unfinished ...>
[pid  5877] set_robust_list(0x55557af31660, 24) = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0 <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5872] exit_group(0 <unfinished ...>
[pid  5877] <... setpgid resumed>)      = 0
[pid  5873] <... close resumed>)        = 0
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5873] exit_group(0 <unfinished ...>
[pid  5872] <... exit_group resumed>)   = ?
[pid  5877] <... openat resumed>)       = 3
[pid  5873] <... exit_group resumed>)   = ?
[pid  5872] +++ exited with 0 +++
[pid  5877] write(3, "1000", 4 <unfinished ...>
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=124 /* 1.24 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5877] <... write resumed>)        = 4
[pid  5873] +++ exited with 0 +++
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5877] close(3)                    = 0
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=20 /* 0.20 s */} ---
executing program
[pid  5877] write(1, "executing program\n", 18 <unfinished ...>
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5877] <... write resumed>)        = 18
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5878 attached
) = 3
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5878
[pid  5877] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5878] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5877] sendfile(4, 3, [100] <unfinished ...>
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached
 <unfinished ...>
[pid  5879] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5879
[pid  5879] <... set_robust_list resumed>) = 0
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5879] setpgid(0, 0)               = 0
[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 <unfinished ...>
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5879] <... write resumed>)        = 18
[pid  5879] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5879] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5879] sendfile(4, 3, [100] <unfinished ...>
[pid  5878] <... prctl resumed>)        = 0
[pid  5876] <... close resumed>)        = 0
[pid  5878] setpgid(0, 0)               = 0
[pid  5877] <... sendfile resumed> => [671], 571) = 571
[pid  5876] exit_group(0 <unfinished ...>
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5876] <... exit_group resumed>)   = ?
[pid  5878] <... openat resumed>)       = 3
[pid  5877] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5876] +++ exited with 0 +++
[pid  5878] write(3, "1000", 4 <unfinished ...>
[pid  5877] <... memfd_create resumed>) = 5
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5878] <... write resumed>)        = 4
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5878] close(3)                    = 0
[pid  5877] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5878] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5879] <... sendfile resumed> => [671], 571) = 571
[pid  5878] <... write resumed>)        = 18
[pid  5874] <... close resumed>)        = 0
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5879] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5878] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5874] exit_group(0 <unfinished ...>
[pid  5879] <... memfd_create resumed>) = 5
[pid  5874] <... exit_group resumed>)   = ?
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5878] <... openat resumed>)       = 3
[pid  5874] +++ exited with 0 +++
[pid  5879] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=15 /* 0.15 s */} ---
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5878] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5880 attached
[   79.645432][ T5877] syz-executor250 (5877): drop_caches: 2
[   79.656988][ T5879] syz-executor250 (5879): drop_caches: 2
[   79.657874][ T5877] syz-executor250 (5877): drop_caches: 2
[   79.671257][ T5879] syz-executor250 (5879): drop_caches: 2
) = 4
executing program
[pid  5880] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5878] sendfile(4, 3, [100] <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5880
[pid  5880] <... set_robust_list resumed>) = 0
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5880] setpgid(0, 0)               = 0
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] 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, child_tidptr=0x55557af31650) = 5881
[pid  5880] <... openat resumed>)       = 3
[pid  5880] write(3, "1000", 4)         = 4
[pid  5880] close(3)                    = 0
[pid  5880] write(1, "executing program\n", 18) = 18
[pid  5880] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5880] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5880] sendfile(4, 3, [100]./strace-static-x86_64: Process 5881 attached
 <unfinished ...>
[pid  5881] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5878] <... sendfile resumed> => [671], 571) = 571
[pid  5881] <... set_robust_list resumed>) = 0
[pid  5878] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5878] <... memfd_create resumed>) = 5
[pid  5881] <... prctl resumed>)        = 0
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5881] setpgid(0, 0 <unfinished ...>
[pid  5878] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5881] <... setpgid resumed>)      = 0
[pid  5880] <... sendfile resumed> => [671], 571) = 571
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5880] memfd_create("syzkaller", 0) = 5
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   79.700458][ T5878] syz-executor250 (5878): drop_caches: 2
[   79.703990][ T5880] syz-executor250 (5880): drop_caches: 2
[   79.707247][ T5878] syz-executor250 (5878): drop_caches: 2
[   79.717892][ T5880] syz-executor250 (5880): drop_caches: 2
[pid  5881] write(3, "1000", 4executing program
)         = 4
[pid  5881] close(3)                    = 0
[pid  5881] write(1, "executing program\n", 18) = 18
[pid  5881] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5881] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5881] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5881] memfd_create("syzkaller", 0) = 5
[pid  5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   79.741706][ T5881] syz-executor250 (5881): drop_caches: 2
[   79.759573][ T5881] syz-executor250 (5881): 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  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  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  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  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  5877] <... write resumed>)        = 16777216
[pid  5879] <... write resumed>)        = 16777216
[pid  5879] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5877] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5878] <... write resumed>)        = 16777216
[pid  5880] <... write resumed>)        = 16777216
[pid  5879] <... munmap resumed>)       = 0
[pid  5878] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5877] <... munmap resumed>)       = 0
[pid  5880] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5881] <... write resumed>)        = 16777216
[pid  5879] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5878] <... munmap resumed>)       = 0
[pid  5877] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5879] close(5 <unfinished ...>
[pid  5877] close(5 <unfinished ...>
[pid  5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5878] close(5 <unfinished ...>
[pid  5881] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5880] <... munmap resumed>)       = 0
[pid  5881] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5880] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5881] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5881] close(5 <unfinished ...>
[pid  5880] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5880] close(5 <unfinished ...>
[pid  5879] <... close resumed>)        = 0
[pid  5879] exit_group(0)               = ?
[pid  5879] +++ exited with 0 +++
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5878] <... close resumed>)        = 0
[pid  5877] <... close resumed>)        = 0
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5878] exit_group(0 <unfinished ...>
[pid  5877] exit_group(0 <unfinished ...>
[pid  5878] <... exit_group resumed>)   = ?
[pid  5877] <... exit_group resumed>)   = ?
[pid  5878] +++ exited with 0 +++
[pid  5877] +++ exited with 0 +++
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5822] --- 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  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
./strace-static-x86_64: Process 5882 attached
[pid  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5882] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5882
[pid  5882] <... set_robust_list resumed>) = 0
[pid  5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5882] setpgid(0, 0)               = 0
[pid  5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5882] write(3, "1000", 4)         = 4
[pid  5882] close(3)                    = 0
[pid  5882] write(1, "executing program\n", 18) = 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]executing program
 <unfinished ...>
[pid  5822] <... restart_syscall resumed>) = 0
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached
 <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5883
[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  5883] set_robust_list(0x55557af31660, 24) = 0
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5884
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5884 attached
) = 0
[pid  5884] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5883] setpgid(0, 0 <unfinished ...>
[pid  5884] <... set_robust_list resumed>) = 0
[pid  5883] <... setpgid resumed>)      = 0
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5884] <... prctl resumed>)        = 0
[pid  5883] <... openat resumed>)       = 3
[pid  5884] setpgid(0, 0 <unfinished ...>
[pid  5883] write(3, "1000", 4 <unfinished ...>
[pid  5884] <... setpgid resumed>)      = 0
[pid  5883] <... write resumed>)        = 4
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5883] close(3 <unfinished ...>
[pid  5884] <... openat resumed>)       = 3
[pid  5883] <... close resumed>)        = 0
[pid  5884] write(3, "1000", 4 <unfinished ...>
[pid  5883] write(1, "executing program\n", 18 <unfinished ...>
[pid  5884] <... write resumed>)        = 4
[pid  5883] <... write resumed>)        = 18
[pid  5881] <... close resumed>)        = 0
[pid  5884] close(3 <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5884] <... close resumed>)        = 0
[pid  5883] <... openat resumed>)       = 3
[pid  5884] write(1, "executing program\n", 18 <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLYexecuting program
 <unfinished ...>
[pid  5884] <... write resumed>)        = 18
[pid  5883] <... openat resumed>)       = 4
[pid  5884] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5883] sendfile(4, 3, [100] <unfinished ...>
[pid  5884] <... openat resumed>)       = 3
[pid  5884] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5881] exit_group(0 <unfinished ...>
[pid  5884] <... openat resumed>)       = 4
[pid  5881] <... exit_group resumed>)   = ?
[pid  5884] sendfile(4, 3, [100] <unfinished ...>
[pid  5881] +++ exited with 0 +++
[pid  5880] <... close resumed>)        = 0
[pid  5821] --- 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=15 /* 0.15 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>executing program
 <unfinished ...>
[pid  5880] exit_group(0 <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] 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./strace-static-x86_64: Process 5885 attached
, child_tidptr=0x55557af31650) = 5885
[pid  5885] set_robust_list(0x55557af31660, 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
[pid  5885] write(1, "executing program\n", 18) = 18
[pid  5885] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5885] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5885] sendfile(4, 3, [100] <unfinished ...>
[pid  5883] <... sendfile resumed> => [671], 571) = 571
[pid  5880] <... exit_group resumed>)   = ?
[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) = 0x7f0ef3200000
[pid  5880] +++ exited with 0 +++
[   80.327090][ T5882] syz-executor250 (5882): drop_caches: 2
[   80.343957][ T5883] syz-executor250 (5883): drop_caches: 2
[   80.354130][ T5884] syz-executor250 (5884): drop_caches: 2
[   80.360444][ T5882] syz-executor250 (5882): drop_caches: 2
[   80.365463][ T5883] syz-executor250 (5883): drop_caches: 2
[pid  5883] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5884] <... sendfile resumed> => [671], 571) = 571
[pid  5883] <... memfd_create resumed>) = 5
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} ---
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5883] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5885] <... sendfile resumed> => [671], 571) = 571
[pid  5884] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5885] memfd_create("syzkaller", 0) = 5
[pid  5884] <... memfd_create resumed>) = 5
./strace-static-x86_64: Process 5886 attached
[pid  5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5886
[pid  5886] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5885] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5884] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5886] <... set_robust_list resumed>) = 0
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5886] setpgid(0, 0)               = 0
[   80.388714][ T5885] syz-executor250 (5885): drop_caches: 2
[   80.390069][ T5884] syz-executor250 (5884): drop_caches: 2
[   80.394993][ T5885] syz-executor250 (5885): drop_caches: 2
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] write(3, "1000", 4)         = 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] => [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) = 0x7f0ef3200000
[   80.492683][ T5886] syz-executor250 (5886): drop_caches: 2
[   80.498945][ T5886] syz-executor250 (5886): drop_caches: 2
[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  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  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  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  5883] <... write resumed>)        = 16777216
[pid  5882] <... write resumed>)        = 16777216
[pid  5883] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5882] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5884] <... write resumed>)        = 16777216
[pid  5882] <... munmap resumed>)       = 0
[pid  5884] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5883] <... munmap resumed>)       = 0
[pid  5882] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5882] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5883] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5882] close(5 <unfinished ...>
[pid  5883] close(5 <unfinished ...>
[pid  5884] <... munmap resumed>)       = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5884] close(5 <unfinished ...>
[pid  5885] <... write resumed>)        = 16777216
[pid  5885] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5885] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5885] close(5 <unfinished ...>
[pid  5884] <... close resumed>)        = 0
[pid  5882] <... close resumed>)        = 0
[pid  5884] exit_group(0)               = ?
[pid  5884] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=19 /* 0.19 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5882] exit_group(0 <unfinished ...>
[pid  5886] <... write resumed>)        = 16777216
[pid  5883] exit_group(0 <unfinished ...>
[pid  5882] <... exit_group resumed>)   = ?
[pid  5886] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5883] <... exit_group resumed>)   = ?
[pid  5883] +++ exited with 0 +++
[pid  5882] +++ exited with 0 +++
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5825] --- 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=15 /* 0.15 s */} ---
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5887 attached
) = -1 EBUSY (Device or resource busy)
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5887
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5888
[pid  5822] 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(0x55557af31660, 24 <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 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(3executing program
./strace-static-x86_64: Process 5888 attached
)                    = 0
[pid  5887] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5886] <... munmap resumed>)       = 0
[pid  5889] write(1, "executing program\n", 18) = 18
[pid  5888] set_robust_list(0x55557af31660, 24 <unfinished ...>
[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  5888] <... set_robust_list resumed>) = 0
[pid  5887] <... set_robust_list resumed>) = 0
[pid  5886] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5888] <... prctl resumed>)        = 0
[pid  5887] <... prctl resumed>)        = 0
[pid  5886] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5888] setpgid(0, 0 <unfinished ...>
[pid  5887] setpgid(0, 0 <unfinished ...>
[pid  5886] close(5 <unfinished ...>
[pid  5888] <... setpgid resumed>)      = 0
[pid  5887] <... setpgid resumed>)      = 0
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5889] <... sendfile resumed> => [671], 571) = 571
[pid  5888] <... openat resumed>)       = 3
[pid  5887] <... openat resumed>)       = 3
[pid  5889] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5888] write(3, "1000", 4 <unfinished ...>
[pid  5887] write(3, "1000", 4 <unfinished ...>
[pid  5888] <... write resumed>)        = 4
[pid  5887] <... write resumed>)        = 4
[pid  5888] close(3 <unfinished ...>
[pid  5887] close(3 <unfinished ...>
[pid  5889] <... memfd_create resumed>) = 5
[pid  5888] <... close resumed>)        = 0
[pid  5887] <... close resumed>)        = 0
[pid  5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program
executing program
 <unfinished ...>
[pid  5888] write(1, "executing program\n", 18 <unfinished ...>
[pid  5887] write(1, "executing program\n", 18 <unfinished ...>
[pid  5889] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5888] <... write resumed>)        = 18
[pid  5887] <... write resumed>)        = 18
[pid  5888] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5885] <... close resumed>)        = 0
[pid  5887] <... openat resumed>)       = 3
[   80.945734][ T5889] syz-executor250 (5889): drop_caches: 2
[   80.954055][ T5889] syz-executor250 (5889): drop_caches: 2
[   80.977157][ T5888] syz-executor250 (5888): drop_caches: 2
[   80.988597][ T5890] syz-executor250 (5890): drop_caches: 2
[pid  5888] <... openat resumed>)       = 3
[pid  5887] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5885] exit_group(0 <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5887] <... openat resumed>)       = 4
[pid  5885] <... exit_group resumed>)   = ?
[pid  5888] <... openat resumed>)       = 4
[pid  5885] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} ---
[pid  5888] sendfile(4, 3, [100] <unfinished ...>
[pid  5887] sendfile(4, 3, [100] <unfinished ...>
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] 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, child_tidptr=0x55557af31650) = 5890
./strace-static-x86_64: Process 5890 attached
[pid  5890] set_robust_list(0x55557af31660, 24) = 0
[pid  5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5890] setpgid(0, 0)               = 0
[pid  5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5890] write(3, "1000", 4)         = 4
[pid  5890] close(3)                    = 0
[pid  5890] write(1, "executing program\n", 18) = 18
[pid  5890] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5890] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5890] sendfile(4, 3, [100]executing program
 <unfinished ...>
[pid  5888] <... sendfile resumed> => [671], 571) = 571
[pid  5890] <... sendfile resumed> => [671], 571) = 571
[pid  5890] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5888] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5887] <... sendfile resumed> => [671], 571) = 571
[pid  5886] <... close resumed>)        = 0
[pid  5890] <... memfd_create resumed>) = 5
[pid  5886] exit_group(0 <unfinished ...>
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5888] <... memfd_create resumed>) = 5
[pid  5886] <... exit_group resumed>)   = ?
[pid  5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[   80.989974][ T5887] syz-executor250 (5887): drop_caches: 2
[   80.996579][ T5890] syz-executor250 (5890): drop_caches: 2
[   81.010249][ T5888] syz-executor250 (5888): drop_caches: 2
[   81.019476][ T5887] syz-executor250 (5887): drop_caches: 2
[pid  5887] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5888] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5887] <... memfd_create resumed>) = 5
[pid  5886] +++ exited with 0 +++
[pid  5820] --- 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=18 /* 0.18 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", 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 5891 attached
, child_tidptr=0x55557af31650) = 5891
[pid  5891] set_robust_list(0x55557af31660, 24) = 0
[pid  5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5891] setpgid(0, 0)               = 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) = 4
[pid  5891] sendfile(4, 3, [100]executing program
 <unfinished ...>
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[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) = 0x7f0ef3200000
[   81.044703][ T5891] syz-executor250 (5891): drop_caches: 2
[   81.059780][ T5891] syz-executor250 (5891): drop_caches: 2
[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  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 <unfinished ...>
[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  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  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  5889] <... write resumed>)        = 16777216
[pid  5889] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5889] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5887] <... write resumed>)        = 16777216
[pid  5889] close(5 <unfinished ...>
[pid  5887] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5890] <... write resumed>)        = 16777216
[pid  5887] <... munmap resumed>)       = 0
[pid  5890] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5888] <... write resumed>)        = 16777216
[pid  5890] <... munmap resumed>)       = 0
[pid  5888] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5891] <... write resumed>)        = 16777216
[pid  5888] <... munmap resumed>)       = 0
[pid  5887] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5887] close(5 <unfinished ...>
[pid  5891] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5890] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5890] close(5 <unfinished ...>
[pid  5891] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5888] close(5 <unfinished ...>
[pid  5891] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5891] close(5 <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5889] exit_group(0)               = ?
[pid  5889] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5892
./strace-static-x86_64: Process 5892 attached
[pid  5892] set_robust_list(0x55557af31660, 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
executing program
[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  5887] <... close resumed>)        = 0
[pid  5887] exit_group(0)               = ?
[pid  5887] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, 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 ...>) = 0
[pid  5892] <... sendfile resumed> => [671], 571) = 571
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5893
./strace-static-x86_64: Process 5893 attached
[pid  5893] set_robust_list(0x55557af31660, 24) = 0
[pid  5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5893] setpgid(0, 0)               = 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(3executing program
)                    = 0
[pid  5893] write(1, "executing program\n", 18) = 18
[pid  5893] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5893] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5892] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5893] <... openat resumed>)       = 4
[pid  5892] <... memfd_create resumed>) = 5
[pid  5893] sendfile(4, 3, [100] <unfinished ...>
[   81.563934][ T5892] syz-executor250 (5892): drop_caches: 2
[   81.589776][ T5892] syz-executor250 (5892): drop_caches: 2
[   81.607051][ T5893] syz-executor250 (5893): drop_caches: 2
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5891] <... close resumed>)        = 0
[pid  5888] <... close resumed>)        = 0
[pid  5891] exit_group(0 <unfinished ...>
[pid  5888] exit_group(0 <unfinished ...>
[pid  5891] <... exit_group resumed>)   = ?
[pid  5888] <... exit_group resumed>)   = ?
[pid  5893] <... sendfile resumed> => [671], 571) = 571
[pid  5891] +++ exited with 0 +++
[pid  5890] <... close resumed>)        = 0
[pid  5888] +++ exited with 0 +++
[pid  5825] --- 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=22 /* 0.22 s */} ---
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached
, child_tidptr=0x55557af31650) = 5894
[pid  5894] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5890] exit_group(0 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid  5894] <... set_robust_list resumed>) = 0
[pid  5890] <... exit_group resumed>)   = ?
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5890] +++ exited with 0 +++
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5893] <... memfd_create resumed>) = 5
[pid  5821] --- 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  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5893] <... mmap resumed>)         = 0x7f0ef3200000
./strace-static-x86_64: Process 5895 attached
[pid  5894] <... prctl resumed>)        = 0
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5895
[   81.613562][ T5893] syz-executor250 (5893): drop_caches: 2
[pid  5895] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5894] setpgid(0, 0)               = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5894] 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./strace-static-x86_64: Process 5896 attached
 <unfinished ...>
[pid  5894] <... openat resumed>)       = 3
[pid  5894] write(3, "1000", 4 <unfinished ...>
[pid  5896] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5894] <... write resumed>)        = 4
[pid  5896] <... set_robust_list resumed>) = 0
[pid  5894] close(3 <unfinished ...>
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5894] <... close resumed>)        = 0
[pid  5896] <... prctl resumed>)        = 0
[pid  5896] setpgid(0, 0)               = 0
executing program
[pid  5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5896] write(3, "1000", 4)         = 4
[pid  5896] close(3)                    = 0
[pid  5896] write(1, "executing program\n", 18) = 18
[pid  5896] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5896] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5896
[pid  5896] <... openat resumed>)       = 4
[pid  5896] sendfile(4, 3, [100] <unfinished ...>
[pid  5895] <... set_robust_list resumed>) = 0
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5894] write(1, "executing program\n", 18executing program
) = 18
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] write(3, "1000", 4)         = 4
[pid  5895] close(3)                    = 0
executing program
[pid  5895] write(1, "executing program\n", 18) = 18
[pid  5895] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5895] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5895] sendfile(4, 3, [100] <unfinished ...>
[pid  5894] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5894] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   81.663206][ T5896] syz-executor250 (5896): drop_caches: 2
[   81.672444][ T5895] syz-executor250 (5895): drop_caches: 2
[   81.679203][ T5896] syz-executor250 (5896): drop_caches: 2
[   81.679939][ T5894] syz-executor250 (5894): drop_caches: 2
[   81.689350][ T5895] syz-executor250 (5895): drop_caches: 2
[pid  5894] sendfile(4, 3, [100] <unfinished ...>
[pid  5895] <... sendfile resumed> => [671], 571) = 571
[pid  5896] <... sendfile resumed> => [671], 571) = 571
[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  5896] memfd_create("syzkaller", 0) = 5
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5895] memfd_create("syzkaller", 0) = 5
[pid  5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5894] <... sendfile resumed> => [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) = 0x7f0ef3200000
[   81.709003][ T5894] syz-executor250 (5894): drop_caches: 2
[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  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  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  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] <... write resumed>)        = 16777216
[pid  5892] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] close(5 <unfinished ...>
[pid  5893] <... write resumed>)        = 16777216
[pid  5893] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   82.039852][    T8] cfg80211: failed to load regulatory.db
[pid  5893] close(5 <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5894] <... write resumed>)        = 16777216
[pid  5892] exit_group(0)               = ?
[pid  5892] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid  5895] <... write resumed>)        = 16777216
[pid  5896] <... write resumed>)        = 16777216
[pid  5895] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5894] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5896] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5894] <... munmap resumed>)       = 0
[pid  5893] <... close resumed>)        = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached
, child_tidptr=0x55557af31650) = 5898
[pid  5898] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5895] <... munmap resumed>)       = 0
[pid  5894] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5893] exit_group(0 <unfinished ...>
[pid  5898] <... set_robust_list resumed>) = 0
[pid  5895] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5895] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5894] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5893] <... exit_group resumed>)   = ?
[pid  5895] close(5 <unfinished ...>
[pid  5898] <... prctl resumed>)        = 0
[pid  5894] close(5 <unfinished ...>
[pid  5893] +++ exited with 0 +++
[pid  5896] <... munmap resumed>)       = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5898] setpgid(0, 0)               = 0
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5896] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5896] close(5 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5899
./strace-static-x86_64: Process 5899 attached
[pid  5899] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5898] <... openat resumed>)       = 3
[pid  5899] <... set_robust_list resumed>) = 0
[pid  5898] write(3, "1000", 4 <unfinished ...>
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5898] <... write resumed>)        = 4
[pid  5899] <... prctl resumed>)        = 0
[pid  5899] setpgid(0, 0 <unfinished ...>
[pid  5898] close(3 <unfinished ...>
[pid  5899] <... setpgid resumed>)      = 0
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5898] <... close resumed>)        = 0
[pid  5898] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5899] <... openat resumed>)       = 3
[pid  5898] <... write resumed>)        = 18
[pid  5899] write(3, "1000", 4 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5899] <... write resumed>)        = 4
[pid  5898] <... openat resumed>)       = 3
[pid  5899] close(3executing program
)                    = 0
[pid  5898] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5898] <... openat resumed>)       = 4
[pid  5899] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5898] sendfile(4, 3, [100] <unfinished ...>
[pid  5899] <... openat resumed>)       = 3
[pid  5894] <... close resumed>)        = 0
[pid  5899] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5898] <... sendfile resumed> => [671], 571) = 571
[pid  5894] exit_group(0 <unfinished ...>
[pid  5899] sendfile(4, 3, [100] <unfinished ...>
[pid  5894] <... exit_group resumed>)   = ?
[pid  5894] +++ exited with 0 +++
[pid  5898] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5899] <... sendfile resumed> => [671], 571) = 571
[pid  5898] <... memfd_create resumed>) = 5
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5900
[pid  5899] memfd_create("syzkaller", 0) = 5
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
./strace-static-x86_64: Process 5900 attached
[pid  5900] set_robust_list(0x55557af31660, 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  5895] <... close resumed>)        = 0
[pid  5900] write(3, "1000", 4 <unfinished ...>
[pid  5896] <... close resumed>)        = 0
[pid  5895] exit_group(0 <unfinished ...>
[pid  5900] <... write resumed>)        = 4
[pid  5900] close(3 <unfinished ...>
[pid  5895] <... exit_group resumed>)   = ?
[pid  5900] <... close resumed>)        = 0
[pid  5895] +++ exited with 0 +++
[   82.201163][ T5898] syz-executor250 (5898): drop_caches: 2
[   82.207387][ T5898] syz-executor250 (5898): drop_caches: 2
[   82.220333][ T5899] syz-executor250 (5899): drop_caches: 2
[   82.226822][ T5899] syz-executor250 (5899): drop_caches: 2
executing program
[pid  5900] write(1, "executing program\n", 18) = 18
[pid  5900] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5900] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5900] sendfile(4, 3, [100] <unfinished ...>
[pid  5896] exit_group(0 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5896] <... exit_group resumed>)   = ?
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5896] +++ exited with 0 +++
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5901
./strace-static-x86_64: Process 5901 attached
[pid  5901] set_robust_list(0x55557af31660, 24) = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5901] setpgid(0, 0)               = 0
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5901] write(3, "1000", 4)         = 4
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5901] close(3 <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5901] <... close resumed>)        = 0
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5901] write(1, "executing program\n", 18 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5902
./strace-static-x86_64: Process 5902 attached
[pid  5901] <... write resumed>)        = 18
[pid  5902] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5902] <... set_robust_list resumed>) = 0
[pid  5901] <... openat resumed>)       = 3
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5901] sendfile(4, 3, [100] <unfinished ...>
[pid  5900] <... sendfile resumed> => [671], 571) = 571
[pid  5900] memfd_create("syzkaller", 0) = 5
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5902] <... prctl resumed>)        = 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 <unfinished ...>
[pid  5901] <... sendfile resumed> => [671], 571) = 571
[pid  5902] <... write resumed>)        = 4
[pid  5901] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5902] close(3executing program
)                    = 0
[pid  5901] <... memfd_create resumed>) = 5
[pid  5902] write(1, "executing program\n", 18 <unfinished ...>
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5902] <... write resumed>)        = 18
[pid  5902] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5901] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5902] <... openat resumed>)       = 3
[pid  5902] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   82.278934][ T5900] syz-executor250 (5900): drop_caches: 2
[   82.292578][ T5900] syz-executor250 (5900): drop_caches: 2
[   82.311140][ T5901] syz-executor250 (5901): drop_caches: 2
[   82.317482][ T5901] syz-executor250 (5901): drop_caches: 2
[pid  5902] sendfile(4, 3, [100] => [671], 571) = 571
[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  5902] memfd_create("syzkaller", 0 <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  5902] <... memfd_create resumed>) = 5
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   82.359935][ T5902] syz-executor250 (5902): drop_caches: 2
[   82.376006][ T5902] syz-executor250 (5902): drop_caches: 2
[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  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  5899] <... write resumed>)        = 16777216
[pid  5898] <... write resumed>)        = 16777216
[pid  5899] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5898] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5898] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5898] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5898] close(5 <unfinished ...>
[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  5899] close(5 <unfinished ...>
[pid  5901] <... write resumed>)        = 16777216
[pid  5900] <... write resumed>)        = 16777216
[pid  5900] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5901] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5900] <... munmap resumed>)       = 0
[pid  5901] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5900] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5898] <... close resumed>)        = 0
[pid  5900] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5900] close(5 <unfinished ...>
[pid  5901] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5901] close(5 <unfinished ...>
[pid  5898] exit_group(0)               = ?
[pid  5898] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5903
./strace-static-x86_64: Process 5903 attached
[pid  5899] <... close resumed>)        = 0
[pid  5903] set_robust_list(0x55557af31660, 24) = 0
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5903] setpgid(0, 0)               = 0
[pid  5899] exit_group(0 <unfinished ...>
[pid  5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5899] <... exit_group resumed>)   = ?
[pid  5903] <... openat resumed>)       = 3
[pid  5899] +++ exited with 0 +++
[pid  5903] write(3, "1000", 4)         = 4
[pid  5819] --- 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  5903] close(3 <unfinished ...>
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5903] <... close resumed>)        = 0
[pid  5903] write(1, "executing program\n", 18executing program
) = 18
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5903] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5903] <... openat resumed>)       = 3
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5903] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5903] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5904 attached
[pid  5903] sendfile(4, 3, [100] <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5904
[pid  5904] set_robust_list(0x55557af31660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0 <unfinished ...>
[pid  5900] <... close resumed>)        = 0
[pid  5904] <... setpgid resumed>)      = 0
[pid  5903] <... sendfile resumed> => [671], 571) = 571
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5903] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5900] exit_group(0 <unfinished ...>
[pid  5904] write(3, "1000", 4 <unfinished ...>
[pid  5903] <... memfd_create resumed>) = 5
[pid  5900] <... exit_group resumed>)   = ?
[pid  5904] <... write resumed>)        = 4
[pid  5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5904] close(3)                    = 0
[pid  5903] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5900] +++ exited with 0 +++
[pid  5904] write(1, "executing program\n", 18 <unfinished ...>
[pid  5901] <... close resumed>)        = 0
executing program
[pid  5904] <... write resumed>)        = 18
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
[pid  5902] <... write resumed>)        = 16777216
[pid  5904] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5901] exit_group(0 <unfinished ...>
[   82.774614][ T5903] syz-executor250 (5903): drop_caches: 2
[   82.790451][ T5903] syz-executor250 (5903): drop_caches: 2
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5904] <... openat resumed>)       = 3
[pid  5902] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5901] <... exit_group resumed>)   = ?
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5904] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5904] <... openat resumed>)       = 4
[pid  5904] sendfile(4, 3, [100] <unfinished ...>
[pid  5901] +++ exited with 0 +++
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5905
./strace-static-x86_64: Process 5905 attached
[pid  5905] set_robust_list(0x55557af31660, 24) = 0
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5905] setpgid(0, 0)               = 0
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} ---
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5905] write(3, "1000", 4)         = 4
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5905] close(3executing program
)                    = 0
[pid  5820] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5905] write(1, "executing program\n", 18) = 18
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5905] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5906
./strace-static-x86_64: Process 5906 attached
[pid  5905] <... openat resumed>)       = 3
[pid  5906] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5905] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5902] <... munmap resumed>)       = 0
[pid  5906] <... set_robust_list resumed>) = 0
[pid  5905] <... openat resumed>)       = 4
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5902] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5906] <... prctl resumed>)        = 0
[pid  5905] sendfile(4, 3, [100] <unfinished ...>
[pid  5906] setpgid(0, 0 <unfinished ...>
[pid  5902] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5902] close(5 <unfinished ...>
[pid  5906] <... setpgid resumed>)      = 0
[pid  5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5906] write(3, "1000", 4 <unfinished ...>
[pid  5905] <... sendfile resumed> => [671], 571) = 571
[pid  5906] <... write resumed>)        = 4
[pid  5906] close(3)                    = 0
[pid  5905] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5906] write(1, "executing program\n", 18executing program
) = 18
[pid  5905] <... memfd_create resumed>) = 5
[pid  5906] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5906] <... openat resumed>)       = 3
[pid  5906] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5905] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5906] <... openat resumed>)       = 4
[pid  5906] sendfile(4, 3, [100] <unfinished ...>
[pid  5904] <... sendfile resumed> => [671], 571) = 571
[pid  5904] memfd_create("syzkaller", 0) = 5
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   82.843682][ T5904] syz-executor250 (5904): drop_caches: 2
[   82.859069][ T5905] syz-executor250 (5905): drop_caches: 2
[   82.861278][ T5904] syz-executor250 (5904): drop_caches: 2
[   82.865137][ T5905] syz-executor250 (5905): drop_caches: 2
[   82.888047][ T5906] syz-executor250 (5906): drop_caches: 2
[pid  5906] <... sendfile resumed> => [671], 571) = 571
[pid  5906] memfd_create("syzkaller", 0) = 5
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[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 ...>
[pid  5902] <... close resumed>)        = 0
[   82.909517][ T5906] syz-executor250 (5906): drop_caches: 2
[pid  5902] exit_group(0)               = ?
[pid  5902] +++ exited with 0 +++
[pid  5821] --- 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=16 /* 0.16 s */} ---
[pid  5821] 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./strace-static-x86_64: Process 5907 attached
, child_tidptr=0x55557af31650) = 5907
[pid  5907] set_robust_list(0x55557af31660, 24) = 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(3)                    = 0
executing program
[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] => [671], 571) = 571
[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  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  5907] memfd_create("syzkaller", 0) = 5
[pid  5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   83.023519][ T5907] syz-executor250 (5907): drop_caches: 2
[   83.044404][ T5907] syz-executor250 (5907): drop_caches: 2
[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  5903] <... write resumed>)        = 16777216
[pid  5903] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5903] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5903] close(5 <unfinished ...>
[pid  5904] <... write resumed>)        = 16777216
[pid  5904] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5904] close(5 <unfinished ...>
[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  5905] <... write resumed>)        = 16777216
[pid  5906] <... write resumed>)        = 16777216
[pid  5905] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5906] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5905] <... munmap resumed>)       = 0
[pid  5905] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5903] <... close resumed>)        = 0
[pid  5905] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5906] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5906] close(5 <unfinished ...>
[pid  5905] close(5 <unfinished ...>
[pid  5903] exit_group(0 <unfinished ...>
[pid  5904] <... close resumed>)        = 0
[pid  5903] <... exit_group resumed>)   = ?
[pid  5904] exit_group(0)               = ?
[pid  5904] +++ exited with 0 +++
[pid  5903] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5822] --- 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  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5908
./strace-static-x86_64: Process 5908 attached
executing program
[pid  5822] <... restart_syscall resumed>) = 0
[pid  5908] set_robust_list(0x55557af31660, 24) = 0
[pid  5908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5908] <... prctl resumed>)        = 0
[pid  5908] setpgid(0, 0)               = 0
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5908] write(3, "1000", 4)         = 4
[pid  5908] close(3)                    = 0
[pid  5908] write(1, "executing program\n", 18) = 18
[pid  5908] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5909 attached
) = 3
[pid  5908] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5909] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5908] <... openat resumed>)       = 4
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5909
[pid  5909] <... set_robust_list resumed>) = 0
[pid  5908] sendfile(4, 3, [100] <unfinished ...>
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5909] setpgid(0, 0)               = 0
[pid  5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5906] <... close resumed>)        = 0
[pid  5909] <... openat resumed>)       = 3
[pid  5909] write(3, "1000", 4)         = 4
[pid  5909] close(3)                    = 0
[pid  5909] write(1, "executing program\n", 18executing program
) = 18
[pid  5906] exit_group(0 <unfinished ...>
[pid  5909] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5908] <... sendfile resumed> => [671], 571) = 571
[pid  5909] <... openat resumed>)       = 3
[pid  5906] <... exit_group resumed>)   = ?
[pid  5909] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5906] +++ exited with 0 +++
[pid  5909] <... openat resumed>)       = 4
[pid  5909] sendfile(4, 3, [100] <unfinished ...>
[pid  5908] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5908] <... memfd_create resumed>) = 5
[pid  5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5820] openat(AT_FDCWD, "/dev/loop1", 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 5910 attached
 <unfinished ...>
[pid  5910] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5910
[pid  5910] <... set_robust_list resumed>) = 0
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5909] <... sendfile resumed> => [671], 571) = 571
[pid  5910] <... prctl resumed>)        = 0
[pid  5910] setpgid(0, 0)               = 0
[pid  5909] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5909] <... memfd_create resumed>) = 5
[pid  5910] <... openat resumed>)       = 3
[pid  5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5907] <... write resumed>)        = 16777216
[pid  5910] write(3, "1000", 4)         = 4
[pid  5909] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5910] close(3)                    = 0
executing program
[pid  5910] write(1, "executing program\n", 18) = 18
[pid  5910] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5907] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5910] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5905] <... close resumed>)        = 0
[pid  5910] <... openat resumed>)       = 4
[   83.385495][ T5908] syz-executor250 (5908): drop_caches: 2
[   83.400472][ T5908] syz-executor250 (5908): drop_caches: 2
[   83.423420][ T5909] syz-executor250 (5909): drop_caches: 2
[   83.429967][ T5909] syz-executor250 (5909): drop_caches: 2
[pid  5910] sendfile(4, 3, [100] <unfinished ...>
[pid  5907] <... munmap resumed>)       = 0
[pid  5905] exit_group(0)               = ?
[pid  5905] +++ exited with 0 +++
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5911
[pid  5907] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5907] close(5./strace-static-x86_64: Process 5911 attached
 <unfinished ...>
[pid  5911] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5910] <... sendfile resumed> => [671], 571) = 571
[pid  5911] <... set_robust_list resumed>) = 0
[pid  5910] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5911] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5910] <... memfd_create resumed>) = 5
[pid  5911] <... prctl resumed>)        = 0
[pid  5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5911] setpgid(0, 0 <unfinished ...>
[pid  5910] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5911] <... setpgid resumed>)      = 0
[pid  5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5911] write(3, "1000", 4)         = 4
[pid  5911] close(3)                    = 0
[   83.460872][ T5910] syz-executor250 (5910): drop_caches: 2
[   83.475236][ T5910] syz-executor250 (5910): drop_caches: 2
[pid  5911] write(1, "executing program\n", 18executing program
) = 18
[pid  5911] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5911] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5911] sendfile(4, 3, [100] <unfinished ...>
[pid  5907] <... close resumed>)        = 0
[pid  5907] exit_group(0)               = ?
[pid  5907] +++ exited with 0 +++
[pid  5821] --- 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  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[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  5911] <... sendfile resumed> => [671], 571) = 571
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] 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, child_tidptr=0x55557af31650) = 5912
./strace-static-x86_64: Process 5912 attached
[pid  5911] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5912] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5911] <... memfd_create resumed>) = 5
[pid  5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5912] <... set_robust_list resumed>) = 0
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5912] setpgid(0, 0 <unfinished ...>
[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  5912] <... setpgid resumed>)      = 0
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5912] write(3, "1000", 4)         = 4
[pid  5912] close(3executing program
)                    = 0
[pid  5912] write(1, "executing program\n", 18) = 18
[pid  5912] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   83.570765][ T5911] syz-executor250 (5911): drop_caches: 2
[   83.576922][ T5911] syz-executor250 (5911): drop_caches: 2
[pid  5912] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[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  5912] sendfile(4, 3, [100] => [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) = 0x7f0ef3200000
[   83.650100][ T5912] syz-executor250 (5912): drop_caches: 2
[   83.656985][ T5912] syz-executor250 (5912): drop_caches: 2
[pid  5910] <... write resumed>)        = 16777216
[pid  5910] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5908] <... write resumed>)        = 16777216
[pid  5908] munmap(0x7f0ef3200000, 138412032) = 0
[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] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5909] <... write resumed>)        = 16777216
[pid  5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5910] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[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  5909] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5908] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5910] close(5 <unfinished ...>
[pid  5909] <... munmap resumed>)       = 0
[pid  5908] close(5 <unfinished ...>
[pid  5909] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5909] close(5 <unfinished ...>
[pid  5912] <... write resumed>)        = 16777216
[pid  5912] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5910] <... close resumed>)        = 0
[pid  5910] exit_group(0)               = ?
[pid  5910] +++ exited with 0 +++
[pid  5912] <... munmap resumed>)       = 0
[pid  5820] --- 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  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", 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 5913 attached
, child_tidptr=0x55557af31650) = 5913
[pid  5913] set_robust_list(0x55557af31660, 24) = 0
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5911] <... write resumed>)        = 16777216
[pid  5913] <... prctl resumed>)        = 0
[pid  5913] setpgid(0, 0 <unfinished ...>
[pid  5911] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5913] <... setpgid resumed>)      = 0
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5913] write(3, "1000", 4)         = 4
executing program
[pid  5913] close(3)                    = 0
[pid  5913] write(1, "executing program\n", 18) = 18
[pid  5913] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5913] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5913] sendfile(4, 3, [100] <unfinished ...>
[pid  5911] <... munmap resumed>)       = 0
[pid  5912] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5912] close(5 <unfinished ...>
[pid  5911] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5908] <... close resumed>)        = 0
[pid  5911] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5908] exit_group(0 <unfinished ...>
[pid  5911] close(5 <unfinished ...>
[pid  5908] <... exit_group resumed>)   = ?
[pid  5908] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=12 /* 0.12 s */} ---
[pid  5909] <... close resumed>)        = 0
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5913] <... sendfile resumed> => [671], 571) = 571
[pid  5909] exit_group(0 <unfinished ...>
[pid  5913] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5909] <... exit_group resumed>)   = ?
[pid  5913] <... memfd_create resumed>) = 5
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5909] +++ exited with 0 +++
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] <... openat resumed>)       = -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 5914 attached
, child_tidptr=0x55557af31650) = 5914
[pid  5914] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5822] <... restart_syscall resumed>) = 0
[pid  5914] <... set_robust_list resumed>) = 0
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5914] setpgid(0, 0 <unfinished ...>
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5914] <... setpgid resumed>)      = 0
[   83.995270][ T5913] syz-executor250 (5913): drop_caches: 2
[   84.010328][ T5913] syz-executor250 (5913): drop_caches: 2
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached
 <unfinished ...>
[pid  5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5915
[pid  5915] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5914] <... openat resumed>)       = 3
[pid  5915] <... set_robust_list resumed>) = 0
[pid  5914] write(3, "1000", 4executing program
)         = 4
[pid  5915] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5914] close(3 <unfinished ...>
[pid  5915] <... prctl resumed>)        = 0
[pid  5914] <... close resumed>)        = 0
[pid  5915] setpgid(0, 0 <unfinished ...>
[pid  5914] write(1, "executing program\n", 18) = 18
[pid  5915] <... setpgid resumed>)      = 0
[pid  5914] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5914] <... openat resumed>)       = 3
[pid  5915] write(3, "1000", 4 <unfinished ...>
[pid  5914] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5915] <... write resumed>)        = 4
[pid  5915] close(3 <unfinished ...>
[pid  5914] <... openat resumed>)       = 4
[pid  5915] <... close resumed>)        = 0
executing program
[pid  5915] write(1, "executing program\n", 18 <unfinished ...>
[pid  5914] sendfile(4, 3, [100] <unfinished ...>
[pid  5915] <... write resumed>)        = 18
[pid  5915] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5915] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5915] sendfile(4, 3, [100] <unfinished ...>
[pid  5911] <... close resumed>)        = 0
[pid  5915] <... sendfile resumed> => [671], 571) = 571
[pid  5914] <... sendfile resumed> => [671], 571) = 571
[pid  5911] exit_group(0 <unfinished ...>
[pid  5915] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5911] <... exit_group resumed>)   = ?
[pid  5911] +++ exited with 0 +++
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} ---
[pid  5914] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5915] <... memfd_create resumed>) = 5
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5914] <... memfd_create resumed>) = 5
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5915] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached
, child_tidptr=0x55557af31650) = 5916
[pid  5916] set_robust_list(0x55557af31660, 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", 4)         = 4
executing program
[pid  5916] close(3)                    = 0
[pid  5916] write(1, "executing program\n", 18) = 18
[   84.067957][ T5914] syz-executor250 (5914): drop_caches: 2
[   84.075967][ T5915] syz-executor250 (5915): drop_caches: 2
[   84.087786][ T5915] syz-executor250 (5915): drop_caches: 2
[   84.094067][ T5914] syz-executor250 (5914): drop_caches: 2
[pid  5916] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5912] <... close resumed>)        = 0
[pid  5916] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5914] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5916] <... openat resumed>)       = 4
[pid  5916] sendfile(4, 3, [100] <unfinished ...>
[pid  5912] exit_group(0)               = ?
[pid  5912] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} ---
[pid  5821] 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./strace-static-x86_64: Process 5917 attached
 <unfinished ...>
[pid  5916] <... sendfile resumed> => [671], 571) = 571
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5917
[pid  5916] memfd_create("syzkaller", 0) = 5
[pid  5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5917] set_robust_list(0x55557af31660, 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
executing program
[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
[   84.116602][ T5916] syz-executor250 (5916): drop_caches: 2
[   84.129545][ T5916] syz-executor250 (5916): drop_caches: 2
[pid  5917] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5917] memfd_create("syzkaller", 0) = 5
[pid  5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   84.163828][ T5917] syz-executor250 (5917): drop_caches: 2
[   84.189751][ T5917] syz-executor250 (5917): drop_caches: 2
[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  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  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  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  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  5913] <... write resumed>)        = 16777216
[pid  5913] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5913] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5913] close(5 <unfinished ...>
[pid  5915] <... write resumed>)        = 16777216
[pid  5914] <... write resumed>)        = 16777216
[pid  5916] <... write resumed>)        = 16777216
[pid  5915] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5914] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5916] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5914] <... munmap resumed>)       = 0
[pid  5916] <... munmap resumed>)       = 0
[pid  5917] <... write resumed>)        = 16777216
[pid  5916] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5915] <... munmap resumed>)       = 0
[pid  5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5913] <... close resumed>)        = 0
[pid  5917] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5916] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5915] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5913] exit_group(0 <unfinished ...>
[pid  5917] <... munmap resumed>)       = 0
[pid  5916] close(5 <unfinished ...>
[pid  5915] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5914] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5915] close(5 <unfinished ...>
[pid  5914] close(5 <unfinished ...>
[pid  5913] <... exit_group resumed>)   = ?
[pid  5917] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5917] close(5 <unfinished ...>
[pid  5913] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5918
./strace-static-x86_64: Process 5918 attached
[pid  5918] set_robust_list(0x55557af31660, 24) = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5918] setpgid(0, 0)               = 0
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5918] write(3, "1000", 4)         = 4
[pid  5918] close(3)                    = 0
executing program
[pid  5918] write(1, "executing program\n", 18) = 18
[pid  5918] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5918] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5918] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5918] memfd_create("syzkaller", 0) = 5
[pid  5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5917] <... close resumed>)        = 0
[   84.630287][ T5918] syz-executor250 (5918): drop_caches: 2
[   84.649639][ T5918] syz-executor250 (5918): drop_caches: 2
[pid  5916] <... close resumed>)        = 0
[pid  5917] exit_group(0 <unfinished ...>
[pid  5915] <... close resumed>)        = 0
[pid  5914] <... close resumed>)        = 0
[pid  5916] exit_group(0 <unfinished ...>
[pid  5915] exit_group(0 <unfinished ...>
[pid  5916] <... exit_group resumed>)   = ?
[pid  5915] <... exit_group resumed>)   = ?
[pid  5916] +++ exited with 0 +++
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5917] <... exit_group resumed>)   = ?
[pid  5914] exit_group(0 <unfinished ...>
[pid  5917] +++ exited with 0 +++
[pid  5915] +++ exited with 0 +++
[pid  5914] <... exit_group resumed>)   = ?
[pid  5914] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=16 /* 0.16 s */} ---
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5822] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] <... 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(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached
./strace-static-x86_64: Process 5920 attached
 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5920
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5919
[pid  5919] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5920] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5919] <... set_robust_list resumed>) = 0
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5921 attached
 <unfinished ...>
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5920] <... set_robust_list resumed>) = 0
[pid  5919] <... prctl resumed>)        = 0
[pid  5919] setpgid(0, 0)               = 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 <unfinished ...>
[pid  5920] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5919] write(1, "executing program\n", 18executing program
) = 18
[pid  5919] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5921] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5920] <... prctl resumed>)        = 0
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5921
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5921] <... set_robust_list resumed>) = 0
[pid  5920] setpgid(0, 0 <unfinished ...>
[pid  5919] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5920] <... setpgid resumed>)      = 0
[pid  5919] <... openat resumed>)       = 4
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5921] <... prctl resumed>)        = 0
[pid  5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5919] sendfile(4, 3, [100] <unfinished ...>
[pid  5921] setpgid(0, 0 <unfinished ...>
[pid  5920] <... openat resumed>)       = 3
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5921] <... setpgid resumed>)      = 0
[pid  5920] write(3, "1000", 4 <unfinished ...>
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5920] <... write resumed>)        = 4
[pid  5921] <... openat resumed>)       = 3
[pid  5920] close(3)                    = 0
[pid  5920] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5921] write(3, "1000", 4 <unfinished ...>
[pid  5920] <... write resumed>)        = 18
executing program
[pid  5921] <... write resumed>)        = 4
[pid  5920] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5921] close(3)                    = 0
[pid  5920] <... openat resumed>)       = 3
[pid  5921] write(1, "executing program\n", 18) = 18
[pid  5921] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5922
[pid  5921] <... openat resumed>)       = 3
[pid  5920] <... openat resumed>)       = 4
[pid  5921] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5922 attached
) = 4
[pid  5920] sendfile(4, 3, [100] <unfinished ...>
[pid  5922] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5921] sendfile(4, 3, [100] <unfinished ...>
[pid  5922] <... set_robust_list resumed>) = 0
[pid  5919] <... sendfile resumed> => [671], 571) = 571
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5919] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5922] <... prctl resumed>)        = 0
[pid  5919] <... memfd_create resumed>) = 5
[pid  5922] setpgid(0, 0)               = 0
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5919] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5922] <... openat resumed>)       = 3
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3)                    = 0
[pid  5922] write(1, "executing program\n", 18executing program
) = 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  5921] memfd_create("syzkaller", 0) = 5
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5920] <... sendfile resumed> => [671], 571) = 571
[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  5920] memfd_create("syzkaller", 0) = 5
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   84.730359][ T5919] syz-executor250 (5919): drop_caches: 2
[   84.736399][ T5919] syz-executor250 (5919): drop_caches: 2
[   84.737682][ T5920] syz-executor250 (5920): drop_caches: 2
[   84.748843][ T5921] syz-executor250 (5921): drop_caches: 2
[   84.756518][ T5921] syz-executor250 (5921): drop_caches: 2
[   84.763151][ T5920] syz-executor250 (5920): drop_caches: 2
[   84.773591][ T5922] syz-executor250 (5922): drop_caches: 2
[pid  5922] <... sendfile resumed> => [671], 571) = 571
[pid  5922] memfd_create("syzkaller", 0) = 5
[pid  5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   84.799580][ T5922] syz-executor250 (5922): drop_caches: 2
[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  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  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  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  5918] <... write resumed>)        = 16777216
[pid  5918] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5918] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5918] close(5 <unfinished ...>
[pid  5921] <... write resumed>)        = 16777216
[pid  5919] <... write resumed>)        = 16777216
[pid  5921] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5919] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5921] <... munmap resumed>)       = 0
[pid  5919] <... munmap resumed>)       = 0
[pid  5920] <... write resumed>)        = 16777216
[pid  5921] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5920] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5919] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5918] <... close resumed>)        = 0
[pid  5922] <... write resumed>)        = 16777216
[pid  5921] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5919] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5922] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5921] close(5 <unfinished ...>
[pid  5919] close(5 <unfinished ...>
[pid  5920] <... munmap resumed>)       = 0
[pid  5918] exit_group(0 <unfinished ...>
[pid  5922] <... munmap resumed>)       = 0
[pid  5920] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5918] <... exit_group resumed>)   = ?
[pid  5918] +++ exited with 0 +++
[pid  5920] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5920] close(5 <unfinished ...>
[pid  5922] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5922] close(5 <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5923
./strace-static-x86_64: Process 5923 attached
[pid  5923] set_robust_list(0x55557af31660, 24) = 0
[pid  5923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5923] setpgid(0, 0)               = 0
executing program
[pid  5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5923] write(3, "1000", 4)         = 4
[pid  5923] close(3)                    = 0
[pid  5923] write(1, "executing program\n", 18) = 18
[pid  5923] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5923] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5923] sendfile(4, 3, [100] <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5923] <... sendfile resumed> => [671], 571) = 571
[pid  5921] <... close resumed>)        = 0
[pid  5920] <... close resumed>)        = 0
[pid  5923] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5921] exit_group(0 <unfinished ...>
[pid  5920] exit_group(0 <unfinished ...>
[pid  5919] exit_group(0 <unfinished ...>
[pid  5923] <... memfd_create resumed>) = 5
[pid  5921] <... exit_group resumed>)   = ?
[pid  5920] <... exit_group resumed>)   = ?
[pid  5919] <... exit_group resumed>)   = ?
[pid  5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5922] <... close resumed>)        = 0
[pid  5921] +++ exited with 0 +++
[pid  5920] +++ exited with 0 +++
[pid  5919] +++ exited with 0 +++
[pid  5923] <... mmap resumed>)         = 0x7f0ef3200000
[   85.260507][ T5923] syz-executor250 (5923): drop_caches: 2
[   85.266695][ T5923] syz-executor250 (5923): drop_caches: 2
[pid  5922] exit_group(0 <unfinished ...>
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} ---
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} ---
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5922] <... exit_group resumed>)   = ?
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5922] +++ exited with 0 +++
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] <... 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(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
executing program
./strace-static-x86_64: Process 5926 attached
./strace-static-x86_64: Process 5925 attached
 <unfinished ...>
[pid  5926] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5925] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5926
[pid  5926] <... set_robust_list resumed>) = 0
[pid  5925] <... set_robust_list resumed>) = 0
[pid  5926] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5925] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5926] <... prctl resumed>)        = 0
[pid  5925] <... prctl resumed>)        = 0
[pid  5926] setpgid(0, 0 <unfinished ...>
[pid  5925] setpgid(0, 0 <unfinished ...>
[pid  5926] <... setpgid resumed>)      = 0
[pid  5925] <... setpgid resumed>)      = 0
[pid  5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5925] <... openat resumed>)       = 3
[pid  5925] write(3, "1000", 4)         = 4
[pid  5926] <... openat resumed>)       = 3
[pid  5925] close(3)                    = 0
[pid  5925] write(1, "executing program\n", 18 <unfinished ...>
[pid  5926] write(3, "1000", 4 <unfinished ...>
[pid  5925] <... write resumed>)        = 18
[pid  5926] <... write resumed>)        = 4
[pid  5925] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5926] close(3 <unfinished ...>
[pid  5925] <... openat resumed>)       = 3
[pid  5926] <... close resumed>)        = 0
[pid  5925] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5926] write(1, "executing program\n", 18 <unfinished ...>
[pid  5925] <... openat resumed>)       = 4
[pid  5926] <... write resumed>)        = 18
[pid  5925] sendfile(4, 3, [100] <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5822] <... restart_syscall resumed>) = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5925
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5926] <... openat resumed>)       = 3
[pid  5926] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5926] sendfile(4, 3, [100]./strace-static-x86_64: Process 5928 attached
./strace-static-x86_64: Process 5927 attached
 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5927
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5928
[pid  5927] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5928] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5927] <... set_robust_list resumed>) = 0
[pid  5928] <... set_robust_list resumed>) = 0
[pid  5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5927] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5928] setpgid(0, 0 <unfinished ...>
[pid  5927] <... prctl resumed>)        = 0
[pid  5927] setpgid(0, 0)               = 0
[pid  5928] <... setpgid resumed>)      = 0
[pid  5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5926] <... sendfile resumed> => [671], 571) = 571
[pid  5925] <... sendfile resumed> => [671], 571) = 571
[pid  5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5927] <... openat resumed>)       = 3
[pid  5926] memfd_create("syzkaller", 0executing program
executing program
 <unfinished ...>
[pid  5928] <... openat resumed>)       = 3
[pid  5927] write(3, "1000", 4 <unfinished ...>
[pid  5925] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5928] write(3, "1000", 4 <unfinished ...>
[pid  5927] <... write resumed>)        = 4
[pid  5928] <... write resumed>)        = 4
[pid  5927] close(3 <unfinished ...>
[pid  5925] <... memfd_create resumed>) = 5
[pid  5928] close(3 <unfinished ...>
[pid  5927] <... close resumed>)        = 0
[pid  5928] <... close resumed>)        = 0
[pid  5927] write(1, "executing program\n", 18 <unfinished ...>
[pid  5928] write(1, "executing program\n", 18 <unfinished ...>
[pid  5927] <... write resumed>)        = 18
[pid  5928] <... write resumed>)        = 18
[pid  5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5927] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5928] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5927] <... openat resumed>)       = 3
[pid  5925] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5928] <... openat resumed>)       = 3
[pid  5927] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[   85.340521][ T5925] syz-executor250 (5925): drop_caches: 2
[   85.348275][ T5926] syz-executor250 (5926): drop_caches: 2
[   85.354704][ T5925] syz-executor250 (5925): drop_caches: 2
[   85.361728][ T5926] syz-executor250 (5926): drop_caches: 2
[pid  5928] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5927] <... openat resumed>)       = 4
[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  5927] sendfile(4, 3, [100] <unfinished ...>
[pid  5928] sendfile(4, 3, [100] <unfinished ...>
[pid  5926] <... memfd_create resumed>) = 5
[pid  5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5928] <... sendfile resumed> => [671], 571) = 571
[pid  5927] <... sendfile resumed> => [671], 571) = 571
[pid  5927] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5928] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5927] <... memfd_create resumed>) = 5
[pid  5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5928] <... memfd_create resumed>) = 5
[pid  5927] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   85.387000][ T5928] syz-executor250 (5928): drop_caches: 2
[   85.393739][ T5927] syz-executor250 (5927): drop_caches: 2
[   85.409630][ T5928] syz-executor250 (5928): drop_caches: 2
[   85.419495][ T5927] syz-executor250 (5927): drop_caches: 2
[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  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] <... write resumed>)        = 16777216
[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  5923] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5923] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5923] 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  5925] <... write resumed>)        = 16777216
[pid  5923] <... close resumed>)        = 0
[pid  5926] <... write resumed>)        = 16777216
[pid  5926] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5925] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5923] exit_group(0)               = ?
[pid  5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5923] +++ exited with 0 +++
[pid  5926] close(5 <unfinished ...>
[pid  5820] --- 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  5820] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", 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 5929 attached
 <unfinished ...>
[pid  5927] <... write resumed>)        = 16777216
[pid  5929] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x55557af31650) = 5929
[pid  5929] <... set_robust_list resumed>) = 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 <unfinished ...>
[pid  5927] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5929] <... openat resumed>)       = 3
[pid  5929] write(3, "1000", 4)         = 4
[pid  5925] <... munmap resumed>)       = 0
[pid  5929] close(3 <unfinished ...>
[pid  5925] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5929] <... close resumed>)        = 0
executing program
[pid  5929] write(1, "executing program\n", 18 <unfinished ...>
[pid  5925] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5929] <... write resumed>)        = 18
[pid  5925] close(5 <unfinished ...>
[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] <... munmap resumed>)       = 0
[pid  5928] <... write resumed>)        = 16777216
[pid  5927] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5927] close(5 <unfinished ...>
[pid  5928] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5929] <... sendfile resumed> => [671], 571) = 571
[pid  5929] memfd_create("syzkaller", 0) = 5
[pid  5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5928] <... munmap resumed>)       = 0
[pid  5929] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5928] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[   85.847507][ T5929] syz-executor250 (5929): drop_caches: 2
[   85.866095][ T5929] syz-executor250 (5929): drop_caches: 2
[pid  5928] close(5 <unfinished ...>
[pid  5926] <... close resumed>)        = 0
[pid  5926] exit_group(0)               = ?
[pid  5926] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=18 /* 0.18 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop0", 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  5930] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5930
[pid  5930] <... set_robust_list resumed>) = 0
[pid  5930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5930] setpgid(0, 0)               = 0
[pid  5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5930] write(3, "1000", 4)         = 4
[pid  5930] close(3)                    = 0
executing program
[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  5925] <... close resumed>)        = 0
[pid  5930] <... sendfile resumed> => [671], 571) = 571
[pid  5927] <... close resumed>)        = 0
[pid  5925] exit_group(0 <unfinished ...>
[pid  5930] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5928] <... close resumed>)        = 0
[pid  5925] <... exit_group resumed>)   = ?
[pid  5930] <... memfd_create resumed>) = 5
[pid  5927] exit_group(0 <unfinished ...>
[pid  5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5927] <... exit_group resumed>)   = ?
[pid  5925] +++ exited with 0 +++
[pid  5930] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5927] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=15 /* 0.15 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5825] <... restart_syscall resumed>) = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5931 attached
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5932 attached
 <unfinished ...>
[pid  5931] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5931
[pid  5931] <... set_robust_list resumed>) = 0
[   85.951828][ T5930] syz-executor250 (5930): drop_caches: 2
[   85.969663][ T5930] syz-executor250 (5930): drop_caches: 2
[pid  5932] set_robust_list(0x55557af31660, 24) = 0
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5932
[pid  5932] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5931] <... prctl resumed>)        = 0
[pid  5931] setpgid(0, 0 <unfinished ...>
[pid  5932] <... prctl resumed>)        = 0
[pid  5931] <... setpgid resumed>)      = 0
[pid  5932] setpgid(0, 0)               = 0
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5931] <... openat resumed>)       = 3
[pid  5932] <... openat resumed>)       = 3
[pid  5931] write(3, "1000", 4 <unfinished ...>
[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  5932] write(3, "1000", 4 <unfinished ...>
[pid  5931] <... write resumed>)        = 4
[pid  5928] exit_group(0 <unfinished ...>
[pid  5932] <... write resumed>)        = 4
[pid  5931] close(3 <unfinished ...>
[pid  5928] <... exit_group resumed>)   = ?
[pid  5932] close(3executing program
 <unfinished ...>
[pid  5931] <... close resumed>)        = 0
[pid  5932] <... close resumed>)        = 0
[pid  5931] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5932] write(1, "executing program\n", 18 <unfinished ...>
[pid  5931] <... write resumed>)        = 18
[pid  5932] <... write resumed>)        = 18
[pid  5932] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5931] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5932] <... openat resumed>)       = 3
[pid  5932] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5931] <... openat resumed>)       = 3
[pid  5932] <... openat resumed>)       = 4
[pid  5932] sendfile(4, 3, [100] <unfinished ...>
[pid  5931] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5931] sendfile(4, 3, [100] <unfinished ...>
[pid  5928] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5933
./strace-static-x86_64: Process 5933 attached
[pid  5933] set_robust_list(0x55557af31660, 24) = 0
[pid  5933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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
[pid  5933] write(1, "executing program\n", 18executing program
) = 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  5931] <... sendfile resumed> => [671], 571) = 571
[pid  5931] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5932] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5931] <... memfd_create resumed>) = 5
[pid  5932] <... memfd_create resumed>) = 5
[pid  5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5931] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5933] <... sendfile resumed> => [671], 571) = 571
[pid  5932] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5933] memfd_create("syzkaller", 0) = 5
[pid  5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   86.025300][ T5932] syz-executor250 (5932): drop_caches: 2
[   86.040139][ T5931] syz-executor250 (5931): drop_caches: 2
[   86.046107][ T5932] syz-executor250 (5932): drop_caches: 2
[   86.049906][ T5933] syz-executor250 (5933): drop_caches: 2
[   86.058454][ T5931] syz-executor250 (5931): drop_caches: 2
[   86.068663][ T5933] syz-executor250 (5933): drop_caches: 2
[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 ...>
[pid  5929] <... write resumed>)        = 16777216
[pid  5929] munmap(0x7f0ef3200000, 138412032) = 0
[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  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] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5929] close(5 <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  5930] <... write resumed>)        = 16777216
[pid  5930] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5930] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5930] close(5 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5929] exit_group(0)               = ?
[pid  5929] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5934
./strace-static-x86_64: Process 5934 attached
[pid  5934] set_robust_list(0x55557af31660, 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] <unfinished ...>
[pid  5933] <... write resumed>)        = 16777216
[pid  5934] <... sendfile resumed> => [671], 571) = 571
[pid  5933] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5932] <... write resumed>)        = 16777216
[pid  5931] <... write resumed>)        = 16777216
[pid  5934] memfd_create("syzkaller", 0) = 5
[pid  5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5932] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5931] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5933] <... munmap resumed>)       = 0
[pid  5933] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[   86.443835][ T5934] syz-executor250 (5934): drop_caches: 2
[   86.457280][ T5934] syz-executor250 (5934): drop_caches: 2
[pid  5933] close(5 <unfinished ...>
[pid  5932] <... munmap resumed>)       = 0
[pid  5931] <... munmap resumed>)       = 0
[pid  5930] <... close resumed>)        = 0
[pid  5932] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5931] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5932] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5931] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5932] close(5 <unfinished ...>
[pid  5931] close(5 <unfinished ...>
[pid  5930] exit_group(0)               = ?
[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=15 /* 0.15 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5935
./strace-static-x86_64: Process 5935 attached
[pid  5935] set_robust_list(0x55557af31660, 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) = 3
[pid  5935] write(3, "1000", 4)         = 4
[pid  5935] close(3)                    = 0
[pid  5935] write(1, "executing program\n", 18executing program
) = 18
[pid  5935] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5935] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5935] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5933] <... close resumed>)        = 0
[pid  5935] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5933] exit_group(0)               = ?
[pid  5933] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5935] <... memfd_create resumed>) = 5
[pid  5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5936
./strace-static-x86_64: Process 5936 attached
[pid  5936] set_robust_list(0x55557af31660, 24) = 0
[pid  5936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5936] setpgid(0, 0)               = 0
[pid  5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5936] write(3, "1000", 4)         = 4
[pid  5936] close(3)                    = 0
executing program
[pid  5936] write(1, "executing program\n", 18 <unfinished ...>
[pid  5932] <... close resumed>)        = 0
[pid  5936] <... write resumed>)        = 18
[pid  5936] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5936] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   86.565709][ T5935] syz-executor250 (5935): drop_caches: 2
[   86.579507][ T5935] syz-executor250 (5935): drop_caches: 2
[pid  5936] sendfile(4, 3, [100] <unfinished ...>
[pid  5932] exit_group(0)               = ?
[pid  5932] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, 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 ...> <unfinished ...>
[pid  5931] <... close resumed>)        = 0
[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  5931] exit_group(0 <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5936] <... sendfile resumed> => [671], 571) = 571
[pid  5931] <... exit_group resumed>)   = ?
[pid  5931] +++ exited with 0 +++
[pid  5821] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5825] --- 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=19 /* 0.19 s */} ---
[pid  5936] memfd_create("syzkaller", 0 <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, child_tidptr=0x55557af31650) = 5937
[pid  5936] <... memfd_create resumed>) = 5
./strace-static-x86_64: Process 5937 attached
[pid  5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5936] <... mmap resumed>)         = 0x7f0ef3200000
[pid  5937] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5937] <... set_robust_list resumed>) = 0
[pid  5937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5937] setpgid(0, 0)               = 0
[   86.624776][ T5936] syz-executor250 (5936): drop_caches: 2
[   86.639677][ T5936] syz-executor250 (5936): drop_caches: 2
[pid  5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5937] write(3, "1000", 4)         = 4
[pid  5937] close(3)                    = 0
[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]./strace-static-x86_64: Process 5938 attached
 <unfinished ...>
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5938
[pid  5938] set_robust_list(0x55557af31660, 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", 4)         = 4
[pid  5938] close(3)                    = 0
executing program
[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] <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  5938] <... sendfile resumed> => [671], 571) = 571
[pid  5937] <... sendfile resumed> => [671], 571) = 571
[pid  5937] memfd_create("syzkaller", 0) = 5
[pid  5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5938] memfd_create("syzkaller", 0) = 5
[pid  5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   86.692160][ T5937] syz-executor250 (5937): drop_caches: 2
[   86.698052][ T5937] syz-executor250 (5937): drop_caches: 2
[   86.711925][ T5938] syz-executor250 (5938): drop_caches: 2
[   86.721385][ T5938] syz-executor250 (5938): drop_caches: 2
[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  5934] <... write resumed>)        = 16777216
[pid  5934] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5934] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5934] close(5 <unfinished ...>
[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(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5934] <... close resumed>)        = 0
[pid  5936] <... munmap resumed>)       = 0
[pid  5936] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5935] <... write resumed>)        = 16777216
[pid  5934] exit_group(0)               = ?
[pid  5934] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=17 /* 0.17 s */} ---
[pid  5820] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5936] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5935] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5820] <... restart_syscall resumed>) = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program
) = -1 EBUSY (Device or resource busy)
[pid  5820] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557af31650) = 5939
./strace-static-x86_64: Process 5939 attached
[pid  5939] set_robust_list(0x55557af31660, 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
[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
[pid  5939] sendfile(4, 3, [100] <unfinished ...>
[pid  5936] close(5 <unfinished ...>
[pid  5935] <... munmap resumed>)       = 0
[pid  5939] <... sendfile resumed> => [671], 571) = 571
[pid  5939] memfd_create("syzkaller", 0) = 5
[pid  5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5935] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   86.984481][ T5939] syz-executor250 (5939): drop_caches: 2
[   86.990827][ T5939] syz-executor250 (5939): drop_caches: 2
[pid  5935] close(5 <unfinished ...>
[pid  5936] <... close resumed>)        = 0
[pid  5937] <... write resumed>)        = 16777216
[pid  5935] <... close resumed>)        = 0
[pid  5936] exit_group(0)               = ?
[pid  5937] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5936] +++ exited with 0 +++
[pid  5938] <... write resumed>)        = 16777216
[pid  5937] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5935] exit_group(0)               = ?
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} ---
[pid  5938] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5935] +++ exited with 0 +++
[pid  5822] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[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  5822] <... restart_syscall resumed>) = 0
[pid  5937] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5937] close(5 <unfinished ...>
[pid  5822] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5938] <... munmap resumed>)       = 0
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5940 attached
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5940
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5941
./strace-static-x86_64: Process 5941 attached
[pid  5941] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5940] set_robust_list(0x55557af31660, 24) = 0
[pid  5941] <... set_robust_list resumed>) = 0
[pid  5941] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5940] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5941] <... prctl resumed>)        = 0
[pid  5941] setpgid(0, 0 <unfinished ...>
[pid  5940] <... prctl resumed>)        = 0
[pid  5941] <... setpgid resumed>)      = 0
[pid  5940] setpgid(0, 0 <unfinished ...>
executing program
executing program
[pid  5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5940] <... setpgid resumed>)      = 0
[pid  5941] <... openat resumed>)       = 3
[pid  5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5941] write(3, "1000", 4 <unfinished ...>
[pid  5940] <... openat resumed>)       = 3
[pid  5941] <... write resumed>)        = 4
[pid  5940] write(3, "1000", 4 <unfinished ...>
[pid  5941] close(3 <unfinished ...>
[pid  5940] <... write resumed>)        = 4
[pid  5941] <... close resumed>)        = 0
[pid  5940] close(3 <unfinished ...>
[pid  5941] write(1, "executing program\n", 18 <unfinished ...>
[pid  5940] <... close resumed>)        = 0
[pid  5941] <... write resumed>)        = 18
[pid  5940] write(1, "executing program\n", 18 <unfinished ...>
[pid  5941] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5940] <... write resumed>)        = 18
[pid  5938] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5941] <... openat resumed>)       = 3
[pid  5940] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5938] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5938] close(5 <unfinished ...>
[pid  5941] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5940] <... openat resumed>)       = 3
[pid  5941] <... openat resumed>)       = 4
[pid  5941] sendfile(4, 3, [100] <unfinished ...>
[pid  5940] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5940] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5940] memfd_create("syzkaller", 0) = 5
[pid  5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5941] <... sendfile resumed> => [671], 571) = 571
[pid  5941] memfd_create("syzkaller", 0) = 5
[pid  5941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   87.210210][ T5941] syz-executor250 (5941): drop_caches: 2
[   87.216510][ T5940] syz-executor250 (5940): drop_caches: 2
[   87.222926][ T5941] syz-executor250 (5941): drop_caches: 2
[   87.228953][ T5940] syz-executor250 (5940): drop_caches: 2
[pid  5937] <... close resumed>)        = 0
[pid  5937] exit_group(0)               = ?
[pid  5937] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5938] <... close resumed>)        = 0
[pid  5821] 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./strace-static-x86_64: Process 5942 attached
 <unfinished ...>
[pid  5938] exit_group(0 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x55557af31650) = 5942
[pid  5942] set_robust_list(0x55557af31660, 24) = 0
[pid  5938] <... exit_group resumed>)   = ?
[pid  5939] <... write resumed>)        = 16777216
[pid  5938] +++ exited with 0 +++
[pid  5942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5825] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5825] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5939] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5942] setpgid(0, 0)               = 0
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5942] <... openat resumed>)       = 3
[pid  5825] <... clone resumed>, child_tidptr=0x55557af31650) = 5943
./strace-static-x86_64: Process 5943 attached
[pid  5942] write(3, "1000", 4 <unfinished ...>
[pid  5943] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5942] <... write resumed>)        = 4
[pid  5943] <... set_robust_list resumed>) = 0
[pid  5942] close(3 <unfinished ...>
[pid  5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5942] <... close resumed>)        = 0
[pid  5943] setpgid(0, 0 <unfinished ...>
[pid  5942] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5943] <... setpgid resumed>)      = 0
[pid  5942] <... write resumed>)        = 18
[pid  5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5942] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5939] <... munmap resumed>)       = 0
[pid  5943] <... openat resumed>)       = 3
[pid  5942] <... openat resumed>)       = 3
[pid  5943] write(3, "1000", 4 <unfinished ...>
[pid  5942] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5943] <... write resumed>)        = 4
[pid  5943] close(3 <unfinished ...>
[pid  5942] <... openat resumed>)       = 4
[pid  5943] <... close resumed>)        = 0
[pid  5942] sendfile(4, 3, [100] <unfinished ...>
[pid  5943] write(1, "executing program\n", 18executing program
) = 18
[pid  5939] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5943] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5939] close(5 <unfinished ...>
[pid  5943] <... openat resumed>)       = 3
[pid  5943] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5943] sendfile(4, 3, [100] <unfinished ...>
[pid  5942] <... sendfile resumed> => [671], 571) = 571
[pid  5942] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5943] <... sendfile resumed> => [671], 571) = 571
[pid  5942] <... memfd_create resumed>) = 5
[pid  5942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5943] memfd_create("syzkaller", 0) = 5
[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  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  5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[   87.344557][ T5942] syz-executor250 (5942): drop_caches: 2
[   87.354241][ T5942] syz-executor250 (5942): drop_caches: 2
[   87.370134][ T5943] syz-executor250 (5943): drop_caches: 2
[   87.379655][ T5943] syz-executor250 (5943): drop_caches: 2
[pid  5939] <... close resumed>)        = 0
[pid  5939] exit_group(0)               = ?
[pid  5939] +++ exited with 0 +++
[pid  5820] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, 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/loop1", 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 5944 attached
, child_tidptr=0x55557af31650) = 5944
[pid  5944] set_robust_list(0x55557af31660, 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] => [671], 571) = 571
[pid  5944] memfd_create("syzkaller", 0) = 5
[pid  5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5940] <... write resumed>)        = 16777216
[   87.498899][ T5944] syz-executor250 (5944): drop_caches: 2
[   87.517056][ T5944] syz-executor250 (5944): drop_caches: 2
[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] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5940] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5940] close(5 <unfinished ...>
[pid  5941] <... write resumed>)        = 16777216
[pid  5941] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[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] <... munmap resumed>)       = 0
[pid  5941] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5941] close(5 <unfinished ...>
[pid  5944] 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] <... close resumed>)        = 0
[pid  5941] exit_group(0)               = ?
[pid  5941] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5940] <... close resumed>)        = 0
[pid  5940] exit_group(0 <unfinished ...>
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5940] <... exit_group resumed>)   = ?
[pid  5940] +++ exited with 0 +++
[pid  5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5822] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5945 attached
) = -1 EBUSY (Device or resource busy)
[pid  5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x55557af31650) = 5945
[pid  5945] set_robust_list(0x55557af31660, 24./strace-static-x86_64: Process 5946 attached
) = 0
[pid  5946] set_robust_list(0x55557af31660, 24 <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55557af31650) = 5946
[pid  5945] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5946] <... set_robust_list resumed>) = 0
[pid  5945] <... prctl resumed>)        = 0
[pid  5945] setpgid(0, 0 <unfinished ...>
[pid  5946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5945] <... setpgid resumed>)      = 0
[pid  5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5946] setpgid(0, 0)               = 0
[pid  5945] <... openat resumed>)       = 3
[pid  5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5945] write(3, "1000", 4)         = 4
[pid  5946] <... openat resumed>)       = 3
[pid  5946] write(3, "1000", 4 <unfinished ...>
[pid  5945] close(3 <unfinished ...>
[pid  5946] <... write resumed>)        = 4
[pid  5945] <... close resumed>)        = 0
[pid  5946] close(3 <unfinished ...>
executing program
[pid  5945] write(1, "executing program\n", 18 <unfinished ...>
[pid  5946] <... close resumed>)        = 0
[pid  5945] <... write resumed>)        = 18
[pid  5945] openat(AT_FDCWD, "/proc/partitions", O_RDONLYexecuting program
 <unfinished ...>
[pid  5946] write(1, "executing program\n", 18) = 18
[pid  5945] <... openat resumed>)       = 3
[pid  5946] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5945] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5946] <... openat resumed>)       = 3
[pid  5945] sendfile(4, 3, [100] <unfinished ...>
[pid  5946] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5946] sendfile(4, 3, [100] <unfinished ...>
[pid  5945] <... sendfile resumed> => [671], 571) = 571
[pid  5942] <... write resumed>)        = 16777216
[pid  5945] memfd_create("syzkaller", 0) = 5
[pid  5946] <... sendfile resumed> => [671], 571) = 571
[pid  5945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5942] munmap(0x7f0ef3200000, 138412032) = 0
[pid  5946] memfd_create("syzkaller", 0) = 5
[pid  5946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0ef3200000
[pid  5942] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[   87.774123][ T5945] syz-executor250 (5945): drop_caches: 2
[   87.781038][ T5945] syz-executor250 (5945): drop_caches: 2
[   87.787622][ T5946] syz-executor250 (5946): drop_caches: 2
[   87.799504][ T5946] syz-executor250 (5946): drop_caches: 2
[pid  5942] close(5 <unfinished ...>
[pid  5944] <... write resumed>)        = 16777216
[pid  5943] <... write resumed>)        = 16777216
[pid  5944] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5943] munmap(0x7f0ef3200000, 138412032 <unfinished ...>
[pid  5944] <... munmap resumed>)       = 0
[pid  5944] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5943] <... munmap resumed>)       = 0
[pid  5944] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5944] close(5 <unfinished ...>
[pid  5943] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5943] close(5 <unfinished ...>
[pid  5942] <... close resumed>)        = 0
[pid  5942] exit_group(0)               = ?
[pid  5942] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} ---
[pid  5821] 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, child_tidptr=0x55557af31650) = 5947
./strace-static-x86_64: Process 5947 attached
[pid  5947] set_robust_list(0x55557af31660, 24) = 0
[pid  5947] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5946] 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  5947] <... prctl resumed>)        = 0
[pid  5947] setpgid(0, 0)               = 0
[pid  5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5947] write(3, "1000", 4)         = 4
[pid  5947] close(3)                    = 0
[pid  5947] write(1, "executing program\n", 18executing program
) = 18
[pid  5947] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5947] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4