./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1706917802

<...>
Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts.
execve("./syz-executor1706917802", ["./syz-executor1706917802"], 0x7ffdb34e8430 /* 10 vars */) = 0
brk(NULL)                               = 0x555583185000
brk(0x555583185d00)                     = 0x555583185d00
arch_prctl(ARCH_SET_FS, 0x555583185380) = 0
set_tid_address(0x555583185650)         = 5816
set_robust_list(0x555583185660, 24)     = 0
rseq(0x555583185ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1706917802", 4096) = 28
getrandom("\xe3\xf6\x43\x5b\xec\x64\x14\x5a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555583185d00
brk(0x5555831a6d00)                     = 0x5555831a6d00
brk(0x5555831a7000)                     = 0x5555831a7000
mprotect(0x7f712c7dc000, 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, child_tidptr=0x555583185650) = 5817
./strace-static-x86_64: Process 5817 attached
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5817] set_robust_list(0x555583185660, 24) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5818 attached
 <unfinished ...>
[pid  5816] <... clone resumed>, child_tidptr=0x555583185650) = 5818
[pid  5818] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5817] <... openat resumed>)       = 3
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] <... set_robust_list resumed>) = 0
[pid  5817] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5817] close(3./strace-static-x86_64: Process 5819 attached
 <unfinished ...>
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5819] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5818] <... openat resumed>)       = 3
[pid  5816] <... clone resumed>, child_tidptr=0x555583185650) = 5819
[pid  5819] <... set_robust_list resumed>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5818] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5817] <... close resumed>)        = 0
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5820 attached
 <unfinished ...>
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5819] <... openat resumed>)       = 3
[pid  5818] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5820] set_robust_list(0x555583185660, 24./strace-static-x86_64: Process 5821 attached
 <unfinished ...>
[pid  5819] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5818] close(3 <unfinished ...>
[pid  5820] <... set_robust_list resumed>) = 0
[pid  5820] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5819] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5818] <... close resumed>)        = 0
[pid  5817] <... clone resumed>, child_tidptr=0x555583185650) = 5820
[pid  5820] <... prctl resumed>)        = 0
[pid  5820] setpgid(0, 0)               = 0
[pid  5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5820] write(3, "1000", 4 <unfinished ...>
[pid  5816] <... clone resumed>, child_tidptr=0x555583185650) = 5821
[pid  5821] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5820] <... write resumed>)        = 4
[pid  5819] close(3 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... set_robust_list resumed>) = 0
[pid  5820] close(3 <unfinished ...>
[pid  5816] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5820] <... close resumed>)        = 0
[pid  5819] <... close resumed>)        = 0
./strace-static-x86_64: Process 5823 attached
[pid  5823] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5821] <... openat resumed>)       = 3
executing program
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x555583185650) = 5823
[pid  5821] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5823] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5824 attached
[pid  5823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5820] write(1, "executing program\n", 18 <unfinished ...>
[pid  5823] <... prctl resumed>)        = 0
[pid  5820] <... write resumed>)        = 18
./strace-static-x86_64: Process 5825 attached
[pid  5816] <... clone resumed>, child_tidptr=0x555583185650) = 5824
[pid  5824] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5823] setpgid(0, 0 <unfinished ...>
[pid  5821] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5820] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5825] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5824] <... set_robust_list resumed>) = 0
[pid  5823] <... setpgid resumed>)      = 0
[pid  5821] close(3 <unfinished ...>
[pid  5820] <... openat resumed>)       = 3
[pid  5825] <... set_robust_list resumed>) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5820] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x555583185650) = 5825
[pid  5825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5821] <... close resumed>)        = 0
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5825] <... prctl resumed>)        = 0
[pid  5820] <... openat resumed>)       = 4
./strace-static-x86_64: Process 5826 attached
[pid  5825] setpgid(0, 0 <unfinished ...>
[pid  5824] <... openat resumed>)       = 3
[pid  5823] <... openat resumed>)       = 3
[pid  5826] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5825] <... setpgid resumed>)      = 0
[pid  5820] sendfile(4, 3, [100] <unfinished ...>
[pid  5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5825] <... openat resumed>)       = 3
[pid  5824] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5826] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5825] write(3, "1000", 4 <unfinished ...>
[pid  5823] write(3, "1000", 4 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5826
[pid  5824] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5823] <... write resumed>)        = 4
[pid  5826] <... prctl resumed>)        = 0
[pid  5824] close(3 <unfinished ...>
[pid  5825] <... write resumed>)        = 4
[pid  5824] <... close resumed>)        = 0
[pid  5826] setpgid(0, 0 <unfinished ...>
[pid  5825] close(3 <unfinished ...>
[pid  5823] close(3 <unfinished ...>
[pid  5825] <... close resumed>)        = 0
[pid  5826] <... setpgid resumed>)      = 0
[pid  5825] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5823] <... close resumed>)        = 0
[pid  5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5825] <... write resumed>)        = 18
[pid  5826] <... openat resumed>)       = 3
[pid  5825] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5823] write(1, "executing program\n", 18 <unfinished ...>
[pid  5826] write(3, "1000", 4 <unfinished ...>
[pid  5825] <... openat resumed>)       = 3
executing program
./strace-static-x86_64: Process 5827 attached
[pid  5826] <... write resumed>)        = 4
[pid  5825] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5823] <... write resumed>)        = 18
[pid  5826] close(3 <unfinished ...>
[pid  5825] <... openat resumed>)       = 4
[pid  5825] sendfile(4, 3, [100] <unfinished ...>
[pid  5826] <... close resumed>)        = 0
[pid  5823] openat(AT_FDCWD, "/proc/partitions", O_RDONLYexecuting program
 <unfinished ...>
[pid  5826] write(1, "executing program\n", 18 <unfinished ...>
[pid  5823] <... openat resumed>)       = 3
[pid  5827] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5826] <... write resumed>)        = 18
[pid  5824] <... clone resumed>, child_tidptr=0x555583185650) = 5827
[pid  5823] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5827] <... set_robust_list resumed>) = 0
[pid  5826] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5823] <... openat resumed>)       = 4
[pid  5827] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5826] <... openat resumed>)       = 3
[pid  5823] sendfile(4, 3, [100] <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5827] <... prctl resumed>)        = 0
[pid  5827] setpgid(0, 0 <unfinished ...>
[pid  5826] <... openat resumed>)       = 4
[pid  5827] <... setpgid resumed>)      = 0
[pid  5826] sendfile(4, 3, [100] <unfinished ...>
[pid  5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5827] write(3, "1000", 4)         = 4
[pid  5827] close(3)                    = 0
executing program
[pid  5827] write(1, "executing program\n", 18) = 18
[pid  5827] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5827] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5827] sendfile(4, 3, [100] <unfinished ...>
[pid  5825] <... sendfile resumed> => [640], 571) = 540
[   61.878036][ T5825] syz-executor170 (5825): drop_caches: 2
[   61.916835][ T5825] syz-executor170 (5825): drop_caches: 2
[pid  5825] memfd_create("syzkaller", 0) = 5
[pid  5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   61.961439][ T5826] syz-executor170 (5826): drop_caches: 2
[   61.971285][ T5827] syz-executor170 (5827): drop_caches: 2
[   61.982188][ T5820] syz-executor170 (5820): drop_caches: 2
[   61.998835][ T5826] syz-executor170 (5826): drop_caches: 2
[   62.004527][ T5827] syz-executor170 (5827): drop_caches: 2
[pid  5827] <... sendfile resumed> => [640], 571) = 540
[pid  5827] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5820] <... sendfile resumed> => [640], 571) = 540
[pid  5827] <... memfd_create resumed>) = 5
[pid  5820] memfd_create("syzkaller", 0) = 5
[pid  5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[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) = 0x7f7124200000
[pid  5823] <... sendfile resumed> => [640], 571) = 540
[pid  5823] memfd_create("syzkaller", 0) = 5
[pid  5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   62.010010][ T5823] syz-executor170 (5823): drop_caches: 2
[   62.012474][ T5820] syz-executor170 (5820): drop_caches: 2
[   62.044612][ T5823] syz-executor170 (5823): drop_caches: 2
[pid  5820] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5823] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5825] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5827] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5826] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5820] <... write resumed>)        = 33554432
[pid  5820] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5823] <... write resumed>)        = 33554432
[pid  5823] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5820] <... munmap resumed>)       = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid  5820] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5825] <... write resumed>)        = 33554432
[pid  5820] <... ioctl resumed>)        = 0
[pid  5820] close(5)                    = 0
[pid  5820] close(6)                    = 0
[pid  5820] mkdir("./file0", 0777)      = 0
[pid  5820] mount("/dev/loop0", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5825] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5823] <... munmap resumed>)       = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid  5823] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5827] <... write resumed>)        = 33554432
[   63.407948][ T5820] loop0: detected capacity change from 0 to 65536
[pid  5827] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5823] <... ioctl resumed>)        = 0
[pid  5823] close(5)                    = 0
[pid  5823] close(6)                    = 0
[pid  5823] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   63.472487][ T5823] loop1: detected capacity change from 0 to 65536
[pid  5823] mount("/dev/loop1", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5825] <... munmap resumed>)       = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6
[pid  5825] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5826] <... write resumed>)        = 33554432
[pid  5827] <... munmap resumed>)       = 0
[pid  5826] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5827] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid  5827] ioctl(6, LOOP_SET_FD, 5)    = 0
[pid  5825] <... ioctl resumed>)        = 0
[pid  5825] close(5)                    = 0
[pid  5825] close(6)                    = 0
[   63.518487][ T5820] XFS (loop0): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   63.545267][ T5825] loop2: detected capacity change from 0 to 65536
[   63.554754][ T5827] loop4: detected capacity change from 0 to 65536
[pid  5827] close(5 <unfinished ...>
[pid  5826] <... munmap resumed>)       = 0
[pid  5827] <... close resumed>)        = 0
[pid  5826] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5825] mkdir("./file0", 0777 <unfinished ...>
[pid  5827] close(6 <unfinished ...>
[pid  5826] <... openat resumed>)       = 6
[pid  5825] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5827] <... close resumed>)        = 0
[pid  5826] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5827] mkdir("./file0", 0777 <unfinished ...>
[pid  5825] mount("/dev/loop2", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5827] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5826] <... ioctl resumed>)        = 0
[pid  5827] mount("/dev/loop4", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5826] close(5)                    = 0
[pid  5826] close(6)                    = 0
[pid  5826] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   63.565678][ T5823] XFS (loop1): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   63.578753][ T5826] loop3: detected capacity change from 0 to 65536
[   63.631272][ T5825] XFS (loop2): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   63.657157][ T5820] XFS (loop0): Ending clean mount
[   63.658948][ T5827] XFS (loop4): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   63.671223][ T5820] XFS (loop0): Quotacheck needed: Please wait.
[   63.688719][ T5826] XFS (loop3): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   63.711358][ T5823] XFS (loop1): Ending clean mount
[pid  5826] mount("/dev/loop3", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5820] <... mount resumed>)        = 0
[pid  5820] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid  5820] chdir("./file0")            = 0
[pid  5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   63.737795][ T5823] XFS (loop1): Quotacheck needed: Please wait.
[   63.752839][ T5820] XFS (loop0): Quotacheck: Done.
[   63.753354][ T5825] XFS (loop2): Ending clean mount
[   63.768739][ T5827] XFS (loop4): Ending clean mount
[pid  5820] exit_group(0)               = ?
[pid  5820] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=61 /* 0.61 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5870
./strace-static-x86_64: Process 5870 attached
[pid  5870] set_robust_list(0x555583185660, 24) = 0
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5870] setpgid(0, 0)               = 0
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5823] <... mount resumed>)        = 0
[pid  5870] write(3, "1000", 4)         = 4
[pid  5870] close(3executing program
)                    = 0
[pid  5823] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5870] write(1, "executing program\n", 18 <unfinished ...>
[pid  5823] <... openat resumed>)       = 5
[pid  5870] <... write resumed>)        = 18
[pid  5870] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5823] chdir("./file0" <unfinished ...>
[pid  5870] <... openat resumed>)       = 3
[pid  5823] <... chdir resumed>)        = 0
[   63.792224][ T5823] XFS (loop1): Quotacheck: Done.
[   63.795080][ T5826] XFS (loop3): Ending clean mount
[   63.798959][ T5827] XFS (loop4): Quotacheck needed: Please wait.
[   63.810259][ T5825] XFS (loop2): Quotacheck needed: Please wait.
[   63.812713][ T5826] XFS (loop3): Quotacheck needed: Please wait.
[pid  5870] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5823] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5870] sendfile(4, 3, [100] <unfinished ...>
[pid  5823] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5823] exit_group(0)               = ?
[pid  5827] <... mount resumed>)        = 0
[pid  5823] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=71 /* 0.71 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid  5827] chdir("./file0")            = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5827] exit_group(0)               = ?
[pid  5827] +++ exited with 0 +++
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=62 /* 0.62 s */} ---
[pid  5826] <... mount resumed>)        = 0
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5826] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5826] <... openat resumed>)       = 5
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached
 <unfinished ...>
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5872] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5826] chdir("./file0" <unfinished ...>
[pid  5824] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5818] <... clone resumed>, child_tidptr=0x555583185650) = 5872
[pid  5872] <... set_robust_list resumed>) = 0
[pid  5826] <... chdir resumed>)        = 0
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5826] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5873] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5872] <... prctl resumed>)        = 0
[pid  5826] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5824] <... clone resumed>, child_tidptr=0x555583185650) = 5873
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5872] setpgid(0, 0 <unfinished ...>
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] <... setpgid resumed>)      = 0
[pid  5873] <... prctl resumed>)        = 0
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5826] exit_group(0 <unfinished ...>
[pid  5873] setpgid(0, 0 <unfinished ...>
[pid  5872] <... openat resumed>)       = 3
[pid  5873] <... setpgid resumed>)      = 0
[pid  5872] write(3, "1000", 4 <unfinished ...>
[pid  5826] <... exit_group resumed>)   = ?
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5872] <... write resumed>)        = 4
[pid  5872] close(3 <unfinished ...>
[pid  5826] +++ exited with 0 +++
[pid  5873] <... openat resumed>)       = 3
[pid  5872] <... close resumed>)        = 0
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} ---
executing program
[pid  5872] write(1, "executing program\n", 18 <unfinished ...>
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5873] write(3, "1000", 4 <unfinished ...>
[pid  5872] <... write resumed>)        = 18
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5873] <... write resumed>)        = 4
[pid  5872] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5873] close(3 <unfinished ...>
[pid  5872] <... openat resumed>)       = 3
[pid  5873] <... close resumed>)        = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5873] write(1, "executing program\n", 18 <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
executing program
[pid  5873] <... write resumed>)        = 18
[pid  5872] <... openat resumed>)       = 4
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
 <unfinished ...>
[pid  5873] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5872] sendfile(4, 3, [100] <unfinished ...>
[pid  5874] set_robust_list(0x555583185660, 24 <unfinished ...>
[   63.852250][ T5827] XFS (loop4): Quotacheck: Done.
[   63.866463][ T5826] XFS (loop3): Quotacheck: Done.
[   63.880854][ T5870] 
[   63.883228][ T5870] ======================================================
[   63.890267][ T5870] WARNING: possible circular locking dependency detected
[pid  5873] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5874
[pid  5874] <... set_robust_list resumed>) = 0
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[   63.897305][ T5870] 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 Not tainted
[   63.904504][ T5870] ------------------------------------------------------
[   63.911528][ T5870] syz-executor170/5870 is trying to acquire lock:
[   63.917922][ T5870] ffff888029848170 (&lp->qli_lock){+.+.}-{3:3}, at: xfs_dquot_detach_buf+0x2f/0x1b0
[   63.927425][ T5870] 
[   63.927425][ T5870] but task is already holding lock:
[   63.934781][ T5870] ffff888033aebe30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24c/0x4d0
[   63.944005][ T5870] 
[   63.944005][ T5870] which lock already depends on the new lock.
[   63.944005][ T5870] 
[   63.954484][ T5870] 
[   63.954484][ T5870] the existing dependency chain (in reverse order) is:
[   63.963489][ T5870] 
[   63.963489][ T5870] -> #3 (&l->lock){+.+.}-{3:3}:
[   63.970515][ T5870]        lock_acquire+0x1ed/0x550
[   63.975542][ T5870]        _raw_spin_lock+0x2e/0x40
[   63.980577][ T5870]        lock_list_lru_of_memcg+0x24c/0x4d0
[   63.986452][ T5870]        list_lru_add+0x59/0x270
[   63.991370][ T5870]        xfs_buf_rele+0x4ca/0x15b0
[   63.996465][ T5870]        xfs_imap_lookup+0x26a/0x750
[   64.001746][ T5870]        xfs_imap+0x54d/0x1090
[   64.006498][ T5870]        xfs_iget+0xaf6/0x2ec0
[   64.011246][ T5870]        xfs_mountfs+0x13df/0x2410
[   64.016346][ T5870]        xfs_fs_fill_super+0x12db/0x1590
[   64.021999][ T5870]        get_tree_bdev_flags+0x48c/0x5c0
[   64.027705][ T5870]        vfs_get_tree+0x90/0x2b0
[   64.032626][ T5870]        do_new_mount+0x2be/0xb40
[   64.037637][ T5870]        __se_sys_mount+0x2d6/0x3c0
[   64.042817][ T5870]        do_syscall_64+0xf3/0x230
[   64.047830][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.054240][ T5870] 
[   64.054240][ T5870] -> #2 (&bch->bc_lock){+.+.}-{3:3}:
[   64.061725][ T5870]        lock_acquire+0x1ed/0x550
[   64.066731][ T5870]        _raw_spin_lock+0x2e/0x40
[   64.071737][ T5870]        _atomic_dec_and_lock+0xb8/0x130
[   64.077353][ T5870]        xfs_buf_rele+0x178/0x15b0
[   64.082478][ T5870]        xfs_imap_lookup+0x26a/0x750
[   64.087742][ T5870]        xfs_imap+0x54d/0x1090
[   64.092482][ T5870]        xfs_iget+0xaf6/0x2ec0
[   64.097227][ T5870]        xfs_mountfs+0x13df/0x2410
[   64.102318][ T5870]        xfs_fs_fill_super+0x12db/0x1590
[   64.107947][ T5870]        get_tree_bdev_flags+0x48c/0x5c0
[   64.113562][ T5870]        vfs_get_tree+0x90/0x2b0
[   64.118494][ T5870]        do_new_mount+0x2be/0xb40
[   64.123500][ T5870]        __se_sys_mount+0x2d6/0x3c0
[   64.128705][ T5870]        do_syscall_64+0xf3/0x230
[   64.133725][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.140136][ T5870] 
[   64.140136][ T5870] -> #1 (&bp->b_lock){+.+.}-{3:3}:
[   64.147427][ T5870]        lock_acquire+0x1ed/0x550
[   64.152446][ T5870]        _raw_spin_lock+0x2e/0x40
[   64.157478][ T5870]        xfs_buf_rele+0x164/0x15b0
[   64.162576][ T5870]        xfs_dquot_attach_buf+0x33e/0x560
[   64.168294][ T5870]        xfs_qm_quotacheck_dqadjust+0x13f/0x5e0
[   64.174529][ T5870]        xfs_qm_dqusage_adjust+0x6a8/0x850
[   64.180328][ T5870]        xfs_iwalk_ag_recs+0x4e3/0x820
[   64.185770][ T5870]        xfs_iwalk_run_callbacks+0x218/0x470
[   64.191736][ T5870]        xfs_iwalk_ag+0xa9a/0xbb0
[   64.196755][ T5870]        xfs_iwalk_ag_work+0xfb/0x1b0
[   64.202111][ T5870]        xfs_pwork_work+0x7f/0x190
[   64.207213][ T5870]        process_scheduled_works+0xa66/0x1840
[   64.213266][ T5870]        worker_thread+0x870/0xd30
[   64.218355][ T5870]        kthread+0x2f0/0x390
[   64.222942][ T5870]        ret_from_fork+0x4b/0x80
[   64.227861][ T5870]        ret_from_fork_asm+0x1a/0x30
[   64.233143][ T5870] 
[   64.233143][ T5870] -> #0 (&lp->qli_lock){+.+.}-{3:3}:
[   64.240594][ T5870]        validate_chain+0x18ef/0x5920
[   64.245965][ T5870]        __lock_acquire+0x1397/0x2100
[   64.251343][ T5870]        lock_acquire+0x1ed/0x550
[   64.256376][ T5870]        _raw_spin_lock+0x2e/0x40
[   64.261394][ T5870]        xfs_dquot_detach_buf+0x2f/0x1b0
[   64.267016][ T5870]        xfs_qm_dquot_isolate+0x49d/0x1420
[   64.272840][ T5870]        __list_lru_walk_one+0x170/0x470
[   64.278479][ T5870]        list_lru_walk_one+0x3c/0x50
[   64.283747][ T5870]        xfs_qm_shrink_scan+0x1e1/0x400
[   64.289280][ T5870]        do_shrink_slab+0x72d/0x1160
[   64.294551][ T5870]        shrink_slab+0x1093/0x14d0
[   64.299652][ T5870]        drop_slab+0x142/0x280
[   64.304407][ T5870]        drop_caches_sysctl_handler+0xbc/0x160
[   64.310549][ T5870]        proc_sys_call_handler+0x5ec/0x920
[   64.316338][ T5870]        iter_file_splice_write+0xbfa/0x1510
[   64.322323][ T5870]        direct_splice_actor+0x11b/0x220
[   64.327938][ T5870]        splice_direct_to_actor+0x586/0xc80
[   64.333827][ T5870]        do_splice_direct+0x289/0x3e0
[   64.339186][ T5870]        do_sendfile+0x564/0x8a0
[   64.344105][ T5870]        __se_sys_sendfile64+0x100/0x1e0
[   64.349737][ T5870]        do_syscall_64+0xf3/0x230
[   64.354749][ T5870]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.361154][ T5870] 
[   64.361154][ T5870] other info that might help us debug this:
[   64.361154][ T5870] 
[   64.371450][ T5870] Chain exists of:
[   64.371450][ T5870]   &lp->qli_lock --> &bch->bc_lock --> &l->lock
[   64.371450][ T5870] 
[   64.383533][ T5870]  Possible unsafe locking scenario:
[   64.383533][ T5870] 
[   64.390990][ T5870]        CPU0                    CPU1
[   64.396336][ T5870]        ----                    ----
[   64.401680][ T5870]   lock(&l->lock);
[   64.405470][ T5870]                                lock(&bch->bc_lock);
[   64.412212][ T5870]                                lock(&l->lock);
[   64.418520][ T5870]   lock(&lp->qli_lock);
[   64.422745][ T5870] 
[   64.422745][ T5870]  *** DEADLOCK ***
[   64.422745][ T5870] 
[   64.430874][ T5870] 3 locks held by syz-executor170/5870:
[   64.436398][ T5870]  #0: ffff888030e86420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[   64.446082][ T5870]  #1: ffff888033aebe30 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24c/0x4d0
[   64.455739][ T5870]  #2: ffff888029848258 (&xfs_dquot_group_class){+.+.}-{4:4}, at: xfs_qm_dquot_isolate+0x8d/0x1420
[   64.466437][ T5870] 
[   64.466437][ T5870] stack backtrace:
[   64.472319][ T5870] CPU: 0 UID: 0 PID: 5870 Comm: syz-executor170 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
[   64.483419][ T5870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   64.493464][ T5870] Call Trace:
[   64.496732][ T5870]  <TASK>
[   64.499664][ T5870]  dump_stack_lvl+0x241/0x360
[   64.504335][ T5870]  ? __pfx_dump_stack_lvl+0x10/0x10
[   64.509542][ T5870]  ? __pfx__printk+0x10/0x10
[   64.514141][ T5870]  print_circular_bug+0x13a/0x1b0
[   64.519185][ T5870]  check_noncircular+0x36a/0x4a0
[   64.524122][ T5870]  ? __pfx_check_noncircular+0x10/0x10
[   64.529583][ T5870]  ? lockdep_lock+0x123/0x2b0
[   64.534248][ T5870]  ? validate_chain+0x15c0/0x5920
[   64.539268][ T5870]  validate_chain+0x18ef/0x5920
[   64.544110][ T5870]  ? __pfx_validate_chain+0x10/0x10
[   64.549305][ T5870]  ? arch_stack_walk+0xfd/0x150
[   64.554156][ T5870]  ? __lock_acquire+0x1397/0x2100
[   64.559176][ T5870]  ? mark_lock+0x9a/0x360
[   64.563492][ T5870]  __lock_acquire+0x1397/0x2100
[   64.568341][ T5870]  lock_acquire+0x1ed/0x550
[   64.572828][ T5870]  ? xfs_dquot_detach_buf+0x2f/0x1b0
[   64.578102][ T5870]  ? __pfx_lock_acquire+0x10/0x10
[   64.583115][ T5870]  ? _raw_spin_unlock_irqrestore+0x8f/0x140
[   64.588998][ T5870]  ? lockdep_hardirqs_on+0x99/0x150
[   64.594195][ T5870]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   64.600101][ T5870]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   64.606418][ T5870]  ? __pfx___mutex_trylock_common+0x10/0x10
[   64.612296][ T5870]  _raw_spin_lock+0x2e/0x40
[   64.616795][ T5870]  ? xfs_dquot_detach_buf+0x2f/0x1b0
[   64.622083][ T5870]  xfs_dquot_detach_buf+0x2f/0x1b0
[   64.627214][ T5870]  xfs_qm_dquot_isolate+0x49d/0x1420
[   64.632501][ T5870]  ? __lock_acquire+0x1397/0x2100
[   64.637522][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   64.643234][ T5870]  ? lock_list_lru_of_memcg+0x49d/0x4d0
[   64.648761][ T5870]  __list_lru_walk_one+0x170/0x470
[   64.653858][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   64.659566][ T5870]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   64.665269][ T5870]  list_lru_walk_one+0x3c/0x50
[   64.670011][ T5870]  xfs_qm_shrink_scan+0x1e1/0x400
[   64.675023][ T5870]  ? __pfx_xfs_qm_shrink_scan+0x10/0x10
[   64.680564][ T5870]  ? list_lru_count_one+0x29/0x2e0
[   64.685656][ T5870]  do_shrink_slab+0x72d/0x1160
[   64.690427][ T5870]  ? shrink_slab+0x12b/0x14d0
[   64.695097][ T5870]  shrink_slab+0x1093/0x14d0
[   64.699670][ T5870]  ? shrink_slab+0x12b/0x14d0
[   64.704329][ T5870]  ? __pfx_lock_release+0x10/0x10
[   64.709341][ T5870]  ? __pfx_shrink_slab+0x10/0x10
[   64.714271][ T5870]  ? mem_cgroup_iter+0x3d/0x420
[   64.719117][ T5870]  drop_slab+0x142/0x280
[   64.723358][ T5870]  drop_caches_sysctl_handler+0xbc/0x160
[   64.728987][ T5870]  ? __pfx_drop_caches_sysctl_handler+0x10/0x10
[   64.735656][ T5870]  proc_sys_call_handler+0x5ec/0x920
[   64.740947][ T5870]  ? __pfx_proc_sys_call_handler+0x10/0x10
[   64.746740][ T5870]  iter_file_splice_write+0xbfa/0x1510
[   64.752193][ T5870]  ? __pfx_iter_file_splice_write+0x10/0x10
[   64.758070][ T5870]  ? rcu_read_lock_any_held+0xb7/0x160
[   64.763514][ T5870]  ? __pfx_iter_file_splice_write+0x10/0x10
[   64.769395][ T5870]  direct_splice_actor+0x11b/0x220
[   64.774494][ T5870]  splice_direct_to_actor+0x586/0xc80
[   64.779858][ T5870]  ? __pfx_direct_splice_actor+0x10/0x10
[   64.785474][ T5870]  ? __pfx_splice_direct_to_actor+0x10/0x10
[   64.791350][ T5870]  ? __lock_acquire+0x1397/0x2100
[   64.796357][ T5870]  do_splice_direct+0x289/0x3e0
[   64.801194][ T5870]  ? __pfx_do_splice_direct+0x10/0x10
[   64.806546][ T5870]  ? __pfx_direct_file_splice_eof+0x10/0x10
[   64.812426][ T5870]  ? rw_verify_area+0x1c3/0x6f0
[   64.817263][ T5870]  do_sendfile+0x564/0x8a0
[   64.821666][ T5870]  ? __pfx_do_sendfile+0x10/0x10
[   64.826585][ T5870]  ? __might_fault+0xc6/0x120
[   64.831246][ T5870]  __se_sys_sendfile64+0x100/0x1e0
[   64.836342][ T5870]  ? __pfx___se_sys_sendfile64+0x10/0x10
[   64.841962][ T5870]  ? exc_page_fault+0x590/0x8b0
[   64.846814][ T5870]  do_syscall_64+0xf3/0x230
[   64.851304][ T5870]  ? clear_bhb_loop+0x35/0x90
[   64.855966][ T5870]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.861856][ T5870] RIP: 0033:0x7f712c75cec9
[   64.866258][ T5870] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   64.885846][ T5870] RSP: 002b:00007fff48ecb9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   64.894242][ T5870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f712c75cec9
[   64.902230][ T5870] RDX: 0000000020002080 RSI: 0000000000000003 RDI: 0000000000000004
[   64.910182][ T5870] RBP: 00000000000f4240 R08: 0000555583186378 R09: 0000555583186378
[   64.918137][ T5870] R10: 000000000000023b R11: 0000000000000246 R12: 000000000000efb4
[   64.926092][ T5870] R13: 00007fff48ecb9e0 R14: 00007fff48ecb9cc R15: 00007f712c7a603b
[   64.934051][ T5870]  </TASK>
[   64.938882][ T5873] syz-executor170 (5873): drop_caches: 2
[   64.939745][ T5870] syz-executor170 (5870): drop_caches: 2
[   64.945044][ T5873] syz-executor170 (5873): drop_caches: 2
[pid  5873] sendfile(4, 3, [100]executing program
 <unfinished ...>
[pid  5874] <... prctl resumed>)        = 0
[pid  5873] <... sendfile resumed> => [671], 571) = 571
[pid  5870] <... sendfile resumed> => [671], 571) = 571
[pid  5874] setpgid(0, 0 <unfinished ...>
[pid  5873] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] <... setpgid resumed>)      = 0
[pid  5873] <... memfd_create resumed>) = 5
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5874] <... openat resumed>)       = 3
[pid  5873] <... mmap resumed>)         = 0x7f7124200000
[pid  5874] write(3, "1000", 4)         = 4
[pid  5870] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] close(3)                    = 0
[pid  5874] write(1, "executing program\n", 18) = 18
[pid  5874] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5874] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5874] sendfile(4, 3, [100] <unfinished ...>
[pid  5870] <... memfd_create resumed>) = 5
[pid  5872] <... sendfile resumed> => [671], 571) = 571
[pid  5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5825] <... mount resumed>)        = 0
[pid  5870] <... mmap resumed>)         = 0x7f7124200000
[pid  5825] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid  5825] chdir("./file0" <unfinished ...>
[pid  5874] <... sendfile resumed> => [671], 571) = 571
[pid  5825] <... chdir resumed>)        = 0
[pid  5872] memfd_create("syzkaller", 0) = 5
[pid  5825] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5825] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5872] <... mmap resumed>)         = 0x7f7124200000
[pid  5825] exit_group(0 <unfinished ...>
[pid  5874] memfd_create("syzkaller", 0) = 5
[pid  5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5825] <... exit_group resumed>)   = ?
[pid  5825] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=55 /* 0.55 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[   64.950428][ T5870] syz-executor170 (5870): drop_caches: 2
[   64.962042][ T5872] syz-executor170 (5872): drop_caches: 2
[   64.968745][ T5825] XFS (loop2): Quotacheck: Done.
[   64.974817][ T5872] syz-executor170 (5872): drop_caches: 2
[   64.974931][ T5874] syz-executor170 (5874): drop_caches: 2
[   64.990233][ T5874] syz-executor170 (5874): drop_caches: 2
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555583185650) = 5875
./strace-static-x86_64: Process 5875 attached
[pid  5875] set_robust_list(0x555583185660, 24) = 0
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5875] setpgid(0, 0)               = 0
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5875] write(3, "1000", 4)         = 4
[pid  5875] close(3)                    = 0
[pid  5875] write(1, "executing program\n", 18) = 18
[pid  5875] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5875] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5875] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5875] memfd_create("syzkaller", 0) = 5
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   65.048620][ T5875] syz-executor170 (5875): drop_caches: 2
[   65.084691][ T5875] syz-executor170 (5875): drop_caches: 2
[pid  5870] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5873] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5874] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5872] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5875] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5873] <... write resumed>)        = 33554432
[pid  5873] munmap(0x7f7124200000, 138412032) = 0
[pid  5873] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5873] close(5 <unfinished ...>
[pid  5870] <... write resumed>)        = 33554432
[pid  5870] munmap(0x7f7124200000, 138412032) = 0
[pid  5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5870] close(5 <unfinished ...>
[pid  5874] <... write resumed>)        = 33554432
[pid  5874] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5875] <... write resumed>)        = 33554432
[pid  5874] <... munmap resumed>)       = 0
[pid  5872] <... write resumed>)        = 33554432
[pid  5875] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5872] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5874] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5872] <... munmap resumed>)       = 0
[pid  5874] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5874] close(5 <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5872] close(5 <unfinished ...>
[pid  5875] <... munmap resumed>)       = 0
[pid  5875] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] close(5 <unfinished ...>
[pid  5873] <... close resumed>)        = 0
[pid  5873] exit_group(0)               = ?
[pid  5873] +++ exited with 0 +++
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=31 /* 0.31 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached
, child_tidptr=0x555583185650) = 5876
[pid  5876] set_robust_list(0x555583185660, 24executing program
) = 0
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5876] setpgid(0, 0)               = 0
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5876] write(3, "1000", 4)         = 4
[pid  5876] close(3)                    = 0
[pid  5876] write(1, "executing program\n", 18) = 18
[pid  5876] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 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) = 0x7f7124200000
[pid  5870] <... close resumed>)        = 0
[pid  5870] exit_group(0)               = ?
[pid  5870] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=23 /* 0.23 s */, si_stime=34 /* 0.34 s */} ---
[   66.178401][ T5876] syz-executor170 (5876): drop_caches: 2
[   66.199546][ T5876] syz-executor170 (5876): drop_caches: 2
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5877
./strace-static-x86_64: Process 5877 attached
[pid  5877] set_robust_list(0x555583185660, 24) = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5877] write(3, "1000", 4)         = 4
[pid  5877] close(3executing program
)                    = 0
[pid  5877] write(1, "executing program\n", 18) = 18
[pid  5877] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5877] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5877] sendfile(4, 3, [100] <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5877] <... sendfile resumed> => [671], 571) = 571
[pid  5874] <... close resumed>)        = 0
[pid  5877] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5874] exit_group(0 <unfinished ...>
[pid  5872] exit_group(0 <unfinished ...>
[pid  5877] <... memfd_create resumed>) = 5
[pid  5874] <... exit_group resumed>)   = ?
[pid  5872] <... exit_group resumed>)   = ?
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5875] <... close resumed>)        = 0
[pid  5874] +++ exited with 0 +++
[pid  5872] +++ exited with 0 +++
[pid  5877] <... mmap resumed>)         = 0x7f7124200000
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=28 /* 0.28 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=140 /* 1.40 s */} ---
[pid  5875] exit_group(0 <unfinished ...>
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5875] <... exit_group resumed>)   = ?
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5875] +++ exited with 0 +++
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=38 /* 0.38 s */} ---
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5878
[pid  5819] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5878 attached
 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x555583185650) = 5879
./strace-static-x86_64: Process 5879 attached
[   66.267830][ T5877] syz-executor170 (5877): drop_caches: 2
[   66.283613][ T5877] syz-executor170 (5877): drop_caches: 2
[pid  5878] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5879] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5879] <... set_robust_list resumed>) = 0
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5878] <... prctl resumed>)        = 0
[pid  5878] setpgid(0, 0 <unfinished ...>
[pid  5819] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5878] <... setpgid resumed>)      = 0
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5879] <... prctl resumed>)        = 0
[pid  5878] <... openat resumed>)       = 3
[pid  5819] <... clone resumed>, child_tidptr=0x555583185650) = 5880
[pid  5878] write(3, "1000", 4)         = 4
[pid  5879] setpgid(0, 0 <unfinished ...>
[pid  5878] close(3)                    = 0
executing program
[pid  5878] write(1, "executing program\n", 18) = 18
[pid  5878] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5878] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5878] sendfile(4, 3, [100] <unfinished ...>
[pid  5879] <... setpgid resumed>)      = 0
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5878] <... sendfile resumed> => [671], 571) = 571
[pid  5878] memfd_create("syzkaller", 0) = 5
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
executing program
./strace-static-x86_64: Process 5880 attached
[pid  5879] <... openat resumed>)       = 3
[pid  5879] write(3, "1000", 4)         = 4
[pid  5879] close(3)                    = 0
[pid  5879] write(1, "executing program\n", 18) = 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  5880] set_robust_list(0x555583185660, 24) = 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) = 3
[pid  5880] write(3, "1000", 4)         = 4
[pid  5880] close(3)                    = 0
executing program
[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  5879] <... sendfile resumed> => [671], 571) = 571
[pid  5879] memfd_create("syzkaller", 0) = 5
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   66.338356][ T5878] syz-executor170 (5878): drop_caches: 2
[   66.344263][ T5878] syz-executor170 (5878): drop_caches: 2
[   66.356738][ T5879] syz-executor170 (5879): drop_caches: 2
[   66.375981][ T5879] syz-executor170 (5879): drop_caches: 2
[pid  5880] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5880] memfd_create("syzkaller", 0) = 5
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   66.405480][ T5880] syz-executor170 (5880): drop_caches: 2
[   66.411344][ T5880] syz-executor170 (5880): drop_caches: 2
[pid  5876] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5877] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5878] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5879] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5880] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5877] <... write resumed>)        = 33554432
[pid  5876] <... write resumed>)        = 33554432
[pid  5877] munmap(0x7f7124200000, 138412032) = 0
[pid  5876] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5876] <... munmap resumed>)       = 0
[pid  5877] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5877] close(5 <unfinished ...>
[pid  5876] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5876] close(5 <unfinished ...>
[pid  5878] <... write resumed>)        = 33554432
[pid  5878] munmap(0x7f7124200000, 138412032) = 0
[pid  5878] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5879] <... write resumed>)        = 33554432
[pid  5878] close(5 <unfinished ...>
[pid  5879] munmap(0x7f7124200000, 138412032) = 0
[pid  5879] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5879] close(5 <unfinished ...>
[pid  5880] <... write resumed>)        = 33554432
[pid  5880] munmap(0x7f7124200000, 138412032) = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5880] close(5 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5877] exit_group(0)               = ?
[pid  5877] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=31 /* 0.31 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached
, child_tidptr=0x555583185650) = 5881
[pid  5881] set_robust_list(0x555583185660, 24) = 0
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5881] setpgid(0, 0)               = 0
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5881] write(3, "1000", 4)         = 4
executing program
[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) = 0x7f7124200000
[pid  5876] <... close resumed>)        = 0
[   67.473920][ T5881] syz-executor170 (5881): drop_caches: 2
[   67.484414][ T5881] syz-executor170 (5881): drop_caches: 2
[pid  5876] exit_group(0)               = ?
[pid  5876] +++ exited with 0 +++
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=29 /* 0.29 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5882
./strace-static-x86_64: Process 5882 attached
[pid  5882] set_robust_list(0x555583185660, 24) = 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  5878] <... close resumed>)        = 0
[pid  5882] close(3 <unfinished ...>
[pid  5878] exit_group(0 <unfinished ...>
[pid  5882] <... close resumed>)        = 0
[pid  5878] <... exit_group resumed>)   = ?
[pid  5882] write(1, "executing program\n", 18executing program
) = 18
[pid  5878] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=30 /* 0.30 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5882] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5882] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5882] sendfile(4, 3, [100] <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5883
./strace-static-x86_64: Process 5883 attached
[pid  5883] set_robust_list(0x555583185660, 24) = 0
[pid  5882] <... sendfile resumed> => [671], 571) = 571
[pid  5879] <... close resumed>)        = 0
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5882] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5883] setpgid(0, 0 <unfinished ...>
[pid  5879] exit_group(0 <unfinished ...>
[pid  5883] <... setpgid resumed>)      = 0
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5882] <... memfd_create resumed>) = 5
[pid  5883] <... openat resumed>)       = 3
[pid  5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5879] <... exit_group resumed>)   = ?
[pid  5883] write(3, "1000", 4 <unfinished ...>
[pid  5879] +++ exited with 0 +++
[pid  5883] <... write resumed>)        = 4
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=36 /* 0.36 s */} ---
[pid  5883] close(3 <unfinished ...>
[pid  5882] <... mmap resumed>)         = 0x7f7124200000
[pid  5818] restart_syscall(<... resuming interrupted clone ...>executing program
executing program
 <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5884
./strace-static-x86_64: Process 5884 attached
[pid  5884] set_robust_list(0x555583185660, 24) = 0
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5884] setpgid(0, 0)               = 0
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5884] write(3, "1000", 4)         = 4
[pid  5884] close(3)                    = 0
[pid  5884] write(1, "executing program\n", 18) = 18
[pid  5884] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5884] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5884] sendfile(4, 3, [100] <unfinished ...>
[pid  5883] write(1, "executing program\n", 18) = 18
[pid  5883] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   67.606480][ T5882] syz-executor170 (5882): drop_caches: 2
[   67.612399][ T5882] syz-executor170 (5882): drop_caches: 2
[   67.634084][ T5884] syz-executor170 (5884): drop_caches: 2
[   67.642029][ T5884] syz-executor170 (5884): drop_caches: 2
[pid  5883] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
executing program
[pid  5883] sendfile(4, 3, [100] <unfinished ...>
[pid  5880] <... close resumed>)        = 0
[pid  5884] <... sendfile resumed> => [671], 571) = 571
[pid  5884] memfd_create("syzkaller", 0) = 5
[pid  5880] exit_group(0 <unfinished ...>
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5880] <... exit_group resumed>)   = ?
[pid  5884] <... mmap resumed>)         = 0x7f7124200000
[pid  5880] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=36 /* 0.36 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5883] <... sendfile resumed> => [671], 571) = 571
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5883] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5885 attached
, child_tidptr=0x555583185650) = 5885
[pid  5885] set_robust_list(0x555583185660, 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  5883] <... memfd_create resumed>) = 5
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[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
[   67.653326][ T5883] syz-executor170 (5883): drop_caches: 2
[   67.659941][ T5883] syz-executor170 (5883): drop_caches: 2
[pid  5885] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5885] memfd_create("syzkaller", 0) = 5
[pid  5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   67.716423][ T5885] syz-executor170 (5885): drop_caches: 2
[   67.744569][ T5885] syz-executor170 (5885): drop_caches: 2
[pid  5881] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5882] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5883] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5884] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5885] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5881] <... write resumed>)        = 33554432
[pid  5881] munmap(0x7f7124200000, 138412032) = 0
[pid  5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5881] close(5 <unfinished ...>
[pid  5882] <... write resumed>)        = 33554432
[pid  5882] munmap(0x7f7124200000, 138412032) = 0
[pid  5882] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5882] close(5 <unfinished ...>
[pid  5883] <... write resumed>)        = 33554432
[pid  5884] <... write resumed>)        = 33554432
[pid  5883] munmap(0x7f7124200000, 138412032) = 0
[pid  5884] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5883] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5883] close(5 <unfinished ...>
[pid  5884] <... munmap resumed>)       = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5884] close(5 <unfinished ...>
[pid  5885] <... write resumed>)        = 33554432
[pid  5885] munmap(0x7f7124200000, 138412032) = 0
[pid  5885] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5885] close(5 <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5881] exit_group(0)               = ?
[pid  5881] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=31 /* 0.31 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5886
./strace-static-x86_64: Process 5886 attached
[pid  5886] set_robust_list(0x555583185660, 24) = 0
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5886] setpgid(0, 0)               = 0
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] write(3, "1000", 4)         = 4
[pid  5886] close(3)                    = 0
[pid  5886] write(1, "executing program\n", 18executing program
) = 18
[pid  5886] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5882] <... close resumed>)        = 0
[pid  5886] <... openat resumed>)       = 3
[pid  5882] exit_group(0 <unfinished ...>
[pid  5886] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5882] <... exit_group resumed>)   = ?
[pid  5886] <... openat resumed>)       = 4
[pid  5882] +++ exited with 0 +++
[pid  5886] sendfile(4, 3, [100] <unfinished ...>
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=31 /* 0.31 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached
, child_tidptr=0x555583185650) = 5887
[pid  5887] set_robust_list(0x555583185660, 24) = 0
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5887] setpgid(0, 0)               = 0
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5887] write(3, "1000", 4)         = 4
[pid  5887] close(3)                    = 0
[pid  5887] write(1, "executing program\n", 18) = 18
[pid  5887] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5887] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5887] sendfile(4, 3, [100] <unfinished ...>
[pid  5886] <... sendfile resumed> => [671], 571) = 571
[pid  5886] memfd_create("syzkaller", 0) = 5
[pid  5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5887] <... sendfile resumed> => [671], 571) = 571
[pid  5887] memfd_create("syzkaller", 0) = 5
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   68.814628][ T5886] syz-executor170 (5886): drop_caches: 2
[   68.820819][ T5886] syz-executor170 (5886): drop_caches: 2
[   68.843134][ T5887] syz-executor170 (5887): drop_caches: 2
[   68.852825][ T5887] syz-executor170 (5887): drop_caches: 2
[pid  5883] <... close resumed>)        = 0
[pid  5883] exit_group(0)               = ?
[pid  5883] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=35 /* 0.35 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5888
./strace-static-x86_64: Process 5888 attached
[pid  5884] <... close resumed>)        = 0
[pid  5888] set_robust_list(0x555583185660, 24) = 0
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5884] exit_group(0 <unfinished ...>
[pid  5888] <... prctl resumed>)        = 0
[pid  5888] setpgid(0, 0)               = 0
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5884] <... exit_group resumed>)   = ?
executing program
[pid  5888] <... openat resumed>)       = 3
[pid  5888] write(3, "1000", 4)         = 4
[pid  5888] close(3)                    = 0
[pid  5888] write(1, "executing program\n", 18) = 18
[pid  5888] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5884] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=34 /* 0.34 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5888] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5888] sendfile(4, 3, [100] <unfinished ...>
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5889
./strace-static-x86_64: Process 5889 attached
[pid  5889] set_robust_list(0x555583185660, 24) = 0
[pid  5889] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5885] <... close resumed>)        = 0
[pid  5889] <... prctl resumed>)        = 0
[pid  5889] setpgid(0, 0)               = 0
executing program
executing program
[pid  5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5888] <... sendfile resumed> => [671], 571) = 571
[pid  5885] exit_group(0 <unfinished ...>
[pid  5889] <... openat resumed>)       = 3
[pid  5885] <... exit_group resumed>)   = ?
[pid  5888] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5889] write(3, "1000", 4)         = 4
[pid  5889] close(3)                    = 0
[pid  5889] write(1, "executing program\n", 18) = 18
[pid  5889] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5889] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5889] sendfile(4, 3, [100] <unfinished ...>
[pid  5885] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=28 /* 0.28 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5890
./strace-static-x86_64: Process 5890 attached
[pid  5890] set_robust_list(0x555583185660, 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 <unfinished ...>
[pid  5888] <... memfd_create resumed>) = 5
[pid  5889] <... sendfile resumed> => [671], 571) = 571
[   68.935967][ T5888] syz-executor170 (5888): drop_caches: 2
[   68.956884][ T5888] syz-executor170 (5888): drop_caches: 2
[   68.965883][ T5889] syz-executor170 (5889): drop_caches: 2
[   68.971726][ T5889] syz-executor170 (5889): drop_caches: 2
[pid  5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5890] <... openat resumed>)       = 4
[pid  5890] sendfile(4, 3, [100] <unfinished ...>
[pid  5889] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5890] <... sendfile resumed> => [671], 571) = 571
[pid  5889] <... memfd_create resumed>) = 5
[pid  5890] memfd_create("syzkaller", 0) = 5
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   68.993879][ T5890] syz-executor170 (5890): drop_caches: 2
[   69.004316][ T5890] syz-executor170 (5890): drop_caches: 2
[pid  5887] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5886] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5888] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5890] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5889] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5887] <... write resumed>)        = 33554432
[pid  5887] munmap(0x7f7124200000, 138412032) = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5887] close(5 <unfinished ...>
[pid  5886] <... write resumed>)        = 33554432
[pid  5886] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5888] <... write resumed>)        = 33554432
[pid  5886] <... munmap resumed>)       = 0
[pid  5888] munmap(0x7f7124200000, 138412032) = 0
[pid  5888] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5886] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5888] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5888] close(5 <unfinished ...>
[pid  5886] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5886] close(5 <unfinished ...>
[pid  5889] <... write resumed>)        = 33554432
[pid  5890] <... write resumed>)        = 33554432
[pid  5889] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5890] munmap(0x7f7124200000, 138412032) = 0
[pid  5887] <... close resumed>)        = 0
[pid  5890] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5889] <... munmap resumed>)       = 0
[pid  5890] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5889] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5887] exit_group(0 <unfinished ...>
[pid  5890] close(5 <unfinished ...>
[pid  5889] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5887] <... exit_group resumed>)   = ?
[pid  5889] close(5 <unfinished ...>
[pid  5887] +++ exited with 0 +++
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=40 /* 0.40 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5891
./strace-static-x86_64: Process 5891 attached
[pid  5891] set_robust_list(0x555583185660, 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  5886] <... close resumed>)        = 0
[pid  5891] write(3, "1000", 4)         = 4
[pid  5891] close(3)                    = 0
executing program
[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] <unfinished ...>
[pid  5886] exit_group(0)               = ?
[pid  5886] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=29 /* 0.29 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5892
[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./strace-static-x86_64: Process 5892 attached
 <unfinished ...>
[pid  5892] set_robust_list(0x555583185660, 24) = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5892] setpgid(0, 0)               = 0
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3)                    = 0
[pid  5892] write(1, "executing program\n", 18executing program
) = 18
[pid  5892] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5891] <... mmap resumed>)         = 0x7f7124200000
[pid  5892] <... openat resumed>)       = 3
[pid  5892] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   70.074428][ T5891] syz-executor170 (5891): drop_caches: 2
[   70.081702][ T5891] syz-executor170 (5891): drop_caches: 2
[pid  5892] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5892] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5892] <... memfd_create resumed>) = 5
[pid  5888] exit_group(0 <unfinished ...>
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5888] <... exit_group resumed>)   = ?
[pid  5888] +++ exited with 0 +++
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=32 /* 0.32 s */} ---
[pid  5821] openat(AT_FDCWD, "/dev/loop3", 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 5893 attached
 <unfinished ...>
[pid  5893] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5893
[pid  5893] <... set_robust_list resumed>) = 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(3)                    = 0
executing program
[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) = 4
[   70.135194][ T5892] syz-executor170 (5892): drop_caches: 2
[   70.141065][ T5892] syz-executor170 (5892): drop_caches: 2
[pid  5893] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5893] memfd_create("syzkaller", 0) = 5
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   70.178202][ T5893] syz-executor170 (5893): drop_caches: 2
[   70.195701][ T5893] syz-executor170 (5893): drop_caches: 2
[pid  5890] <... close resumed>)        = 0
[pid  5890] exit_group(0 <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5890] <... exit_group resumed>)   = ?
[pid  5890] +++ exited with 0 +++
[pid  5889] exit_group(0 <unfinished ...>
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=32 /* 0.32 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached
 <unfinished ...>
[pid  5889] <... exit_group resumed>)   = ?
[pid  5819] <... clone resumed>, child_tidptr=0x555583185650) = 5894
[pid  5889] +++ exited with 0 +++
[pid  5894] set_robust_list(0x555583185660, 24) = 0
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=31 /* 0.31 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5894] setpgid(0, 0)               = 0
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5894] write(3, "1000", 4)         = 4
[pid  5894] close(3)                    = 0
[pid  5894] write(1, "executing program\n", 18executing program
) = 18
[pid  5894] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5894] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5894] sendfile(4, 3, [100] <unfinished ...>
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5895
./strace-static-x86_64: Process 5895 attached
[pid  5895] set_robust_list(0x555583185660, 24) = 0
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5894] <... sendfile resumed> => [671], 571) = 571
[pid  5895] write(3, "1000", 4)         = 4
[pid  5895] close(3)                    = 0
[pid  5895] write(1, "executing program\n", 18executing program
) = 18
[pid  5895] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5894] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5895] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5894] <... memfd_create resumed>) = 5
[pid  5895] <... openat resumed>)       = 4
[pid  5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5895] sendfile(4, 3, [100] <unfinished ...>
[pid  5894] <... mmap resumed>)         = 0x7f7124200000
[   70.341478][ T5894] syz-executor170 (5894): drop_caches: 2
[   70.364597][ T5894] syz-executor170 (5894): drop_caches: 2
[pid  5895] <... sendfile resumed> => [671], 571) = 571
[pid  5895] memfd_create("syzkaller", 0) = 5
[pid  5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   70.394672][ T5895] syz-executor170 (5895): drop_caches: 2
[   70.400553][ T5895] syz-executor170 (5895): drop_caches: 2
[pid  5891] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5893] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5892] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5894] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5895] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5891] <... write resumed>)        = 33554432
[pid  5893] <... write resumed>)        = 33554432
[pid  5891] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5893] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5891] <... munmap resumed>)       = 0
[pid  5891] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5891] close(5 <unfinished ...>
[pid  5893] <... munmap resumed>)       = 0
[pid  5893] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5893] close(5 <unfinished ...>
[pid  5892] <... write resumed>)        = 33554432
[pid  5892] munmap(0x7f7124200000, 138412032) = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] close(5 <unfinished ...>
[pid  5895] <... write resumed>)        = 33554432
[pid  5895] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5891] <... close resumed>)        = 0
[pid  5893] <... close resumed>)        = 0
[pid  5895] <... munmap resumed>)       = 0
[pid  5894] <... write resumed>)        = 33554432
[pid  5891] exit_group(0 <unfinished ...>
[pid  5895] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5893] exit_group(0 <unfinished ...>
[pid  5895] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5894] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5891] <... exit_group resumed>)   = ?
[pid  5895] close(5 <unfinished ...>
[pid  5891] +++ exited with 0 +++
[pid  5893] <... exit_group resumed>)   = ?
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=36 /* 0.36 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5894] <... munmap resumed>)       = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached
 <unfinished ...>
[pid  5893] +++ exited with 0 +++
[pid  5824] <... clone resumed>, child_tidptr=0x555583185650) = 5896
[pid  5821] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=30 /* 0.30 s */} ---
[pid  5821] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5896] set_robust_list(0x555583185660, 24) = 0
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5896] setpgid(0, 0)               = 0
[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(3executing program
)                    = 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) = 4
[pid  5896] sendfile(4, 3, [100] <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", 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 5897 attached
 <unfinished ...>
[pid  5894] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5897] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5897
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5894] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5894] close(5 <unfinished ...>
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5897] setpgid(0, 0)               = 0
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5897] write(3, "1000", 4)         = 4
[pid  5897] close(3)                    = 0
executing program
[pid  5897] write(1, "executing program\n", 18) = 18
[pid  5897] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5897] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5897] sendfile(4, 3, [100] <unfinished ...>
[pid  5896] <... sendfile resumed> => [671], 571) = 571
[pid  5896] memfd_create("syzkaller", 0) = 5
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5897] <... sendfile resumed> => [671], 571) = 571
[pid  5892] <... close resumed>)        = 0
[pid  5897] memfd_create("syzkaller", 0) = 5
[pid  5892] exit_group(0 <unfinished ...>
[pid  5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5892] <... exit_group resumed>)   = ?
[pid  5897] <... mmap resumed>)         = 0x7f7124200000
[   71.373474][ T5896] syz-executor170 (5896): drop_caches: 2
[   71.391855][ T5896] syz-executor170 (5896): drop_caches: 2
[   71.404714][ T5897] syz-executor170 (5897): drop_caches: 2
[   71.410585][ T5897] syz-executor170 (5897): drop_caches: 2
[pid  5892] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=34 /* 0.34 s */} ---
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached
, child_tidptr=0x555583185650) = 5898
[pid  5898] set_robust_list(0x555583185660, 24) = 0
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5898] setpgid(0, 0)               = 0
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5898] write(3, "1000", 4)         = 4
[pid  5898] close(3)                    = 0
executing program
[pid  5898] write(1, "executing program\n", 18) = 18
[pid  5898] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5898] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5898] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5898] memfd_create("syzkaller", 0) = 5
[pid  5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   71.515118][ T5898] syz-executor170 (5898): drop_caches: 2
[   71.521300][ T5898] syz-executor170 (5898): drop_caches: 2
[pid  5895] <... close resumed>)        = 0
[pid  5895] exit_group(0)               = ?
[pid  5895] +++ exited with 0 +++
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5899
./strace-static-x86_64: Process 5899 attached
[pid  5899] set_robust_list(0x555583185660, 24) = 0
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5899] setpgid(0, 0)               = 0
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5899] write(3, "1000", 4)         = 4
[pid  5899] close(3)                    = 0
executing program
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5899] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5899] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5899] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5899] memfd_create("syzkaller", 0) = 5
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5894] <... close resumed>)        = 0
[pid  5894] exit_group(0)               = ?
[   71.608725][ T5899] syz-executor170 (5899): drop_caches: 2
[   71.624550][ T5899] syz-executor170 (5899): drop_caches: 2
[pid  5894] +++ exited with 0 +++
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=29 /* 0.29 s */} ---
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached
 <unfinished ...>
[pid  5900] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5819] <... clone resumed>, child_tidptr=0x555583185650) = 5900
[pid  5900] <... set_robust_list resumed>) = 0
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5900] setpgid(0, 0)               = 0
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5900] write(3, "1000", 4)         = 4
[pid  5900] close(3)                    = 0
executing program
[pid  5900] write(1, "executing program\n", 18) = 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] => [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) = 0x7f7124200000
[   71.696058][ T5900] syz-executor170 (5900): drop_caches: 2
[   71.702392][ T5900] syz-executor170 (5900): drop_caches: 2
[pid  5896] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5897] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5898] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5899] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5896] <... write resumed>)        = 33554432
[pid  5896] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5900] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5896] <... munmap resumed>)       = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5896] close(5 <unfinished ...>
[pid  5898] <... write resumed>)        = 33554432
[pid  5898] munmap(0x7f7124200000, 138412032) = 0
[pid  5896] <... close resumed>)        = 0
[pid  5897] <... write resumed>)        = 33554432
[pid  5897] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5898] close(5 <unfinished ...>
[pid  5896] exit_group(0)               = ?
[pid  5896] +++ exited with 0 +++
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=33 /* 0.33 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5897] <... munmap resumed>)       = 0
[pid  5824] <... restart_syscall resumed>) = 0
[pid  5897] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5897] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] close(5 <unfinished ...>
[pid  5824] <... clone resumed>, child_tidptr=0x555583185650) = 5901
./strace-static-x86_64: Process 5901 attached
[pid  5901] set_robust_list(0x555583185660, 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_CLOEXEC) = 3
[pid  5901] write(3, "1000", 4)         = 4
[pid  5901] close(3)                    = 0
executing program
[pid  5901] write(1, "executing program\n", 18) = 18
[pid  5901] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5901] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5901] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5901] memfd_create("syzkaller", 0) = 5
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   72.548330][ T5901] syz-executor170 (5901): drop_caches: 2
[   72.554915][ T5901] syz-executor170 (5901): drop_caches: 2
[pid  5900] <... write resumed>)        = 33554432
[pid  5899] <... write resumed>)        = 33554432
[pid  5899] munmap(0x7f7124200000, 138412032 <unfinished ...>
[pid  5900] munmap(0x7f7124200000, 138412032) = 0
[pid  5899] <... munmap resumed>)       = 0
[pid  5900] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5900] close(5 <unfinished ...>
[pid  5898] <... close resumed>)        = 0
[pid  5899] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5898] exit_group(0 <unfinished ...>
[pid  5899] close(5 <unfinished ...>
[pid  5898] <... exit_group resumed>)   = ?
[pid  5898] +++ exited with 0 +++
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=28 /* 0.28 s */} ---
[pid  5817] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5897] <... close resumed>)        = 0
[pid  5817] <... restart_syscall resumed>) = 0
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5897] exit_group(0)               = ?
[pid  5897] +++ exited with 0 +++
[pid  5817] 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=5897, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=33 /* 0.33 s */} ---
[pid  5817] <... clone resumed>, child_tidptr=0x555583185650) = 5902
[pid  5821] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5902 attached
 <unfinished ...>
[pid  5902] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5821] <... restart_syscall resumed>) = 0
[pid  5902] <... set_robust_list resumed>) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5821] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5902] <... prctl resumed>)        = 0
[pid  5902] setpgid(0, 0 <unfinished ...>
[pid  5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5902] <... setpgid resumed>)      = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5903 attached
) = 3
[pid  5821] <... clone resumed>, child_tidptr=0x555583185650) = 5903
[pid  5902] write(3, "1000", 4)         = 4
[pid  5902] close(3)                    = 0
executing program
[pid  5902] write(1, "executing program\n", 18) = 18
[pid  5902] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5902] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5902] sendfile(4, 3, [100] <unfinished ...>
[pid  5903] set_robust_list(0x555583185660, 24) = 0
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5903] setpgid(0, 0)               = 0
[pid  5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5903] write(3, "1000", 4)         = 4
[pid  5903] close(3executing program
)                    = 0
[pid  5903] write(1, "executing program\n", 18) = 18
[pid  5902] <... sendfile resumed> => [671], 571) = 571
[pid  5902] memfd_create("syzkaller", 0) = 5
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5903] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   72.783164][ T5902] syz-executor170 (5902): drop_caches: 2
[   72.795542][ T5902] syz-executor170 (5902): drop_caches: 2
[pid  5903] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5903] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5903] memfd_create("syzkaller", 0) = 5
[pid  5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[   72.855209][ T5903] syz-executor170 (5903): drop_caches: 2
[   72.861064][ T5903] syz-executor170 (5903): drop_caches: 2
[pid  5900] <... close resumed>)        = 0
[pid  5900] exit_group(0)               = ?
[pid  5899] <... close resumed>)        = 0
[pid  5900] +++ exited with 0 +++
[pid  5899] exit_group(0)               = ?
[pid  5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=33 /* 0.33 s */} ---
[pid  5819] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5899] +++ exited with 0 +++
[pid  5819] <... restart_syscall resumed>) = 0
[pid  5818] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=37 /* 0.37 s */} ---
[pid  5818] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5819] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached
, child_tidptr=0x555583185650) = 5904
[pid  5904] set_robust_list(0x555583185660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0)               = 0
[pid  5818] <... restart_syscall resumed>) = 0
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4 <unfinished ...>
[pid  5818] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5904] <... write resumed>)        = 4
[pid  5818] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5904] close(3 <unfinished ...>
[pid  5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5904] <... close resumed>)        = 0
./strace-static-x86_64: Process 5905 attached
[pid  5904] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5905] set_robust_list(0x555583185660, 24 <unfinished ...>
[pid  5904] <... write resumed>)        = 18
[pid  5818] <... clone resumed>, child_tidptr=0x555583185650) = 5905
[pid  5905] <... set_robust_list resumed>) = 0
[pid  5904] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5904] <... openat resumed>)       = 3
[pid  5905] <... prctl resumed>)        = 0
[pid  5905] setpgid(0, 0 <unfinished ...>
[pid  5904] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5905] <... setpgid resumed>)      = 0
[pid  5904] <... openat resumed>)       = 4
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5904] sendfile(4, 3, [100] <unfinished ...>
[pid  5905] <... openat resumed>)       = 3
[pid  5905] write(3, "1000", 4)         = 4
[pid  5904] <... sendfile resumed> => [671], 571) = 571
[pid  5905] close(3 <unfinished ...>
[pid  5904] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5905] <... close resumed>)        = 0
[pid  5904] <... memfd_create resumed>) = 5
executing program
[pid  5905] write(1, "executing program\n", 18 <unfinished ...>
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5905] <... write resumed>)        = 18
[pid  5904] <... mmap resumed>)         = 0x7f7124200000
[pid  5905] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5905] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5905] sendfile(4, 3, [100] => [671], 571) = 571
[   72.977223][ T5904] syz-executor170 (5904): drop_caches: 2
[   72.983389][ T5904] syz-executor170 (5904): drop_caches: 2
[   73.015531][ T5905] syz-executor170 (5905): drop_caches: 2
[   73.021393][ T5905] syz-executor170 (5905): drop_caches: 2
[pid  5905] memfd_create("syzkaller", 0) = 5
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7124200000
[pid  5901] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5902] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5901] <... write resumed>)        = 33554432
[pid  5903] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5901] munmap(0x7f7124200000, 138412032) = 0
[pid  5901] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5901] close(5 <unfinished ...>
[pid  5904] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5905] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5902] <... write resumed>)        = 33554432
[pid  5902] munmap(0x7f7124200000, 138412032) = 0
[pid  5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5902] close(5 <unfinished ...>
[pid  5901] <... close resumed>)        = 0
[pid  5901] exit_group(0)               = ?
[pid  5901] +++ exited with 0 +++
[pid  5824] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=28 /* 0.28 s */} ---
[pid  5824] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached
, child_tidptr=0x555583185650) = 5906
[pid  5906] set_robust_list(0x555583185660, 24) = 0
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5906] setpgid(0, 0)               = 0
[pid  5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5906] write(3, "1000", 4)         = 4
[pid  5906] close(3)                    = 0
executing program
[pid  5906] write(1, "executing program\n", 18) = 18
[pid  5906] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5906] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5906] sendfile(4, 3, [100] <unfinished ...>
[pid  5902] <... close resumed>)        = 0
[pid  5906] <... sendfile resumed> => [671], 571) = 571
[pid  5902] exit_group(0)               = ?
[pid  5906] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5902] +++ exited with 0 +++
[pid  5906] <... memfd_create resumed>) = 5
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5817] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=42 /* 0.42 s */} ---
[pid  5906] <... mmap resumed>)         = 0x7f7124200000
[pid  5817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5817] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583185650) = 5907
./strace-static-x86_64: Process 5907 attached
[   73.836272][ T5906] syz-executor170 (5906): drop_caches: 2
[   73.854814][ T5906] syz-executor170 (5906): drop_caches: 2
[pid  5907] set_robust_list(0x555583185660, 24) = 0