./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2072353484

<...>
Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts.
execve("./syz-executor2072353484", ["./syz-executor2072353484"], 0x7ffc9b1a6120 /* 10 vars */) = 0
brk(NULL)                               = 0x55557c043000
brk(0x55557c043d40)                     = 0x55557c043d40
arch_prctl(ARCH_SET_FS, 0x55557c0433c0) = 0
set_tid_address(0x55557c043690)         = 282
set_robust_list(0x55557c0436a0, 24)     = 0
rseq(0x55557c043ce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2072353484", 4096) = 28
getrandom("\xf5\x61\x59\xf3\x37\xce\x6c\x98", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557c043d40
brk(0x55557c064d40)                     = 0x55557c064d40
brk(0x55557c065000)                     = 0x55557c065000
mprotect(0x7fd80e6a8000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 283
./strace-static-x86_64: Process 283 attached
[pid   283] set_robust_list(0x55557c0436a0, 24) = 0
[pid   282] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "10000000000", 11) = 11
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "20", 2)           = 2
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "1", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "0", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "0", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "1", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "100", 3)          = 3
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "0", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "0", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "7 4 1 3", 7)      = 7
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "1", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "1", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "0", 1)            = 1
[pid   282] close(3)                    = 0
[pid   282] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3
[pid   282] write(3, "283", 3)          = 3
[pid   282] close(3)                    = 0
[pid   282] kill(283, SIGKILL)          = 0
[pid   283] +++ killed by SIGKILL +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=283, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 284 attached
, child_tidptr=0x55557c043690) = 284
[pid   284] set_robust_list(0x55557c0436a0, 24) = 0
[pid   282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   284] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 285 attached
 <unfinished ...>
[pid   282] <... clone resumed>, child_tidptr=0x55557c043690) = 285
[pid   285] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   284] <... openat resumed>)       = 3
[pid   282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 286
[pid   282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 287
[pid   282] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 288
[pid   285] <... set_robust_list resumed>) = 0
[pid   285] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   284] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   284] close(3 <unfinished ...>
[pid   285] <... openat resumed>)       = 3
[pid   284] <... close resumed>)        = 0
[pid   284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   285] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 288 attached
./strace-static-x86_64: Process 287 attached
./strace-static-x86_64: Process 286 attached
[pid   288] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   287] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   286] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   288] <... set_robust_list resumed>) = 0
[pid   287] <... set_robust_list resumed>) = 0
[pid   286] <... set_robust_list resumed>) = 0
[pid   287] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   286] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   287] <... openat resumed>)       = 3
[pid   288] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   287] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   286] <... openat resumed>)       = 3
[pid   287] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   288] <... openat resumed>)       = 3
[pid   287] close(3 <unfinished ...>
[pid   286] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   288] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   287] <... close resumed>)        = 0
[pid   286] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   288] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   286] close(3 <unfinished ...>
[pid   288] close(3 <unfinished ...>
[pid   286] <... close resumed>)        = 0
[pid   285] close(3)                    = 0
[pid   285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 292
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x55557c0436a0, 24) = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] setpgid(0, 0)               = 0
[pid   290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "1000", 4)         = 4
[pid   290] close(3)                    = 0
[pid   290] write(1, "executing program\n", 18executing program
) = 18
[pid   290] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   290] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0}./strace-static-x86_64: Process 292 attached
 <unfinished ...>
[pid   292] set_robust_list(0x55557c0436a0, 24) = 0
[pid   292] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   290] <... clone3 resumed> => {parent_tid=[294]}, 88) = 294
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   292] <... prctl resumed>)        = 0
[pid   292] setpgid(0, 0)               = 0
[pid   292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   292] write(3, "1000", 4)         = 4
[pid   292] close(3)                    = 0
[pid   292] write(1, "executing program\n", 18executing program
) = 18
[pid   292] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   292] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[295]}, 88) = 295
[pid   292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   292] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached
 <unfinished ...>
[pid   295] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   295] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   295] memfd_create("syzkaller", 0) = 3
[pid   295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[   21.842556][   T24] audit: type=1400 audit(1751848227.530:64): avc:  denied  { execmem } for  pid=282 comm="syz-executor207" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.859825][   T24] audit: type=1400 audit(1751848227.550:65): avc:  denied  { read write } for  pid=284 comm="syz-executor207" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   21.863050][   T24] audit: type=1400 audit(1751848227.550:66): avc:  denied  { open } for  pid=284 comm="syz-executor207" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   288] <... close resumed>)        = 0
[pid   287] <... clone resumed>, child_tidptr=0x55557c043690) = 290
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   284] <... clone resumed>, child_tidptr=0x55557c043690) = 296
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   286] <... clone resumed>, child_tidptr=0x55557c043690) = 297
[pid   288] <... clone resumed>, child_tidptr=0x55557c043690) = 298
./strace-static-x86_64: Process 297 attached
./strace-static-x86_64: Process 298 attached
./strace-static-x86_64: Process 294 attached
[pid   297] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   298] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   297] <... set_robust_list resumed>) = 0
[pid   298] <... set_robust_list resumed>) = 0
[pid   294] set_robust_list(0x7fd80e5de9a0, 24 <unfinished ...>
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   294] <... set_robust_list resumed>) = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   297] <... prctl resumed>)        = 0
[pid   294] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   298] <... prctl resumed>)        = 0
[pid   297] setpgid(0, 0 <unfinished ...>
[pid   294] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   298] setpgid(0, 0 <unfinished ...>
[pid   297] <... setpgid resumed>)      = 0
[pid   298] <... setpgid resumed>)      = 0
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   294] memfd_create("syzkaller", 0 <unfinished ...>
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   294] <... memfd_create resumed>) = 3
[pid   297] <... openat resumed>)       = 3
[pid   298] <... openat resumed>)       = 3
[pid   294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   297] write(3, "1000", 4 <unfinished ...>
[pid   294] <... mmap resumed>)         = 0x7fd8061be000
[pid   298] write(3, "1000", 4 <unfinished ...>
[pid   297] <... write resumed>)        = 4
executing program
./strace-static-x86_64: Process 296 attached
[pid   296] set_robust_list(0x55557c0436a0, 24) = 0
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   296] setpgid(0, 0)               = 0
[pid   296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "1000", 4)         = 4
[pid   296] close(3)                    = 0
[pid   296] write(1, "executing program\n", 18) = 18
[pid   296] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   296] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[299]}, 88) = 299
[pid   296] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   296] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   298] <... write resumed>)        = 4
[pid   297] close(3 <unfinished ...>
[pid   298] close(3 <unfinished ...>
[pid   297] <... close resumed>)        = 0
[pid   298] <... close resumed>)        = 0
[pid   297] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid   298] write(1, "executing program\n", 18 <unfinished ...>
[pid   297] <... write resumed>)        = 18
executing program
[pid   298] <... write resumed>)        = 18
[pid   297] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110},  <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   297] <... rt_sigaction resumed>NULL, 8) = 0
[pid   298] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   297] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   298] <... mmap resumed>)         = 0x7fd80e5be000
[pid   297] <... mprotect resumed>)     = 0
[pid   298] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   297] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   298] <... mprotect resumed>)     = 0
[pid   298] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   297] <... rt_sigprocmask resumed>[], 8) = 0
[pid   298] <... rt_sigprocmask resumed>[], 8) = 0
[pid   297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} <unfinished ...>
[pid   298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} <unfinished ...>
[pid   297] <... clone3 resumed> => {parent_tid=[300]}, 88) = 300
[pid   298] <... clone3 resumed> => {parent_tid=[301]}, 88) = 301
[pid   297] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   298] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   297] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   298] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   297] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   297] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 299 attached
 <unfinished ...>
[pid   299] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   299] memfd_create("syzkaller", 0) = 3
[pid   299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
./strace-static-x86_64: Process 300 attached
[pid   300] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   300] memfd_create("syzkaller", 0./strace-static-x86_64: Process 301 attached
) = 3
[pid   300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   301] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   301] memfd_create("syzkaller", 0) = 3
[pid   301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[   21.890344][   T24] audit: type=1400 audit(1751848227.560:67): avc:  denied  { ioctl } for  pid=284 comm="syz-executor207" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   294] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   294] <... write resumed>)        = 20699119
[pid   294] munmap(0x7fd8061be000, 138412032) = 0
[pid   294] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   294] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   301] <... write resumed>)        = 20699119
[pid   301] munmap(0x7fd8061be000, 138412032 <unfinished ...>
[pid   294] <... ioctl resumed>)        = 0
[pid   294] close(3)                    = 0
[pid   294] close(4 <unfinished ...>
[pid   301] <... munmap resumed>)       = 0
[pid   301] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   295] <... write resumed>)        = 20699119
[pid   295] munmap(0x7fd8061be000, 138412032) = 0
[pid   295] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   299] <... write resumed>)        = 20699119
[pid   299] munmap(0x7fd8061be000, 138412032) = 0
[pid   299] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   300] <... write resumed>)        = 20699119
[pid   300] munmap(0x7fd8061be000, 138412032) = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   294] <... close resumed>)        = 0
[pid   301] <... openat resumed>)       = 4
[pid   301] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   294] mkdir("./file4", 0777)      = 0
[pid   294] mount("/dev/loop3", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... <unfinished ...>
[pid   301] <... ioctl resumed>)        = 0
[pid   300] <... openat resumed>)       = 4
[pid   299] <... openat resumed>)       = 4
[pid   295] <... openat resumed>)       = 4
[pid   301] close(3 <unfinished ...>
[pid   299] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   295] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   301] <... close resumed>)        = 0
[pid   301] close(4 <unfinished ...>
[pid   300] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   295] <... ioctl resumed>)        = 0
[pid   295] close(3)                    = 0
[pid   295] close(4 <unfinished ...>
[pid   299] <... ioctl resumed>)        = 0
[pid   299] close(3)                    = 0
[   22.179181][   T24] audit: type=1400 audit(1751848227.870:68): avc:  denied  { mounton } for  pid=290 comm="syz-executor207" path="/root/file4" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.208288][  T294] F2FS-fs (loop3): Insane cp_payload (553648128 >= 504)
[   22.215304][  T294] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock
[pid   299] close(4 <unfinished ...>
[pid   301] <... close resumed>)        = 0
[pid   301] mkdir("./file4", 0777)      = -1 EEXIST (File exists)
[pid   301] mount("/dev/loop4", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... <unfinished ...>
[pid   300] <... ioctl resumed>)        = 0
[pid   300] close(3)                    = 0
[pid   300] close(4 <unfinished ...>
[pid   294] <... mount resumed>)        = 0
[pid   294] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3
[pid   294] chdir("./file4")            = 0
[   22.223477][  T294] F2FS-fs (loop3): fault_injection options not supported
[   22.230483][  T294] F2FS-fs (loop3): fault_type options not supported
[   22.237571][  T294] F2FS-fs (loop3): invalid crc value
[   22.243718][  T294] F2FS-fs (loop3): Found nat_bits in checkpoint
[   22.258753][  T294] F2FS-fs (loop3): Try to recover 1th superblock, ret: 0
[   22.265783][  T294] F2FS-fs (loop3): Mounted with checkpoint version = 48b305e5
[pid   294] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   295] <... close resumed>)        = 0
[pid   294] <... openat resumed>)       = 4
[pid   295] mkdir("./file4", 0777 <unfinished ...>
[pid   294] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   295] <... mkdir resumed>)        = -1 EEXIST (File exists)
[   22.273392][   T24] audit: type=1400 audit(1751848227.960:69): avc:  denied  { mount } for  pid=290 comm="syz-executor207" name="/" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid   295] mount("/dev/loop1", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... <unfinished ...>
[pid   299] <... close resumed>)        = 0
[pid   299] mkdir("./file4", 0777)      = -1 EEXIST (File exists)
[pid   299] mount("/dev/loop0", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... <unfinished ...>
[pid   300] <... close resumed>)        = 0
[   22.308027][   T24] audit: type=1400 audit(1751848228.000:70): avc:  denied  { mounton } for  pid=292 comm="syz-executor207" path="/root/file4" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[pid   294] <... ioctl resumed>)        = 0
[pid   294] close(4 <unfinished ...>
[pid   300] mkdir("./file4", 0777)      = -1 EEXIST (File exists)
[   22.378274][  T301] F2FS-fs (loop4): Insane cp_payload (553648128 >= 504)
[   22.385438][  T299] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504)
[   22.391741][  T295] F2FS-fs (loop1): Insane cp_payload (553648128 >= 504)
[   22.392442][  T301] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
[   22.399599][  T299] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock
[   22.407612][  T301] F2FS-fs (loop4): fault_injection options not supported
[pid   300] mount("/dev/loop2", "./file4", "f2fs", 0, "noinline_xattr,active_logs=4,discard,fault_injection=00000000000000041160,fault_type=000000000000000"... <unfinished ...>
[pid   294] <... close resumed>)        = 0
[pid   294] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] futex(0x7fd80e6ae6c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] <... futex resumed>)        = 0
[   22.415865][  T295] F2FS-fs (loop1): Can't find valid F2FS filesystem in 1th superblock
[   22.422653][  T301] F2FS-fs (loop4): fault_type options not supported
[   22.431056][  T295] F2FS-fs (loop1): fault_injection options not supported
[   22.437956][  T301] F2FS-fs (loop4): invalid crc value
[   22.444466][  T299] F2FS-fs (loop0): fault_injection options not supported
[   22.449723][  T295] F2FS-fs (loop1): fault_type options not supported
[   22.463489][  T300] F2FS-fs (loop2): Insane cp_payload (553648128 >= 504)
[   22.470574][  T300] F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock
[pid   290] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 4
[pid   294] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   294] futex(0x7fd80e6ae6c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   290] <... futex resumed>)        = 0
[pid   290] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   290] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   294] <... futex resumed>)        = 0
[   22.471223][   T24] audit: type=1400 audit(1751848228.160:71): avc:  denied  { write } for  pid=290 comm="syz-executor207" name="/" dev="loop3" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   22.479179][  T300] F2FS-fs (loop2): fault_injection options not supported
[   22.508019][  T295] F2FS-fs (loop1): invalid crc value
[   22.508324][  T294] F2FS-fs (loop3): switch discard_unit option is not allowed
[   22.519043][  T300] F2FS-fs (loop2): fault_type options not supported
[pid   294] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL <unfinished ...>
[pid   290] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   290] futex(0x7fd80e6ae6dc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e59d000
[pid   290] mprotect(0x7fd80e59e000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   290] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5bd990, parent_tid=0x7fd80e5bd990, exit_signal=0, stack=0x7fd80e59d000, stack_size=0x20300, tls=0x7fd80e5bd6c0} => {parent_tid=[317]}, 88) = 317
[pid   290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   290] futex(0x7fd80e6ae6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   290] futex(0x7fd80e6ae6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 317 attached
 <unfinished ...>
[pid   317] set_robust_list(0x7fd80e5bd9a0, 24) = 0
[pid   317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[   22.525369][  T299] F2FS-fs (loop0): fault_type options not supported
[   22.527972][   T24] audit: type=1400 audit(1751848228.160:72): avc:  denied  { add_name } for  pid=290 comm="syz-executor207" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   22.536431][  T295] F2FS-fs (loop1): Found nat_bits in checkpoint
[pid   317] write(4, NULL, 4294966626 <unfinished ...>
[pid   294] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid   294] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   22.554801][   T24] audit: type=1400 audit(1751848228.160:73): avc:  denied  { create } for  pid=290 comm="syz-executor207" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   22.562989][  T317] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
[   22.592692][  T300] F2FS-fs (loop2): invalid crc value
[   22.592871][  T317] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   22.606496][  T317] CPU: 0 PID: 317 Comm: syz-executor207 Not tainted 5.10.238-syzkaller-00008-g59e9a7228857 #0
[   22.608408][  T299] F2FS-fs (loop0): invalid crc value
[pid   294] futex(0x7fd80e6ae6c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   295] <... mount resumed>)        = 0
[pid   295] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3
[pid   295] chdir("./file4")            = 0
[pid   295] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   295] ioctl(4, LOOP_CLR_FD)       = 0
[   22.616697][  T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   22.616722][  T317] RIP: 0010:update_sit_entry+0x58e/0xf50
[   22.616732][  T317] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 10 2a 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b
[   22.625386][  T301] F2FS-fs (loop4): Found nat_bits in checkpoint
[   22.631998][  T317] RSP: 0018:ffffc90000df6df0 EFLAGS: 00010246
[   22.632006][  T317] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[pid   295] close(4)                    = 0
[pid   295] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 4
[pid   295] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL) = -1 EINVAL (Invalid argument)
[pid   295] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   292] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   295] <... futex resumed>)        = 1
[pid   295] write(4, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   295] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   292] <... futex resumed>)        = 0
[pid   292] exit_group(0)               = ?
[pid   295] <... futex resumed>)        = ?
[pid   295] +++ exited with 0 +++
[pid   292] +++ exited with 0 +++
[pid   285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=0, si_utime=3, si_stime=18} ---
[pid   285] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   285] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   285] ioctl(3, LOOP_CLR_FD)       = 0
[pid   285] close(3)                    = 0
[pid   285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 326
[   22.632010][  T317] RDX: ffff888128144f00 RSI: 0000000000000000 RDI: 0000000000000000
[   22.632014][  T317] RBP: ffffc90000df6e70 R08: ffff888128144f00 R09: 0000000000000003
[   22.632017][  T317] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000
[   22.632022][  T317] R13: ffff88810a67c9b8 R14: ffff8881027b20c0 R15: ffff8881027b2000
[   22.632027][  T317] FS:  00007fd80e5bd6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.632032][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[pid   301] <... mount resumed>)        = 0
[pid   301] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3
[pid   301] chdir("./file4")            = 0
[pid   301] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   301] ioctl(4, LOOP_CLR_FD)       = 0
[pid   301] close(4)                    = 0
[pid   301] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] futex(0x7fd80e6ae6c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 326 attached
 <unfinished ...>
[pid   326] set_robust_list(0x55557c0436a0, 24) = 0
[pid   326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   326] setpgid(0, 0)               = 0
[pid   326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   326] write(3, "1000", 4)         = 4
[pid   326] close(3)                    = 0
[pid   326] write(1, "executing program\n", 18executing program
) = 18
[pid   326] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   326] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   326] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   326] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   326] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   326] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[329]}, 88) = 329
[pid   326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   326] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   326] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 329 attached
 <unfinished ...>
[pid   329] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   329] memfd_create("syzkaller", 0) = 3
[pid   329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[   22.632036][  T317] CR2: 0000000000000000 CR3: 0000000120f6e000 CR4: 00000000003506b0
[   22.632049][  T317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.651269][  T295] F2FS-fs (loop1): Try to recover 1th superblock, ret: 0
[   22.657213][  T317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.657216][  T317] Call Trace:
[   22.657227][  T317]  f2fs_allocate_data_block+0x156b/0x3a10
[   22.657239][  T317]  ? _raw_spin_unlock+0x4d/0x70
[   22.663733][  T295] F2FS-fs (loop1): Mounted with checkpoint version = 48b305e5
[   22.669464][  T317]  ? f2fs_inode_dirtied+0x26b/0x2a0
[   22.669470][  T317]  ? f2fs_io_type_to_rw_hint+0x1e0/0x1e0
[   22.669476][  T317]  ? f2fs_mark_inode_dirty_sync+0x110/0x140
[   22.669486][  T317]  ? inc_valid_block_count+0x562/0xa90
[   22.698194][  T295] F2FS-fs (loop1): switch discard_unit option is not allowed
[   22.701252][  T317]  __allocate_data_block+0x52a/0x980
[   22.701260][  T317]  ? f2fs_map_blocks+0x35c0/0x35c0
[   22.701267][  T317]  f2fs_map_blocks+0xdc8/0x35c0
[   22.701276][  T317]  ? f2fs_do_map_lock+0x290/0x290
[pid   329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119) = 20699119
[pid   329] munmap(0x7fd8061be000, 138412032) = 0
[pid   329] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   329] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   329] ioctl(4, LOOP_CLR_FD)       = 0
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   298] <... futex resumed>)        = 1
[pid   301] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000 <unfinished ...>
[pid   298] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... openat resumed>)       = 4
[pid   301] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   298] <... futex resumed>)        = 0
[pid   301] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL <unfinished ...>
[pid   298] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   329] close(4)                    = 0
[   22.701284][  T317]  ? workingset_activation+0x250/0x250
[   22.701291][  T317]  f2fs_iomap_begin+0x19d/0x680
[   22.701299][  T317]  ? f2fs_destroy_bio_entry_cache+0x20/0x20
[   22.701308][  T317]  ? invalidate_mapping_pagevec+0x40/0x40
[   22.701316][  T317]  iomap_apply+0x115/0x6a0
[   22.701324][  T317]  ? trace_raw_output_iomap_apply+0x260/0x260
[   22.701337][  T317]  ? filemap_fdatawait_range+0xe6/0x130
[   22.712932][  T301] F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
[   22.718173][  T317]  __iomap_dio_rw+0x7ad/0x1110
[pid   329] close(3 <unfinished ...>
[pid   301] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid   301] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   298] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... futex resumed>)        = 1
[pid   301] write(4, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   301] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   298] <... futex resumed>)        = 0
[pid   298] exit_group(0)               = ?
[pid   301] <... futex resumed>)        = ?
[pid   301] +++ exited with 0 +++
[pid   298] +++ exited with 0 +++
[pid   288] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=2, si_stime=18} ---
[pid   288] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   288] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   288] ioctl(3, LOOP_CLR_FD)       = 0
[pid   288] close(3)                    = 0
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 330
./strace-static-x86_64: Process 330 attached
[pid   330] set_robust_list(0x55557c0436a0, 24) = 0
[pid   330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   330] setpgid(0, 0)               = 0
[pid   330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   330] write(3, "1000", 4)         = 4
[pid   330] close(3)                    = 0
[pid   330] write(1, "executing program\n", 18executing program
) = 18
[pid   330] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   330] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   330] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[331]}, 88) = 331
[pid   330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   330] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   329] <... close resumed>)        = 0
[pid   329] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   326] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   326] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 1
[pid   329] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3
[pid   329] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   326] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   326] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 1
[pid   329] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL) = -1 EINVAL (Invalid argument)
[pid   329] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   326] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   326] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   329] <... futex resumed>)        = 1
[pid   329] write(3, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   329] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   326] <... futex resumed>)        = 0
[pid   326] exit_group(0)               = ?
[pid   329] <... futex resumed>)        = ?
[pid   329] +++ exited with 0 +++
[pid   326] +++ exited with 0 +++
[pid   285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=2, si_stime=6} ---
[   22.718179][  T317]  ? __iomap_dio_rw+0x1110/0x1110
[   22.718186][  T317]  ? iomap_dio_complete+0x6a0/0x6a0
[   22.718193][  T317]  ? __init_rwsem+0x1c0/0x1c0
[   22.718200][  T317]  ? __get_user_nocheck_8+0x10/0x13
[   22.718207][  T317]  f2fs_file_write_iter+0x12ad/0x2580
[   22.718215][  T317]  ? f2fs_file_read_iter+0xb10/0xb10
[   22.718223][  T317]  ? copy_fpregs_to_fpstate+0x14a/0x1b0
[   22.718230][  T317]  ? __kasan_check_write+0x14/0x20
[   22.718236][  T317]  ? __switch_to+0x50f/0xfc0
[   22.718242][  T317]  ? __kasan_check_read+0x11/0x20
[pid   285] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   285] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   285] ioctl(3, LOOP_CLR_FD)       = 0
[pid   285] close(3)                    = 0
[pid   285] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 332
./strace-static-x86_64: Process 332 attached
./strace-static-x86_64: Process 331 attached
[pid   290] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   22.718248][  T317]  ? psi_group_change+0x7d3/0xe40
[   22.718253][  T317]  ? compat_start_thread+0x80/0x80
[   22.718259][  T317]  ? native_set_ldt+0x370/0x370
[   22.718267][  T317]  ? avc_policy_seqno+0x1b/0x70
[   22.718273][  T317]  ? selinux_file_permission+0x2a5/0x510
[   22.718280][  T317]  ? security_file_permission+0x83/0xa0
[   22.718291][  T317]  ? iov_iter_init+0x3f/0x120
[   22.732806][  T301] F2FS-fs (loop4): Mounted with checkpoint version = 48b305e5
[   22.740721][  T317]  vfs_write+0x725/0xd60
[   22.740729][  T317]  ? __kasan_check_write+0x14/0x20
[pid   332] set_robust_list(0x55557c0436a0, 24 <unfinished ...>
[pid   331] set_robust_list(0x7fd80e5de9a0, 24 <unfinished ...>
[pid   299] <... mount resumed>)        = 0
[pid   299] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3
[pid   299] chdir("./file4")            = 0
[pid   299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   299] ioctl(4, LOOP_CLR_FD)       = 0
[pid   299] close(4)                    = 0
[pid   299] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 4
[pid   299] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL <unfinished ...>
[pid   332] <... set_robust_list resumed>) = 0
[pid   331] <... set_robust_list resumed>) = 0
[pid   332] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   331] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   300] <... mount resumed>)        = 0
[pid   300] openat(AT_FDCWD, "./file4", O_RDONLY|O_DIRECTORY) = 3
[pid   300] chdir("./file4")            = 0
[pid   300] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   300] ioctl(4, LOOP_CLR_FD)       = 0
[pid   300] close(4)                    = 0
[pid   300] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   300] futex(0x7fd80e6ae6c8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[   22.740736][  T317]  ? kernel_write+0x3c0/0x3c0
[   22.740742][  T317]  ? cgroup_leave_frozen+0x166/0x2b0
[   22.740750][  T317]  ? mutex_trylock+0xa0/0xa0
[   22.740756][  T317]  ? __fget_files+0x2c4/0x320
[   22.740762][  T317]  ? __fdget_pos+0x2d2/0x380
[   22.740768][  T317]  ? ksys_write+0x71/0x240
[   22.740774][  T317]  ksys_write+0x140/0x240
[   22.740780][  T317]  ? __ia32_sys_read+0x90/0x90
[   22.740786][  T317]  ? fpu__clear_all+0x20/0x20
[   22.740796][  T317]  ? fpu__clear_all+0x20/0x20
[pid   299] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 1
[pid   299] write(4, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   299] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   296] exit_group(0)               = ?
[pid   299] <... futex resumed>)        = ?
[pid   299] +++ exited with 0 +++
[pid   296] +++ exited with 0 +++
[pid   284] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=2, si_stime=14} ---
[pid   284] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   332] <... prctl resumed>)        = 0
[pid   332] setpgid(0, 0)               = 0
[pid   332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   332] write(3, "1000", 4)         = 4
executing program
[pid   332] close(3)                    = 0
[pid   332] write(1, "executing program\n", 18) = 18
[pid   332] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   332] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   332] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   332] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[335]}, 88) = 335
[pid   332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   332] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   332] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   331] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   331] memfd_create("syzkaller", 0) = 3
[pid   331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   284] <... restart_syscall resumed>) = 0
[pid   284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   284] ioctl(3, LOOP_CLR_FD)       = 0
[pid   284] close(3)                    = 0
[pid   284] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 336
[   22.767788][  T300] F2FS-fs (loop2): Found nat_bits in checkpoint
[   22.769462][  T317]  __x64_sys_write+0x7b/0x90
[   22.769469][  T317]  do_syscall_64+0x31/0x40
[   22.769484][  T317]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.873070][  T301] F2FS-fs (loop4): switch discard_unit option is not allowed
[   22.875779][  T317] RIP: 0033:0x7fd80e621b79
[   22.875790][  T317] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   297] <... futex resumed>)        = 1
[pid   300] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000 <unfinished ...>
[pid   297] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... openat resumed>)       = 4
[   22.938515][  T299] F2FS-fs (loop0): Found nat_bits in checkpoint
[   22.941349][  T317] RSP: 002b:00007fd80e5bd218 EFLAGS: 00000246
[   22.965914][  T299] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
[   22.969314][  T317]  ORIG_RAX: 0000000000000001
[   22.969321][  T317] RAX: ffffffffffffffda RBX: 00007fd80e6ae6d8 RCX: 00007fd80e621b79
[   22.969325][  T317] RDX: 00000000fffffd62 RSI: 0000000000000000 RDI: 0000000000000004
[   22.969329][  T317] RBP: 00007fd80e6ae6d0 R08: 00007fff942be9d7 R09: 0000000000000000
[pid   300] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL <unfinished ...>
[pid   297] <... futex resumed>)        = 0
./strace-static-x86_64: Process 336 attached
./strace-static-x86_64: Process 335 attached
[pid   331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   297] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid   300] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 1
[pid   300] write(4, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   300] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] exit_group(0)               = ?
[pid   300] <... futex resumed>)        = ?
[pid   300] +++ exited with 0 +++
[pid   297] +++ exited with 0 +++
[pid   286] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=2, si_stime=18} ---
[pid   286] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   336] set_robust_list(0x55557c0436a0, 24) = 0
[pid   336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   336] setpgid(0, 0)               = 0
[pid   336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   336] write(3, "1000", 4)         = 4
[pid   336] close(3executing program
)                    = 0
[pid   336] write(1, "executing program\n", 18) = 18
[pid   336] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   336] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   336] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[337]}, 88) = 337
[pid   336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   336] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   336] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   335] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   335] memfd_create("syzkaller", 0) = 3
[pid   335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   286] <... restart_syscall resumed>) = 0
[pid   286] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[   22.969338][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 0034656c69662f2e
[   22.973825][  T299] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   22.978613][  T317] R13: 00002000000000c0 R14: 00007fff942be8f0 R15: 00007fff942be9d8
[   22.978618][  T317] Modules linked in:
[   22.978778][  T317] ---[ end trace de8d5cc82e98e3eb ]---
[   22.988792][  T300] F2FS-fs (loop2): Try to recover 1th superblock, ret: 0
[   22.993324][  T317] RIP: 0010:update_sit_entry+0x58e/0xf50
[   23.022120][  T299] F2FS-fs (loop0): switch discard_unit option is not allowed
[pid   286] ioctl(3, LOOP_CLR_FD)       = 0
[pid   286] close(3./strace-static-x86_64: Process 337 attached
 <unfinished ...>
[pid   331] <... write resumed>)        = 20699119
[pid   286] <... close resumed>)        = 0
[pid   286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 338
[pid   331] munmap(0x7fd8061be000, 138412032) = 0
[pid   331] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   331] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   331] ioctl(4, LOOP_CLR_FD)       = 0
[pid   337] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   337] memfd_create("syzkaller", 0) = 3
[pid   337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   331] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   331] close(4)                    = 0
[pid   331] close(3./strace-static-x86_64: Process 338 attached
 <unfinished ...>
[pid   338] set_robust_list(0x55557c0436a0, 24) = 0
[pid   338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   338] setpgid(0, 0)               = 0
[pid   338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   338] write(3, "1000", 4)         = 4
[pid   338] close(3)                    = 0
[pid   338] write(1, "executing program\n", 18executing program
) = 18
[pid   338] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   338] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   338] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0}./strace-static-x86_64: Process 339 attached
 => {parent_tid=[339]}, 88) = 339
[pid   339] set_robust_list(0x7fd80e5de9a0, 24 <unfinished ...>
[pid   338] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   339] <... set_robust_list resumed>) = 0
[pid   338] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   339] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   338] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   339] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   338] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   339] memfd_create("syzkaller", 0) = 3
[pid   339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   331] <... close resumed>)        = 0
[pid   331] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   330] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   331] <... futex resumed>)        = 1
[pid   331] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3
[pid   331] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   330] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   331] <... futex resumed>)        = 1
[pid   331] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL) = -1 EINVAL (Invalid argument)
[pid   331] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   330] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   330] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   331] <... futex resumed>)        = 1
[pid   331] write(3, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   331] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   330] <... futex resumed>)        = 0
[pid   330] exit_group(0)               = ?
[pid   331] <... futex resumed>)        = ?
[pid   331] +++ exited with 0 +++
[pid   330] +++ exited with 0 +++
[pid   288] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=3, si_stime=7} ---
[pid   288] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   288] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   288] ioctl(3, LOOP_CLR_FD)       = 0
[pid   288] close(3)                    = 0
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c043690) = 340
[   23.025247][  T317] Code: 00 00 49 8d 5d 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 10 2a 94 ff 48 8b 1b 48 03 5d a8 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 ab 08 00 00 44 0f b6 33 44 89 f0 44 8b
[   23.031932][  T300] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e5
[   23.036097][  T317] RSP: 0018:ffffc90000df6df0 EFLAGS: 00010246
[   23.117922][  T300] F2FS-fs (loop2): switch discard_unit option is not allowed
[   23.154919][  T317] 
./strace-static-x86_64: Process 340 attached
[pid   340] set_robust_list(0x55557c0436a0, 24) = 0
[pid   340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   340] setpgid(0, 0)               = 0
[pid   340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   340] write(3, "1000", 4)         = 4
[pid   340] close(3)                    = 0
[pid   340] write(1, "executing program\n", 18executing program
) = 18
[pid   340] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   340] rt_sigaction(SIGRT_1, {sa_handler=0x7fd80e647a60, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd80e639110}, NULL, 8) = 0
[pid   340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd80e5be000
[pid   340] mprotect(0x7fd80e5bf000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd80e5de990, parent_tid=0x7fd80e5de990, exit_signal=0, stack=0x7fd80e5be000, stack_size=0x20300, tls=0x7fd80e5de6c0} => {parent_tid=[341]}, 88) = 341
[pid   340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   340] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   340] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 341 attached
 <unfinished ...>
[pid   341] set_robust_list(0x7fd80e5de9a0, 24) = 0
[pid   341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   341] memfd_create("syzkaller", 0) = 3
[pid   341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd8061be000
[pid   335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   290] exit_group(0 <unfinished ...>
[pid   294] <... futex resumed>)        = ?
[pid   290] <... exit_group resumed>)   = ?
[pid   294] +++ exited with 0 +++
[pid   337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 20699119 <unfinished ...>
[pid   335] <... write resumed>)        = 20699119
[pid   335] munmap(0x7fd8061be000, 138412032) = 0
[pid   335] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   335] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   335] ioctl(4, LOOP_CLR_FD)       = 0
[pid   337] <... write resumed>)        = 20699119
[pid   335] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   335] close(4)                    = 0
[   23.356771][  T317] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   23.364746][  T317] RDX: ffff888128144f00 RSI: 0000000000000000 RDI: 0000000000000000
[pid   335] close(3 <unfinished ...>
[pid   337] munmap(0x7fd8061be000, 138412032) = 0
[pid   337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   337] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   337] ioctl(4, LOOP_CLR_FD)       = 0
[pid   337] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   337] close(4)                    = 0
[pid   337] close(3 <unfinished ...>
[pid   339] <... write resumed>)        = 20699119
[   23.400918][  T317] RBP: ffffc90000df6e70 R08: ffff888128144f00 R09: 0000000000000003
[   23.426767][  T317] R10: 00000000ffffffff R11: 0000000000000000 R12: dffffc0000000000
[   23.434853][  T317] R13: ffff88810a67c9b8 R14: ffff8881027b20c0 R15: ffff8881027b2000
[pid   339] munmap(0x7fd8061be000, 138412032) = 0
[pid   339] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid   339] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   339] ioctl(4, LOOP_CLR_FD)       = 0
[pid   341] <... write resumed>)        = 20699119
[pid   339] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   337] <... close resumed>)        = 0
[pid   335] <... close resumed>)        = 0
[pid   335] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... futex resumed>)        = 0
[pid   332] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   332] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   335] <... futex resumed>)        = 1
[pid   341] munmap(0x7fd8061be000, 138412032 <unfinished ...>
[pid   335] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000 <unfinished ...>
[pid   341] <... munmap resumed>)       = 0
[pid   335] <... openat resumed>)       = 3
[pid   335] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... futex resumed>)        = 0
[pid   332] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   332] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   335] <... futex resumed>)        = 1
[pid   335] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL) = -1 EINVAL (Invalid argument)
[pid   335] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... futex resumed>)        = 0
[pid   332] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   332] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   335] <... futex resumed>)        = 1
[pid   335] write(3, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   335] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   332] <... futex resumed>)        = 0
[pid   332] exit_group(0)               = ?
[pid   335] <... futex resumed>)        = ?
[pid   335] +++ exited with 0 +++
[pid   332] +++ exited with 0 +++
[pid   285] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=4, si_stime=5} ---
[pid   285] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   341] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   341] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid   341] ioctl(4, LOOP_CLR_FD)       = 0
[pid   337] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   336] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   336] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... futex resumed>)        = 1
[pid   337] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 000) = 3
[pid   337] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   336] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   336] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... futex resumed>)        = 1
[pid   337] mount(NULL, ".", NULL, MS_NODEV|MS_REMOUNT|MS_MOVE|MS_POSIXACL|MS_LAZYTIME, NULL) = -1 EINVAL (Invalid argument)
[pid   337] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   336] futex(0x7fd80e6ae6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   336] futex(0x7fd80e6ae6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   337] <... futex resumed>)        = 1
[pid   337] write(3, NULL, 4294966626)  = -1 EFAULT (Bad address)
[pid   337] futex(0x7fd80e6ae6cc, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   336] <... futex resumed>)        = 0
[pid   336] exit_group(0)               = ?
[pid   341] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[   23.449256][  T317] FS:  00007fd80e5bd6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.458343][  T317] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.465609][  T317] CR2: 00007fd80757b000 CR3: 0000000120f6e000 CR4: 00000000003506b0
[   23.474081][  T317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.482290][  T317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.490397][  T317] Kernel panic - not syncing: Fatal exception
[   23.496576][  T317] Kernel Offset: disabled
[   23.500872][  T317] Rebooting in 86400 seconds..