./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3551051164

<...>
Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts.
execve("./syz-executor3551051164", ["./syz-executor3551051164"], 0x7ffc154d7900 /* 10 vars */) = 0
brk(NULL)                               = 0x555590fc9000
brk(0x555590fc9d40)                     = 0x555590fc9d40
arch_prctl(ARCH_SET_FS, 0x555590fc93c0) = 0
set_tid_address(0x555590fc9690)         = 5842
set_robust_list(0x555590fc96a0, 24)     = 0
rseq(0x555590fc9ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3551051164", 4096) = 28
getrandom("\x7e\xe9\xe0\x90\xb6\xa4\x9f\x1f", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555590fc9d40
brk(0x555590fead40)                     = 0x555590fead40
brk(0x555590feb000)                     = 0x555590feb000
mprotect(0x7fa4a2462000, 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=0x555590fc9690) = 5843
./strace-static-x86_64: Process 5843 attached
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5843] set_robust_list(0x555590fc96a0, 24) = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5844 attached
 <unfinished ...>
[pid  5842] <... clone resumed>, child_tidptr=0x555590fc9690) = 5844
[pid  5844] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5843] <... openat resumed>)       = 3
[pid  5844] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5843] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5845 attached
)       = -1 ENXIO (No such device or address)
[pid  5842] <... clone resumed>, child_tidptr=0x555590fc9690) = 5845
[pid  5845] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5843] close(3 <unfinished ...>
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5844] <... openat resumed>)       = 3
[pid  5843] <... close resumed>)        = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5846 attached
) = 3
[pid  5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5846] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5845] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5847 attached
 <unfinished ...>
[pid  5846] <... set_robust_list resumed>) = 0
[pid  5845] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5843] <... clone resumed>, child_tidptr=0x555590fc9690) = 5847
[pid  5842] <... clone resumed>, child_tidptr=0x555590fc9690) = 5846
[pid  5846] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5844] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5847] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] <... close resumed>)        = 0
[pid  5844] close(3./strace-static-x86_64: Process 5849 attached
 <unfinished ...>
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5846] <... openat resumed>)       = 3
[pid  5844] <... close resumed>)        = 0
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5849] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5846] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5842] <... clone resumed>, child_tidptr=0x555590fc9690) = 5849
[pid  5849] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5850 attached
./strace-static-x86_64: Process 5851 attached
[pid  5849] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5847] <... prctl resumed>)        = 0
[pid  5846] close(3)                    = 0
[pid  5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5851] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5850] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5851] <... set_robust_list resumed>) = 0
[pid  5847] <... setpgid resumed>)      = 0
[pid  5844] <... clone resumed>, child_tidptr=0x555590fc9690) = 5851
[pid  5850] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5852 attached
[pid  5852] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5849] <... openat resumed>)       = 3
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5852] <... set_robust_list resumed>) = 0
[pid  5849] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5845] <... clone resumed>, child_tidptr=0x555590fc9690) = 5850
[pid  5849] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5849] close(3 <unfinished ...>
[pid  5846] <... clone resumed>, child_tidptr=0x555590fc9690) = 5852
[pid  5849] <... close resumed>)        = 0
[pid  5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached
 <unfinished ...>
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5851] <... prctl resumed>)        = 0
[pid  5850] <... prctl resumed>)        = 0
[pid  5847] <... openat resumed>)       = 3
[pid  5851] setpgid(0, 0 <unfinished ...>
[pid  5850] setpgid(0, 0 <unfinished ...>
[pid  5851] <... setpgid resumed>)      = 0
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5850] <... setpgid resumed>)      = 0
[pid  5852] <... prctl resumed>)        = 0
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5849] <... clone resumed>, child_tidptr=0x555590fc9690) = 5853
[pid  5852] setpgid(0, 0 <unfinished ...>
[pid  5847] <... write resumed>)        = 4
[pid  5853] set_robust_list(0x555590fc96a0, 24 <unfinished ...>
[pid  5852] <... setpgid resumed>)      = 0
[pid  5851] <... openat resumed>)       = 3
[pid  5847] close(3 <unfinished ...>
[pid  5853] <... set_robust_list resumed>) = 0
[pid  5850] <... openat resumed>)       = 3
[pid  5847] <... close resumed>)        = 0
executing program
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5851] write(3, "1000", 4 <unfinished ...>
[pid  5850] write(3, "1000", 4 <unfinished ...>
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5851] <... write resumed>)        = 4
[pid  5847] <... write resumed>)        = 18
[pid  5851] close(3 <unfinished ...>
[pid  5850] <... write resumed>)        = 4
[pid  5853] <... prctl resumed>)        = 0
[pid  5852] <... openat resumed>)       = 3
[pid  5851] <... close resumed>)        = 0
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] setpgid(0, 0)               = 0
[pid  5852] write(3, "1000", 4)         = 4
[pid  5852] close(3)                    = 0
executing program
[pid  5852] write(1, "executing program\n", 18) = 18
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] rt_sigaction(SIGRT_1, {sa_handler=0x7fa4a24075e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa4a23f8c90}, NULL, 8) = 0
[pid  5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa4a2376000
[pid  5852] mprotect(0x7fa4a2377000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5851] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5851] <... write resumed>)        = 18
[pid  5852] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] close(3 <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5847] rt_sigaction(SIGRT_1, {sa_handler=0x7fa4a24075e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa4a23f8c90},  <unfinished ...>
[pid  5853] <... openat resumed>)       = 3
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2396990, parent_tid=0x7fa4a2396990, exit_signal=0, stack=0x7fa4a2376000, stack_size=0x20300, tls=0x7fa4a23966c0} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... close resumed>)        = 0
[pid  5847] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5851] rt_sigaction(SIGRT_1, {sa_handler=0x7fa4a24075e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa4a23f8c90},  <unfinished ...>
[pid  5850] write(1, "executing program\n", 18 <unfinished ...>
[pid  5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program
 <unfinished ...>
[pid  5851] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5850] <... write resumed>)        = 18
[pid  5851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5853] write(3, "1000", 4 <unfinished ...>
[pid  5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5850] rt_sigaction(SIGRT_1, {sa_handler=0x7fa4a24075e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa4a23f8c90},  <unfinished ...>
[pid  5853] <... write resumed>)        = 4
[pid  5852] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854
[pid  5851] <... mmap resumed>)         = 0x7fa4a2376000
[pid  5850] <... rt_sigaction resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5854 attached
[pid  5853] close(3 <unfinished ...>
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5851] mprotect(0x7fa4a2377000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5853] <... close resumed>)        = 0
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5851] <... mprotect resumed>)     = 0
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
executing program
[pid  5853] write(1, "executing program\n", 18 <unfinished ...>
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5853] <... write resumed>)        = 18
[pid  5852] <... futex resumed>)        = 0
[pid  5851] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5850] <... mmap resumed>)         = 0x7fa4a2376000
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2396990, parent_tid=0x7fa4a2396990, exit_signal=0, stack=0x7fa4a2376000, stack_size=0x20300, tls=0x7fa4a23966c0} <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5850] mprotect(0x7fa4a2377000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5853] rt_sigaction(SIGRT_1, {sa_handler=0x7fa4a24075e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa4a23f8c90},  <unfinished ...>
[pid  5850] <... mprotect resumed>)     = 0
[pid  5853] <... rt_sigaction resumed>NULL, 8) = 0
[pid  5850] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5855 attached
 <unfinished ...>
[pid  5854] rseq(0x7fa4a2396fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid  5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5854] <... rseq resumed>)         = 0
[pid  5855] rseq(0x7fa4a2396fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5854] set_robust_list(0x7fa4a23969a0, 24 <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5851] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855
[pid  5847] <... mmap resumed>)         = 0x7fa4a2376000
[pid  5855] <... rseq resumed>)         = 0
[pid  5854] <... set_robust_list resumed>) = 0
[pid  5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5851] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] mprotect(0x7fa4a2377000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5854] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] <... mmap resumed>)         = 0x7fa4a2376000
[pid  5851] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5855] set_robust_list(0x7fa4a23969a0, 24 <unfinished ...>
[pid  5854] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] mprotect(0x7fa4a2377000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2396990, parent_tid=0x7fa4a2396990, exit_signal=0, stack=0x7fa4a2376000, stack_size=0x20300, tls=0x7fa4a23966c0} <unfinished ...>
[pid  5847] <... mprotect resumed>)     = 0
[pid  5855] <... set_robust_list resumed>) = 0
[pid  5854] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5853] <... mprotect resumed>)     = 0
[pid  5851] <... futex resumed>)        = 0
./strace-static-x86_64: Process 5856 attached
[pid  5855] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5854] <... memfd_create resumed>) = 3
[pid  5853] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856
[pid  5847] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5855] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5850] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5855] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5854] <... mmap resumed>)         = 0x7fa499e00000
[pid  5853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2396990, parent_tid=0x7fa4a2396990, exit_signal=0, stack=0x7fa4a2376000, stack_size=0x20300, tls=0x7fa4a23966c0} <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
./strace-static-x86_64: Process 5857 attached
[pid  5855] <... memfd_create resumed>) = 3
[pid  5854] 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"..., 524288 <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2396990, parent_tid=0x7fa4a2396990, exit_signal=0, stack=0x7fa4a2376000, stack_size=0x20300, tls=0x7fa4a23966c0} <unfinished ...>
[pid  5857] rseq(0x7fa4a2396fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa499e00000
[pid  5853] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857
[pid  5853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5857] <... rseq resumed>)         = 0
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] set_robust_list(0x7fa4a23969a0, 24 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5857] memfd_create("syzkaller", 0) = 3
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa499e00000
./strace-static-x86_64: Process 5858 attached
[pid  5856] rseq(0x7fa4a2396fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5855] 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"..., 524288 <unfinished ...>
[pid  5856] <... rseq resumed>)         = 0
[pid  5847] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858
[pid  5858] rseq(0x7fa4a2396fe0, 0x20, 0, 0x53053053) = 0
[pid  5857] 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"..., 524288 <unfinished ...>
[pid  5856] set_robust_list(0x7fa4a23969a0, 24 <unfinished ...>
[pid  5847] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5856] <... set_robust_list resumed>) = 0
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5856] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5847] <... futex resumed>)        = 0
[pid  5858] set_robust_list(0x7fa4a23969a0, 24 <unfinished ...>
[pid  5856] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5858] <... set_robust_list resumed>) = 0
[pid  5856] <... memfd_create resumed>) = 3
[pid  5858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5858] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5858] <... memfd_create resumed>) = 3
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa499e00000
[pid  5856] <... mmap resumed>)         = 0x7fa499e00000
[pid  5857] <... write resumed>)        = 524288
[pid  5854] <... write resumed>)        = 524288
[pid  5858] 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"..., 524288 <unfinished ...>
[pid  5854] munmap(0x7fa499e00000, 138412032 <unfinished ...>
[pid  5855] <... write resumed>)        = 524288
[pid  5854] <... munmap resumed>)       = 0
[pid  5856] 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"..., 524288 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5854] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5858] <... write resumed>)        = 524288
[pid  5857] munmap(0x7fa499e00000, 138412032 <unfinished ...>
[pid  5855] munmap(0x7fa499e00000, 138412032 <unfinished ...>
[pid  5857] <... munmap resumed>)       = 0
[pid  5855] <... munmap resumed>)       = 0
[pid  5856] <... write resumed>)        = 524288
[pid  5856] munmap(0x7fa499e00000, 138412032 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5857] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid  5856] <... munmap resumed>)       = 0
[pid  5855] <... openat resumed>)       = 4
[pid  5857] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5855] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5858] munmap(0x7fa499e00000, 138412032) = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5858] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5856] <... openat resumed>)       = 4
[pid  5856] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5854] <... ioctl resumed>)        = 0
[pid  5854] close(3)                    = 0
[pid  5854] close(4 <unfinished ...>
[pid  5857] close(3)                    = 0
[pid  5857] close(4)                    = 0
[pid  5857] mkdir("./file1", 0777)      = 0
syzkaller login: [   89.297931][ T5854] loop3: detected capacity change from 0 to 1024
[   89.313575][ T5857] loop4: detected capacity change from 0 to 1024
[   89.322646][ T5855] loop1: detected capacity change from 0 to 1024
[   89.324944][ T5858] loop0: detected capacity change from 0 to 1024
[   89.338372][ T5856] loop2: detected capacity change from 0 to 1024
[pid  5857] mount("/dev/loop4", "./file1", "ext4", MS_NOSUID|MS_NODEV|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue" <unfinished ...>
[pid  5856] <... ioctl resumed>)        = 0
[pid  5855] <... ioctl resumed>)        = 0
[pid  5854] <... close resumed>)        = 0
[pid  5855] close(3 <unfinished ...>
[pid  5854] mkdir("./file1", 0777 <unfinished ...>
[pid  5855] <... close resumed>)        = 0
[pid  5854] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5854] mount("/dev/loop3", "./file1", "ext4", MS_NOSUID|MS_NODEV|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue" <unfinished ...>
[pid  5858] <... ioctl resumed>)        = 0
[pid  5858] close(3)                    = 0
[pid  5858] close(4)                    = 0
[pid  5858] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[pid  5858] mount("/dev/loop0", "./file1", "ext4", MS_NOSUID|MS_NODEV|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue" <unfinished ...>
[pid  5855] close(4)                    = 0
[pid  5855] mkdir("./file1", 0777 <unfinished ...>
[pid  5856] close(3)                    = 0
[pid  5855] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5856] close(4 <unfinished ...>
[pid  5855] mount("/dev/loop1", "./file1", "ext4", MS_NOSUID|MS_NODEV|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue" <unfinished ...>
[pid  5856] <... close resumed>)        = 0
[pid  5856] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[   89.343766][ T5857] =======================================================
[   89.343766][ T5857] WARNING: The mand mount option has been deprecated and
[   89.343766][ T5857]          and is ignored by this kernel. Remove the mand
[   89.343766][ T5857]          option from the mount to silence this warning.
[   89.343766][ T5857] =======================================================
[   89.428542][ T5854] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[   89.430533][ T5855] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[   89.454323][ T5857] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[pid  5856] mount("/dev/loop2", "./file1", "ext4", MS_NOSUID|MS_NODEV|MS_MANDLOCK|MS_STRICTATIME|MS_LAZYTIME, ",errors=continue") = 0
[pid  5855] <... mount resumed>)        = 0
[pid  5854] <... mount resumed>)        = 0
[pid  5855] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5855] <... openat resumed>)       = 3
[pid  5854] <... openat resumed>)       = 3
[pid  5856] chdir("./file1" <unfinished ...>
[pid  5855] chdir("./file1" <unfinished ...>
[pid  5854] chdir("./file1" <unfinished ...>
[pid  5856] <... chdir resumed>)        = 0
[pid  5855] <... chdir resumed>)        = 0
[pid  5854] <... chdir resumed>)        = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5855] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5854] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5856] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5855] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5854] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... mount resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5857] chdir("./file1" <unfinished ...>
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5854] <... futex resumed>)        = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5855] <... futex resumed>)        = 1
[pid  5854] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5855] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5857] <... chdir resumed>)        = 0
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5852] <... futex resumed>)        = 1
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5856] <... futex resumed>)        = 0
[pid  5855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5854] <... futex resumed>)        = 0
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 1
[   89.467248][ T5856] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[   89.467486][ T5858] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 035 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 035 <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 035 <unfinished ...>
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] <... futex resumed>)        = 1
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5856] <... openat resumed>)       = 4
[pid  5855] <... openat resumed>)       = 4
[pid  5854] <... openat resumed>)       = 4
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5853] <... futex resumed>)        = 1
[pid  5850] <... futex resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 035 <unfinished ...>
[pid  5855] <... futex resumed>)        = 1
[pid  5851] <... futex resumed>)        = 0
[pid  5857] <... openat resumed>)       = 4
[pid  5856] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5855] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200000000240 <unfinished ...>
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5857] <... futex resumed>)        = 0
[pid  5856] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200000000240 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5857] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200000000240 <unfinished ...>
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... ioctl resumed>)        = 0
[pid  5854] <... futex resumed>)        = 1
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] <... ioctl resumed>)        = 0
[pid  5854] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] <... ioctl resumed>)        = 0
[pid  5854] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5852] <... futex resumed>)        = 0
[pid  5857] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5856] <... futex resumed>)        = 1
[pid  5854] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200000000240 <unfinished ...>
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... futex resumed>)        = 0
[pid  5857] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5854] <... ioctl resumed>)        = 0
[pid  5853] <... futex resumed>)        = 0
[pid  5857] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5856] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... openat resumed>)       = 5
[pid  5856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5855] <... futex resumed>)        = 1
[pid  5854] <... futex resumed>)        = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5851] <... futex resumed>)        = 0
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5855] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... futex resumed>)        = 0
[pid  5858] <... mount resumed>)        = 0
[pid  5857] <... futex resumed>)        = 1
[pid  5856] <... openat resumed>)       = 5
[pid  5855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5854] <... openat resumed>)       = 5
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5858] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5857] pwrite64(5, "#", 1, 28829 <unfinished ...>
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] <... openat resumed>)       = 3
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5858] chdir("./file1" <unfinished ...>
[pid  5857] <... pwrite64 resumed>)     = 1
[pid  5856] <... futex resumed>)        = 0
[pid  5855] <... openat resumed>)       = 5
[pid  5854] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5858] <... chdir resumed>)        = 0
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] pwrite64(5, "#", 1, 28829 <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5854] pwrite64(5, "#", 1, 28829 <unfinished ...>
[pid  5853] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5852] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5855] <... futex resumed>)        = 1
[pid  5851] <... futex resumed>)        = 0
[pid  5858] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5853] <... futex resumed>)        = 0
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] pwrite64(5, "#", 1, 28829 <unfinished ...>
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5858] <... futex resumed>)        = 1
[pid  5857] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC, 0400 <unfinished ...>
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5854] <... pwrite64 resumed>)     = 1
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5854] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC, 0400 <unfinished ...>
[pid  5858] <... futex resumed>)        = 0
[pid  5847] <... futex resumed>)        = 1
[pid  5858] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 035) = 4
[pid  5854] <... openat resumed>)       = 6
[pid  5854] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5852] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5852] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] <... futex resumed>)        = 0
[pid  5854] <... futex resumed>)        = 1
[pid  5858] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5854] pwrite64(6, "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65007, 65228 <unfinished ...>
[pid  5856] <... pwrite64 resumed>)     = 1
[pid  5855] <... pwrite64 resumed>)     = 1
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5858] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = 1
[pid  5855] <... futex resumed>)        = 1
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5847] <... futex resumed>)        = 1
[pid  5858] ioctl(4, _IOC(_IOC_WRITE, 0x58, 0x28, 0x30), 0x200000000240 <unfinished ...>
[pid  5857] <... openat resumed>)       = 6
[pid  5856] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5855] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5855] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5851] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5856] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5855] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC, 0400 <unfinished ...>
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] <... ioctl resumed>)        = 0
[pid  5857] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5856] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC, 0400 <unfinished ...>
[pid  5857] <... futex resumed>)        = 1
[pid  5853] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5857] pwrite64(6, "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65007, 65228 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5847] <... futex resumed>)        = 0
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5858] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 5
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5858] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... futex resumed>)        = 1
[pid  5852] <... futex resumed>)        = 0
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa4a2355000
[pid  5852] mprotect(0x7fa4a2356000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5852] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5858] <... futex resumed>)        = 0
[pid  5853] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5852] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5851] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5850] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5851] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2375990, parent_tid=0x7fa4a2375990, exit_signal=0, stack=0x7fa4a2355000, stack_size=0x20300, tls=0x7fa4a23756c0} <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5851] <... mmap resumed>)         = 0x7fa4a2355000
[pid  5850] <... futex resumed>)        = 0
[pid  5858] pwrite64(5, "#", 1, 28829 <unfinished ...>
[pid  5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5852] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876
[pid  5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5853] <... mmap resumed>)         = 0x7fa4a2355000
[pid  5852] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5851] mprotect(0x7fa4a2356000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5850] <... mmap resumed>)         = 0x7fa4a2355000
[pid  5853] mprotect(0x7fa4a2356000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5852] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] mprotect(0x7fa4a2356000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid  5853] <... mprotect resumed>)     = 0
[pid  5852] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... mprotect resumed>)     = 0
[pid  5850] <... mprotect resumed>)     = 0
[pid  5853] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5852] <... futex resumed>)        = 0
[pid  5850] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5852] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2375990, parent_tid=0x7fa4a2375990, exit_signal=0, stack=0x7fa4a2355000, stack_size=0x20300, tls=0x7fa4a23756c0} <unfinished ...>
[pid  5851] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid  5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2375990, parent_tid=0x7fa4a2375990, exit_signal=0, stack=0x7fa4a2355000, stack_size=0x20300, tls=0x7fa4a23756c0}./strace-static-x86_64: Process 5877 attached
 <unfinished ...>
[pid  5851] <... rt_sigprocmask resumed>[], 8) = 0
[pid  5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2375990, parent_tid=0x7fa4a2375990, exit_signal=0, stack=0x7fa4a2355000, stack_size=0x20300, tls=0x7fa4a23756c0} <unfinished ...>
[pid  5877] rseq(0x7fa4a2375fe0, 0x20, 0, 0x53053053) = 0
[pid  5853] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878
[pid  5850] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877
[pid  5858] <... pwrite64 resumed>)     = 1
[pid  5877] set_robust_list(0x7fa4a23759a0, 24 <unfinished ...>
[pid  5853] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5853] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5850] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5850] <... futex resumed>)        = 0
[pid  5853] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5879 attached
./strace-static-x86_64: Process 5878 attached
./strace-static-x86_64: Process 5876 attached
 <unfinished ...>
[pid  5877] <... set_robust_list resumed>) = 0
[pid  5858] <... futex resumed>)        = 1
[pid  5851] <... clone3 resumed> => {parent_tid=[5879]}, 88) = 5879
[pid  5847] <... futex resumed>)        = 0
[pid  5879] rseq(0x7fa4a2375fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5877] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5876] rseq(0x7fa4a2375fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5858] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5877] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5876] <... rseq resumed>)         = 0
[pid  5858] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5851] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5847] <... futex resumed>)        = 0
[pid  5877] pwrite64(-1, "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65007, 65228 <unfinished ...>
[pid  5858] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT|O_SYNC, 0400 <unfinished ...>
[pid  5851] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5877] <... pwrite64 resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5878] rseq(0x7fa4a2375fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5877] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5858] <... openat resumed>)       = 6
[pid  5851] <... futex resumed>)        = 0
[pid  5879] <... rseq resumed>)         = 0
[pid  5878] <... rseq resumed>)         = 0
[pid  5877] <... futex resumed>)        = 1
[pid  5876] set_robust_list(0x7fa4a23759a0, 24 <unfinished ...>
[pid  5858] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5850] <... futex resumed>)        = 0
[pid  5879] set_robust_list(0x7fa4a23759a0, 24 <unfinished ...>
[pid  5878] set_robust_list(0x7fa4a23759a0, 24 <unfinished ...>
[pid  5877] futex(0x7fa4a2468658, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] <... set_robust_list resumed>) = 0
[pid  5858] <... futex resumed>)        = 1
[pid  5850] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5879] <... set_robust_list resumed>) = 0
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5877] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5847] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5877] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5858] pwrite64(6, "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65007, 65228 <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5878] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5850] <... futex resumed>)        = 0
[pid  5847] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5878] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5877] <... openat resumed>)       = 7
[pid  5850] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5879] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5878] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5877] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5876] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5856] <... openat resumed>)       = 6
[pid  5855] <... openat resumed>)       = 6
[pid  5879] pwrite64(-1, "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65007, 65228 <unfinished ...>
[pid  5878] <... openat resumed>)       = 7
[pid  5877] <... futex resumed>)        = 0
[pid  5876] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5856] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5855] futex(0x7fa4a246864c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5850] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5879] <... pwrite64 resumed>)     = -1 EBADF (Bad file descriptor)
[pid  5878] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5877] futex(0x7fa4a2468658, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5876] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5856] <... futex resumed>)        = 0
[pid  5855] <... futex resumed>)        = 0
[pid  5850] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5879] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5878] <... futex resumed>)        = 1
[pid  5876] <... openat resumed>)       = 7
[pid  5856] pwritev2(7, [{iov_base="\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=60904}], 1, 3707, 0 <unfinished ...>
[pid  5855] futex(0x7fa4a2468648, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5850] <... futex resumed>)        = 0
[pid  5879] <... futex resumed>)        = 1
[pid  5878] pwritev2(7, [{iov_base="\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=60904}], 1, 3707, 0 <unfinished ...>
[pid  5876] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5853] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5852] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5851] <... futex resumed>)        = 0
[pid  5850] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5879] futex(0x7fa4a2468658, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5847] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5876] <... futex resumed>)        = 0
[pid  5853] <... futex resumed>)        = 0
[pid  5852] <... futex resumed>)        = 0
[pid  5851] futex(0x7fa4a2468648, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5847] futex(0x7fa4a246865c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5876] pwritev2(7, [{iov_base="\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=60904}], 1, 3707, 0 <unfinished ...>
[pid  5853] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5847] <... futex resumed>)        = 0
[pid  5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid  5851] <... futex resumed>)        = 1
[pid  5855] <... futex resumed>)        = 0
[pid  5847] <... mmap resumed>)         = 0x7fa4a2355000
[pid  5855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME, 000 <unfinished ...>
[pid  5852] futex(0x7fa4a246865c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5851] futex(0x7fa4a246864c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   89.786305][ T5856] EXT4-fs error (device loop2): mb_free_blocks:1948: group 0, inode 15: block 433:freeing already freed block (bit 27); block bitmap corrupt.
[   89.789217][ T5878] EXT4-fs error (device loop4): mb_free_blocks:1948: group 0, inode 15: block 433:freeing already freed block (bit 27); block bitmap corrupt.
[   89.818339][ T5857] EXT4-fs (loop4): Delayed block allocation failed for inode 16 at logical offset 80 with max blocks 1 with error 28
[pid  5847] mprotect(0x7fa4a2356000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa4a2375990, parent_tid=0x7fa4a2375990, exit_signal=0, stack=0x7fa4a2355000, stack_size=0x20300, tls=0x7fa4a23756c0} <unfinished ...>
[pid  5850] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
./strace-static-x86_64: Process 5880 attached
[pid  5847] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880
[pid  5880] rseq(0x7fa4a2375fe0, 0x20, 0, 0x53053053 <unfinished ...>
[   89.834624][ T5854] EXT4-fs (loop2): Delayed block allocation failed for inode 16 at logical offset 80 with max blocks 1 with error 28
[   89.848383][ T5856] ------------[ cut here ]------------
[   89.854516][ T5856] kernel BUG at fs/ext4/extents.c:2153!
[   89.862777][ T5857] EXT4-fs (loop4): This should not happen!! Data will be lost
[   89.862777][ T5857] 
[pid  5847] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5880] <... rseq resumed>)         = 0
[pid  5847] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5853] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5880] set_robust_list(0x7fa4a23759a0, 24 <unfinished ...>
[pid  5847] futex(0x7fa4a2468658, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5880] <... set_robust_list resumed>) = 0
[pid  5852] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5847] <... futex resumed>)        = 0
[   89.882923][ T5856] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[   89.883557][ T5854] EXT4-fs (loop2): This should not happen!! Data will be lost
[   89.883557][ T5854] 
[   89.889213][ T5856] CPU: 1 UID: 0 PID: 5856 Comm: syz-executor355 Not tainted 6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 PREEMPT(full) 
[   89.889238][ T5856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   89.903782][ T5857] EXT4-fs (loop4): Total free blocks count 0
[   89.911256][ T5856] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0
[   89.932575][ T5878] ------------[ cut here ]------------
[   89.933636][ T5856] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 3c 95 b6 ff e9 99 e7 ff ff e8 a2 3d 55 ff 90 0f 0b e8 9a 3d 55 ff 90 <0f> 0b e8 92 3d 55 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c
[   89.933656][ T5856] RSP: 0018:ffffc9000437ec60 EFLAGS: 00010293
[   89.933675][ T5856] RAX: ffffffff826af7b6 RBX: 000000000000001d RCX: ffff88802dd18000
[   89.933690][ T5856] RDX: 0000000000000000 RSI: 000000000000001d RDI: 000000000000001d
[   89.933702][ T5856] RBP: ffffc9000437ee10 R08: ffff8880738b3ae7 R09: 1ffff1100e71675c
[   89.939141][ T5878] kernel BUG at fs/ext4/extents.c:2153!
[   89.958735][ T5856] R10: dffffc0000000000 R11: ffffed100e71675d R12: 000000000000001d
[   89.958749][ T5856] R13: dffffc0000000000 R14: ffff8880721f643c R15: ffff888027204700
[   89.958763][ T5856] FS:  00007fa4a23966c0(0000) GS:ffff888125d4f000(0000) knlGS:0000000000000000
[   89.958779][ T5856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.958791][ T5856] CR2: 00007f42dc5c1000 CR3: 000000003299c000 CR4: 00000000003526f0
[   90.033736][ T5856] Call Trace:
[   90.037020][ T5856]  <TASK>
[   90.039961][ T5856]  ? rcu_is_watching+0x15/0xb0
[   90.044735][ T5856]  ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x200
[   90.051852][ T5856]  ? __pfx_ext4_ext_insert_extent+0x10/0x10
[   90.057758][ T5856]  ext4_ext_map_blocks+0x1792/0x6ac0
[   90.063054][ T5856]  ? __lock_acquire+0xab9/0xd20
[   90.067911][ T5856]  ? __lock_acquire+0xab9/0xd20
[   90.072771][ T5856]  ? __pfx_ext4_ext_map_blocks+0x10/0x10
[   90.078426][ T5856]  ext4_map_blocks+0x931/0x18d0
[   90.083286][ T5856]  ? __pfx_ext4_map_blocks+0x10/0x10
[   90.088572][ T5856]  ? schedule+0x16f/0x360
[   90.092924][ T5856]  ? __lock_acquire+0xab9/0xd20
[   90.097779][ T5856]  _ext4_get_block+0x200/0x4c0
[   90.102635][ T5856]  ? __pfx__ext4_get_block+0x10/0x10
[   90.107931][ T5856]  ext4_get_block_unwritten+0x2e/0x100
[   90.113396][ T5856]  ext4_block_write_begin+0x6f8/0x14b0
[   90.118865][ T5856]  ? __pfx_ext4_get_block_unwritten+0x10/0x10
[   90.124937][ T5856]  ? __pfx_ext4_block_write_begin+0x10/0x10
[   90.130833][ T5856]  ? folio_mapping+0x16f/0x240
[   90.135605][ T5856]  ? ext4_inode_journal_mode+0x18c/0x480
[   90.141252][ T5856]  ext4_write_begin+0xa4f/0x1680
[   90.146192][ T5856]  ? ext4_mark_iloc_dirty+0x6f3/0x1ca0
[   90.151663][ T5856]  ? __pfx_ext4_write_begin+0x10/0x10
[   90.157046][ T5856]  ? __lock_acquire+0xab9/0xd20
[   90.161903][ T5856]  ext4_da_write_begin+0x449/0xd20
[   90.167025][ T5856]  ? __pfx_ext4_da_write_begin+0x10/0x10
[   90.172664][ T5856]  generic_perform_write+0x2c4/0x910
[   90.177966][ T5856]  ? __pfx_generic_perform_write+0x10/0x10
[   90.183778][ T5856]  ? file_modified_flags+0x374/0x560
[   90.189069][ T5856]  ? ext4_write_checks+0x24b/0x2c0
[   90.194185][ T5856]  ext4_buffered_write_iter+0xce/0x3a0
[   90.199653][ T5856]  ext4_file_write_iter+0x182a/0x1bc0
[   90.205034][ T5856]  ? __pfx_ext4_file_write_iter+0x10/0x10
[   90.210760][ T5856]  do_iter_readv_writev+0x56b/0x7f0
[   90.215969][ T5856]  ? __pfx_do_iter_readv_writev+0x10/0x10
[   90.221693][ T5856]  ? rcu_read_lock_any_held+0xb3/0x120
[   90.227162][ T5856]  vfs_writev+0x31a/0x960
[   90.231522][ T5856]  ? __lock_acquire+0xab9/0xd20
[   90.236372][ T5856]  ? __pfx_vfs_writev+0x10/0x10
[   90.241227][ T5856]  ? __fget_files+0x2a/0x420
[   90.245825][ T5856]  ? __fget_files+0x3a0/0x420
[   90.250524][ T5856]  ? __fget_files+0x2a/0x420
[   90.255138][ T5856]  __se_sys_pwritev2+0x179/0x290
[   90.260096][ T5856]  ? __pfx___se_sys_pwritev2+0x10/0x10
[   90.265572][ T5856]  ? rcu_is_watching+0x15/0xb0
[   90.270352][ T5856]  ? __x64_sys_pwritev2+0x20/0xc0
[   90.275388][ T5856]  do_syscall_64+0xfa/0x3b0
[   90.279898][ T5856]  ? lockdep_hardirqs_on+0x9c/0x150
[   90.285102][ T5856]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.291173][ T5856]  ? clear_bhb_loop+0x60/0xb0
[   90.295856][ T5856]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.301748][ T5856] RIP: 0033:0x7fa4a23e16f9
[   90.306166][ T5856] 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
[   90.325782][ T5856] RSP: 002b:00007fa4a2396208 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[   90.334203][ T5856] RAX: ffffffffffffffda RBX: 00007fa4a2468648 RCX: 00007fa4a23e16f9
[   90.342176][ T5856] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000007
[   90.350147][ T5856] RBP: 00007fa4a2468640 R08: 0000000000000000 R09: 0000000000000000
[   90.358119][ T5856] R10: 0000000000000e7b R11: 0000000000000246 R12: 00007fa4a2435620
[   90.366180][ T5856] R13: 0000200000000140 R14: 00002000000001c0 R15: 0000200000000080
[   90.374157][ T5856]  </TASK>
[   90.377178][ T5856] Modules linked in:
[   90.381351][ T5856] ---[ end trace 0000000000000000 ]---
[   90.382970][ T5878] Oops: invalid opcode: 0000 [#2] SMP KASAN PTI
[   90.393081][ T5878] CPU: 0 UID: 0 PID: 5878 Comm: syz-executor355 Tainted: G      D             6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 PREEMPT(full) 
[   90.403035][ T5854] EXT4-fs (loop2): Total free blocks count 0
[   90.407076][ T5878] Tainted: [D]=DIE
[   90.407085][ T5878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   90.407096][ T5878] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0
[   90.413089][ T5857] EXT4-fs (loop4): Free/Dirty block details
[   90.416778][ T5878] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 3c 95 b6 ff e9 99 e7 ff ff e8 a2 3d 55 ff 90 0f 0b e8 9a 3d 55 ff 90 <0f> 0b e8 92 3d 55 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c
[   90.416795][ T5878] RSP: 0018:ffffc900044fec60 EFLAGS: 00010293
[   90.427626][ T5854] EXT4-fs (loop2): Free/Dirty block details
[   90.433245][ T5878] 
[   90.433253][ T5878] RAX: ffffffff826af7b6 RBX: 0000000000000020 RCX: ffff88807b215a00
[   90.433269][ T5878] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000020
[   90.433280][ T5878] RBP: ffffc900044fee10 R08: ffff8880771d4747 R09: 1ffff1100ee3a8e8
[   90.439258][ T5857] EXT4-fs (loop4): free_blocks=16
[   90.458751][ T5878] R10: dffffc0000000000 R11: ffffed100ee3a8e9 R12: 0000000000000020
[   90.458767][ T5878] R13: dffffc0000000000 R14: ffff888073745448 R15: ffff8880270f3600
[   90.458780][ T5878] FS:  00007fa4a23756c0(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000
[   90.464879][ T5854] EXT4-fs (loop2): free_blocks=16
[   90.470708][ T5878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.473030][ T5854] EXT4-fs (loop2): dirty_blocks=0
[   90.480989][ T5878] CR2: 00007f42dc5c1000 CR3: 00000000767f2000 CR4: 00000000003526f0
[   90.481009][ T5878] Call Trace:
[   90.489198][ T5857] EXT4-fs (loop4): dirty_blocks=0
[   90.497202][ T5878]  <TASK>
[   90.497218][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.502240][ T5854] EXT4-fs (loop2): Block reservation details
[   90.510546][ T5878]  ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x200
[   90.510582][ T5878]  ? __pfx_ext4_ext_insert_extent+0x10/0x10
[   90.518683][ T5857] EXT4-fs (loop4): Block reservation details
[   90.527524][ T5878]  ext4_ext_map_blocks+0x1792/0x6ac0
[   90.535740][ T5854] EXT4-fs (loop2): i_reserved_data_blocks=0
[   90.539128][ T5878]  ? unwind_next_frame+0xa5/0x2390
[   90.544181][ T5857] EXT4-fs (loop4): i_reserved_data_blocks=0
[   90.552097][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.556574][ T3574] EXT4-fs error (device loop2): ext4_find_extent:939: inode #16: comm kworker/u8:10: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 6, max 84(84), depth 0(0)
[   90.560383][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.563484][ T2994] EXT4-fs error (device loop4): ext4_find_extent:939: inode #16: comm kworker/u8:8: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 7, max 84(84), depth 0(0)
[   90.568058][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.574151][ T5856] RIP: 0010:ext4_ext_insert_extent+0x4ab7/0x4af0
[   90.581122][ T5878]  ? ext4_map_blocks+0x83b/0x18d0
[   90.587134][ T5856] Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c a6 e7 ff ff 48 89 df e8 3c 95 b6 ff e9 99 e7 ff ff e8 a2 3d 55 ff 90 0f 0b e8 9a 3d 55 ff 90 <0f> 0b e8 92 3d 55 ff 90 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c
[   90.593128][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.598417][ T5856] RSP: 0018:ffffc9000437ec60 EFLAGS: 00010293
[   90.604270][ T5878]  ? __pfx_ext4_ext_map_blocks+0x10/0x10
[   90.609382][ T5856] 
[   90.615255][ T5878]  ? lock_acquire+0x5f/0x360
[   90.615285][ T5878]  ext4_map_blocks+0x931/0x18d0
[   90.620019][ T5856] RAX: ffffffff826af7b6 RBX: 000000000000001d RCX: ffff88802dd18000
[   90.638051][ T5878]  ? kasan_save_track+0x4f/0x80
[   90.642811][ T5856] RDX: 0000000000000000 RSI: 000000000000001d RDI: 000000000000001d
[   90.660752][ T5878]  ? __pfx_ext4_map_blocks+0x10/0x10
[   90.660773][ T5878]  ? ext4_buffered_write_iter+0xce/0x3a0
[   90.660795][ T5878]  ? ext4_file_write_iter+0x182a/0x1bc0
[   90.660815][ T5878]  ? do_iter_readv_writev+0x56b/0x7f0
[   90.665610][ T5856] RBP: ffffc9000437ee10 R08: ffff8880738b3ae7 R09: 1ffff1100e71675c
[   90.671879][ T5878]  ? vfs_writev+0x31a/0x960
[   90.676907][ T5856] R10: dffffc0000000000 R11: ffffed100e71675d R12: 000000000000001d
[   90.696568][ T5878]  ? __se_sys_pwritev2+0x179/0x290
[   90.696595][ T5878]  ? do_syscall_64+0xfa/0x3b0
[   90.701844][ T5856] R13: dffffc0000000000 R14: ffff8880721f643c R15: ffff888027204700
[   90.707410][ T5878]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.707439][ T5878]  _ext4_get_block+0x200/0x4c0
[   90.713060][ T5856] FS:  00007fa4a23966c0(0000) GS:ffff888125d4f000(0000) knlGS:0000000000000000
[   90.715380][ T5878]  ? __pfx__ext4_get_block+0x10/0x10
[   90.715407][ T5878]  ext4_get_block_unwritten+0x2e/0x100
[   90.715429][ T5878]  ext4_block_write_begin+0x6f8/0x14b0
[   90.715453][ T5878]  ? __pfx_ext4_get_block_unwritten+0x10/0x10
[   90.715473][ T5878]  ? __pfx_ext4_block_write_begin+0x10/0x10
[   90.715495][ T5878]  ? folio_mapping+0x16f/0x240
[   90.729563][ T2994] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4940: inode #16: block 63: len 1: ext4_ext_map_blocks returned -117
[   90.732907][ T5878]  ? ext4_inode_journal_mode+0x18c/0x480
[   90.737805][ T3574] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4940: inode #16: block 63: len 1: ext4_ext_map_blocks returned -117
[   90.745803][ T5878]  ext4_write_begin+0xa4f/0x1680
[   90.745826][ T5878]  ? ext4_mark_iloc_dirty+0x6f3/0x1ca0
[   90.751135][ T2994] EXT4-fs (loop4): failed to convert unwritten extents to written extents -- potential data loss!  (inode 16, error -117)
[   90.756735][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.756759][ T5878]  ? __pfx_ext4_write_begin+0x10/0x10
[   90.762597][ T3574] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss!  (inode 16, error -117)
[   90.767747][ T5878]  ? lock_release+0x4b/0x3e0
[   90.767769][ T5878]  ? down_write+0x162/0x1f0
[   90.767790][ T5878]  ext4_da_write_begin+0x449/0xd20
[   90.767811][ T5878]  ? rcu_is_watching+0x15/0xb0
[   90.780992][ T2994] EXT4-fs error (device loop4): ext4_find_extent:939: inode #16: comm kworker/u8:8: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 7, max 84(84), depth 0(0)
[   90.788261][ T5878]  ? lock_release+0x4b/0x3e0
[   90.788284][ T5878]  ? __pfx_ext4_da_write_begin+0x10/0x10
[   90.788307][ T5878]  generic_perform_write+0x2c4/0x910
[   90.793794][ T3574] EXT4-fs error (device loop2): ext4_find_extent:939: inode #16: comm kworker/u8:10: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 6, max 84(84), depth 0(0)
[   90.798067][ T5878]  ? __pfx_generic_perform_write+0x10/0x10
[   90.806226][ T5856] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.812074][ T5878]  ? file_modified_flags+0x374/0x560
[   90.817345][ T2994] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4940: inode #16: block 64: len 1: ext4_ext_map_blocks returned -117
[   90.825828][ T5878]  ? ext4_write_checks+0x24b/0x2c0
[   90.825856][ T5878]  ext4_buffered_write_iter+0xce/0x3a0
[   90.831496][ T3574] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4940: inode #16: block 64: len 1: ext4_ext_map_blocks returned -117
[   90.836586][ T5878]  ext4_file_write_iter+0x182a/0x1bc0
[   90.836619][ T5878]  ? __pfx_ext4_file_write_iter+0x10/0x10
[   90.842543][ T2994] EXT4-fs error (device loop4): ext4_find_extent:939: inode #16: comm kworker/u8:8: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 7, max 84(84), depth 0(0)
[   90.848111][ T5878]  do_iter_readv_writev+0x56b/0x7f0
[   90.848142][ T5878]  ? __pfx_do_iter_readv_writev+0x10/0x10
[   90.854038][ T5856] CR2: 00007fff12275000 CR3: 000000003299c000 CR4: 00000000003526f0
[   90.858764][ T5878]  ? rcu_read_lock_any_held+0xb3/0x120
[   90.858793][ T5878]  vfs_writev+0x31a/0x960
[   90.879131][ T3574] EXT4-fs error (device loop2): ext4_find_extent:939: inode #16: comm kworker/u8:10: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 6, max 84(84), depth 0(0)
[   90.891709][ T5878]  ? __lock_acquire+0xab9/0xd20
[   90.891734][ T5878]  ? __pfx_vfs_writev+0x10/0x10
[   90.891759][ T5878]  ? __fget_files+0x2a/0x420
[   90.891777][ T5878]  ? __fget_files+0x3a0/0x420
[   90.891792][ T5878]  ? __fget_files+0x2a/0x420
[   90.898717][ T2994] EXT4-fs warning (device loop4): ext4_convert_unwritten_extents:4940: inode #16: block 68: len 12: ext4_ext_map_blocks returned -117
[   90.902158][ T5878]  __se_sys_pwritev2+0x179/0x290
[   90.902192][ T5878]  ? __pfx___se_sys_pwritev2+0x10/0x10
[   90.916379][ T5856] Kernel panic - not syncing: Fatal exception
[   91.192720][ T5856] Kernel Offset: disabled
[   91.197040][ T5856] Rebooting in 86400 seconds..