./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2215669587

<...>
Warning: Permanently added '10.128.0.70' (ED25519) to the list of known hosts.
execve("./syz-executor2215669587", ["./syz-executor2215669587"], 0x7ffd35b910d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55555b1f8000
brk(0x55555b1f8d40)                     = 0x55555b1f8d40
arch_prctl(ARCH_SET_FS, 0x55555b1f83c0) = 0
set_tid_address(0x55555b1f8690)         = 289
set_robust_list(0x55555b1f86a0, 24)     = 0
rseq(0x55555b1f8ce0, 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-executor2215669587", 4096) = 28
getrandom("\x36\x12\x35\x56\x4e\x4b\xb9\xb1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555b1f8d40
brk(0x55555b219d40)                     = 0x55555b219d40
brk(0x55555b21a000)                     = 0x55555b21a000
mprotect(0x7f390a7e3000, 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=0x55555b1f8690) = 290
./strace-static-x86_64: Process 290 attached
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   290] set_robust_list(0x55555b1f86a0, 24) = 0
./strace-static-x86_64: Process 291 attached
[pid   289] <... clone resumed>, child_tidptr=0x55555b1f8690) = 291
[pid   291] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   291] <... set_robust_list resumed>) = 0
[pid   290] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   289] <... clone resumed>, child_tidptr=0x55555b1f8690) = 292
./strace-static-x86_64: Process 292 attached
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   292] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   289] <... clone resumed>, child_tidptr=0x55555b1f8690) = 293
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 293 attached
 <unfinished ...>
[pid   292] <... set_robust_list resumed>) = 0
[pid   289] <... clone resumed>, child_tidptr=0x55555b1f8690) = 294
[pid   292] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 294 attached
 <unfinished ...>
[pid   293] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[   28.999720][   T28] audit: type=1400 audit(1752534856.746:64): avc:  denied  { execmem } for  pid=289 comm="syz-executor221" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   291] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program
) = 3
[pid   292] <... openat resumed>)       = 3
[pid   290] <... openat resumed>)       = 3
[pid   290] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   291] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   290] close(3 <unfinished ...>
[pid   291] close(3 <unfinished ...>
[pid   290] <... close resumed>)        = 0
[pid   291] <... close resumed>)        = 0
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   290] <... clone resumed>, child_tidptr=0x55555b1f8690) = 296
[pid   291] <... clone resumed>, child_tidptr=0x55555b1f8690) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55555b1f86a0, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setpgid(0, 0)               = 0
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "1000", 4)         = 4
[pid   297] close(3)                    = 0
[pid   297] write(1, "executing program\n", 18) = 18
[pid   297] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] rt_sigaction(SIGRT_1, {sa_handler=0x7f390a7767e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f390a767e90}, NULL, 8) = 0
[pid   297] 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) = 0x7f390a6ed000
[pid   297] mprotect(0x7f390a6ee000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   297] rt_sigprocmask(SIG_BLOCK, ~[], [], 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=0x7f390a70d990, parent_tid=0x7f390a70d990, exit_signal=0, stack=0x7f390a6ed000, stack_size=0x20300, tls=0x7f390a70d6c0} => {parent_tid=[299]}, 88) = 299
[pid   297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   292] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   293] <... set_robust_list resumed>) = 0
[pid   292] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   292] close(3./strace-static-x86_64: Process 296 attached
 <unfinished ...>
[pid   294] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   293] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   292] <... close resumed>)        = 0
./strace-static-x86_64: Process 299 attached
[pid   299] set_robust_list(0x7f390a70d9a0, 24) = 0
[pid   299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   294] <... set_robust_list resumed>) = 0
[pid   293] <... openat resumed>)       = 3
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   296] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   293] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   292] <... clone resumed>, child_tidptr=0x55555b1f8690) = 300
[pid   299] memfd_create("syzkaller", 0 <unfinished ...>
[pid   294] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   293] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   293] close(3 <unfinished ...>
[pid   299] <... memfd_create resumed>) = 3
[pid   299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f39022ed000
[pid   294] <... openat resumed>)       = 3
[pid   293] <... close resumed>)        = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   296] <... set_robust_list resumed>) = 0
[pid   294] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   294] close(3 <unfinished ...>
[pid   293] <... clone resumed>, child_tidptr=0x55555b1f8690) = 301
[pid   294] <... close resumed>)        = 0
[pid   294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   294] <... clone resumed>, child_tidptr=0x55555b1f8690) = 302
[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
executing program
[pid   296] write(1, "executing program\n", 18) = 18
[pid   296] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 301 attached
./strace-static-x86_64: Process 300 attached
) = 0
[pid   301] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   300] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   296] rt_sigaction(SIGRT_1, {sa_handler=0x7f390a7767e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f390a767e90},  <unfinished ...>
[pid   301] <... set_robust_list resumed>) = 0
[pid   300] <... set_robust_list resumed>) = 0
[pid   296] <... rt_sigaction resumed>NULL, 8) = 0
[pid   300] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid   301] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   300] <... prctl resumed>)        = 0
[pid   296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   301] <... prctl resumed>)        = 0
[pid   300] setpgid(0, 0 <unfinished ...>
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   301] setpgid(0, 0 <unfinished ...>
[pid   300] <... setpgid resumed>)      = 0
[pid   296] <... mmap resumed>)         = 0x7f390a6ed000
[pid   301] <... setpgid resumed>)      = 0
[pid   300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   296] mprotect(0x7f390a6ee000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   296] <... mprotect resumed>)     = 0
[pid   296] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   301] <... openat resumed>)       = 3
[pid   300] <... openat resumed>)       = 3
[pid   296] <... rt_sigprocmask resumed>[], 8) = 0
[pid   301] write(3, "1000", 4 <unfinished ...>
[pid   300] write(3, "1000", 4 <unfinished ...>
[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=0x7f390a70d990, parent_tid=0x7f390a70d990, exit_signal=0, stack=0x7f390a6ed000, stack_size=0x20300, tls=0x7f390a70d6c0} <unfinished ...>
[pid   300] <... write resumed>)        = 4
[pid   296] <... clone3 resumed> => {parent_tid=[303]}, 88) = 303
[pid   301] <... write resumed>)        = 4
[pid   300] close(3 <unfinished ...>
[pid   296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   301] close(3 <unfinished ...>
[pid   300] <... close resumed>)        = 0
[pid   296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   301] <... close resumed>)        = 0
[pid   300] write(1, "executing program\n", 18 <unfinished ...>
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000executing program
executing program
 <unfinished ...>
[pid   301] write(1, "executing program\n", 18 <unfinished ...>
[pid   300] <... write resumed>)        = 18
[pid   296] <... futex resumed>)        = 0
[pid   301] <... write resumed>)        = 18
[pid   301] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   300] <... futex resumed>)        = 0
[pid   301] rt_sigaction(SIGRT_1, {sa_handler=0x7f390a7767e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f390a767e90},  <unfinished ...>
[pid   300] rt_sigaction(SIGRT_1, {sa_handler=0x7f390a7767e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f390a767e90},  <unfinished ...>
[pid   301] <... rt_sigaction resumed>NULL, 8) = 0
[pid   300] <... rt_sigaction resumed>NULL, 8) = 0
[pid   301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid   300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1],  <unfinished ...>
[pid   301] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   300] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   301] <... mmap resumed>)         = 0x7f390a6ed000
[pid   300] <... mmap resumed>)         = 0x7f390a6ed000
[pid   301] mprotect(0x7f390a6ee000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   300] mprotect(0x7f390a6ee000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 303 attached
 <unfinished ...>
[pid   301] <... mprotect resumed>)     = 0
[pid   300] <... mprotect resumed>)     = 0
[pid   303] set_robust_list(0x7f390a70d9a0, 24 <unfinished ...>
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   303] <... set_robust_list resumed>) = 0
[pid   301] <... rt_sigprocmask resumed>[], 8) = 0
[   29.028444][   T28] audit: type=1400 audit(1752534856.776:65): avc:  denied  { read write } for  pid=292 comm="syz-executor221" name="loop2" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[],  <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"..., 262144./strace-static-x86_64: Process 302 attached
 <unfinished ...>
[pid   302] set_robust_list(0x55555b1f86a0, 24 <unfinished ...>
[pid   299] <... write resumed>)        = 262144
[pid   302] <... set_robust_list resumed>) = 0
[pid   302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   302] setpgid(0, 0)               = 0
[pid   302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   302] write(3, "1000", 4)         = 4
[pid   302] close(3)                    = 0
[pid   302] write(1, "executing program\n", 18executing program
) = 18
[pid   302] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] rt_sigaction(SIGRT_1, {sa_handler=0x7f390a7767e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f390a767e90}, NULL, 8) = 0
[pid   302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f390a6ed000
[pid   302] mprotect(0x7f390a6ee000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   299] munmap(0x7f39022ed000, 138412032 <unfinished ...>
[pid   302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a70d990, parent_tid=0x7f390a70d990, exit_signal=0, stack=0x7f390a6ed000, stack_size=0x20300, tls=0x7f390a70d6c0} <unfinished ...>
[pid   299] <... munmap resumed>)       = 0
[pid   302] <... clone3 resumed> => {parent_tid=[304]}, 88) = 304
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid   299] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   303] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a70d990, parent_tid=0x7f390a70d990, exit_signal=0, stack=0x7f390a6ed000, stack_size=0x20300, tls=0x7f390a70d6c0} <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>[], 8) = 0
./strace-static-x86_64: Process 304 attached
[pid   304] set_robust_list(0x7f390a70d9a0, 24) = 0
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   304] memfd_create("syzkaller", 0) = 3
[pid   304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f39022ed000
[   29.070035][   T28] audit: type=1400 audit(1752534856.776:66): avc:  denied  { read write } for  pid=291 comm="syz-executor221" name="loop1" dev="devtmpfs" ino=119 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   29.094074][  T299] loop1: detected capacity change from 0 to 512
[pid   304] 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"..., 262144) = 262144
[pid   304] munmap(0x7f39022ed000, 138412032) = 0
[pid   304] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   304] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   303] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a70d990, parent_tid=0x7f390a70d990, exit_signal=0, stack=0x7f390a6ed000, stack_size=0x20300, tls=0x7f390a70d6c0}./strace-static-x86_64: Process 305 attached
 <unfinished ...>
[pid   305] set_robust_list(0x7f390a70d9a0, 24) = 0
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... ioctl resumed>)        = 0
[pid   299] close(3)                    = 0
[pid   299] close(4)                    = 0
[pid   299] mkdir("./file0", 0777)      = 0
[   29.099067][   T28] audit: type=1400 audit(1752534856.776:67): avc:  denied  { open } for  pid=292 comm="syz-executor221" path="/dev/loop2" dev="devtmpfs" ino=120 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   29.126230][  T304] loop4: detected capacity change from 0 to 512
[pid   299] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" <unfinished ...>
[pid   303] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] <... clone3 resumed> => {parent_tid=[305]}, 88) = 305
[pid   303] <... memfd_create resumed>) = 3
[pid   301] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 306 attached
 <unfinished ...>
[pid   306] set_robust_list(0x7f390a70d9a0, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   301] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   300] <... clone3 resumed> => {parent_tid=[306]}, 88) = 306
[pid   303] <... mmap resumed>)         = 0x7f39022ed000
[pid   301] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   301] <... futex resumed>)        = 1
[pid   305] <... futex resumed>)        = 0
[pid   304] <... ioctl resumed>)        = 0
[pid   303] 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"..., 262144 <unfinished ...>
[pid   301] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   300] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   304] close(3 <unfinished ...>
[pid   303] <... write resumed>)        = 262144
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... close resumed>)        = 0
[pid   300] <... futex resumed>)        = 1
[pid   306] <... futex resumed>)        = 0
[pid   305] memfd_create("syzkaller", 0 <unfinished ...>
[pid   304] close(4 <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   306] memfd_create("syzkaller", 0 <unfinished ...>
[pid   305] <... memfd_create resumed>) = 3
[pid   304] <... close resumed>)        = 0
[   29.139252][   T28] audit: type=1400 audit(1752534856.776:68): avc:  denied  { ioctl } for  pid=290 comm="syz-executor221" path="/dev/loop0" dev="devtmpfs" ino=118 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   29.174443][   T28] audit: type=1400 audit(1752534856.896:69): avc:  denied  { mounton } for  pid=297 comm="syz-executor221" path="/root/file0" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   29.182524][  T299] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
[pid   303] munmap(0x7f39022ed000, 138412032 <unfinished ...>
[pid   304] mkdir("./file0", 0777 <unfinished ...>
[pid   303] <... munmap resumed>)       = 0
[pid   304] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid   303] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   304] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" <unfinished ...>
[pid   303] <... openat resumed>)       = 4
[pid   303] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   306] <... memfd_create resumed>) = 3
[pid   305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f39022ed000
[pid   305] <... mmap resumed>)         = 0x7f39022ed000
[pid   303] <... ioctl resumed>)        = 0
[pid   303] close(3)                    = 0
[pid   303] close(4)                    = 0
[pid   303] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   303] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" <unfinished ...>
[pid   305] 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"..., 262144 <unfinished ...>
[pid   306] 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"..., 262144 <unfinished ...>
[pid   305] <... write resumed>)        = 262144
[pid   306] <... write resumed>)        = 262144
[pid   306] munmap(0x7f39022ed000, 138412032 <unfinished ...>
[pid   305] munmap(0x7f39022ed000, 138412032 <unfinished ...>
[pid   306] <... munmap resumed>)       = 0
[pid   306] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   305] <... munmap resumed>)       = 0
[pid   306] <... openat resumed>)       = 4
[pid   305] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   306] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   305] <... openat resumed>)       = 4
[   29.221451][  T303] loop0: detected capacity change from 0 to 512
[   29.252608][  T306] loop2: detected capacity change from 0 to 512
[pid   305] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid   306] <... ioctl resumed>)        = 0
[pid   306] close(3)                    = 0
[pid   306] close(4)                    = 0
[pid   306] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   306] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" <unfinished ...>
[pid   305] <... ioctl resumed>)        = 0
[pid   305] close(3)                    = 0
[pid   305] close(4)                    = 0
[pid   305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   29.267712][  T305] loop3: detected capacity change from 0 to 512
[   29.286461][  T299] EXT4-fs error (device loop1): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.303777][  T304] EXT4-fs error (device loop4): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.318490][  T299] EXT4-fs error (device loop1): ext4_dirty_inode:6120: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.318535][  T303] EXT4-fs error (device loop0): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.335641][  T299] EXT4-fs error (device loop1): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.360025][  T304] EXT4-fs error (device loop4): ext4_dirty_inode:6120: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.361961][  T299] EXT4-fs error (device loop1): __ext4_ext_dirty:202: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.379632][  T303] EXT4-fs error (device loop0): ext4_dirty_inode:6120: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.395794][  T299] Quota error (device loop1): write_blk: dquota write failed
[   29.402654][  T306] EXT4-fs error (device loop2): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.408435][  T304] EXT4-fs error (device loop4): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.430003][  T299] Quota error (device loop1): qtree_write_dquot: Error -117 occurred while creating quota
[   29.434580][  T306] EXT4-fs error (device loop2): ext4_dirty_inode:6120: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.445086][  T299] EXT4-fs error (device loop1): ext4_acquire_dquot:6801: comm syz-executor221: Failed to acquire dquot type 0
[   29.458158][  T303] EXT4-fs error (device loop0): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.470791][  T304] EXT4-fs error (device loop4): __ext4_ext_dirty:202: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.486619][  T299] EXT4-fs (loop1): 1 orphan inode deleted
[   29.498434][   T43] Quota error (device loop1): do_check_range: Getting dqdh_entries 15 out of range 0-14
[   29.503746][  T304] Quota error (device loop4): write_blk: dquota write failed
[   29.512343][   T43] EXT4-fs error (device loop1): ext4_release_dquot:6837: comm kworker/u4:2: Failed to release dquot type 1
[   29.524232][  T305] EXT4-fs error (device loop3): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.531995][  T299] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   29.546022][  T303] EXT4-fs error (device loop0): __ext4_ext_dirty:202: inode #3: comm syz-executor221: mark_inode_dirty error
[pid   305] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" <unfinished ...>
[pid   299] <... mount resumed>)        = 0
[pid   299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   299] chdir("./file0")            = 0
[   29.555908][  T299] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   29.569399][  T306] EXT4-fs error (device loop2): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[   29.583051][  T304] EXT4-fs error (device loop4): ext4_acquire_dquot:6801: comm syz-executor221: Failed to acquire dquot type 0
[   29.599957][  T305] EXT4-fs error (device loop3): ext4_dirty_inode:6120: inode #3: comm syz-executor221: mark_inode_dirty error
[pid   299] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[   29.612941][  T304] EXT4-fs (loop4): 1 orphan inode deleted
[   29.622901][  T303] EXT4-fs error (device loop0): ext4_acquire_dquot:6801: comm syz-executor221: Failed to acquire dquot type 0
[   29.629083][  T304] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[   29.642608][  T306] EXT4-fs error (device loop2): __ext4_ext_dirty:202: inode #3: comm syz-executor221: mark_inode_dirty error
[pid   299] ioctl(4, LOOP_CLR_FD)       = 0
[pid   299] close(4)                    = 0
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   299] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[   29.654060][   T43] EXT4-fs error (device loop4): ext4_release_dquot:6837: comm kworker/u4:2: Failed to release dquot type 1
[   29.667193][  T303] EXT4-fs (loop0): 1 orphan inode deleted
[   29.684922][  T304] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   29.692812][  T303] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[   29.697296][  T305] EXT4-fs error (device loop3): ext4_do_update_inode:5255: inode #3: comm syz-executor221: corrupted inode contents
[pid   304] <... mount resumed>)        = 0
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   304] chdir("./file0")            = 0
[pid   304] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4
[pid   304] ioctl(4, LOOP_CLR_FD)       = 0
[pid   304] close(4)                    = 0
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   304] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   297] <... futex resumed>)        = 1
[pid   299] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 060 <unfinished ...>
[   29.706658][   T43] EXT4-fs error (device loop0): ext4_release_dquot:6837: comm kworker/u4:2: Failed to release dquot type 1
[   29.719136][  T305] EXT4-fs error (device loop3): __ext4_ext_dirty:202: inode #3: comm syz-executor221: mark_inode_dirty error
[   29.731012][  T306] EXT4-fs error (device loop2): ext4_acquire_dquot:6801: comm syz-executor221: Failed to acquire dquot type 0
[   29.743714][  T305] EXT4-fs error (device loop3): ext4_acquire_dquot:6801: comm syz-executor221: Failed to acquire dquot type 0
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   299] <... open resumed>)         = 4
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   302] <... futex resumed>)        = 1
[pid   299] <... futex resumed>)        = 1
[pid   297] <... futex resumed>)        = 0
[pid   304] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 060) = 4
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... mount resumed>)        = 0
[pid   304] <... futex resumed>)        = 0
[pid   303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   304] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] <... openat resumed>)       = 3
[pid   303] chdir("./file0")            = 0
[pid   303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   303] ioctl(4, LOOP_CLR_FD)       = 0
[pid   303] close(4)                    = 0
[pid   302] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   299] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   297] <... futex resumed>)        = 0
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   296] <... futex resumed>)        = 0
[pid   303] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 060 <unfinished ...>
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0 <unfinished ...>
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   303] <... open resumed>)         = 4
[pid   302] <... futex resumed>)        = 1
[pid   304] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0 <unfinished ...>
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   303] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0 <unfinished ...>
[   29.772626][  T303] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   29.776735][  T306] EXT4-fs (loop2): 1 orphan inode deleted
[   29.792581][    T8] EXT4-fs error (device loop2): ext4_release_dquot:6837: comm kworker/u4:0: Failed to release dquot type 1
[   29.795774][  T306] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   29.810708][  T305] EXT4-fs (loop3): 1 orphan inode deleted
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   302] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   297] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   302] <... futex resumed>)        = 0
[pid   297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f390a6cc000
[pid   302] mprotect(0x7f390a6cd000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a6ec990, parent_tid=0x7f390a6ec990, exit_signal=0, stack=0x7f390a6cc000, stack_size=0x20300, tls=0x7f390a6ec6c0} => {parent_tid=[320]}, 88) = 320
[pid   302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   302] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   29.849731][  T305] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   29.861270][    T8] EXT4-fs error (device loop3): ext4_release_dquot:6837: comm kworker/u4:0: Failed to release dquot type 1
[   29.879882][  T306] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[pid   302] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 320 attached
 <unfinished ...>
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   320] set_robust_list(0x7f390a6ec9a0, 24 <unfinished ...>
[pid   296] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   320] <... set_robust_list resumed>) = 0
[pid   320] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   320] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   296] <... mmap resumed>)         = 0x7f390a6cc000
[pid   320] memfd_create("syzkaller", 0 <unfinished ...>
[pid   296] mprotect(0x7f390a6cd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   320] <... memfd_create resumed>) = 5
[pid   296] <... mprotect resumed>)     = 0
[pid   320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   296] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   320] <... mmap resumed>)         = 0x7f39022cc000
[pid   296] <... rt_sigprocmask resumed>[], 8) = 0
[pid   297] <... mmap resumed>)         = 0x7f390a6cc000
[pid   297] mprotect(0x7f390a6cd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[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=0x7f390a6ec990, parent_tid=0x7f390a6ec990, exit_signal=0, stack=0x7f390a6cc000, stack_size=0x20300, tls=0x7f390a6ec6c0} <unfinished ...>
[pid   297] <... mprotect resumed>)     = 0
[pid   320] write(5, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid   296] <... clone3 resumed> => {parent_tid=[321]}, 88) = 321
[pid   297] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   296] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   297] <... rt_sigprocmask resumed>[], 8) = 0
[pid   296] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   320] <... write resumed>)        = 131072
[pid   320] munmap(0x7f39022cc000, 138412032 <unfinished ...>
[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=0x7f390a6ec990, parent_tid=0x7f390a6ec990, exit_signal=0, stack=0x7f390a6cc000, stack_size=0x20300, tls=0x7f390a6ec6c0} <unfinished ...>
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   320] <... munmap resumed>)       = 0
[pid   296] <... futex resumed>)        = 0
[pid   297] <... clone3 resumed> => {parent_tid=[322]}, 88) = 322
[pid   297] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   320] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   297] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   320] <... openat resumed>)       = 6
[pid   320] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   306] <... mount resumed>)        = 0
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   320] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   320] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid   306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   320] <... ioctl resumed>)        = 0
[pid   306] <... openat resumed>)       = 3
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   306] chdir("./file0" <unfinished ...>
[pid   320] ioctl(6, LOOP_SET_FD, 5)    = -1 EBUSY (Device or resource busy)
[pid   306] <... chdir resumed>)        = 0
[pid   320] close(6 <unfinished ...>
[pid   306] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   320] <... close resumed>)        = 0
./strace-static-x86_64: Process 321 attached
[pid   320] close(5 <unfinished ...>
[pid   306] <... openat resumed>)       = 4
[pid   299] <... mmap resumed>)         = 0x200000000000
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   299] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 322 attached
 <unfinished ...>
[pid   322] set_robust_list(0x7f390a6ec9a0, 24) = 0
[pid   322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   322] memfd_create("syzkaller", 0) = 5
[pid   322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f39022cc000
[pid   322] write(5, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072
[pid   322] munmap(0x7f39022cc000, 138412032 <unfinished ...>
[pid   321] set_robust_list(0x7f390a6ec9a0, 24 <unfinished ...>
[pid   320] <... close resumed>)        = 0
[pid   306] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid   320] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   306] <... ioctl resumed>)        = 0
[pid   321] <... set_robust_list resumed>) = 0
[pid   320] <... futex resumed>)        = 1
[pid   306] close(4 <unfinished ...>
[pid   320] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... munmap resumed>)       = 0
[pid   322] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 6
[pid   322] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   321] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   306] <... close resumed>)        = 0
[pid   321] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   322] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid   320] <... open resumed>)         = 5
[pid   306] <... futex resumed>)        = 1
[pid   300] <... futex resumed>)        = 0
[pid   320] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   320] <... futex resumed>)        = 1
[pid   306] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 060 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   320] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   321] memfd_create("syzkaller", 0 <unfinished ...>
[pid   302] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] <... memfd_create resumed>) = 5
[pid   320] <... futex resumed>)        = 0
[pid   306] <... open resumed>)         = 4
[pid   302] <... futex resumed>)        = 1
[pid   321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   320] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY <unfinished ...>
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   320] <... openat resumed>)       = 6
[pid   306] <... futex resumed>)        = 1
[pid   300] <... futex resumed>)        = 0
[pid   320] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] <... mmap resumed>)         = 0x7f39022cc000
[pid   320] <... futex resumed>)        = 1
[pid   306] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   300] <... futex resumed>)        = 0
[pid   320] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   302] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   320] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   302] <... futex resumed>)        = 0
[pid   320] read(6,  <unfinished ...>
[pid   302] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... ioctl resumed>)        = 0
[pid   305] <... mount resumed>)        = 0
[pid   305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid   322] ioctl(6, LOOP_SET_FD, 5)    = -1 EBUSY (Device or resource busy)
[pid   322] close(6)                    = 0
[pid   322] close(5)                    = 0
[pid   305] chdir("./file0")            = 0
[pid   305] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid   305] ioctl(4, LOOP_CLR_FD)       = 0
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] write(5, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid   305] close(4 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   297] <... futex resumed>)        = 1
[pid   299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... open resumed>)         = 5
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   297] <... futex resumed>)        = 0
[pid   299] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY <unfinished ...>
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... openat resumed>)       = 6
[pid   297] <... futex resumed>)        = 0
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... futex resumed>)        = 0
[pid   297] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   299] read(6,  <unfinished ...>
[pid   297] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] <... mmap resumed>)         = 0x200000000000
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... futex resumed>)        = 1
[pid   321] <... write resumed>)        = 131072
[pid   322] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] <... close resumed>)        = 0
[pid   305] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] <... futex resumed>)        = 0
[pid   301] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   301] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   305] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 060 <unfinished ...>
[pid   321] munmap(0x7f39022cc000, 138412032) = 0
[   29.894530][  T305] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[pid   321] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid   305] <... open resumed>)         = 4
[pid   305] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   301] <... futex resumed>)        = 0
[pid   321] <... openat resumed>)       = 6
[pid   301] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   301] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   321] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   305] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0 <unfinished ...>
[pid   321] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid   303] <... mmap resumed>)         = 0x200000000000
[pid   321] <... ioctl resumed>)        = 0
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   303] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   304] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   321] ioctl(6, LOOP_SET_FD, 5)    = -1 EBUSY (Device or resource busy)
[pid   321] close(6)                    = 0
[pid   321] close(5)                    = 0
[pid   321] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   321] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   321] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} <unfinished ...>
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... futex resumed>)        = 0
[pid   302] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   300] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   296] <... futex resumed>)        = 1
[pid   303] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] <... futex resumed>)        = 0
[pid   303] <... open resumed>)         = 5
[pid   302] <... futex resumed>)        = 1
[pid   300] <... futex resumed>)        = 0
[pid   304] mount("/dev/loop4", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   304] <... mount resumed>)        = 0
[pid   303] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] <... mmap resumed>)         = 0x7f390a6cc000
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   303] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   302] <... futex resumed>)        = 0
[pid   300] mprotect(0x7f390a6cd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   304] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   303] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY <unfinished ...>
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   303] <... openat resumed>)       = 6
[pid   302] <... futex resumed>)        = 0
[pid   300] <... mprotect resumed>)     = 0
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   304] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_DIRECT|O_CLOEXEC|FASYNC <unfinished ...>
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] rt_sigprocmask(SIG_BLOCK, ~[],  <unfinished ...>
[pid   296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   304] <... open resumed>)         = 7
[pid   303] <... futex resumed>)        = 0
[pid   300] <... rt_sigprocmask resumed>[], 8) = 0
[pid   296] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] read(6,  <unfinished ...>
[pid   300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a6ec990, parent_tid=0x7f390a6ec990, exit_signal=0, stack=0x7f390a6cc000, stack_size=0x20300, tls=0x7f390a6ec6c0} <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   304] <... futex resumed>)        = 1
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   297] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... futex resumed>)        = 0
[pid   297] <... futex resumed>)        = 1
[pid   322] mount("/dev/loop1", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... mount resumed>)        = 0
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   297] <... futex resumed>)        = 0
[pid   322] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   297] <... futex resumed>)        = 0
[pid   322] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_DIRECT|O_CLOEXEC|FASYNC <unfinished ...>
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... open resumed>)         = 7
[pid   304] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 7, 0 <unfinished ...>
[pid   296] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   297] <... futex resumed>)        = 0
[pid   322] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   322] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   297] <... futex resumed>)        = 0
[pid   322] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 7, 0 <unfinished ...>
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   301] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   300] <... clone3 resumed> => {parent_tid=[323]}, 88) = 323
./strace-static-x86_64: Process 323 attached
[pid   301] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   323] set_robust_list(0x7f390a6ec9a0, 24 <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   300] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 <unfinished ...>
[pid   323] <... set_robust_list resumed>) = 0
[pid   300] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   301] <... mmap resumed>)         = 0x7f390a6cc000
[pid   300] <... futex resumed>)        = 0
[pid   323] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   301] mprotect(0x7f390a6cd000, 131072, PROT_READ|PROT_WRITE <unfinished ...>
[pid   300] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   301] <... mprotect resumed>)     = 0
[pid   301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   323] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f390a6ec990, parent_tid=0x7f390a6ec990, exit_signal=0, stack=0x7f390a6cc000, stack_size=0x20300, tls=0x7f390a6ec6c0} <unfinished ...>
[pid   323] <... memfd_create resumed>) = 5
[pid   322] <... mmap resumed>)         = 0x200000000000
[pid   323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] <... mmap resumed>)         = 0x200000000000
[pid   301] <... clone3 resumed> => {parent_tid=[324]}, 88) = 324
./strace-static-x86_64: Process 324 attached
[pid   323] <... mmap resumed>)         = 0x7f39022cc000
[pid   322] <... futex resumed>)        = 1
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] write(-1, 0x200000010140, 65546 <unfinished ...>
[pid   323] write(5, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid   301] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   324] set_robust_list(0x7f390a6ec9a0, 24 <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   302] <... futex resumed>)        = 0
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid   323] <... write resumed>)        = 131072
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   304] write(-1, 0x200000010140, 65546 <unfinished ...>
[pid   324] <... set_robust_list resumed>) = 0
[pid   323] munmap(0x7f39022cc000, 138412032 <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   324] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid   304] <... write resumed>)        = -1 EBADF (Bad file descriptor)
[pid   324] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid   323] <... munmap resumed>)       = 0
[pid   322] <... futex resumed>)        = 1
[pid   304] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   297] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   297] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] memfd_create("syzkaller", 0 <unfinished ...>
[pid   322] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 4, 65536 <unfinished ...>
[pid   323] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   304] <... futex resumed>)        = 1
[pid   302] <... futex resumed>)        = 0
[pid   324] <... memfd_create resumed>) = 5
[pid   323] <... openat resumed>)       = 6
[pid   304] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 4, 65536 <unfinished ...>
[pid   302] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   323] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   302] <... futex resumed>)        = 0
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   302] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... fallocate resumed>)    = 0
[pid   322] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] <... futex resumed>)        = 0
[pid   324] <... mmap resumed>)         = 0x7f39022cc000
[pid   323] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   296] <... futex resumed>)        = 1
[pid   323] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid   321] <... futex resumed>)        = 0
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   322] <... futex resumed>)        = 1
[pid   322] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] write(5, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid   321] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   323] <... ioctl resumed>)        = 0
[pid   324] <... write resumed>)        = 131072
[pid   324] munmap(0x7f39022cc000, 138412032 <unfinished ...>
[pid   321] <... mount resumed>)        = 0
[pid   324] <... munmap resumed>)       = 0
[pid   321] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   324] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6
[pid   321] <... futex resumed>)        = 1
[pid   296] <... futex resumed>)        = 0
[pid   324] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   321] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] ioctl(6, LOOP_CLR_FD <unfinished ...>
[pid   321] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_DIRECT|O_CLOEXEC|FASYNC <unfinished ...>
[pid   306] <... mmap resumed>)         = 0x200000000000
[pid   296] <... futex resumed>)        = 0
[pid   324] <... ioctl resumed>)        = 0
[pid   321] <... open resumed>)         = 7
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   321] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   306] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   323] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   321] <... futex resumed>)        = 0
[pid   306] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   321] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 7, 0 <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   323] close(6)                    = 0
[pid   321] <... mmap resumed>)         = 0x200000000000
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   321] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[   30.047276][  T322] EXT4-fs error (device loop1): ext4_xattr_block_get:546: inode #15: comm syz-executor221: corrupted xattr block 19
[   30.066266][  T304] EXT4-fs error (device loop4): ext4_xattr_block_get:546: inode #15: comm syz-executor221: corrupted xattr block 19
[pid   321] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid   323] close(5 <unfinished ...>
[pid   305] <... mmap resumed>)         = 0x200000000000
[pid   296] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   324] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   324] close(6 <unfinished ...>
[pid   323] <... close resumed>)        = 0
[pid   302] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   324] <... close resumed>)        = 0
[pid   323] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] <... futex resumed>)        = 1
[pid   324] close(5 <unfinished ...>
[pid   323] <... futex resumed>)        = 1
[pid   300] <... futex resumed>)        = 0
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] <... close resumed>)        = 0
[pid   321] <... futex resumed>)        = 0
[pid   324] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   323] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   324] <... futex resumed>)        = 1
[pid   301] <... futex resumed>)        = 0
[pid   300] <... futex resumed>)        = 1
[pid   324] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   306] <... futex resumed>)        = 0
[pid   301] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   306] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   324] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 000 <unfinished ...>
[pid   321] write(-1, 0x200000010140, 65546) = -1 EBADF (Bad file descriptor)
[pid   321] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid   306] <... open resumed>)         = 5
[pid   301] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   296] <... futex resumed>)        = 0
[pid   321] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   324] <... open resumed>)         = 5
[pid   321] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   324] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   321] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 4, 65536 <unfinished ...>
[pid   306] <... futex resumed>)        = 1
[pid   300] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = 0
[pid   324] <... futex resumed>)        = 1
[pid   306] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] <... read resumed>0x200000019680, 102392) = 102392
[pid   301] <... futex resumed>)        = 0
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   296] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] futex(0x7f390a7e9618, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   306] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   305] <... futex resumed>)        = 0
[pid   303] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   306] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY <unfinished ...>
[pid   305] openat(AT_FDCWD, "/dev/cpu/0/msr", O_RDONLY <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   306] <... openat resumed>)       = 6
[pid   305] <... openat resumed>)       = 6
[pid   303] <... futex resumed>)        = 0
[pid   301] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   305] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   303] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   301] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   306] <... futex resumed>)        = 1
[pid   305] <... futex resumed>)        = 0
[pid   301] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   306] futex(0x7f390a7e9608, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   305] read(6,  <unfinished ...>
[pid   301] <... futex resumed>)        = 0
[pid   306] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   30.105732][  T304] ------------[ cut here ]------------
[   30.112179][  T304] kernel BUG at fs/ext4/extents.c:3186!
[   30.122805][  T321] EXT4-fs error (device loop0): ext4_xattr_block_get:546: inode #15: comm syz-executor221: corrupted xattr block 19
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   306] read(6,  <unfinished ...>
[   30.155528][  T304] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   30.158065][  T321] ------------[ cut here ]------------
[   30.162300][  T304] CPU: 0 PID: 304 Comm: syz-executor221 Not tainted 6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   30.162339][  T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   30.162352][  T304] RIP: 0010:ext4_split_extent_at+0xf92/0xfb0
[   30.168261][  T321] kernel BUG at fs/ext4/extents.c:3186!
[   30.178790][  T304] Code: c9 fa ff ff 48 89 df 49 89 f7 e8 39 7c d0 ff 4c 89 fe e9 b6 fa ff ff e8 bc 22 8c ff 0f 0b e8 b5 22 8c ff 0f 0b e8 ae 22 8c ff <0f> 0b e8 a7 22 8c ff 0f 0b e8 a0 22 8c ff 0f 0b e8 99 22 8c ff 0f
[   30.178817][  T304] RSP: 0018:ffffc90000ee7920 EFLAGS: 00010293
[   30.178848][  T304] RAX: ffffffff81e3d4c2 RBX: 0000000000000010 RCX: ffff88810df79440
[   30.178862][  T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[   30.178874][  T304] RBP: ffffc90000ee7a90 R08: 0000000000000000 R09: 0000000050000028
[   30.257331][  T304] R10: ffffed1021df822a R11: 1ffff11021df8228 R12: ffff88810efc1100
[   30.265697][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   30.275090][  T304] FS:  00007f390a70d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   30.284751][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.292004][  T304] CR2: 00007f250cd8d000 CR3: 000000012391f000 CR4: 00000000003506b0
[   30.301094][  T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.310800][  T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.320284][  T304] Call Trace:
[   30.324461][  T304]  <TASK>
[   30.329425][  T304]  ? ext4_ext_try_to_merge_right+0x820/0x820
[   30.338501][  T304]  ext4_ext_remove_space+0x349d/0x3fb0
[   30.344618][  T304]  ? ext4_es_insert_extent+0x2d70/0x2d70
[   30.352136][  T304]  ? ext4_da_release_space+0x1d6/0x480
[   30.358875][  T304]  ? __cfi_ext4_ext_remove_space+0x10/0x10
[   30.365702][  T304]  ? ext4_es_remove_extent+0x1d9/0x330
[   30.371532][  T304]  ext4_punch_hole+0x77c/0xbd0
[   30.377413][  T304]  ext4_fallocate+0x2b6/0x1dd0
[   30.382737][  T304]  ? selinux_file_permission+0x2a5/0x510
[   30.388490][  T304]  ? fsnotify_perm+0x67/0x5b0
[   30.393720][  T304]  vfs_fallocate+0x4c5/0x5a0
[   30.398949][  T304]  __x64_sys_fallocate+0xc0/0x110
[   30.405053][  T304]  x64_sys_call+0x7fa/0x9a0
[   30.409906][  T304]  do_syscall_64+0x4c/0xa0
[   30.414736][  T304]  ? clear_bhb_loop+0x30/0x80
[   30.419949][  T304]  ? clear_bhb_loop+0x30/0x80
[   30.425609][  T304]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   30.433858][  T304] RIP: 0033:0x7f390a7508f9
[   30.438667][  T304] 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
[   30.460940][  T304] RSP: 002b:00007f390a70d218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[   30.470022][  T304] RAX: ffffffffffffffda RBX: 00007f390a7e9608 RCX: 00007f390a7508f9
[   30.479691][  T304] RDX: 0000000000000004 RSI: 0000000000000003 RDI: 0000000000000004
[   30.490253][  T304] RBP: 00007f390a7e9600 R08: 0000000000000000 R09: 0000000000000000
[   30.499408][  T304] R10: 0000000000010000 R11: 0000000000000246 R12: 00007f390a7b5b08
[   30.508582][  T304] R13: 00007f390a7a40c0 R14: 0000200000010143 R15: 0000200000010140
[   30.517235][  T304]  </TASK>
[   30.520279][  T304] Modules linked in:
[   30.524585][  T321] invalid opcode: 0000 [#2] PREEMPT SMP KASAN
[   30.526262][  T304] ---[ end trace 0000000000000000 ]---
[   30.530968][  T321] CPU: 1 PID: 321 Comm: syz-executor221 Tainted: G      D            6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   30.530996][  T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   30.531008][  T321] RIP: 0010:ext4_split_extent_at+0xf92/0xfb0
[   30.536653][  T304] RIP: 0010:ext4_split_extent_at+0xf92/0xfb0
[   30.548711][  T321] Code: c9 fa ff ff 48 89 df 49 89 f7 e8 39 7c d0 ff 4c 89 fe e9 b6 fa ff ff e8 bc 22 8c ff 0f 0b e8 b5 22 8c ff 0f 0b e8 ae 22 8c ff <0f> 0b e8 a7 22 8c ff 0f 0b e8 a0 22 8c ff 0f 0b e8 99 22 8c ff 0f
[   30.548733][  T321] RSP: 0018:ffffc90000ff7920 EFLAGS: 00010293
[   30.548754][  T321] RAX: ffffffff81e3d4c2 RBX: 0000000000000010 RCX: ffff88810e18e540
[   30.559434][  T304] Code: c9 fa ff ff 48 89 df 49 89 f7 e8 39 7c d0 ff 4c 89 fe e9 b6 fa ff ff e8 bc 22 8c ff 0f 0b e8 b5 22 8c ff 0f 0b e8 ae 22 8c ff <0f> 0b e8 a7 22 8c ff 0f 0b e8 a0 22 8c ff 0f 0b e8 99 22 8c ff 0f
[   30.567733][  T321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[   30.567756][  T321] RBP: ffffc90000ff7a90 R08: 0000000000000000 R09: 0000000050000028
[   30.567770][  T321] R10: ffffed1021df83ca R11: 1ffff11021df83c8 R12: ffff88810efc1e00
[   30.567787][  T321] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   30.575607][  T304] RSP: 0018:ffffc90000ee7920 EFLAGS: 00010293
[   30.597044][  T321] FS:  00007f390a6ec6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   30.597071][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.597085][  T321] CR2: 0000000000618348 CR3: 00000001110f4000 CR4: 00000000003506a0
[   30.597103][  T321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.603359][  T304] 
[   30.611773][  T321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.611797][  T321] Call Trace:
[   30.611804][  T321]  <TASK>
[   30.611818][  T321]  ? ext4_ext_try_to_merge_right+0x820/0x820
[   30.634382][  T304] RAX: ffffffff81e3d4c2 RBX: 0000000000000010 RCX: ffff88810df79440
[   30.643039][  T321]  ext4_ext_remove_space+0x349d/0x3fb0
[   30.643095][  T321]  ? ext4_es_insert_extent+0x2d70/0x2d70
[   30.643118][  T321]  ? ext4_da_release_space+0x1d6/0x480
[pid   301] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   300] <... futex resumed>)        = 0
[pid   296] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   301] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   301] futex(0x7f390a7e9618, FUTEX_WAKE_PRIVATE, 1000000) = 1
[   30.651451][  T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[   30.659848][  T321]  ? __cfi_ext4_ext_remove_space+0x10/0x10
[   30.659896][  T321]  ? ext4_es_remove_extent+0x1d9/0x330
[   30.669318][  T304] RBP: ffffc90000ee7a90 R08: 0000000000000000 R09: 0000000050000028
[   30.675931][  T321]  ext4_punch_hole+0x77c/0xbd0
[   30.675970][  T321]  ext4_fallocate+0x2b6/0x1dd0
[   30.685773][  T304] R10: ffffed1021df822a R11: 1ffff11021df8228 R12: ffff88810efc1100
[   30.692437][  T321]  ? selinux_file_permission+0x2a5/0x510
[   30.692475][  T321]  ? fsnotify_perm+0x67/0x5b0
[   30.692496][  T321]  vfs_fallocate+0x4c5/0x5a0
[   30.701702][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   30.710241][  T321]  __x64_sys_fallocate+0xc0/0x110
[   30.710280][  T321]  x64_sys_call+0x7fa/0x9a0
[   30.712820][  T304] FS:  00007f390a70d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   30.721097][  T321]  do_syscall_64+0x4c/0xa0
[   30.721129][  T321]  ? clear_bhb_loop+0x30/0x80
[   30.724529][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.727470][  T321]  ? clear_bhb_loop+0x30/0x80
[   30.733720][  T304] CR2: 00007f250cd8d000 CR3: 000000012391f000 CR4: 00000000003506b0
[   30.741782][  T321]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   30.741818][  T321] RIP: 0033:0x7f390a7508f9
[   30.741848][  T321] 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
[   30.741864][  T321] RSP: 002b:00007f390a6ec218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[   30.747727][  T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.753445][  T321] RAX: ffffffffffffffda RBX: 00007f390a7e9618 RCX: 00007f390a7508f9
[   30.753471][  T321] RDX: 0000000000000004 RSI: 0000000000000003 RDI: 0000000000000004
[pid   301] futex(0x7f390a7e961c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   324] <... futex resumed>)        = 0
[pid   320] <... read resumed>0x200000019680, 102392) = 102392
[pid   306] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392
[pid   305] <... read resumed>"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 102392) = 102392
[pid   301] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   300] futex(0x7f390a7e960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   299] <... read resumed>0x200000019680, 102392) = 102392
[pid   324] mount("/dev/loop3", "./bus", NULL, MS_BIND, NULL <unfinished ...>
[pid   320] futex(0x7f390a7e961c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   306] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   301] futex(0x7f390a7e962c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   300] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid   299] futex(0x7f390a7e960c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   297] exit_group(0 <unfinished ...>
[pid   324] <... mount resumed>)        = 0
[pid   320] <... futex resumed>)        = 0
[pid   306] <... futex resumed>)        = 0
[pid   301] <... futex resumed>)        = 0
[pid   300] futex(0x7f390a7e9608, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   299] <... futex resumed>)        = ?
[pid   297] <... exit_group resumed>)   = ?
[   30.753484][  T321] RBP: 00007f390a7e9610 R08: 0000000000000000 R09: 0000000000000000
[   30.753496][  T321] R10: 0000000000010000 R11: 0000000000000246 R12: 00007f390a7b5b08
[   30.759458][  T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.767799][  T321] R13: 00007f390a7a40c0 R14: 0000200000010143 R15: 0000200000010140
[   30.767829][  T321]  </TASK>
[   30.767836][  T321] Modules linked in:
[   30.808705][  T321] ---[ end trace 0000000000000000 ]---
[   30.985734][  T299] syz-executor221 (299) used greatest stack depth: 21616 bytes left
[   30.987748][  T304] Kernel panic - not syncing: Fatal exception
[   30.996190][  T304] Kernel Offset: disabled
[   31.030912][  T304] Rebooting in 86400 seconds..