./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1701524031 <...> Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts. execve("./syz-executor1701524031", ["./syz-executor1701524031"], 0x7ffffd584ce0 /* 10 vars */) = 0 brk(NULL) = 0x55555f312000 brk(0x55555f312d00) = 0x55555f312d00 arch_prctl(ARCH_SET_FS, 0x55555f312380) = 0 set_tid_address(0x55555f312650) = 5849 set_robust_list(0x55555f312660, 24) = 0 rseq(0x55555f312ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1701524031", 4096) = 28 getrandom("\x85\x95\xe2\x15\xcc\x7d\x46\x26", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555f312d00 brk(0x55555f333d00) = 0x55555f333d00 brk(0x55555f334000) = 0x55555f334000 mprotect(0x7f363fd18000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555f312650) = 5850 ./strace-static-x86_64: Process 5850 attached [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] set_robust_list(0x55555f312660, 24./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x55555f312660, 24 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55555f312650) = 5851 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] <... set_robust_list resumed>) = 0 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached ./strace-static-x86_64: Process 5852 attached [pid 5850] <... clone resumed>, child_tidptr=0x55555f312650) = 5853 ./strace-static-x86_64: Process 5854 attached [pid 5849] <... clone resumed>, child_tidptr=0x55555f312650) = 5852 [pid 5853] set_robust_list(0x55555f312660, 24 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] set_robust_list(0x55555f312660, 24 [pid 5854] set_robust_list(0x55555f312660, 24 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... set_robust_list resumed>) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... clone resumed>, child_tidptr=0x55555f312650) = 5854 ./strace-static-x86_64: Process 5855 attached [pid 5855] set_robust_list(0x55555f312660, 24 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] <... prctl resumed>) = 0 [pid 5849] <... clone resumed>, child_tidptr=0x55555f312650) = 5855 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... prctl resumed>) = 0 [pid 5853] setpgid(0, 0 [pid 5852] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5854] setpgid(0, 0 [pid 5853] <... setpgid resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5856 attached [pid 5856] set_robust_list(0x55555f312660, 24 [pid 5853] <... openat resumed>) = 3 [pid 5856] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5858 attached ./strace-static-x86_64: Process 5857 attached [pid 5855] <... clone resumed>, child_tidptr=0x55555f312650) = 5856 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] write(3, "1000", 4 [pid 5849] <... clone resumed>, child_tidptr=0x55555f312650) = 5858 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] <... openat resumed>) = 3 [pid 5853] <... write resumed>) = 4 [pid 5858] set_robust_list(0x55555f312660, 24 [pid 5857] set_robust_list(0x55555f312660, 24 [pid 5853] close(3 [pid 5856] <... prctl resumed>) = 0 [pid 5853] <... close resumed>) = 0 executing program [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5856] setpgid(0, 0 [pid 5854] write(3, "1000", 4 [pid 5853] write(1, "executing program\n", 18 [pid 5852] <... clone resumed>, child_tidptr=0x55555f312650) = 5857 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... setpgid resumed>) = 0 [pid 5854] <... write resumed>) = 4 [pid 5853] <... write resumed>) = 18 executing program [pid 5857] <... prctl resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] close(3 [pid 5853] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5854] <... close resumed>) = 0 [pid 5857] setpgid(0, 0 [pid 5854] write(1, "executing program\n", 18 [pid 5857] <... setpgid resumed>) = 0 [pid 5856] <... openat resumed>) = 3 [pid 5854] <... write resumed>) = 18 [pid 5853] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5859 attached [pid 5858] <... clone resumed>, child_tidptr=0x55555f312650) = 5859 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] write(3, "1000", 4 [pid 5854] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5853] dup(3 [pid 5859] set_robust_list(0x55555f312660, 24 [pid 5854] <... openat resumed>) = 3 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] <... write resumed>) = 4 [pid 5854] dup(3 [pid 5853] <... dup resumed>) = 4 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] write(3, "1000", 4 [pid 5856] close(3 [pid 5859] <... prctl resumed>) = 0 [pid 5856] <... close resumed>) = 0 [pid 5854] <... dup resumed>) = 4 executing program [pid 5853] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5857] <... write resumed>) = 4 [pid 5859] setpgid(0, 0 [pid 5856] write(1, "executing program\n", 18 [pid 5854] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5859] <... setpgid resumed>) = 0 [pid 5857] close(3 [pid 5856] <... write resumed>) = 18 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5859] <... openat resumed>) = 3 [pid 5857] write(1, "executing program\n", 18 [pid 5856] <... openat resumed>) = 3 executing program [pid 5859] write(3, "1000", 4 [pid 5857] <... write resumed>) = 18 [pid 5856] dup(3 [pid 5859] <... write resumed>) = 4 [pid 5857] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5856] <... dup resumed>) = 4 [pid 5856] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5859] close(3executing program ) = 0 [pid 5859] write(1, "executing program\n", 18) = 18 [pid 5857] <... openat resumed>) = 3 [pid 5857] dup(3 [pid 5859] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5859] dup(3) = 4 [pid 5857] <... dup resumed>) = 4 [pid 5859] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5857] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5855] kill(-5856, SIGKILL [pid 5852] kill(-5857, SIGKILL [pid 5855] <... kill resumed>) = 0 [pid 5852] <... kill resumed>) = 0 [pid 5852] kill(5857, SIGKILL) = 0 [pid 5851] kill(-5854, SIGKILL [pid 5850] kill(-5853, SIGKILL [pid 5855] kill(5856, SIGKILL [pid 5851] <... kill resumed>) = 0 [pid 5855] <... kill resumed>) = 0 [pid 5850] <... kill resumed>) = 0 [pid 5850] kill(5853, SIGKILL [pid 5851] kill(5854, SIGKILL) = 0 [pid 5850] <... kill resumed>) = 0 [pid 5858] kill(-5859, SIGKILL) = 0 [pid 5858] kill(5859, SIGKILL) = 0 [pid 5852] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5851] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5852] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5855] newfstatat(3, "", [pid 5850] newfstatat(3, "", [pid 5852] newfstatat(3, "", [pid 5851] <... openat resumed>) = 3 [pid 5855] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5851] newfstatat(3, "", [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] getdents64(3, 0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5852] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5855] close(3 [pid 5851] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(3, [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5851] getdents64(3, [pid 5858] getdents64(3, [pid 5851] <... getdents64 resumed>0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5858] <... getdents64 resumed>0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5851] getdents64(3, [pid 5858] getdents64(3, [pid 5851] <... getdents64 resumed>0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5858] <... getdents64 resumed>0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5851] close(3 [pid 5858] close(3) = 0 [pid 5851] <... close resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5850] <... getdents64 resumed>0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5852] getdents64(3, [pid 5850] getdents64(3, [pid 5852] <... getdents64 resumed>0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5850] <... getdents64 resumed>0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5852] getdents64(3, [pid 5850] close(3) = 0 [pid 5852] <... getdents64 resumed>0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5852] close(3) = 0 [pid 5853] <... fallocate resumed>) = ? [pid 5853] +++ killed by SIGKILL +++ [pid 5850] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5853, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2668 /* 26.68 s */} --- [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached [pid 5860] set_robust_list(0x55555f312660, 24) = 0 [pid 5850] <... clone resumed>, child_tidptr=0x55555f312650) = 5860 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 executing program [pid 5860] write(1, "executing program\n", 18) = 18 [pid 5860] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5860] dup(3) = 4 [pid 5860] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5850] kill(-5860, SIGKILL) = 0 [pid 5850] kill(5860, SIGKILL) = 0 [pid 5850] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5850] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(3, 0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5850] getdents64(3, 0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5850] close(3) = 0 [pid 5854] <... fallocate resumed>) = ? [pid 5854] +++ killed by SIGKILL +++ [pid 5851] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5854, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2672 /* 26.72 s */} --- [pid 5851] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5867] set_robust_list(0x55555f312660, 24 [pid 5851] <... clone resumed>, child_tidptr=0x55555f312650) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3executing program ) = 0 [pid 5867] write(1, "executing program\n", 18) = 18 [pid 5867] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5867] dup(3) = 4 [pid 5867] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5851] kill(-5867, SIGKILL) = 0 [pid 5851] kill(5867, SIGKILL) = 0 [pid 5851] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5851] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5851] getdents64(3, 0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5851] getdents64(3, 0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5851] close(3) = 0 [pid 5856] <... fallocate resumed>) = ? [pid 5856] +++ killed by SIGKILL +++ [pid 5855] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5856, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2685 /* 26.85 s */} --- [pid 5855] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached , child_tidptr=0x55555f312650) = 5868 [pid 5868] set_robust_list(0x55555f312660, 24) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5868] dup(3) = 4 [pid 5868] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5855] kill(-5868, SIGKILL) = 0 [pid 5855] kill(5868, SIGKILL) = 0 [pid 5855] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5855] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5855] getdents64(3, 0x55555f3136f0 /* 2 entries */, 32768) = 48 [pid 5855] getdents64(3, 0x55555f3136f0 /* 0 entries */, 32768) = 0 [pid 5855] close(3) = 0 [ 286.585093][ T30] INFO: task syz-executor170:5859 blocked for more than 143 seconds. [ 286.593337][ T30] Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 [ 286.612507][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.622142][ T30] task:syz-executor170 state:D stack:25328 pid:5859 tgid:5859 ppid:5858 flags:0x00004006 [ 286.633326][ T30] Call Trace: [ 286.636708][ T30] [ 286.639774][ T30] __schedule+0x17fa/0x4bd0 [ 286.644441][ T30] ? __pfx___schedule+0x10/0x10 [ 286.652473][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.657605][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.663640][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.670116][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.677609][ T30] ? schedule+0x90/0x320 [ 286.683408][ T30] schedule+0x14b/0x320 [ 286.691621][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.697188][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 286.703044][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 286.709089][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.716149][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.721233][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.728893][ T30] down_write+0x1d7/0x220 [ 286.733468][ T30] ? __pfx_down_write+0x10/0x10 [ 286.742776][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.748229][ T30] blkdev_fallocate+0x20e/0x490 [ 286.753149][ T30] vfs_fallocate+0x569/0x6e0 [ 286.757882][ T30] __x64_sys_fallocate+0xbd/0x110 [ 286.762943][ T30] do_syscall_64+0xf3/0x230 [ 286.768474][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.773205][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.781136][ T30] RIP: 0033:0x7f363fca5b29 [ 286.787006][ T30] RSP: 002b:00007ffe1aab7d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.799655][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f363fca5b29 [ 286.807803][ T30] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004 [ 286.815855][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.824831][ T30] R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000001 [ 286.833867][ T30] R13: 00007ffe1aab7fb8 R14: 00007ffe1aab7dc0 R15: 00007ffe1aab7db0 [ 286.843488][ T30] [ 286.846600][ T30] [ 286.846600][ T30] Showing all locks held in the system: [ 286.858486][ T30] 1 lock held by ksoftirqd/1/24: [ 286.876447][ T30] 1 lock held by khungtaskd/30: [ 286.894867][ T30] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.939843][ T30] 1 lock held by klogd/5197: [ 286.944609][ T30] 2 locks held by getty/5587: [ 286.949308][ T30] #0: ffff88814d1b60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.959993][ T30] #1: ffffc900032532f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 286.971296][ T30] 1 lock held by syz-executor170/5857: [ 286.978437][ T30] 1 lock held by syz-executor170/5859: [ 286.984137][ T30] #0: ffff888023493740 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 286.995723][ T30] 1 lock held by syz-executor170/5860: [ 287.001216][ T30] #0: ffff888023493740 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 287.013655][ T30] 1 lock held by syz-executor170/5867: [ 287.023453][ T30] #0: ffff888023493740 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 287.034305][ T30] 1 lock held by syz-executor170/5868: [ 287.044415][ T30] #0: ffff888023493740 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 287.056118][ T30] [ 287.058482][ T30] ============================================= [ 287.058482][ T30] [ 287.068578][ T30] NMI backtrace for cpu 0 [ 287.072959][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 [ 287.083672][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.093754][ T30] Call Trace: [ 287.097056][ T30] [ 287.100020][ T30] dump_stack_lvl+0x241/0x360 [ 287.104734][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.109979][ T30] ? __pfx__printk+0x10/0x10 [ 287.114612][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.119606][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.125101][ T30] ? _printk+0xd5/0x120 [ 287.129288][ T30] ? __pfx__printk+0x10/0x10 [ 287.133905][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.138797][ T30] ? __pfx__printk+0x10/0x10 [ 287.143417][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.148474][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.154493][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.160511][ T30] watchdog+0xff4/0x1040 [ 287.164785][ T30] ? watchdog+0x1ea/0x1040 [ 287.169215][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.173895][ T30] kthread+0x2f0/0x390 [ 287.177970][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.182643][ T30] ? __pfx_kthread+0x10/0x10 [ 287.187231][ T30] ret_from_fork+0x4b/0x80 [ 287.191648][ T30] ? __pfx_kthread+0x10/0x10 [ 287.196233][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.201034][ T30] [ 287.204494][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.209763][ C1] NMI backtrace for cpu 1 [ 287.209779][ C1] CPU: 1 UID: 0 PID: 5197 Comm: klogd Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 [ 287.209798][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.209808][ C1] RIP: 0010:___cache_free+0x63/0xe0 [ 287.209836][ C1] Code: 00 48 01 d0 66 90 0f b6 48 33 c1 e1 18 45 31 c0 81 f9 00 00 00 f5 4c 0f 44 c0 65 48 8b 05 85 8b 12 7e 49 8b 0f 48 8b 54 08 08 <4c> 39 44 08 10 75 24 48 8b 04 01 41 8b 4f 28 48 89 04 19 48 8d 4a [ 287.209855][ C1] RSP: 0018:ffffc9000313f648 EFLAGS: 00000246 [ 287.209871][ C1] RAX: ffff8880b8700000 RBX: ffff88805c59e700 RCX: 0000607f47605710 [ 287.209883][ C1] RDX: 0000000000cfc4e9 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.209894][ C1] RBP: 0000000000000000 R08: ffffea0001716780 R09: ffffffff81fb8d4f [ 287.209905][ C1] R10: dffffc0000000000 R11: ffffed10170e8951 R12: ffff88805c59e700 [ 287.209918][ C1] R13: ffffea0000000000 R14: ffffffff81fb8d4f R15: ffff888147287780 [ 287.209930][ C1] FS: 00007f6f3fbd0380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 287.209944][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.209956][ C1] CR2: 00005585f1b35e88 CR3: 000000007c6e4000 CR4: 00000000003526f0 [ 287.209971][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.209980][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.209990][ C1] Call Trace: [ 287.209996][ C1] [ 287.210003][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.210027][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.210052][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.210074][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.210098][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.210120][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.210135][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.210152][ C1] ? ___cache_free+0x63/0xe0 [ 287.210168][ C1] ? default_do_nmi+0x63/0x160 [ 287.210198][ C1] ? exc_nmi+0x123/0x1f0 [ 287.210220][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.210238][ C1] ? qlist_free_all+0x8f/0x140 [ 287.210260][ C1] ? qlist_free_all+0x8f/0x140 [ 287.210282][ C1] ? ___cache_free+0x63/0xe0 [ 287.210298][ C1] ? ___cache_free+0x63/0xe0 [ 287.210315][ C1] ? ___cache_free+0x63/0xe0 [ 287.210331][ C1] [ 287.210336][ C1] [ 287.210343][ C1] qlist_free_all+0x9a/0x140 [ 287.210364][ C1] kasan_quarantine_reduce+0x14f/0x170 [ 287.210387][ C1] __kasan_slab_alloc+0x23/0x80 [ 287.210409][ C1] ? __alloc_skb+0x1c3/0x440 [ 287.210427][ C1] kmem_cache_alloc_node_noprof+0x16b/0x320 [ 287.210447][ C1] __alloc_skb+0x1c3/0x440 [ 287.210464][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.210483][ C1] ? __pfx___alloc_skb+0x10/0x10 [ 287.210506][ C1] alloc_skb_with_frags+0xc3/0x820 [ 287.210532][ C1] sock_alloc_send_pskb+0x91a/0xa60 [ 287.210562][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 287.210586][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.210610][ C1] unix_dgram_sendmsg+0x6d3/0x1f80 [ 287.210633][ C1] ? __pfx_smack_socket_sendmsg+0x10/0x10 [ 287.210658][ C1] ? tomoyo_socket_sendmsg_permission+0x288/0x420 [ 287.210687][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.210712][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.210730][ C1] __sock_sendmsg+0x221/0x270 [ 287.210747][ C1] __sys_sendto+0x39b/0x4f0 [ 287.210767][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 287.210797][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.210821][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.210846][ C1] __x64_sys_sendto+0xde/0x100 [ 287.210866][ C1] do_syscall_64+0xf3/0x230 [ 287.210886][ C1] ? clear_bhb_loop+0x35/0x90 [ 287.210904][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.210922][ C1] RIP: 0033:0x7f6f3fd329b5 [ 287.210935][ C1] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 287.210948][ C1] RSP: 002b:00007ffc060cf158 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.210964][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f3fd329b5 [ 287.210975][ C1] RDX: 0000000000000073 RSI: 000055b31772b910 RDI: 0000000000000003 [ 287.210986][ C1] RBP: 000055b317727910 R08: 0000000000000000 R09: 0000000000000000 [ 287.210996][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.211006][ C1] R13: 00007f6f3fec0212 R14: 00007ffc060cf258 R15: 0000000000000000 [ 287.211024][ C1] [ 287.211031][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.268 msecs [ 287.248334][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.248353][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 [ 287.248375][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.248386][ T30] Call Trace: [ 287.248394][ T30] [ 287.248403][ T30] dump_stack_lvl+0x241/0x360 [ 287.248432][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.248454][ T30] ? __pfx__printk+0x10/0x10 [ 287.248472][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.248502][ T30] ? vscnprintf+0x5d/0x90 [ 287.248527][ T30] panic+0x349/0x880 [ 287.248547][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.248571][ T30] ? __pfx_panic+0x10/0x10 [ 287.248589][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.248609][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.248632][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.248651][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.248673][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.248699][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.248725][ T30] watchdog+0x1033/0x1040 [ 287.248747][ T30] ? watchdog+0x1ea/0x1040 [ 287.248774][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.248795][ T30] kthread+0x2f0/0x390 [ 287.248813][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.248832][ T30] ? __pfx_kthread+0x10/0x10 [ 287.248850][ T30] ret_from_fork+0x4b/0x80 [ 287.248872][ T30] ? __pfx_kthread+0x10/0x10 [ 287.248889][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.248922][ T30] [ 287.814450][ T30] Kernel Offset: disabled [ 287.818763][ T30] Rebooting in 86400 seconds..