./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3944185843 <...> Warning: Permanently added '10.128.1.54' (ED25519) to the list of known hosts. execve("./syz-executor3944185843", ["./syz-executor3944185843"], 0x7ffd74f8d790 /* 10 vars */) = 0 brk(NULL) = 0x555575f2e000 brk(0x555575f2ed00) = 0x555575f2ed00 arch_prctl(ARCH_SET_FS, 0x555575f2e380) = 0 set_tid_address(0x555575f2e650) = 5857 set_robust_list(0x555575f2e660, 24) = 0 rseq(0x555575f2eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3944185843", 4096) = 28 getrandom("\x89\x7c\x87\xf0\x5d\x2a\x86\x11", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555575f2ed00 brk(0x555575f4fd00) = 0x555575f4fd00 brk(0x555575f50000) = 0x555575f50000 mprotect(0x7fde4ca18000, 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./strace-static-x86_64: Process 5858 attached [pid 5858] set_robust_list(0x555575f2e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5858 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5858] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... clone resumed>, child_tidptr=0x555575f2e650) = 5859 ./strace-static-x86_64: Process 5860 attached [pid 5859] set_robust_list(0x555575f2e660, 24 [pid 5860] set_robust_list(0x555575f2e660, 24 [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5860 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5859] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5861 [pid 5862] set_robust_list(0x555575f2e660, 24 [pid 5861] set_robust_list(0x555575f2e660, 24 [pid 5860] <... clone resumed>, child_tidptr=0x555575f2e650) = 5862 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5859] <... openat resumed>) = 3 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5864 attached ./strace-static-x86_64: Process 5863 attached [pid 5859] write(3, "1000", 4 [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5864 [pid 5864] set_robust_list(0x555575f2e660, 24 [pid 5863] set_robust_list(0x555575f2e660, 24 [pid 5862] <... openat resumed>) = 3 [pid 5861] <... clone resumed>, child_tidptr=0x555575f2e650) = 5863 [pid 5859] <... write resumed>) = 4 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] write(3, "1000", 4 [pid 5859] close(3 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] <... write resumed>) = 4 [pid 5859] <... close resumed>) = 0 ./strace-static-x86_64: Process 5865 attached [pid 5863] setpgid(0, 0 [pid 5865] set_robust_list(0x555575f2e660, 24./strace-static-x86_64: Process 5866 attached [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5865 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] <... setpgid resumed>) = 0 [pid 5862] close(3executing program [pid 5859] write(1, "executing program\n", 18 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... clone resumed>, child_tidptr=0x555575f2e650) = 5866 [pid 5862] <... close resumed>) = 0 executing program [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] <... write resumed>) = 18 [pid 5857] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] set_robust_list(0x555575f2e660, 24 [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5859] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5866] <... set_robust_list resumed>) = 0 [pid 5862] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5859] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5867 attached [pid 5863] <... openat resumed>) = 3 [pid 5862] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5868 attached [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... clone resumed>, child_tidptr=0x555575f2e650) = 5868 [pid 5857] <... clone resumed>, child_tidptr=0x555575f2e650) = 5867 [pid 5867] set_robust_list(0x555575f2e660, 24 [pid 5866] <... prctl resumed>) = 0 [pid 5863] write(3, "1000", 4 [pid 5862] dup(3 [pid 5859] dup(3 [pid 5868] set_robust_list(0x555575f2e660, 24 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5863] <... write resumed>) = 4 [pid 5862] <... dup resumed>) = 4 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... setpgid resumed>) = 0 [pid 5863] close(3 [pid 5862] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5859] <... dup resumed>) = 4 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5863] <... close resumed>) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5869] set_robust_list(0x555575f2e660, 24) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 5868] <... prctl resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555575f2e650) = 5869 [pid 5866] <... openat resumed>) = 3 [pid 5863] write(1, "executing program\n", 18) = 18 [pid 5869] <... prctl resumed>) = 0 [pid 5868] setpgid(0, 0 [pid 5863] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5869] setpgid(0, 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5866] write(3, "1000", 4 [pid 5869] <... setpgid resumed>) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... write resumed>) = 4 [pid 5863] <... openat resumed>) = 3 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] close(3 [pid 5868] <... openat resumed>) = 3 [pid 5866] <... close resumed>) = 0 executing program [pid 5863] dup(3 [pid 5866] write(1, "executing program\n", 18 [pid 5863] <... dup resumed>) = 4 [pid 5866] <... write resumed>) = 18 [pid 5863] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5866] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5869] <... openat resumed>) = 3 [pid 5868] write(3, "1000", 4 [pid 5869] write(3, "1000", 4 [pid 5868] <... write resumed>) = 4 [pid 5869] <... write resumed>) = 4 [pid 5868] close(3 [pid 5869] close(3 [pid 5868] <... close resumed>) = 0 executing program executing program [pid 5869] <... close resumed>) = 0 [pid 5868] write(1, "executing program\n", 18 [pid 5869] write(1, "executing program\n", 18 [pid 5868] <... write resumed>) = 18 [pid 5869] <... write resumed>) = 18 [pid 5868] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5869] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5868] <... openat resumed>) = 3 [pid 5869] <... openat resumed>) = 3 [pid 5868] dup(3 [pid 5869] dup(3 [pid 5868] <... dup resumed>) = 4 [pid 5869] <... dup resumed>) = 4 [pid 5869] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5868] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5866] <... openat resumed>) = 3 [pid 5866] dup(3) = 4 [pid 5866] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5858] kill(-5859, SIGKILL) = 0 [pid 5858] kill(5859, SIGKILL) = 0 [pid 5860] kill(-5862, SIGKILL) = 0 [pid 5860] kill(5862, SIGKILL) = 0 [pid 5864] kill(-5866, SIGKILL) = 0 [pid 5861] kill(-5863, SIGKILL [pid 5864] kill(5866, SIGKILL [pid 5861] <... kill resumed>) = 0 [pid 5864] <... kill resumed>) = 0 [pid 5861] kill(5863, SIGKILL) = 0 [pid 5865] kill(-5868, SIGKILL) = 0 [pid 5865] kill(5868, SIGKILL) = 0 [pid 5867] kill(-5869, SIGKILL) = 0 [pid 5867] kill(5869, SIGKILL) = 0 [pid 5858] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5858] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5858] getdents64(3, 0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5858] getdents64(3, 0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5858] close(3) = 0 [pid 5860] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5860] newfstatat(3, "", [pid 5864] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5860] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5860] getdents64(3, [pid 5864] newfstatat(3, "", [pid 5860] <... getdents64 resumed>0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5860] getdents64(3, [pid 5864] getdents64(3, [pid 5860] <... getdents64 resumed>0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5867] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... getdents64 resumed>0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5860] close(3 [pid 5867] <... openat resumed>) = 3 [pid 5864] getdents64(3, [pid 5860] <... close resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5867] newfstatat(3, "", [pid 5864] close(3 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 5864] <... close resumed>) = 0 [pid 5861] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... getdents64 resumed>0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5865] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] getdents64(3, [pid 5865] <... openat resumed>) = 3 [pid 5861] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5865] newfstatat(3, "", [pid 5867] close(3 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5861] newfstatat(3, "", [pid 5867] <... close resumed>) = 0 [pid 5865] getdents64(3, 0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5861] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5861] getdents64(3, [pid 5865] <... close resumed>) = 0 [pid 5861] <... getdents64 resumed>0x555575f2f6f0 /* 2 entries */, 32768) = 48 [pid 5861] getdents64(3, 0x555575f2f6f0 /* 0 entries */, 32768) = 0 [pid 5861] close(3) = 0 [ 285.752534][ T31] INFO: task syz-executor394:5859 blocked for more than 143 seconds. [ 285.760697][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 285.779511][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.795897][ T31] task:syz-executor394 state:D stack:27736 pid:5859 tgid:5859 ppid:5858 task_flags:0x400040 flags:0x00004006 [ 285.809507][ T31] Call Trace: [ 285.812896][ T31] [ 285.815860][ T31] __schedule+0x116a/0x5de0 [ 285.820573][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.826314][ T31] ? __lock_acquire+0x622/0x1c90 [ 285.831361][ T31] ? __pfx___schedule+0x10/0x10 [ 285.836563][ T31] ? find_held_lock+0x2b/0x80 [ 285.841398][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.847139][ T31] schedule+0xe7/0x3a0 [ 285.851268][ T31] schedule_preempt_disabled+0x13/0x30 [ 285.856835][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 285.862741][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 285.868969][ T31] ? __pfx___might_resched+0x10/0x10 [ 285.874456][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.880345][ T31] down_write+0x1d6/0x200 [ 285.884913][ T31] ? __pfx_down_write+0x10/0x10 [ 285.889990][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.895716][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 285.900766][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 285.906276][ T31] vfs_fallocate+0x60b/0x10c0 [ 285.911003][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 285.928545][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.942334][ T31] ? rcu_is_watching+0x12/0xc0 [ 285.947154][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 285.962336][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.968108][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 285.982356][ T31] __x64_sys_fallocate+0xd5/0x150 [ 285.987451][ T31] do_syscall_64+0xcd/0x4c0 [ 285.991996][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.010219][ T31] RIP: 0033:0x7fde4c9a5b29 [ 286.022383][ T31] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.030886][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 286.052403][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.060470][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.090335][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.102341][ T31] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 286.110521][ T31] [ 286.122709][ T31] INFO: task syz-executor394:5863 blocked for more than 143 seconds. [ 286.130885][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 286.162789][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.171536][ T31] task:syz-executor394 state:D stack:27672 pid:5863 tgid:5863 ppid:5861 task_flags:0x400040 flags:0x00004006 [ 286.232366][ T31] Call Trace: [ 286.235727][ T31] [ 286.238693][ T31] __schedule+0x116a/0x5de0 [ 286.262429][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 286.267510][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.282192][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.292380][ T31] ? __pfx___schedule+0x10/0x10 [ 286.297342][ T31] ? find_held_lock+0x2b/0x80 [ 286.302074][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.312899][ T31] schedule+0xe7/0x3a0 [ 286.317922][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.324350][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.330223][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.336877][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.342551][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.348241][ T31] down_write+0x1d6/0x200 [ 286.353028][ T31] ? __pfx_down_write+0x10/0x10 [ 286.357930][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.364055][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.368976][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.374826][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.379561][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.385241][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.390961][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.396259][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.401535][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.407633][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.413177][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.418261][ T31] do_syscall_64+0xcd/0x4c0 [ 286.423241][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.429189][ T31] RIP: 0033:0x7fde4c9a5b29 [ 286.434626][ T31] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.443477][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 286.451516][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.460012][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.470358][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.478712][ T31] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 286.487096][ T31] [ 286.490189][ T31] INFO: task syz-executor394:5866 blocked for more than 144 seconds. [ 286.514730][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 286.520698][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.542414][ T31] task:syz-executor394 state:D stack:28712 pid:5866 tgid:5866 ppid:5864 task_flags:0x400040 flags:0x00004006 [ 286.572407][ T31] Call Trace: [ 286.575768][ T31] [ 286.578730][ T31] __schedule+0x116a/0x5de0 [ 286.590170][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 286.595518][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.601604][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.607090][ T31] ? __pfx___schedule+0x10/0x10 [ 286.612019][ T31] ? find_held_lock+0x2b/0x80 [ 286.617141][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.623288][ T31] schedule+0xe7/0x3a0 [ 286.627445][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.633333][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.639114][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.645795][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.651138][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.657203][ T31] down_write+0x1d6/0x200 [ 286.661582][ T31] ? __pfx_down_write+0x10/0x10 [ 286.666867][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.672880][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.677804][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.683654][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.688387][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.693965][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.699672][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.704995][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.710261][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.716436][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.721712][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.727202][ T31] do_syscall_64+0xcd/0x4c0 [ 286.731754][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.738101][ T31] RIP: 0033:0x7fde4c9a5b29 [ 286.742760][ T31] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.751395][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 286.759779][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.768027][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.776410][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.785070][ T31] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 286.793476][ T31] [ 286.796551][ T31] INFO: task syz-executor394:5868 blocked for more than 144 seconds. [ 286.812412][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 286.818469][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.827828][ T31] task:syz-executor394 state:D stack:28712 pid:5868 tgid:5868 ppid:5865 task_flags:0x400040 flags:0x00004006 [ 286.842727][ T31] Call Trace: [ 286.846058][ T31] [ 286.849022][ T31] __schedule+0x116a/0x5de0 [ 286.854264][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.860053][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 286.865536][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.871215][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.876645][ T31] ? __pfx___schedule+0x10/0x10 [ 286.881568][ T31] ? find_held_lock+0x2b/0x80 [ 286.886658][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.892604][ T31] schedule+0xe7/0x3a0 [ 286.896738][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.902255][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.908930][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.915538][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.920887][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.926994][ T31] down_write+0x1d6/0x200 [ 286.931373][ T31] ? __pfx_down_write+0x10/0x10 [ 286.936668][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.942609][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.947528][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.953767][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.958503][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.964363][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.970053][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.975248][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.980925][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.986838][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.992111][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.997643][ T31] do_syscall_64+0xcd/0x4c0 [ 287.002195][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.008623][ T31] RIP: 0033:0x7fde4c9a5b29 [ 287.013321][ T31] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.021791][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 287.030399][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.038791][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.047077][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.055475][ T31] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 287.064691][ T31] [ 287.067764][ T31] INFO: task syz-executor394:5869 blocked for more than 144 seconds. [ 287.092486][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 287.098460][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.122546][ T31] task:syz-executor394 state:D stack:27672 pid:5869 tgid:5869 ppid:5867 task_flags:0x400040 flags:0x00004006 [ 287.152379][ T31] Call Trace: [ 287.157820][ T31] [ 287.160785][ T31] __schedule+0x116a/0x5de0 [ 287.169781][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.176009][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 287.181017][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.187738][ T31] ? __lock_acquire+0x622/0x1c90 [ 287.193002][ T31] ? __pfx___schedule+0x10/0x10 [ 287.197931][ T31] ? find_held_lock+0x2b/0x80 [ 287.203078][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.208774][ T31] schedule+0xe7/0x3a0 [ 287.213323][ T31] schedule_preempt_disabled+0x13/0x30 [ 287.218922][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 287.225189][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 287.231425][ T31] ? __pfx___might_resched+0x10/0x10 [ 287.237257][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.243222][ T31] down_write+0x1d6/0x200 [ 287.247618][ T31] ? __pfx_down_write+0x10/0x10 [ 287.252981][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.258679][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 287.264024][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.269467][ T31] vfs_fallocate+0x60b/0x10c0 [ 287.274770][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 287.279939][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.286590][ T31] ? rcu_is_watching+0x12/0xc0 [ 287.291408][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.297140][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.303092][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.308363][ T31] __x64_sys_fallocate+0xd5/0x150 [ 287.313843][ T31] do_syscall_64+0xcd/0x4c0 [ 287.318400][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.324754][ T31] RIP: 0033:0x7fde4c9a5b29 [ 287.329291][ T31] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.338189][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 287.346479][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.354805][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.363094][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.371105][ T31] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 287.379621][ T31] [ 287.382931][ T31] [ 287.382931][ T31] Showing all locks held in the system: [ 287.390673][ T31] 1 lock held by khungtaskd/31: [ 287.397749][ T31] #0: ffffffff8e5c4840 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 287.409906][ T31] 1 lock held by klogd/5189: [ 287.414889][ T31] #0: ffff8880b843bdd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 287.425198][ T31] 2 locks held by getty/5592: [ 287.429897][ T31] #0: ffff8880337800a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.440241][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 287.450735][ T31] 1 lock held by syz-executor394/5859: [ 287.456485][ T31] #0: ffff888024094120 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.467664][ T31] 4 locks held by syz-executor394/5862: [ 287.473535][ T31] 1 lock held by syz-executor394/5863: [ 287.479022][ T31] #0: ffff888024094120 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.490295][ T31] 1 lock held by syz-executor394/5866: [ 287.496039][ T31] #0: ffff888024094120 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.507173][ T31] 1 lock held by syz-executor394/5868: [ 287.512915][ T31] #0: ffff888024094120 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.524603][ T31] 1 lock held by syz-executor394/5869: [ 287.530087][ T31] #0: ffff888024094120 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.541453][ T31] [ 287.549027][ T31] ============================================= [ 287.549027][ T31] [ 287.557899][ T31] NMI backtrace for cpu 0 [ 287.557921][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) [ 287.557965][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.557986][ T31] Call Trace: [ 287.557996][ T31] [ 287.558009][ T31] dump_stack_lvl+0x116/0x1f0 [ 287.558075][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 287.558126][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.558179][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.558233][ T31] watchdog+0xf70/0x12c0 [ 287.558282][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.558327][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.558386][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.558433][ T31] ? __kthread_parkme+0x19e/0x250 [ 287.558483][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.558530][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.558570][ T31] kthread+0x3c5/0x780 [ 287.558629][ T31] ? __pfx_kthread+0x10/0x10 [ 287.558691][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.558735][ T31] ? rcu_is_watching+0x12/0xc0 [ 287.558780][ T31] ? __pfx_kthread+0x10/0x10 [ 287.558841][ T31] ret_from_fork+0x5d7/0x6f0 [ 287.558894][ T31] ? __pfx_kthread+0x10/0x10 [ 287.558954][ T31] ret_from_fork_asm+0x1a/0x30 [ 287.559012][ T31] [ 287.559025][ T31] Sending NMI from CPU 0 to CPUs 1: [ 287.692636][ C1] NMI backtrace for cpu 1 [ 287.692658][ C1] CPU: 1 UID: 0 PID: 5862 Comm: syz-executor394 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) [ 287.692697][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.692715][ C1] RIP: 0010:kasan_byte_accessible+0x18/0x30 [ 287.692770][ C1] Code: 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 0f b6 07 <3c> 07 0f 96 c0 e9 89 62 ee fe 66 66 2e 0f 1f 84 00 00 00 00 00 0f [ 287.692800][ C1] RSP: 0018:ffffc9000428f1e8 EFLAGS: 00000086 [ 287.692825][ C1] RAX: 0000000000000000 RBX: ffffffff9af3d018 RCX: 0000000000000000 [ 287.692844][ C1] RDX: 0000000000000000 RSI: ffffffff8b7fd32a RDI: fffffbfff35e7a03 [ 287.692865][ C1] RBP: ffffffff9af3d018 R08: 0000000000000001 R09: 0000000000000000 [ 287.692884][ C1] R10: ffffffff90a82957 R11: ffffffff9af3d000 R12: ffffffff8b7fd32a [ 287.692905][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 287.692926][ C1] FS: 0000555575f2e380(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000 [ 287.692954][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.692975][ C1] CR2: 0000559e8c4dd168 CR3: 0000000078fb3000 CR4: 0000000000350ef0 [ 287.692995][ C1] Call Trace: [ 287.693005][ C1] [ 287.693015][ C1] __kasan_check_byte+0x13/0x50 [ 287.693055][ C1] lock_acquire+0xfc/0x350 [ 287.693105][ C1] ? __pfx_debug_objects_fill_pool+0x10/0x10 [ 287.693141][ C1] ? blk_add_rq_to_plug+0x1ca/0x540 [ 287.693184][ C1] ? blk_mq_submit_bio+0x18d5/0x26a0 [ 287.693231][ C1] _raw_spin_lock_irqsave+0x3a/0x60 [ 287.693278][ C1] ? debug_object_activate+0x14c/0x4c0 [ 287.693313][ C1] debug_object_activate+0x14c/0x4c0 [ 287.693350][ C1] ? __pfx_debug_object_activate+0x10/0x10 [ 287.693395][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 287.693431][ C1] __call_rcu_common.constprop.0+0x2c/0x9f0 [ 287.693469][ C1] kmem_cache_free+0x16d/0x4d0 [ 287.693501][ C1] ? mempool_free+0xea/0x3b0 [ 287.693545][ C1] ? __pfx_mempool_free_slab+0x10/0x10 [ 287.693595][ C1] mempool_free+0xea/0x3b0 [ 287.693639][ C1] bio_put+0x355/0x5b0 [ 287.693669][ C1] bio_endio+0x321/0x850 [ 287.693697][ C1] ? blk_account_io_completion.part.0+0x146/0x280 [ 287.693754][ C1] blk_update_request+0x96b/0x1630 [ 287.693797][ C1] blk_mq_end_request+0x5b/0x630 [ 287.693834][ C1] blk_mq_complete_request+0x8b/0xb0 [ 287.693865][ C1] null_queue_rq+0xb69/0xfd0 [ 287.693913][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.693955][ C1] null_queue_rqs+0xe9/0x2f0 [ 287.694002][ C1] ? __pfx_null_queue_rqs+0x10/0x10 [ 287.694049][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.694088][ C1] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.694137][ C1] __blk_mq_flush_list+0x9a/0xc0 [ 287.694189][ C1] blk_mq_dispatch_queue_requests+0x184/0x7b0 [ 287.694237][ C1] blk_mq_flush_plug_list+0x1f2/0x600 [ 287.694282][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.694319][ C1] ? update_io_ticks+0x137/0x2a0 [ 287.694358][ C1] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 287.694401][ C1] ? __pfx_update_io_ticks+0x10/0x10 [ 287.694446][ C1] blk_add_rq_to_plug+0x1ca/0x540 [ 287.694492][ C1] blk_mq_submit_bio+0x18d5/0x26a0 [ 287.694539][ C1] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 287.694593][ C1] ? __lock_acquire+0x622/0x1c90 [ 287.694648][ C1] __submit_bio+0x3cf/0x690 [ 287.694687][ C1] ? __pfx___submit_bio+0x10/0x10 [ 287.694733][ C1] ? __pfx_blk_cgroup_bio_start+0x10/0x10 [ 287.694774][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.694812][ C1] ? bio_associate_blkg_from_css+0x550/0x13e0 [ 287.694853][ C1] ? submit_bio_noacct_nocheck+0x660/0xd30 [ 287.694893][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.694931][ C1] submit_bio_noacct_nocheck+0x660/0xd30 [ 287.694971][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.695012][ C1] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.695058][ C1] ? __pfx___might_resched+0x10/0x10 [ 287.695097][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.695134][ C1] ? pfn_valid+0x6f/0x4d0 [ 287.695164][ C1] submit_bio_noacct+0x50d/0x1eb0 [ 287.695210][ C1] bio_chain_and_submit+0x2e/0x40 [ 287.695244][ C1] __blkdev_issue_zero_pages+0x1ab/0x380 [ 287.695296][ C1] blkdev_issue_zeroout+0x3ab/0x840 [ 287.695341][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.695378][ C1] ? __mutex_unlock_slowpath+0x161/0x6a0 [ 287.695413][ C1] ? __pfx_blkdev_issue_zeroout+0x10/0x10 [ 287.695465][ C1] ? __pfx_truncate_bdev_range+0x10/0x10 [ 287.695514][ C1] ? blkdev_fallocate+0x31f/0x3b0 [ 287.695559][ C1] blkdev_fallocate+0x31f/0x3b0 [ 287.695610][ C1] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.695657][ C1] vfs_fallocate+0x60b/0x10c0 [ 287.695695][ C1] ? __pfx_vfs_fallocate+0x10/0x10 [ 287.695730][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.695768][ C1] ? rcu_is_watching+0x12/0xc0 [ 287.695806][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.695851][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.695888][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.695942][ C1] __x64_sys_fallocate+0xd5/0x150 [ 287.695982][ C1] do_syscall_64+0xcd/0x4c0 [ 287.696014][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.696046][ C1] RIP: 0033:0x7fde4c9a5b29 [ 287.696069][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 287.696099][ C1] RSP: 002b:00007ffcb0387d98 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.696127][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde4c9a5b29 [ 287.696147][ C1] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.696166][ C1] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.696186][ C1] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.696205][ C1] R13: 00007ffcb0387fb8 R14: 00007ffcb0387dc0 R15: 00007ffcb0387db0 [ 287.696238][ C1] [ 287.696250][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.613 msecs [ 287.698830][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 288.297997][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) [ 288.308116][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 288.318209][ T31] Call Trace: [ 288.321505][ T31] [ 288.324456][ T31] dump_stack_lvl+0x3d/0x1f0 [ 288.329108][ T31] panic+0x71c/0x800 [ 288.333052][ T31] ? __pfx___irq_work_queue_local+0x10/0x10 [ 288.338990][ T31] ? __pfx_panic+0x10/0x10 [ 288.343459][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 288.348878][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.354554][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 288.359974][ T31] ? watchdog+0xdda/0x12c0 [ 288.364429][ T31] ? watchdog+0xdcd/0x12c0 [ 288.368893][ T31] watchdog+0xdeb/0x12c0 [ 288.373182][ T31] ? __pfx_watchdog+0x10/0x10 [ 288.377929][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 288.383182][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.388858][ T31] ? __kthread_parkme+0x19e/0x250 [ 288.393928][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.399604][ T31] ? __pfx_watchdog+0x10/0x10 [ 288.404335][ T31] kthread+0x3c5/0x780 [ 288.408464][ T31] ? __pfx_kthread+0x10/0x10 [ 288.413173][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.418848][ T31] ? rcu_is_watching+0x12/0xc0 [ 288.423653][ T31] ? __pfx_kthread+0x10/0x10 [ 288.428308][ T31] ret_from_fork+0x5d7/0x6f0 [ 288.432950][ T31] ? __pfx_kthread+0x10/0x10 [ 288.437600][ T31] ret_from_fork_asm+0x1a/0x30 [ 288.442424][ T31] [ 288.447712][ T31] Kernel Offset: disabled [ 288.452138][ T31] Rebooting in 86400 seconds..