./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1841304947 <...> Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. execve("./syz-executor1841304947", ["./syz-executor1841304947"], 0x7ffd0ba4aca0 /* 10 vars */) = 0 brk(NULL) = 0x55556026d000 brk(0x55556026dd00) = 0x55556026dd00 arch_prctl(ARCH_SET_FS, 0x55556026d380) = 0 set_tid_address(0x55556026d650) = 5839 set_robust_list(0x55556026d660, 24) = 0 rseq(0x55556026dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1841304947", 4096) = 28 getrandom("\x42\x88\xbd\x7b\x6a\x23\xb1\x23", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556026dd00 brk(0x55556028ed00) = 0x55556028ed00 brk(0x55556028f000) = 0x55556028f000 mprotect(0x7f558daaa000, 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 5840 attached , child_tidptr=0x55556026d650) = 5840 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached [pid 5840] set_robust_list(0x55556026d660, 24) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... clone resumed>, child_tidptr=0x55556026d650) = 5841 [pid 5841] set_robust_list(0x55556026d660, 24 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5844 attached ./strace-static-x86_64: Process 5843 attached [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] set_robust_list(0x55556026d660, 24 [pid 5843] set_robust_list(0x55556026d660, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55556026d650) = 5843 ./strace-static-x86_64: Process 5845 attached [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55556026d650) = 5844 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] set_robust_list(0x55556026d660, 24 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... clone resumed>, child_tidptr=0x55556026d650) = 5845 [pid 5843] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5847 attached ./strace-static-x86_64: Process 5846 attached [pid 5845] <... set_robust_list resumed>) = 0 [pid 5847] set_robust_list(0x55556026d660, 24 [pid 5846] set_robust_list(0x55556026d660, 24 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... clone resumed>, child_tidptr=0x55556026d650) = 5846 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... prctl resumed>) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55556026d650) = 5847 [pid 5845] setpgid(0, 0 [pid 5843] setpgid(0, 0 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... setpgid resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5848 attached [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... prctl resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] <... clone resumed>, child_tidptr=0x55556026d650) = 5848 [pid 5848] set_robust_list(0x55556026d660, 24 [pid 5843] <... openat resumed>) = 3 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5849 attached [pid 5849] set_robust_list(0x55556026d660, 24 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] setpgid(0, 0 [pid 5845] <... openat resumed>) = 3 [pid 5843] write(3, "1000", 4./strace-static-x86_64: Process 5850 attached [pid 5849] <... set_robust_list resumed>) = 0 [pid 5846] <... setpgid resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 5843] <... write resumed>) = 4 [pid 5839] <... clone resumed>, child_tidptr=0x55556026d650) = 5850 [pid 5850] set_robust_list(0x55556026d660, 24) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... write resumed>) = 4 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] <... prctl resumed>) = 0 [pid 5847] <... clone resumed>, child_tidptr=0x55556026d650) = 5849 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] close(3 [pid 5843] close(3./strace-static-x86_64: Process 5851 attached executing program executing program [pid 5849] setpgid(0, 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5849] <... setpgid resumed>) = 0 [pid 5845] write(1, "executing program\n", 18 [pid 5843] write(1, "executing program\n", 18 [pid 5845] <... write resumed>) = 18 [pid 5843] <... write resumed>) = 18 [pid 5851] set_robust_list(0x55556026d660, 24 [pid 5843] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5845] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5851] <... set_robust_list resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0 [pid 5843] <... openat resumed>) = 3 [pid 5851] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... clone resumed>, child_tidptr=0x55556026d650) = 5851 [pid 5852] set_robust_list(0x55556026d660, 24) = 0 [pid 5851] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... clone resumed>, child_tidptr=0x55556026d650) = 5852 [pid 5846] write(3, "1000", 4 [pid 5845] <... openat resumed>) = 3 [pid 5843] dup(3 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] write(3, "1000", 4 [pid 5849] <... openat resumed>) = 3 [pid 5846] <... write resumed>) = 4 executing program [pid 5845] dup(3 [pid 5843] <... dup resumed>) = 4 [pid 5846] close(3 [pid 5845] <... dup resumed>) = 4 [pid 5843] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5845] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5852] <... prctl resumed>) = 0 [pid 5851] <... write resumed>) = 4 [pid 5852] setpgid(0, 0 [pid 5851] close(3 [pid 5852] <... setpgid resumed>) = 0 [pid 5851] <... close resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] write(1, "executing program\n", 18 [pid 5852] <... openat resumed>) = 3 [pid 5851] <... write resumed>) = 18 [pid 5851] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT) = 3 [pid 5851] dup(3) = 4 [pid 5852] write(3, "1000", 4 [pid 5851] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5852] <... write resumed>) = 4 [pid 5852] close(3) = 0 [pid 5852] write(1, "executing program\n", 18executing program ) = 18 [pid 5852] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT) = 3 [pid 5849] write(3, "1000", 4 [pid 5846] <... close resumed>) = 0 [pid 5852] dup(3executing program [pid 5849] <... write resumed>) = 4 [pid 5846] write(1, "executing program\n", 18 [pid 5852] <... dup resumed>) = 4 [pid 5849] close(3 [pid 5846] <... write resumed>) = 18 [pid 5852] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5849] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT [pid 5849] write(1, "executing program\n", 18executing program ) = 18 [pid 5849] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_DIRECT) = 3 [pid 5849] dup(3) = 4 [pid 5849] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5846] <... openat resumed>) = 3 [pid 5846] dup(3) = 4 [pid 5846] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 17592202829824 [pid 5840] kill(-5843, SIGKILL) = 0 [pid 5840] kill(5843, SIGKILL) = 0 [pid 5841] kill(-5845, SIGKILL) = 0 [pid 5841] kill(5845, SIGKILL) = 0 [pid 5850] kill(-5851, SIGKILL [pid 5847] kill(-5849, SIGKILL [pid 5844] kill(-5846, SIGKILL [pid 5850] <... kill resumed>) = 0 [pid 5847] <... kill resumed>) = 0 [pid 5844] <... kill resumed>) = 0 [pid 5844] kill(5846, SIGKILL) = 0 [pid 5847] kill(5849, SIGKILL [pid 5850] kill(5851, SIGKILL [pid 5847] <... kill resumed>) = 0 [pid 5850] <... kill resumed>) = 0 [pid 5848] kill(-5852, SIGKILL) = 0 [pid 5848] kill(5852, SIGKILL) = 0 [pid 5840] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5841] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5850] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] getdents64(3, [pid 5850] <... openat resumed>) = 3 [pid 5840] <... getdents64 resumed>0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5841] newfstatat(3, "", [pid 5850] newfstatat(3, "", [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5840] close(3 [pid 5850] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... close resumed>) = 0 [pid 5850] getdents64(3, [pid 5841] getdents64(3, [pid 5850] <... getdents64 resumed>0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5841] <... getdents64 resumed>0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5850] getdents64(3, [pid 5847] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] <... getdents64 resumed>0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5841] getdents64(3, [pid 5850] close(3 [pid 5847] <... openat resumed>) = 3 [pid 5844] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... getdents64 resumed>0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5850] <... close resumed>) = 0 [pid 5847] newfstatat(3, "", [pid 5844] <... openat resumed>) = 3 [pid 5841] close(3 [pid 5847] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... close resumed>) = 0 [pid 5847] getdents64(3, [pid 5844] newfstatat(3, "", [pid 5847] <... getdents64 resumed>0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5847] getdents64(3, [pid 5844] getdents64(3, [pid 5847] <... getdents64 resumed>0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5847] close(3) = 0 [pid 5844] <... getdents64 resumed>0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(3, 0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5848] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5848] getdents64(3, 0x55556026e6f0 /* 2 entries */, 32768) = 48 [pid 5848] getdents64(3, 0x55556026e6f0 /* 0 entries */, 32768) = 0 [pid 5848] close(3) = 0 [ 285.781743][ T31] INFO: task syz-executor184:5845 blocked for more than 143 seconds. [ 285.789891][ T31] Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 [ 285.811207][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.831194][ T31] task:syz-executor184 state:D stack:28456 pid:5845 tgid:5845 ppid:5841 task_flags:0x400040 flags:0x00004006 [ 285.851404][ T31] Call Trace: [ 285.854705][ T31] [ 285.857662][ T31] __schedule+0x116a/0x5de0 [ 285.870031][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.881457][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 285.886457][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.911429][ T31] ? __lock_acquire+0x622/0x1c90 [ 285.916443][ T31] ? __pfx___schedule+0x10/0x10 [ 285.921362][ T31] ? find_held_lock+0x2b/0x80 [ 285.926694][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.932433][ T31] schedule+0xe7/0x3a0 [ 285.936558][ T31] schedule_preempt_disabled+0x13/0x30 [ 285.942171][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 285.948036][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 285.954287][ T31] ? __pfx___might_resched+0x10/0x10 [ 285.959620][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.965410][ T31] down_write+0x1d6/0x200 [ 285.969783][ T31] ? __pfx_down_write+0x10/0x10 [ 285.974755][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.980449][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 285.985504][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 285.990942][ T31] vfs_fallocate+0x60b/0x10c0 [ 285.995703][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.000881][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.006677][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.011516][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.016769][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.022552][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.027792][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.033518][ T31] do_syscall_64+0xcd/0x4c0 [ 286.038078][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.044138][ T31] RIP: 0033:0x7f558da37b29 [ 286.048579][ T31] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.057067][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 286.071420][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.079444][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.101567][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.109724][ T31] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 286.134432][ T31] [ 286.141743][ T31] INFO: task syz-executor184:5846 blocked for more than 143 seconds. [ 286.149858][ T31] Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 [ 286.188944][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.217658][ T31] task:syz-executor184 state:D stack:28712 pid:5846 tgid:5846 ppid:5844 task_flags:0x400040 flags:0x00004006 [ 286.241426][ T31] Call Trace: [ 286.244764][ T31] [ 286.247723][ T31] __schedule+0x116a/0x5de0 [ 286.261441][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.269211][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 286.276182][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.281908][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.286952][ T31] ? __pfx___schedule+0x10/0x10 [ 286.291923][ T31] ? find_held_lock+0x2b/0x80 [ 286.296655][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.302376][ T31] schedule+0xe7/0x3a0 [ 286.306506][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.312188][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.317968][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.324225][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.329556][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.335297][ T31] down_write+0x1d6/0x200 [ 286.339671][ T31] ? __pfx_down_write+0x10/0x10 [ 286.344620][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.350313][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.355269][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.360705][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.365476][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.370632][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.381418][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.386307][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.398891][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.409030][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.414567][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.419653][ T31] do_syscall_64+0xcd/0x4c0 [ 286.425726][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.432030][ T31] RIP: 0033:0x7f558da37b29 [ 286.436487][ T31] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.445378][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 286.453705][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.461972][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.469982][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.478446][ T31] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 286.490147][ T31] [ 286.493479][ T31] INFO: task syz-executor184:5849 blocked for more than 144 seconds. [ 286.503657][ T31] Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 [ 286.510969][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.520098][ T31] task:syz-executor184 state:D stack:28712 pid:5849 tgid:5849 ppid:5847 task_flags:0x400040 flags:0x00004006 [ 286.532474][ T31] Call Trace: [ 286.535778][ T31] [ 286.538729][ T31] __schedule+0x116a/0x5de0 [ 286.543759][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.549484][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 286.554881][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.560562][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.565850][ T31] ? __pfx___schedule+0x10/0x10 [ 286.570828][ T31] ? find_held_lock+0x2b/0x80 [ 286.576038][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.582099][ T31] schedule+0xe7/0x3a0 [ 286.586326][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.592297][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.598087][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.604772][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.610121][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.616375][ T31] down_write+0x1d6/0x200 [ 286.620764][ T31] ? __pfx_down_write+0x10/0x10 [ 286.626029][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.632026][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.636941][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.645130][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.649875][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.655413][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.661093][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.666324][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.671847][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.677529][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.683157][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.688291][ T31] do_syscall_64+0xcd/0x4c0 [ 286.693265][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.699205][ T31] RIP: 0033:0x7f558da37b29 [ 286.704007][ T31] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.712733][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 286.720733][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.729085][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.737366][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.745605][ T31] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 286.753906][ T31] [ 286.757005][ T31] INFO: task syz-executor184:5851 blocked for more than 144 seconds. [ 286.771830][ T31] Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 [ 286.779140][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.801787][ T31] task:syz-executor184 state:D stack:28712 pid:5851 tgid:5851 ppid:5850 task_flags:0x400040 flags:0x00004006 [ 286.815962][ T31] Call Trace: [ 286.819274][ T31] [ 286.822685][ T31] __schedule+0x116a/0x5de0 [ 286.827348][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.833411][ T31] ? __lock_acquire+0x622/0x1c90 [ 286.838511][ T31] ? __pfx___schedule+0x10/0x10 [ 286.851436][ T31] ? find_held_lock+0x2b/0x80 [ 286.856173][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.862273][ T31] schedule+0xe7/0x3a0 [ 286.866405][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.872687][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 286.878638][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.885235][ T31] ? __pfx___might_resched+0x10/0x10 [ 286.890577][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.896643][ T31] down_write+0x1d6/0x200 [ 286.901026][ T31] ? __pfx_down_write+0x10/0x10 [ 286.906280][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.912220][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 286.917142][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.922931][ T31] vfs_fallocate+0x60b/0x10c0 [ 286.927663][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 286.933228][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.938912][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.943929][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.949277][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.957326][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 286.962800][ T31] __x64_sys_fallocate+0xd5/0x150 [ 286.967880][ T31] do_syscall_64+0xcd/0x4c0 [ 286.972785][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.978715][ T31] RIP: 0033:0x7f558da37b29 [ 286.983508][ T31] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.992209][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 287.000212][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.008570][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.016840][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.025070][ T31] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 287.033338][ T31] [ 287.036440][ T31] INFO: task syz-executor184:5852 blocked for more than 144 seconds. [ 287.044878][ T31] Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 [ 287.052535][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.061225][ T31] task:syz-executor184 state:D stack:28712 pid:5852 tgid:5852 ppid:5848 task_flags:0x400040 flags:0x00004006 [ 287.074002][ T31] Call Trace: [ 287.077307][ T31] [ 287.080265][ T31] __schedule+0x116a/0x5de0 [ 287.087687][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.093722][ T31] ? __lock_acquire+0xb8a/0x1c90 [ 287.098722][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.104790][ T31] ? __lock_acquire+0x622/0x1c90 [ 287.109797][ T31] ? __pfx___schedule+0x10/0x10 [ 287.115122][ T31] ? find_held_lock+0x2b/0x80 [ 287.119851][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.125887][ T31] schedule+0xe7/0x3a0 [ 287.130028][ T31] schedule_preempt_disabled+0x13/0x30 [ 287.135948][ T31] rwsem_down_write_slowpath+0x524/0x1310 [ 287.141939][ T31] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 287.148166][ T31] ? __pfx___might_resched+0x10/0x10 [ 287.153888][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.159573][ T31] down_write+0x1d6/0x200 [ 287.164296][ T31] ? __pfx_down_write+0x10/0x10 [ 287.169198][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.175317][ T31] blkdev_fallocate+0x1bd/0x3b0 [ 287.180238][ T31] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.186040][ T31] vfs_fallocate+0x60b/0x10c0 [ 287.190769][ T31] ? __pfx_vfs_fallocate+0x10/0x10 [ 287.196342][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.202255][ T31] ? rcu_is_watching+0x12/0xc0 [ 287.207068][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.212779][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.218460][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.224120][ T31] __x64_sys_fallocate+0xd5/0x150 [ 287.229205][ T31] do_syscall_64+0xcd/0x4c0 [ 287.234205][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.240141][ T31] RIP: 0033:0x7f558da37b29 [ 287.246382][ T31] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.255116][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 287.263356][ T31] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.271357][ T31] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.279777][ T31] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.288056][ T31] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 287.296404][ T31] [ 287.299501][ T31] [ 287.299501][ T31] Showing all locks held in the system: [ 287.307738][ T31] 2 locks held by ksoftirqd/0/15: [ 287.313596][ T31] 1 lock held by khungtaskd/31: [ 287.318553][ T31] #0: ffffffff8e5c4cc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 [ 287.328900][ T31] 2 locks held by kworker/u8:2/36: [ 287.334337][ T31] #0: ffff8880b843bdd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 287.344587][ T31] #1: ffff8880b8424088 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 [ 287.356420][ T31] 2 locks held by getty/5585: [ 287.361114][ T31] #0: ffff88803612a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.371327][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 [ 287.381900][ T31] 4 locks held by syz-executor184/5843: [ 287.387466][ T31] 1 lock held by syz-executor184/5845: [ 287.393362][ T31] #0: ffff888148d0d820 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.404432][ T31] 1 lock held by syz-executor184/5846: [ 287.409910][ T31] #0: ffff888148d0d820 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.423750][ T31] 1 lock held by syz-executor184/5849: [ 287.429238][ T31] #0: ffff888148d0d820 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.440616][ T31] 1 lock held by syz-executor184/5851: [ 287.446751][ T31] #0: ffff888148d0d820 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.457893][ T31] 1 lock held by syz-executor184/5852: [ 287.463632][ T31] #0: ffff888148d0d820 (&sb->s_type->i_mutex_key#8){++++}-{4:4}, at: blkdev_fallocate+0x1bd/0x3b0 [ 287.474835][ T31] [ 287.477177][ T31] ============================================= [ 287.477177][ T31] [ 287.486071][ T31] NMI backtrace for cpu 1 [ 287.486093][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full) [ 287.486143][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.486164][ T31] Call Trace: [ 287.486175][ T31] [ 287.486188][ T31] dump_stack_lvl+0x116/0x1f0 [ 287.486229][ T31] nmi_cpu_backtrace+0x27b/0x390 [ 287.486281][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.486334][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.486390][ T31] watchdog+0xf70/0x12c0 [ 287.486439][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.486477][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.486511][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.486558][ T31] ? __kthread_parkme+0x19e/0x250 [ 287.486607][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.486653][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.486693][ T31] kthread+0x3c5/0x780 [ 287.486726][ T31] ? __pfx_kthread+0x10/0x10 [ 287.486761][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.486803][ T31] ? rcu_is_watching+0x12/0xc0 [ 287.486849][ T31] ? __pfx_kthread+0x10/0x10 [ 287.486883][ T31] ret_from_fork+0x5d7/0x6f0 [ 287.486934][ T31] ? __pfx_kthread+0x10/0x10 [ 287.486968][ T31] ret_from_fork_asm+0x1a/0x30 [ 287.487026][ T31] [ 287.487038][ T31] Sending NMI from CPU 1 to CPUs 0: [ 287.623153][ C0] NMI backtrace for cpu 0 [ 287.623176][ C0] CPU: 0 UID: 0 PID: 5843 Comm: syz-executor184 Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full) [ 287.623217][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.623236][ C0] RIP: 0010:bio_split_rw+0x1ed/0x4a0 [ 287.623285][ C0] Code: 09 00 00 00 44 8b 63 20 e8 a0 c6 03 fd 41 83 fe 09 0f 84 e7 00 00 00 e8 51 cb 03 fd 48 8d 7b 24 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 [ 287.623316][ C0] RSP: 0018:ffffc90003e2f830 EFLAGS: 00000293 [ 287.623341][ C0] RAX: dffffc0000000000 RBX: ffff888142bff6c8 RCX: ffffffff84b84a70 [ 287.623362][ C0] RDX: ffff8880304c3c00 RSI: ffffffff84b84a7f RDI: ffff888142bff6ec [ 287.623383][ C0] RBP: ffff88807356fb40 R08: 0000000000000005 R09: 0000000000000009 [ 287.623402][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 287.623421][ C0] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001 [ 287.623443][ C0] FS: 000055556026d380(0000) GS:ffff88812475b000(0000) knlGS:0000000000000000 [ 287.623471][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.623491][ C0] CR2: 00007ffc5b16fc60 CR3: 0000000076748000 CR4: 0000000000350ef0 [ 287.623512][ C0] Call Trace: [ 287.623521][ C0] [ 287.623534][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.623578][ C0] blk_mq_submit_bio+0x143a/0x26a0 [ 287.623628][ C0] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 287.623679][ C0] ? __lock_acquire+0x622/0x1c90 [ 287.623736][ C0] __submit_bio+0x3cf/0x690 [ 287.623778][ C0] ? __pfx___submit_bio+0x10/0x10 [ 287.623826][ C0] ? __pfx_blk_cgroup_bio_start+0x10/0x10 [ 287.623876][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.623914][ C0] ? bio_associate_blkg_from_css+0x550/0x13e0 [ 287.623957][ C0] ? submit_bio_noacct_nocheck+0x660/0xd30 [ 287.624000][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.624038][ C0] submit_bio_noacct_nocheck+0x660/0xd30 [ 287.624081][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.624122][ C0] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.624169][ C0] ? __pfx___might_resched+0x10/0x10 [ 287.624210][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.624247][ C0] ? pfn_valid+0x6f/0x4d0 [ 287.624281][ C0] submit_bio_noacct+0x50d/0x1eb0 [ 287.624329][ C0] bio_chain_and_submit+0x2e/0x40 [ 287.624365][ C0] __blkdev_issue_zero_pages+0x1ab/0x380 [ 287.624419][ C0] blkdev_issue_zeroout+0x3ab/0x840 [ 287.624465][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.624503][ C0] ? __mutex_unlock_slowpath+0x161/0x6a0 [ 287.624541][ C0] ? __pfx_blkdev_issue_zeroout+0x10/0x10 [ 287.624596][ C0] ? __pfx_truncate_bdev_range+0x10/0x10 [ 287.624647][ C0] ? blkdev_fallocate+0x31f/0x3b0 [ 287.624694][ C0] blkdev_fallocate+0x31f/0x3b0 [ 287.624744][ C0] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.624793][ C0] vfs_fallocate+0x60b/0x10c0 [ 287.624834][ C0] ? __pfx_vfs_fallocate+0x10/0x10 [ 287.624875][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.624913][ C0] ? rcu_is_watching+0x12/0xc0 [ 287.624952][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.625000][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.625038][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.625071][ C0] __x64_sys_fallocate+0xd5/0x150 [ 287.625113][ C0] do_syscall_64+0xcd/0x4c0 [ 287.625148][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.625179][ C0] RIP: 0033:0x7f558da37b29 [ 287.625203][ C0] 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 [ 287.625233][ C0] RSP: 002b:00007ffcfe6ddf18 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.625262][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f558da37b29 [ 287.625282][ C0] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.625301][ C0] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.625320][ C0] R10: 0000100001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.625340][ C0] R13: 00007ffcfe6de138 R14: 00007ffcfe6ddf40 R15: 00007ffcfe6ddf30 [ 287.625373][ C0] [ 287.625385][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.232 msecs [ 287.630432][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 288.052034][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full) [ 288.063603][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 288.073672][ T31] Call Trace: [ 288.076969][ T31] [ 288.079906][ T31] dump_stack_lvl+0x3d/0x1f0 [ 288.084525][ T31] panic+0x71c/0x800 [ 288.088457][ T31] ? __pfx___irq_work_queue_local+0x10/0x10 [ 288.094385][ T31] ? __pfx_panic+0x10/0x10 [ 288.098840][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 288.104340][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.110017][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 288.115421][ T31] ? watchdog+0xdda/0x12c0 [ 288.119859][ T31] ? watchdog+0xdcd/0x12c0 [ 288.124336][ T31] watchdog+0xdeb/0x12c0 [ 288.128623][ T31] ? __pfx_watchdog+0x10/0x10 [ 288.133322][ T31] ? lockdep_hardirqs_on+0x7c/0x110 [ 288.138565][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.144234][ T31] ? __kthread_parkme+0x19e/0x250 [ 288.149354][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.155054][ T31] ? __pfx_watchdog+0x10/0x10 [ 288.159770][ T31] kthread+0x3c5/0x780 [ 288.163872][ T31] ? __pfx_kthread+0x10/0x10 [ 288.168486][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.174152][ T31] ? rcu_is_watching+0x12/0xc0 [ 288.178951][ T31] ? __pfx_kthread+0x10/0x10 [ 288.183566][ T31] ret_from_fork+0x5d7/0x6f0 [ 288.188196][ T31] ? __pfx_kthread+0x10/0x10 [ 288.192811][ T31] ret_from_fork_asm+0x1a/0x30 [ 288.197629][ T31] [ 288.200884][ T31] Kernel Offset: disabled [ 288.205223][ T31] Rebooting in 86400 seconds..