./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3170246228 <...> Warning: Permanently added '10.128.1.112' (ECDSA) to the list of known hosts. execve("./syz-executor3170246228", ["./syz-executor3170246228"], 0x7ffe4f382000 /* 10 vars */) = 0 brk(NULL) = 0x55555704d000 brk(0x55555704dc40) = 0x55555704dc40 arch_prctl(ARCH_SET_FS, 0x55555704d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3170246228", 4096) = 28 brk(0x55555706ec40) = 0x55555706ec40 brk(0x55555706f000) = 0x55555706f000 mprotect(0x7ff020d1c000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555704d5d0) = 4996 ./strace-static-x86_64: Process 4996 attached [pid 4996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4996] setpgid(0, 0) = 0 [pid 4996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] write(3, "1000", 4) = 4 [pid 4996] close(3) = 0 [pid 4996] memfd_create("syzkaller", 0) = 3 [pid 4996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff01885d000 syzkaller login: [ 72.294487][ T4996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4996 'syz-executor317' [pid 4996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 4996] munmap(0x7ff01885d000, 16777216) = 0 [pid 4996] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 4996] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4996] close(3) = 0 [pid 4996] mkdir("./file0", 0777) = 0 [ 72.500797][ T4996] loop0: detected capacity change from 0 to 32768 [ 72.514812][ T4996] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor317 (4996) [ 72.535539][ T4996] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [pid 4996] mount("/dev/loop0", "./file0", "btrfs", MS_NOSUID|MS_NODEV|MS_SYNCHRONOUS, "noinode_cache,") = 0 [pid 4996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 4996] chdir("./file0") = 0 [pid 4996] ioctl(4, LOOP_CLR_FD) = 0 [pid 4996] close(4) = 0 [pid 4996] openat(AT_FDCWD, "blkio.throttle.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 4996] mmap(0x20000000, 12288, PROT_WRITE|PROT_EXEC|PROT_GROWSUP, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 4996] ftruncate(4, 32769) = 0 [ 72.544799][ T4996] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 72.556071][ T4996] BTRFS info (device loop0): using free space tree [ 72.581081][ T4996] BTRFS info (device loop0): enabling ssd optimizations [ 72.588402][ T4996] BTRFS info (device loop0): auto enabling async discard [pid 4996] ioctl(4, FS_IOC_FIEMAP, 0x200000c0 [pid 4995] kill(-4996, SIGKILL) = 0 [pid 4995] kill(4996, SIGKILL) = 0 [pid 4995] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4995] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 4995] getdents64(3, 0x55555704e620 /* 2 entries */, 32768) = 48 [pid 4995] getdents64(3, 0x55555704e620 /* 0 entries */, 32768) = 0 [pid 4995] close(3) = 0 [ 81.661326][ T2040] cfg80211: failed to load regulatory.db [ 286.459572][ T28] INFO: task syz-executor317:4996 blocked for more than 143 seconds. [ 286.467795][ T28] Not tainted 6.4.0-rc1-syzkaller #0 [ 286.473758][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.482550][ T28] task:syz-executor317 state:D stack:22864 pid:4996 ppid:4995 flags:0x00004004 [ 286.492029][ T28] Call Trace: [ 286.495338][ T28] [ 286.498273][ T28] __schedule+0x187b/0x4900 [ 286.503203][ T28] ? release_firmware_map_entry+0x190/0x190 [ 286.509152][ T28] ? __lock_acquire+0x2000/0x2000 [ 286.514532][ T28] ? do_raw_spin_unlock+0x13b/0x8b0 [ 286.520042][ T28] schedule+0xc3/0x180 [ 286.524168][ T28] wait_extent_bit+0x50c/0x670 [ 286.529047][ T28] ? clear_state_bit+0x330/0x330 [ 286.534170][ T28] ? wake_bit_function+0x220/0x220 [ 286.539423][ T28] lock_extent+0x1ce/0x280 [ 286.543879][ T28] ? __might_sleep+0xc0/0xc0 [ 286.548510][ T28] ? try_lock_extent+0x1a0/0x1a0 [ 286.553602][ T28] ? __file_remove_privs+0x640/0x640 [ 286.559042][ T28] ? folio_wait_writeback+0x1b2/0x1f0 [ 286.564529][ T28] btrfs_page_mkwrite+0x556/0xc90 [ 286.569782][ T28] ? btrfs_dio_write+0x100/0x100 [ 286.574744][ T28] do_page_mkwrite+0x1a4/0x600 [ 286.579568][ T28] do_wp_page+0x501/0x3690 [ 286.584039][ T28] ? folio_lock_or_retry+0x1c0/0x1c0 [ 286.589482][ T28] ? do_raw_spin_lock+0x14d/0x3a0 [ 286.594563][ T28] ? __rwlock_init+0x150/0x150 [ 286.599452][ T28] handle_mm_fault+0x2371/0x5860 [ 286.604461][ T28] ? numa_migrate_prep+0x380/0x380 [ 286.609711][ T28] ? mtree_destroy+0x30/0x30 [ 286.614404][ T28] ? exc_page_fault+0x12b/0x910 [ 286.619287][ T28] exc_page_fault+0x7d2/0x910 [ 286.624113][ T28] asm_exc_page_fault+0x26/0x30 [ 286.629051][ T28] RIP: 0010:rep_movs_alternative+0x33/0xb0 [ 286.635001][ T28] Code: 46 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb [ 286.654755][ T28] RSP: 0018:ffffc90003a5f550 EFLAGS: 00050206 [ 286.660906][ T28] RAX: 0000000000000000 RBX: 0000000020000118 RCX: 0000000000000038 [ 286.668898][ T28] RDX: 0000000000000000 RSI: ffffc90003a5f600 RDI: 00000000200000e0 [ 286.676972][ T28] RBP: ffffc90003a5f6b0 R08: dffffc0000000000 R09: fffff5200074bec7 [ 286.685014][ T28] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038 [ 286.693052][ T28] R13: ffffc90003a5f600 R14: 00000000200000e0 R15: ffffc90003a5f600 [ 286.701104][ T28] _copy_to_user+0x86/0xa0 [ 286.705622][ T28] fiemap_fill_next_extent+0x235/0x410 [ 286.711196][ T28] ? vfs_ioctl+0xc0/0xc0 [ 286.715911][ T28] ? lockdep_hardirqs_on+0x98/0x140 [ 286.721230][ T28] ? kmem_cache_free+0x297/0x520 [ 286.726248][ T28] extent_fiemap+0x1a54/0x1fc0 [ 286.731207][ T28] ? kasan_set_track+0x61/0x70 [ 286.736013][ T28] ? kasan_set_track+0x4f/0x70 [ 286.740884][ T28] ? try_release_extent_mapping+0x560/0x560 [ 286.746831][ T28] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 286.752904][ T28] ? print_irqtrace_events+0x1a0/0x220 [ 286.758406][ T28] ? kasan_quarantine_put+0xd8/0x230 [ 286.763777][ T28] ? kmem_cache_free+0x297/0x520 [ 286.768742][ T28] ? btrfs_wait_ordered_range+0x1c3/0x260 [ 286.774553][ T28] ? btrfs_wait_ordered_range+0x241/0x260 [ 286.780357][ T28] btrfs_fiemap+0x178/0x1e0 [ 286.784883][ T28] ? btrfs_getattr+0x4a0/0x4a0 [ 286.789720][ T28] ? __might_fault+0xba/0x120 [ 286.794454][ T28] ? btrfs_getattr+0x4a0/0x4a0 [ 286.799253][ T28] do_vfs_ioctl+0x19ba/0x2b10 [ 286.804012][ T28] ? __x64_compat_sys_ioctl+0x90/0x90 [ 286.809467][ T28] ? __lock_acquire+0x2000/0x2000 [ 286.814519][ T28] ? lockdep_hardirqs_on+0x98/0x140 [ 286.819789][ T28] ? __kmem_cache_free+0x264/0x3c0 [ 286.824926][ T28] ? tomoyo_path_number_perm+0x663/0x840 [ 286.830720][ T28] ? tomoyo_path_number_perm+0x6e4/0x840 [ 286.836393][ T28] ? smack_log+0x123/0x540 [ 286.840933][ T28] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 286.846424][ T28] ? smk_access+0x4b0/0x4b0 [ 286.851030][ T28] ? _raw_spin_lock_irqsave+0x120/0x120 [ 286.856617][ T28] ? smk_access+0x477/0x4b0 [ 286.861197][ T28] ? smk_tskacc+0x2ff/0x360 [ 286.865746][ T28] ? smack_file_ioctl+0x2ee/0x390 [ 286.870848][ T28] ? smack_file_alloc_security+0xe0/0xe0 [ 286.876521][ T28] ? bpf_lsm_file_ioctl+0x9/0x10 [ 286.881519][ T28] ? security_file_ioctl+0x81/0xa0 [ 286.886730][ T28] __se_sys_ioctl+0x81/0x160 [ 286.891428][ T28] do_syscall_64+0x41/0xc0 [ 286.895883][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.901844][ T28] RIP: 0033:0x7ff020caa2e9 [ 286.906283][ T28] RSP: 002b:00007ffd6ab81c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 286.914782][ T28] RAX: ffffffffffffffda RBX: 0000000020000080 RCX: 00007ff020caa2e9 [ 286.922806][ T28] RDX: 00000000200000c0 RSI: 00000000c020660b RDI: 0000000000000004 [ 286.930956][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 286.938960][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6ab81c70 [ 286.946985][ T28] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 286.955039][ T28] [ 286.958083][ T28] [ 286.958083][ T28] Showing all locks held in the system: [ 286.965894][ T28] 1 lock held by rcu_tasks_kthre/13: [ 286.971258][ T28] #0: ffffffff8cf27670 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 [ 286.981865][ T28] 1 lock held by rcu_tasks_trace/14: [ 286.987268][ T28] #0: ffffffff8cf27a30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 [ 286.998433][ T28] 1 lock held by khungtaskd/28: [ 287.003343][ T28] #0: ffffffff8cf274a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 287.012820][ T28] 2 locks held by getty/4748: [ 287.017514][ T28] #0: ffff88802d632098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.027426][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 [ 287.037663][ T28] 4 locks held by syz-executor317/4996: [ 287.043258][ T28] #0: ffff888075e70598 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: btrfs_inode_lock+0x60/0xd0 [ 287.054030][ T28] #1: ffff88802d615b68 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x1b9/0x910 [ 287.063581][ T28] #2: ffff888022718558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x1a4/0x600 [ 287.073205][ T28] #3: ffff888075e70420 (&ei->i_mmap_lock){.+.+}-{3:3}, at: btrfs_page_mkwrite+0x427/0xc90 [ 287.083376][ T28] [ 287.085756][ T28] ============================================= [ 287.085756][ T28] [ 287.094245][ T28] NMI backtrace for cpu 1 [ 287.098609][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller #0 [ 287.106685][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 287.116749][ T28] Call Trace: [ 287.120036][ T28] [ 287.122977][ T28] dump_stack_lvl+0x1e7/0x2d0 [ 287.127682][ T28] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.133158][ T28] ? panic+0x770/0x770 [ 287.137245][ T28] nmi_cpu_backtrace+0x498/0x4d0 [ 287.142195][ T28] ? vprintk_emit+0x10d/0x1f0 [ 287.146910][ T28] ? nmi_trigger_cpumask_backtrace+0x300/0x300 [ 287.153078][ T28] ? _printk+0xd5/0x120 [ 287.157249][ T28] ? panic+0x770/0x770 [ 287.161333][ T28] ? __wake_up_klogd+0xcc/0x100 [ 287.166202][ T28] ? panic+0x770/0x770 [ 287.170400][ T28] ? __rcu_read_unlock+0x96/0x100 [ 287.175437][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.181538][ T28] nmi_trigger_cpumask_backtrace+0x187/0x300 [ 287.187531][ T28] watchdog+0xec2/0xf00 [ 287.191724][ T28] kthread+0x2b8/0x350 [ 287.195805][ T28] ? hungtask_pm_notify+0x90/0x90 [ 287.200855][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.205464][ T28] ret_from_fork+0x1f/0x30 [ 287.209926][ T28] [ 287.213667][ T28] Sending NMI from CPU 1 to CPUs 0: [ 287.218914][ C0] NMI backtrace for cpu 0 [ 287.218924][ C0] CPU: 0 PID: 10 Comm: kworker/u4:0 Not tainted 6.4.0-rc1-syzkaller #0 [ 287.218940][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 287.218950][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.218971][ C0] RIP: 0010:switch_mm_irqs_off+0x4d/0xb10 [ 287.219000][ C0] Code: 8b 04 25 28 00 00 00 48 89 84 24 a0 00 00 00 49 bc 00 00 00 00 00 fc ff df 4c 8d b4 24 80 00 00 00 48 c7 44 24 60 b3 8a b5 41 <48> c7 44 24 68 4d 35 81 8c 48 c7 44 24 70 00 ba 3d 81 48 8d 54 24 [ 287.219012][ C0] RSP: 0018:ffffc900000f7720 EFLAGS: 00000082 [ 287.219025][ C0] RAX: cc1d6891b8a16300 RBX: ffff888012468000 RCX: ffff888015a51dc0 [ 287.219037][ C0] RDX: ffff888015a51dc0 RSI: ffff888012468000 RDI: 0000000000000000 [ 287.219048][ C0] RBP: ffffc900000f7810 R08: ffffffff81ee9929 R09: fffffbfff1cab7de [ 287.219060][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 287.219071][ C0] R13: ffffc900000f78e0 R14: ffffc900000f77a0 R15: 8000000001e25063 [ 287.219083][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.219096][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.219106][ C0] CR2: 0000564cf3a95680 CR3: 000000000cd30000 CR4: 00000000003506f0 [ 287.219121][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.219129][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.219139][ C0] Call Trace: [ 287.219143][ C0] [ 287.219151][ C0] ? __rwlock_init+0x150/0x150 [ 287.219175][ C0] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 287.219203][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.219218][ C0] ? __text_poke+0x9b0/0x9b0 [ 287.219240][ C0] __text_poke+0x5a3/0x9b0 [ 287.219261][ C0] ? text_poke_sync+0x20/0x20 [ 287.219285][ C0] ? kmem_cache_alloc_lru+0x5a/0x2e0 [ 287.219300][ C0] ? __text_poke+0x9b0/0x9b0 [ 287.219323][ C0] ? text_poke+0x90/0x90 [ 287.219350][ C0] ? kmem_cache_alloc_bulk+0xe3/0x4b0 [ 287.219372][ C0] ? smp_call_function_many+0x40/0x40 [ 287.219396][ C0] ? perf_event_bpf_output+0x2f0/0x2f0 [ 287.219425][ C0] text_poke_bp_batch+0x66f/0x950 [ 287.219453][ C0] ? kmem_cache_alloc_bulk+0xe4/0x4b0 [ 287.219469][ C0] ? text_poke_loc_init+0x680/0x680 [ 287.219494][ C0] ? arch_jump_label_transform_queue+0x81/0xd0 [ 287.219519][ C0] text_poke_finish+0x1a/0x30 [ 287.219541][ C0] arch_jump_label_transform_apply+0x17/0x30 [ 287.219561][ C0] static_key_disable_cpuslocked+0xce/0x1b0 [ 287.219585][ C0] static_key_disable+0x1a/0x20 [ 287.219606][ C0] toggle_allocation_gate+0x1b8/0x250 [ 287.219623][ C0] ? show_object+0xa0/0xa0 [ 287.219638][ C0] ? print_irqtrace_events+0x220/0x220 [ 287.219658][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.219684][ C0] process_one_work+0x8a0/0x10e0 [ 287.219718][ C0] ? worker_detach_from_pool+0x290/0x290 [ 287.219745][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 287.219760][ C0] ? kthread_data+0x52/0xc0 [ 287.219781][ C0] ? wq_worker_running+0x9b/0x1a0 [ 287.219808][ C0] worker_thread+0xa63/0x1210 [ 287.219847][ C0] kthread+0x2b8/0x350 [ 287.219865][ C0] ? pr_cont_work+0x5e0/0x5e0 [ 287.219888][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.219909][ C0] ret_from_fork+0x1f/0x30 [ 287.219939][ C0] [ 287.219945][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.031 msecs [ 287.220913][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 287.220926][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller #0 [ 287.220947][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 287.220959][ T28] Call Trace: [ 287.220966][ T28] [ 287.220974][ T28] dump_stack_lvl+0x1e7/0x2d0 [ 287.221012][ T28] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.221045][ T28] ? panic+0x770/0x770 [ 287.221076][ T28] ? vscnprintf+0x5d/0x80 [ 287.221105][ T28] panic+0x30f/0x770 [ 287.221132][ T28] ? nmi_trigger_cpumask_backtrace+0x233/0x300 [ 287.221156][ T28] ? __memcpy_flushcache+0x2b0/0x2b0 [ 287.221188][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.221224][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.221247][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.221270][ T28] ? nmi_trigger_cpumask_backtrace+0x23c/0x300 [ 287.221301][ T28] watchdog+0xf00/0xf00 [ 287.221342][ T28] kthread+0x2b8/0x350 [ 287.221366][ T28] ? hungtask_pm_notify+0x90/0x90 [ 287.221394][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.221422][ T28] ret_from_fork+0x1f/0x30 [ 287.221464][ T28] [ 287.224598][ T28] Kernel Offset: disabled [ 287.668432][ T28] Rebooting in 86400 seconds..