[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.80' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.037549] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.045424] gfs2: fsid=syz:syz: Now mounting FS... [ 45.056147] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents [ 45.063075] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.069611] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.079627] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.084285] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.102532] FAULT_INJECTION: forcing a failure. [ 45.102532] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 45.114386] CPU: 0 PID: 8101 Comm: syz-executor181 Not tainted 4.19.211-syzkaller #0 [ 45.122262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 45.131611] Call Trace: [ 45.134197] dump_stack+0x1fc/0x2ef [ 45.137812] should_fail.cold+0xa/0xf [ 45.141599] ? setup_fault_attr+0x200/0x200 [ 45.145991] ? lock_downgrade+0x720/0x720 [ 45.150121] __alloc_pages_nodemask+0x239/0x2890 [ 45.154861] ? ima_match_policy+0xa00/0x12e0 [ 45.159251] ? __lock_acquire+0x6de/0x3ff0 [ 45.163469] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 45.168292] ? lock_downgrade+0x720/0x720 [ 45.172424] ? lock_acquire+0x170/0x3c0 [ 45.176389] ? process_measurement+0x926/0x1440 [ 45.181046] ? __lock_acquire+0x6de/0x3ff0 [ 45.185272] cache_grow_begin+0xa4/0x8a0 [ 45.189319] ? setup_fault_attr+0x200/0x200 [ 45.193622] ? lock_acquire+0x170/0x3c0 [ 45.197580] cache_alloc_refill+0x273/0x340 [ 45.201891] kmem_cache_alloc+0x346/0x370 [ 45.206043] ? gfs2_i_callback+0x60/0x60 [ 45.210087] ? gfs2_mount+0x5a0/0x5a0 [ 45.213868] ? iget_test+0x80/0x80 [ 45.217389] gfs2_alloc_inode+0x38/0x160 [ 45.221431] ? gfs2_i_callback+0x60/0x60 [ 45.225473] alloc_inode+0x5d/0x180 [ 45.229083] iget5_locked+0x57/0xd0 [ 45.232694] gfs2_inode_lookup+0x104/0xa50 [ 45.236918] ? gfs2_create+0x40/0x40 [ 45.240615] ? lock_downgrade+0x720/0x720 [ 45.244741] ? depot_save_stack+0x1e0/0x410 [ 45.249044] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 45.254128] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.258690] gfs2_lookup_by_inum+0x44/0x170 [ 45.262995] gfs2_fh_to_dentry+0x20c/0x290 [ 45.267212] ? __lock_acquire+0x6de/0x3ff0 [ 45.271434] ? gfs2_fh_to_parent+0x280/0x280 [ 45.275828] exportfs_decode_fh+0x126/0x7e0 [ 45.280131] ? drop_caches_sysctl_handler+0x110/0x110 [ 45.285299] ? gfs2_fh_to_parent+0x280/0x280 [ 45.289691] ? reconnect_path+0x7e0/0x7e0 [ 45.293825] ? __vfs_write+0xff/0x770 [ 45.297624] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.302628] ? common_file_perm+0x4e5/0x850 [ 45.306946] ? kernel_read+0x110/0x110 [ 45.310825] ? __might_fault+0x11f/0x1d0 [ 45.314881] ? lock_downgrade+0x720/0x720 [ 45.319015] ? lock_acquire+0x170/0x3c0 [ 45.322972] ? __might_fault+0xef/0x1d0 [ 45.326940] ? __might_fault+0x192/0x1d0 [ 45.330989] do_handle_open+0x2f4/0x650 [ 45.334961] ? do_sys_name_to_handle+0x480/0x480 [ 45.339704] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.344799] ? do_syscall_64+0x21/0x620 [ 45.348795] do_syscall_64+0xf9/0x620 [ 45.352584] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.357755] RIP: 0033:0x7fbdf65119f9 [ 45.361453] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 45.380338] RSP: 002b:00007ffe5f4a5ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 45.388028] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbdf65119f9 [ 45.395279] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 45.402534] RBP: 00007ffe5f4a5f20 R08: 0000000000000001 R09: 00007ffe5f4a5f30 [ 45.409782] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 45.417039] R13: 00007ffe5f4a5f60 R14: 00007ffe5f4a5f40 R15: 0000000000000000 executing program [ 45.614368] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.622155] gfs2: fsid=syz:syz: Now mounting FS... [ 45.632137] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents [ 45.638511] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.644573] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.655108] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.660130] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.678922] FAULT_INJECTION: forcing a failure. [ 45.678922] name failslab, interval 1, probability 0, space 0, times 1 [ 45.694022] CPU: 0 PID: 8119 Comm: syz-executor181 Not tainted 4.19.211-syzkaller #0 [ 45.701913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 45.711271] Call Trace: [ 45.713852] dump_stack+0x1fc/0x2ef [ 45.717462] should_fail.cold+0xa/0xf [ 45.721247] ? setup_fault_attr+0x200/0x200 [ 45.725556] __should_failslab+0x115/0x180 [ 45.729784] should_failslab+0x5/0x10 [ 45.733572] kmem_cache_alloc+0x277/0x370 [ 45.737716] gfs2_glock_get+0x208/0xf10 [ 45.741679] ? gfs2_glock_add_to_lru+0x90/0x90 [ 45.746249] ? iget_test+0x80/0x80 [ 45.749776] ? gfs2_mount+0x5a0/0x5a0 [ 45.753557] ? iget_test+0x80/0x80 [ 45.757081] gfs2_inode_lookup+0x283/0xa50 [ 45.761301] ? gfs2_create+0x40/0x40 [ 45.764999] ? kernel_text_address+0xbd/0xf0 [ 45.769398] ? __kernel_text_address+0x9/0x30 [ 45.773896] ? unwind_get_return_address+0x51/0x90 [ 45.778807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.784155] ? __save_stack_trace+0xaf/0x190 [ 45.788553] gfs2_lookup_by_inum+0x44/0x170 [ 45.792860] gfs2_fh_to_dentry+0x20c/0x290 [ 45.797076] ? __lock_acquire+0x6de/0x3ff0 [ 45.801295] ? gfs2_fh_to_parent+0x280/0x280 [ 45.805783] exportfs_decode_fh+0x126/0x7e0 [ 45.810086] ? drop_caches_sysctl_handler+0x110/0x110 [ 45.815265] ? gfs2_fh_to_parent+0x280/0x280 [ 45.819656] ? reconnect_path+0x7e0/0x7e0 [ 45.823795] ? __vfs_write+0xff/0x770 [ 45.827588] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.832506] ? common_file_perm+0x4e5/0x850 [ 45.836820] ? kernel_read+0x110/0x110 [ 45.840696] ? __might_fault+0x11f/0x1d0 [ 45.844745] ? lock_downgrade+0x720/0x720 [ 45.848877] ? lock_acquire+0x170/0x3c0 [ 45.852844] ? __might_fault+0xef/0x1d0 [ 45.856899] ? __might_fault+0x192/0x1d0 [ 45.860952] do_handle_open+0x2f4/0x650 [ 45.864910] ? do_sys_name_to_handle+0x480/0x480 [ 45.869654] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.874688] ? do_syscall_64+0x21/0x620 [ 45.878655] do_syscall_64+0xf9/0x620 [ 45.882439] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.887614] RIP: 0033:0x7fbdf65119f9 [ 45.891307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 45.910190] RSP: 002b:00007ffe5f4a5ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 45.917880] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbdf65119f9 [ 45.925137] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 45.932477] RBP: 00007ffe5f4a5f20 R08: 0000000000000001 R09: 00007ffe5f4a5f30 [ 45.939732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 45.946986] R13: 00007ffe5f4a5f60 R14: 00007ffe5f4a5f40 R15: 0000000000000001 [ 45.955522] kasan: CONFIG_KASAN_INLINE enabled [ 45.960103] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.967461] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.973690] CPU: 0 PID: 8119 Comm: syz-executor181 Not tainted 4.19.211-syzkaller #0 [ 45.981560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 45.990902] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 45.995722] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 46.014601] RSP: 0018:ffff888097d77670 EFLAGS: 00010002 [ 46.019943] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 46.027190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000001 [ 46.034440] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 46.041861] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 46.049128] R13: ffff8880b014e300 R14: 0000000000000038 R15: 0000000000000001 [ 46.056374] FS: 000055555575f300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 46.064577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.070436] CR2: 00005654ee166c70 CR3: 00000000b507f000 CR4: 00000000003406f0 [ 46.077684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.084936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.092184] Call Trace: [ 46.094761] ? mark_held_locks+0xf0/0xf0 [ 46.098809] ? mark_held_locks+0xf0/0xf0 [ 46.102852] ? mark_held_locks+0xf0/0xf0 [ 46.106891] ? __lock_acquire+0x6de/0x3ff0 [ 46.111107] ? gfs2_dir_hash_inval+0x53/0x70 [ 46.115496] lock_acquire+0x170/0x3c0 [ 46.119277] ? gfs2_evict_inode+0x773/0x14b0 [ 46.123665] _raw_spin_lock+0x2a/0x40 [ 46.127444] ? gfs2_evict_inode+0x773/0x14b0 [ 46.131831] gfs2_evict_inode+0x773/0x14b0 [ 46.136045] ? evict+0x2b7/0x760 [ 46.139389] ? gfs2_alloc_inode+0x160/0x160 [ 46.143689] ? lock_downgrade+0x720/0x720 [ 46.147814] ? gfs2_alloc_inode+0x160/0x160 [ 46.152119] evict+0x2ed/0x760 [ 46.155549] iput+0x4f1/0x860 [ 46.158635] gfs2_inode_lookup+0x45b/0xa50 [ 46.162847] ? gfs2_create+0x40/0x40 [ 46.166541] ? kernel_text_address+0xbd/0xf0 [ 46.170929] ? __kernel_text_address+0x9/0x30 [ 46.175402] ? unwind_get_return_address+0x51/0x90 [ 46.180314] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.185656] ? __save_stack_trace+0xaf/0x190 [ 46.190044] gfs2_lookup_by_inum+0x44/0x170 [ 46.194345] gfs2_fh_to_dentry+0x20c/0x290 [ 46.198563] ? __lock_acquire+0x6de/0x3ff0 [ 46.202784] ? gfs2_fh_to_parent+0x280/0x280 [ 46.207172] exportfs_decode_fh+0x126/0x7e0 [ 46.211472] ? drop_caches_sysctl_handler+0x110/0x110 [ 46.216638] ? gfs2_fh_to_parent+0x280/0x280 [ 46.221027] ? reconnect_path+0x7e0/0x7e0 [ 46.225153] ? __vfs_write+0xff/0x770 [ 46.228936] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.233852] ? common_file_perm+0x4e5/0x850 [ 46.238149] ? kernel_read+0x110/0x110 [ 46.242015] ? __might_fault+0x11f/0x1d0 [ 46.246055] ? lock_downgrade+0x720/0x720 [ 46.250182] ? lock_acquire+0x170/0x3c0 [ 46.254133] ? __might_fault+0xef/0x1d0 [ 46.258087] ? __might_fault+0x192/0x1d0 [ 46.262134] do_handle_open+0x2f4/0x650 [ 46.266090] ? do_sys_name_to_handle+0x480/0x480 [ 46.270826] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.275819] ? do_syscall_64+0x21/0x620 [ 46.279771] do_syscall_64+0xf9/0x620 [ 46.283554] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.288722] RIP: 0033:0x7fbdf65119f9 [ 46.292418] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48 [ 46.311303] RSP: 002b:00007ffe5f4a5ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130 [ 46.318989] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbdf65119f9 [ 46.326237] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 46.333570] RBP: 00007ffe5f4a5f20 R08: 0000000000000001 R09: 00007ffe5f4a5f30 [ 46.340818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 46.348070] R13: 00007ffe5f4a5f60 R14: 00007ffe5f4a5f40 R15: 0000000000000001 [ 46.355755] Modules linked in: [ 46.358930] ---[ end trace ac79e0a720fda49b ]--- [ 46.363668] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 46.368489] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 46.387366] RSP: 0018:ffff888097d77670 EFLAGS: 00010002 [ 46.392708] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 46.399958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000001 [ 46.407204] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 46.414452] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 46.421699] R13: ffff8880b014e300 R14: 0000000000000038 R15: 0000000000000001 [ 46.428948] FS: 000055555575f300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 46.437159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.443023] CR2: 00005654ee166c70 CR3: 00000000b507f000 CR4: 00000000003406f0 [ 46.450270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.457515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.464763] Kernel panic - not syncing: Fatal exception [ 46.470277] Kernel Offset: disabled [ 46.473885] Rebooting in 86400 seconds..