| TITLE: general protection fault in tipc_nametbl_unsubscribe |
| |
| [ 24.236490] kasan: CONFIG_KASAN_INLINE enabled |
| [ 24.241061] kasan: GPF could be caused by NULL-ptr deref or user memory access |
| [ 24.248411] general protection fault: 0000 [#1] SMP KASAN |
| [ 24.253918] Dumping ftrace buffer: |
| [ 24.257426] (ftrace buffer empty) |
| [ 24.261110] Modules linked in: |
| [ 24.264272] CPU: 0 PID: 4361 Comm: syzkaller865516 Not tainted 4.16.0-rc6+ #288 |
| [ 24.271683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 24.281013] RIP: 0010:__list_del_entry_valid+0x7e/0x150 |
| [ 24.286343] RSP: 0018:ffff8801ae29eec8 EFLAGS: 00010206 |
| [ 24.291674] RAX: dffffc0000000000 RBX: 00000000000001f8 RCX: 0000000000000000 |
| [ 24.298918] RDX: 000000000000003f RSI: ffff8801c9eb6cd8 RDI: ffff8801c9eb6ce0 |
| [ 24.306154] RBP: ffff8801ae29eee0 R08: ffffffff86b2cc9f R09: 0000000000000000 |
| [ 24.313392] R10: ffff8801ae29eda8 R11: ffff8801d08cf710 R12: 0000000000400040 |
| [ 24.320631] R13: ffff8801ae29f080 R14: ffff8801c9eb6cd8 R15: ffff8801d08cf6c0 |
| [ 24.327883] FS: 0000000000000000(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 |
| [ 24.336079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 24.341928] CR2: 0000000020265000 CR3: 000000000846a004 CR4: 00000000001606f0 |
| [ 24.349168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 24.356414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 24.363653] Call Trace: |
| [ 24.366212] ? _raw_spin_lock_bh+0x39/0x40 |
| [ 24.370417] tipc_nametbl_unsubscribe+0x337/0x990 |
| [ 24.375228] ? release_pages+0xbd3/0x1230 |
| [ 24.379344] ? tipc_nametbl_subscribe+0xf80/0xf80 |
| [ 24.384160] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 24.389322] ? __radix_tree_lookup+0x435/0x5e0 |
| [ 24.393874] ? lock_acquire+0x1d5/0x580 |
| [ 24.397815] ? lock_acquire+0x1d5/0x580 |
| [ 24.401756] ? tipc_conn_delete_sub+0x237/0x4a0 |
| [ 24.406390] ? tipc_conn_delete_sub+0x1f0/0x4a0 |
| [ 24.411027] tipc_sub_unsubscribe+0x6d/0x2e0 |
| [ 24.415416] ? tipc_conn_lookup+0x78/0x90 |
| [ 24.419535] ? tipc_sub_subscribe+0x510/0x510 |
| [ 24.424000] ? tipc_conn_delete_sub+0x237/0x4a0 |
| [ 24.428637] tipc_conn_delete_sub+0x324/0x4a0 |
| [ 24.433100] ? tipc_topsrv_accept+0x340/0x340 |
| [ 24.437564] ? trace_hardirqs_on+0xd/0x10 |
| [ 24.441684] ? __local_bh_enable_ip+0x121/0x230 |
| [ 24.446320] ? _raw_spin_unlock_bh+0x30/0x40 |
| [ 24.450696] tipc_topsrv_kern_unsubscr+0x21d/0x350 |
| [ 24.455591] ? tipc_dest_del+0x350/0x350 |
| [ 24.459618] ? tipc_topsrv_kern_subscr+0x9d0/0x9d0 |
| [ 24.464513] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 24.469668] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 24.474824] ? tipc_node_distr_xmit+0x212/0x2b0 |
| [ 24.479459] tipc_group_delete+0x2c0/0x3d0 |
| [ 24.483660] ? tipc_group_create+0x990/0x990 |
| [ 24.488034] ? lock_release+0xa40/0xa40 |
| [ 24.491977] ? __tipc_shutdown+0x916/0xc80 |
| [ 24.496178] ? do_raw_spin_trylock+0x190/0x190 |
| [ 24.500727] ? tipc_sk_respond+0x550/0x550 |
| [ 24.504941] tipc_sk_leave+0x10b/0x200 |
| [ 24.508795] ? tipc_sk_withdraw+0x6e0/0x6e0 |
| [ 24.513087] ? lock_sock_nested+0x91/0x110 |
| [ 24.517289] ? __local_bh_enable_ip+0x121/0x230 |
| [ 24.521925] tipc_release+0x154/0xff0 |
| [ 24.525694] ? lock_acquire+0x1d5/0x580 |
| [ 24.529636] ? mntput_no_expire+0x130/0xa90 |
| [ 24.533925] ? tipc_sk_backlog_rcv+0x390/0x390 |
| [ 24.538478] ? lock_release+0xa40/0xa40 |
| [ 24.542420] ? list_lru_count_node+0x70/0x70 |
| [ 24.546797] ? do_raw_spin_trylock+0x190/0x190 |
| [ 24.551351] ? locks_remove_file+0x3fa/0x5a0 |
| [ 24.555726] ? fcntl_setlk+0x1100/0x1100 |
| [ 24.559757] ? fsnotify+0x7b3/0x1140 |
| [ 24.563441] ? fsnotify_first_mark+0x2b0/0x2b0 |
| [ 24.568001] sock_release+0x8d/0x1e0 |
| [ 24.571681] ? sock_alloc_file+0x560/0x560 |
| [ 24.575881] sock_close+0x16/0x20 |
| [ 24.579303] __fput+0x327/0x7e0 |
| [ 24.582551] ? fput+0x140/0x140 |
| [ 24.585799] ? check_same_owner+0x320/0x320 |
| [ 24.590087] ? lock_release+0xa40/0xa40 |
| [ 24.594028] ____fput+0x15/0x20 |
| [ 24.597274] task_work_run+0x199/0x270 |
| [ 24.601129] ? task_work_cancel+0x210/0x210 |
| [ 24.605416] ? _raw_spin_unlock+0x22/0x30 |
| [ 24.609531] ? switch_task_namespaces+0x87/0xc0 |
| [ 24.614172] do_exit+0x9bb/0x1ad0 |
| [ 24.617594] ? mm_update_next_owner+0x930/0x930 |
| [ 24.622234] ? do_raw_spin_trylock+0x190/0x190 |
| [ 24.626789] ? release_sock+0x1d4/0x2a0 |
| [ 24.630732] ? lock_downgrade+0x980/0x980 |
| [ 24.634849] ? lock_downgrade+0x980/0x980 |
| [ 24.638964] ? lock_release+0xa40/0xa40 |
| [ 24.642914] ? tipc_nametbl_build_group+0x3a0/0x3a0 |
| [ 24.647899] ? tipc_nametbl_build_group+0x277/0x3a0 |
| [ 24.652883] ? __lockdep_init_map+0xe4/0x650 |
| [ 24.657257] ? lock_downgrade+0x980/0x980 |
| [ 24.661379] ? do_raw_spin_trylock+0x190/0x190 |
| [ 24.665929] ? release_sock+0x1d4/0x2a0 |
| [ 24.669869] ? __local_bh_enable_ip+0x121/0x230 |
| [ 24.674504] ? _raw_spin_unlock_bh+0x30/0x40 |
| [ 24.678879] ? release_sock+0x1d4/0x2a0 |
| [ 24.682821] ? __release_sock+0x360/0x360 |
| [ 24.686935] ? tipc_nametbl_build_group+0x2a0/0x3a0 |
| [ 24.691919] ? tipc_setsockopt+0x7b1/0xcf0 |
| [ 24.696119] ? fsnotify+0x7b3/0x1140 |
| [ 24.699799] ? tipc_sk_leave+0x200/0x200 |
| [ 24.703828] ? __fdget+0x18/0x20 |
| [ 24.707164] ? security_socket_setsockopt+0x89/0xb0 |
| [ 24.712148] ? SyS_setsockopt+0x215/0x360 |
| [ 24.716264] do_group_exit+0x149/0x400 |
| [ 24.720117] ? SyS_recv+0x40/0x40 |
| [ 24.723536] ? SyS_write+0x184/0x220 |
| [ 24.727216] ? SyS_exit+0x30/0x30 |
| [ 24.730637] ? SyS_read+0x220/0x220 |
| [ 24.734232] ? do_group_exit+0x400/0x400 |
| [ 24.738259] SyS_exit_group+0x1d/0x20 |
| [ 24.742028] do_syscall_64+0x281/0x940 |
| [ 24.745888] ? vmalloc_sync_all+0x30/0x30 |
| [ 24.750003] ? trace_hardirqs_on_thunk+0x1a/0x1c |
| [ 24.754725] ? syscall_return_slowpath+0x550/0x550 |
| [ 24.759621] ? syscall_return_slowpath+0x2ac/0x550 |
| [ 24.764518] ? prepare_exit_to_usermode+0x350/0x350 |
| [ 24.769502] ? prepare_exit_to_usermode+0x227/0x350 |
| [ 24.774487] ? perf_trace_sys_enter+0xcb0/0xcb0 |
| [ 24.779125] ? trace_hardirqs_off_thunk+0x1a/0x1c |
| [ 24.783938] entry_SYSCALL_64_after_hwframe+0x42/0xb7 |
| [ 24.789094] RIP: 0033:0x43f0d8 |
| [ 24.792253] RSP: 002b:00007ffca6e03198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 |
| [ 24.799926] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f0d8 |
| [ 24.807163] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 |
| [ 24.814409] RBP: 00000000004bf1c8 R08: 00000000000000e7 R09: ffffffffffffffd0 |
| [ 24.821645] R10: 0000000020265000 R11: 0000000000000246 R12: 0000000000000001 |
| [ 24.828883] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 |
| [ 24.836125] Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 |
| [ 24.855193] RIP: __list_del_entry_valid+0x7e/0x150 RSP: ffff8801ae29eec8 |
| [ 24.862043] ---[ end trace 31f0221025ea0e3e ]--- |
| [ 24.866777] Kernel panic - not syncing: Fatal exception in interrupt |
| [ 24.873566] Dumping ftrace buffer: |
| [ 24.877075] (ftrace buffer empty) |
| [ 24.880756] Kernel Offset: disabled |
| [ 24.884355] Rebooting in 86400 seconds.. |
