[ 31.788686] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 31.796852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.805386] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 31.814530] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 31.821492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 31.968433] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 32.387966] can: request_module (can-proto-0) failed. [ 32.397553] can: request_module (can-proto-0) failed. [ 32.408166] can: request_module (can-proto-0) failed. [ 42.173746] unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. [ 50.076505] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) [ 50.109031] ------------[ cut here ]------------ [ 50.113948] WARNING: CPU: 0 PID: 8290 at fs/udf/inode.c:1991 __udf_add_aext+0x4d1/0x6c0 [ 50.122188] Kernel panic - not syncing: panic_on_warn set ... [ 50.122188] [ 50.129631] CPU: 0 PID: 8290 Comm: syz-executor116 Not tainted 4.14.275-syzkaller #0 [ 50.137487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.146913] Call Trace: [ 50.149578] dump_stack+0x14b/0x1e7 [ 50.153191] ? __udf_add_aext+0x4d1/0x6c0 [ 50.157321] panic+0x1b0/0x358 [ 50.160659] ? add_taint.cold.4+0x11/0x11 [ 50.164790] ? __udf_add_aext+0x4d1/0x6c0 [ 50.168915] __warn.cold.7+0x25/0x25 [ 50.172609] ? __udf_add_aext+0x4d1/0x6c0 [ 50.176745] report_bug+0x1a1/0x200 [ 50.180365] ? debug_smp_processor_id+0x17/0x20 [ 50.185271] do_error_trap+0x1bd/0x310 [ 50.189135] ? math_error+0x300/0x300 [ 50.192927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.197743] do_invalid_op+0x1b/0x20 [ 50.201437] invalid_op+0x1b/0x40 [ 50.204871] RIP: 0010:__udf_add_aext+0x4d1/0x6c0 [ 50.209604] RSP: 0018:ffff8880b2b46b90 EFLAGS: 00010287 [ 50.214944] RAX: 0000000000000000 RBX: ffff8880b2b47140 RCX: 00000000c0000200 [ 50.222356] RDX: ffff8880b2b46ccc RSI: 0000000000000001 RDI: 0000000000000000 [ 50.229693] RBP: ffff8880b2b46be0 R08: 00000000000001e8 R09: ffff88808e1cce14 [ 50.236950] R10: ffff88808e1cce17 R11: 0000000000000001 R12: ffff888089d3c160 [ 50.244205] R13: 0000000000000010 R14: 00000000000001d0 R15: ffff888089d3c040 [ 50.251472] udf_setup_indirect_aext+0x5d7/0x780 [ 50.256293] ? mutex_unlock+0xd/0x10 [ 50.260114] ? udf_current_aext+0x8b0/0x8b0 [ 50.264424] ? udf_new_block+0x242/0x450 [ 50.268475] ? mark_buffer_dirty+0x2e2/0x3c0 [ 50.272887] udf_add_aext+0x1aa/0x2a0 [ 50.276671] ? udf_setup_indirect_aext+0x780/0x780 [ 50.281684] ? udf_next_aext+0x1ef/0x360 [ 50.285747] ? udf_prealloc_blocks+0x1b2/0x420 [ 50.290409] inode_getblk+0x1761/0x3c90 [ 50.294360] ? lock_downgrade+0x7f0/0x7f0 [ 50.298494] ? udf_delete_aext+0x970/0x970 [ 50.302713] ? trace_hardirqs_on+0x10/0x10 [ 50.306930] ? mem_cgroup_uncharge+0xe0/0xe0 [ 50.311316] ? __lock_acquire+0x701/0x42d0 [ 50.315546] ? __lock_acquire+0x701/0x42d0 [ 50.319757] ? mem_cgroup_uncharge+0xe0/0xe0 [ 50.324206] ? trace_hardirqs_on+0x10/0x10 [ 50.328439] ? release_pages+0x7f4/0xd70 [ 50.332481] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 50.337495] ? udf_clear_extent_cache+0x9a/0xd0 [ 50.342257] ? lock_acquire+0x17e/0x3e0 [ 50.346210] ? do_raw_spin_unlock+0x16a/0x250 [ 50.350708] ? _raw_spin_unlock+0x2c/0x50 [ 50.354857] udf_get_block+0x115/0x480 [ 50.358735] ? udf_block_map+0x260/0x260 [ 50.362781] ? _raw_spin_unlock+0x2c/0x50 [ 50.366916] ? create_empty_buffers+0x269/0x480 [ 50.371565] __block_write_begin_int+0x327/0x1640 [ 50.376411] ? udf_block_map+0x260/0x260 [ 50.380486] ? __breadahead_gfp+0xa0/0xa0 [ 50.384730] ? pagecache_get_page+0x22b/0x7c0 [ 50.389210] ? udf_block_map+0x260/0x260 [ 50.393249] block_write_begin+0x48/0x240 [ 50.397383] udf_write_begin+0x2f/0x90 [ 50.401442] generic_perform_write+0x227/0x450 [ 50.406215] ? filemap_page_mkwrite+0x290/0x290 [ 50.410876] ? file_update_time+0xde/0x360 [ 50.415113] ? current_time+0xa0/0xa0 [ 50.418998] ? udf_file_write_iter+0x23c/0x470 [ 50.423564] ? lock_downgrade+0x7f0/0x7f0 [ 50.427693] ? udf_file_write_iter+0x99/0x470 [ 50.432183] __generic_file_write_iter+0x205/0x590 [ 50.437099] udf_file_write_iter+0x247/0x470 [ 50.441511] __vfs_write+0x413/0x840 [ 50.445209] ? kernel_read+0x130/0x130 [ 50.449088] __kernel_write+0xe4/0x360 [ 50.452956] ? __might_sleep+0x93/0xb0 [ 50.456822] write_pipe_buf+0x14c/0x1e0 [ 50.460772] ? generic_file_read_iter+0x5b2/0x1f30 [ 50.465716] ? default_file_splice_read+0x8c0/0x8c0 [ 50.470710] __splice_from_pipe+0x2cb/0x720 [ 50.475007] ? default_file_splice_read+0x8c0/0x8c0 [ 50.479999] ? default_file_splice_read+0x8c0/0x8c0 [ 50.485259] splice_from_pipe+0xb5/0x110 [ 50.489293] ? splice_shrink_spd+0xa0/0xa0 [ 50.493589] default_file_splice_write+0x18/0x50 [ 50.498315] direct_splice_actor+0x104/0x1c0 [ 50.502866] splice_direct_to_actor+0x27c/0x750 [ 50.507515] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 50.512438] ? pipe_to_sendpage+0x420/0x420 [ 50.517050] ? do_splice_to+0x120/0x120 [ 50.521002] ? __lock_acquire+0x701/0x42d0 [ 50.525213] ? rw_verify_area+0xb8/0x2b0 [ 50.529260] do_splice_direct+0x144/0x250 [ 50.533414] ? splice_direct_to_actor+0x750/0x750 [ 50.538255] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.543246] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 50.547983] do_sendfile+0x46c/0xcf0 [ 50.551675] ? do_compat_pwritev64+0x180/0x180 [ 50.556336] ? kasan_check_write+0x14/0x20 [ 50.560554] SyS_sendfile64+0x97/0x110 [ 50.564448] ? SyS_sendfile+0x120/0x120 [ 50.568403] ? do_syscall_64+0x4c/0x5b0 [ 50.572353] ? SyS_sendfile+0x120/0x120 [ 50.576303] do_syscall_64+0x1c7/0x5b0 [ 50.580704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.585615] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.590788] RIP: 0033:0x7fc6f26b1679 [ 50.594475] RSP: 002b:00007ffc90954f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 50.602179] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc6f26b1679 [ 50.609516] RDX: 0000000020000240 RSI: 0000000000000004 RDI: 0000000000000004 [ 50.616760] RBP: 00007fc6f2670e70 R08: 0000000000000000 R09: 0000000000000000 [ 50.624005] R10: 0000000000007fff R11: 0000000000000246 R12: 00007fc6f2670f00 [ 50.631253] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.638885] Kernel Offset: disabled [ 50.642545] Rebooting in 86400 seconds..