[ 57.826336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.826340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.826356] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.858344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.890338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.890339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.903374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.922332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.954378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.960990] bridge0: port 1(bridge_slave_0) entered forwarding state Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. [ 470.649057] ------------[ cut here ]------------ [ 470.653909] kernel BUG at fs/ext4/inode.c:2345! [ 470.658549] invalid opcode: 0000 [#1] SMP [ 470.663033] Modules linked in: [ 470.666356] CPU: 0 PID: 7541 Comm: syz-executor256 Not tainted 4.1.0-syzkaller #0 [ 470.673950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.683280] task: ffff88020f9a6a10 ti: ffff880213c94000 task.ti: ffff880213c94000 [ 470.690873] RIP: 0010:[] [] mpage_prepare_extent_to_map+0x2e0/0x2f0 [ 470.700705] RSP: 0018:ffff880213c977f8 EFLAGS: 00010246 [ 470.706131] RAX: 02fffc0000020039 RBX: ffff880213c97828 RCX: 0000000000000001 [ 470.713461] RDX: 0000000080000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 470.720901] RBP: ffff880213c978d8 R08: 0000000000000000 R09: 0000000000000000 [ 470.728177] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000008 [ 470.735425] R13: 7fffffffffffffff R14: ffffea00084d2a00 R15: ffff880213c97988 [ 470.742710] FS: 00007fda96422700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 470.750920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.756784] CR2: 00007fda9635be78 CR3: 00000000b77a6000 CR4: 00000000001407f0 [ 470.764032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 470.771277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 470.778521] Stack: [ 470.780642] 0000000000000000 0000000000000002 ffff8800bb2d3bd0 ffff880213c97858 [ 470.788686] ffff880213c97838 0000000000000008 0000000000000007 0000000000000000 [ 470.796787] ffffea00084d2a00 ffffea00084e7940 ffffea00082769c0 ffffea000836f440 [ 470.804844] Call Trace: [ 470.807408] [] ? ext4_journal_check_start+0x24/0xb0 [ 470.814742] [] ? __ext4_journal_start_sb+0x5c/0x2d0 [ 470.821379] [] ext4_writepages+0x52f/0x1300 [ 470.827322] [] ? __ext4_handle_dirty_metadata+0x110/0x220 [ 470.834483] [] do_writepages+0x1c/0x30 [ 470.840009] [] __filemap_fdatawrite_range+0x51/0x60 [ 470.846654] [] filemap_write_and_wait_range+0x28/0x70 [ 470.853474] [] generic_file_direct_write+0x46/0x170 [ 470.860123] [] ? file_update_time+0xa0/0xf0 [ 470.866071] [] __generic_file_write_iter+0xac/0x1d0 [ 470.872715] [] ext4_file_write_iter+0x19d/0x4a0 [ 470.879010] [] vfs_iter_write+0x62/0xa0 [ 470.884610] [] iter_file_splice_write+0x254/0x3a0 [ 470.891091] [] direct_splice_actor+0x31/0x40 [ 470.897143] [] splice_direct_to_actor+0xcc/0x210 [ 470.903524] [] ? generic_pipe_buf_nosteal+0x10/0x10 [ 470.910165] [] do_splice_direct+0x8a/0xb0 [ 470.916286] [] do_sendfile+0x1ab/0x3a0 [ 470.921799] [] SyS_sendfile64+0x4f/0xb0 [ 470.927403] [] system_call_fastpath+0x16/0x7a [ 470.933523] Code: 96 e7 ff e9 9a fe ff ff 0f 1f 00 be 0d 00 00 00 4c 89 f7 e8 c3 91 e7 ff 49 8b 06 f6 c4 20 0f 84 c9 fe ff ff 0f 0b 0f 1f 44 00 00 <0f> 0b 48 8d bd 50 ff ff ff e8 e2 cf e8 ff eb 8b 55 48 89 e5 41 [ 470.960900] RIP [] mpage_prepare_extent_to_map+0x2e0/0x2f0 [ 470.968281] RSP [ 470.971985] ---[ end trace 6c2bc5b545f2e0b3 ]--- [ 470.976776] Kernel panic - not syncing: Fatal exception [ 470.982846] Kernel Offset: disabled