Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. [ 49.455912] BFS-fs: bfs_fill_super(): loop3 is unclean, continuing [ 49.463420] BFS-fs: bfs_fill_super(): loop1 is unclean, continuing [ 49.464287] BFS-fs: bfs_fill_super(): loop0 is unclean, continuing [ 49.479139] BFS-fs: bfs_fill_super(): loop5 is unclean, continuing [ 49.486681] BFS-fs: bfs_fill_super(): loop2 is unclean, continuing [ 49.502886] audit: type=1804 audit(1649798233.321:2): pid=8306 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor271" name="/root/file0/bus" dev="loop1" ino=3 res=1 [ 49.523296] BFS-fs: bfs_fill_super(): loop4 is unclean, continuing [ 49.570129] ------------[ cut here ]------------ [ 49.575169] WARNING: CPU: 0 PID: 8305 at fs/buffer.c:1149 mark_buffer_dirty+0x2c3/0x3c0 [ 49.583400] Kernel panic - not syncing: panic_on_warn set ... [ 49.583400] [ 49.589579] audit: type=1804 audit(1649798233.321:3): pid=8305 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor271" name="/root/file0/bus" dev="loop3" ino=3 res=1 [ 49.590810] CPU: 0 PID: 8305 Comm: syz-executor271 Not tainted 4.14.275-syzkaller #0 [ 49.590820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.590823] Call Trace: [ 49.590834] dump_stack+0x14b/0x1e7 [ 49.590842] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.590851] panic+0x1b0/0x358 [ 49.632893] kasan: CONFIG_KASAN_INLINE enabled [ 49.633166] ? add_taint.cold.4+0x11/0x11 [ 49.633180] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.633186] __warn.cold.7+0x25/0x25 [ 49.633192] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.655886] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.657600] report_bug+0x1a1/0x200 [ 49.657608] ? debug_smp_processor_id+0x17/0x20 [ 49.657614] do_error_trap+0x1bd/0x310 [ 49.657620] ? math_error+0x300/0x300 [ 49.657630] ? mark_held_locks+0xc7/0x130 [ 49.657638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.657646] do_invalid_op+0x1b/0x20 [ 49.657652] invalid_op+0x1b/0x40 [ 49.657659] RIP: 0010:mark_buffer_dirty+0x2c3/0x3c0 [ 49.657662] RSP: 0018:ffff8880ab457268 EFLAGS: 00010246 [ 49.657668] RAX: 0000000000000020 RBX: ffff88808a18c000 RCX: 0000000000000000 [ 49.657671] RDX: 1ffff11011431800 RSI: ffff8880ab304400 RDI: ffff88808a18c000 [ 49.657673] RBP: ffff8880ab457288 R08: 0000000000000000 R09: 0000000000000008 [ 49.657676] R10: ffffed10111c10bf R11: ffff888088e085ff R12: ffff88808a188f18 [ 49.657678] R13: ffff8880a0b98e40 R14: ffffed10141731ed R15: ffff88808a18c000 [ 49.657695] bfs_get_block+0x31d/0xaf0 [ 49.673843] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.677693] __block_write_begin_int+0x327/0x1640 [ 49.681568] Modules linked in: [ 49.685455] ? bfs_writepage+0x20/0x20 [ 49.689591] CPU: 1 PID: 8313 Comm: syz-executor271 Not tainted 4.14.275-syzkaller #0 [ 49.694430] ? __breadahead_gfp+0xa0/0xa0 [ 49.698233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.701669] ? pagecache_get_page+0x2ca/0x7c0 [ 49.706742] task: ffff8880a04f01c0 task.stack: ffff88809a8c0000 [ 49.712551] ? __lock_acquire+0x701/0x42d0 [ 49.719989] RIP: 0010:bfs_get_block+0x302/0xaf0 [ 49.727502] ? bfs_writepage+0x20/0x20 [ 49.727507] block_write_begin+0x48/0x240 [ 49.734925] RSP: 0018:ffff88809a8c7298 EFLAGS: 00010206 [ 49.742571] bfs_write_begin+0x2f/0xb0 [ 49.749824] RAX: 0000000000000005 RBX: 000000000000001f RCX: dffffc0000000000 [ 49.753698] generic_perform_write+0x227/0x450 [ 49.759904] RDX: 0000000000000200 RSI: ffff8880941d8e00 RDI: 0000000000000028 [ 49.764740] ? filemap_page_mkwrite+0x290/0x290 [ 49.767908] RBP: ffff88809a8c7340 R08: 0000000000000001 R09: 0000000000000000 [ 49.772304] ? file_update_time+0xde/0x360 [ 49.780483] R10: 0000000000000078 R11: ffff8880a04f01c0 R12: ffff88808a19abd0 [ 49.784898] ? current_time+0xa0/0xa0 [ 49.794229] R13: ffff8880908b4800 R14: ffffed1012116925 R15: 0000000000000000 [ 49.798878] ? lock_acquire+0x17e/0x3e0 [ 49.805092] FS: 00007f95e670c700(0000) GS:ffff8880ba700000(0000) knlGS:0000000000000000 [ 49.809320] ? generic_file_write_iter+0x97/0x660 [ 49.813961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.817870] __generic_file_write_iter+0x205/0x590 [ 49.821997] CR2: 00007fdcc3200000 CR3: 0000000093313000 CR4: 00000000003406e0 [ 49.827342] generic_file_write_iter+0x302/0x660 [ 49.831217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.838466] __vfs_write+0x413/0x840 [ 49.843033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.850285] ? kernel_read+0x130/0x130 [ 49.855046] Call Trace: [ 49.862314] ? mark_held_locks+0xc7/0x130 [ 49.866546] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 49.873798] __kernel_write+0xe4/0x360 [ 49.878016] __block_write_begin_int+0x327/0x1640 [ 49.885260] ? __might_sleep+0x93/0xb0 [ 49.889212] ? bfs_writepage+0x20/0x20 [ 49.897849] write_pipe_buf+0x14c/0x1e0 [ 49.902677] ? __breadahead_gfp+0xa0/0xa0 [ 49.908536] ? default_file_splice_read+0x8c0/0x8c0 [ 49.913613] ? pagecache_get_page+0x2ca/0x7c0 [ 49.920864] __splice_from_pipe+0x2cb/0x720 [ 49.925777] ? __lock_acquire+0x701/0x42d0 [ 49.933358] ? default_file_splice_read+0x8c0/0x8c0 [ 49.937050] ? bfs_writepage+0x20/0x20 [ 49.945229] ? default_file_splice_read+0x8c0/0x8c0 [ 49.949093] block_write_begin+0x48/0x240 [ 49.951651] splice_from_pipe+0xb5/0x110 [ 49.955777] bfs_write_begin+0x2f/0xb0 [ 49.960824] ? splice_shrink_spd+0xa0/0xa0 [ 49.964790] generic_perform_write+0x227/0x450 [ 49.969614] default_file_splice_write+0x18/0x50 [ 49.973619] ? filemap_page_mkwrite+0x290/0x290 [ 49.977494] direct_splice_actor+0x104/0x1c0 [ 49.981442] ? file_update_time+0xde/0x360 [ 49.985569] ? alloc_pipe_info+0x244/0x340 [ 49.990568] ? current_time+0xa0/0xa0 [ 49.995043] splice_direct_to_actor+0x27c/0x750 [ 49.999442] ? lock_acquire+0x17e/0x3e0 [ 50.003649] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 50.008725] ? generic_file_write_iter+0x97/0x660 [ 50.012852] ? pipe_to_sendpage+0x420/0x420 [ 50.018117] __generic_file_write_iter+0x205/0x590 [ 50.022250] ? do_splice_to+0x120/0x120 [ 50.026316] generic_file_write_iter+0x302/0x660 [ 50.030178] ? rw_verify_area+0xb8/0x2b0 [ 50.034480] __vfs_write+0x413/0x840 [ 50.039035] do_splice_direct+0x144/0x250 [ 50.043763] ? kernel_read+0x130/0x130 [ 50.048410] ? splice_direct_to_actor+0x750/0x750 [ 50.052792] ? mark_held_locks+0xc7/0x130 [ 50.057001] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.061222] __kernel_write+0xe4/0x360 [ 50.065166] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 50.069809] ? __might_sleep+0x93/0xb0 [ 50.073756] do_sendfile+0x46c/0xcf0 [ 50.078660] write_pipe_buf+0x14c/0x1e0 [ 50.083506] ? do_compat_pwritev64+0x180/0x180 [ 50.087822] ? default_file_splice_read+0x8c0/0x8c0 [ 50.092838] ? SyS_futex+0x201/0x250 [ 50.096966] __splice_from_pipe+0x2cb/0x720 [ 50.101722] ? putname+0xa8/0xe0 [ 50.105967] ? default_file_splice_read+0x8c0/0x8c0 [ 50.109657] SyS_sendfile64+0xf5/0x110 [ 50.114039] ? default_file_splice_read+0x8c0/0x8c0 [ 50.117902] ? SyS_sendfile+0x120/0x120 [ 50.122721] splice_from_pipe+0xb5/0x110 [ 50.127103] ? do_syscall_64+0x4c/0x5b0 [ 50.132180] ? splice_shrink_spd+0xa0/0xa0 [ 50.136053] ? SyS_sendfile+0x120/0x120 [ 50.140904] default_file_splice_write+0x18/0x50 [ 50.144940] do_syscall_64+0x1c7/0x5b0 [ 50.148646] direct_splice_actor+0x104/0x1c0 [ 50.152711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.157288] ? alloc_pipe_info+0x244/0x340 [ 50.162833] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.166536] splice_direct_to_actor+0x27c/0x750 [ 50.171725] RIP: 0033:0x7f95e675f619 [ 50.175074] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 50.180324] RSP: 002b:00007f95e670c2f8 EFLAGS: 00000246 [ 50.184368] ? pipe_to_sendpage+0x420/0x420 [ 50.189407] ORIG_RAX: 0000000000000028 [ 50.196131] ? do_splice_to+0x120/0x120 [ 50.200203] RAX: ffffffffffffffda RBX: 00007f95e67e4420 RCX: 00007f95e675f619 [ 50.204291] ? rw_verify_area+0xb8/0x2b0 [ 50.209037] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 [ 50.213074] do_splice_direct+0x144/0x250 [ 50.218150] RBP: 00007f95e67b10a4 R08: 0000000000000000 R09: 0000000000000000 [ 50.218154] R10: 00008400fffffffa R11: 0000000000000246 R12: 0030656c69662f2e [ 50.222022] ? splice_direct_to_actor+0x750/0x750 [ 50.226422] R13: 000010011badface R14: 75ca34411a118209 R15: 00007f95e67e4428 [ 50.231240] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.330245] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 50.335256] do_sendfile+0x46c/0xcf0 [ 50.339234] ? do_compat_pwritev64+0x180/0x180 [ 50.343920] ? SyS_futex+0x201/0x250 [ 50.347628] ? putname+0xa8/0xe0 [ 50.351018] SyS_sendfile64+0xf5/0x110 [ 50.355813] ? SyS_sendfile+0x120/0x120 [ 50.359807] ? do_syscall_64+0x4c/0x5b0 [ 50.363776] ? SyS_sendfile+0x120/0x120 [ 50.367740] do_syscall_64+0x1c7/0x5b0 [ 50.371700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.376647] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 50.381823] RIP: 0033:0x7f95e675f619 [ 50.385521] RSP: 002b:00007f95e670c2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 50.393226] RAX: ffffffffffffffda RBX: 00007f95e67e4420 RCX: 00007f95e675f619 [ 50.400485] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 [ 50.407913] RBP: 00007f95e67b10a4 R08: 0000000000000000 R09: 0000000000000000 [ 50.415256] R10: 00008400fffffffa R11: 0000000000000246 R12: 0030656c69662f2e [ 50.422510] R13: 000010011badface R14: 75ca34411a118209 R15: 00007f95e67e4428 [ 50.429767] Code: 48 89 f8 48 c1 e8 03 80 3c 08 00 0f 85 0b 06 00 00 49 8d 7f 28 49 8b 74 24 28 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <80> 3c 08 00 0f 85 c1 05 00 00 49 8b 7f 28 e8 8b 85 ad ff 4c 89 [ 50.449220] RIP: bfs_get_block+0x302/0xaf0 RSP: ffff88809a8c7298 [ 50.455978] Kernel Offset: disabled [ 50.459808] Rebooting in 86400 seconds..