Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. [ 49.004286] BFS-fs: bfs_fill_super(): loop5 is unclean, continuing [ 49.010798] BFS-fs: bfs_fill_super(): loop2 is unclean, continuing [ 49.017756] BFS-fs: bfs_fill_super(): loop1 is unclean, continuing [ 49.033317] audit: type=1804 audit(1647204350.749:2): pid=8308 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop5" ino=3 res=1 [ 49.052803] BFS-fs: bfs_fill_super(): loop0 is unclean, continuing [ 49.060485] BFS-fs: bfs_fill_super(): loop3 is unclean, continuing [ 49.080180] BFS-fs: bfs_fill_super(): loop4 is unclean, continuing [ 49.126137] ------------[ cut here ]------------ [ 49.131110] WARNING: CPU: 0 PID: 8334 at fs/buffer.c:1149 mark_buffer_dirty+0x2c3/0x3c0 [ 49.131806] audit: type=1804 audit(1647204350.749:3): pid=8307 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop2" ino=3 res=1 [ 49.139321] Kernel panic - not syncing: panic_on_warn set ... [ 49.139321] [ 49.139332] CPU: 0 PID: 8334 Comm: syz-executor426 Not tainted 4.14.271-syzkaller #0 [ 49.139335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.139338] Call Trace: [ 49.139348] dump_stack+0x14b/0x1e7 [ 49.139355] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.139361] panic+0x1b0/0x358 [ 49.139366] ? add_taint.cold.4+0x11/0x11 [ 49.139377] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.139381] __warn.cold.7+0x25/0x25 [ 49.139386] ? mark_buffer_dirty+0x2c3/0x3c0 [ 49.139391] report_bug+0x1a1/0x200 [ 49.139397] ? debug_smp_processor_id+0x17/0x20 [ 49.139403] do_error_trap+0x1bd/0x310 [ 49.139408] ? math_error+0x300/0x300 [ 49.139418] ? mark_held_locks+0xc7/0x130 [ 49.139426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.139433] do_invalid_op+0x1b/0x20 [ 49.139439] invalid_op+0x1b/0x40 [ 49.139444] RIP: 0010:mark_buffer_dirty+0x2c3/0x3c0 [ 49.139447] RSP: 0018:ffff88809e6ff268 EFLAGS: 00010246 [ 49.139453] RAX: 0000000000000020 RBX: ffff88808a13f738 RCX: 0000000000000000 [ 49.139456] RDX: 1ffff11011427ee7 RSI: ffff88808918b400 RDI: ffff88808a13f738 [ 49.139459] RBP: ffff88809e6ff288 R08: 0000000000000000 R09: 0000000000000008 [ 49.139462] R10: ffffed1011dfc5ff R11: ffff88808efe2fff R12: ffff88808a17e5e8 [ 49.139465] R13: ffff8880aab4a2c0 R14: ffffed101556947d R15: ffff88808a13f738 [ 49.139482] bfs_get_block+0x31d/0xaf0 [ 49.266203] audit: type=1804 audit(1647204350.819:4): pid=8301 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop0" ino=3 res=1 [ 49.271521] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.271536] __block_write_begin_int+0x327/0x1640 [ 49.271549] ? bfs_writepage+0x20/0x20 [ 49.271558] ? __breadahead_gfp+0xa0/0xa0 [ 49.271566] ? pagecache_get_page+0x2ca/0x7c0 [ 49.271573] ? __lock_acquire+0x701/0x42d0 [ 49.305126] audit: type=1804 audit(1647204350.819:5): pid=8322 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop4" ino=3 res=1 [ 49.317321] ? bfs_writepage+0x20/0x20 [ 49.317329] block_write_begin+0x48/0x240 [ 49.317337] bfs_write_begin+0x2f/0xb0 [ 49.317347] generic_perform_write+0x227/0x450 [ 49.317355] ? filemap_page_mkwrite+0x290/0x290 [ 49.317360] ? file_update_time+0xde/0x360 [ 49.317364] ? current_time+0xa0/0xa0 [ 49.317371] ? lock_acquire+0x17e/0x3e0 [ 49.317375] ? generic_file_write_iter+0x97/0x660 [ 49.317381] __generic_file_write_iter+0x205/0x590 [ 49.317388] generic_file_write_iter+0x302/0x660 [ 49.317398] __vfs_write+0x413/0x840 [ 49.317404] ? kernel_read+0x130/0x130 [ 49.317414] ? mark_held_locks+0xc7/0x130 [ 49.317425] __kernel_write+0xe4/0x360 [ 49.317431] ? __might_sleep+0x93/0xb0 [ 49.317439] write_pipe_buf+0x14c/0x1e0 [ 49.317445] ? default_file_splice_read+0x8c0/0x8c0 [ 49.317455] __splice_from_pipe+0x2cb/0x720 [ 49.366303] audit: type=1804 audit(1647204350.829:6): pid=8316 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop1" ino=3 res=1 [ 49.367378] ? default_file_splice_read+0x8c0/0x8c0 [ 49.367388] ? default_file_splice_read+0x8c0/0x8c0 [ 49.367393] splice_from_pipe+0xb5/0x110 [ 49.367399] ? splice_shrink_spd+0xa0/0xa0 [ 49.367409] default_file_splice_write+0x18/0x50 [ 49.376203] audit: type=1804 audit(1647204350.829:7): pid=8317 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop3" ino=3 res=1 [ 49.380330] direct_splice_actor+0x104/0x1c0 [ 49.380337] ? alloc_pipe_info+0x244/0x340 [ 49.380345] splice_direct_to_actor+0x27c/0x750 [ 49.380351] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 49.380358] ? pipe_to_sendpage+0x420/0x420 [ 49.380365] ? do_splice_to+0x120/0x120 [ 49.380372] ? rw_verify_area+0xb8/0x2b0 [ 49.380379] do_splice_direct+0x144/0x250 [ 49.408102] audit: type=1804 audit(1647204350.839:8): pid=8333 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor426" name="/root/file0/bus" dev="loop3" ino=3 res=1 [ 49.408501] ? splice_direct_to_actor+0x750/0x750 [ 49.408512] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.408517] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 49.408525] do_sendfile+0x46c/0xcf0 [ 49.408535] ? do_compat_pwritev64+0x180/0x180 [ 49.442475] audit: type=1804 audit(1647204350.839:9): pid=8333 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor426" name="/root/file0/bus" dev="loop3" ino=3 res=1 [ 49.446444] ? SyS_futex+0x201/0x250 [ 49.446451] ? putname+0xa8/0xe0 [ 49.446460] SyS_sendfile64+0xf5/0x110 [ 49.446465] ? SyS_sendfile+0x120/0x120 [ 49.446472] ? do_syscall_64+0x4c/0x5b0 [ 49.446479] ? SyS_sendfile+0x120/0x120 [ 49.446484] do_syscall_64+0x1c7/0x5b0 [ 49.446488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.446496] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 49.446500] RIP: 0033:0x7f53207e9619 [ 49.446503] RSP: 002b:00007f53207962f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 49.446509] RAX: ffffffffffffffda RBX: 00007f532086e420 RCX: 00007f53207e9619 [ 49.446512] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000003 [ 49.446514] RBP: 00007f532083b0a4 R08: 0000000000000000 R09: 0000000000000000 [ 49.446517] R10: 00008400fffffffa R11: 0000000000000246 R12: 0030656c69662f2e [ 49.446523] R13: 000010011badface R14: 75ca34411a118209 R15: 00007f532086e428 [ 49.493076] audit: type=1804 audit(1647204350.839:10): pid=8333 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor426" name="/root/file0/bus" dev="loop3" ino=3 res=1 [ 49.512267] Kernel Offset: disabled [ 49.709877] Rebooting in 86400 seconds..