Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. [ 28.959114] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 29.099036] syz-executor312[8014]: segfault at 0 ip (null) sp 00000000200000c8 error 14 [ 29.163190] syz-executor312[8019]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program executing program [ 29.326246] syz-executor312[8024]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program [ 29.382085] syz-executor312[8032]: segfault at 0 ip (null) sp 00000000200000c8 error 14 [ 29.408685] syz-executor312[8036]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program executing program [ 29.592260] syz-executor312[8042]: segfault at 0 ip (null) sp 00000000200000c8 error 14 [ 29.601443] syz-executor312[8046]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program executing program [ 29.771512] syz-executor312[8052]: segfault at 0 ip (null) sp 00000000200000c8 error 14 [ 29.796192] syz-executor312[8057]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program executing program [ 29.974413] syz-executor312[8064]: segfault at 0 ip (null) sp 00000000200000c8 error 14 executing program executing program [ 30.239284] ------------[ cut here ]------------ [ 30.244166] WARNING: CPU: 0 PID: 8079 at fs/buffer.c:1149 mark_buffer_dirty+0x347/0x480 [ 30.252300] Kernel panic - not syncing: panic_on_warn set ... [ 30.252300] [ 30.259654] CPU: 0 PID: 8079 Comm: syz-executor312 Not tainted 4.14.296-syzkaller #0 [ 30.267511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 30.276836] Call Trace: [ 30.279402] dump_stack+0x1b2/0x281 [ 30.283003] panic+0x1f9/0x42d [ 30.286169] ? add_taint.cold+0x16/0x16 [ 30.290120] ? mark_buffer_dirty+0x347/0x480 [ 30.294502] ? mark_buffer_dirty+0x347/0x480 [ 30.298885] __warn.cold+0x20/0x44 [ 30.302399] ? ist_end_non_atomic+0x10/0x10 [ 30.306694] ? mark_buffer_dirty+0x347/0x480 [ 30.312065] report_bug+0x208/0x250 [ 30.315905] do_error_trap+0x195/0x2d0 [ 30.319771] ? math_error+0x2d0/0x2d0 [ 30.323551] ? mark_held_locks+0xa6/0xf0 [ 30.327588] ? __find_get_block+0x817/0xc40 [ 30.331888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.336709] invalid_op+0x1b/0x40 [ 30.340137] RIP: 0010:mark_buffer_dirty+0x347/0x480 [ 30.345123] RSP: 0018:ffff88809c8f78e8 EFLAGS: 00010297 [ 30.350459] RAX: ffff888093e84140 RBX: ffff888089042000 RCX: 0000000000000000 [ 30.357702] RDX: 0000000000000000 RSI: ffff888089ee5600 RDI: ffff888089042000 [ 30.364951] RBP: ffffed10156a858d R08: 0000000000000001 R09: ffffed10113dd37f [ 30.372201] R10: ffff888089ee9bff R11: 0000000000000000 R12: 000000000000000a [ 30.379562] R13: ffff8880ab542b40 R14: ffff888089042000 R15: ffff88808afa9f18 [ 30.386827] ? mark_buffer_dirty+0x347/0x480 [ 30.391210] bfs_get_block+0x35c/0xaf0 [ 30.395094] ? create_page_buffers+0xce/0x1c0 [ 30.399567] __block_write_begin_int+0x35c/0x11d0 [ 30.404394] ? bfs_bmap+0x30/0x30 [ 30.407830] ? __breadahead_gfp+0x150/0x150 [ 30.412127] ? wait_for_stable_page+0xe3/0x260 [ 30.416686] ? bfs_bmap+0x30/0x30 [ 30.420119] block_write_begin+0x58/0x270 [ 30.424507] bfs_write_begin+0x35/0xc0 [ 30.428371] generic_perform_write+0x1c9/0x420 [ 30.432928] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 30.437570] ? current_time+0xb0/0xb0 [ 30.441346] ? lock_acquire+0x170/0x3f0 [ 30.445416] __generic_file_write_iter+0x227/0x590 [ 30.450322] generic_file_write_iter+0x36f/0x650 [ 30.455052] __vfs_write+0x44c/0x630 [ 30.458742] ? kernel_read+0x110/0x110 [ 30.462606] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.467597] vfs_write+0x17f/0x4d0 [ 30.471111] SyS_write+0xf2/0x210 [ 30.474538] ? SyS_read+0x210/0x210 [ 30.478141] ? __do_page_fault+0x159/0xad0 [ 30.482347] ? do_syscall_64+0x4c/0x640 [ 30.486300] ? SyS_read+0x210/0x210 [ 30.489905] do_syscall_64+0x1d5/0x640 [ 30.493775] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.498940] RIP: 0033:0x7f654b0942b9 [ 30.502625] RSP: 002b:00007ffdea9e0478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.510305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f654b0942b9 [ 30.517548] RDX: 000000000208e24b RSI: 0000000020000080 RDI: 0000000000000003 [ 30.524791] RBP: 0000000000000000 R08: 00007ffdea9e04a0 R09: 00007ffdea9e04a0 [ 30.532036] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdea9e049c [ 30.539278] R13: 00007ffdea9e04d0 R14: 00007ffdea9e04b0 R15: 000000000000000c [ 30.546816] Kernel Offset: disabled [ 30.550469] Rebooting in 86400 seconds..