ebian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.837012] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 33.844569] gfs2: fsid=syz:syz: Now mounting FS... [ 33.871495] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents [ 33.878104] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 33.884241] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 33.897858] gfs2: fsid=syz:syz.0: jid=0: Done [ 33.902601] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 34.032276] WARNING: CPU: 1 PID: 8121 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 34.042133] Kernel panic - not syncing: panic_on_warn set ... [ 34.042133] [ 34.049512] CPU: 1 PID: 8121 Comm: syz-executor225 Not tainted 4.19.211-syzkaller #0 [ 34.057388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 34.067343] Call Trace: [ 34.069931] dump_stack+0x1fc/0x2ef [ 34.073566] panic+0x26a/0x50e [ 34.076755] ? __warn_printk+0xf3/0xf3 [ 34.080644] ? account_page_dirtied+0x8cc/0xbb0 [ 34.085308] ? __probe_kernel_read+0x130/0x1b0 [ 34.089871] ? __warn.cold+0x5/0x5a [ 34.093477] ? __warn+0xe4/0x200 [ 34.096824] ? account_page_dirtied+0x8cc/0xbb0 [ 34.101471] __warn.cold+0x20/0x5a [ 34.104992] ? account_page_dirtied+0x8cc/0xbb0 [ 34.109644] report_bug+0x262/0x2b0 [ 34.113253] do_error_trap+0x1d7/0x310 [ 34.117121] ? math_error+0x310/0x310 [ 34.120903] ? mark_held_locks+0xf0/0xf0 [ 34.124952] ? error_entry+0x72/0xd0 [ 34.128653] ? trace_hardirqs_off_caller+0x2c/0x210 [ 34.133657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.138483] invalid_op+0x14/0x20 [ 34.141921] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 34.147177] Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d [ 34.166060] RSP: 0018:ffff8880956b7368 EFLAGS: 00010093 [ 34.171404] RAX: ffff8880b386a300 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 34.178652] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 34.185898] RBP: ffff8880b1ba6a60 R08: 0000000000000001 R09: 0000000000000000 [ 34.193144] R10: 0000000000000005 R11: 0000000000074071 R12: ffffea0002ada8c0 [ 34.200393] R13: ffff8880b1ba68d8 R14: ffff88809f0669a0 R15: ffffea0002ada8c8 [ 34.207652] ? account_page_dirtied+0x8bf/0xbb0 [ 34.212307] ? account_page_dirtied+0x8cc/0xbb0 [ 34.216957] ? account_page_dirtied+0x8cc/0xbb0 [ 34.221617] __set_page_dirty+0x7f/0x3e0 [ 34.225669] ? lock_page_memcg+0xa7/0x220 [ 34.229817] mark_buffer_dirty+0x424/0x5c0 [ 34.234035] gfs2_unpin+0xd6/0xe80 [ 34.237567] ? log_write_header+0x29b/0x1010 [ 34.241957] ? wait_woken+0x250/0x250 [ 34.245740] buf_lo_after_commit+0x140/0x210 [ 34.250130] ? gfs2_unpin+0xe80/0xe80 [ 34.253911] gfs2_log_flush+0x9fa/0x1ef0 [ 34.257957] ? gfs2_log_shutdown+0x3f0/0x3f0 [ 34.262343] ? lock_downgrade+0x720/0x720 [ 34.266471] ? gfs2_trans_end+0x2d1/0x5d0 [ 34.270600] ? lock_downgrade+0x720/0x720 [ 34.274730] ? gfs2_log_commit+0xcba/0x1690 [ 34.279033] gfs2_trans_end+0x596/0x5d0 [ 34.282996] gfs2_create_inode+0x17a6/0x3de0 [ 34.287392] ? gfs2_get_link+0x380/0x380 [ 34.291434] ? d_add+0x393/0x650 [ 34.294790] ? lock_downgrade+0x720/0x720 [ 34.298925] ? do_raw_spin_unlock+0x171/0x230 [ 34.303399] ? _raw_spin_unlock+0x29/0x40 [ 34.307528] ? gfs2_create_inode+0x2c8/0x3de0 [ 34.312014] gfs2_atomic_open+0xaf/0x250 [ 34.316056] ? __gfs2_lookup+0x270/0x270 [ 34.320097] lookup_open+0x1023/0x1a20 [ 34.323965] ? vfs_mkdir+0x7a0/0x7a0 [ 34.327671] ? check_preemption_disabled+0x41/0x280 [ 34.332672] path_openat+0x1094/0x2df0 [ 34.336544] ? path_lookupat+0x8d0/0x8d0 [ 34.340584] ? mark_held_locks+0xf0/0xf0 [ 34.344624] ? __lock_acquire+0x6de/0x3ff0 [ 34.348848] do_filp_open+0x18c/0x3f0 [ 34.352637] ? may_open_dev+0xf0/0xf0 [ 34.356430] ? lock_downgrade+0x720/0x720 [ 34.360562] ? lock_acquire+0x170/0x3c0 [ 34.364518] ? __alloc_fd+0x34/0x570 [ 34.368223] ? do_raw_spin_unlock+0x171/0x230 [ 34.372705] ? _raw_spin_unlock+0x29/0x40 [ 34.376832] ? __alloc_fd+0x28d/0x570 [ 34.380618] do_sys_open+0x3b3/0x520 [ 34.384314] ? filp_open+0x70/0x70 [ 34.387838] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.393184] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.398179] ? do_syscall_64+0x21/0x620 [ 34.402138] do_syscall_64+0xf9/0x620 [ 34.405928] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.411102] RIP: 0033:0x7fd265f3c1d9 [ 34.414795] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.433678] RSP: 002b:00007fffec0206a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 34.441366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd265f3c1d9 [ 34.448613] RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 [ 34.455863] RBP: 0000000000000000 R08: 0000000000000002 R09: 00007fd265fe1ec0 [ 34.463110] R10: 00007fffec020570 R11: 0000000000000246 R12: 00007fffec0206d0 [ 34.470358] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 34.477937] Kernel Offset: disabled [ 34.481609] Rebooting in 86400 seconds..