Hello, syzbot found the following issue on: HEAD commit: ef1302160bfb Merge tag 'sound-5.18' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17626629f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=d84df8e1a4c4d5a4 dashboard link: https://syzkaller.appspot.com/bug?extid=8d1d62bfb63d6a480be1 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8d1d62bfb63d6a480be1@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 19258 at include/linux/backing-dev.h:264 folio_account_dirtied+0x61a/0x720 mm/page-writeback.c:2448 Modules linked in: CPU: 1 PID: 19258 Comm: syz-executor.3 Not tainted 5.18.0-rc7-syzkaller-00015-gef1302160bfb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inode_to_wb include/linux/backing-dev.h:261 [inline] RIP: 0010:folio_account_dirtied+0x61a/0x720 mm/page-writeback.c:2448 Code: ff ff e9 6e fd ff ff e8 c4 6d d2 ff 4c 89 f7 4c 89 e6 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 eb af 29 00 e8 a6 6d d2 ff <0f> 0b 43 80 3c 3c 00 0f 85 36 fd ff ff e9 39 fd ff ff 48 c7 c1 f4 RSP: 0018:ffffc90002e5f840 EFLAGS: 00010093 RAX: ffffffff81b3a75a RBX: 0000000000000000 RCX: ffff8880795c9d80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888140c8ef80 R08: ffffffff81b3a71e R09: fffff940003cd8c9 R10: fffff940003cd8c9 R11: 1ffffd40003cd8c8 R12: 1ffff11028191df0 R13: 0000000000000001 R14: ffffea0001e6c640 R15: dffffc0000000000 FS: 0000555556a2c400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0157c0000 CR3: 0000000034a53000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: <TASK> __folio_mark_dirty+0x125/0x260 mm/page-writeback.c:2499 __set_page_dirty include/linux/pagemap.h:1008 [inline] mark_buffer_dirty+0x263/0x560 fs/buffer.c:1105 gfs2_unpin+0x116/0xa40 fs/gfs2/lops.c:111 buf_lo_after_commit+0x172/0x1d0 fs/gfs2/lops.c:747 lops_after_commit fs/gfs2/lops.h:49 [inline] gfs2_log_flush+0x1258/0x2770 fs/gfs2/log.c:1108 do_sync+0xbe7/0xe60 fs/gfs2/quota.c:967 gfs2_quota_sync+0x3da/0x8b0 fs/gfs2/quota.c:1310 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:642 sync_filesystem+0xe8/0x220 fs/sync.c:56 generic_shutdown_super+0x6b/0x300 fs/super.c:445 kill_block_super+0x79/0xd0 fs/super.c:1394 deactivate_locked_super+0xa7/0xf0 fs/super.c:332 cleanup_mnt+0x452/0x500 fs/namespace.c:1186 task_work_run+0x146/0x1c0 kernel/task_work.c:164 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f1c2e88a557 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff1b126788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1c2e88a557 RDX: 00007fff1b12685a RSI: 000000000000000a RDI: 00007fff1b126850 RBP: 00007fff1b126850 R08: 00000000ffffffff R09: 00007fff1b126620 R10: 0000555556a2d8b3 R11: 0000000000000246 R12: 00007f1c2e8e21f8 R13: 00007fff1b127910 R14: 0000555556a2d810 R15: 00007fff1b127950 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
