Hello, syzbot found the following issue on: HEAD commit: 7e364e56293b Linux 6.3-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13241195c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=e3b9dc6616d797bb dashboard link: https://syzkaller.appspot.com/bug?extid=5ed016962f5137a09c7c compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: i386 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+5ed016962f5137a09c7c@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 102 at kernel/workqueue.c:1445 __queue_work+0xd44/0x1120 kernel/workqueue.c:1444 Modules linked in: CPU: 1 PID: 102 Comm: kswapd0 Not tainted 6.3.0-rc5-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__queue_work+0xd44/0x1120 kernel/workqueue.c:1444 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 74 0c 81 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 c5 fb 2f 00 85 db 75 42 e8 6c ff 2f 00 <0f> 0b e9 3c f9 ff ff e8 60 ff 2f 00 0f 0b e9 ce f8 ff ff e8 54 ff RSP: 0000:ffffc90000ce7638 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888015f73a80 RSI: ffffffff8152d854 RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffe8ffffb03348 R13: ffff888078462000 R14: ffffe8ffffb03390 R15: ffff888078462000 FS: 0000000000000000(0000) GS:ffff88802ca80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000cfa5bb CR3: 0000000025fde000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __queue_delayed_work+0x1c8/0x270 kernel/workqueue.c:1672 mod_delayed_work_on+0xe1/0x220 kernel/workqueue.c:1746 xfs_inodegc_shrinker_scan fs/xfs/xfs_icache.c:2212 [inline] xfs_inodegc_shrinker_scan+0x250/0x4f0 fs/xfs/xfs_icache.c:2191 do_shrink_slab+0x428/0xaa0 mm/vmscan.c:853 shrink_slab+0x175/0x660 mm/vmscan.c:1013 shrink_one+0x502/0x810 mm/vmscan.c:5343 shrink_many mm/vmscan.c:5394 [inline] lru_gen_shrink_node mm/vmscan.c:5511 [inline] shrink_node+0x2064/0x35f0 mm/vmscan.c:6459 kswapd_shrink_node mm/vmscan.c:7262 [inline] balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7452 kswapd+0x677/0xd60 mm/vmscan.c:7712 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </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.
