syzbot


WARNING in gfs2_evict_inode

Status: upstream: reported on 2025/12/08 23:16
Subsystems: gfs2
[Documentation on labels]
Reported-by: syzbot+6a7837644249dbdc1fa0@syzkaller.appspotmail.com
First crash: 97d, last: 10d
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
b73b253d-ebe6-4200-8aac-8605662811ce repro 💥 WARNING in gfs2_evict_inode 2026/03/10 12:22 2026/03/10 12:22 2026/03/10 12:22 5c03941b7fba0fd3b0326afc981322c89fe9ba52+ failed to run ["git" "pull" "origin" "HEAD" "--depth=1" "--allow-unrelated-histories"]: exit status 1
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [gfs2?] WARNING in gfs2_evict_inode 0 (1) 2025/12/08 23:16

Sample crash report:
------------[ cut here ]------------
current->flags & PF_MEMALLOC
WARNING: fs/gfs2/super.c:1249 at evict_should_delete fs/gfs2/super.c:1249 [inline], CPU#0: kswapd0/71
WARNING: fs/gfs2/super.c:1249 at gfs2_evict_inode+0xee8/0x1050 fs/gfs2/super.c:1402, CPU#0: kswapd0/71
Modules linked in:
CPU: 0 UID: 0 PID: 71 Comm: kswapd0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:evict_should_delete fs/gfs2/super.c:1249 [inline]
RIP: 0010:gfs2_evict_inode+0xee8/0x1050 fs/gfs2/super.c:1402
Code: 7c 24 38 e8 1a 2d 0c fe 48 8b 44 24 38 48 8b 30 4c 89 f7 e8 ca 46 f8 ff eb 1d e8 93 65 a0 fd e9 7f fe ff ff e8 89 65 a0 fd 90 <0f> 0b 90 e9 1c f8 ff ff e8 7b 65 a0 fd 45 31 e4 e9 4b fb ff ff 44
RSP: 0018:ffffc90000b2f060 EFLAGS: 00010293
RAX: ffffffff842535e7 RBX: 0000000000000800 RCX: ffff8880007ca480
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
RBP: ffffc90000b2f1b0 R08: ffff888055c415e7 R09: 1ffff1100ab882bc
R10: dffffc0000000000 R11: ffffed100ab882bd R12: 1ffff1100353b9ab
R13: ffff88801a9dcd58 R14: ffff888012554000 R15: ffff8880007ca4ac
FS:  0000000000000000(0000) GS:ffff88808ca58000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bcd550c80 CR3: 0000000039931000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x61e/0xb10 fs/inode.c:846
 dispose_list fs/inode.c:888 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1036
 super_cache_scan+0x39b/0x4b0 fs/super.c:225
 do_shrink_slab+0x6df/0x1170 mm/shrinker.c:437
 shrink_slab_memcg mm/shrinker.c:550 [inline]
 shrink_slab+0x830/0x1150 mm/shrinker.c:628
 shrink_one+0x2d9/0x710 mm/vmscan.c:4928
 shrink_many mm/vmscan.c:4989 [inline]
 lru_gen_shrink_node mm/vmscan.c:5067 [inline]
 shrink_node+0x3197/0x3a90 mm/vmscan.c:6047
 kswapd_shrink_node mm/vmscan.c:6894 [inline]
 balance_pgdat mm/vmscan.c:7070 [inline]
 kswapd+0x1742/0x2e10 mm/vmscan.c:7343
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/01 19:39 upstream eb71ab2bf722 43249bac .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/02/25 16:33 upstream 7dff99b35460 c162cde9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/02/25 05:02 upstream 7dff99b35460 787dfb7c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/02/21 07:19 upstream a95f71ad3e2e 6e7b5511 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/02/16 08:19 upstream 26a4cfaff82a 1e62d198 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/02/14 18:10 upstream 770aaedb461a 1e62d198 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/01/30 15:14 upstream 4d310797262f ea6dba22 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/01/24 14:47 upstream 62085877ae65 40acda8a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2025/12/12 12:06 upstream 187d0801404f d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2025/12/04 23:13 upstream 6dfafbd0299a d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
* Struck through repros no longer work on HEAD.