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WARNING in gfs2_evict_inode

Status: upstream: reported on 2025/12/08 23:16
Subsystems: gfs2
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+6a7837644249dbdc1fa0@syzkaller.appspotmail.com
First crash: 170d, last: 4d18h
▶ ▼ ✨ AI Jobs (2)
ID Workflow Result Correct Bug Created Started Finished Revision Error
e34e5114-4142-4036-a41c-4041d126f41e assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ✅ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ WARNING in gfs2_evict_inode 2026/05/21 03:27 2026/05/21 03:27 2026/05/21 04:25 cf874a1cf36318c06202027159ddac14acf00db7
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:1253 at evict_should_delete fs/gfs2/super.c:1253 [inline], CPU#0: kswapd0/75
WARNING: fs/gfs2/super.c:1253 at gfs2_evict_inode+0x126a/0x1430 fs/gfs2/super.c:1465, CPU#0: kswapd0/75
Modules linked in:
CPU: 0 UID: 0 PID: 75 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:1253 [inline]
RIP: 0010:gfs2_evict_inode+0x126a/0x1430 fs/gfs2/super.c:1465
Code: 09 fe 48 8b 44 24 48 48 8b 30 4c 89 f7 e8 fe 4c f8 ff 45 31 e4 e9 de f6 ff ff e8 c1 64 9c fd e9 9a fe ff ff e8 b7 64 9c fd 90 <0f> 0b 90 e9 8d f1 ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c da
RSP: 0000:ffffc90000cef060 EFLAGS: 00010293
RAX: ffffffff84296f49 RBX: ffff8880132f9338 RCX: ffff888000a34a00
RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000
RBP: ffffc90000cef1b0 R08: ffff8880476892c7 R09: 1ffff11008ed1258
R10: dffffc0000000000 R11: ffffed1008ed1259 R12: ffff888000a34a2c
R13: ffff8880132f9380 R14: ffff8880123fc628 R15: 0000000000000800
FS:  0000000000000000(0000) GS:ffff88808c87e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5f0ebea9a0 CR3: 0000000039046000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x61e/0xb10 fs/inode.c:841
 dispose_list fs/inode.c:883 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1030
 super_cache_scan+0x39b/0x4b0 fs/super.c:225
 do_shrink_slab+0x6fb/0x1150 mm/shrinker.c:436
 shrink_slab_memcg mm/shrinker.c:553 [inline]
 shrink_slab+0x835/0x11f0 mm/shrinker.c:631
 shrink_one+0x2d9/0x710 mm/vmscan.c:5071
 shrink_many mm/vmscan.c:5132 [inline]
 lru_gen_shrink_node mm/vmscan.c:5210 [inline]
 shrink_node+0x31bf/0x3ae0 mm/vmscan.c:6198
 kswapd_shrink_node mm/vmscan.c:7052 [inline]
 balance_pgdat mm/vmscan.c:7228 [inline]
 kswapd+0x1736/0x2de0 mm/vmscan.c:7501
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/19 14:57 upstream ab5fce87a778 2aa09d96 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/05/18 00:28 upstream e5d505e3664b de5aae85 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/05/15 16:41 upstream 70eda68668d1 9cd3beaa .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/04/03 07:13 upstream 5619b098e2fb 4440e7c2 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
2026/04/01 11:14 upstream dbf00d8d23b4 fb8b2c26 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in gfs2_evict_inode
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.