[syzbot] [gfs2?] WARNING in gfs2_evict_inode
syzbot <[email protected]>
| Newsgroups | dev.linux.lists.gfs2,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Hello, syzbot found the following issue on: HEAD commit: 6dfafbd0299a Merge tag 'drm-next-2025-12-03' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=150d3cc2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7290a4d27e182f8b dashboard link: https://syzkaller.appspot.com/bug?extid=6a7837644249dbdc1fa0 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-6dfafbd0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e7dec7519b1a/vmlinux-6dfafbd0.xz kernel image: https://storage.googleapis.com/syzbot-assets/3ef2b7e3eee7/bzImage-6dfafbd0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: [email protected] ------------[ cut here ]------------ WARNING: fs/gfs2/super.c:1247 at evict_should_delete fs/gfs2/super.c:1247 [inline], CPU#0: kswapd0/78 WARNING: fs/gfs2/super.c:1247 at gfs2_evict_inode+0xe8f/0x1000 fs/gfs2/super.c:1400, CPU#0: kswapd0/78 Modules linked in: CPU: 0 UID: 0 PID: 78 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~bpo12+1 04/01/2014 RIP: 0010:evict_should_delete fs/gfs2/super.c:1247 [inline] RIP: 0010:gfs2_evict_inode+0xe8f/0x1000 fs/gfs2/super.c:1400 Code: 7c 24 20 e8 a3 84 22 fe 48 8b 44 24 20 48 8b 30 4c 89 f7 e8 53 75 f8 ff eb 1d e8 0c 02 bb fd e9 7f fe ff ff e8 02 02 bb fd 90 <0f> 0b 90 e9 f7 f4 ff ff e8 f4 01 bb fd 45 31 f6 49 bd 00 00 00 00 RSP: 0018:ffffc9000103f000 EFLAGS: 00010293 RAX: ffffffff840657fe RBX: ffff888019f45620 RCX: ffff88801c254980 RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000000 RBP: ffffc9000103f130 R08: ffff888000d1c327 R09: 1ffff110001a3864 R10: dffffc0000000000 R11: ffffed10001a3865 R12: ffff888019f45668 R13: 1ffff110033e8acd R14: 1ffff110033e8b53 R15: 0000000000000800 FS: 0000000000000000(0000) GS:ffff88808d68a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc185f879a0 CR3: 000000005106d000 CR4: 0000000000352ef0 Call Trace: <TASK> evict+0x5f4/0xae0 fs/inode.c:837 dispose_list fs/inode.c:879 [inline] prune_icache_sb+0x21b/0x2c0 fs/inode.c:1027 super_cache_scan+0x39b/0x4b0 fs/super.c:224 do_shrink_slab+0x6df/0x10d0 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x7ef/0x10d0 mm/shrinker.c:628 shrink_one+0x28a/0x7c0 mm/vmscan.c:4955 shrink_many mm/vmscan.c:5016 [inline] lru_gen_shrink_node mm/vmscan.c:5094 [inline] shrink_node+0x315d/0x3780 mm/vmscan.c:6081 kswapd_shrink_node mm/vmscan.c:6941 [inline] balance_pgdat mm/vmscan.c:7124 [inline] kswapd+0x13f5/0x2780 mm/vmscan.c:7389 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 </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 [email protected]. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup