gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed - function = gfs2_qd_dispose, file = fs/gfs2/quota.c, line = 129 ------------[ cut here ]------------ kernel BUG at fs/gfs2/util.c:414! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 76 Comm: kswapd0 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:gfs2_assert_warn_i+0x2df/0x2f0 fs/gfs2/util.c:414 Code: fe 48 c7 c7 40 a9 4f 8c 48 89 ee 48 8b 54 24 08 48 8b 4c 24 10 4c 8b 44 24 18 44 8b 4c 24 04 e8 87 88 ce 07 e8 e2 73 ab fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc90000e57328 EFLAGS: 00010293 RAX: ffffffff83e818ce RBX: 0000000000000004 RCX: ffff88801f3f8000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8880119ec000 R08: ffffffff83e81787 R09: 1ffff920001cae04 R10: dffffc0000000000 R11: fffff520001cae05 R12: ffff8880119ec2bc R13: 00000000000003e8 R14: 1ffff1100233d857 R15: 0000000000000126 FS: 0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f391d5a6000 CR3: 000000001e06e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_qd_dispose+0x4af/0x5b0 fs/gfs2/quota.c:129 gfs2_qd_list_dispose fs/gfs2/quota.c:146 [inline] gfs2_qd_shrink_scan+0x2ae/0x360 fs/gfs2/quota.c:185 do_shrink_slab+0x701/0x1160 mm/shrinker.c:435 shrink_slab+0x1093/0x14d0 mm/shrinker.c:662 shrink_one+0x43b/0x850 mm/vmscan.c:4795 shrink_many mm/vmscan.c:4856 [inline] lru_gen_shrink_node mm/vmscan.c:4934 [inline] shrink_node+0x3799/0x3de0 mm/vmscan.c:5914 kswapd_shrink_node mm/vmscan.c:6742 [inline] balance_pgdat mm/vmscan.c:6934 [inline] kswapd+0x1cbc/0x3720 mm/vmscan.c:7203 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: