XFS (loop0): Quotacheck needed: Please wait. list_del corruption, ffff8880296e1160->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:49! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 9657 Comm: syz-executor.0 Not tainted 6.5.0-rc3-syzkaller-00044-g0a8db05b571a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__list_del_entry_valid+0xe1/0x1b0 lib/list_debug.c:49 Code: 03 80 3c 01 00 0f 85 a4 00 00 00 48 8b 42 08 48 39 c6 75 56 b8 01 00 00 00 48 83 c4 18 c3 48 c7 c7 40 0b c8 8a e8 1f 3b 46 fd <0f> 0b 48 c7 c7 a0 0b c8 8a e8 11 3b 46 fd 0f 0b 48 c7 c7 00 0c c8 RSP: 0018:ffffc90023d7f710 EFLAGS: 00010286 RAX: 0000000000000033 RBX: ffff8880296e1040 RCX: ffffc90003af9000 RDX: 0000000000000000 RSI: ffffffff816a69c0 RDI: 0000000000000005 RBP: ffff8880296e1160 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 6c65645f7473696c R12: ffffc90023d7f758 R13: 1ffff920047afee7 R14: ffff8880563f38c0 R15: ffffffff8325f398 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7fc1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f725c0d0 CR3: 0000000078d92000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:134 [inline] list_move include/linux/list.h:217 [inline] xfs_buf_delwri_pushbuf+0x103/0x4a0 fs/xfs/xfs_buf.c:2295 xfs_qm_flush_one+0x358/0x3b0 fs/xfs/xfs_qm.c:1253 xfs_qm_dquot_walk.isra.0+0x217/0x3d0 fs/xfs/xfs_qm.c:87 xfs_qm_quotacheck+0x4ba/0x8e0 fs/xfs/xfs_qm.c:1338 xfs_qm_mount_quotas+0x124/0x6a0 fs/xfs/xfs_qm.c:1457 xfs_mountfs+0x1c8b/0x1de0 fs/xfs/xfs_mount.c:959 xfs_fs_fill_super+0x145b/0x1e50 fs/xfs/xfs_super.c:1710 get_tree_bdev+0x43e/0x7d0 fs/super.c:1318 vfs_get_tree+0x88/0x350 fs/super.c:1519 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __ia32_sys_mount+0x291/0x310 fs/namespace.c:3861 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fc6579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fc13f0 EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f7fc1460 RCX: 0000000020009740 RDX: 0000000020009700 RSI: 0000000002000000 RDI: 00000000f7fc14a0 RBP: 0000000020009700 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0xe1/0x1b0 lib/list_debug.c:49 Code: 03 80 3c 01 00 0f 85 a4 00 00 00 48 8b 42 08 48 39 c6 75 56 b8 01 00 00 00 48 83 c4 18 c3 48 c7 c7 40 0b c8 8a e8 1f 3b 46 fd <0f> 0b 48 c7 c7 a0 0b c8 8a e8 11 3b 46 fd 0f 0b 48 c7 c7 00 0c c8 RSP: 0018:ffffc90023d7f710 EFLAGS: 00010286 RAX: 0000000000000033 RBX: ffff8880296e1040 RCX: ffffc90003af9000 RDX: 0000000000000000 RSI: ffffffff816a69c0 RDI: 0000000000000005 RBP: ffff8880296e1160 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 6c65645f7473696c R12: ffffc90023d7f758 R13: 1ffff920047afee7 R14: ffff8880563f38c0 R15: ffffffff8325f398 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7fc1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000004d79d2 CR3: 0000000078d92000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi