list_del corruption, ffff88807645b810->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5969 Comm: syz.2.73 Not tainted 6.11.0-rc7-syzkaller-00017-gbc83b4d1f086 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 ff 6b fc 06 90 0f 0b 48 c7 c7 e0 be 3f 8c 4c 89 fe e8 ed 6b fc 06 90 0f 0b 48 c7 c7 40 bf 3f 8c 4c 89 fe e8 db 6b fc 06 90 <0f> 0b 48 c7 c7 a0 bf 3f 8c 4c 89 fe 48 89 d9 e8 c6 6b fc 06 90 0f RSP: 0018:ffffc9000360f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 72844209c1891600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807645b8f8 R08: ffffffff8174016c R09: fffffbfff1cba0e0 R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: dffffc0000000000 R13: ffff88807645b800 R14: ffff88805f407810 R15: ffff88807645b810 FS: 00007fdd65eb16c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f72956d3290 CR3: 00000000302c6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del_rcu include/linux/rculist.h:157 [inline] destroy_workqueue+0x7b3/0xc40 kernel/workqueue.c:5827 gfs2_fill_super+0x128a/0x2500 fs/gfs2/ops_fstype.c:1310 get_tree_bdev+0x3f7/0x570 fs/super.c:1635 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1329 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd6517f69a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdd65eb0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdd65eb0ef0 RCX: 00007fdd6517f69a RDX: 00000000200002c0 RSI: 0000000020000100 RDI: 00007fdd65eb0eb0 RBP: 00000000200002c0 R08: 00007fdd65eb0ef0 R09: 0000000000008c9b R10: 0000000000008c9b R11: 0000000000000246 R12: 0000000020000100 R13: 00007fdd65eb0eb0 R14: 0000000000012796 R15: 0000000020000400 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 ff 6b fc 06 90 0f 0b 48 c7 c7 e0 be 3f 8c 4c 89 fe e8 ed 6b fc 06 90 0f 0b 48 c7 c7 40 bf 3f 8c 4c 89 fe e8 db 6b fc 06 90 <0f> 0b 48 c7 c7 a0 bf 3f 8c 4c 89 fe 48 89 d9 e8 c6 6b fc 06 90 0f RSP: 0018:ffffc9000360f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 72844209c1891600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807645b8f8 R08: ffffffff8174016c R09: fffffbfff1cba0e0 R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: dffffc0000000000 R13: ffff88807645b800 R14: ffff88805f407810 R15: ffff88807645b810 FS: 00007fdd65eb16c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a4abffe00 CR3: 00000000302c6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400