list_del corruption, ffff888022958810->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: 0 UID: 0 PID: 5345 Comm: syz-executor.4 Not tainted 6.10.0-rc4-next-20240620-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 3f 45 d3 06 90 0f 0b 48 c7 c7 a0 4e 20 8c 4c 89 fe e8 2d 45 d3 06 90 0f 0b 48 c7 c7 00 4f 20 8c 4c 89 fe e8 1b 45 d3 06 90 <0f> 0b 48 c7 c7 60 4f 20 8c 4c 89 fe 48 89 d9 e8 06 45 d3 06 90 0f RSP: 0018:ffffc9000321f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 248ea409371fa800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11005cb3700 R08: ffffffff817394b9 R09: 1ffffffff25fc2e9 R10: dffffc0000000000 R11: fffffbfff25fc2ea R12: dffffc0000000000 R13: ffff888022958800 R14: ffff88802295ac10 R15: ffff888022958810 FS: 000055557cb20480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f59613ff000 CR3: 000000007cc42000 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:5830 gfs2_fill_super+0x12a4/0x2520 fs/gfs2/ops_fstype.c:1311 get_tree_bdev+0x3f7/0x570 fs/super.c:1624 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0x90/0x2a0 fs/super.c:1789 do_new_mount+0x2be/0xb40 fs/namespace.c:3379 do_mount fs/namespace.c:3719 [inline] __do_sys_mount fs/namespace.c:3925 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3902 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: 0033:0x7f80fe27e62a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe62c4c2c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffe62c4c350 RCX: 00007f80fe27e62a RDX: 00000000200003c0 RSI: 0000000020037f80 RDI: 00007ffe62c4c310 RBP: 00000000200003c0 R08: 00007ffe62c4c350 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020037f80 R13: 00007ffe62c4c310 R14: 0000000000037f59 R15: 0000000020000500 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 3f 45 d3 06 90 0f 0b 48 c7 c7 a0 4e 20 8c 4c 89 fe e8 2d 45 d3 06 90 0f 0b 48 c7 c7 00 4f 20 8c 4c 89 fe e8 1b 45 d3 06 90 <0f> 0b 48 c7 c7 60 4f 20 8c 4c 89 fe 48 89 d9 e8 06 45 d3 06 90 0f RSP: 0018:ffffc9000321f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 248ea409371fa800 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11005cb3700 R08: ffffffff817394b9 R09: 1ffffffff25fc2e9 R10: dffffc0000000000 R11: fffffbfff25fc2ea R12: dffffc0000000000 R13: ffff888022958800 R14: ffff88802295ac10 R15: ffff888022958810 FS: 000055557cb20480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdae15fc000 CR3: 000000007cc42000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400