list_del corruption, ffff88802f20f410->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: 5426 Comm: syz.3.18 Not tainted 6.11.0-rc6-syzkaller-00308-gb31c44928842 #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 73 fc 06 90 0f 0b 48 c7 c7 60 be 3f 8c 4c 89 fe e8 ed 73 fc 06 90 0f 0b 48 c7 c7 c0 be 3f 8c 4c 89 fe e8 db 73 fc 06 90 <0f> 0b 48 c7 c7 20 bf 3f 8c 4c 89 fe 48 89 d9 e8 c6 73 fc 06 90 0f RSP: 0018:ffffc9000316f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 83f54ef7a3866300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100f08f400 R08: ffffffff8174016c R09: 1ffff9200062dec4 R10: dffffc0000000000 R11: fffff5200062dec5 R12: dffffc0000000000 R13: ffff88802f20f400 R14: ffff88802f20d410 R15: ffff88802f20f410 FS: 0000555587441500(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0018c7630 CR3: 0000000023e3e000 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: 0033:0x7f01ec37e69a 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:00007fffa03e0b88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffa03e0c10 RCX: 00007f01ec37e69a RDX: 0000000020021180 RSI: 0000000020000180 RDI: 00007fffa03e0bd0 RBP: 0000000020021180 R08: 00007fffa03e0c10 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180 R13: 00007fffa03e0bd0 R14: 000000000002114d R15: 0000000020000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 ff 73 fc 06 90 0f 0b 48 c7 c7 60 be 3f 8c 4c 89 fe e8 ed 73 fc 06 90 0f 0b 48 c7 c7 c0 be 3f 8c 4c 89 fe e8 db 73 fc 06 90 <0f> 0b 48 c7 c7 20 bf 3f 8c 4c 89 fe 48 89 d9 e8 c6 73 fc 06 90 0f RSP: 0018:ffffc9000316f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 83f54ef7a3866300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff1100f08f400 R08: ffffffff8174016c R09: 1ffff9200062dec4 R10: dffffc0000000000 R11: fffff5200062dec5 R12: dffffc0000000000 R13: ffff88802f20f400 R14: ffff88802f20d410 R15: ffff88802f20f410 FS: 0000555587441500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f99e3bfd000 CR3: 0000000023e3e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400