list_del corruption, ffff88801bc63020->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5637 Comm: syz-executor.5 Not tainted 6.5.0-rc5-next-20230807-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__list_del_entry_valid+0xfd/0x1b0 lib/list_debug.c:53 Code: 18 c3 48 c7 c7 80 8f c8 8a e8 5f 71 43 fd 0f 0b 48 c7 c7 e0 8f c8 8a e8 51 71 43 fd 0f 0b 48 c7 c7 40 90 c8 8a e8 43 71 43 fd <0f> 0b 48 89 ca 48 c7 c7 a0 90 c8 8a e8 32 71 43 fd 0f 0b 48 89 c2 RSP: 0018:ffffc9000558f8d0 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88801bc63000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816a9732 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff88801bc63130 R13: ffffc9000558f928 R14: ffff88801bc63020 R15: ffff88801bc63028 FS: 00007fe3739386c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560da64aa048 CR3: 000000006a4e0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:134 [inline] list_del include/linux/list.h:148 [inline] btrfs_close_devices+0x460/0x790 fs/btrfs/volumes.c:1208 btrfs_mount_root+0x6a0/0xe70 fs/btrfs/super.c:1542 legacy_get_tree+0x109/0x220 fs/fs_context.c:611 vfs_get_tree+0x88/0x350 fs/super.c:1544 fc_mount fs/namespace.c:1112 [inline] vfs_kern_mount.part.0+0xcb/0x170 fs/namespace.c:1142 vfs_kern_mount+0x3f/0x60 fs/namespace.c:1129 btrfs_mount+0x292/0xb10 fs/btrfs/super.c:1588 legacy_get_tree+0x109/0x220 fs/fs_context.c:611 vfs_get_tree+0x88/0x350 fs/super.c:1544 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] __x64_sys_mount+0x293/0x310 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe372c7e1ea 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:00007fe373937ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe373937f80 RCX: 00007fe372c7e1ea RDX: 00000000200051c0 RSI: 0000000020005200 RDI: 00007fe373937f40 RBP: 00000000200051c0 R08: 00007fe373937f80 R09: 0000000001000008 R10: 0000000001000008 R11: 0000000000000246 R12: 0000000020005200 R13: 00007fe373937f40 R14: 00000000000051ab R15: 0000000020000280 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0xfd/0x1b0 lib/list_debug.c:53 Code: 18 c3 48 c7 c7 80 8f c8 8a e8 5f 71 43 fd 0f 0b 48 c7 c7 e0 8f c8 8a e8 51 71 43 fd 0f 0b 48 c7 c7 40 90 c8 8a e8 43 71 43 fd <0f> 0b 48 89 ca 48 c7 c7 a0 90 c8 8a e8 32 71 43 fd 0f 0b 48 89 c2 RSP: 0018:ffffc9000558f8d0 EFLAGS: 00010282 RAX: 000000000000004e RBX: ffff88801bc63000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816a9732 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff88801bc63130 R13: ffffc9000558f928 R14: ffff88801bc63020 R15: ffff88801bc63028 FS: 00007fe3739386c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d90255290 CR3: 000000006a4e0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400