gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: can't create logd thread: -4 list_del corruption, ffff88807f38f410->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:59! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 32540 Comm: syz.5.11202 Not tainted 6.11.0-syzkaller-07462-g1868f9d0260e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__list_del_entry_valid_or_report+0x11a/0x1c0 lib/list_debug.c:59 Code: 55 b1 8b e8 a8 36 de fc 90 0f 0b 48 c7 c7 40 56 b1 8b e8 99 36 de fc 90 0f 0b 48 89 ca 48 c7 c7 a0 56 b1 8b e8 87 36 de fc 90 <0f> 0b 48 89 c2 48 c7 c7 00 57 b1 8b e8 75 36 de fc 90 0f 0b 48 89 RSP: 0018:ffffc9001a857a70 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffff88807f38f400 RCX: ffffc9000a4b0000 RDX: 0000000000000000 RSI: ffffffff816d5be6 RDI: 0000000000000005 RBP: ffff88808ad8a868 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff88807f38f418 R13: ffff88807f38f410 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fc896f9c6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f717b160700 CR3: 0000000070fb2000 CR4: 0000000000350ef0 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+0x400/0xaa0 kernel/workqueue.c:5872 gfs2_fill_super+0x146d/0x2d10 fs/gfs2/ops_fstype.c:1310 get_tree_bdev+0x372/0x610 fs/super.c:1635 gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1329 vfs_get_tree+0x92/0x380 fs/super.c:1800 do_new_mount fs/namespace.c:3507 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount fs/namespace.c:4032 [inline] __x64_sys_mount+0x294/0x320 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc89617f69a 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:00007fc896f9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc896f9bef0 RCX: 00007fc89617f69a RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fc896f9beb0 RBP: 00000000200124c0 R08: 00007fc896f9bef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020012500 R13: 00007fc896f9beb0 R14: 00000000000124ab R15: 0000000020012540 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x11a/0x1c0 lib/list_debug.c:59 Code: 55 b1 8b e8 a8 36 de fc 90 0f 0b 48 c7 c7 40 56 b1 8b e8 99 36 de fc 90 0f 0b 48 89 ca 48 c7 c7 a0 56 b1 8b e8 87 36 de fc 90 <0f> 0b 48 89 c2 48 c7 c7 00 57 b1 8b e8 75 36 de fc 90 0f 0b 48 89 RSP: 0018:ffffc9001a857a70 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffff88807f38f400 RCX: ffffc9000a4b0000 RDX: 0000000000000000 RSI: ffffffff816d5be6 RDI: 0000000000000005 RBP: ffff88808ad8a868 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffff88807f38f418 R13: ffff88807f38f410 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fc896f9c6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd7b867e18 CR3: 0000000070fb2000 CR4: 0000000000350ef0