do_sys_open+0x39c/0x810 fs/open.c:1113 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 ---[ end trace 7481dcc65bdc2e04 ]--- list_del corruption. prev->next should be ffff8881a134cf70, but was ffff8881a6111f80 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17294 Comm: syz-executor.4 Tainted: G W 5.4.233-syzkaller-00029-g0e0b8c9892c8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__list_del_entry_valid+0x107/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 2c 5c 0f 02 0f 0b 48 c7 c7 60 bd d9 84 4c 89 f6 e8 1b 5c 0f 02 0f 0b 48 c7 c7 c0 bd d9 84 4c 89 f6 e8 0a 5c 0f 02 <0f> 0b 48 c7 c7 20 be d9 84 4c 89 f6 e8 f9 5b 0f 02 0f 0b 66 0f 1f RSP: 0018:ffff88819ad97748 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881a6111f80 RCX: 6a49f2a823ab1f00 RDX: ffffc90004767000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8881a134cef0 R08: ffffffff814ca4f6 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881a134cf38 R14: ffff8881a134cf70 R15: ffff8881a6111f80 FS: 00007fd594f8b700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ff25000 CR3: 00000001eb553000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:131 [inline] dentry_unlist fs/dcache.c:522 [inline] __dentry_kill+0x242/0x630 fs/dcache.c:575 dentry_kill+0xb8/0x280 fs/dcache.c:673 dput+0x154/0x2f0 fs/dcache.c:859 ovl_destroy_inode+0x3c/0xe0 fs/overlayfs/super.c:211 destroy_inode fs/inode.c:281 [inline] evict+0x59d/0x6a0 fs/inode.c:592 ovl_create_object+0x256/0x2f0 fs/overlayfs/dir.c:634 lookup_open fs/namei.c:3309 [inline] do_last fs/namei.c:3401 [inline] path_openat+0x181b/0x3480 fs/namei.c:3614 do_filp_open+0x20b/0x450 fs/namei.c:3644 do_sys_open+0x39c/0x810 fs/open.c:1113 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace 7481dcc65bdc2e05 ]--- RIP: 0010:__list_del_entry_valid+0x107/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 2c 5c 0f 02 0f 0b 48 c7 c7 60 bd d9 84 4c 89 f6 e8 1b 5c 0f 02 0f 0b 48 c7 c7 c0 bd d9 84 4c 89 f6 e8 0a 5c 0f 02 <0f> 0b 48 c7 c7 20 be d9 84 4c 89 f6 e8 f9 5b 0f 02 0f 0b 66 0f 1f RSP: 0018:ffff88819ad97748 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881a6111f80 RCX: 6a49f2a823ab1f00 RDX: ffffc90004767000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8881a134cef0 R08: ffffffff814ca4f6 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881a134cf38 R14: ffff8881a134cf70 R15: ffff8881a6111f80 FS: 00007fd594f8b700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ff25000 CR3: 00000001eb553000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400