RBP: 00007ffc550cff20 R08: 00007ffc550d0f20 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc550d0fb0 R13: 00007f7ba97e41ca R14: 000000000001b192 R15: 00007ffc550d0ff0 ---[ end trace a47396927362a496 ]--- list_del corruption. prev->next should be ffff88813645be60, but was ffff88813645b6f0 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2358 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 66 c2 38 02 0f 0b 48 c7 c7 a0 93 40 85 48 89 de e8 55 c2 38 02 0f 0b 48 c7 c7 00 94 40 85 48 89 de e8 44 c2 38 02 <0f> 0b 48 c7 c7 60 94 40 85 48 89 de e8 33 c2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc9000a517c60 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88813645be60 RCX: 81e570b8df39ed00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000a517c80 R08: ffff8881f7052fbf R09: 1ffff1103ee0a5f7 R10: dffffc0000000000 R11: ffffed103ee0a5f8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88813645b6f0 R15: ffff88813645bc40 FS: 00005555799aa500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5d7ef9000 CR3: 000000013ca80000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] dentry_unlist fs/dcache.c:526 [inline] __dentry_kill+0x24c/0x650 fs/dcache.c:579 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:883 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1aa/0x210 fs/incfs/vfs.c:1979 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x45b/0x510 fs/namespace.c:1123 __cleanup_mnt+0x19/0x20 fs/namespace.c:1130 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7ba9750097 Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc550cfe68 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7ba9750097 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc550cff20 RBP: 00007ffc550cff20 R08: 00007ffc550d0f20 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc550d0fb0 R13: 00007f7ba97e41ca R14: 000000000001b192 R15: 00007ffc550d0ff0 Modules linked in: ---[ end trace a47396927362a497 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 66 c2 38 02 0f 0b 48 c7 c7 a0 93 40 85 48 89 de e8 55 c2 38 02 0f 0b 48 c7 c7 00 94 40 85 48 89 de e8 44 c2 38 02 <0f> 0b 48 c7 c7 60 94 40 85 48 89 de e8 33 c2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc9000a517c60 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88813645be60 RCX: 81e570b8df39ed00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000a517c80 R08: ffff8881f7052fbf R09: 1ffff1103ee0a5f7 R10: dffffc0000000000 R11: ffffed103ee0a5f8 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88813645b6f0 R15: ffff88813645bc40 FS: 00005555799aa500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe5d7ef9000 CR3: 000000013ca80000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400