R13: 00007f0b0a24c048 R14: 00005555848114e8 R15: 00007ffe97770b10 ---[ end trace 4a2ff257a2293561 ]--- list_del corruption. prev->next should be ffff888110744a20, but was ffff888110744f70 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 465 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 a6 a2 38 02 0f 0b 48 c7 c7 60 83 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 83 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 84 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000bb7ad8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888110744a20 RCX: eb39fe6af0edaf00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bb7af8 R08: ffffc90000bb7487 R09: fffff52000176ec4 R10: dffffc0000000000 R11: fffff52000176e91 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888110744f70 R15: ffff88811a5c4800 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f059d4000 CR3: 0000000118044000 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 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa90/0x2500 kernel/exit.c:872 do_group_exit+0x141/0x310 kernel/exit.c:986 __do_sys_exit_group kernel/exit.c:997 [inline] __se_sys_exit_group kernel/exit.c:995 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:995 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0b0a1b6819 Code: Unable to access opcode bytes at RIP 0x7f0b0a1b67ef. RSP: 002b:00007ffe9776e788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f0b0a24c0a8 RCX: 00007f0b0a1b6819 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 0000000000000000 R09: 00007f0b0a24c048 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe9776fa40 R13: 00007f0b0a24c048 R14: 00005555848114e8 R15: 00007ffe97770b10 Modules linked in: ---[ end trace 4a2ff257a2293562 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 a6 a2 38 02 0f 0b 48 c7 c7 60 83 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 83 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 84 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000bb7ad8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff888110744a20 RCX: eb39fe6af0edaf00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bb7af8 R08: ffffc90000bb7487 R09: fffff52000176ec4 R10: dffffc0000000000 R11: fffff52000176e91 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888110744f70 R15: ffff88811a5c4800 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f059d4000 CR3: 0000000118044000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400