RSP: 002b:00007fe6f8b83fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 00007fe6fa3a2fa0 RCX: 00007fe6fa129799 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011 RBP: 00007fe6fa1bfc99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007fe6fa3a3038 R14: 00007fe6fa3a2fa0 R15: 00007ffd767f2608 ---[ end trace fc9305538490e803 ]--- list_del corruption. prev->next should be ffff88811a494b30, but was ffff88811a494e60 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 9000 Comm: syz.1.2549 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 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 86 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 86 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 87 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000bd77b8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88811a494b30 RCX: 13815f0c23b3d000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bd77d8 R08: ffffc90000bd7167 R09: fffff5200017ae60 R10: dffffc0000000000 R11: fffff5200017ae2d R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88811a494e60 R15: ffff88811a494090 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24af51cff8 CR3: 000000010d4dd000 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 get_signal+0xf7d/0x12e0 kernel/signal.c:2793 arch_do_signal_or_restart+0xe2/0x11d0 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:291 RIP: 0033:0x7fe6fa129799 Code: Unable to access opcode bytes at RIP 0x7fe6fa12976f. RSP: 002b:00007fe6f8b83fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 00007fe6fa3a2fa0 RCX: 00007fe6fa129799 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011 RBP: 00007fe6fa1bfc99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007fe6fa3a3038 R14: 00007fe6fa3a2fa0 R15: 00007ffd767f2608 Modules linked in: ---[ end trace fc9305538490e804 ]--- 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 86 40 85 48 89 de e8 95 a2 38 02 0f 0b 48 c7 c7 c0 86 40 85 48 89 de e8 84 a2 38 02 <0f> 0b 48 c7 c7 20 87 40 85 48 89 de e8 73 a2 38 02 0f 0b 00 55 48 RSP: 0018:ffffc90000bd77b8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88811a494b30 RCX: 13815f0c23b3d000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000bd77d8 R08: ffffc90000bd7167 R09: fffff5200017ae60 R10: dffffc0000000000 R11: fffff5200017ae2d R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88811a494e60 R15: ffff88811a494090 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24af51cff8 CR3: 000000010d4dd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400