RDX: 00007f84853b9fb0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f84869f6eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8486be9038 R14: 00007f8486be8fa0 R15: 00007ffd98bf73c8 ---[ end trace 25ff33349c344a87 ]--- list_del corruption. prev->next should be ffff88812b8e05e0, but was ffff8881101b9a20 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1071 Comm: syz.6.193 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 86 f4 37 02 0f 0b 48 c7 c7 60 66 40 85 48 89 de e8 75 f4 37 02 0f 0b 48 c7 c7 c0 66 40 85 48 89 de e8 64 f4 37 02 <0f> 0b 48 c7 c7 20 67 40 85 48 89 de e8 53 f4 37 02 0f 0b 00 55 48 RSP: 0018:ffffc9000136f7f8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812b8e05e0 RCX: 877667fb57897800 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000136f818 R08: ffffc9000136f1a7 R09: fffff5200026de68 R10: dffffc0000000000 R11: fffff5200026de35 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881101b9a20 R15: ffff88812b9e2090 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f77b012a2f8 CR3: 000000010d516000 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+0x248/0x660 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+0x1a1/0x200 fs/incfs/vfs.c:1979 deactivate_locked_super+0xa0/0x100 fs/super.c:335 deactivate_super+0xaf/0xe0 fs/super.c:366 cleanup_mnt+0x44f/0x500 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+0xa7c/0x24e0 kernel/exit.c:873 do_group_exit+0x149/0x310 kernel/exit.c:987 get_signal+0xfb1/0x1300 kernel/signal.c:2794 arch_do_signal_or_restart+0xe7/0x11b0 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 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f84869216ce Code: Unable to access opcode bytes at RIP 0x7f84869216a4. RSP: 002b:00007f84853b9f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f84853ba6c0 RCX: 00007f84869216ce RDX: 00007f84853b9fb0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f84869f6eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8486be9038 R14: 00007f8486be8fa0 R15: 00007ffd98bf73c8 Modules linked in: ---[ end trace 25ff33349c344a88 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 86 f4 37 02 0f 0b 48 c7 c7 60 66 40 85 48 89 de e8 75 f4 37 02 0f 0b 48 c7 c7 c0 66 40 85 48 89 de e8 64 f4 37 02 <0f> 0b 48 c7 c7 20 67 40 85 48 89 de e8 53 f4 37 02 0f 0b 00 55 48 RSP: 0018:ffffc9000136f7f8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812b8e05e0 RCX: 877667fb57897800 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000136f818 R08: ffffc9000136f1a7 R09: fffff5200026de68 R10: dffffc0000000000 R11: fffff5200026de35 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8881101b9a20 R15: ffff88812b9e2090 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f77b012a2f8 CR3: 000000010d516000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400