R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdea2e3320 R13: 00007f638fe32120 R14: 0000000000044d8c R15: 00007ffdea2e3360 ---[ end trace 0000000000000000 ]--- list_del corruption. prev->next should be ffff888137361090, but was ffff88810fd88090. (prev=ffff8881373616f0) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3072 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 ae 0a 89 02 0f 0b 48 c7 c7 20 91 ca 85 48 89 de e8 9d 0a 89 02 0f 0b 48 c7 c7 80 91 ca 85 48 89 de 4c 89 f9 e8 89 0a 89 02 <0f> 0b 48 c7 c7 00 92 ca 85 48 89 de 4c 89 f1 e8 75 0a 89 02 0f 0b RSP: 0000:ffffc90009127bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888137361090 RCX: d58a72de042e6900 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90009127be8 R08: ffffc900091278c7 R09: 1ffff92001224f18 R10: dffffc0000000000 R11: fffff52001224f19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810fd88090 R15: ffff8881373616f0 FS: 0000555559364500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff74424c000 CR3: 00000001287f2000 CR4: 00000000003526a0 Call Trace: __list_del_entry include/linux/list.h:134 [inline] dentry_unlist fs/dcache.c:554 [inline] __dentry_kill+0x25d/0x670 fs/dcache.c:607 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:918 incfs_free_mount_info+0x60/0x200 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1b8/0x220 fs/incfs/vfs.c:2003 deactivate_locked_super+0xb5/0x120 fs/super.c:336 deactivate_super+0xaf/0xe0 fs/super.c:367 cleanup_mnt+0x474/0x500 fs/namespace.c:1192 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f638fd9e017 Code: a2 c7 05 dc 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:00007ffdea2e21d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f638fd9e017 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdea2e2290 RBP: 00007ffdea2e2290 R08: 00007ffdea2e3290 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdea2e3320 R13: 00007f638fe32120 R14: 0000000000044d8c R15: 00007ffdea2e3360 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x10f/0x130 lib/list_debug.c:59 Code: e8 ae 0a 89 02 0f 0b 48 c7 c7 20 91 ca 85 48 89 de e8 9d 0a 89 02 0f 0b 48 c7 c7 80 91 ca 85 48 89 de 4c 89 f9 e8 89 0a 89 02 <0f> 0b 48 c7 c7 00 92 ca 85 48 89 de 4c 89 f1 e8 75 0a 89 02 0f 0b RSP: 0000:ffffc90009127bc8 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888137361090 RCX: d58a72de042e6900 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90009127be8 R08: ffffc900091278c7 R09: 1ffff92001224f18 R10: dffffc0000000000 R11: fffff52001224f19 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88810fd88090 R15: ffff8881373616f0 FS: 0000555559364500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff74424c000 CR3: 00000001287f2000 CR4: 00000000003526a0