RSP: 002b:00007ffebfce49b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f6af3aeec9f RCX: 00007f6af3a6bc29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000016 R08: 00007ffebfce2756 R09: 00007ffebfce5c70 R10: 000000000000000a R11: 0000000000000246 R12: 00007ffebfce5c70 R13: 00007f6af3aeec2d R14: 00005555575964a8 R15: 00007ffebfce7e30 ---[ end trace 5d212a6a18079fc8 ]--- list_del corruption. prev->next should be ffff88812dc252b0, but was ffff88812de96e70 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3996 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 66 fe 31 02 0f 0b 48 c7 c7 20 27 20 85 48 89 de e8 55 fe 31 02 0f 0b 48 c7 c7 80 27 20 85 48 89 de e8 44 fe 31 02 <0f> 0b 48 c7 c7 e0 27 20 85 48 89 de e8 33 fe 31 02 0f 0b 00 55 48 RSP: 0018:ffffc9000131faf8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812dc252b0 RCX: 06182e1c126b2200 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000131fb18 R08: dffffc0000000000 R09: fffff52000263e95 R10: fffff52000263e95 R11: 1ffff92000263e94 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88812de96e70 R15: ffff88812dc256f0 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32b16ff8 CR3: 000000010d050000 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+0x446/0x500 fs/namespace.c:1114 __cleanup_mnt+0x19/0x20 fs/namespace.c:1121 task_work_run+0x127/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa4f/0x2480 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: 0033:0x7f6af3a6bc29 Code: Unable to access opcode bytes at RIP 0x7f6af3a6bbff. RSP: 002b:00007ffebfce49b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f6af3aeec9f RCX: 00007f6af3a6bc29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000016 R08: 00007ffebfce2756 R09: 00007ffebfce5c70 R10: 000000000000000a R11: 0000000000000246 R12: 00007ffebfce5c70 R13: 00007f6af3aeec2d R14: 00005555575964a8 R15: 00007ffebfce7e30 Modules linked in: ---[ end trace 5d212a6a18079fc9 ]--- RIP: 0010:__list_del_entry_valid+0x10c/0x120 lib/list_debug.c:59 Code: 48 89 de e8 66 fe 31 02 0f 0b 48 c7 c7 20 27 20 85 48 89 de e8 55 fe 31 02 0f 0b 48 c7 c7 80 27 20 85 48 89 de e8 44 fe 31 02 <0f> 0b 48 c7 c7 e0 27 20 85 48 89 de e8 33 fe 31 02 0f 0b 00 55 48 RSP: 0018:ffffc9000131faf8 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff88812dc252b0 RCX: 06182e1c126b2200 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000131fb18 R08: dffffc0000000000 R09: fffff52000263e95 R10: fffff52000263e95 R11: 1ffff92000263e94 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff88812de96e70 R15: ffff88812dc256f0 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32b16ff8 CR3: 000000010d050000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400