RBP: 0000000000000009 R08: 00007ffc63de97b7 R09: 00007ffc63deccd0 R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffc63deccd0 R13: 00007f5eaf91c08c R14: 0000555583bf24a8 R15: 00007ffc63dedda0 ---[ end trace a11e23744b7a438b ]--- list_del corruption. prev->next should be ffff8881e9dc3b30, but was ffff8881e9dc3c40 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 359 Comm: syz-executor Tainted: G W 5.4.289-syzkaller-00028-g3f2c17e79750 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__list_del_entry_valid+0x107/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 b1 e7 23 02 0f 0b 48 c7 c7 c0 5c fa 84 4c 89 f6 e8 a0 e7 23 02 0f 0b 48 c7 c7 20 5d fa 84 4c 89 f6 e8 8f e7 23 02 <0f> 0b 48 c7 c7 80 5d fa 84 4c 89 f6 e8 7e e7 23 02 0f 0b 66 0f 1f RSP: 0018:ffff8881d6bf7a48 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881e9dc3c40 RCX: 660730dc2a8bd700 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e9dc3ab0 R08: ffffffff814d6d92 R09: ffffed103edea9b8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881e9dc3af8 R14: ffff8881e9dc3b30 R15: ffff8881e9e214e0 FS: 0000555583bf2500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555563a0a4a8 CR3: 00000001d066a000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:131 [inline] dentry_unlist fs/dcache.c:526 [inline] __dentry_kill+0x242/0x630 fs/dcache.c:579 dentry_kill+0xb8/0x280 fs/dcache.c:677 dput+0x3c/0x80 fs/dcache.c:864 incfs_free_mount_info+0x5d/0x210 fs/incfs/data_mgmt.c:166 incfs_kill_sb+0x1a3/0x200 fs/incfs/vfs.c:1950 deactivate_locked_super+0xa8/0x110 fs/super.c:335 deactivate_super+0x1e2/0x2a0 fs/super.c:366 cleanup_mnt+0x44e/0x500 fs/namespace.c:1102 task_work_run+0x140/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xcaf/0x2bc0 kernel/exit.c:861 do_group_exit+0x138/0x300 kernel/exit.c:984 __do_sys_exit_group kernel/exit.c:995 [inline] __se_sys_exit_group kernel/exit.c:993 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:993 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f5eaf89ada9 Code: Bad RIP value. RSP: 002b:00007ffc63deba18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f5eaf91c0ec RCX: 00007f5eaf89ada9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000009 R08: 00007ffc63de97b7 R09: 00007ffc63deccd0 R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffc63deccd0 R13: 00007f5eaf91c08c R14: 0000555583bf24a8 R15: 00007ffc63dedda0 Modules linked in: ---[ end trace a11e23744b7a438c ]--- RIP: 0010:__list_del_entry_valid+0x107/0x120 lib/list_debug.c:59 Code: 4c 89 f6 e8 b1 e7 23 02 0f 0b 48 c7 c7 c0 5c fa 84 4c 89 f6 e8 a0 e7 23 02 0f 0b 48 c7 c7 20 5d fa 84 4c 89 f6 e8 8f e7 23 02 <0f> 0b 48 c7 c7 80 5d fa 84 4c 89 f6 e8 7e e7 23 02 0f 0b 66 0f 1f RSP: 0018:ffff8881d6bf7a48 EFLAGS: 00010246 RAX: 0000000000000054 RBX: ffff8881e9dc3c40 RCX: 660730dc2a8bd700 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e9dc3ab0 R08: ffffffff814d6d92 R09: ffffed103edea9b8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881e9dc3af8 R14: ffff8881e9dc3b30 R15: ffff8881e9e214e0 FS: 0000555583bf2500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5eaf89ad7f CR3: 00000001d066a000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400