kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8509 Comm: syz-executor.4 Not tainted 4.19.136-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x81/0xef lib/list_debug.c:51 Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d RSP: 0018:ffff8882112a7c88 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888000805358 RCX: ffffffff815255bb RDX: 0000000000000000 RSI: ffffffff81912ecf RDI: ffff888000805360 RBP: ffff888000805358 R08: 0000000000000001 R09: ffffed1015281eb8 R10: ffff8880a940f5c3 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888000805360 R15: ffff8880008051e8 FS: 0000000001a01940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c2f000 CR3: 00000000a03b7000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del_init include/linux/list.h:159 [inline] list_lru_del+0x11b/0x570 mm/list_lru.c:156 inode_lru_list_del fs/inode.c:434 [inline] iput_final fs/inode.c:1552 [inline] iput+0x4c0/0x860 fs/inode.c:1581 dentry_unlink_inode+0x265/0x320 fs/dcache.c:374 d_delete+0x210/0x280 fs/dcache.c:2370 __debugfs_remove.part.0+0xb9/0x1b0 fs/debugfs/inode.c:656 __debugfs_remove include/linux/dcache.h:322 [inline] debugfs_remove_recursive fs/debugfs/inode.c:763 [inline] debugfs_remove_recursive+0x37a/0x4c0 fs/debugfs/inode.c:709 kvm_vcpu_release+0x58/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2638 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4167f1 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fff2097a800 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004167f1 RDX: 0000000000000000 RSI: ffffffff873cf158 RDI: 0000000000000005 RBP: 0000000000000001 R08: ffffffff81020e9b R09: 0000000068e3f068 R10: 00007fff2097a8f0 R11: 0000000000000293 R12: 000000000078c900 R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078c04c Modules linked in: ---[ end trace be083b257a7244d5 ]--- RIP: 0010:__list_del_entry_valid+0x81/0xef lib/list_debug.c:51 Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d RSP: 0018:ffff8882112a7c88 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888000805358 RCX: ffffffff815255bb RDX: 0000000000000000 RSI: ffffffff81912ecf RDI: ffff888000805360 RBP: ffff888000805358 R08: 0000000000000001 R09: ffffed1015281eb8 R10: ffff8880a940f5c3 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888000805360 R15: ffff8880008051e8 FS: 0000000001a01940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c2f000 CR3: 00000000a03b7000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400