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: 17831 Comm: syz-executor.5 Not tainted 4.19.163-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:ffff88822c9efca8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888000805848 RCX: ffffffff814d61fb RDX: 0000000000000000 RSI: ffffffff818c47ef RDI: ffff888000805850 RBP: ffff888000805848 R08: 0000000000000001 R09: ffffed1047663430 R10: ffff88823b31a183 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888000805850 R15: ffff8880008056d8 FS: 0000000002aa4940(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 000000022c4b5000 CR4: 00000000001406f0 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 __dentry_kill+0x3c0/0x640 fs/dcache.c:566 dentry_kill+0xc4/0x510 fs/dcache.c:685 dput+0x55f/0x640 fs/dcache.c:846 __fput+0x415/0x890 fs/file_table.c:291 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: 0033:0x417ab1 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 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:00007ffe43653f30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000000000a RCX: 0000000000417ab1 RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000009 RBP: 0000000000000000 R08: 00000000011aa270 R09: 0000000000000000 R10: 00007ffe43654000 R11: 0000000000000293 R12: ffffffffffffffff R13: 0000000000000001 R14: 0000000000000003 R15: 000000000119c034 Modules linked in: ---[ end trace 82741fff3ebb1585 ]--- 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:ffff88822c9efca8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888000805848 RCX: ffffffff814d61fb RDX: 0000000000000000 RSI: ffffffff818c47ef RDI: ffff888000805850 RBP: ffff888000805848 R08: 0000000000000001 R09: ffffed1047663430 R10: ffff88823b31a183 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888000805850 R15: ffff8880008056d8 FS: 0000000002aa4940(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000400200 CR3: 000000022c4b5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400