9pnet: p9_errstr2errno: server reported unknown error etz0e&�E�憂�y
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
Modules linked in:
CPU: 1 PID: 8439 Comm: syz-executor.2 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888067ac6740 task.stack: ffff888067ad0000
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:167 [inline]
RIP: 0010:rb_erase+0x29/0x1c10 lib/rbtree.c:459
RSP: 0018:ffff888067ad79d0 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: ffff88807e805430 RCX: ffffc9000905e000
RDX: 0000000000000001 RSI: ffffffff89246880 RDI: 0000000000000008
RBP: ffff888067ad7a18 R08: 0000000000003bf8 R09: ffffffff88c96380
R10: ffff888067ac6fe8 R11: ffff888067ac6740 R12: 0000000000000000
R13: ffff8880680c5470 R14: 0000000000000000 R15: ffffffff867a2220
FS:  00007f6316b54700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002100003f CR3: 00000000948f9000 CR4: 00000000001406e0
Call Trace:
 integrity_inode_free+0x126/0x320 security/integrity/iint.c:146
 security_inode_free+0x19/0x90 security/security.c:443
 __destroy_inode+0x1ef/0x4e0 fs/inode.c:237
 destroy_inode+0x50/0x130 fs/inode.c:264
 evict+0x3e9/0x630 fs/inode.c:571
 iput_final fs/inode.c:1516 [inline]
 iput fs/inode.c:1543 [inline]
 iput+0x476/0x900 fs/inode.c:1528
 swap_inode_boot_loader fs/ext4/ioctl.c:197 [inline]
 ext4_ioctl+0x15f1/0x38b0 fs/ext4/ioctl.c:883
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4582f9
RSP: 002b:00007f6316b53c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00000000004582f9
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000005
RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6316b546d4
R13: 00000000004c046f R14: 00000000004d2460 R15: 00000000ffffffff
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 41 57 41 56 49 89 fe 48 83 c7 08 48 89 fa 41 55 48 c1 ea 03 41 54 53 48 83 ec 20 <80> 3c 02 00 0f 85 0c 11 00 00 49 8d 7e 10 4d 8b 7e 08 48 b8 00 
RIP: __rb_erase_augmented include/linux/rbtree_augmented.h:167 [inline] RSP: ffff888067ad79d0
RIP: rb_erase+0x29/0x1c10 lib/rbtree.c:459 RSP: ffff888067ad79d0
---[ end trace e0a27b4ae667e15d ]---