bridge0: port 2(bridge_slave_1) entered disabled state
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
kobject: 'loop0' (00000000df0eeb25): kobject_uevent_env
CPU: 0 PID: 7840 Comm: syz-executor.5 Not tainted 5.0.0-rc8+ #88
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__dentry_path+0x49e/0x7c0 fs/d_path.c:344
kobject: 'loop0' (00000000df0eeb25): fill_kobj_path: path = '/devices/virtual/block/loop0'
Code: 89 fc 41 83 e4 01 44 89 e6 e8 ee e5 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 a0 e4 b2 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89
RSP: 0018:ffff888051a2fad0 EFLAGS: 00010212
RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffc90010884000
RDX: 0000000000005465 RSI: ffffffff81bcfa80 RDI: 0000000000000001
RBP: ffff888051a2fbc0 R08: ffff8880971f4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888051a2fb98 R14: ffff88804dd9b53e R15: 0000000000000c4a
FS:  00007f5d898ce700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bad4f4db8 CR3: 000000009683f000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dentry_path_raw+0x26/0x30 fs/d_path.c:371
 kvm_uevent_notify_change.part.0+0x213/0x440 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4051
 kvm_uevent_notify_change arch/x86/kvm/../../../virt/kvm/kvm_main.c:4018 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3356 [inline]
 kvm_dev_ioctl+0x1132/0x1750 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3378
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
kobject: 'loop1' (000000006daa845f): kobject_uevent_env
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
kobject: 'loop1' (000000006daa845f): fill_kobj_path: path = '/devices/virtual/block/loop1'
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5d898cdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000000a
audit: type=1800 audit(1551399850.558:35): pid=7854 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16542 res=0
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d898ce6d4
R13: 00000000004c093a R14: 00000000004d2750 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop0' (00000000df0eeb25): kobject_uevent_env
kobject: 'loop0' (00000000df0eeb25): fill_kobj_path: path = '/devices/virtual/block/loop0'
---[ end trace de9ef7cd61ca0682 ]---
RIP: 0010:__dentry_path+0x49e/0x7c0 fs/d_path.c:344
kobject: 'loop4' (000000006eee1dde): kobject_uevent_env
Code: 89 fc 41 83 e4 01 44 89 e6 e8 ee e5 b2 ff 45 84 e4 0f 85 04 02 00 00 e8 a0 e4 b2 ff 48 8b 85 18 ff ff ff 44 89 bd 40 ff ff ff <80> 38 00 0f 85 f9 02 00 00 48 8b 85 38 ff ff ff 41 83 e7 01 44 89
kobject: 'loop4' (000000006eee1dde): fill_kobj_path: path = '/devices/virtual/block/loop4'
RSP: 0018:ffff888051a2fad0 EFLAGS: 00010212
RAX: dffffc0000000005 RBX: 0000000000000000 RCX: ffffc90010884000
RDX: 0000000000005465 RSI: ffffffff81bcfa80 RDI: 0000000000000001
RBP: ffff888051a2fbc0 R08: ffff8880971f4380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
kobject: 'loop0' (00000000df0eeb25): kobject_uevent_env
R13: ffff888051a2fb98 R14: ffff88804dd9b53e R15: 0000000000000c4a
kobject: 'loop0' (00000000df0eeb25): fill_kobj_path: path = '/devices/virtual/block/loop0'
FS:  00007f5d898ce700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f32d000 CR3: 000000009683f000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop3' (00000000728a75c1): kobject_uevent_env
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400