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: 'loop1' (0000000086bb8567): kobject_uevent_env
CPU: 0 PID: 18026 Comm: syz-executor2 Not tainted 5.0.0-rc2+ #32
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline]
RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline]
RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline]
RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39
kobject: 'loop1' (0000000086bb8567): fill_kobj_path: path = '/devices/virtual/block/loop1'
RSP: 0018:ffff8880512e76d8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a291000
RDX: 0000000000000000 RSI: ffffffff828b9c3c RDI: 0000000000000004
kobject: 'loop4' (000000003ed5d692): kobject_uevent_env
RBP: ffff8880512e7aa8 R08: ffff88808c116300 R09: ffffed1011a83ec2
R10: ffffed1011a83ec1 R11: ffff88808d41f60b R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88808d41f5e8
FS:  00007fbae725e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000f735c0 CR3: 000000008a675000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fuse_dev_write+0x191/0x240 fs/fuse/dev.c:2003
 call_write_iter include/linux/fs.h:1862 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x764/0xb40 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0x105/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458099
Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fbae725dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099
RDX: 0000000000000030 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbae725e6d4
R13: 00000000004c6efc R14: 00000000004dc520 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop4' (000000003ed5d692): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'event4' (0000000093751d75): kobject_cleanup, parent           (null)
kobject: 'kvm' (0000000090fea51c): kobject_uevent_env
kobject: 'kvm' (0000000090fea51c): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'event4' (0000000093751d75): calling ktype release
---[ end trace e3130e1ce1d91763 ]---
RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline]
RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline]
RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline]
RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919
kobject: 'kvm' (0000000090fea51c): kobject_uevent_env
kobject: 'kvm' (0000000090fea51c): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'event4': free name
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39
kobject: 'input65' (0000000038a0bf37): kobject_uevent_env
RSP: 0018:ffff8880512e76d8 EFLAGS: 00010247
kobject: 'input65' (0000000038a0bf37): fill_kobj_path: path = '/devices/virtual/input/input65'
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a291000
kobject: 'input65' (0000000038a0bf37): kobject_cleanup, parent           (null)
RDX: 0000000000000000 RSI: ffffffff828b9c3c RDI: 0000000000000004
kobject: 'input65' (0000000038a0bf37): calling ktype release
kobject: 'loop3' (0000000076a4d84e): kobject_uevent_env
kobject: 'input65': free name
kobject: 'loop3' (0000000076a4d84e): fill_kobj_path: path = '/devices/virtual/block/loop3'
RBP: ffff8880512e7aa8 R08: ffff88808c116300 R09: ffffed1011a83ec2
kobject: 'input66' (0000000000e1d025): kobject_add_internal: parent: 'input', set: 'devices'
R10: ffffed1011a83ec1 R11: ffff88808d41f60b R12: 0000000000000000
kobject: 'loop5' (000000006d8fcfb5): kobject_uevent_env
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88808d41f5e8
kobject: 'kvm' (0000000090fea51c): kobject_uevent_env
kobject: 'input66' (0000000000e1d025): kobject_uevent_env
kobject: 'loop5' (000000006d8fcfb5): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000090fea51c): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'input66' (0000000000e1d025): fill_kobj_path: path = '/devices/virtual/input/input66'
kobject: 'loop1' (0000000086bb8567): kobject_uevent_env
kobject: 'kvm' (0000000090fea51c): kobject_uevent_env
kobject: 'kvm' (0000000090fea51c): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (0000000086bb8567): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'input66' (0000000000e1d025): fill_kobj_path: path = '/devices/virtual/input/input66'
FS:  00007fbae725e700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop1' (0000000086bb8567): kobject_uevent_env
input: syz1 as /devices/virtual/input/input66
CR2: 0000000000f91668 CR3: 000000008a675000 CR4: 00000000001426e0
kobject: 'event4' (0000000017f6fea6): kobject_add_internal: parent: 'input66', set: 'devices'
kobject: 'loop1' (0000000086bb8567): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'event4' (0000000017f6fea6): kobject_uevent_env
kobject: 'loop5' (000000006d8fcfb5): kobject_uevent_env
kobject: 'event4' (0000000017f6fea6): fill_kobj_path: path = '/devices/virtual/input/input66/event4'
kobject: 'loop5' (000000006d8fcfb5): fill_kobj_path: path = '/devices/virtual/block/loop5'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop3' (0000000076a4d84e): kobject_uevent_env