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: 'loop3' (00000000f1e69cdf): kobject_uevent_env
CPU: 1 PID: 30478 Comm: syz-executor2 Not tainted 5.0.0-rc5 #60
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop3' (00000000f1e69cdf): fill_kobj_path: path = '/devices/virtual/block/loop3'
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+0x18f7/0x2540 fs/fuse/dev.c:1919
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 45 09 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 07
RSP: 0018:ffff888047a079a8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90014618000
RDX: 0000000000000000 RSI: ffffffff824d084b RDI: 0000000000000004
RBP: ffff888047a07b98 R08: ffff888057f7e140 R09: ffffed100ae01e83
R10: ffffed100ae01e82 R11: ffff88805700f413 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88805700f3f0
FS:  00007f60ae9e4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31821000 CR3: 000000008bde4000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fuse_dev_write+0x158/0x1f0 fs/fuse/dev.c:2003
 call_write_iter include/linux/fs.h:1863 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x613/0x8e0 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 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+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
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:00007f60ae9e3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39
RDX: 0000000000000030 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60ae9e46d4
R13: 00000000004c6cfa R14: 00000000004dc428 R15: 00000000ffffffff
Modules linked in:
kobject: '0:51' (0000000045fb6b72): kobject_uevent_env
---[ end trace 20c11941465d7349 ]---
kobject: '0:51' (0000000045fb6b72): fill_kobj_path: path = '/devices/virtual/bdi/0:51'
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+0x18f7/0x2540 fs/fuse/dev.c:1919
kobject: '0:51' (0000000045fb6b72): kobject_cleanup, parent           (null)
Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 45 09 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 07
kobject: '0:51' (0000000045fb6b72): calling ktype release
RSP: 0018:ffff888047a079a8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90014618000
kobject: 'loop4' (0000000051db8142): kobject_uevent_env
RDX: 0000000000000000 RSI: ffffffff824d084b RDI: 0000000000000004
kobject: 'loop4' (0000000051db8142): fill_kobj_path: path = '/devices/virtual/block/loop4'
RBP: ffff888047a07b98 R08: ffff888057f7e140 R09: ffffed100ae01e83
kobject: '0:51': free name
R10: ffffed100ae01e82 R11: ffff88805700f413 R12: 0000000000000000
kobject: 'loop5' (000000000cf9f9a8): kobject_uevent_env
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88805700f3f0
kobject: 'loop5' (000000000cf9f9a8): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: '0:51' (00000000a6b283f6): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'loop0' (00000000530c7cc3): kobject_uevent_env
FS:  00007f60ae9e4700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
kobject: 'loop0' (00000000530c7cc3): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: '0:51' (00000000a6b283f6): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000018ca978 CR3: 000000008bde4000 CR4: 00000000001406f0
kobject: 'loop3' (00000000f1e69cdf): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: '0:51' (00000000a6b283f6): fill_kobj_path: path = '/devices/virtual/bdi/0:51'
kobject: 'loop3' (00000000f1e69cdf): fill_kobj_path: path = '/devices/virtual/block/loop3'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop4' (0000000051db8142): kobject_uevent_env