kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
NFS: bad mount option value specified: vfat
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 25000 Comm: syz-executor4 Not tainted 5.0.0-rc2+ #30
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
RSP: 0018:ffff8880a46ff6d8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90010476000
RDX: 0000000000000000 RSI: ffffffff828b9c3c RDI: 0000000000000004
RBP: ffff8880a46ffaa8 R08: ffff888093bd42c0 R09: ffffed101150e97f
R10: ffffed101150e97e R11: ffff88808a874bf3 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88808a874bd0
FS:  00007ff79c333700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000a9189000 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:00007ff79c332c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099
RDX: 0000000000000030 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff79c3336d4
R13: 00000000004c6efc R14: 00000000004dc520 R15: 00000000ffffffff
Modules linked in:
kobject: 'gre0' (00000000d8d45d32): kobject_cleanup, parent           (null)
kobject: 'gre0' (00000000d8d45d32): auto cleanup 'remove' event
kobject: 'loop5' (0000000042de3d20): kobject_uevent_env
kobject: 'loop5' (0000000042de3d20): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: '0:45' (000000004de1ddae): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'gre0' (00000000d8d45d32): kobject_uevent_env
kobject: 'gre0' (00000000d8d45d32): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop0' (000000001e252758): kobject_uevent_env
kobject: '0:45' (000000004de1ddae): kobject_uevent_env
kobject: 'loop0' (000000001e252758): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: '0:45' (000000004de1ddae): fill_kobj_path: path = '/devices/virtual/bdi/0:45'
kobject: 'gre0' (00000000d8d45d32): calling ktype release
NFS: bad mount option value specified: vfat
kobject: 'gre0': free name
kobject: 'loop3' (000000006f8498a6): kobject_uevent_env
kobject: 'loop3' (000000006f8498a6): fill_kobj_path: path = '/devices/virtual/block/loop3'
---[ end trace 61da75becfc0e819 ]---
kobject: '0:46' (00000000543956a0): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'rx-0' (0000000002c19e27): kobject_cleanup, parent 000000006039c73c
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: '0:46' (00000000543956a0): kobject_uevent_env
kobject: '0:46' (00000000543956a0): fill_kobj_path: path = '/devices/virtual/bdi/0:46'
kobject: 'loop5' (0000000042de3d20): kobject_uevent_env
kobject: 'rx-0' (0000000002c19e27): auto cleanup 'remove' event
kobject: 'loop5' (0000000042de3d20): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: '0:47' (00000000d7ba66c4): kobject_add_internal: parent: 'bdi', set: 'devices'
kobject: 'rx-0' (0000000002c19e27): kobject_uevent_env
kobject: '0:46' (00000000543956a0): kobject_uevent_env
kobject: 'loop0' (000000001e252758): kobject_uevent_env
kobject: '0:46' (00000000543956a0): fill_kobj_path: path = '/devices/virtual/bdi/0:46'
kobject: 'rx-0' (0000000002c19e27): kobject_uevent_env: uevent_suppress caused the event to drop!
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: 'loop0' (000000001e252758): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: '0:46' (00000000543956a0): kobject_cleanup, parent           (null)
kobject: 'rx-0' (0000000002c19e27): auto cleanup kobject_del
kobject: '0:46' (00000000543956a0): calling ktype release
kobject: '0:46': free name
kobject: 'rx-0' (0000000002c19e27): calling ktype release
kobject: '0:47' (00000000d7ba66c4): kobject_uevent_env
kobject: 'rx-0': free name
kobject: 'tx-0' (000000009a36017d): kobject_cleanup, parent 000000006039c73c
kobject: '0:47' (00000000d7ba66c4): fill_kobj_path: path = '/devices/virtual/bdi/0:47'
kobject: 'tx-0' (000000009a36017d): auto cleanup 'remove' event
kobject: 'tx-0' (000000009a36017d): kobject_uevent_env
kobject: 'tx-0' (000000009a36017d): kobject_uevent_env: uevent_suppress caused the event to drop!
RSP: 0018:ffff8880a46ff6d8 EFLAGS: 00010247
kobject: 'tx-0' (000000009a36017d): auto cleanup kobject_del
kobject: '0:47' (00000000d7ba66c4): kobject_uevent_env
kobject: 'tx-0' (000000009a36017d): calling ktype release
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90010476000
kobject: 'tx-0': free name
kobject: '0:45' (000000004de1ddae): kobject_uevent_env
kobject: 'queues' (000000006039c73c): kobject_cleanup, parent           (null)
kobject: '0:45' (000000004de1ddae): fill_kobj_path: path = '/devices/virtual/bdi/0:45'
kobject: 'queues' (000000006039c73c): calling ktype release
kobject: '0:47' (00000000d7ba66c4): fill_kobj_path: path = '/devices/virtual/bdi/0:47'
kobject: 'queues' (000000006039c73c): kset_release
kobject: '0:45' (000000004de1ddae): kobject_cleanup, parent           (null)
RDX: 0000000000000000 RSI: ffffffff828b9c3c RDI: 0000000000000004
kobject: 'queues': free name
kobject: '0:45' (000000004de1ddae): calling ktype release
kobject: 'tunl0' (00000000494f6c25): kobject_uevent_env
kobject: '0:47' (00000000d7ba66c4): kobject_cleanup, parent           (null)
kobject: 'tunl0' (00000000494f6c25): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: '0:47' (00000000d7ba66c4): calling ktype release
RBP: ffff8880a46ffaa8 R08: ffff888093bd42c0 R09: ffffed101150e97f
kobject: '0:45': free name
R10: ffffed101150e97e R11: ffff88808a874bf3 R12: 0000000000000000
kobject: 'tunl0' (00000000494f6c25): kobject_cleanup, parent           (null)
kobject: 'loop2' (0000000089cc0a4e): kobject_uevent_env
kobject: 'tunl0' (00000000494f6c25): auto cleanup 'remove' event
kobject: 'loop2' (0000000089cc0a4e): fill_kobj_path: path = '/devices/virtual/block/loop2'
R13: 0000000000000000 R14: 0000000000000030 R15: ffff88808a874bd0
kobject: 'tunl0' (00000000494f6c25): kobject_uevent_env
kobject: 'loop3' (000000006f8498a6): kobject_uevent_env
kobject: 'loop3' (000000006f8498a6): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: '0:47': free name
kobject: 'tunl0' (00000000494f6c25): kobject_uevent_env: uevent_suppress caused the event to drop!
FS:  00007ff79c333700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
kobject: 'tunl0' (00000000494f6c25): calling ktype release
kobject: 'loop1' (00000000b1f10200): kobject_uevent_env
kobject: 'tunl0': free name
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'mesh' (0000000005b58f2c): kobject_uevent_env
kobject: 'loop1' (00000000b1f10200): fill_kobj_path: path = '/devices/virtual/block/loop1'
CR2: 000000000206a7d0 CR3: 00000000a9189000 CR4: 00000000001406e0
kobject: 'mesh' (0000000005b58f2c): kobject_uevent_env: filter function caused the event to drop!
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
device bridge_slave_1 left promiscuous mode
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
bridge0: port 2(bridge_slave_1) entered disabled state