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
CPU: 0 PID: 10902 Comm: syz-executor2 Not tainted 5.0.0-rc3 #36
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:ffff888057f176a8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a21d000
RDX: 0000000000000000 RSI: ffffffff828b9dfc RDI: 0000000000000004
RBP: ffff888057f17a78 R08: ffff8880879b62c0 R09: ffffed1012c0ce83
R10: ffffed1012c0ce82 R11: ffff888096067413 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000030 R15: ffff8880960673f0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5d92b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ffe78b90e88 CR3: 000000008e90e000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
kobject: 'loop5' (00000000fe40c8f7): kobject_uevent_env
kobject: 'loop5' (00000000fe40c8f7): fill_kobj_path: path = '/devices/virtual/block/loop5'
 fuse_dev_write+0x191/0x240 fs/fuse/dev.c:2003
kobject: 'loop5' (00000000fe40c8f7): kobject_uevent_env
kobject: 'loop5' (00000000fe40c8f7): fill_kobj_path: path = '/devices/virtual/block/loop5'
 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]
 __ia32_sys_write+0x71/0xb0 fs/read_write.c:607
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x333/0xf98 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f96869
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5d920cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080
RDX: 0000000000000030 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 080770739c4d92f6 ]---
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: '0:54' (000000002fe9c3a3): kobject_add_internal: parent: 'bdi', set: 'devices'
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: '0:54' (000000002fe9c3a3): kobject_uevent_env
RSP: 0018:ffff888057f176a8 EFLAGS: 00010247
kobject: '0:54' (000000002fe9c3a3): fill_kobj_path: path = '/devices/virtual/bdi/0:54'
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000a21d000
RDX: 0000000000000000 RSI: ffffffff828b9dfc RDI: 0000000000000004
RBP: ffff888057f17a78 R08: ffff8880879b62c0 R09: ffffed1012c0ce83
kobject: '0:55' (000000001445f75e): kobject_add_internal: parent: 'bdi', set: 'devices'
R10: ffffed1012c0ce82 R11: ffff888096067413 R12: 0000000000000000
kobject: '0:55' (000000001445f75e): kobject_uevent_env
R13: 0000000000000000 R14: 0000000000000030 R15: ffff8880960673f0
kobject: '0:55' (000000001445f75e): fill_kobj_path: path = '/devices/virtual/bdi/0:55'
FS:  0000000000000000(0000) GS:ffff8880ae700000(0063) knlGS:00000000f5d92b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000031223000 CR3: 000000008e90e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400