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
Modules linked in:
CPU: 1 PID: 16790 Comm: syz-executor.0 Not tainted 4.9.194+ #0
task: 0000000025d00e5f task.stack: 0000000000f4e141
RIP: 0010:[<ffffffff81ae5d7a>]  [<000000008845f6ec>] bdev_get_queue include/linux/blkdev.h:847 [inline]
RIP: 0010:[<ffffffff81ae5d7a>]  [<000000008845f6ec>] blk_get_backing_dev_info+0x4a/0x70 block/blk-core.c:118
RSP: 0018:ffff8801a5887820  EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff10034b10f35
RDX: 00000000000000a6 RSI: ffffffff81ae5d3d RDI: 0000000000000530
RBP: ffff8801a5887828 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffffea0006a8e300
R13: ffff8801da010f08 R14: ffff8801da010d10 R15: ffffffff833f1db8
FS:  00000000017b4940(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000075c000 CR3: 00000001a4cd8000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801da49a200 ffff8801a5887868 ffffffff8143e202 ffff8801da010f08
 ffff8801da010f08 ffffea0006a8e300 ffffea0006a8e320 ffff8801da010f08
 000fffffffefffff ffff8801a5887898 ffffffff8144a790 dffffc0000000000
Call Trace:
 [<00000000b63f32f6>] inode_to_bdi include/linux/backing-dev.h:186 [inline]
 [<00000000b63f32f6>] mapping_cap_account_dirty include/linux/backing-dev.h:234 [inline]
 [<00000000b63f32f6>] cancel_dirty_page+0x1a2/0x3d0 mm/page-writeback.c:2609
 [<0000000077073463>] truncate_complete_page mm/truncate.c:126 [inline]
 [<0000000077073463>] truncate_inode_page+0x130/0x260 mm/truncate.c:167
 [<00000000da92f1b2>] truncate_inode_pages_range+0x20e/0xfe0 mm/truncate.c:291
 [<000000006eb9946a>] truncate_inode_pages mm/truncate.c:401 [inline]
 [<000000006eb9946a>] truncate_inode_pages_final+0x81/0xc0 mm/truncate.c:452
 [<00000000d94cb9d1>] bdev_evict_inode+0x21/0x190 fs/block_dev.c:639
 [<000000004a713ed7>] evict+0x2e9/0x630 fs/inode.c:553
 [<00000000c7ad733c>] iput_final fs/inode.c:1516 [inline]
 [<00000000c7ad733c>] iput fs/inode.c:1543 [inline]
 [<00000000c7ad733c>] iput+0x370/0x900 fs/inode.c:1528
 [<00000000f1d22655>] bdput fs/block_dev.c:775 [inline]
 [<00000000f1d22655>] bd_forget+0xf0/0x1a0 fs/block_dev.c:826
 [<00000000632900df>] evict+0x485/0x630 fs/inode.c:559
 [<00000000c7ad733c>] iput_final fs/inode.c:1516 [inline]
 [<00000000c7ad733c>] iput fs/inode.c:1543 [inline]
 [<00000000c7ad733c>] iput+0x370/0x900 fs/inode.c:1528
 [<00000000b63c06c8>] dentry_unlink_inode+0x277/0x330 fs/dcache.c:369
 [<00000000a174fe3f>] __dentry_kill+0x333/0x580 fs/dcache.c:571
 [<00000000c4f87e87>] dentry_kill fs/dcache.c:612 [inline]
 [<00000000c4f87e87>] dput.part.0+0x5d9/0x7c0 fs/dcache.c:829
 [<000000003b7435ff>] dput fs/dcache.c:791 [inline]
 [<000000003b7435ff>] do_one_tree+0x44/0x50 fs/dcache.c:1483
 [<000000009262b0ab>] shrink_dcache_for_umount+0x67/0x160 fs/dcache.c:1497
 [<00000000a2e66aca>] generic_shutdown_super+0x6d/0x300 fs/super.c:432
 [<000000008fa5dc85>] kill_anon_super+0x3f/0x60 fs/super.c:978
 [<00000000476e491b>] fuse_kill_sb_anon+0x42/0x50 fs/fuse/inode.c:1223
 [<000000000ccba872>] deactivate_locked_super+0x79/0xe0 fs/super.c:320
 [<00000000f776a882>] deactivate_super fs/super.c:351 [inline]
 [<00000000f776a882>] deactivate_super+0x8a/0xb0 fs/super.c:347
 [<00000000ad604d4d>] cleanup_mnt+0xb2/0x160 fs/namespace.c:1143
 [<00000000fdcaa8af>] __cleanup_mnt+0x16/0x20 fs/namespace.c:1150
 [<0000000043f56f43>] task_work_run+0x108/0x180 kernel/task_work.c:116
 [<00000000bbdd8a44>] tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 [<00000000bbdd8a44>] exit_to_usermode_loop+0x13b/0x160 arch/x86/entry/common.c:163
 [<00000000a5a6d302>] prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 [<00000000a5a6d302>] syscall_return_slowpath arch/x86/entry/common.c:266 [inline]
 [<00000000a5a6d302>] do_syscall_64+0x3ab/0x5c0 arch/x86/entry/common.c:293
 [<00000000938aca41>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 89 fa 48 c1 ea 03 80 3c 02 00 75 35 48 8b 9b e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 17 48 8b 83 30 05 00 00 5b 5d 48 05 20 02 00 00 
RIP  [<000000008845f6ec>] bdev_get_queue include/linux/blkdev.h:847 [inline]
RIP  [<000000008845f6ec>] blk_get_backing_dev_info+0x4a/0x70 block/blk-core.c:118
 RSP <ffff8801a5887820>
---[ end trace 953066a9601566e8 ]---
ip6_tunnel: o
 xmit: Local address not yet configured!