SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12063 sclass=netlink_route_socket pig=16014 comm=syz-executor0
audit: type=1400 audit(2000000070.540:74): avc:  denied  { map } for  pid=16026 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
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 NOPTI
Modules linked in:
CPU: 0 PID: 16016 Comm: syz-executor3 Not tainted 4.14.91+ #1
task: ffff8881c299af00 task.stack: ffff8881c01e0000
RIP: 0010:bdev_get_queue include/linux/blkdev.h:1015 [inline]
RIP: 0010:bdev_logical_block_size include/linux/blkdev.h:1451 [inline]
RIP: 0010:bd_set_size+0x58/0x320 fs/block_dev.c:1396
RSP: 0018:ffff8881c01e79b0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000016bc6
RDX: 00000000000000a7 RSI: ffffc900033c0000 RDI: 0000000000000538
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffffaa0c3841
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88818fca9cc0
R13: ffff88818fca9cc0 R14: ffff8881c3ff6548 R15: ffff8881c3ff6728
FS:  00007fc36d992700(0000) GS:ffff8881d7600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000291b118 CR3: 00000001c65f0003 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 loop_clr_fd+0x464/0xac0 drivers/block/loop.c:1057
 __lo_release drivers/block/loop.c:1618 [inline]
 lo_release+0xff/0x190 drivers/block/loop.c:1636
 __blkdev_put+0x518/0x6d0 fs/block_dev.c:1783
 blkdev_close+0x86/0xb0 fs/block_dev.c:1855
 __fput+0x25e/0x700 fs/file_table.c:210
 task_work_run+0x118/0x190 kernel/task_work.c:113
 get_signal+0x11b8/0x14b0 kernel/signal.c:2178
 do_signal+0x96/0x15c0 arch/x86/kernel/signal.c:809
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12063 sclass=netlink_route_socket pig=15993 comm=syz-executor0
 exit_to_usermode_loop+0x11d/0x160 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x372/0x4b0 arch/x86/entry/common.c:294
Code: 03 80 3c 02 00 0f 85 a4 02 00 00 49 8b 9c 24 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 38 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 70 02 00 00 4d 8d 6c 24 08 48 8b 9b 38 05 00 
RIP: bdev_get_queue include/linux/blkdev.h:1015 [inline] RSP: ffff8881c01e79b0
RIP: bdev_logical_block_size include/linux/blkdev.h:1451 [inline] RSP: ffff8881c01e79b0
RIP: bd_set_size+0x58/0x320 fs/block_dev.c:1396 RSP: ffff8881c01e79b0
---[ end trace 483d25d86b4aacfb ]---