audit: type=1400 audit(2000000883.946:5126): avc:  denied  { create } for  pid=30865 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(2000000883.946:5127): avc:  denied  { write } for  pid=30865 comm="syz-executor.5" path="socket:[228199]" dev="sockfs" ino=228199 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(2000000883.946:5128): avc:  denied  { write } for  pid=30865 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
------------[ cut here ]------------
WARNING: CPU: 1 PID: 30868 at fs/attr.c:211 notify_change2+0xae2/0xd90 fs/attr.c:211
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 30868 Comm: syz-executor.5 Not tainted 4.9.172+ #50
 ffff880173cff430 ffffffff81b4fc11 0000000000000000 ffffffff82a39c20
 00000000ffffffff 0000000000000001 0000000000000009 ffff880173cff510
 ffffffff813f970a 0000000041b58ab3 ffffffff82e2f182 ffffffff813f9531
Call Trace:
 [<00000000d987e324>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000d987e324>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000dadbd3e7>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<000000002c28c3dc>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<00000000823461ea>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<000000000875ffee>] notify_change2+0xae2/0xd90 fs/attr.c:211
 [<0000000006a71809>] __remove_privs fs/inode.c:1793 [inline]
 [<0000000006a71809>] file_remove_privs+0x285/0x4b0 fs/inode.c:1815
 [<00000000a220b53d>] __generic_file_write_iter+0x157/0x530 mm/filemap.c:3010
 [<00000000c5aa4169>] blkdev_write_iter fs/block_dev.c:1726 [inline]
 [<00000000c5aa4169>] blkdev_write_iter+0x1bb/0x370 fs/block_dev.c:1706
 [<0000000010c2c2c9>] vfs_iter_write+0x2e2/0x580 fs/read_write.c:390
 [<00000000480654b5>] iter_file_splice_write+0x5a9/0xb10 fs/splice.c:768
 [<00000000c6f30d0d>] do_splice_from fs/splice.c:870 [inline]
 [<00000000c6f30d0d>] direct_splice_actor+0x126/0x1a0 fs/splice.c:1037
 [<00000000554b8581>] splice_direct_to_actor+0x2c8/0x820 fs/splice.c:992
 [<00000000c55cf874>] do_splice_direct+0x1a5/0x260 fs/splice.c:1080
 [<00000000d6953eb9>] do_sendfile+0x503/0xc00 fs/read_write.c:1401
 [<00000000f9aad7fc>] SYSC_sendfile64 fs/read_write.c:1462 [inline]
 [<00000000f9aad7fc>] SyS_sendfile64+0x145/0x160 fs/read_write.c:1448
 [<00000000527b59fc>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<0000000028d9da91>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..