input: syz1 as /devices/virtual/input/input1426
audit: type=1400 audit(2000000923.406:108): avc:  denied  { map } for  pid=10219 comm="syz-executor2" path="/syzcgroup/cpu/syz2/bus" dev="sda1" ino=16665 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10234 at fs/ext4/inode.c:3898 ext4_set_page_dirty+0xfe/0x160 fs/ext4/inode.c:3898
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 10234 Comm: syz-executor2 Not tainted 4.14.76+ #19
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x11b lib/dump_stack.c:53
 panic+0x1bf/0x3a4 kernel/panic.c:181
 __warn.cold.7+0x148/0x185 kernel/panic.c:542
 report_bug+0x1f7/0x26c lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 do_error_trap+0x1ba/0x2c0 arch/x86/kernel/traps.c:295
 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:944
RIP: 0010:ext4_set_page_dirty+0xfe/0x160 fs/ext4/inode.c:3898
RSP: 0018:ffff880195b9f5c0 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffffea0005c7a7c0 RCX: 0000000000010c0d
RDX: ffffffff8173a09e RSI: ffffc90002b1c000 RDI: ffffea0005c7a7c0
RBP: ffffea0005c7a7c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0005c7a7e0
R13: ffffea0005c7a7a0 R14: ffffea0005c7a7a0 R15: ffff8801c7a8b740
 set_page_dirty+0x15b/0x2c0 mm/page-writeback.c:2566
 set_page_dirty_lock+0x61/0xa0 mm/page-writeback.c:2591
 dio_bio_complete+0x3bd/0x510 fs/direct-io.c:538
 dio_await_completion fs/direct-io.c:559 [inline]
 do_blockdev_direct_IO fs/direct-io.c:1370 [inline]
 __blockdev_direct_IO+0x758b/0xc4e0 fs/direct-io.c:1399
 ext4_direct_IO_read fs/ext4/inode.c:3802 [inline]
 ext4_direct_IO+0xbb8/0x27f0 fs/ext4/inode.c:3861
 generic_file_read_iter+0x23e/0x1ab0 mm/filemap.c:2242
 ext4_file_read_iter+0x114/0x160 fs/ext4/file.c:75
 call_read_iter include/linux/fs.h:1776 [inline]
 new_sync_read fs/read_write.c:401 [inline]
 __vfs_read+0x414/0x5b0 fs/read_write.c:413
 vfs_read+0x11e/0x330 fs/read_write.c:447
 SYSC_pread64 fs/read_write.c:615 [inline]
 SyS_pread64+0x136/0x160 fs/read_write.c:602
 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457569
RSP: 002b:00007f1d11a66c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000011
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457569
RDX: 00000000fffffd80 RSI: 0000000020002000 RDI: 0000000000000008
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d11a676d4
R13: 00000000004c3080 R14: 00000000004d4a28 R15: 00000000ffffffff
Kernel Offset: 0x5200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..