audit: type=1400 audit(1597477114.725:8): avc:  denied  { execmem } for  pid=6471 comm="syz-executor238" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6471 at fs/overlayfs/file.c:60 ovl_change_flags fs/overlayfs/file.c:60 [inline]
WARNING: CPU: 1 PID: 6471 at fs/overlayfs/file.c:60 ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:111
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6471 Comm: syz-executor238 Not tainted 4.19.139-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ovl_change_flags fs/overlayfs/file.c:60 [inline]
RIP: 0010:ovl_real_fdget_meta.cold+0x11/0x1e fs/overlayfs/file.c:111
Code: e9 f0 fd ff ff e8 ca 3d 42 ff e9 32 fe ff ff e8 c0 3d 42 ff e9 4b fe ff ff e8 06 1f 0c ff 48 c7 c7 a0 fc b4 87 e8 69 2c f7 fe <0f> 0b 41 bd fb ff ff ff e9 7f c8 ff ff e8 e8 1e 0c ff 48 c7 c7 a0
RSP: 0018:ffff888085b1f460 EFLAGS: 00010282
RAX: 0000000000000024 RBX: 0000000000002000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8154cf41 RDI: ffffed1010b63e7e
RBP: 0000000004048000 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808e1cc080
R13: 000000000000a000 R14: ffff88808e1cc0f8 R15: ffff888082fbf5f0
 ovl_real_fdget fs/overlayfs/file.c:118 [inline]
 ovl_read_iter+0x103/0x315 fs/overlayfs/file.c:243
 call_read_iter include/linux/fs.h:1815 [inline]
 do_iter_readv_writev+0x569/0x790 fs/read_write.c:679
 do_iter_read+0x26f/0x630 fs/read_write.c:923
 vfs_readv+0xe5/0x150 fs/read_write.c:987
 kernel_readv fs/splice.c:362 [inline]
 default_file_splice_read+0x457/0xa00 fs/splice.c:417
 do_splice_to+0x10e/0x160 fs/splice.c:881
 splice_direct_to_actor+0x2b9/0x8d0 fs/splice.c:959
 do_splice_direct+0x1a7/0x270 fs/splice.c:1068
 do_sendfile+0x550/0xc30 fs/read_write.c:1447
 __do_sys_sendfile64 fs/read_write.c:1508 [inline]
 __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4403d9
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd54b85638 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403d9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 000000000000bd96 R11: 0000000000000246 R12: 0000000000401be0
R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..