audit: type=1400 audit(1556290672.556:36): avc: denied { map } for pid=7813 comm="syz-executor369" path="/root/syz-executor369148577" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 IPVS: ftp: loaded support on port[0] = 21 WARNING: CPU: 1 PID: 7819 at fs/attr.c:234 notify_change+0xca2/0xfb0 fs/attr.c:234 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7819 Comm: syz-executor369 Not tainted 4.19.36 #4 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x263/0x51d kernel/panic.c:185 __warn.cold+0x20/0x54 kernel/panic.c:540 report_bug+0x263/0x2b0 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+0x204/0x360 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:997 RIP: 0010:notify_change+0xca2/0xfb0 fs/attr.c:234 Code: 04 e8 09 00 e8 1f 5a b9 ff 4c 8b 7c 24 20 4c 89 ff e8 62 dc 42 01 89 de 4c 89 ff e8 48 f8 42 01 e9 33 fa ff ff e8 fe 59 b9 ff <0f> 0b e9 42 f4 ff ff e8 f2 59 b9 ff 44 89 f3 4c 89 ea 48 b8 00 00 RSP: 0018:ffff888095c274d0 EFLAGS: 00010293 RAX: ffff88808d594240 RBX: 0000000000004200 RCX: ffffffff81b1df52 RDX: 0000000000000000 RSI: ffffffff81b1eb12 RDI: 0000000000000007 RBP: ffff888095c27520 R08: ffff88808d594240 R09: ffffed10148e658e R10: ffffed10148e658d R11: ffff8880a4732c6f R12: ffff888095c27570 R13: ffff8880a4732b90 R14: 0000000000000000 R15: ffff888095c27600 __remove_privs fs/inode.c:1806 [inline] file_remove_privs+0x2a9/0x480 fs/inode.c:1828 __generic_file_write_iter+0x15e/0x630 mm/filemap.c:3210 blkdev_write_iter fs/block_dev.c:1924 [inline] blkdev_write_iter+0x233/0x440 fs/block_dev.c:1901 call_write_iter include/linux/fs.h:1811 [inline] do_iter_readv_writev+0x55d/0x830 fs/read_write.c:680 do_iter_write fs/read_write.c:959 [inline] do_iter_write+0x184/0x600 fs/read_write.c:940 vfs_iter_write+0x77/0xb0 fs/read_write.c:972 iter_file_splice_write+0x667/0xbe0 fs/splice.c:750 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x126/0x1a0 fs/splice.c:1019 splice_direct_to_actor+0x2ea/0x890 fs/splice.c:974 do_splice_direct+0x1da/0x2a0 fs/splice.c:1062 do_sendfile+0x597/0xce0 fs/read_write.c:1446 __do_sys_sendfile64 fs/read_write.c:1507 [inline] __se_sys_sendfile64 fs/read_write.c:1493 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1493 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44a1c9 Code: e8 4c bc 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0b d3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ff43ef2bce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00000000006dbc58 RCX: 000000000044a1c9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00000000006dbc50 R08: 0000000000000000 R09: 0000000000000000 R10: 0020000102000007 R11: 0000000000000246 R12: 00000000006dbc5c R13: 00007fff418b577f R14: 00007ff43ef2c9c0 R15: 000000000000002d Kernel Offset: disabled Rebooting in 86400 seconds..