WARNING: CPU: 1 PID: 5410 at fs/attr.c:234 notify_change+0xda8/0x1110 fs/attr.c:234 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 5410 Comm: syz-executor919 Not tainted 4.19.0-rc5+ #254 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+0x1c4/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 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:993 RIP: 0010:notify_change+0xda8/0x1110 fs/attr.c:234 Code: 4c 89 ef e8 fa 39 0c 00 e8 f5 01 a8 ff 4c 89 f7 e8 ad fa 81 01 44 89 e6 4c 89 f7 e8 e2 19 82 01 e9 ea f9 ff ff e8 d8 01 a8 ff <0f> 0b e9 c3 f3 ff ff e8 cc 01 a8 ff 48 89 da 41 83 cf 01 48 b8 00 RSP: 0018:ffff8801bb3f73e0 EFLAGS: 00010293 RAX: ffff8801d8854280 RBX: ffff8801d2287100 RCX: ffffffff81d6d604 RDX: 0000000000000000 RSI: ffffffff81d6e248 RDI: 0000000000000007 RBP: ffff8801bb3f74b0 R08: ffff8801d8854280 R09: ffffed003a450e3b R10: ffffed003a450e3b R11: ffff8801d22871df R12: 0000000000004200 R13: ffff8801bb3f74f0 R14: ffff8801d54581e0 R15: 1ffff1003767ee88 __remove_privs fs/inode.c:1806 [inline] file_remove_privs+0x2d5/0x540 fs/inode.c:1828 __generic_file_write_iter+0x169/0x630 mm/filemap.c:3210 blkdev_write_iter+0x23d/0x450 fs/block_dev.c:1916 call_write_iter include/linux/fs.h:1808 [inline] do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680 do_iter_write+0x185/0x5f0 fs/read_write.c:959 vfs_iter_write+0x77/0xb0 fs/read_write.c:972 iter_file_splice_write+0x90d/0x1050 fs/splice.c:750 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x128/0x190 fs/splice.c:1019 splice_direct_to_actor+0x318/0x8f0 fs/splice.c:974 do_splice_direct+0x2d4/0x420 fs/splice.c:1062 do_sendfile+0x62a/0xe20 fs/read_write.c:1440 __do_sys_sendfile64 fs/read_write.c:1495 [inline] __se_sys_sendfile64 fs/read_write.c:1487 [inline] __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1487 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x444ca9 Code: e8 ac e8 ff ff 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 2b ce fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffdad53e6a8 EFLAGS: 00000286 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 0000000000444ca9 RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00000000004002e0 R09: 00000000004002e0 R10: 0000000002000005 R11: 0000000000000286 R12: 00000000000091e4 R13: 0000000000401ff0 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..