WARNING: CPU: 1 PID: 20372 at fs/attr.c:234 notify_change+0xca2/0xfb0 fs/attr.c:234 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 20372 Comm: syz-executor.0 Not tainted 5.1.0-rc3+ #48 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+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:notify_change+0xca2/0xfb0 fs/attr.c:234 Code: 14 52 0a 00 e8 ff ab b7 ff 4c 8b 7c 24 20 4c 89 ff e8 b2 87 4a 01 89 de 4c 89 ff e8 98 a3 4a 01 e9 33 fa ff ff e8 de ab b7 ff <0f> 0b e9 42 f4 ff ff e8 d2 ab b7 ff 44 89 f3 4c 89 ea 48 b8 00 00 RSP: 0018:ffff8880644879a0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000004200 RCX: ffffc90005e67000 RDX: 00000000000003d8 RSI: ffffffff81b8e5e2 RDI: 0000000000000007 RBP: ffff8880644879f0 R08: ffff888060a964c0 R09: ffffed1014707584 R10: ffffed1014707583 R11: ffff8880a383ac1f R12: ffff888064487a40 R13: ffff8880a383ab40 R14: 0000000000000000 R15: ffff888064487ad0 __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:3374 blkdev_write_iter fs/block_dev.c:1966 [inline] blkdev_write_iter+0x23a/0x440 fs/block_dev.c:1943 call_write_iter include/linux/fs.h:1863 [inline] new_sync_write+0x4c7/0x760 fs/read_write.c:474 __vfs_write+0xe4/0x110 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_pwrite64+0x183/0x1c0 fs/read_write.c:652 __do_sys_pwrite64 fs/read_write.c:662 [inline] __se_sys_pwrite64 fs/read_write.c:659 [inline] __x64_sys_pwrite64+0x97/0xf0 fs/read_write.c:659 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582b9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fde3fc01c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000004582b9 RDX: 0000000000000073 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fde3fc026d4 R13: 00000000004c4e81 R14: 00000000004d8c60 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..