------------[ cut here ]------------ WARNING: CPU: 0 PID: 16160 at fs/overlayfs/file.c:66 ovl_change_flags fs/overlayfs/file.c:66 [inline] WARNING: CPU: 0 PID: 16160 at fs/overlayfs/file.c:66 ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:117 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 16160 Comm: syz-executor.0 Not tainted 5.7.0-rc5-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:ovl_change_flags fs/overlayfs/file.c:66 [inline] RIP: 0010:ovl_real_fdget_meta+0x49c/0x530 fs/overlayfs/file.c:117 Code: ff 4c 89 ff e8 a5 fc 2d ff e9 ff fc ff ff e8 9b fc 2d ff e9 c5 fc ff ff 4c 89 f7 e8 fe fc 2d ff e9 5d fd ff ff e8 a4 2d f0 fe <0f> 0b 41 bd fb ff ff ff e9 fd fc ff ff e8 82 fc 2d ff e9 84 fb ff RSP: 0018:ffffc90016e07e10 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000000002000 RCX: ffffc90001a99000 RDX: 0000000000000047 RSI: ffffffff828305cc RDI: 0000000000000005 RBP: 0000000004048000 R08: ffff8880a7788000 R09: ffffed10148145aa R10: ffffc90016e07ed8 R11: ffffed10148145a9 R12: ffff88809dc71580 R13: ffff888047007838 R14: 000000000000a000 R15: ffff88809dc71600 ovl_real_fdget fs/overlayfs/file.c:124 [inline] ovl_llseek+0xe5/0x350 fs/overlayfs/file.c:174 vfs_llseek fs/read_write.c:300 [inline] ksys_lseek+0x111/0x1b0 fs/read_write.c:313 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4ef63a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00000000004f53a0 RCX: 000000000045c829 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000071f R14: 00000000004c9eab R15: 00007f4ef63a86d4 Kernel Offset: disabled Rebooting in 86400 seconds..