------------[ cut here ]------------ WARNING: CPU: 0 PID: 8925 at fs/overlayfs/file.c:66 ovl_change_flags fs/overlayfs/file.c:66 [inline] WARNING: CPU: 0 PID: 8925 at fs/overlayfs/file.c:66 ovl_real_fdget_meta+0x597/0x640 fs/overlayfs/file.c:117 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8925 Comm: syz-executor.2 Not tainted 5.7.0-rc7-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+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1ac/0x2d0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] do_error_trap+0xca/0x1c0 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+0x597/0x640 fs/overlayfs/file.c:117 Code: ff df e9 f2 fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 03 fc ff ff 4c 89 e7 e8 73 7a 2a ff e9 f6 fb ff ff e8 89 80 ec fe <0f> 0b 41 bd fb ff ff ff e9 11 fc ff ff 48 8b 4c 24 10 80 e1 07 80 RSP: 0018:ffffc90001717e18 EFLAGS: 00010287 RAX: ffffffff82870467 RBX: 0000000004042000 RCX: 0000000000040000 RDX: ffffc9000dfc4000 RSI: 000000000000002c RDI: 000000000000002d RBP: 000000000000e000 R08: ffffffff828701cb R09: ffffffff8286cb24 R10: ffff88804fdda0c0 R11: 0000000000000002 R12: ffff8880929ab3c0 R13: 0000000000000000 R14: 0000000000002000 R15: 1ffff11012535678 ovl_real_fdget fs/overlayfs/file.c:124 [inline] ovl_llseek+0x7a/0x290 fs/overlayfs/file.c:174 vfs_llseek fs/read_write.c:300 [inline] ksys_lseek fs/read_write.c:313 [inline] __do_sys_lseek fs/read_write.c:324 [inline] __se_sys_lseek fs/read_write.c:322 [inline] __x64_sys_lseek+0x15b/0x1e0 fs/read_write.c:322 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca29 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:00007f4464e28c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00000000004f5600 RCX: 000000000045ca29 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000071f R14: 00000000004ca0ab R15: 00007f4464e296d4 Kernel Offset: disabled Rebooting in 86400 seconds..