Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. executing program [ 55.606984][ T6843] ------------[ cut here ]------------ [ 55.613078][ T6843] WARNING: CPU: 0 PID: 6843 at fs/overlayfs/file.c:81 ovl_real_fdget_meta+0x49c/0x530 [ 55.623562][ T6843] Kernel panic - not syncing: panic_on_warn set ... [ 55.630142][ T6843] CPU: 0 PID: 6843 Comm: syz-executor401 Not tainted 5.9.0-rc1-next-20200818-syzkaller #0 [ 55.640040][ T6843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.650082][ T6843] Call Trace: [ 55.653376][ T6843] dump_stack+0x18f/0x20d [ 55.657709][ T6843] panic+0x2e3/0x75c [ 55.661583][ T6843] ? __warn_printk+0xf3/0xf3 [ 55.666161][ T6843] ? printk+0xba/0xed [ 55.670156][ T6843] ? log_store.cold+0x16/0x16 [ 55.674811][ T6843] ? __warn.cold+0x5/0x4a [ 55.679118][ T6843] ? __warn+0xd6/0x1f2 [ 55.683176][ T6843] ? ovl_real_fdget_meta+0x49c/0x530 [ 55.688440][ T6843] __warn.cold+0x20/0x4a [ 55.692667][ T6843] ? ovl_real_fdget_meta+0x49c/0x530 [ 55.697931][ T6843] report_bug+0x1bd/0x210 [ 55.702260][ T6843] handle_bug+0x38/0x90 [ 55.706400][ T6843] exc_invalid_op+0x14/0x40 [ 55.710884][ T6843] asm_exc_invalid_op+0x12/0x20 [ 55.715716][ T6843] RIP: 0010:ovl_real_fdget_meta+0x49c/0x530 [ 55.721603][ T6843] Code: ff 4c 89 ff e8 95 da 29 ff e9 ff fc ff ff e8 8b da 29 ff e9 c5 fc ff ff 4c 89 f7 e8 ee da 29 ff e9 5d fd ff ff e8 b4 be e9 fe <0f> 0b 41 bd fb ff ff ff e9 fd fc ff ff e8 72 da 29 ff e9 84 fb ff [ 55.741375][ T6843] RSP: 0018:ffffc900051ffa78 EFLAGS: 00010293 [ 55.747437][ T6843] RAX: 0000000000000000 RBX: 0000000000002000 RCX: ffffffff828a9579 [ 55.755395][ T6843] RDX: ffff88809f2ac3c0 RSI: ffffffff828a97ac RDI: 0000000000000005 [ 55.763357][ T6843] RBP: 0000000004048000 R08: 0000000000000000 R09: ffff88809f2acca8 [ 55.771314][ T6843] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880989b4a80 [ 55.779274][ T6843] R13: ffff8880854cd478 R14: 000000000000a000 R15: ffff8880989b4b00 [ 55.787249][ T6843] ? ovl_real_fdget_meta+0x269/0x530 [ 55.792531][ T6843] ? ovl_real_fdget_meta+0x49c/0x530 [ 55.797809][ T6843] ? ovl_real_fdget_meta+0x49c/0x530 [ 55.803076][ T6843] ovl_splice_read+0x83/0x1f0 [ 55.807744][ T6843] ? ovl_mmap+0x2f0/0x2f0 [ 55.812064][ T6843] ? security_file_permission+0x248/0x560 [ 55.817791][ T6843] ? ovl_mmap+0x2f0/0x2f0 [ 55.822119][ T6843] do_splice_to+0x10b/0x170 [ 55.826630][ T6843] splice_direct_to_actor+0x307/0x980 [ 55.831998][ T6843] ? generic_splice_sendpage+0x140/0x140 [ 55.837630][ T6843] ? do_splice_to+0x170/0x170 [ 55.842294][ T6843] ? security_file_permission+0x248/0x560 [ 55.848010][ T6843] do_splice_direct+0x1b3/0x280 [ 55.852843][ T6843] ? splice_direct_to_actor+0x980/0x980 [ 55.858378][ T6843] ? __sb_start_write+0x1d5/0x470 [ 55.863494][ T6843] do_sendfile+0x55f/0xd40 [ 55.867897][ T6843] ? do_compat_pwritev64+0x1b0/0x1b0 [ 55.873175][ T6843] ? do_fcntl+0xa3/0x1070 [ 55.877485][ T6843] ? f_setown+0x230/0x230 [ 55.881806][ T6843] __x64_sys_sendfile64+0x1cc/0x210 [ 55.886989][ T6843] ? __ia32_sys_sendfile+0x220/0x220 [ 55.892258][ T6843] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 55.898217][ T6843] ? trace_hardirqs_on+0x5f/0x220 [ 55.903222][ T6843] ? lockdep_hardirqs_on+0x76/0xf0 [ 55.908324][ T6843] do_syscall_64+0x2d/0x70 [ 55.912731][ T6843] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.918600][ T6843] RIP: 0033:0x4403d9 [ 55.922476][ T6843] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.942070][ T6843] RSP: 002b:00007ffe42b8c948 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 55.950472][ T6843] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403d9 [ 55.958433][ T6843] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 [ 55.966395][ T6843] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 55.974359][ T6843] R10: 000000000000bd96 R11: 0000000000000246 R12: 0000000000401be0 [ 55.982315][ T6843] R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000 [ 55.991373][ T6843] Kernel Offset: disabled [ 55.995768][ T6843] Rebooting in 86400 seconds..