On Sun, Jan 03, 2021 at 05:28:04PM +0800, Su Yue wrote: > while mounting the poc image user-provided, kernel panics due to the > invalid chunk item whose end is less than start. > ======================================================================== > [ 66.387422] loop: module loaded > [ 66.389773] loop0: detected capacity change from 262144 to 0 > [ 66.427708] BTRFS: device fsid a62e00e8-e94e-4200-8217-12444de93c2e devid > 1 transid 12 /dev/loop0 scanned by mount (613) > [ 66.431061] BTRFS info (device loop0): disk space caching is enabled > [ 66.431078] BTRFS info (device loop0): has skinny extents > [ 66.437101] BTRFS error: insert state: end < start 29360127 37748736 > [ 66.437136] ------------[ cut here ]------------ > [ 66.437140] WARNING: CPU: 16 PID: 613 at fs/btrfs/extent_io.c:557 > insert_state.cold+0x1a/0x46 [btrfs] > [ 66.437193] Modules linked in: loop btrfs(O) blake2b_generic xor > zstd_compress nls_iso8859_1 nls_cp437 vfat fat raid6_pq joydev mousedev > crct10dif_pclmul psmouse crc32_pclmul crc32c_intel ghash_clmulni_intel > aesni_intel glue_helper crypto_simd cryptd pcspkr rtc_cmos evdev intel_agp > intel_gtt qemu_fw_cfg drm agpgart ip_tables x_tables xfs virtio_balloon > virtio_console virtio_net net_failover failover dm_mod sd_mod hid_generic > usbhid hid uhci_hcd serio_raw atkbd libps2 ahci libahci ehci_pci ehci_hcd > libata usbcore scsi_mod virtio_pci virtio_ring usb_common virtio i8042 serio
The Modules line > [ 66.437369] CPU: 16 PID: 613 Comm: mount Tainted: G O > 5.11.0-rc1-custom #45 > [ 66.437374] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS > ArchLinux 1.14.0-1 04/01/2014 > [ 66.437378] RIP: 0010:insert_state.cold+0x1a/0x46 [btrfs] > [ 66.437416] Code: 39 01 00 00 48 c7 c7 85 38 9e c0 e8 3c fd ff ff 48 8b 7f > 08 48 89 d1 48 89 da 4c 89 45 d0 48 c7 c6 20 b0 9e c0 e8 49 97 ff ff <0f> 0b > 4c 8b 45 d0 e9 ff 28 f7 ff 49 8b 7d 08 49 89 d9 4d 89 f8 41 and Code: are usually quite long and not necessary for understanding the report, so please leave them out in future reports. Thanks.
