:: [DNG] Bug on backport-kernel
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Autor: tito
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Para: dng
Assunto: [DNG] Bug on backport-kernel
Hi,
somebody has an idea what this is about?
I 've looked at _rb_insert_augmented but there was nothing obvious for a self taught free time coder.
Ciao,
Tito

Mar  7 01:00:01 aplysia kernel: [1168943.562359] BUG: kernel NULL pointer dereference, address: 0000000000000008
Mar  7 01:00:01 aplysia kernel: [1168943.562440] #PF: supervisor read access in kernel mode
Mar  7 01:00:01 aplysia kernel: [1168943.562480] #PF: error_code(0x0000) - not-present page
Mar  7 01:00:01 aplysia kernel: [1168943.562519] PGD 0 P4D 0
Mar  7 01:00:01 aplysia kernel: [1168943.562546] Oops: 0000 [#1] SMP PTI
Mar  7 01:00:01 aplysia kernel: [1168943.562576] CPU: 0 PID: 18545 Comm: php Tainted: G           OE     5.10.0-0.bpo.3-amd64 #1 Debian 5.10.13-1~bpo10+1
Mar  7 01:00:01 aplysia kernel: [1168943.562650] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./C2750D4I, BIOS P3.20 03/26/2018
Mar  7 01:00:01 aplysia kernel: [1168943.562722] RIP: 0010:__rb_insert_augmented+0x23/0x1e0
Mar  7 01:00:01 aplysia kernel: [1168943.562762] Code: 06 c3 48 89 41 10 c3 48 8b 07 48 85 c0 0f 84 c2 01 00 00 41 54 49 89 f4 55 53 48 83 ec 08 48 8b 18 f6 c3 01 0f 85 ee 00 00 00 <48> 8b 4b 08 48 89 de 48 39 c1 74 65 48 85 c9 74 09 f6 01 01 0f 84
Mar  7 01:00:01 aplysia kernel: [1168943.562888] RSP: 0018:ffffb6f48b07fd48 EFLAGS: 00010246
Mar  7 01:00:01 aplysia kernel: [1168943.562929] RAX: ffff985c70932378 RBX: 0000000000000000 RCX: 000000000000001c
Mar  7 01:00:01 aplysia kernel: [1168943.562980] RDX: ffffffff8ce311d0 RSI: ffff985c49f6e3f8 RDI: ffff985cf34b08f0
Mar  7 01:00:01 aplysia kernel: [1168943.563031] RBP: ffff985cf34b0898 R08: ffff985c70932378 R09: 0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.563081] R10: ffff985cf34b0898 R11: 0000000000000000 R12: ffff985c49f6e3f8
Mar  7 01:00:01 aplysia kernel: [1168943.563133] R13: ffff985dad9bfb10 R14: ffff985dad9bfaf0 R15: ffff985c49f6e408
Mar  7 01:00:01 aplysia kernel: [1168943.563185] FS:  00007f68bac90980(0000) GS:ffff98639fc00000(0000) knlGS:0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.563242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar  7 01:00:01 aplysia kernel: [1168943.563285] CR2: 0000000000000008 CR3: 00000001b3406000 CR4: 00000000001006f0
Mar  7 01:00:01 aplysia kernel: [1168943.563335] Call Trace:
Mar  7 01:00:01 aplysia kernel: [1168943.563368]  vma_link+0x6c/0xb0
Mar  7 01:00:01 aplysia kernel: [1168943.563400]  mmap_region+0x48d/0x6c0
Mar  7 01:00:01 aplysia kernel: [1168943.563432]  do_mmap+0x373/0x580
Mar  7 01:00:01 aplysia kernel: [1168943.563463]  vm_mmap_pgoff+0xd3/0x120
Mar  7 01:00:01 aplysia kernel: [1168943.563496]  ksys_mmap_pgoff+0x1dd/0x240
Mar  7 01:00:01 aplysia kernel: [1168943.563530]  do_syscall_64+0x33/0x80
Mar  7 01:00:01 aplysia kernel: [1168943.563563]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Mar  7 01:00:01 aplysia kernel: [1168943.563604] RIP: 0033:0x7f68bd9db6f3
Mar  7 01:00:01 aplysia kernel: [1168943.563636] Code: 54 41 89 d4 55 48 89 fd 53 4c 89 cb 48 85 ff 74 4e 49 89 d9 45 89 f8 45 89 f2 44 89 e2 4c 89 ee 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 65 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66 2e 0f
Mar  7 01:00:01 aplysia kernel: [1168943.563763] RSP: 002b:00007fffdbbac298 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
Mar  7 01:00:01 aplysia kernel: [1168943.563819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68bd9db6f3
Mar  7 01:00:01 aplysia kernel: [1168943.563870] RDX: 0000000000000001 RSI: 000000000001c038 RDI: 0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.563921] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.563971] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000001
Mar  7 01:00:01 aplysia kernel: [1168943.565711] R13: 000000000001c038 R14: 0000000000000802 R15: 0000000000000003
Mar  7 01:00:01 aplysia kernel: [1168943.567435] Modules linked in: fuse btrfs blake2b_generic ufs qnx4 hfsplus hfs cdrom minix vfat msdos fat jfs xfs dm_mod nft_limit nft_counter nft_compat nft_chain_nat nf_tables nfnetlink xt_geoip(OE) xt_CT xt_tcpudp
 xt_helper nf_conntrack_ftp nf_log_ipv4 nf_log_common ip6table_raw ip6table_mangle ip6table_nat iptable_nat nf_nat xt_TCPMSS xt_LOG ipt_REJECT nf_reject_ipv4 iptable_raw iptable_mangle xt_multiport xt_state xt_limit xt_conntrack nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 ip6table_filter ip6_tables iptable_filter ip_tables x_tables nct6775 hwmon_vid intel_powerclamp coretemp kvm_intel kvm ipmi_ssif irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel libaes ast drm_vram_helper 
drm_ttm_helper crypto_simd ttm cryptd drm_kms_helper glue_helper cec wdat_wdt drm watchdog intel_cstate acpi_ipmi ipmi_si pcspkr at24 ipmi_devintf joydev evdev ipmi_msghandler button acpi_cpufreq ext4 crc16 mbcache jbd2 raid10 raid0 
multipath linear raid456 async_raid6_recov async_memcpy async_pq
Mar  7 01:00:01 aplysia kernel: [1168943.567542]  async_xor async_tx xor raid6_pq libcrc32c crc32c_generic raid1 hid_generic usbhid hid md_mod sg sd_mod t10_pi crc_t10dif crct10dif_generic ahci libahci ehci_pci libata ehci_hcd igb usbcore lpc_ich scsi_mod crct10dif_pclmul crct10dif_common crc32c_intel i2c_ismt i2c_algo_bit i2c_i801 dca ptp i2c_smbus usb_common pps_core
Mar  7 01:00:01 aplysia kernel: [1168943.588946] CR2: 0000000000000008
Mar  7 01:00:01 aplysia kernel: [1168943.591078] ---[ end trace ec21daf4f07d7cee ]---
Mar  7 01:00:01 aplysia kernel: [1168943.593164] RIP: 0010:__rb_insert_augmented+0x23/0x1e0
Mar  7 01:00:01 aplysia kernel: [1168943.593169] Code: 06 c3 48 89 41 10 c3 48 8b 07 48 85 c0 0f 84 c2 01 00 00 41 54 49 89 f4 55 53 48 83 ec 08 48 8b 18 f6 c3 01 0f 85 ee 00 00 00 <48> 8b 4b 08 48 89 de 48 39 c1 74 65 48 85 c9 74 09 f6 01 01 0f 84
Mar  7 01:00:01 aplysia kernel: [1168943.593171] RSP: 0018:ffffb6f48b07fd48 EFLAGS: 00010246
Mar  7 01:00:01 aplysia kernel: [1168943.593174] RAX: ffff985c70932378 RBX: 0000000000000000 RCX: 000000000000001c
Mar  7 01:00:01 aplysia kernel: [1168943.593175] RDX: ffffffff8ce311d0 RSI: ffff985c49f6e3f8 RDI: ffff985cf34b08f0
Mar  7 01:00:01 aplysia kernel: [1168943.593176] RBP: ffff985cf34b0898 R08: ffff985c70932378 R09: 0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.593178] R10: ffff985cf34b0898 R11: 0000000000000000 R12: ffff985c49f6e3f8
Mar  7 01:00:01 aplysia kernel: [1168943.593179] R13: ffff985dad9bfb10 R14: ffff985dad9bfaf0 R15: ffff985c49f6e408
Mar  7 01:00:01 aplysia kernel: [1168943.593182] FS:  00007f68bac90980(0000) GS:ffff98639fc00000(0000) knlGS:0000000000000000
Mar  7 01:00:01 aplysia kernel: [1168943.593183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar  7 01:00:01 aplysia kernel: [1168943.593184] CR2: 0000000000000008 CR3: 00000001b3406000 CR4: 00000000001006f0