Bug 65621
| Summary: | BUG bio-0 (Not tainted): Poison overwritten | ||
|---|---|---|---|
| Product: | Memory Management | Reporter: | Mikhail (mikhail.v.gavrilov) |
| Component: | Slab Allocator | Assignee: | Andrew Morton (akpm) |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | CC: | alan |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 3.12 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | dmesg output | ||
Is this repeatable Had the box been suspended and resumed Can you attach an lsmod of the system # lsmod Module Size Used by rfcomm 69451 12 nls_utf8 12557 1 vfat 17411 1 fat 65126 1 vfat isofs 39803 1 fuse 86956 2 nf_conntrack_netbios_ns 12665 0 nf_conntrack_broadcast 12642 1 nf_conntrack_netbios_ns ipt_MASQUERADE 12880 1 ip6t_REJECT 12939 2 xt_conntrack 12760 42 cfg80211 547930 0 ebtable_nat 12807 0 ebtable_broute 12731 0 bridge 131053 1 ebtable_broute stp 12946 1 bridge llc 14196 2 stp,bridge ebtable_filter 12827 0 ebtables 30833 3 ebtable_broute,ebtable_nat,ebtable_filter ip6table_nat 13015 1 nf_conntrack_ipv6 18821 24 nf_defrag_ipv6 100125 1 nf_conntrack_ipv6 nf_nat_ipv6 13213 1 ip6table_nat ip6table_mangle 12700 1 ip6table_security 12710 1 ip6table_raw 12683 1 ip6table_filter 12815 1 ip6_tables 26808 5 ip6table_filter,ip6table_mangle,ip6table_security,ip6table_nat,ip6table_raw iptable_nat 13011 1 nf_conntrack_ipv4 14847 20 nf_defrag_ipv4 12702 1 nf_conntrack_ipv4 nf_nat_ipv4 13199 1 iptable_nat nf_nat 25079 5 ipt_MASQUERADE,nf_nat_ipv4,nf_nat_ipv6,ip6table_nat,iptable_nat nf_conntrack 110849 11 nf_conntrack_netbios_ns,ipt_MASQUERADE,nf_nat,nf_nat_ipv4,nf_nat_ipv6,xt_conntrack,ip6table_nat,nf_conntrack_broadcast,iptable_nat,nf_conntrack_ipv4,nf_conntrack_ipv6 iptable_mangle 12695 1 iptable_security 12705 1 iptable_raw 12678 1 bnep 24065 2 iTCO_wdt 13516 0 iTCO_vendor_support 13419 1 iTCO_wdt ppdev 17635 0 joydev 17560 0 x86_pkg_temp_thermal 14270 0 coretemp 13507 0 cdc_ncm 19725 0 kvm_intel 143110 0 option 42504 0 usbnet 42155 1 cdc_ncm kvm 467097 1 kvm_intel usb_wwan 19688 1 option crct10dif_pclmul 14250 0 crc32_pclmul 13113 0 btusb 28350 0 crc32c_intel 22079 0 bluetooth 406882 32 bnep,btusb,rfcomm ghash_clmulni_intel 13259 0 rfkill 22195 5 cfg80211,bluetooth microcode 44007 0 snd_hda_codec_realtek 56143 1 snd_hda_codec_hdmi 41142 1 snd_hda_intel 48357 7 snd_hda_codec 183936 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 17650 1 snd_hda_codec serio_raw 13413 0 snd_seq 61084 0 snd_seq_device 14136 1 snd_seq snd_pcm 98154 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel r8169 71749 0 mii 13527 2 r8169,usbnet snd_page_alloc 18268 2 snd_pcm,snd_hda_intel snd_timer 28806 2 snd_pcm,snd_seq lpc_ich 21080 0 snd 79517 23 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_hda_codec,snd_hda_intel,snd_seq_device mei_me 18421 0 i2c_i801 18135 0 mfd_core 13182 1 lpc_ich soundcore 14491 1 snd mei 77086 1 mei_me shpchp 37284 0 parport_pc 28048 0 parport 40605 2 ppdev,parport_pc binfmt_misc 17431 1 nfsd 335866 1 auth_rpcgss 67416 1 nfsd nfs_acl 12741 1 nfsd lockd 98136 1 nfsd sunrpc 310773 5 nfsd,auth_rpcgss,lockd,nfs_acl hid_logitech_dj 18652 0 usb_storage 56862 2 i915 720821 7 i2c_algo_bit 13257 1 i915 drm_kms_helper 50359 1 i915 drm 288416 6 i915,drm_kms_helper i2c_core 38380 5 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit video 19299 1 i915 |
Created attachment 115791 [details] dmesg output $ uname -a Linux localhost.localdomain 3.12.0-2.fc21.x86_64+debug #1 SMP Sat Nov 9 21:12:03 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [28969.527047] ============================================================================= [28969.527050] BUG bio-0 (Not tainted): Poison overwritten [28969.527051] ----------------------------------------------------------------------------- [28969.527052] Disabling lock debugging due to kernel taint [28969.527054] INFO: 0xffff8801037cd071-0xffff8801037cd071. First byte 0xeb instead of 0x6b [28969.527057] INFO: Allocated in mempool_alloc_slab+0x15/0x20 age=7704 cpu=3 pid=9558 [28969.527060] __slab_alloc+0x3eb/0x4fe [28969.527062] kmem_cache_alloc+0x294/0x340 [28969.527063] mempool_alloc_slab+0x15/0x20 [28969.527064] mempool_alloc+0x5c/0x150 [28969.527067] bio_alloc_bioset+0x196/0x2a0 [28969.527068] mpage_alloc+0x2f/0x90 [28969.527070] do_mpage_readpage+0x2f8/0x680 [28969.527071] mpage_readpages+0xdb/0x130 [28969.527074] ext4_readpages+0x3a/0x50 [28969.527075] __do_page_cache_readahead+0x2d2/0x370 [28969.527076] force_page_cache_readahead+0x79/0xc0 [28969.527078] SyS_fadvise64_64+0x1b3/0x250 [28969.527079] SyS_fadvise64+0xe/0x10 [28969.527081] system_call_fastpath+0x16/0x1b [28969.527082] INFO: Freed in mempool_free_slab+0x17/0x20 age=7621 cpu=7 pid=0 [28969.527084] __slab_free+0x3a/0x382 [28969.527085] kmem_cache_free+0x356/0x370 [28969.527086] mempool_free_slab+0x17/0x20 [28969.527087] mempool_free+0x49/0x90 [28969.527089] bio_put+0x7d/0xa0 [28969.527090] mpage_end_io+0x8d/0xb0 [28969.527091] bio_endio+0x1d/0x30 [28969.527093] blk_update_request+0xc2/0x610 [28969.527094] blk_update_bidi_request+0x1c/0x80 [28969.527095] blk_end_bidi_request+0x1f/0x60 [28969.527096] blk_end_request+0x10/0x20 [28969.527099] scsi_io_completion+0xf1/0x640 [28969.527100] scsi_finish_command+0xb0/0x110 [28969.527101] scsi_softirq_done+0x12f/0x160 [28969.527103] blk_done_softirq+0x90/0xb0 [28969.527105] __do_softirq+0x107/0x410 [28969.527106] INFO: Slab 0xffffea00040df300 objects=28 used=28 fp=0x (null) flags=0x5ff00000004080 [28969.527107] INFO: Object 0xffff8801037ccfc0 @offset=4032 fp=0xffff8801037cf3c0 [28969.527108] Bytes b4 ffff8801037ccfb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527109] Object ffff8801037ccfc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527110] Object ffff8801037ccfd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527111] Object ffff8801037ccfe0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527112] Object ffff8801037ccff0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527113] Object ffff8801037cd000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527114] Object ffff8801037cd010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527115] Object ffff8801037cd020: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527115] Object ffff8801037cd030: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527116] Object ffff8801037cd040: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527117] Object ffff8801037cd050: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527118] Object ffff8801037cd060: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527119] Object ffff8801037cd070: 6b eb 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 k.kkkkkkkkkkkkk. [28969.527120] Redzone ffff8801037cd080: bb bb bb bb bb bb bb bb ........ [28969.527121] Padding ffff8801037cd1c0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527122] Padding ffff8801037cd1d0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527122] Padding ffff8801037cd1e0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527123] Padding ffff8801037cd1f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527125] CPU: 6 PID: 9558 Comm: transmission-gt Tainted: G B 3.12.0-2.fc21.x86_64+debug #1 [28969.527126] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F8 08/03/2013 [28969.527127] ffff8801037ccfc0 ffff8807d47e1958 ffffffff81742e92 ffff880813909b00 [28969.527130] ffff8807d47e1998 ffffffff811d368d 0000000000000040 ffff880100000001 [28969.527132] ffff8801037cd072 ffff880813909b00 000000000000006b ffff8801037ccfc0 [28969.527134] Call Trace: [28969.527137] [<ffffffff81742e92>] dump_stack+0x54/0x74 [28969.527139] [<ffffffff811d368d>] print_trailer+0x14d/0x200 [28969.527140] [<ffffffff811d387f>] check_bytes_and_report+0xcf/0x110 [28969.527142] [<ffffffff811d46f7>] check_object+0x1d7/0x250 [28969.527144] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527146] [<ffffffff81740613>] alloc_debug_processing+0x76/0x118 [28969.527148] [<ffffffff8174124e>] __slab_alloc+0x3eb/0x4fe [28969.527151] [<ffffffff81021b45>] ? native_sched_clock+0x15/0x80 [28969.527153] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527156] [<ffffffff810eebdd>] ? trace_hardirqs_off+0xd/0x10 [28969.527159] [<ffffffff810b954f>] ? local_clock+0x5f/0x70 [28969.527161] [<ffffffff811d6244>] kmem_cache_alloc+0x294/0x340 [28969.527162] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527164] [<ffffffff8117fd05>] mempool_alloc_slab+0x15/0x20 [28969.527166] [<ffffffff8117fe3c>] mempool_alloc+0x5c/0x150 [28969.527168] [<ffffffff8128c567>] ? ext4_map_blocks+0x267/0x530 [28969.527169] [<ffffffff81233016>] bio_alloc_bioset+0x196/0x2a0 [28969.527171] [<ffffffff8123a41f>] mpage_alloc+0x2f/0x90 [28969.527173] [<ffffffff8123af98>] do_mpage_readpage+0x2f8/0x680 [28969.527175] [<ffffffff8117ccd9>] ? add_to_page_cache_locked+0xf9/0x270 [28969.527177] [<ffffffff8123b3fb>] mpage_readpages+0xdb/0x130 [28969.527179] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527181] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527183] [<ffffffff811ca7e9>] ? alloc_pages_current+0xa9/0x170 [28969.527185] [<ffffffff8128984a>] ext4_readpages+0x3a/0x50 [28969.527187] [<ffffffff8118ad62>] __do_page_cache_readahead+0x2d2/0x370 [28969.527188] [<ffffffff8118abb7>] ? __do_page_cache_readahead+0x127/0x370 [28969.527190] [<ffffffff8118af39>] force_page_cache_readahead+0x79/0xc0 [28969.527192] [<ffffffff81181883>] SyS_fadvise64_64+0x1b3/0x250 [28969.527194] [<ffffffff8138330b>] ? trace_hardirqs_on_thunk+0x3a/0x3f [28969.527196] [<ffffffff8118192e>] SyS_fadvise64+0xe/0x10 [28969.527197] [<ffffffff81756229>] system_call_fastpath+0x16/0x1b [28969.527198] FIX bio-0: Restoring 0xffff8801037cd071-0xffff8801037cd071=0x6b [28969.527199] FIX bio-0: Marking all objects used