[LU-13168] Client panic "Freechain corrupt"/"Redzone Overwritten"

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.14.0, Lustre 2.12.5
• Environment: Centos 7.7 ; MDS/OSS Lustre version: 2.12.3 ; clients Lustre: 2.12.3_93_gb75f04d-1
• Severity: 3
• Assignee: Andreas Dilger
• Reporter: Christopher Mountford

Description

 

We are using 2.12.3_93_gb75f04d-1 on clients to fix a panic when deleting files and using data on MDT (LU-12462). This has resolved the panic on deleting files, however we are now experiencing 2-3 kernel panics a day between our 6 cluster login machines.

We do not yet know what is triggering these, however they all start from with either a kmalloc-8 freechain corrupt or kmalloc-8 Redzone overwritten, I've reproduced samples of both the vmcore-dmesg file generated by kdump/, this looks similar to me to LU-12581

Typical dmesg from crashed client:

[171210.346747] =============================================================================
[171210.346754] BUG kmalloc-8 (Tainted: G OE ------------ ): Freechain corrupt
[171210.346756] -----------------------------------------------------------------------------
[171210.346759] Disabling lock debugging due to kernel taint
[171210.346763] INFO: Slab 0xffffeb5450defb40 objects=102 used=6 fp=0xffff8eb6b7bedfa8 flags=0x6fffff00000081
[171210.346765] INFO: Object 0xffff8eb6b7bedf30 @offset=3888 fp=0x7fff8eb6b7bedf08
[171210.346770] Redzone ffff8eb6b7bedf28: bb bb bb bb bb bb bb bb ........
[171210.346773] Object ffff8eb6b7bedf30: 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkk.
[171210.346775] Redzone ffff8eb6b7bedf38: bb bb bb bb bb bb bb bb ........
[171210.346778] Padding ffff8eb6b7bedf48: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[171210.346783] CPU: 21 PID: 8721 Comm: pool Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[171210.346785] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[171210.346787] Call Trace:
[171210.346799] [<ffffffffa777ac23>] dump_stack+0x19/0x1b
[171210.346805] [<ffffffffa7221561>] print_trailer+0x161/0x280
[171210.346808] [<ffffffffa7221ebf>] on_freelist+0xff/0x270
[171210.346813] [<ffffffffa77774cc>] free_debug_processing+0x18d/0x270
[171210.346818] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.346822] [<ffffffffa7223bee>] __slab_free+0x1ce/0x290
[171210.346829] [<ffffffffa7272e58>] ? generic_setxattr+0x68/0x80
[171210.346834] [<ffffffffa7273635>] ? __vfs_setxattr_noperm+0x65/0x1b0
[171210.346840] [<ffffffffa732b7ae>] ? evm_inode_setxattr+0xe/0x10
[171210.346844] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.346847] [<ffffffffa7223db6>] kfree+0x106/0x140
[171210.346851] [<ffffffffa71ddcb5>] kvfree+0x35/0x40
[171210.346855] [<ffffffffa727399b>] setxattr+0x15b/0x1e0
[171210.346861] [<ffffffffa725c3ed>] ? putname+0x3d/0x60
[171210.346865] [<ffffffffa725d602>] ? user_path_at_empty+0x72/0xc0
[171210.346871] [<ffffffffa724d828>] ? __sb_start_write+0x58/0x120
[171210.346876] [<ffffffffa7273c87>] SyS_setxattr+0xb7/0x100
[171210.346882] [<ffffffffa778dede>] system_call_fastpath+0x25/0x2a
[171210.346885] =============================================================================
[171210.346888] BUG kmalloc-8 (Tainted: G B OE ------------ ): Wrong object count. Counter is 6 but counted were 98
[171210.346889] -----------------------------------------------------------------------------
[171210.346893] INFO: Slab 0xffffeb5450defb40 objects=102 used=6 fp=0xffff8eb6b7bedfa8 flags=0x6fffff00000081
[171210.346897] CPU: 21 PID: 8721 Comm: pool Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[171210.346899] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[171210.346901] Call Trace:
[171210.346905] [<ffffffffa777ac23>] dump_stack+0x19/0x1b
[171210.346908] [<ffffffffa7221b54>] slab_err+0xb4/0xe0
[171210.346915] [<ffffffffa7030a1e>] ? show_stack+0x4e/0x60
[171210.346918] [<ffffffffa7221561>] ? print_trailer+0x161/0x280
[171210.346921] [<ffffffffa7221f85>] on_freelist+0x1c5/0x270
[171210.346925] [<ffffffffa77774cc>] free_debug_processing+0x18d/0x270
[171210.346929] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.346932] [<ffffffffa7223bee>] __slab_free+0x1ce/0x290
[171210.346937] [<ffffffffa7272e58>] ? generic_setxattr+0x68/0x80
[171210.346941] [<ffffffffa7273635>] ? __vfs_setxattr_noperm+0x65/0x1b0
[171210.346944] [<ffffffffa732b7ae>] ? evm_inode_setxattr+0xe/0x10
[171210.346948] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.346951] [<ffffffffa7223db6>] kfree+0x106/0x140
[171210.346955] [<ffffffffa71ddcb5>] kvfree+0x35/0x40
[171210.346959] [<ffffffffa727399b>] setxattr+0x15b/0x1e0
[171210.346963] [<ffffffffa725c3ed>] ? putname+0x3d/0x60
[171210.346967] [<ffffffffa725d602>] ? user_path_at_empty+0x72/0xc0
[171210.346971] [<ffffffffa724d828>] ? __sb_start_write+0x58/0x120
[171210.346976] [<ffffffffa7273c87>] SyS_setxattr+0xb7/0x100
[171210.346980] [<ffffffffa778dede>] system_call_fastpath+0x25/0x2a
[171210.346983] FIX kmalloc-8: Object count adjusted.
[171210.346985] =============================================================================
[171210.346988] BUG kmalloc-8 (Tainted: G B OE ------------ ): Redzone overwritten
[171210.346989] -----------------------------------------------------------------------------
[171210.346993] INFO: 0xffff8eb6b7bed0b0-0xffff8eb6b7bed0b7. First byte 0x4c instead of 0xcc
[171210.346996] INFO: Slab 0xffffeb5450defb40 objects=102 used=98 fp=0xffff8eb6b7bedfa8 flags=0x6fffff00000081
[171210.346998] INFO: Object 0xffff8eb6b7bed0a8 @offset=168 fp=0x7f7f0e36373e5050
[171210.347001] Redzone ffff8eb6b7bed0a0: cc cc cc cc cc cc cc cc ........
[171210.347004] Object ffff8eb6b7bed0a8: d0 0b d6 0b 88 01 00 25 .......%
[171210.347006] Redzone ffff8eb6b7bed0b0: 4c 4c 4c 4c 4c 4c 4c 4c LLLLLLLL
[171210.347009] Padding ffff8eb6b7bed0c0: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[171210.347012] CPU: 21 PID: 8721 Comm: pool Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[171210.347014] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[171210.347016] Call Trace:
[171210.347020] [<ffffffffa777ac23>] dump_stack+0x19/0x1b
[171210.347023] [<ffffffffa7221561>] print_trailer+0x161/0x280
[171210.347026] [<ffffffffa72217ef>] check_bytes_and_report+0xcf/0x110
[171210.347030] [<ffffffffa722237d>] check_object+0x1dd/0x2a0
[171210.347033] [<ffffffffa77773cc>] free_debug_processing+0x8d/0x270
[171210.347037] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.347040] [<ffffffffa7223bee>] __slab_free+0x1ce/0x290
[171210.347045] [<ffffffffa7272e58>] ? generic_setxattr+0x68/0x80
[171210.347049] [<ffffffffa7273635>] ? __vfs_setxattr_noperm+0x65/0x1b0
[171210.347258] [<ffffffffa732b7ae>] ? evm_inode_setxattr+0xe/0x10
[171210.347262] [<ffffffffa71ddcb5>] ? kvfree+0x35/0x40
[171210.347265] [<ffffffffa7223db6>] kfree+0x106/0x140
[171210.347449] [<ffffffffa71ddcb5>] kvfree+0x35/0x40
[171210.347627] [<ffffffffa727399b>] setxattr+0x15b/0x1e0
[171210.347823] [<ffffffffa725c3ed>] ? putname+0x3d/0x60
[171210.348010] [<ffffffffa725d602>] ? user_path_at_empty+0x72/0xc0
[171210.348204] [<ffffffffa724d828>] ? __sb_start_write+0x58/0x120
[171210.348209] [<ffffffffa7273c87>] SyS_setxattr+0xb7/0x100
[171210.348392] [<ffffffffa778dede>] system_call_fastpath+0x25/0x2a
[171210.348578] FIX kmalloc-8: Restoring 0xffff8eb6b7bed0b0-0xffff8eb6b7bed0b7=0xcc
[171210.349139] FIX kmalloc-8: Object at 0xffff8eb6b7bed0a8 not freed
[171210.462694] general protection fault: 0000 [#1] SMP 
[171210.488281] Modules linked in: fuse can_bcm sctp can_raw can nfsd mgc(OE) lustre(OE) lmv(OE) mdc(OE) fid(OE) osc(OE) lov(OE) fld(OE) ko2iblnd(OE) ptlrpc(OE) obdclass(OE) cts lnet(OE) rpcsec_gss_krb5 nfsv4 dns_resolver libcfs(OE) rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) mlx5_fpga_tools(OE) mlx5_ib(OE) mlx5_core(OE) mlxfw(OE) mlx4_en(OE) ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG nf_conntrack_ipv4 nf_defrag_ipv4 xt_multiport xt_recent xt_conntrack nf_conntrack iptable_filter dm_mirror dm_region_hash dm_log dm_mod mlx4_ib(OE) ib_uverbs(OE) ib_core(OE) sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm mlx4_core(OE) mgag200 ttm irqbypass drm_kms_helper crc32_pclmul iTCO_wdt crc32c_intel iTCO_vendor_support ghash_clmulni_intel aesni_intel
[171210.866605] syscopyarea lrw sysfillrect sysimgblt fb_sys_fops gf128mul glue_helper drm ablk_helper cryptd ses enclosure drm_panel_orientation_quirks ipmi_si mlx_compat(OE) pcspkr ipmi_devintf devlink ioatdma ipmi_msghandler pcc_cpufreq wmi i2c_i801 hpwdt lpc_ich acpi_power_meter binfmt_misc knem(OE) auth_rpcgss ip_tables smartpqi bridge stp llc xfs isci libsas qla3xxx e1000e igb i2c_algo_bit megaraid_sas aacraid aic79xx ata_piix mpt2sas raid_class mptspi scsi_transport_spi mptsas mptscsih mptbase arcmsr ahci libahci sata_nv sata_svw bnx2x libcrc32c bnx2 ext4 mbcache jbd2 sata_sil libata tg3 e1000 nfsv3 nfs_acl nfs lockd grace sunrpc fscache tun sd_mod crc_t10dif crct10dif_generic sg ixgbe crct10dif_pclmul crct10dif_common hpsa dca mdio ptp hpilo scsi_transport_sas pps_core [last unloaded: ipmi_msghandler]
[171211.240594] 
[171211.242206] CPU: 21 PID: 8721 Comm: pool Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[171211.300030] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[171211.336094] task: ffff8e972f73b150 ti: ffff8e9cdf368000 task.ti: ffff8e9cdf368000
[171211.375938] RIP: 0010:[<ffffffffc112fcdc>] [<ffffffffc112fcdc>] cl_page_delete0+0x6c/0x220 [obdclass]
[171211.423586] RSP: 0018:ffff8e9cdf36bb98 EFLAGS: 00010287
[171211.451848] RAX: 7fffffffc1439900 RBX: ffff8eb76f7e4a90 RCX: 000000000000001c
[171211.490610] RDX: ffff8e88df67bb50 RSI: ffff8ea253a26b58 RDI: ffff8e8fd9ff89a4
[171211.530173] RBP: ffff8e9cdf36bbb0 R08: ffff8ea253a26b58 R09: 0000000000000046
[171211.568509] R10: 0000000000000230 R11: ffff8eae63eebc00 R12: ffff8eb76f7e4a28
[171211.606963] R13: ffffffffc118d878 R14: ffff8e9cdf36bcd0 R15: ffff8e9cdf36bc60
[171211.645074] FS: 00002aaabe446700(0000) GS:ffff8ec27f3c0000(0000) knlGS:0000000000000000
[171211.689665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[171211.722223] CR2: 0000000001440b30 CR3: 0000003bd6a22000 CR4: 00000000003607e0
[171211.762135] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[171211.801929] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[171211.842015] Call Trace:
[171211.855677] [<ffffffffc112fec3>] cl_page_delete+0x33/0x110 [obdclass]
[171211.892125] [<ffffffffc158a9ff>] ll_invalidatepage+0x7f/0x170 [lustre]
[171211.931786] [<ffffffffa71ce22d>] do_invalidatepage_range+0x7d/0x90
[171211.965295] [<ffffffffa71ce2d7>] truncate_inode_page+0x77/0x80
[171211.996796] [<ffffffffa71ce50a>] truncate_inode_pages_range+0x1ea/0x750
[171212.033187] [<ffffffffa71ceadf>] truncate_inode_pages_final+0x4f/0x60
[171212.071886] [<ffffffffc1570acf>] ll_delete_inode+0x4f/0x230 [lustre]
[171212.106401] [<ffffffffa7268544>] evict+0xb4/0x180
[171212.133368] [<ffffffffa726896c>] iput+0xfc/0x190
[171212.162024] [<ffffffffa725cbde>] do_unlinkat+0x1ae/0x2d0
[171212.191747] [<ffffffffa725dc96>] SyS_unlink+0x16/0x20
[171212.221730] [<ffffffffa778dede>] system_call_fastpath+0x25/0x2a
[171212.253488] Code: 89 e6 ba 04 00 00 00 4c 89 ef e8 80 fb ff ff 49 8b 44 24 30 49 83 c4 28 49 39 c4 48 8d 58 e0 74 2b 66 0f 1f 44 00 00 48 8b 43 18 <48> 8b 40 40 48 85 c0 74 0b 48 89 de 4c 89 ef e8 20 2e 26 e6 48 
[171212.353283] RIP [<ffffffffc112fcdc>] cl_page_delete0+0x6c/0x220 [obdclass]
[171212.391650] RSP <ffff8e9cdf36bb98>
 

second dmesg (Redzone overwritten message)

 

[588058.598892] =============================================================================
[588058.598898] BUG kmalloc-8 (Tainted: G OE ------------ ): Redzone overwritten
[588058.598900] -----------------------------------------------------------------------------
[588058.598903] Disabling lock debugging due to kernel taint
[588058.598906] INFO: 0xffff8b70ccbdde48-0xffff8b70ccbdde4f. First byte 0x4c instead of 0xcc
[588058.598908] INFO: Slab 0xffffd60ee632f740 objects=102 used=93 fp=0xffff8b70ccbddcd8 flags=0x6fffff00000081
[588058.598910] INFO: Object 0xffff8b70ccbdde40 @offset=3648 fp=0x7f7f0b704c3d5d48
[588058.598914] Redzone ffff8b70ccbdde38: cc cc cc cc cc cc cc cc ........
[588058.598916] Object ffff8b70ccbdde40: d0 0b d6 0b 88 01 00 25 .......%
[588058.598918] Redzone ffff8b70ccbdde48: 4c 4c 4c 4c 4c 4c 4c 4c LLLLLLLL
[588058.598920] Padding ffff8b70ccbdde58: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[588058.598924] CPU: 27 PID: 12194 Comm: pool Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[588058.598926] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[588058.598927] Call Trace:
[588058.598939] [<ffffffffb477ac23>] dump_stack+0x19/0x1b
[588058.598944] [<ffffffffb4221561>] print_trailer+0x161/0x280
[588058.598947] [<ffffffffb42217ef>] check_bytes_and_report+0xcf/0x110
[588058.598950] [<ffffffffb422237d>] check_object+0x1dd/0x2a0
[588058.598953] [<ffffffffb47773cc>] free_debug_processing+0x8d/0x270
[588058.598958] [<ffffffffb41ddcb5>] ? kvfree+0x35/0x40
[588058.598962] [<ffffffffb4223bee>] __slab_free+0x1ce/0x290
[588058.598968] [<ffffffffb4272e58>] ? generic_setxattr+0x68/0x80
[588058.598972] [<ffffffffb4273635>] ? __vfs_setxattr_noperm+0x65/0x1b0
[588058.598977] [<ffffffffb432b7ae>] ? evm_inode_setxattr+0xe/0x10
[588058.598980] [<ffffffffb41ddcb5>] ? kvfree+0x35/0x40
[588058.598982] [<ffffffffb4223db6>] kfree+0x106/0x140
[588058.598985] [<ffffffffb41ddcb5>] kvfree+0x35/0x40
[588058.598989] [<ffffffffb427399b>] setxattr+0x15b/0x1e0
[588058.598994] [<ffffffffb425c3ed>] ? putname+0x3d/0x60
[588058.598998] [<ffffffffb425d602>] ? user_path_at_empty+0x72/0xc0
[588058.599003] [<ffffffffb424d828>] ? __sb_start_write+0x58/0x120
[588058.599008] [<ffffffffb42802f1>] ? do_utimes+0xf1/0x180
[588058.599011] [<ffffffffb4273c87>] SyS_setxattr+0xb7/0x100
[588058.599016] [<ffffffffb478dede>] system_call_fastpath+0x25/0x2a
[588058.599019] FIX kmalloc-8: Restoring 0xffff8b70ccbdde48-0xffff8b70ccbdde4f=0xcc
[588058.599022] FIX kmalloc-8: Object at 0xffff8b70ccbdde40 not freed
[588060.269020] WebExtensions[13188]: segfault at 1fff8 ip 00001f17cb0e5fbb sp 00007fffffffb998 error 4
[588076.827561] atom[21965]: segfault at 21ea75682310 ip 00002aaaab0d6550 sp 00007fffffffc3a8 error 4 in libnode.so[2aaaaaccf000+12ba000]
[588128.154889] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) page@ffff8b70fd832600[0 ffff8b5e72b18270 4 1 (null)]
[588128.154903] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) vvp-page@ffff8b70fd832650(0:0) vm@ffffd60ec75c3dc0 6fffff00000009 3:0 0 449438 lru
[588128.154910] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) lov-page@ffff8b70fd832690, comp index: 30002, gen: 8
[588128.154924] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) osc-page@ffff8b70fd8326c8 112542: 1< 0x845fed 2 0 - - > 2< 460972032 0 4096 0x0 0x420 | (null) ffff8b872b233648 ffff8b49c2ff9540 > 3< 0 0 0 > 4< 0 0 8 1879965695 - | - - - - > 5< - - - - | 0 - | 0 - ->
[588128.154930] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) end page@ffff8b70fd832600
[588128.154935] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) list_empty(&page->cp_batch)
[588128.154939] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) ASSERTION( 0 ) failed: 
[588128.196374] LustreError: 32046:0:(cl_page.c:394:cl_pagevec_put()) LBUG
[588128.230830] Pid: 32046, comm: wget 3.10.0-1062.9.1.el7.x86_64 #1 SMP Fri Dec 6 15:49:49 UTC 2019
[588128.230832] Call Trace:
[588128.230848] [<ffffffffc10d97cc>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[588128.230867] [<ffffffffc10d987c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[588128.230876] [<ffffffffc12fd1f3>] cl_pagevec_put+0x3a3/0x3e0 [obdclass]
[588128.230922] [<ffffffffc12fd240>] cl_page_put+0x10/0x20 [obdclass]
[588128.230944] [<ffffffffc175d895>] ll_releasepage+0xb5/0x1a0 [lustre]
[588128.230971] [<ffffffffb41bd565>] try_to_release_page+0x35/0x50
[588128.230979] [<ffffffffb41d2a19>] shrink_page_list+0xa09/0xc30
[588128.230985] [<ffffffffb41d3266>] shrink_inactive_list+0x1c6/0x5d0
[588128.230989] [<ffffffffb41d3d65>] shrink_lruvec+0x385/0x740
[588128.230993] [<ffffffffb41d4196>] shrink_zone+0x76/0x1a0
[588128.230997] [<ffffffffb41d4680>] do_try_to_free_pages+0xf0/0x520
[588128.231002] [<ffffffffb41d4d0a>] try_to_free_mem_cgroup_pages+0xda/0x190
[588128.231006] [<ffffffffb423c7ce>] mem_cgroup_reclaim+0x4e/0x120
[588128.231011] [<ffffffffb423d19c>] __mem_cgroup_try_charge+0x4ec/0x670
[588128.231014] [<ffffffffb423db09>] mem_cgroup_charge_common+0x59/0xc0
[588128.231018] [<ffffffffb423f4ca>] mem_cgroup_cache_charge+0x8a/0xb0
[588128.231022] [<ffffffffb41be1ee>] __add_to_page_cache_locked+0x4e/0x190
[588128.231026] [<ffffffffb41be387>] add_to_page_cache_lru+0x37/0xb0
[588128.231030] [<ffffffffb41be449>] grab_cache_page_nowait+0x49/0xa0
[588128.231033] [<ffffffffc175e1d5>] ll_write_begin+0xd5/0xc00 [lustre]
[588128.231048] [<ffffffffb41bd28f>] generic_file_buffered_write+0x10f/0x270
[588128.231052] [<ffffffffb41bfaf2>] __generic_file_aio_write+0x1e2/0x400
[588128.231056] [<ffffffffc176c51b>] __generic_file_write_iter+0xcb/0x340 [lustre]
[588128.231072] [<ffffffffc1770704>] vvp_io_write_start+0x4c4/0x970 [lustre]
[588128.231088] [<ffffffffc13011a8>] cl_io_start+0x68/0x130 [obdclass]
[588128.231112] [<ffffffffc130338c>] cl_io_loop+0xcc/0x1c0 [obdclass]
[588128.231134] [<ffffffffc1725f4b>] ll_file_io_generic+0x63b/0xc90 [lustre]
[588128.231147] [<ffffffffc1726a39>] ll_file_aio_write+0x289/0x660 [lustre]
[588128.231158] [<ffffffffc1726f10>] ll_file_write+0x100/0x1c0 [lustre]
[588128.231170] [<ffffffffb424a7f0>] vfs_write+0xc0/0x1f0
[588128.231175] [<ffffffffb424b60f>] SyS_write+0x7f/0xf0
[588128.231179] [<ffffffffb478dede>] system_call_fastpath+0x25/0x2a
[588128.231185] [<ffffffffffffffff>] 0xffffffffffffffff
[588128.231226] Kernel panic - not syncing: LBUG
[588128.255989] CPU: 14 PID: 32046 Comm: wget Kdump: loaded Tainted: G B OE ------------ 3.10.0-1062.9.1.el7.x86_64 #1
[588128.315914] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 10/21/2019
[588128.353586] Call Trace:
[588128.367273] [<ffffffffb477ac23>] dump_stack+0x19/0x1b
[588128.395924] [<ffffffffb4774967>] panic+0xe8/0x21f
[588128.423537] [<ffffffffc10d98cb>] lbug_with_loc+0x9b/0xa0 [libcfs]
[588128.458128] [<ffffffffc12fd1f3>] cl_pagevec_put+0x3a3/0x3e0 [obdclass]
[588128.496480] [<ffffffffc12fbcf0>] ? cl_page_delete0+0x80/0x220 [obdclass]
[588128.536173] [<ffffffffc12fd240>] cl_page_put+0x10/0x20 [obdclass]
[588128.569680] [<ffffffffc175d895>] ll_releasepage+0xb5/0x1a0 [lustre]
[588128.606245] [<ffffffffb41bd565>] try_to_release_page+0x35/0x50
[588128.637150] [<ffffffffb41d2a19>] shrink_page_list+0xa09/0xc30
[588128.668853] [<ffffffffb41d3266>] shrink_inactive_list+0x1c6/0x5d0
[588128.701180] [<ffffffffb41d3d65>] shrink_lruvec+0x385/0x740
[588128.729829] [<ffffffffb41d4196>] shrink_zone+0x76/0x1a0
[588128.757029] [<ffffffffb41d4680>] do_try_to_free_pages+0xf0/0x520
[588128.788834] [<ffffffffb41d4d0a>] try_to_free_mem_cgroup_pages+0xda/0x190
[588128.825660] [<ffffffffb423c7ce>] mem_cgroup_reclaim+0x4e/0x120
[588128.857225] [<ffffffffb423d19c>] __mem_cgroup_try_charge+0x4ec/0x670
[588128.890392] [<ffffffffb423db09>] mem_cgroup_charge_common+0x59/0xc0
[588128.926221] [<ffffffffb423f4ca>] mem_cgroup_cache_charge+0x8a/0xb0
[588128.959155] [<ffffffffb41be1ee>] __add_to_page_cache_locked+0x4e/0x190
[588128.997956] [<ffffffffb41be387>] add_to_page_cache_lru+0x37/0xb0
[588129.030741] [<ffffffffb41be449>] grab_cache_page_nowait+0x49/0xa0
[588129.068075] [<ffffffffc175e1d5>] ll_write_begin+0xd5/0xc00 [lustre]
[588129.108147] [<ffffffffb41bd28f>] generic_file_buffered_write+0x10f/0x270
[588129.147957] [<ffffffffb41bfaf2>] __generic_file_aio_write+0x1e2/0x400
[588129.187721] [<ffffffffc176c51b>] __generic_file_write_iter+0xcb/0x340 [lustre]
[588129.227843] [<ffffffffc1770704>] vvp_io_write_start+0x4c4/0x970 [lustre]
[588129.267789] [<ffffffffc13011a8>] cl_io_start+0x68/0x130 [obdclass]
[588129.300695] [<ffffffffc130338c>] cl_io_loop+0xcc/0x1c0 [obdclass]
[588129.337964] [<ffffffffc1725f4b>] ll_file_io_generic+0x63b/0xc90 [lustre]
[588129.377915] [<ffffffffc1726a39>] ll_file_aio_write+0x289/0x660 [lustre]
[588129.418350] [<ffffffffc1726f10>] ll_file_write+0x100/0x1c0 [lustre]
[588129.458398] [<ffffffffb424a7f0>] vfs_write+0xc0/0x1f0
[588129.488082] [<ffffffffb424b60f>] SyS_write+0x7f/0xf0
[588129.518291] [<ffffffffb478dede>] system_call_fastpath+0x25/0x2a

 

 

Issue Links

• duplicates: LU-12911 Setting a LOV EA can access or change outside allocated buffer
• is related to: LU-13589 PFL "lfs setstripe -E 1M -S 65536" incorrectly parses stripe_size units