[LU-15085] racer: BUG: unable to handle kernel NULL pointer dereference at 000000000000 RIP: 0010:lod_striping_load+0x3d3/0x740 [lod]

Thu, 23 Jun 2022 15:01:41 +0000
[ 4536.955717] LustreError: 14849:0:(qsd_handler.c:900:qsd_op_begin()) lustre-MDT0000: more than 8 qids enforced for a transaction?
[ 4536.961710] LustreError: 14849:0:(qsd_handler.c:900:qsd_op_begin()) Skipped 1 previous similar message
[ 4537.027189] LustreError: 14836:0:(osp_object.c:629:osp_attr_get()) lustre-MDT0002-osp-MDT0000: osp_attr_get update error [0x280000bd8:0x4b:0x0]: rc = -5
[ 4537.036021] LustreError: 14836:0:(osp_object.c:629:osp_attr_get()) Skipped 3 previous similar messages
[ 4537.107275] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 4537.110734] PGD 0 P4D 0 
[ 4537.112695] Oops: 0000 [#1] SMP PTI
[ 4537.114872] CPU: 0 PID: 14843 Comm: mdt00_010 Tainted: G           OE    ---------r-t - 4.18.0-193.19.1.el8_2.x86_64 #1
[ 4537.118612] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 4537.121327] RIP: 0010:lod_striping_load+0x3d3/0x740 [lod]
[ 4537.123810] Code: c7 c6 98 b8 90 c1 48 c7 c7 80 f5 91 c1 c7 05 78 1d 05 00 01 00 00 00 49 89 c9 49 89 c8 e8 75 92 26 ff e9 53 fd ff ff 49 8b 06 <81> 38 d0 0c d5 0c 0f 84 8b 01 00 00 83 fb 37 0f 8e 3d 01 00 00 49
[ 4537.130556] RSP: 0018:ffffa9ed40b37aa0 EFLAGS: 00010286
[ 4537.132983] RAX: 0000000000000000 RBX: 00000000fffffffb RCX: 0000000000028306
[ 4537.136141] RDX: 0000000000028305 RSI: 0000000000000002 RDI: ffff932b47c03200
[ 4537.138996] RBP: ffff932b43e58da8 R08: 000000000002e0e0 R09: ffffffffc19f5f45
[ 4537.141823] R10: fffff1afc4248a00 R11: ffff932b45bd6dd2 R12: ffff932b7a7edb00
[ 4537.144620] R13: ffff932b43e58de8 R14: ffff932b4297c000 R15: ffff932b4297c010
[ 4537.147470] FS:  0000000000000000(0000) GS:ffff932b7ba00000(0000) knlGS:0000000000000000
[ 4537.150482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4537.152909] CR2: 0000000000000000 CR3: 0000000109118000 CR4: 00000000000006f0
[ 4537.155682] Call Trace:
[ 4537.157420]  lod_index_try+0x93/0x300 [lod]
[ 4537.159689]  dt_try_as_dir+0x33/0x50 [obdclass]
[ 4537.161872]  __mdd_lookup.isra.19+0x267/0x3e0 [mdd]
[ 4537.164067]  mdd_parent_fid+0x120/0x450 [mdd]
[ 4537.166095]  mdd_is_subdir+0x298/0x3e0 [mdd]
[ 4537.168415]  mdt_reint_rename+0x765/0x1ff0 [mdt]
[ 4537.171185]  ? tgt_check_lookup_req+0xf0/0x240 [ptlrpc]
[ 4537.173665]  mdt_reint_rec+0x117/0x270 [mdt]
[ 4537.175836]  mdt_reint_internal+0x4bc/0x7d0 [mdt]
[ 4537.178119]  mdt_reint+0x5d/0x110 [mdt]
[ 4537.180164]  tgt_request_handle+0xc93/0x1a00 [ptlrpc]
[ 4537.182550]  ptlrpc_server_handle_request+0x323/0xbd0 [ptlrpc]
[ 4537.184125]  ptlrpc_main+0xc06/0x1550 [ptlrpc]
[ 4537.185406]  ? __schedule+0x257/0x650
[ 4537.186567]  ? ptlrpc_wait_event+0x500/0x500 [ptlrpc]
[ 4537.187918]  kthread+0x112/0x130
[ 4537.188953]  ? kthread_flush_work_fn+0x10/0x10
[ 4537.190177]  ret_from_fork+0x35/0x40
[ 4537.191319] Modules linked in: osp(OE) mdd(OE) lod(OE) mdt(OE) lfsck(OE) mgs(OE) osd_ldiskfs(OE) ldiskfs(OE) lquota(OE) lustre(OE) obdecho(OE) mgc(OE) mdc(OE) lov(OE) osc(OE) lmv(OE) fid(OE) fld(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) crc32_generic rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache rpcrdma(OE) xprtrdma(OE) ib_isert(OE) ib_iser(OE) ib_srpt(OE) ib_srp(OE) rdma_ucm(OE) ib_ipoib(OE) ib_ucm(OE) rdma_cm(OE) ib_cm(OE) iw_cm(OE) ib_umad(OE) mlx5_ib(OE) ib_uverbs(OE) ib_core(OE) mlx5_core(OE) tls(t) mlx_compat(OE) mlxfw cirrus drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm joydev pcspkr virtio_balloon i2c_piix4 sunrpc binfmt_misc ip_tables ext4 mbcache jbd2 ata_generic ata_piix libata e1000 serio_raw virtio_blk [last unloaded: libcfs]
[ 4537.208022] CR2: 0000000000000000
[ 4537.209102] ---[ end trace 1998d379c48b58a5 ]---
[ 4537.210372] RIP: 0010:lod_striping_load+0x3d3/0x740 [lod]
[ 4537.211836] Code: c7 c6 98 b8 90 c1 48 c7 c7 80 f5 91 c1 c7 05 78 1d 05 00 01 00 00 00 49 89 c9 49 89 c8 e8 75 92 26 ff e9 53 fd ff ff 49 8b 06 <81> 38 d0 0c d5 0c 0f 84 8b 01 00 00 83 fb 37 0f 8e 3d 01 00 00 49
[ 4537.215933] RSP: 0018:ffffa9ed40b37aa0 EFLAGS: 00010286
[ 4537.217276] RAX: 0000000000000000 RBX: 00000000fffffffb RCX: 0000000000028306
[ 4537.218932] RDX: 0000000000028305 RSI: 0000000000000002 RDI: ffff932b47c03200
[ 4537.220606] RBP: ffff932b43e58da8 R08: 000000000002e0e0 R09: ffffffffc19f5f45
[ 4537.222259] R10: fffff1afc4248a00 R11: ffff932b45bd6dd2 R12: ffff932b7a7edb00
[ 4537.223915] R13: ffff932b43e58de8 R14: ffff932b4297c000 R15: ffff932b4297c010
[ 4537.225558] FS:  0000000000000000(0000) GS:ffff932b7ba00000(0000) knlGS:0000000000000000
[ 4537.227333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4537.228727] CR2: 0000000000000000 CR3: 0000000109118000 CR4: 00000000000006f0
[ 4537.230353] Kernel panic - not syncing: Fatal exception
[ 4537.232028] Kernel Offset: 0x6600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 4537.234256] ---[ end Kernel panic - not syncing: Fatal exception ]---
Whamcloud Community JIRA

[LU-15085] racer: BUG: unable to handle kernel NULL pointer dereference at 000000000000 RIP: 0010:lod_striping_load+0x3d3/0x740 [lod]
