[LU-10952] recovery-small test_57: BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 in ida_remove()

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: Bruno Faccini (Inactive)
• Reporter: Maloo

Description

This issue was created by maloo for bfaccini <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/9d1f0ea0-44ed-11e8-8f8a-52540065bddc

test_57 failed with the following error:

Test crashed during recovery-small test_57

Crash infos/msgs from client Console log :

[ 7091.852836] Lustre: DEBUG MARKER: == recovery-small test 57: read procfs entries causes kernel crash =================================== 22:51:04 (1524264664)
[ 7092.902971] Lustre: DEBUG MARKER: grep -c /mnt/lustre' ' /proc/mounts
[ 7092.912675] Lustre: DEBUG MARKER: lsof -t /mnt/lustre
[ 7093.020798] Lustre: DEBUG MARKER: umount /mnt/lustre 2>&1
[ 7093.049261] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
[ 7093.050110] IP: [<ffffffff813261e1>] ida_remove+0x91/0xe0
[ 7093.050655] PGD 8000000064f1b067 PUD 5f9a7067 PMD 0 
[ 7093.051182] Oops: 0000 [#1] SMP 
[ 7093.051534] Modules linked in: lustre(OE) obdecho(OE) mgc(OE) lov(OE) mdc(OE) osc(OE) lmv(OE) fid(OE) fld(OE) ptlrpc_gss(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache rpcrdma ib_isert iscsi_target_mod ib_iser libiscsi scsi_transport_iscsi ib_srpt target_core_mod crc_t10dif crct10dif_generic ib_srp scsi_transport_srp scsi_tgt ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_core iosf_mbi crc32_pclmul ghash_clmulni_intel nfsd ppdev aesni_intel lrw gf128mul glue_helper ablk_helper cryptd i2c_piix4 i2c_core pcspkr joydev virtio_balloon nfs_acl lockd parport_pc parport grace auth_rpcgss sunrpc ip_tables ata_generic pata_acpi ext4 mbcache jbd2 ata_piix libata virtio_blk 8139too crct10dif_pclmul crct10dif_common crc32c_intel virtio_pci virtio_ring serio_raw virtio 8139cp floppy mii
[ 7093.060088] CPU: 0 PID: 23436 Comm: lctl Tainted: G           OE  ------------   3.10.0-693.17.1.el7.x86_64 #1
[ 7093.061013] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
[ 7093.061555] task: ffff880062b33f40 ti: ffff8800622f8000 task.ti: ffff8800622f8000
[ 7093.062250] RIP: 0010:[<ffffffff813261e1>]  [<ffffffff813261e1>] ida_remove+0x91/0xe0
[ 7093.063009] RSP: 0018:ffff8800622fbe20  EFLAGS: 00010086
[ 7093.063511] RAX: 0000000000000180 RBX: 0000000000000000 RCX: 00000000000000f4
[ 7093.064172] RDX: 00000000001ec6f4 RSI: 00000000736a1480 RDI: ffff88007c0a0008
[ 7093.064838] RBP: ffff8800622fbe30 R08: ffff88007c0a0000 R09: 00000000000000f4
[ 7093.065506] R10: 00000000636a1001 R11: ffffea00018da840 R12: ffffffff81fd15e0
[ 7093.066164] R13: ffff88007ab27600 R14: ffff8800636a1000 R15: ffffffff81217790
[ 7093.066850] FS:  00007f4e87410740(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[ 7093.067600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7093.068132] CR2: 0000000000000038 CR3: 000000006091e000 CR4: 00000000000606f0
[ 7093.068797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7093.069461] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 7093.070114] Call Trace:
[ 7093.070355]  [<ffffffff8127880f>] proc_free_inum+0x2f/0x50
[ 7093.070879]  [<ffffffff81278c97>] pde_put+0x27/0x50
[ 7093.071333]  [<ffffffff81278e1c>] proc_readdir_de+0x15c/0x220
[ 7093.071887]  [<ffffffff81217790>] ? fillonedir+0xe0/0xe0
[ 7093.072382]  [<ffffffff81278f02>] proc_readdir+0x22/0x30
[ 7093.072884]  [<ffffffff81217680>] vfs_readdir+0xb0/0xe0
[ 7093.073379]  [<ffffffff81217aa5>] SyS_getdents+0x95/0x120
[ 7093.073894]  [<ffffffff816b89fd>] system_call_fastpath+0x16/0x1b
[ 7093.074459]  [<ffffffff816b889d>] ? system_call_after_swapgs+0xca/0x214
[ 7093.075071] Code: 45 0f b3 48 08 4f 8b 44 c8 28 83 e9 08 4d 85 c0 75 e0 4d 85 c0 74 4b 0f b6 ca 49 8d 78 08 41 0f b3 48 08 4c 63 c9 4b 8b 5c c8 28 <0f> a3 43 08 45 19 c0 45 85 c0 74 2b 0f b3 43 08 48 83 2b 01 75 
[ 7093.078106] RIP  [<ffffffff813261e1>] ida_remove+0x91/0xe0
[ 7093.078655]  RSP <ffff8800622fbe20>
[ 7093.078987] CR2: 0000000000000038

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
recovery-small test_57 - Test crashed during recovery-small test_57