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  1. Lustre
  2. LU-20066

sanity-compr.sh test_1004 crash: Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8

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    • Bug
    • Resolution: Unresolved
    • Major
    • None
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    • 3
    • 9223372036854775807

    Description

      [29977.944390] Lustre: DEBUG MARKER: /usr/sbin/lctl mark == sanity-compr test 1004: initial test for write updating ========================================================== 23:05:32 \(1774652732\)
      [29978.175688] Lustre: DEBUG MARKER: == sanity-compr test 1004: initial test for write updating ========================================================== 23:05:32 (1774652732)
      [29984.749914] bash (2125061): drop_caches: 3
      [29984.998316] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8
      [29984.999726] Mem abort info:
      [29985.000090]   ESR = 0x0000000096000005
      [29985.000575]   EC = 0x25: DABT (current EL), IL = 32 bits
      [29985.001256]   SET = 0, FnV = 0
      [29985.001652]   EA = 0, S1PTW = 0
      [29985.002058]   FSC = 0x05: level 1 translation fault
      [29985.002685] Data abort info:
      [29985.003059]   ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
      [29985.003764]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0
      [29985.004412]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
      [29985.005114] user pgtable: 64k pages, 48-bit VAs, pgdp=00000000a4bfa600
      [29985.005952] [00000000000000b8] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
      [29985.007078] Internal error: Oops: 0000000096000005 [#1] SMP
      [29985.007082] Modules linked in: lustre(OE) mdc(OE) lov(OE) lmv(OE) fld(OE) lgzip(OE) lzstd(OE) llz4hc(OE) llz4(OE) obdecho(OE) mgc(OE) osc(OE) fid(OE) ptlrpc_gss(OE) ptlrpc(OE) obdclass(OE) ksocklnd(OE) lnet(OE) libcfs(OE) loop crc32_generic rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs sunrpc rdma_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) mlx5_ib(OE) mlx5_core(OE) mlxdevm(OE) ib_uverbs(OE) ib_core(OE) psample mlxfw(OE) mlx_compat(OE) macsec tls pci_hyperv_intf rfkill virtio_balloon vfat fat drm fuse ext4 mbcache jbd2 crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce virtio_net net_failover virtio_blk failover virtio_mmio [last unloaded: fld(OE)]
      [29985.007143] CPU: 0 PID: 2125061 Comm: bash Kdump: loaded Tainted: G           OE     -------  ---  5.14.0-503.40.1.el9_5.aarch64+64k #1
      [29985.007147] Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20241117-4.el9 11/17/2024
      [29985.007149] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
      [29985.007151] pc : osc_cache_shrink_scan+0x1c8/0x3cc [osc]
      [29985.007251] lr : osc_cache_shrink_scan+0x15c/0x3cc [osc]
      [29985.007269] sp : ffff8000869ef900
      [29985.007270] x29: ffff8000869ef940 x28: 0000000000000000 x27: 0000000000000006
      [29985.007273] x26: ffffc75c0f58ca50 x25: ffffc75c0f589038 x24: 0000000000000000
      [29985.007276] x23: ffff8000869efa28 x22: 0000000000000000 x21: 0000000000000000
      [29985.007278] x20: ffff0000c26e3eb8 x19: ffffc75c0f581c38 x18: ffffffffffffffff
      [29985.007281] x17: 0000000000000000 x16: ffffc75c1d0c13c0 x15: ffff0000cf7b0000
      [29985.007283] x14: 0000000000000001 x13: ffff0000cf7af894 x12: 7661656c20737365
      [29985.007286] x11: 0000000000000001 x10: 000000000000000a x9 : ffffc75c0eb444b0
      [29985.007288] x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : feff6a6d68716772
      [29985.007290] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
      [29985.007293] x2 : 0000000000000000 x1 : ffffc75c0f5c7a50 x0 : ffffc75c0f58ca50
      [29985.007295] Call trace:
      [29985.007297]  osc_cache_shrink_scan+0x1c8/0x3cc [osc]
      [29985.007316]  do_shrink_slab+0x164/0x440
      [29985.007323]  shrink_slab+0xbc/0x140
      [29985.007327]  drop_slab+0x8c/0x120
      [29985.007330]  drop_caches_sysctl_handler+0xd0/0x190
      [29985.007335]  proc_sys_call_handler+0x1a8/0x280
      [29985.007340]  proc_sys_write+0x18/0x20
      [29985.007343]  vfs_write+0x250/0x300
      [29985.007348]  ksys_write+0x70/0x100
      [29985.007351]  __arm64_sys_write+0x20/0x30
      [29985.007354]  invoke_syscall.constprop.0+0x7c/0xd0
      [29985.007360]  do_el0_svc+0xb4/0xd0
      [29985.007362]  el0_svc+0xf0/0x200
      [29985.007369]  el0t_64_sync_handler+0x134/0x150
      [29985.007372]  el0t_64_sync+0x17c/0x180
      

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              bobijam Zhenyu Xu
              bobijam Zhenyu Xu
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