Hello,
kernel test robot noticed "WARNING:at_fs/nfsd/nfs4state.c:#nfs4_free_deleg[nfsd]" on:
commit: 927562a91e483a71dd172f74f070503da5e3d9c0 ("[PATCH 10/11] nfsd: allow delegation state ids to be revoked and then freed")
url: https://github.com/intel-lab-lkp/linux/commits/NeilBrown/nfsd-hold-cl_lock-for-hash_delegation_locked/20231124-123723
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git f1a09972a45ae63efbd1587337c4be13b1893330
patch link: https://lore.kernel.org/all/20231124002925.1816-11-neilb@xxxxxxx/
patch subject: [PATCH 10/11] nfsd: allow delegation state ids to be revoked and then freed
in testcase: filebench
version: filebench-x86_64-22620e6-1_20221010
with following parameters:
disk: 1HDD
fs: xfs
fs2: nfsv4
test: webserver.f
cpufreq_governor: performance
compiler: gcc-12
test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202311301059.38a31c59-oliver.sang@xxxxxxxxx
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231130/202311301059.38a31c59-oliver.sang@xxxxxxxxx
[ 307.542673][ T3954] ------------[ cut here ]------------
[ 307.548304][ T3954] WARNING: CPU: 43 PID: 3954 at fs/nfsd/nfs4state.c:1075 nfs4_free_deleg+0x68/0xb0 [nfsd]
[ 307.558383][ T3954] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfsd auth_rpcgss xfs dm_mod kmem device_dax nd_pmem nd_btt dax_pmem btrfs blake2b_generic xor raid6_pq libcrc32c sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl ast ahci drm_shmem_helper libahci mei_me intel_cstate ipmi_ssif ioatdma i2c_i801 acpi_ipmi libata drm_kms_helper mei intel_uncore i2c_smbus joydev intel_pch_thermal dca dax_hmem wmi ipmi_si ipmi_devintf ipmi_msghandler nfit libnvdimm acpi_pad acpi_power_meter drm fuse ip_tables
[ 307.622302][ T3954] CPU: 43 PID: 3954 Comm: nfsd Tainted: G S 6.7.0-rc2-00157-g927562a91e48 #1
[ 307.632555][ T3954] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[ 307.644544][ T3954] RIP: 0010:nfs4_free_deleg+0x68/0xb0 [nfsd]
[ 307.650693][ T3954] Code: 75 46 48 8b 3d c9 99 03 00 e8 b4 be f9 bf f0 48 ff 0d a4 99 03 00 c3 cc cc cc cc 0f 0b 48 8b 56 48 48 8d 46 48 48 39 c2 74 be <0f> 0b 48 8b 56 58 48 8d 46 58 48 39 c2 74 bc 0f 0b 48 8b 56 68 48
[ 307.670673][ T3954] RSP: 0018:ffa000000b187ce0 EFLAGS: 00010206
[ 307.676902][ T3954] RAX: ff110001498131b0 RBX: ff11000149813168 RCX: 0000000000000000
[ 307.685072][ T3954] RDX: ff11000220359598 RSI: ff11000149813168 RDI: ff11000149813168
[ 307.693174][ T3954] RBP: ff11001088cca820 R08: ff11001085b73288 R09: ff11001088cca500
[ 307.701270][ T3954] R10: ffa000000b187cb0 R11: ffa000000b187cb8 R12: ff11001088cca4c0
[ 307.709374][ T3954] R13: ff11000220359560 R14: ff110001abf0e028 R15: ffa000000b187d50
[ 307.717474][ T3954] FS: 0000000000000000(0000) GS:ff11001fff4c0000(0000) knlGS:0000000000000000
[ 307.726523][ T3954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 307.733228][ T3954] CR2: 0000000000451c00 CR3: 000000207e01c005 CR4: 0000000000771ef0
[ 307.741326][ T3954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 307.749419][ T3954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 307.757510][ T3954] PKRU: 55555554
[ 307.761182][ T3954] Call Trace:
[ 307.764594][ T3954] <TASK>
[ 307.767648][ T3954] ? nfs4_free_deleg+0x68/0xb0 [nfsd]
[ 307.773161][ T3954] ? __warn+0x81/0x130
[ 307.777344][ T3954] ? nfs4_free_deleg+0x68/0xb0 [nfsd]
[ 307.782887][ T3954] ? report_bug+0x15d/0x1b0
[ 307.787494][ T3954] ? handle_bug+0x3c/0x70
[ 307.791978][ T3954] ? exc_invalid_op+0x17/0x70
[ 307.796759][ T3954] ? asm_exc_invalid_op+0x1a/0x20
[ 307.801914][ T3954] ? nfs4_free_deleg+0x68/0xb0 [nfsd]
[ 307.807407][ T3954] nfs4_put_stid+0x6e/0xb0 [nfsd]
[ 307.812556][ T3954] nfsd4_lookup_stateid+0x11b/0x170 [nfsd]
[ 307.818482][ T3954] nfsd4_delegreturn+0xa8/0x170 [nfsd]
[ 307.824060][ T3954] nfsd4_proc_compound+0x345/0x630 [nfsd]
[ 307.829931][ T3954] nfsd_dispatch+0xfd/0x230 [nfsd]
[ 307.835155][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 307.840194][ T3954] svc_process_common+0x2f5/0x5f0
[ 307.845298][ T3954] ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
[ 307.851118][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 307.856149][ T3954] svc_process+0x131/0x170
[ 307.860636][ T3954] svc_handle_xprt+0x4b0/0x5b0
[ 307.865468][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 307.870500][ T3954] svc_recv+0x17e/0x2f0
[ 307.874720][ T3954] nfsd+0x77/0xf0 [nfsd]
[ 307.879049][ T3954] kthread+0xcd/0x130
[ 307.883087][ T3954] ? __pfx_kthread+0x10/0x10
[ 307.887722][ T3954] ret_from_fork+0x31/0x70
[ 307.892183][ T3954] ? __pfx_kthread+0x10/0x10
[ 307.896830][ T3954] ret_from_fork_asm+0x1b/0x30
[ 307.901627][ T3954] </TASK>
[ 307.904679][ T3954] ---[ end trace 0000000000000000 ]---
[ 307.910161][ T3954] ------------[ cut here ]------------
[ 307.915636][ T3954] WARNING: CPU: 43 PID: 3954 at fs/nfsd/nfs4state.c:1076 nfs4_free_deleg+0x77/0xb0 [nfsd]
[ 307.925562][ T3954] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfsd auth_rpcgss xfs dm_mod kmem device_dax nd_pmem nd_btt dax_pmem btrfs blake2b_generic xor raid6_pq libcrc32c sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl ast ahci drm_shmem_helper libahci mei_me intel_cstate ipmi_ssif ioatdma i2c_i801 acpi_ipmi libata drm_kms_helper mei intel_uncore i2c_smbus joydev intel_pch_thermal dca dax_hmem wmi ipmi_si ipmi_devintf ipmi_msghandler nfit libnvdimm acpi_pad acpi_power_meter drm fuse ip_tables
[ 307.988853][ T3954] CPU: 43 PID: 3954 Comm: nfsd Tainted: G S W 6.7.0-rc2-00157-g927562a91e48 #1
[ 307.999025][ T3954] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[ 308.010876][ T3954] RIP: 0010:nfs4_free_deleg+0x77/0xb0 [nfsd]
[ 308.016969][ T3954] Code: 48 ff 0d a4 99 03 00 c3 cc cc cc cc 0f 0b 48 8b 56 48 48 8d 46 48 48 39 c2 74 be 0f 0b 48 8b 56 58 48 8d 46 58 48 39 c2 74 bc <0f> 0b 48 8b 56 68 48 8d 46 68 48 39 c2 74 ba 0f 0b eb b6 66 66 2e
[ 308.036795][ T3954] RSP: 0018:ffa000000b187ce0 EFLAGS: 00010283
[ 308.042959][ T3954] RAX: ff110001498131c0 RBX: ff11000149813168 RCX: 0000000000000000
[ 308.050984][ T3954] RDX: ff11000149810388 RSI: ff11000149813168 RDI: ff11000149813168
[ 308.059011][ T3954] RBP: ff11001088cca820 R08: ff11001085b73288 R09: ff11001088cca500
[ 308.067036][ T3954] R10: ffa000000b187cb0 R11: ffa000000b187cb8 R12: ff11001088cca4c0
[ 308.075060][ T3954] R13: ff11000220359560 R14: ff110001abf0e028 R15: ffa000000b187d50
[ 308.083085][ T3954] FS: 0000000000000000(0000) GS:ff11001fff4c0000(0000) knlGS:0000000000000000
[ 308.092068][ T3954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 308.098710][ T3954] CR2: 0000000000451c00 CR3: 000000207e01c005 CR4: 0000000000771ef0
[ 308.106747][ T3954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 308.114797][ T3954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 308.122857][ T3954] PKRU: 55555554
[ 308.126471][ T3954] Call Trace:
[ 308.129852][ T3954] <TASK>
[ 308.132887][ T3954] ? nfs4_free_deleg+0x77/0xb0 [nfsd]
[ 308.138353][ T3954] ? __warn+0x81/0x130
[ 308.142486][ T3954] ? nfs4_free_deleg+0x77/0xb0 [nfsd]
[ 308.148003][ T3954] ? report_bug+0x15d/0x1b0
[ 308.152574][ T3954] ? handle_bug+0x3c/0x70
[ 308.156970][ T3954] ? exc_invalid_op+0x17/0x70
[ 308.161708][ T3954] ? asm_exc_invalid_op+0x1a/0x20
[ 308.166817][ T3954] ? nfs4_free_deleg+0x77/0xb0 [nfsd]
[ 308.172280][ T3954] nfs4_put_stid+0x6e/0xb0 [nfsd]
[ 308.177393][ T3954] nfsd4_lookup_stateid+0x11b/0x170 [nfsd]
[ 308.183290][ T3954] nfsd4_delegreturn+0xa8/0x170 [nfsd]
[ 308.188864][ T3954] nfsd4_proc_compound+0x345/0x630 [nfsd]
[ 308.194680][ T3954] nfsd_dispatch+0xfd/0x230 [nfsd]
[ 308.199925][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.204965][ T3954] svc_process_common+0x2f5/0x5f0
[ 308.210054][ T3954] ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
[ 308.215907][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.220991][ T3954] svc_process+0x131/0x170
[ 308.225468][ T3954] svc_handle_xprt+0x4b0/0x5b0
[ 308.230299][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.235327][ T3954] svc_recv+0x17e/0x2f0
[ 308.239542][ T3954] nfsd+0x77/0xf0 [nfsd]
[ 308.243909][ T3954] kthread+0xcd/0x130
[ 308.247959][ T3954] ? __pfx_kthread+0x10/0x10
[ 308.252594][ T3954] ret_from_fork+0x31/0x70
[ 308.257057][ T3954] ? __pfx_kthread+0x10/0x10
[ 308.261686][ T3954] ret_from_fork_asm+0x1b/0x30
[ 308.266478][ T3954] </TASK>
[ 308.269533][ T3954] ---[ end trace 0000000000000000 ]---
[ 308.275016][ T3954] ------------[ cut here ]------------
[ 308.280488][ T3954] WARNING: CPU: 43 PID: 3954 at fs/nfsd/nfs4state.c:598 put_nfs4_file+0x5c/0x70 [nfsd]
[ 308.290156][ T3954] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfsd auth_rpcgss xfs dm_mod kmem device_dax nd_pmem nd_btt dax_pmem btrfs blake2b_generic xor raid6_pq libcrc32c sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl ast ahci drm_shmem_helper libahci mei_me intel_cstate ipmi_ssif ioatdma i2c_i801 acpi_ipmi libata drm_kms_helper mei intel_uncore i2c_smbus joydev intel_pch_thermal dca dax_hmem wmi ipmi_si ipmi_devintf ipmi_msghandler nfit libnvdimm acpi_pad acpi_power_meter drm fuse ip_tables
[ 308.353356][ T3954] CPU: 43 PID: 3954 Comm: nfsd Tainted: G S W 6.7.0-rc2-00157-g927562a91e48 #1
[ 308.363522][ T3954] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[ 308.375339][ T3954] RIP: 0010:put_nfs4_file+0x5c/0x70 [nfsd]
[ 308.381204][ T3954] Code: 48 39 c2 75 29 48 8b 43 38 48 8d 7b 38 48 39 c7 75 18 48 c7 c6 90 07 48 c1 5b e9 6f 40 d4 bf be 03 00 00 00 5b e9 e4 fa 2e c0 <0f> 0b eb e4 0f 0b eb d3 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90
[ 308.401096][ T3954] RSP: 0018:ffa000000b187d00 EFLAGS: 00010206
[ 308.407207][ T3954] RAX: ff110001498131b0 RBX: ff11000220359560 RCX: 00000000000003e7
[ 308.415227][ T3954] RDX: ff110002203595a8 RSI: 00000000cccccccd RDI: ff11000220359598
[ 308.423248][ T3954] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffffc1480801
[ 308.431277][ T3954] R10: ff11000149813168 R11: 0000000000000001 R12: 0000000000000004
[ 308.439303][ T3954] R13: 000000003f270000 R14: ff110001abf0e028 R15: ffa000000b187d50
[ 308.447330][ T3954] FS: 0000000000000000(0000) GS:ff11001fff4c0000(0000) knlGS:0000000000000000
[ 308.456317][ T3954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 308.462972][ T3954] CR2: 0000000000451c00 CR3: 000000207e01c005 CR4: 0000000000771ef0
[ 308.471005][ T3954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 308.479039][ T3954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 308.487076][ T3954] PKRU: 55555554
[ 308.490692][ T3954] Call Trace:
[ 308.494048][ T3954] <TASK>
[ 308.497052][ T3954] ? put_nfs4_file+0x5c/0x70 [nfsd]
[ 308.502340][ T3954] ? __warn+0x81/0x130
[ 308.506475][ T3954] ? put_nfs4_file+0x5c/0x70 [nfsd]
[ 308.511782][ T3954] ? report_bug+0x15d/0x1b0
[ 308.516353][ T3954] ? handle_bug+0x3c/0x70
[ 308.520742][ T3954] ? exc_invalid_op+0x17/0x70
[ 308.525477][ T3954] ? asm_exc_invalid_op+0x1a/0x20
[ 308.530566][ T3954] ? __pfx_nfs4_free_deleg+0x1/0x10 [nfsd]
[ 308.536460][ T3954] ? put_nfs4_file+0x5c/0x70 [nfsd]
[ 308.541748][ T3954] nfsd4_lookup_stateid+0x11b/0x170 [nfsd]
[ 308.547655][ T3954] nfsd4_delegreturn+0xa8/0x170 [nfsd]
[ 308.553203][ T3954] nfsd4_proc_compound+0x345/0x630 [nfsd]
[ 308.559015][ T3954] nfsd_dispatch+0xfd/0x230 [nfsd]
[ 308.564223][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.569255][ T3954] svc_process_common+0x2f5/0x5f0
[ 308.574345][ T3954] ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
[ 308.580150][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.585177][ T3954] svc_process+0x131/0x170
[ 308.589661][ T3954] svc_handle_xprt+0x4b0/0x5b0
[ 308.594494][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.599521][ T3954] svc_recv+0x17e/0x2f0
[ 308.603735][ T3954] nfsd+0x77/0xf0 [nfsd]
[ 308.608074][ T3954] kthread+0xcd/0x130
[ 308.612107][ T3954] ? __pfx_kthread+0x10/0x10
[ 308.616749][ T3954] ret_from_fork+0x31/0x70
[ 308.621218][ T3954] ? __pfx_kthread+0x10/0x10
[ 308.625875][ T3954] ret_from_fork_asm+0x1b/0x30
[ 308.630667][ T3954] </TASK>
[ 308.633720][ T3954] ---[ end trace 0000000000000000 ]---
[ 308.639455][ T3954] ------------[ cut here ]------------
[ 308.644956][ T3954] refcount_t: addition on 0; use-after-free.
[ 308.651007][ T3954] WARNING: CPU: 39 PID: 3954 at lib/refcount.c:25 refcount_warn_saturate+0x9b/0x130
[ 308.660431][ T3954] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfsd auth_rpcgss xfs dm_mod kmem device_dax nd_pmem nd_btt dax_pmem btrfs blake2b_generic xor raid6_pq libcrc32c sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl ast ahci drm_shmem_helper libahci mei_me intel_cstate ipmi_ssif ioatdma i2c_i801 acpi_ipmi libata drm_kms_helper mei intel_uncore i2c_smbus joydev intel_pch_thermal dca dax_hmem wmi ipmi_si ipmi_devintf ipmi_msghandler nfit libnvdimm acpi_pad acpi_power_meter drm fuse ip_tables
[ 308.723741][ T3954] CPU: 39 PID: 3954 Comm: nfsd Tainted: G S W 6.7.0-rc2-00157-g927562a91e48 #1
[ 308.733961][ T3954] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[ 308.745793][ T3954] RIP: 0010:refcount_warn_saturate+0x9b/0x130
[ 308.751935][ T3954] Code: 01 01 e8 08 f0 98 ff 0f 0b c3 cc cc cc cc 80 3d 12 3e 9e 01 00 75 a8 48 c7 c7 c8 f7 96 82 c6 05 02 3e 9e 01 01 e8 e5 ef 98 ff <0f> 0b c3 cc cc cc cc 80 3d ee 3d 9e 01 00 75 85 48 c7 c7 f8 f7 96
[ 308.771763][ T3954] RSP: 0018:ffa000000b187c08 EFLAGS: 00010282
[ 308.777918][ T3954] RAX: 0000000000000000 RBX: ff11000149813168 RCX: 0000000000000000
[ 308.785997][ T3954] RDX: ff11001fff3ecd00 RSI: ff11001fff3e0840 RDI: ff11001fff3e0840
[ 308.794022][ T3954] RBP: ff11000220359574 R08: 0000000000000000 R09: ffa000000b187a98
[ 308.802048][ T3954] R10: 0000000000000003 R11: ffffffff82fdd6e8 R12: ff110001c8bf0870
[ 308.810073][ T3954] R13: ff11000220359560 R14: ff1100207a3ad368 R15: 000000010000c13c
[ 308.818102][ T3954] FS: 0000000000000000(0000) GS:ff11001fff3c0000(0000) knlGS:0000000000000000
[ 308.827095][ T3954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 308.833742][ T3954] CR2: 0000000000451c00 CR3: 000000108649e002 CR4: 0000000000771ef0
[ 308.841794][ T3954] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 308.849859][ T3954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 308.857943][ T3954] PKRU: 55555554
[ 308.861565][ T3954] Call Trace:
[ 308.864977][ T3954] <TASK>
[ 308.867982][ T3954] ? refcount_warn_saturate+0x9b/0x130
[ 308.873503][ T3954] ? __warn+0x81/0x130
[ 308.877639][ T3954] ? refcount_warn_saturate+0x9b/0x130
[ 308.883168][ T3954] ? report_bug+0x15d/0x1b0
[ 308.887734][ T3954] ? prb_read_valid+0x1b/0x30
[ 308.892481][ T3954] ? handle_bug+0x3c/0x70
[ 308.896911][ T3954] ? exc_invalid_op+0x17/0x70
[ 308.901651][ T3954] ? asm_exc_invalid_op+0x1a/0x20
[ 308.906739][ T3954] ? refcount_warn_saturate+0x9b/0x130
[ 308.912261][ T3954] ? refcount_warn_saturate+0x9b/0x130
[ 308.917790][ T3954] nfsd_break_deleg_cb+0x161/0x170 [nfsd]
[ 308.923605][ T3954] __break_lease+0x22f/0x6b0
[ 308.928267][ T3954] vfs_unlink+0xe0/0x2b0
[ 308.932575][ T3954] nfsd_unlink+0x18a/0x330 [nfsd]
[ 308.937699][ T3954] nfsd4_remove+0x4f/0xb0 [nfsd]
[ 308.942731][ T3954] nfsd4_proc_compound+0x345/0x630 [nfsd]
[ 308.948556][ T3954] nfsd_dispatch+0xfd/0x230 [nfsd]
[ 308.953778][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.958830][ T3954] svc_process_common+0x2f5/0x5f0
[ 308.963971][ T3954] ? __pfx_nfsd_dispatch+0x10/0x10 [nfsd]
[ 308.969797][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.974845][ T3954] svc_process+0x131/0x170
[ 308.979320][ T3954] svc_handle_xprt+0x4b0/0x5b0
[ 308.984138][ T3954] ? __pfx_nfsd+0x10/0x10 [nfsd]
[ 308.989149][ T3954] svc_recv+0x17e/0x2f0
[ 308.993347][ T3954] nfsd+0x77/0xf0 [nfsd]
[ 308.997647][ T3954] kthread+0xcd/0x130
[ 309.001664][ T3954] ? __pfx_kthread+0x10/0x10
[ 309.006277][ T3954] ret_from_fork+0x31/0x70
[ 309.010720][ T3954] ? __pfx_kthread+0x10/0x10
[ 309.015325][ T3954] ret_from_fork_asm+0x1b/0x30
[ 309.020109][ T3954] </TASK>
[ 309.023141][ T3954] ---[ end trace 0000000000000000 ]---
[ 400.427843][ T786] list_del corruption. prev->next should be ff110001498131b0, but was ff1100108544ea60. (prev=ff11000220359598)
[ 400.439548][ T786] ------------[ cut here ]------------
[ 400.444876][ T786] kernel BUG at lib/list_debug.c:62!
[ 400.450034][ T786] invalid opcode: 0000 [#1] SMP NOPTI
[ 400.455266][ T786] CPU: 4 PID: 786 Comm: kworker/u257:1 Tainted: G S W 6.7.0-rc2-00157-g927562a91e48 #1
[ 400.465964][ T786] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[ 400.477438][ T786] Workqueue: nfsd4 laundromat_main [nfsd]
[ 400.483084][ T786] RIP: 0010:__list_del_entry_valid_or_report+0xa7/0xf0
[ 400.489791][ T786] Code: a1 ff 0f 0b 48 89 fe 48 89 ca 48 c7 c7 c8 02 97 82 e8 ed 20 a1 ff 0f 0b 48 89 fe 48 89 c2 48 c7 c7 00 03 97 82 e8 d9 20 a1 ff <0f> 0b 48 89 d1 48 c7 c7 50 03 97 82 48 89 f2 48 89 c6 e8 c2 20 a1
[ 400.509242][ T786] RSP: 0018:ffa000000890fdb0 EFLAGS: 00010246
[ 400.515165][ T786] RAX: 000000000000006d RBX: ff11000149813168 RCX: 0000000000000000
[ 400.522992][ T786] RDX: 0000000000000000 RSI: ff1100103f320840 RDI: ff1100103f320840
[ 400.530820][ T786] RBP: ff11000220359574 R08: 0000000000000000 R09: ffa000000890fc58
[ 400.538652][ T786] R10: 0000000000000003 R11: ffffffff82fdd6e8 R12: ff110001498131b0
[ 400.546478][ T786] R13: ff110001498131d0 R14: ff1100012079c4b0 R15: ff1100012079c4b0
[ 400.554307][ T786] FS: 0000000000000000(0000) GS:ff1100103f300000(0000) knlGS:0000000000000000
[ 400.563093][ T786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 400.569538][ T786] CR2: 0000000000451c00 CR3: 000000207e01c002 CR4: 0000000000771ef0
[ 400.577366][ T786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 400.585191][ T786] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 400.593018][ T786] PKRU: 55555554
[ 400.596420][ T786] Call Trace:
[ 400.599569][ T786] <TASK>
[ 400.602365][ T786] ? die+0x36/0xb0
[ 400.605945][ T786] ? do_trap+0xda/0x130
[ 400.609959][ T786] ? __list_del_entry_valid_or_report+0xa7/0xf0
[ 400.616053][ T786] ? do_error_trap+0x65/0xb0
[ 400.620497][ T786] ? __list_del_entry_valid_or_report+0xa7/0xf0
[ 400.626592][ T786] ? exc_invalid_op+0x50/0x70
[ 400.631131][ T786] ? __list_del_entry_valid_or_report+0xa7/0xf0
[ 400.637223][ T786] ? asm_exc_invalid_op+0x1a/0x20
[ 400.642102][ T786] ? __list_del_entry_valid_or_report+0xa7/0xf0
[ 400.648198][ T786] unhash_delegation_locked+0xb1/0x130 [nfsd]
[ 400.654153][ T786] nfs4_laundromat+0x54c/0x670 [nfsd]
[ 400.659409][ T786] laundromat_main+0x19/0x70 [nfsd]
[ 400.664497][ T786] process_one_work+0x173/0x330
[ 400.669211][ T786] worker_thread+0x27f/0x3b0
[ 400.673658][ T786] ? __pfx_worker_thread+0x10/0x10
[ 400.678625][ T786] kthread+0xcd/0x130
[ 400.682469][ T786] ? __pfx_kthread+0x10/0x10
[ 400.686918][ T786] ret_from_fork+0x31/0x70
[ 400.691188][ T786] ? __pfx_kthread+0x10/0x10
[ 400.695893][ T786] ret_from_fork_asm+0x1b/0x30
[ 400.700743][ T786] </TASK>
[ 400.703858][ T786] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfsd auth_rpcgss xfs dm_mod kmem device_dax nd_pmem nd_btt dax_pmem btrfs blake2b_generic xor raid6_pq libcrc32c sd_mod t10_pi crc64_rocksoft_generic crc64_rocksoft crc64 sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 rapl ast ahci drm_shmem_helper libahci mei_me intel_cstate ipmi_ssif ioatdma i2c_i801 acpi_ipmi libata drm_kms_helper mei intel_uncore i2c_smbus joydev intel_pch_thermal dca dax_hmem wmi ipmi_si ipmi_devintf ipmi_msghandler nfit libnvdimm acpi_pad acpi_power_meter drm fuse ip_tables
[ 400.767434][ T786] ---[ end trace 0000000000000000 ]---
[ 400.783218][ T786] pstore: backend (erst) writing error (-28)
[ 400.789259][ T786] RIP: 0010:__list_del_entry_valid_or_report+0xa7/0xf0
[ 400.796164][ T786] Code: a1 ff 0f 0b 48 89 fe 48 89 ca 48 c7 c7 c8 02 97 82 e8 ed 20 a1 ff 0f 0b 48 89 fe 48 89 c2 48 c7 c7 00 03 97 82 e8 d9 20 a1 ff <0f> 0b 48 89 d1 48 c7 c7 50 03 97 82 48 89 f2 48 89 c6 e8 c2 20 a1
[ 400.816092][ T786] RSP: 0018:ffa000000890fdb0 EFLAGS: 00010246
[ 400.822214][ T786] RAX: 000000000000006d RBX: ff11000149813168 RCX: 0000000000000000
[ 400.830249][ T786] RDX: 0000000000000000 RSI: ff1100103f320840 RDI: ff1100103f320840
[ 400.838278][ T786] RBP: ff11000220359574 R08: 0000000000000000 R09: ffa000000890fc58
[ 400.846304][ T786] R10: 0000000000000003 R11: ffffffff82fdd6e8 R12: ff110001498131b0
[ 400.854330][ T786] R13: ff110001498131d0 R14: ff1100012079c4b0 R15: ff1100012079c4b0
[ 400.862357][ T786] FS: 0000000000000000(0000) GS:ff1100103f300000(0000) knlGS:0000000000000000
[ 400.871346][ T786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 400.877996][ T786] CR2: 0000000000451c00 CR3: 000000207e01c002 CR4: 0000000000771ef0
[ 400.886025][ T786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 400.894049][ T786] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 400.902072][ T786] PKRU: 55555554
[ 400.905677][ T786] Kernel panic - not syncing: Fatal exception
[ 400.957082][ T786] Kernel Offset: disabled
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
