Details
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Bug
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Resolution: Unresolved
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Minor
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None
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None
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None
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3
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9223372036854775807
Description
On Master (single node client/master) with 5.14.0-362.13.1.el9_3.x86_64. Plain venilla Rocky9.3. Running just test 77j(only manifests after fresh boot, otherwise it is not seen) gets below refcount_t warning. This is different from what Alex reported on LU-16797 will use this ticket to track Alex's report and this one below
[ 203.338271] ------------[ cut here ]------------ [ 203.338274] refcount_t: addition on 0; use-after-free. [ 203.338289] WARNING: CPU: 1 PID: 4351 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 203.341276] Modules linked in: loop dm_flakey dm_mod lustre(OE) osp(OE) ofd(OE) lod(OE) ost(OE) mdt(OE) mdd(OE) mgs(OE) osd_ldiskfs(OE) ldiskfs(OE) lquota(OE) lfsck(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) sunrpc libcfs(OE) rfkill intel_rapl_msr intel_rapl_common kvm_amd ccp kvm vmwgfx drm_ttm_helper ttm drm_kms_helper pcspkr irqbypass i2c_piix4 syscopyarea sysfillrect sysimgblt drm fuse ext4 mbcache jbd2 sd_mod sr_mod t10_pi cdrom sg ata_generic ahci crct10dif_pclmul crc32_pclmul libahci crc32c_intel ata_piix ghash_clmulni_intel libata e1000 video wmi serio_raw [ 203.349883] CPU: 1 PID: 4351 Comm: ll_ost_io00_002 Kdump: loaded Tainted: G OE ------- --- 5.14.0-362.13.1.el9_3.x86_64 #1 [ 203.352570] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 203.353977] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 203.354852] Code: 01 01 e8 0f b9 b0 ff 0f 0b e9 28 bf 66 00 80 3d 81 e0 b2 01 00 75 cb 48 c7 c7 70 97 b5 a9 c6 05 71 e0 b2 01 01 e8 ec b8 b0 ff <0f> 0b e9 05 bf 66 00 80 3d 60 e0 b2 01 00 75 a8 48 c7 c7 48 97 b5 [ 203.356648] RSP: 0018:ffff9fda409cbcd0 EFLAGS: 00010282 [ 203.357528] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027 [ 203.358473] RDX: 0000000000000027 RSI: ffffffffaa2671e0 RDI: ffff899abdd1f888 [ 203.359397] RBP: ffff899a71339900 R08: 80000000ffff826f R09: ffff9fda409cbc58 [ 203.360292] R10: 0000000000000001 R11: 000000000000002c R12: ffff899a6b115418 [ 203.361222] R13: ffff899a6d1802b8 R14: 0000000000000002 R15: ffff9fda409cbd30 [ 203.362179] FS: 0000000000000000(0000) GS:ffff899abdd00000(0000) knlGS:0000000000000000 [ 203.363117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 203.363998] CR2: 000055b2d34eb050 CR3: 0000000017bc4000 CR4: 00000000000506e0 [ 203.364896] Call Trace: [ 203.365762] <TASK> [ 203.366631] ? srso_return_thunk+0x5/0x5f [ 203.367507] ? show_trace_log_lvl+0x26e/0x2df [ 203.368352] ? show_trace_log_lvl+0x26e/0x2df [ 203.369178] ? cfs_hash_bd_lookup_intent+0x72/0xd0 [libcfs] [ 203.370033] ? refcount_warn_saturate+0x74/0x110 [ 203.370872] ? __warn+0x81/0x110 [ 203.371669] ? refcount_warn_saturate+0x74/0x110 [ 203.372466] ? report_bug+0x10a/0x140 [ 203.373256] ? handle_bug+0x3c/0x70 [ 203.374067] ? exc_invalid_op+0x14/0x70 [ 203.374843] ? asm_exc_invalid_op+0x16/0x20 [ 203.375571] ? refcount_warn_saturate+0x74/0x110 [ 203.376289] cfs_hash_bd_lookup_intent+0x72/0xd0 [libcfs] [ 203.377012] nrs_tbf_jobid_hash_lookup+0xe/0x70 [ptlrpc] [ 203.377858] nrs_tbf_jobid_cli_find+0x72/0xb0 [ptlrpc] [ 203.378677] nrs_tbf_res_get+0x41/0x550 [ptlrpc] [ 203.379455] nrs_resource_get+0x6e/0xf0 [ptlrpc] [ 203.380216] nrs_resource_get_safe+0xb0/0x170 [ptlrpc] [ 203.380954] ptlrpc_nrs_req_initialize+0x58/0xb0 [ptlrpc] [ 203.381693] ptlrpc_server_request_add+0xfa/0x600 [ptlrpc] [ 203.382452] ptlrpc_server_handle_req_in.isra.0+0x567/0xa20 [ptlrpc] [ 203.383205] ptlrpc_main+0xa35/0xfa0 [ptlrpc] [ 203.383935] ? __pfx_ptlrpc_main+0x10/0x10 [ptlrpc] [ 203.384645] kthread+0xe0/0x100 [ 203.385280] ? __pfx_kthread+0x10/0x10 [ 203.385921] ret_from_fork+0x2c/0x50 [ 203.386525] </TASK> [ 203.387115] ---[ end trace 594e1023e886cdf2 ]--- [ 203.387716] ------------[ cut here ]------------ [ 203.387720] refcount_t: saturated; leaking memory. [ 203.387742] WARNING: CPU: 0 PID: 4350 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 203.393905] Modules linked in: loop dm_flakey dm_mod lustre(OE) osp(OE) ofd(OE) lod(OE) ost(OE) mdt(OE) mdd(OE) mgs(OE) osd_ldiskfs(OE) ldiskfs(OE) lquota(OE) lfsck(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) sunrpc libcfs(OE) rfkill intel_rapl_msr intel_rapl_common kvm_amd ccp kvm vmwgfx drm_ttm_helper ttm drm_kms_helper pcspkr irqbypass i2c_piix4 syscopyarea sysfillrect sysimgblt drm fuse ext4 mbcache jbd2 sd_mod sr_mod t10_pi cdrom sg ata_generic ahci crct10dif_pclmul crc32_pclmul libahci crc32c_intel ata_piix ghash_clmulni_intel libata e1000 video wmi serio_raw [ 203.398522] CPU: 0 PID: 4350 Comm: ll_ost_io00_001 Kdump: loaded Tainted: G W OE ------- --- 5.14.0-362.13.1.el9_3.x86_64 #1 [ 203.399279] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 203.399860] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 203.400418] Code: 84 bc 00 00 00 e9 4f bf 66 00 85 f6 74 46 80 3d a5 e0 b2 01 00 75 ee 48 c7 c7 48 97 b5 a9 c6 05 95 e0 b2 01 01 e8 0f b9 b0 ff <0f> 0b e9 28 bf 66 00 80 3d 81 e0 b2 01 00 75 cb 48 c7 c7 70 97 b5 [ 203.401591] RSP: 0018:ffff9fda409c3cd0 EFLAGS: 00010282 [ 203.402667] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027 [ 203.403259] RDX: 0000000000000027 RSI: ffffffffaa2671e0 RDI: ffff899abdc1f888 [ 203.403865] RBP: ffff899a71339900 R08: 80000000ffff829e R09: ffff9fda409c3c58 [ 203.404448] R10: 0000000000000001 R11: 0000000000000028 R12: ffff899a6b115418 [ 203.405043] R13: ffff899a6d1804a0 R14: 0000000000000002 R15: ffff9fda409c3d30 [ 203.405618] FS: 0000000000000000(0000) GS:ffff899abdc00000(0000) knlGS:0000000000000000 [ 203.406409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 203.407013] CR2: 00007efd7abfd000 CR3: 0000000017bca000 CR4: 00000000000506f0 [ 203.407608] Call Trace: [ 203.408204] <TASK> [ 203.408805] ? srso_return_thunk+0x5/0x5f [ 203.409399] ? show_trace_log_lvl+0x26e/0x2df [ 203.410012] ? show_trace_log_lvl+0x26e/0x2df [ 203.410601] ? cfs_hash_bd_lookup_intent+0x72/0xd0 [libcfs] [ 203.411211] ? refcount_warn_saturate+0x51/0x110 [ 203.411813] ? __warn+0x81/0x110 [ 203.412399] ? refcount_warn_saturate+0x51/0x110 [ 203.413002] ? report_bug+0x10a/0x140 [ 203.413600] ? handle_bug+0x3c/0x70 [ 203.414221] ? exc_invalid_op+0x14/0x70 [ 203.414822] ? asm_exc_invalid_op+0x16/0x20 [ 203.415415] ? refcount_warn_saturate+0x51/0x110 [ 203.416015] cfs_hash_bd_lookup_intent+0x72/0xd0 [libcfs] [ 203.416619] nrs_tbf_jobid_hash_lookup+0xe/0x70 [ptlrpc] [ 203.417479] nrs_tbf_jobid_cli_find+0x72/0xb0 [ptlrpc] [ 203.418257] nrs_tbf_res_get+0x41/0x550 [ptlrpc] [ 203.418960] nrs_resource_get+0x6e/0xf0 [ptlrpc] [ 203.419642] nrs_resource_get_safe+0xb0/0x170 [ptlrpc] [ 203.420329] ptlrpc_nrs_req_initialize+0x58/0xb0 [ptlrpc] [ 203.420997] ptlrpc_server_request_add+0xfa/0x600 [ptlrpc] [ 203.421710] ptlrpc_server_handle_req_in.isra.0+0x567/0xa20 [ptlrpc] [ 203.422390] ptlrpc_main+0xa35/0xfa0 [ptlrpc] [ 203.423057] ? __pfx_ptlrpc_main+0x10/0x10 [ptlrpc] [ 203.423751] kthread+0xe0/0x100 [ 203.424362] ? __pfx_kthread+0x10/0x10 [ 203.424953] ret_from_fork+0x2c/0x50 [ 203.425545] </TASK> [ 203.426166] ---[ end trace 594e1023e886cdf3 ]---
Attachments
Issue Links
- is related to
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LU-16796 Replace LASSERT_ATOMIC_* (atomic_t) with reference counters (refcount)
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- Open
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