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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.822919] BUG: kernel NULL pointer dereference, address: 0000000000000402
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.828988] #PF: supervisor read access in kernel mode
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.832840] #PF: error_code(0x0000) - not-present page
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.836707] PGD 0 P4D 0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.838884] Oops: 0000 [#1] SMP PTI
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.841777] CPU: 4 PID: 2159765 Comm: php-fpm7.1 Not tainted 5.13.0-1031-azure #37~20.04.1-Ubuntu
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.848266] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008 12/07/2018
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.855101] RIP: 0010:netfs_rreq_assess+0x3db/0x730 [netfs]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.859309] Code: 6f 03 00 00 49 8d 44 24 48 4c 8b 45 88 45 31 c9 45 31 ff 48 89 45 98 4c 89 e0 45 89 cc 4c 89 ad 78 ff ff ff 49 89 c1 4d 89 c5 <48> 8b 17 48 8b 47 20 48 2b 45 90 48 c1 ea 10 c1 e0 0c 83 e2 01 80
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.875617] RSP: 0018:ffffafb1c84a38e8 EFLAGS: 00010246
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.879652] RAX: ffff90f7e34a9f00 RBX: ffff90f839991ae0 RCX: 0000000000000002
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.884411] RDX: 0000000000000000 RSI: ffff90f80146eb58 RDI: 0000000000000402
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.889093] RBP: ffffafb1c84a3970 R08: 0000000000000000 R09: ffff90f7e34a9f00
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.894026] R10: ffffffffb0606a58 R11: 0000000000000000 R12: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.899006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.904044] FS: 00007f8d81e815c0(0000) GS:ffff90fe23d00000(0000) knlGS:0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.910629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.914539] CR2: 0000000000000402 CR3: 00000002eb4d4006 CR4: 00000000003706e0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.919517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.924972] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.929894] Call Trace:
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.931879] <TASK>
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.933481] netfs_readpage+0x180/0x390 [netfs]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.936685] ? init_wait_var_entry+0x50/0x50
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.940225] ceph_readpage+0x12c/0x180 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.943921] filemap_read_page.isra.0+0x4e/0x380
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.947771] ? scan_shadow_nodes+0x30/0x30
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.950753] ? lru_cache_add+0x47/0x70
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.955260] filemap_get_pages+0x36a/0x570
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.957623] filemap_read+0xbb/0x3c0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.959718] ? ceph_get_caps+0xf6/0x5d0 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.962763] ? schedule_timeout+0x202/0x290
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.965309] generic_file_read_iter+0xe2/0x140
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.968650] ceph_read_iter+0x182/0x6a0 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.971317] ? _copy_to_user+0x20/0x30
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.973859] new_sync_read+0x110/0x1a0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.976228] ? ceph_direct_read_write+0x9c0/0x9c0 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.979500] ? new_sync_read+0x110/0x1a0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.985191] vfs_read+0xfe/0x190
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.987329] ksys_pread64+0x6d/0xa0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.990210] __x64_sys_pread64+0x1e/0x20
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.992778] do_syscall_64+0x61/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.995094] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141483.997379] ? syscall_exit_to_user_mode+0x17/0x40
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.001021] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.004328] ? syscall_exit_to_user_mode+0x17/0x40
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.008376] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.011563] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.014579] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.017361] ? sysvec_hyperv_stimer0+0x4e/0x90
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.020667] ? asm_sysvec_hyperv_stimer0+0xa/0x20
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.024946] entry_SYSCALL_64_after_hwframe+0x44/0xae
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.028821] RIP: 0033:0x7f8d83ff01af
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.031663] Code: 08 89 3c 24 48 89 4c 24 18 e8 4d 84 f8 ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 11 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2d 44 89 c7 48 89 04 24 e8 7d 84 f8 ff 48 8b
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.047894] RSP: 002b:00007ffccfa40e40 EFLAGS: 00000293 ORIG_RAX: 0000000000000011
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.053501] RAX: ffffffffffffffda RBX: 00007ffccfa40f40 RCX: 00007f8d83ff01af
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.058511] RDX: 0000000000011702 RSI: 00007f8d81ddb018 RDI: 0000000000000006
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.064097] RBP: 00007f8d81dcaf30 R08: 0000000000000000 R09: 00007f8d81c00000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.069525] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.074146] R13: 0000000000011702 R14: 00007f8d81c13560 R15: 00007f8d63813ef0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.078947] </TASK>
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.080705] Modules linked in: iptable_filter binfmt_misc ceph libceph fscache netfs nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua mlx5_ib ib_uverbs ib_core mlx5_core tls psample mlxfw xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c xt_owner iptable_security xt_tcpudp bpfilter joydev hid_generic crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd hid_hyperv hv_netvsc hid hv_balloon hv_utils hyperv_keyboard serio_raw hyperv_fb pata_acpi sch_fq_codel ipmi_devintf ipmi_msghandler msr drm i2c_core ip_tables x_tables autofs4
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.120304] CR2: 0000000000000402
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.124374] ---[ end trace cb03a5e9c52eb1e9 ]---
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.128647] RIP: 0010:netfs_rreq_assess+0x3db/0x730 [netfs]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.132893] Code: 6f 03 00 00 49 8d 44 24 48 4c 8b 45 88 45 31 c9 45 31 ff 48 89 45 98 4c 89 e0 45 89 cc 4c 89 ad 78 ff ff ff 49 89 c1 4d 89 c5 <48> 8b 17 48 8b 47 20 48 2b 45 90 48 c1 ea 10 c1 e0 0c 83 e2 01 80
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.149385] RSP: 0018:ffffafb1c84a38e8 EFLAGS: 00010246
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.153693] RAX: ffff90f7e34a9f00 RBX: ffff90f839991ae0 RCX: 0000000000000002
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.160041] RDX: 0000000000000000 RSI: ffff90f80146eb58 RDI: 0000000000000402
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.166756] RBP: ffffafb1c84a3970 R08: 0000000000000000 R09: ffff90f7e34a9f00
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.172196] R10: ffffffffb0606a58 R11: 0000000000000000 R12: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.178187] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.183952] FS: 00007f8d81e815c0(0000) GS:ffff90fe23d00000(0000) knlGS:0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.190221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.195561] CR2: 0000000000000402 CR3: 00000002eb4d4006 CR4: 00000000003706e0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.201397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.207581] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.220824] ------------[ cut here ]------------
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.224620] WARNING: CPU: 1 PID: 2159765 at fs/ceph/file.c:829 ceph_release+0x12c/0x150 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.230373] Modules linked in: iptable_filter binfmt_misc ceph libceph fscache netfs nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua mlx5_ib ib_uverbs ib_core mlx5_core tls psample mlxfw xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c xt_owner iptable_security xt_tcpudp bpfilter joydev hid_generic crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd hid_hyperv hv_netvsc hid hv_balloon hv_utils hyperv_keyboard serio_raw hyperv_fb pata_acpi sch_fq_codel ipmi_devintf ipmi_msghandler msr drm i2c_core ip_tables x_tables autofs4
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.265289] CPU: 1 PID: 2159765 Comm: php-fpm7.1 Tainted: G D 5.13.0-1031-azure #37~20.04.1-Ubuntu
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.272484] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008 12/07/2018
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.278842] RIP: 0010:ceph_release+0x12c/0x150 [ceph]
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.282452] Code: 04 00 4c 89 e6 e8 b4 93 66 ee e9 57 ff ff ff 48 89 fa 48 c7 c6 60 21 8a c0 48 c7 c7 30 8d 8b c0 e8 09 88 94 ee e9 77 ff ff ff <0f> 0b e9 14 ff ff ff e8 18 02 02 00 eb af 0f 0b e9 75 ff ff ff be
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.294737] RSP: 0018:ffffafb1c84a3e48 EFLAGS: 00010212
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.298763] RAX: ffff90f790fbe988 RBX: ffff90f8baab25b0 RCX: ffff90f7c3fa1300
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.303842] RDX: ffffafb1c84a3cf0 RSI: ffff90f7c3fa1300 RDI: ffff90f8baab25b0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.308959] RBP: ffffafb1c84a3e60 R08: 0000000000000001 R09: ffff90f8baab2260
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.313981] R10: 0000000000000000 R11: 0000000000000000 R12: ffff90f790fbe980
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.319407] R13: ffff90f8baab2250 R14: ffff90f7916c7ce0 R15: ffff90f8b81e1cc0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.324692] FS: 0000000000000000(0000) GS:ffff90fe23c40000(0000) knlGS:0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.331013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.335234] CR2: 0000559d2e289200 CR3: 0000000319610004 CR4: 00000000003706e0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.340390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.346246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.351853] Call Trace:
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.354190] <TASK>
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.356381] __fput+0x9f/0x250
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.358888] ____fput+0xe/0x10
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.361431] task_work_run+0x6a/0xa0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.364283] do_exit+0x371/0xad0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.366839] ? syscall_exit_to_user_mode+0x17/0x40
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.370603] ? do_syscall_64+0x6e/0xb0
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.373628] rewind_stack_do_exit+0x17/0x20
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.376949] RIP: 0033:0x7f8d83ff01af
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Jul 11 09:11:52 lms-prod-01 kernel: [1141484.379763] Code: Unable to access opcode bytes at RIP 0x7f8d83ff0185.
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.384375] RSP: 002b:00007ffccfa40e40 EFLAGS: 00000293 ORIG_RAX: 0000000000000011
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.389708] RAX: ffffffffffffffda RBX: 00007ffccfa40f40 RCX: 00007f8d83ff01af
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.394594] RDX: 0000000000011702 RSI: 00007f8d81ddb018 RDI: 0000000000000006
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.400475] RBP: 00007f8d81dcaf30 R08: 0000000000000000 R09: 00007f8d81c00000
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.405760] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.411264] R13: 0000000000011702 R14: 00007f8d81c13560 R15: 00007f8d63813ef0
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.416050] </TASK>
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Jul 11 09:11:53 lms-prod-01 kernel: [1141484.418142] ---[ end trace cb03a5e9c52eb1ea ]---
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