[bug report] Oops: general protection fault observed with blktests nvme/fc nvme/031

[Yi Zhang]

Hi

I reproduced this Oops issue with blktests nvme/fc nvme/031 on the
latest blktests nvme/fc nvme/031.
Please help check it and let me know if you need any info/test, thanks.

reproducer:
[ 5483.833251] Oops: general protection fault, probably for
non-canonical address 0x134a05bd4da73752: 0000 [#1] SMP KASAN NOPTI
[ 5483.844475] CPU: 3 UID: 0 PID: 104919 Comm: kworker/3:7 Kdump:
loaded Tainted: G W 6.19.0-rc2+ #2 PREEMPT(voluntary)
[ 5483.844485] Tainted: [W]=WARN
[ 5483.844488] Hardware name: Dell Inc. PowerEdge R6515/07PXPY, BIOS
2.21.1 09/24/2025
[ 5483.844492] Workqueue: events nvme_fc_handle_ls_rqst_work [nvme_fc]
[ 5483.873465] RIP: 0010:srso_safe_ret+0x5/0x20
[ 5483.877745] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 48 8d
64 24 08 <c3> cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f 1f 84 00
00 00
[ 5483.896492] RSP: 0018:ffffc9000d5bfb10 EFLAGS: 00010246
[ 5483.901726] RAX: 134a05bd4da73752 RBX: ffff888259a64758 RCX: 0000000000000000
[ 5483.908859] RDX: 1ffff1104b34c8ee RSI: ffff88824f116800 RDI: ffff888259a64758
[ 5483.915991] RBP: ffff88824f116940 R08: 0000000000000003 R09: 0000000000000000
[ 5483.923122] R10: ffffffffaf4ec167 R11: 6d766e20656d766e R12: 0000000000000000
[ 5483.930255] R13: ffff88825eb56800 R14: ffff88824f116800 R15: ffffffffc19f8820
[ 5483.937389] FS: 0000000000000000(0000) GS:ffff88886dcc4000(0000)
knlGS:0000000000000000
[ 5483.945483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5483.951228] CR2: 00007f8b14040e3c CR3: 0000000786678000 CR4: 0000000000350ef0
[ 5483.958361] Call Trace:
[ 5483.960814] <TASK>
[ 5483.962921] ? fcloop_t2h_xmt_ls_rsp+0x2d2/0x3d0 [nvme_fcloop]
[ 5483.968766] ? __pfx_fcloop_t2h_xmt_ls_rsp+0x10/0x10 [nvme_fcloop]
[ 5483.974948] ? nvme_fc_xmt_ls_rsp+0x156/0x1c0 [nvme_fc]
[ 5483.980191] ? nvme_fc_handle_ls_rqst_work+0x355/0x1180 [nvme_fc]
[ 5483.986294] ? rcu_is_watching+0x15/0xb0
[ 5483.990227] ? srso_return_thunk+0x5/0x5f
[ 5483.994246] ? process_one_work+0xd8b/0x1320
[ 5483.998534] ? __pfx_process_one_work+0x10/0x10
[ 5484.003073] ? srso_return_thunk+0x5/0x5f
[ 5484.007102] ? srso_return_thunk+0x5/0x5f
[ 5484.011123] ? assign_work+0x16c/0x240
[ 5484.014884] ? srso_return_thunk+0x5/0x5f
[ 5484.018910] ? worker_thread+0x5f3/0xfe0
[ 5484.022854] ? __pfx_worker_thread+0x10/0x10
[ 5484.027130] ? kthread+0x3b4/0x770
[ 5484.030544] ? __pfx_do_raw_spin_trylock+0x10/0x10
[ 5484.035344] ? srso_return_thunk+0x5/0x5f
[ 5484.039359] ? __pfx_kthread+0x10/0x10
[ 5484.043118] ? lock_acquire+0x10b/0x140
[ 5484.046959] ? calculate_sigpending+0x3d/0x90
[ 5484.051327] ? srso_return_thunk+0x5/0x5f
[ 5484.055347] ? rcu_is_watching+0x15/0xb0
[ 5484.059272] ? srso_return_thunk+0x5/0x5f
[ 5484.063285] ? __pfx_kthread+0x10/0x10
[ 5484.067042] ? ret_from_fork+0x4ce/0x710
[ 5484.070974] ? __pfx_ret_from_fork+0x10/0x10
[ 5484.075258] ? srso_return_thunk+0x5/0x5f
[ 5484.079276] ? __switch_to+0x528/0xf50
[ 5484.083037] ? __switch_to_asm+0x39/0x70
[ 5484.086972] ? __pfx_kthread+0x10/0x10
[ 5484.090734] ? ret_from_fork_asm+0x1a/0x30
[ 5484.094855] </TASK>
[ 5484.097049] Modules linked in: nvme_fcloop nvmet_fc nvmet nvme_fc
nvme_fabrics rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd
grace nfs_localio netfs platform_profile dell_wmi dell_smbios
sparse_keymap amd_atl intel_rapl_msr rfkill intel_rapl_common video
amd64_edac dcdbas edac_mce_amd kvm_amd vfat fat cdc_ether usbnet kvm
mii irqbypass mgag200 rapl wmi_bmof dell_wmi_descriptor i2c_algo_bit
pcspkr acpi_cpufreq i2c_piix4 ptdma i2c_smbus ipmi_ssif k10temp
acpi_power_meter ipmi_si acpi_ipmi ipmi_devintf ipmi_msghandler sg
loop fuse xfs sd_mod nvme ahci nvme_core libahci tg3
ghash_clmulni_intel nvme_keyring libata ccp nvme_auth mpt3sas hkdf
raid_class scsi_transport_sas sp5100_tco wmi sunrpc dm_mirror
dm_region_hash dm_log dm_mod nfnetlink [last unloaded: nvmet]



-- 
Best Regards,
  Yi Zhang