6.6-stable patches

added patches:
	scsi-qla2xxx-fix-bsg_done-causing-double-free.patch
	series

diff --git a/queue-6.6/scsi-qla2xxx-fix-bsg_done-causing-double-free.patch b/queue-6.6/scsi-qla2xxx-fix-bsg_done-causing-double-free.patch
new file mode 100644 (file)
index 0000000..391f962
--- /dev/null
+++ b/queue-6.6/scsi-qla2xxx-fix-bsg_done-causing-double-free.patch
@@ -0,0 +1,132 @@
+From c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0 Mon Sep 17 00:00:00 2001
+From: Anil Gurumurthy <agurumurthy@marvell.com>
+Date: Wed, 10 Dec 2025 15:46:03 +0530
+Subject: scsi: qla2xxx: Fix bsg_done() causing double free
+
+From: Anil Gurumurthy <agurumurthy@marvell.com>
+
+commit c2c68225b1456f4d0d393b5a8778d51bb0d5b1d0 upstream.
+
+Kernel panic observed on system,
+
+[5353358.825191] BUG: unable to handle page fault for address: ff5f5e897b024000
+[5353358.825194] #PF: supervisor write access in kernel mode
+[5353358.825195] #PF: error_code(0x0002) - not-present page
+[5353358.825196] PGD 100006067 P4D 0
+[5353358.825198] Oops: 0002 [#1] PREEMPT SMP NOPTI
+[5353358.825200] CPU: 5 PID: 2132085 Comm: qlafwupdate.sub Kdump: loaded Tainted: G        W    L    -------  ---  5.14.0-503.34.1.el9_5.x86_64 #1
+[5353358.825203] Hardware name: HPE ProLiant DL360 Gen11/ProLiant DL360 Gen11, BIOS 2.44 01/17/2025
+[5353358.825204] RIP: 0010:memcpy_erms+0x6/0x10
+[5353358.825211] RSP: 0018:ff591da8f4f6b710 EFLAGS: 00010246
+[5353358.825212] RAX: ff5f5e897b024000 RBX: 0000000000007090 RCX: 0000000000001000
+[5353358.825213] RDX: 0000000000001000 RSI: ff591da8f4fed090 RDI: ff5f5e897b024000
+[5353358.825214] RBP: 0000000000010000 R08: ff5f5e897b024000 R09: 0000000000000000
+[5353358.825215] R10: ff46cf8c40517000 R11: 0000000000000001 R12: 0000000000008090
+[5353358.825216] R13: ff591da8f4f6b720 R14: 0000000000001000 R15: 0000000000000000
+[5353358.825218] FS:  00007f1e88d47740(0000) GS:ff46cf935f940000(0000) knlGS:0000000000000000
+[5353358.825219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[5353358.825220] CR2: ff5f5e897b024000 CR3: 0000000231532004 CR4: 0000000000771ef0
+[5353358.825221] PKRU: 55555554
+[5353358.825222] Call Trace:
+[5353358.825223]  <TASK>
+[5353358.825224]  ? show_trace_log_lvl+0x1c4/0x2df
+[5353358.825229]  ? show_trace_log_lvl+0x1c4/0x2df
+[5353358.825232]  ? sg_copy_buffer+0xc8/0x110
+[5353358.825236]  ? __die_body.cold+0x8/0xd
+[5353358.825238]  ? page_fault_oops+0x134/0x170
+[5353358.825242]  ? kernelmode_fixup_or_oops+0x84/0x110
+[5353358.825244]  ? exc_page_fault+0xa8/0x150
+[5353358.825247]  ? asm_exc_page_fault+0x22/0x30
+[5353358.825252]  ? memcpy_erms+0x6/0x10
+[5353358.825253]  sg_copy_buffer+0xc8/0x110
+[5353358.825259]  qla2x00_process_vendor_specific+0x652/0x1320 [qla2xxx]
+[5353358.825317]  qla24xx_bsg_request+0x1b2/0x2d0 [qla2xxx]
+
+Most routines in qla_bsg.c call bsg_done() only for success cases.
+However a few invoke it for failure case as well leading to a double
+free. Validate before calling bsg_done().
+
+Cc: stable@vger.kernel.org
+Signed-off-by: Anil Gurumurthy <agurumurthy@marvell.com>
+Signed-off-by: Nilesh Javali <njavali@marvell.com>
+Reviewed-by: Himanshu Madhani <hmadhani2024@gmail.com>
+Link: https://patch.msgid.link/20251210101604.431868-12-njavali@marvell.com
+Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
+Signed-off-by: Sasha Levin <sashal@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/scsi/qla2xxx/qla_bsg.c |   28 +++++++++++++++++-----------
+ 1 file changed, 17 insertions(+), 11 deletions(-)
+
+--- a/drivers/scsi/qla2xxx/qla_bsg.c
++++ b/drivers/scsi/qla2xxx/qla_bsg.c
+@@ -1546,8 +1546,9 @@ qla2x00_update_optrom(struct bsg_job *bs
+       ha->optrom_buffer = NULL;
+       ha->optrom_state = QLA_SWAITING;
+       mutex_unlock(&ha->optrom_mutex);
+-      bsg_job_done(bsg_job, bsg_reply->result,
+-                     bsg_reply->reply_payload_rcv_len);
++      if (!rval)
++              bsg_job_done(bsg_job, bsg_reply->result,
++                           bsg_reply->reply_payload_rcv_len);
+       return rval;
+ }
+ 
+@@ -2612,8 +2613,9 @@ qla2x00_manage_host_stats(struct bsg_job
+                                   sizeof(struct ql_vnd_mng_host_stats_resp));
+ 
+       bsg_reply->result = DID_OK;
+-      bsg_job_done(bsg_job, bsg_reply->result,
+-                   bsg_reply->reply_payload_rcv_len);
++      if (!ret)
++              bsg_job_done(bsg_job, bsg_reply->result,
++                           bsg_reply->reply_payload_rcv_len);
+ 
+       return ret;
+ }
+@@ -2702,8 +2704,9 @@ qla2x00_get_host_stats(struct bsg_job *b
+                                                              bsg_job->reply_payload.sg_cnt,
+                                                              data, response_len);
+       bsg_reply->result = DID_OK;
+-      bsg_job_done(bsg_job, bsg_reply->result,
+-                   bsg_reply->reply_payload_rcv_len);
++      if (!ret)
++              bsg_job_done(bsg_job, bsg_reply->result,
++                           bsg_reply->reply_payload_rcv_len);
+ 
+       kfree(data);
+ host_stat_out:
+@@ -2802,8 +2805,9 @@ reply:
+                                   bsg_job->reply_payload.sg_cnt, data,
+                                   response_len);
+       bsg_reply->result = DID_OK;
+-      bsg_job_done(bsg_job, bsg_reply->result,
+-                   bsg_reply->reply_payload_rcv_len);
++      if (!ret)
++              bsg_job_done(bsg_job, bsg_reply->result,
++                           bsg_reply->reply_payload_rcv_len);
+ 
+ tgt_stat_out:
+       kfree(data);
+@@ -2864,8 +2868,9 @@ qla2x00_manage_host_port(struct bsg_job
+                                   bsg_job->reply_payload.sg_cnt, &rsp_data,
+                                   sizeof(struct ql_vnd_mng_host_port_resp));
+       bsg_reply->result = DID_OK;
+-      bsg_job_done(bsg_job, bsg_reply->result,
+-                   bsg_reply->reply_payload_rcv_len);
++      if (!ret)
++              bsg_job_done(bsg_job, bsg_reply->result,
++                           bsg_reply->reply_payload_rcv_len);
+ 
+       return ret;
+ }
+@@ -3240,7 +3245,8 @@ int qla2x00_mailbox_passthru(struct bsg_
+ 
+       bsg_job->reply_len = sizeof(*bsg_job->reply);
+       bsg_reply->result = DID_OK << 16;
+-      bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len);
++      if (!ret)
++              bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len);
+ 
+       kfree(req_data);
+ 

diff --git a/queue-6.6/series b/queue-6.6/series
new file mode 100644 (file)
index 0000000..40eb452
--- /dev/null
+++ b/queue-6.6/series
@@ -0,0 +1 @@
+scsi-qla2xxx-fix-bsg_done-causing-double-free.patch