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| author | Maurizio Lombardi <mlombard@redhat.com> | 2021-02-08 14:17:34 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-02-09 05:51:25 +0300 |
| commit | f852c596f2ee6f0eb364ea8f28f89da6da0ae7b5 (patch) | |
| tree | 40e43dc8d0da1cb49aacc2258a1d076974789291 /drivers | |
| parent | 8c65830ae1629b03e5d65e9aafae7e2cf5f8b743 (diff) | |
| download | linux-f852c596f2ee6f0eb364ea8f28f89da6da0ae7b5.tar.xz | |
scsi: scsi_debug: Fix a memory leak
The sdebug_q_arr pointer must be freed when the module is unloaded.
$ cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff888e1cfb0000 (size 4096):
comm "modprobe", pid 165555, jiffies 4325987516 (age 685.194s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000458f4f5d>] 0xffffffffc06702d9
[<000000003edc4b1f>] do_one_initcall+0xe9/0x57d
[<00000000da7d518c>] do_init_module+0x1d1/0x6f0
[<000000009a6a9248>] load_module+0x36bd/0x4f50
[<00000000ddb0c3ce>] __do_sys_init_module+0x1db/0x260
[<000000009532db57>] do_syscall_64+0xa5/0x420
[<000000002916b13d>] entry_SYSCALL_64_after_hwframe+0x6a/0xdf
Fixes: 87c715dcde63 ("scsi: scsi_debug: Add per_host_store option")
Link: https://lore.kernel.org/r/20210208111734.34034-1-mlombard@redhat.com
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 4a08c450b756..b6540b92f566 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -6881,6 +6881,7 @@ static void __exit scsi_debug_exit(void) sdebug_erase_all_stores(false); xa_destroy(per_store_ap); + kfree(sdebug_q_arr); } device_initcall(scsi_debug_init); |