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11/18/25 2:42 AM, Ваторопин Андрей wrote: > From: Andrey Vatoropin > > If allocation of cmd->t_task_cdb fails, it remains NULL but is later > dereferenced at the 'err' path. > > In case of error reset NULL t_task_cdb value to point at the default > fixed-size buffer. > > Found by Linux Verification Center (linuxtesting.org) with SVACE. > > Fixes: 9e95fb805dc0 ("scsi: target: Fix NULL pointer dereference") > Cc: stable@vger.kernel.org > Signed-off-by: Andrey Vatoropin > --- > drivers/target/target_core_transport.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c > index 0a76bdfe5528..88544c911949 100644 > --- a/drivers/target/target_core_transport.c > +++ b/drivers/target/target_core_transport.c > @@ -1524,6 +1524,7 @@ target_cmd_init_cdb(struct se_cmd *cmd, unsigned char *cdb, gfp_t gfp) > if (scsi_command_size(cdb) > sizeof(cmd->__t_task_cdb)) { > cmd->t_task_cdb = kzalloc(scsi_command_size(cdb), gfp); > if (!cmd->t_task_cdb) { > + cmd->t_task_cdb = &cmd->__t_task_cdb[0]; > pr_err("Unable to allocate cmd->t_task_cdb" > " %u > sizeof(cmd->__t_task_cdb): %lu ops\n", > scsi_command_size(cdb), Reviewed-by: Mike Christie