]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
scsi: sg: Do not sleep in atomic context
authorBart Van Assche <bvanassche@acm.org>
Thu, 13 Nov 2025 18:16:43 +0000 (10:16 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Dec 2025 11:45:20 +0000 (12:45 +0100)
commit11eeee00c94d770d4e45364060b5f1526dfe567b
tree3d9c472a719197230f0462744b560c935abad9f7
parent7bfd959187f2c7584bb43280bbc7b2846e7a5085
scsi: sg: Do not sleep in atomic context

commit 90449f2d1e1f020835cba5417234636937dd657e upstream.

sg_finish_rem_req() calls blk_rq_unmap_user(). The latter function may
sleep. Hence, call sg_finish_rem_req() with interrupts enabled instead
of disabled.

Reported-by: syzbot+c01f8e6e73f20459912e@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/linux-scsi/691560c4.a70a0220.3124cb.001a.GAE@google.com/
Cc: Hannes Reinecke <hare@suse.de>
Cc: stable@vger.kernel.org
Fixes: 97d27b0dd015 ("scsi: sg: close race condition in sg_remove_sfp_usercontext()")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20251113181643.1108973-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/scsi/sg.c