]> Gentwo Git Trees - linux/.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)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 20 Nov 2025 03:46:36 +0000 (22:46 -0500)
commit90449f2d1e1f020835cba5417234636937dd657e
treee44b404dbdd702e4eeac452917cda6811dc4ed34
parente6965188f84a7883e6a0d3448e86b0cf29b24dfc
scsi: sg: Do not sleep in atomic context

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>
drivers/scsi/sg.c