syzbot

BUG: sleeping function called from invalid context at ./include/linux/pagemap.h:1135
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 9, name: kworker/0:0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by kworker/0:0/9:
 #0: ffff88801b480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
 #1: ffffc900000e7d18 ((work_completion)(&sfp->ew.work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
 #2: ffff888067edc080 (&sfp->rq_list_lock){..-.}-{3:3}, at: sg_remove_sfp_usercontext+0x81/0x590 drivers/scsi/sg.c:2210
irq event stamp: 337752
hardirqs last  enabled at (337751): [<ffffffff8b728bb3>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (337751): [<ffffffff8b728bb3>] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202
hardirqs last disabled at (337752): [<ffffffff8b729052>] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:184 [inline]
hardirqs last disabled at (337752): [<ffffffff8b729052>] _raw_write_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:318
softirqs last  enabled at (337720): [<ffffffff817ccdee>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (337720): [<ffffffff817ccdee>] handle_softirqs+0x5be/0x8e0 kernel/softirq.c:607
softirqs last disabled at (337695): [<ffffffff817cd712>] do_softirq kernel/softirq.c:480 [inline]
softirqs last disabled at (337695): [<ffffffff817cd712>] do_softirq+0xb2/0xf0 kernel/softirq.c:467
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.15.0-rc1-syzkaller-00060-ga24588245776 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events sg_remove_sfp_usercontext
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 __might_resched+0x3c0/0x5e0 kernel/sched/core.c:8818
 folio_lock include/linux/pagemap.h:1135 [inline]
 __bio_release_pages+0x312/0x3b0 block/bio.c:1069
 bio_release_pages include/linux/bio.h:441 [inline]
 blk_rq_unmap_user+0x3be/0x980 block/blk-map.c:675
 sg_finish_rem_req+0xde/0x590 drivers/scsi/sg.c:1837
 sg_remove_sfp_usercontext+0x103/0x590 drivers/scsi/sg.c:2213
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>