BUG: sleeping function called from invalid context at ./include/linux/pagemap.h:1139 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 5887, name: kworker/0:4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by kworker/0:4/5887: #0: ffff88813ff15948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3238 #1: ffffc9000421fd00 ((work_completion)(&sfp->ew.work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3239 #2: ffff88807e360080 (&sfp->rq_list_lock){..-.}-{3:3}, at: sg_remove_sfp_usercontext+0x81/0x590 drivers/scsi/sg.c:2208 irq event stamp: 7963400 hardirqs last enabled at (7963399): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (7963399): [] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 hardirqs last disabled at (7963400): [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:184 [inline] hardirqs last disabled at (7963400): [] _raw_write_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:318 softirqs last enabled at (7963284): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (7963284): [] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] softirqs last enabled at (7963284): [] wg_packet_handshake_receive_worker+0x251/0x380 drivers/net/wireguard/receive.c:212 softirqs last disabled at (7963282): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (7963282): [] ptr_ring_consume_bh include/linux/ptr_ring.h:375 [inline] softirqs last disabled at (7963282): [] wg_packet_handshake_receive_worker+0x1b4/0x380 drivers/net/wireguard/receive.c:212 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 5887 Comm: kworker/0:4 Tainted: G U W L XTNJ syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [W]=WARN, [L]=SOFTLOCKUP, [X]=AUX, [T]=RANDSTRUCT, [N]=TEST, [J]=FWCTL Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: events sg_remove_sfp_usercontext Call Trace: __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:8927 folio_lock include/linux/pagemap.h:1139 [inline] __bio_release_pages+0x312/0x3b0 block/bio.c:1147 bio_release_pages include/linux/bio.h:472 [inline] blk_rq_unmap_user+0x3be/0x980 block/blk-map.c:639 sg_finish_rem_req+0xde/0x590 drivers/scsi/sg.c:1835 sg_remove_sfp_usercontext+0x103/0x590 drivers/scsi/sg.c:2211 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245