usb8xxx: URB in failure status: -2 BUG: sleeping function called from invalid context at drivers/usb/core/urb.c:705 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2834, name: syslogd preempt_count: 101, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syslogd/2834. irq event stamp: 325687 hardirqs last enabled at (325686): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline] hardirqs last enabled at (325686): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194 hardirqs last disabled at (325687): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:130 [inline] hardirqs last disabled at (325687): [] _raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:162 softirqs last enabled at (325658): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (325658): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (325658): [] __irq_exit_rcu+0xed/0x150 kernel/softirq.c:723 softirqs last disabled at (325673): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (325673): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (325673): [] __irq_exit_rcu+0xed/0x150 kernel/softirq.c:723 Preemption disabled at: [] __schedule_loop kernel/sched/core.c:6992 [inline] [] schedule+0xd6/0x390 kernel/sched/core.c:7008 CPU: 0 UID: 0 PID: 2834 Comm: syslogd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 __might_resched.cold+0x1ec/0x232 kernel/sched/core.c:8888 usb_kill_urb+0x8e/0x320 drivers/usb/core/urb.c:705 usb_tx_block+0x91/0x320 drivers/net/wireless/marvell/libertas/if_usb.c:429 if_usb_send_fw_pkt.isra.0+0x2e4/0x550 drivers/net/wireless/marvell/libertas/if_usb.c:366 if_usb_receive_fwload+0x5d3/0x780 drivers/net/wireless/marvell/libertas/if_usb.c:592 __usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x50e/0xa70 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866 handle_softirqs+0x1de/0x9d0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xed/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:finish_task_switch.isra.0+0x16a/0x6b0 kernel/sched/core.c:5155 Code: 31 f6 4c 8d 7b 48 e8 c5 d5 0a 00 31 f6 48 89 df e8 cb f9 ff ff 4c 89 ff e8 83 7d e8 05 e8 1e ee 35 00 fb 49 8d be 78 15 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 5a RSP: 0018:ffffc9000140f6f0 EFLAGS: 00000206 RAX: 000000000004f827 RBX: ffff8881f5639640 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff89024ebf RDI: ffff8881163b6df8 RBP: ffffc9000140f738 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88810b73bb00 R13: 0000000000000000 R14: ffff8881163b5880 R15: ffff8881f5639688 context_switch kernel/sched/core.c:5301 [inline] __schedule+0xeb9/0x4220 kernel/sched/core.c:6911 __schedule_loop kernel/sched/core.c:6993 [inline] schedule+0xdd/0x390 kernel/sched/core.c:7008 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 __skb_wait_for_more_packets+0x383/0x610 net/core/datagram.c:123 __unix_dgram_recvmsg+0x22e/0xc30 net/unix/af_unix.c:2586 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2672 sock_recvmsg_nosec net/socket.c:1078 [inline] sock_recvmsg+0x1a4/0x1f0 net/socket.c:1100 sock_read_iter+0x2c6/0x3c0 net/socket.c:1170 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x957/0xb30 fs/read_write.c:574 ksys_read+0x1f8/0x250 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0x7b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd135c6e407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffdbc824e40 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fd135b1ec80 RCX: 00007fd135c6e407 RDX: 00000000000000ff RSI: 0000561177379300 RDI: 0000000000000000 RBP: 00005611773792c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000561177379370 R13: 0000000000000000 R14: 0000561177379300 R15: 0000561139775d98 BUG: scheduling while atomic: syslogd/2834/0x00000102 no locks held by syslogd/2834. Modules linked in: irq event stamp: 325687 hardirqs last enabled at (325686): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline] hardirqs last enabled at (325686): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194 hardirqs last disabled at (325687): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:130 [inline] hardirqs last disabled at (325687): [] _raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:162 softirqs last enabled at (325658): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (325658): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (325658): [] __irq_exit_rcu+0xed/0x150 kernel/softirq.c:723 softirqs last disabled at (325673): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (325673): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (325673): [] __irq_exit_rcu+0xed/0x150 kernel/softirq.c:723 Preemption disabled at: [] __schedule_loop kernel/sched/core.c:6992 [inline] [] schedule+0xd6/0x390 kernel/sched/core.c:7008 ---------------- Code disassembly (best guess): 0: 31 f6 xor %esi,%esi 2: 4c 8d 7b 48 lea 0x48(%rbx),%r15 6: e8 c5 d5 0a 00 call 0xad5d0 b: 31 f6 xor %esi,%esi d: 48 89 df mov %rbx,%rdi 10: e8 cb f9 ff ff call 0xfffff9e0 15: 4c 89 ff mov %r15,%rdi 18: e8 83 7d e8 05 call 0x5e87da0 1d: e8 1e ee 35 00 call 0x35ee40 22: fb sti 23: 49 8d be 78 15 00 00 lea 0x1578(%r14),%rdi * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 89 fa mov %rdi,%rdx 37: 48 c1 ea 03 shr $0x3,%rdx 3b: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 3f: 5a pop %rdx