BUG: workqueue leaked atomic, lock or RCU: syz.4.280[6151] preempt=0x00000100 lock=3->0 RCU=0->0 workfn=usb_giveback_urb_bh INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 6151 Comm: syz.4.280 Not tainted 6.13.0-rc4-syzkaller-00076-gf097a36ef88d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 process_one_work+0x11e6/0x1ba0 kernel/workqueue.c:3250 process_scheduled_works kernel/workqueue.c:3310 [inline] bh_worker+0x5a4/0x8a0 kernel/workqueue.c:3570 workqueue_softirq_action+0x12c/0x190 kernel/workqueue.c:3597 tasklet_hi_action+0x17/0x70 kernel/softirq.c:842 handle_softirqs+0x206/0x8d0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xfa/0x160 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814 Code: b8 ff ff ff ff 65 0f c1 05 90 3a ca 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffffc9001327f960 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 1ffff9200264ff2d RCX: ffffffff813756de RDX: 0000000000000001 RSI: ffffffff872801e0 RDI: ffffffff874735a0 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff1f579c6 R10: ffffffff8fabce37 R11: 0000000000000002 R12: 0000000000000000 R13: ffffffff890610a0 R14: 0000000000000000 R15: 0000000000000000 fs_reclaim_acquire mm/page_alloc.c:3870 [inline] fs_reclaim_acquire+0xca/0x150 mm/page_alloc.c:3861 might_alloc include/linux/sched/mm.h:318 [inline] slab_pre_alloc_hook mm/slub.c:4070 [inline] slab_alloc_node mm/slub.c:4148 [inline] __do_kmalloc_node mm/slub.c:4297 [inline] __kmalloc_noprof+0xb1/0x4d0 mm/slub.c:4310 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] kobject_get_path+0xd9/0x2b0 lib/kobject.c:161 kobject_uevent_env+0x289/0x1870 lib/kobject_uevent.c:545 driver_bound+0x164/0x230 drivers/base/dd.c:421 really_probe+0x62b/0xa90 drivers/base/dd.c:708 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __driver_attach+0x283/0x580 drivers/base/dd.c:1216 bus_for_each_dev+0x13c/0x1d0 drivers/base/bus.c:370 bus_add_driver+0x2e9/0x690 drivers/base/bus.c:675 driver_register+0x15c/0x4b0 drivers/base/driver.c:246 usb_gadget_register_driver_owner+0x132/0x330 drivers/usb/gadget/udc/core.c:1700 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x1731/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35d465592b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007f35d2cbef10 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f35d465592b RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007f35d2cbffe0 R08: 0000000000000000 R09: 00342e6364755f79 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f35d2cbefb0 R14: 0000000020000bc0 R15: 00007f35d4970320 etas_es58x 1-1:0.219: es58x_read_bulk_callback: error -EPROTO. Device unplugged? etas_es58x 1-1:0.219: es58x_read_bulk_callback: error -EPROTO. Device unplugged? ---------------- Code disassembly (best guess): 0: b8 ff ff ff ff mov $0xffffffff,%eax 5: 65 0f c1 05 90 3a ca xadd %eax,%gs:0x7eca3a90(%rip) # 0x7eca3a9d c: 7e d: 83 f8 01 cmp $0x1,%eax 10: 0f 85 d0 01 00 00 jne 0x1e6 16: 9c pushf 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 0f 85 e5 01 00 00 jne 0x206 21: 48 85 ed test %rbp,%rbp 24: 0f 85 b6 01 00 00 jne 0x1e0 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7