------------[ cut here ]------------
WARNING: CPU: 1 PID: 725 at kernel/rcu/tree_stall.h:990 rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Modules linked in:
CPU: 1 PID: 725 Comm: kworker/1:2 Not tainted 6.9.0-rc5-syzkaller-00104-ga160e1202ca3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Code: 88 61 01 00 00 be 04 00 00 00 48 c7 c7 a0 9a 35 8d e8 f0 ee 69 00 b8 01 00 00 00 87 05 95 cf fa 0b 85 c0 0f 85 3d 01 00 00 90 <0f> 0b 90 48 81 fd 00 f5 4b 88 48 c7 c3 98 de 9a 89 74 5a 48 b8 00
RSP: 0018:ffffc900001a8df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff813acb00
RDX: fffffbfff1a6b354 RSI: 0000000000000004 RDI: ffffffff8d359aa0
RBP: ffffffff884bf500 R08: 0000000000000001 R09: fffffbfff1a6b354
R10: 0000000000000003 R11: 0000000000000005 R12: 1ffffffff1041e40
R13: 0000000000000246 R14: ffffffff884bf500 R15: ffff8881f653e652
FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c25000 CR3: 000000011b456000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_check_gp_start_stall kernel/rcu/tree_stall.h:953 [inline]
rcu_core+0x4f2/0x16b0 kernel/rcu/tree.c:2466
__do_softirq+0x208/0x905 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:633 [inline]
irq_exit_rcu+0xaa/0x110 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:prefetch_freepointer mm/slub.c:520 [inline]
RIP: 0010:__slab_alloc_node mm/slub.c:3685 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3835 [inline]
RIP: 0010:__do_kmalloc_node mm/slub.c:3965 [inline]
RIP: 0010:__kmalloc_node_track_caller+0x29f/0x430 mm/slub.c:3986
Code: ff ff 41 8b 44 24 28 48 8d 4a 08 49 8b 34 24 49 8b 1c 00 4c 89 c0 65 48 0f c7 0e 0f 85 79 fe ff ff 41 8b 44 24 28 0f 0d 0c 03 d6 fe ff ff 44 89 eb c1 eb 08 83 e3 01 e9 fb fe ff ff 49 83 7c
RSP: 0018:ffffc90001b6edd0 EFLAGS: 00000246
RAX: 0000000000001000 RBX: 0000000000000000 RCX: 000000000031e431
RDX: 000000000031e429 RSI: 0000000000041500 RDI: ffffea0001430400
RBP: ffffc90001b6ee30 R08: ffff888050c14000 R09: 0000000000000000
R10: 0000000000001180 R11: 0000000000000005 R12: ffff888100042280
R13: 0000000000082820 R14: 0000000000002000 R15: 00000000ffffffff
kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:599
__alloc_skb+0x164/0x380 net/core/skbuff.c:668
__netdev_alloc_skb+0x72/0x3f0 net/core/skbuff.c:732
netdev_alloc_skb include/linux/skbuff.h:3301 [inline]
dev_alloc_skb include/linux/skbuff.h:3314 [inline]
ath6kl_usb_post_recv_transfers.constprop.0+0x55/0x400 drivers/net/wireless/ath/ath6kl/usb.c:428
ath6kl_usb_start_recv_pipes drivers/net/wireless/ath/ath6kl/usb.c:498 [inline]
hif_start drivers/net/wireless/ath/ath6kl/usb.c:703 [inline]
ath6kl_usb_power_on+0x8e/0x160 drivers/net/wireless/ath/ath6kl/usb.c:1062
ath6kl_hif_power_on drivers/net/wireless/ath/ath6kl/hif-ops.h:136 [inline]
ath6kl_core_init+0x17c/0x11a0 drivers/net/wireless/ath/ath6kl/core.c:97
ath6kl_usb_probe+0xcd2/0x1450 drivers/net/wireless/ath/ath6kl/usb.c:1168
usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399
call_driver_probe drivers/base/dd.c:578 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:656
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:798
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:828
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:956
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
device_add+0x1188/0x1ab0 drivers/base/core.c:3720
usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254
usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294
call_driver_probe drivers/base/dd.c:578 [inline]
really_probe+0x23e/0xa90 drivers/base/dd.c:656
__driver_probe_device+0x1de/0x440 drivers/base/dd.c:798
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:828
__device_attach_driver+0x1df/0x310 drivers/base/dd.c:956
bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:457
__device_attach+0x1e8/0x4b0 drivers/base/dd.c:1028
bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:532
device_add+0x1188/0x1ab0 drivers/base/core.c:3720
usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2652
hub_port_connect drivers/usb/core/hub.c:5521 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
port_event drivers/usb/core/hub.c:5821 [inline]
hub_event+0x2e66/0x4f50 drivers/usb/core/hub.c:5903
process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254
process_scheduled_works kernel/workqueue.c:3335 [inline]
worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
kthread+0x2c1/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
----------------
Code disassembly (best guess), 1 bytes skipped:
0: ff 41 8b incl -0x75(%rcx)
3: 44 24 28 rex.R and $0x28,%al
6: 48 8d 4a 08 lea 0x8(%rdx),%rcx
a: 49 8b 34 24 mov (%r12),%rsi
e: 49 8b 1c 00 mov (%r8,%rax,1),%rbx
12: 4c 89 c0 mov %r8,%rax
15: 65 48 0f c7 0e cmpxchg16b %gs:(%rsi)
1a: 0f 85 79 fe ff ff jne 0xfffffe99
20: 41 8b 44 24 28 mov 0x28(%r12),%eax
25: 0f 0d 0c 03 prefetchw (%rbx,%rax,1)
* 29: e9 d6 fe ff ff jmp 0xffffff04 <-- trapping instruction
2e: 44 89 eb mov %r13d,%ebx
31: c1 eb 08 shr $0x8,%ebx
34: 83 e3 01 and $0x1,%ebx
37: e9 fb fe ff ff jmp 0xffffff37
3c: 49 rex.WB
3d: 83 .byte 0x83
3e: 7c .byte 0x7c