watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [kworker/1:3:4782] Modules linked in: irq event stamp: 5309556 hardirqs last enabled at (5309555): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (5309555): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194 hardirqs last disabled at (5309556): [] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (5308858): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (5308858): [] __do_softirq+0x5bf/0x905 kernel/softirq.c:583 softirqs last disabled at (5308853): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (5308853): [] __irq_exit_rcu kernel/softirq.c:633 [inline] softirqs last disabled at (5308853): [] irq_exit_rcu+0xaa/0x110 kernel/softirq.c:645 CPU: 1 PID: 4782 Comm: kworker/1:3 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:unwind_next_frame+0x64c/0x23a0 arch/x86/kernel/unwind_orc.c:512 Code: 89 e9 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 e9 03 48 c1 ea 03 0f b6 14 02 0f b6 04 01 4c 89 f1 83 e1 07 38 ca 0f 9e c1 <84> d2 0f 95 c2 84 d1 0f 85 59 18 00 00 41 83 e5 07 44 38 e8 0f 9e RSP: 0018:ffffc900046eeae8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900046eeb68 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff81151c6c RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000005 R12: ffffffff89ef3024 R13: ffffffff89ef3029 R14: ffffffff89ef3028 R15: ffffc900046eeb9d FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9b9d2de97 CR3: 000000000829e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:3966 [inline] __kmalloc+0x1f4/0x400 mm/slub.c:3979 kmalloc include/linux/slab.h:632 [inline] usb_alloc_urb+0x69/0xa0 drivers/usb/core/urb.c:75 ath6kl_usb_post_recv_transfers.constprop.0+0x84/0x400 drivers/net/wireless/ath/ath6kl/usb.c:432 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 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2382 Comm: syslogd Not tainted 6.9.0-rc5-syzkaller-00104-ga160e1202ca3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x60 kernel/kcov.c:207 Code: c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 24 f5 b0 7e <65> 8b 05 25 f5 b0 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 RSP: 0018:ffffc900016ef928 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff888113cd2000 RCX: ffffffff85801c46 RDX: ffff8881152a5700 RSI: ffffffff85801c50 RDI: 0000000000000005 RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888113cd20e8 R13: ffff88811d048640 R14: 0000000000000000 R15: ffffc900016efab8 FS: 00007fd44d568380(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efeebe7a018 CR3: 00000001155ee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __skb_try_recv_datagram+0x236/0x4f0 net/core/datagram.c:282 __unix_dgram_recvmsg+0x1d1/0xf80 net/unix/af_unix.c:2429 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2531 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg+0x1f6/0x250 net/socket.c:1068 sock_read_iter+0x2c7/0x3c0 net/socket.c:1138 call_read_iter include/linux/fs.h:2104 [inline] new_sync_read fs/read_write.c:395 [inline] vfs_read+0x9fd/0xb80 fs/read_write.c:476 ksys_read+0x1f8/0x260 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd44d6bcb6a Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff5edeef68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd44d6bcb6a RDX: 00000000000000ff RSI: 00005579c886e950 RDI: 0000000000000000 RBP: 00005579c886e910 R08: 0000000000000001 R09: 0000000000000000 R10: 00007fd44d85b3a3 R11: 0000000000000246 R12: 00005579c886e9a8 R13: 00005579c886e950 R14: 0000000000000000 R15: 00007fd44d89fa80