syzbot


INFO: rcu detected stall in neigh_timer_handler (8)

Status: upstream: reported C repro on 2024/06/12 22:26
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+5127feb52165f8ab165b@syzkaller.appspotmail.com
Fix commit: 22f008128625 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-snapshot-upstream-root ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-native-arm64-kvm]
First crash: 150d, last: 54d
Cause bisection: introduced by (bisect log) :
commit a7f3813e589fd8e2834720829a47b5eb914a9afe
Author: Marcello Sylvester Bauer <sylv@sylv.io>
Date: Thu Apr 11 14:51:28 2024 +0000

  usb: gadget: dummy_hcd: Switch to hrtimer transfer scheduler

Crash: INFO: rcu detected stall in corrupted (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit 22f00812862564b314784167a89f27b444f82a46
Author: Alan Stern <stern@rowland.harvard.edu>
Date: Fri Jun 14 01:30:43 2024 +0000

  USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages

  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [net?] INFO: rcu detected stall in neigh_timer_handler (8) 1 (3) 2024/09/13 09:08
[syzbot] [usb?] INFO: rcu detected stall in schedule_timeout (6) 5 (11) 2024/07/08 10:56
Similar bugs (15)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in neigh_timer_handler (6) netfilter 1 1396d 1396d 0/28 auto-closed as invalid on 2021/03/09 03:20
upstream INFO: rcu detected stall in neigh_timer_handler net 1 2142d 2141d 0/28 auto-closed as invalid on 2019/05/23 06:47
upstream INFO: rcu detected stall in neigh_timer_handler (2) net 2 1851d 1853d 13/28 fixed on 2019/10/09 10:54
upstream INFO: rcu detected stall in neigh_timer_handler (4) net 1 1766d 1766d 0/28 closed as invalid on 2019/12/04 14:04
upstream INFO: rcu detected stall in neigh_timer_handler (5) net 1 1498d 1498d 0/28 auto-closed as invalid on 2020/11/26 10:25
upstream INFO: rcu detected stall in neigh_timer_handler (3) net 2 1771d 1771d 0/28 closed as invalid on 2019/11/29 14:24
upstream INFO: rcu detected stall in neigh_timer_handler (7) net 1 1271d 1271d 0/28 auto-closed as invalid on 2021/07/11 19:14
linux-4.14 INFO: rcu detected stall in neigh_timer_handler 5 1616d 1736d 0/1 auto-closed as invalid on 2020/08/30 16:21
linux-6.1 INFO: rcu detected stall in neigh_timer_handler 4 10d 120d 0/3 upstream: reported on 2024/06/06 22:02
android-5-10 BUG: soft lockup in neigh_timer_handler 2 408d 416d 0/2 auto-obsoleted due to no activity on 2023/11/22 05:43
linux-4.19 BUG: soft lockup in neigh_timer_handler 4 693d 951d 0/1 auto-obsoleted due to no activity on 2023/03/12 06:57
linux-4.14 BUG: soft lockup in neigh_timer_handler 3 961d 1004d 0/1 auto-closed as invalid on 2022/06/16 21:59
android-6-1 BUG: soft lockup in neigh_timer_handler 2 322d 344d 0/2 auto-obsoleted due to no activity on 2024/02/16 02:11
android-54 BUG: soft lockup in neigh_timer_handler 3 106d 118d 0/2 auto-obsoleted due to no activity on 2024/09/18 13:19
upstream BUG: soft lockup in neigh_timer_handler net 1 440d 414d 0/28 auto-obsoleted due to no activity on 2023/10/20 21:15
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/08/25 13:07 23m retest repro upstream OK log
2024/08/25 12:50 23m retest repro upstream OK log

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-.... } 2647 jiffies s: 2905 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 1 to CPUs 0:
cdc_wdm 2-1:1.0: nonzero urb status received: -71
NMI backtrace for cpu 0
CPU: 0 PID: 785 Comm: kworker/0:2 Not tainted 6.10.0-rc2-syzkaller-00315-gdc772f8237f9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:io_serial_out+0x7e/0xc0 drivers/tty/serial/8250/8250_port.c:413
Code: fc 89 e9 41 d3 e7 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 4c 8b bf fc 44 03 3b 44 89 f0 44 89 fa ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c a7
RSP: 0018:ffffc90000006ab0 EFLAGS: 00000002
RAX: 0000000000000030 RBX: ffffffff94ad1200 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000000000 R08: ffffffff853c5efb R09: 1ffff11003f54046
R10: dffffc0000000000 R11: ffffffff853c5eb0 R12: dffffc0000000000
R13: 0000000000000030 R14: 0000000000000030 R15: 00000000000003f8
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa2f6c67850 CR3: 00000000202f6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 serial8250_console_write+0x1212/0x1770 drivers/tty/serial/8250/8250_port.c:3393
 console_emit_next_record kernel/printk/printk.c:2928 [inline]
 console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951
 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962
 _dev_err+0x122/0x170 drivers/base/core.c:5017
 wdm_int_callback+0x41f/0xac0 drivers/usb/class/cdc-wdm.c:269
 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:rtnl_notify+0x4f/0xc0 net/core/rtnetlink.c:755
Code: 00 00 00 00 00 fc ff df e8 9e 16 38 f8 48 81 c5 f0 02 00 00 48 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 ef e8 71 da 9d f8 <48> 8b 6d 00 48 85 db 74 27 e8 73 16 38 f8 48 83 c3 06 48 89 d8 48
RSP: 0018:ffffc90000007b10 EFLAGS: 00010246
RAX: 1ffffffff296c6be RBX: 0000000000000000 RCX: ffff88801fd83c00
RDX: 0000000000000101 RSI: ffffffff94b63300 RDI: ffff88802e1de8c0
RBP: ffffffff94b635f0 R08: 0000000000000000 R09: 0000000000000820
R10: 00004de500001511 R11: 0000000100000001 R12: 0000000000000003
R13: ffff88802e1de8c0 R14: dffffc0000000000 R15: 0000000000000000
 neigh_update_notify net/core/neighbour.c:2675 [inline]
 neigh_timer_handler+0xaae/0xfd0 net/core/neighbour.c:1166
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0xaad/0xfd0 kernel/printk/printk.c:3000
Code: ff ff e8 16 d0 1f 00 90 0f 0b 90 e9 d8 f8 ff ff e8 08 d0 1f 00 e8 83 31 10 0a 4d 85 f6 74 b6 e8 f9 cf 1f 00 fb 48 8b 44 24 70 <42> 0f b6 04 38 84 c0 48 8b 7c 24 30 0f 85 22 02 00 00 0f b6 1f 31
RSP: 0018:ffffc9000333f040 EFLAGS: 00000293
RAX: 1ffff92000667e54 RBX: 0000000000000000 RCX: ffff88801fd83c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000333f1f0 R08: ffffffff81765624 R09: 1ffffffff25f56ca
R10: dffffc0000000000 R11: fffffbfff25f56cb R12: ffffffff8eb225f8
R13: ffffffff8eb225a0 R14: 0000000000000200 R15: dffffc0000000000
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951
 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962
 _dev_info+0x122/0x170 drivers/base/core.c:5020
 hub_port_init+0x7bf/0x2670 drivers/usb/core/hub.c:4950
 hub_port_connect drivers/usb/core/hub.c:5450 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
 port_event drivers/usb/core/hub.c:5821 [inline]
 hub_event+0x295f/0x5150 drivers/usb/core/hub.c:5903
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 4.241 msecs
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: nonzero urb status received: -71
cdc_wdm 2-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 2-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 1-1:1.0: nonzero urb status received: -71
cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 1-1:1.0: nonzero urb status received: -71
cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 1-1:1.0: nonzero urb status received: -71
cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 1-1:1.0: nonzero urb status received: -71
cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 1-1:1.0: nonzero urb status received: -71
cdc_wdm 1-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 1-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: nonzero urb status received: -71
cdc_wdm 3-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 3-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: nonzero urb status received: -71
cdc_wdm 4-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 4-1:1.0: wdm_int_callback - usb_submit_urb failed with result -19

Crashes (72):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/08 22:10 upstream dc772f8237f9 82c05ab8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in neigh_timer_handler
2024/05/29 11:16 upstream e0cce98fe279 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in neigh_timer_handler
2024/08/11 11:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 25f51b76f90f 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/10 22:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 25f51b76f90f 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/10 18:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 25f51b76f90f 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/07 19:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 25f51b76f90f 109d2082 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/06 02:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d483f034f032 e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/05 05:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d483f034f032 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/08/01 22:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d483f034f032 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/27 17:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1722389b0d86 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/22 15:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 933069701c1b df655b64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/22 10:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 933069701c1b df655b64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/22 01:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3c3ff7be9729 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/21 09:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3c3ff7be9729 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/20 07:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3c3ff7be9729 b88348e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/19 19:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/19 16:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/18 10:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/18 07:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/18 04:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/18 01:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 0f902625 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/17 19:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/17 04:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 215bec2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/17 01:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/16 23:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/16 21:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/16 17:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/15 17:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 c605e6a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/15 04:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/15 01:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/13 20:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/13 10:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/13 08:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/13 01:38 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/12 22:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/12 22:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/12 12:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b72749301112 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/08 12:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba cde64f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/08 11:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/08 10:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/07 18:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/07 07:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/07 05:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 17:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 17:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 11:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 11:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 05:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/06 05:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/04 23:37 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/04 20:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 179264157bba 3f2748a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/02 10:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f7697db8b1b3 07f0a0a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/02 10:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f7697db8b1b3 07f0a0a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/01 23:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f7697db8b1b3 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/07/01 17:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f7697db8b1b3 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/30 23:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/30 21:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/30 17:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/30 04:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/30 01:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/29 20:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/29 07:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/29 06:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/29 05:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/29 04:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/28 18:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 2ea6d07efe53 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/27 14:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6a6aad7489b2 6ef39602 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/06/16 17:48 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5821bf2dffbe f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/05/31 15:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1613e604df0c 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
2024/05/07 12:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 cb2dcc0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in neigh_timer_handler
* Struck through repros no longer work on HEAD.