syzbot


INFO: rcu detected stall in __run_timer_base

Status: fixed on 2024/07/31 23:31
Subsystems: usb
[Documentation on labels]
Reported-by: syzbot+1acbadd9f48eeeacda29@syzkaller.appspotmail.com
Fix commit: 22f008128625 USB: class: cdc-wdm: Fix CPU lockup caused by excessive log messages
First crash: 243d, last: 171d
Cause bisection: introduced by (bisect log) :
commit da71714e359b64bd7aab3bd56ec53f307f058133
Author: Jamal Hadi Salim <jhs@mojatatu.com>
Date: Tue Aug 22 10:12:31 2023 +0000

  net/sched: fix a qdisc modification with ambiguous command request

Crash: INFO: rcu detected stall in sys_unlink (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 (5)
Title Replies (including bot) Last reply
[syzbot] [kasan?] [mm?] INFO: rcu detected stall in __run_timer_base 5 (11) 2024/07/31 14:08
[syzbot] Monthly media report (Jun 2024) 0 (1) 2024/06/15 17:49
[PATCH] net/sched: taprio: fix CPU stuck due to the taprio hrtimer 2 (3) 2024/05/03 21:34
Re: [syzbot] [PATCH] net/sched: taprio: fix CPU stuck due to the taprio hrtimer 0 (1) 2024/05/03 09:20
[PATCH] net/sched: taprio: fix CPU stuck due to the taprio hrtimer 1 (1) 2024/05/03 08:53
Last patch testing requests (7)
Created Duration User Patch Repo Result
2024/07/05 14:57 27m retest repro upstream OK log
2024/07/05 14:57 23m retest repro upstream OK log
2024/05/31 11:03 2h10m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fe46a7dd189e OK log
2024/05/06 02:36 19m luyun@kylinos.cn patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2024/05/03 09:19 16m luyun@kylinos.cn patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2024/04/25 08:07 18m retest repro upstream report log
2024/04/14 02:53 23m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fe46a7dd189e OK log

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 1-.... } 2682 jiffies s: 1909 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):

Sending NMI from CPU 0 to CPUs 1:
cdc_wdm 4-1:1.0: nonzero urb status received: -71
NMI backtrace for cpu 1
CPU: 1 PID: 25 Comm: kworker/1:0 Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 89 fb e8 23 00 00 00 48 8b 3d 4c ac 45 0c 48 89 de 5b e9 23 4c 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d5 03 00 65 8b 15 70 be
RSP: 0018:ffffc90000a17820 EFLAGS: 00000017
RAX: 0000000000000032 RBX: 0000000000000035 RCX: ffff888017af1e00
RDX: 0000000000010103 RSI: 00000000fffffffb RDI: ffffc90000a178e0
RBP: 1ffff92000142f1c R08: ffffffff8b7f9162 R09: ffffffff8b7f8fda
R10: 0000000000000005 R11: ffff888017af1e00 R12: 0000000000000005
R13: dffffc0000000000 R14: ffffc90000a178e0 R15: ffffffff8bcb7f83
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18d2022128 CR3: 000000002cd5a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 skip_atoi+0xb6/0xd0 lib/vsprintf.c:172
 format_decode+0xb15/0x1bb0 lib/vsprintf.c:2592
 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776
 sprintf+0xda/0x120 lib/vsprintf.c:3028
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x16b/0x310 kernel/printk/printk.c:1353
 record_print_text kernel/printk/printk.c:1402 [inline]
 printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2855
 console_emit_next_record kernel/printk/printk.c:2895 [inline]
 console_flush_all+0x410/0xfd0 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea 56 e1 f5 48 89 df e8 82 99 e2 f5 e8 2d 5f 0c f6 fb bf 01 00 00 00 <e8> 92 66 d4 f5 65 8b 05 c3 b0 72 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc90000a18cb0 EFLAGS: 00000282
RAX: 14ba404759f9a300 RBX: ffff8880b952a700 RCX: ffffffff8172c78a
RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: 0000000000000001
RBP: ffffc90000a18e10 R08: ffffffff92fa8657 R09: 1ffffffff25f50ca
R10: dffffc0000000000 R11: fffffbfff25f50cb R12: 00000001000034ab
R13: ffffc90000a18d60 R14: dffffc0000000000 R15: 0000000100003540
 __run_timer_base+0x1c0/0x8e0 kernel/time/timer.c:2429
 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 43 01 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:ffffc900001f7040 EFLAGS: 00000293
RAX: 1ffff9200003ee54 RBX: 0000000000000000 RCX: ffff888017af1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001f71f0 R08: ffffffff81764624 R09: 1ffffffff25f50ca
R10: dffffc0000000000 R11: fffffbfff25f50cb R12: ffffffff8eb22518
R13: ffffffff8eb224c0 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: 4.139 msecs
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: 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: 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: 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: 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 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: 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 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 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 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 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 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: 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 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: 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 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: 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 -1
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

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/02 10:16 upstream 89be4025b0db 3113787f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in __run_timer_base
2024/04/10 02:02 upstream fe46a7dd189e 56086b24 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in __run_timer_base
2024/06/21 06:04 upstream 50736169ecc8 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in __run_timer_base
2024/06/20 13:31 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in __run_timer_base
2024/06/19 14:55 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in __run_timer_base
2024/06/19 08:28 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in __run_timer_base
2024/06/15 19:17 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in __run_timer_base
2024/06/11 21:16 upstream 83a7eefedc9b c7d7d815 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in __run_timer_base
2024/06/07 05:47 upstream 8a92980606e3 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in __run_timer_base
2024/06/03 10:31 upstream c3f38fa61af7 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in __run_timer_base
* Struck through repros no longer work on HEAD.