syzbot


INFO: task hung in synchronize_rcu (3)

Status: upstream: reported C repro on 2020/07/22 18:22
Reported-by: syzbot+0c6da80218456f1edc36@syzkaller.appspotmail.com
Fix commit: 2d08935682ac KVM: x86: Don't re-acquire SRCU lock in complete_emulated_io()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-arm64 ci-upstream-gce-leak 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 ci-upstream-kmsan-gce-386 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-qemu2-riscv64]
First crash: 1100d, last: 3d23h

Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: INFO: rcu detected stall in smp_call_function (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 2d08935682ac5f6bfb70f7e6844ec27d4a245fa4
Author: Sean Christopherson <seanjc@google.com>
Date: Fri Apr 15 00:43:41 2022 +0000

  KVM: x86: Don't re-acquire SRCU lock in complete_emulated_io()

similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in synchronize_rcu 1 1102d 1102d 0/3 auto-closed as invalid on 2020/03/28 16:57
linux-4.14 INFO: task hung in synchronize_rcu C error 161 10d 1125d 0/1 upstream: reported C repro on 2019/11/07 04:32
linux-4.19 INFO: task hung in synchronize_rcu C error 69 25d 1123d 0/1 upstream: reported C repro on 2019/11/08 21:27
upstream INFO: task hung in synchronize_rcu syz done 1206 1102d 1128d 15/24 fixed on 2019/11/29 15:48
android-414 INFO: task hung in synchronize_rcu 1 1120d 1120d 0/1 auto-closed as invalid on 2020/03/10 10:42
upstream INFO: task hung in synchronize_rcu (2) 8 1101d 1102d 0/24 closed as invalid on 2019/11/30 16:54
Patch testing requests:
Created Duration User Patch Repo Result
2022/05/11 13:26 17m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 4fa640dc OK
2022/05/10 11:53 7m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 4fa640dc error
2022/05/10 11:08 4m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 4fa640dc error

Sample crash report:
INFO: task dhcpcd:3685 blocked for more than 143 seconds.
      Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:29872 pid: 3685 ppid:  3186 flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5183 [inline]
 __schedule+0xadf/0x52b0 kernel/sched/core.c:6495
 schedule+0xda/0x1b0 kernel/sched/core.c:6571
 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline]
 synchronize_rcu_expedited+0x6e8/0x770 kernel/rcu/tree_exp.h:946
 synchronize_rcu+0x302/0x3a0 kernel/rcu/tree.c:3508
 synchronize_net+0x4a/0x50 net/core/dev.c:10747
 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382
 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227
 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3311
 __sys_bind+0x1e9/0x250 net/socket.c:1776
 __do_sys_bind net/socket.c:1787 [inline]
 __se_sys_bind net/socket.c:1785 [inline]
 __x64_sys_bind+0x6f/0xb0 net/socket.c:1785
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5134b65ce7
RSP: 002b:00007fff4a9f5798 EFLAGS: 00000217 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000555ffcec7b60 RCX: 00007f5134b65ce7
RDX: 0000000000000014 RSI: 00007fff4a9f57a8 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000555ffd409410 R09: 00007f5134c26a60
R10: 0000000000200000 R11: 0000000000000217 R12: 0000555ffd407950
R13: 0000555ffd409b68 R14: 00007fff4aa1607c R15: 00007fff4aa160a4
 </TASK>
INFO: task dhcpcd:3687 blocked for more than 146 seconds.
      Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D
 stack:29872 pid: 3687 ppid:  3186 flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5183 [inline]
 __schedule+0xadf/0x52b0 kernel/sched/core.c:6495
 schedule+0xda/0x1b0 kernel/sched/core.c:6571
 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline]
 synchronize_rcu_expedited+0x6e8/0x770 kernel/rcu/tree_exp.h:946
 synchronize_rcu+0x302/0x3a0 kernel/rcu/tree.c:3508
 synchronize_net+0x4a/0x50 net/core/dev.c:10747
 __unregister_prot_hook+0x48a/0x5a0 net/packet/af_packet.c:382
 packet_do_bind+0x8bc/0xdc0 net/packet/af_packet.c:3227
 packet_bind+0x152/0x1b0 net/packet/af_packet.c:3311
 __sys_bind+0x1e9/0x250 net/socket.c:1776
 __do_sys_bind net/socket.c:1787 [inline]
 __se_sys_bind net/socket.c:1785 [inline]
 __x64_sys_bind+0x6f/0xb0 net/socket.c:1785
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5134b65ce7
RSP: 002b:00007fff4a9f5798 EFLAGS: 00000217
 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000555ffcec7b60 RCX: 00007f5134b65ce7
RDX: 0000000000000014 RSI: 00007fff4a9f57a8 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000555ffd409410 R09: 00007f5134c26a60
R10: 0000000000200000 R11: 0000000000000217 R12: 0000555ffd407950
R13: 0000555ffd409ce8 R14: 00007fff4aa1607c R15: 00007fff4aa160a4
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xc18/0xf50 kernel/hung_task.c:369
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3271 Comm: kworker/0:3 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: usb_hub_wq hub_event
RIP: 0010:write_comp_data+0x3c/0x90 kernel/kcov.c:229
Code: 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 bc 15 00 00 85 c0 74 4f 8b 82 98 15 00 00 <83> f8 03 75 44 48 8b 82 a0 15 00 00 8b 92 9c 15 00 00 48 8b 38 48
RSP: 0018:ffffc900036ce0b8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000000000e8 RCX: ffffffff84243aae
RDX: ffff88801eed0000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000005f5e0ff
R10: 00000000000000e8 R11: 0000000000000001 R12: ffffc900036ce180
R13: 0000000000000000 R14: ffffc900836ce4e7 R15: ffffc900036ce4e9
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f07f2267150 CR3: 00000000281e6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 put_dec+0x1e/0xd0 lib/vsprintf.c:289
 number+0x9e4/0xae0 lib/vsprintf.c:508
 vsnprintf+0xf07/0x14f0 lib/vsprintf.c:2861
 sprintf+0xc0/0x100 lib/vsprintf.c:2999
 print_time kernel/printk/printk.c:1277 [inline]
 info_print_prefix+0x248/0x340 kernel/printk/printk.c:1303
 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1352
 console_emit_next_record.constprop.0+0x6bf/0x840 kernel/printk/printk.c:2715
 console_flush_all kernel/printk/printk.c:2794 [inline]
 console_unlock+0x37a/0x5a0 kernel/printk/printk.c:2861
 vprintk_emit+0x1b9/0x5f0 kernel/printk/printk.c:2271
 dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4736
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:4747
 __dev_printk+0xcf/0xf5 drivers/base/core.c:4759
 _dev_warn+0xd7/0x109 drivers/base/core.c:4803
 hid_parser_main.cold+0x4f/0xf1 drivers/hid/hid-core.c:633
 hid_open_report+0x37f/0x650 drivers/hid/hid-core.c:1265
 hid_parse include/linux/hid.h:1094 [inline]
 hidled_probe+0x9d/0x700 drivers/hid/hid-led.c:462
 hid_device_probe+0x296/0x3c0 drivers/hid/hid-core.c:2600
 call_driver_probe drivers/base/dd.c:560 [inline]
 really_probe+0x249/0xb90 drivers/base/dd.c:639
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xbd5/0x1e90 drivers/base/core.c:3517
 hid_add_device+0x373/0xa10 drivers/hid/hid-core.c:2752
 usbhid_probe+0xbaf/0x1030 drivers/hid/usbhid/hid-core.c:1424
 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:560 [inline]
 really_probe+0x249/0xb90 drivers/base/dd.c:639
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xbd5/0x1e90 drivers/base/core.c:3517
 usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
 usb_probe_device+0xd4/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:560 [inline]
 really_probe+0x249/0xb90 drivers/base/dd.c:639
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
 device_add+0xbd5/0x1e90 drivers/base/core.c:3517
 usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573
 hub_port_connect drivers/usb/core/hub.c:5353 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x26c7/0x45e0 drivers/usb/core/hub.c:5735
 process_one_work+0x991/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (361):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2022/10/08 20:12 upstream e8bc52cb8df8 aea5da89 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/09/29 15:53 upstream c3e0e1e23c70 1d385642 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/05/25 21:19 upstream fdaf9a5840ac 647c0e27 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/03/08 13:51 upstream ea4424be1688 7bdd8b2c .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2022/02/27 14:28 upstream 2293be58d6a1 45a13a73 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2022/02/13 07:09 upstream b81b1829e7e3 8b9ca619 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-net-kasan-gce 2022/10/17 07:10 net-next 0326074ff465 67cb024c .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/11/30 05:30 linux-next 9e46a7996732 05dc7993 .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/03/22 08:11 linux-next f9006d9269ea e2d91b1d .config log report syz C INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-386 2020/07/22 00:02 upstream 4fa640dc5230 21f1765e .config log report syz C
ci-upstream-kasan-gce-root 2022/10/28 04:30 upstream b229b6ca5abb 86777b7f .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2022/10/17 04:32 upstream 55be6084c8e0 67cb024c .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2022/08/28 20:23 upstream 10d4879f9ef0 07177916 .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/10/28 01:40 upstream d25f27432f80 373bf66b .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-net-kasan-gce 2022/09/02 00:57 net-next 2af39b996485 86c46e46 .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-net-kasan-gce 2022/05/22 16:13 net-next aa5334b1f968 7268fa62 .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/12/02 07:42 linux-next 9e46a7996732 e080de16 .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/11/14 01:37 linux-next f8f60f322f06 3ead01ad .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/08/16 18:14 linux-next 6c8f479764eb 7a7cb304 .config log report syz INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2022/09/20 18:48 upstream 60891ec99e14 7c41a9ba .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2022/09/19 17:26 upstream 521a547ced64 dd9a85ff .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2022/09/19 16:22 upstream 521a547ced64 dd9a85ff .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/03/19 12:16 upstream 34e047aa16c0 e2d91b1d .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/03/17 02:59 upstream 56e337f2cf13 dfa9a8ed .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2022/02/13 10:30 upstream b81b1829e7e3 8b9ca619 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/01/29 17:56 upstream 169387e2aa29 495e00c5 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2022/01/13 09:15 upstream f079ab01b560 44d1319a .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/01/10 08:00 upstream df0cc57e057f 2ca0d385 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2022/01/09 17:03 upstream 4634129ad9fd 2ca0d385 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-selinux-root 2021/12/25 07:00 upstream b927dfc67d05 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2021/12/22 20:59 upstream 3f066e882bf1 6caa12e4 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/14 07:41 upstream ccfff0a2bd2a 83f5c9b5 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/14 05:43 upstream ccfff0a2bd2a 83f5c9b5 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/13 06:22 upstream 7246f4dcaccc 83f5c9b5 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/11 13:14 upstream debe436e77c7 75b04091 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/11 04:08 upstream 89d714ab6043 75b04091 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2021/11/11 00:26 upstream 89d714ab6043 75b04091 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-selinux-root 2021/11/09 17:22 upstream d2f38a3c6507 59bcaf9a .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2021/11/07 04:31 upstream 512b7931ad05 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-selinux-root 2021/11/05 23:37 upstream fe91c4725aee 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/05 04:10 upstream 7ddb58cb0eca 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/04 09:48 upstream ce840177930f 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-smack-root 2021/11/04 00:06 upstream dcd68326d29b 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/02 19:31 upstream bfc484fe6abb 17f3edd2 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2021/11/02 10:40 upstream d2fac0afe89f 098b5d53 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/11/02 06:54 upstream e66435936756 098b5d53 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2021/10/23 21:08 upstream 9c0c4d24ac00 282f03fb .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce 2021/10/20 09:28 upstream d9abdee5fd5a 466b7db1 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/09/12 06:46 upstream 4ed9c1e971b1 356d8217 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/08/28 05:32 upstream c1c76700a0d6 07177916 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/08/19 23:50 upstream c1c76700a0d6 26a13b38 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/07/14 19:15 upstream 4a57a8400075 5d921b08 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/07/07 02:47 upstream 9f09069cde34 bff65f44 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/06/22 06:58 upstream ca1fdab7fd27 0fc5c330 .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/03/06 06:09 upstream ac84e82f78cb 7bdd8b2c .config log report info INFO: task hung in synchronize_rcu
ci-qemu2-arm32 2022/02/03 13:51 upstream 88808fbbead4 4ebb2798 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-386 2021/11/06 20:31 upstream fe91c4725aee 4c1be0be .config log report info INFO: task hung in synchronize_rcu
ci-upstream-net-this-kasan-gce 2022/05/25 08:39 net 7fb0269720d7 647c0e27 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-bpf-kasan-gce 2021/10/22 08:21 bpf 1acfe7c9b44b 55f90bc6 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-bpf-next-kasan-gce 2021/10/19 14:52 bpf-next 223f903e9c83 24dc29db .config log report info INFO: task hung in synchronize_rcu
ci-upstream-net-kasan-gce 2021/10/16 23:53 net-next 4e6e167bc049 0c5d9412 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/07/11 22:29 linux-next cb71b93c2dc3 da3d6955 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2022/04/08 03:52 linux-next 2e9a9857569e c6ff3e05 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2021/11/13 12:42 linux-next f2e19fd15bd7 83f5c9b5 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2021/11/10 17:51 linux-next 73e5c18006f5 75b04091 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-linux-next-kasan-gce-root 2021/10/30 04:02 linux-next bdcc9f6a5682 098b5d53 .config log report info INFO: task hung in synchronize_rcu
ci-upstream-kasan-gce-root 2019/12/01 07:56 upstream 32ef9553635a a76bf83f .config log report
ci-upstream-bpf-next-kasan-gce 2021/01/16 01:18 bpf-next eed6a9a9571b 65a7a854 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/11/13 01:25 linux-next f2e19fd15bd7 83f5c9b5 .config log report info INFO: task can't die in __synchronize_srcu
* Struck through repros no longer work on HEAD.