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INFO: task hung in dev_ioctl (4)

Status: auto-closed as invalid on 2021/08/15 15:56
Subsystems: net
[Documentation on labels]
First crash: 1351d, last: 1351d
▶ ▼ Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in dev_ioctl 1 1014d 1014d 0/1 auto-closed as invalid on 2022/08/17 13:11
android-49 INFO: task hung in dev_ioctl 1 2396d 2396d 0/3 auto-closed as invalid on 2019/02/22 12:59
upstream INFO: task hung in dev_ioctl (2) net 1 2109d 2109d 0/28 closed as invalid on 2019/05/08 13:05
android-414 INFO: task hung in dev_ioctl 2 2313d 2333d 0/1 auto-closed as invalid on 2019/03/27 22:33
android-414 INFO: task hung in dev_ioctl (2) 1 1886d 1886d 0/1 auto-closed as invalid on 2020/03/28 22:15
linux-6.1 INFO: task hung in dev_ioctl 3 224d 241d 0/3 auto-obsoleted due to no activity on 2024/09/25 07:18
upstream INFO: task hung in rtnetlink_rcv_msg net C inconclusive inconclusive 1970 203d 2166d 26/28 fixed on 2024/07/09 19:14
upstream INFO: task hung in dev_ioctl net 2 2311d 2338d 0/28 auto-closed as invalid on 2019/03/30 00:48
upstream INFO: task hung in dev_ioctl (6) net 12 104d 128d 0/28 auto-obsoleted due to no activity on 2024/12/04 23:50
upstream INFO: task hung in dev_ioctl (3) net 7 1487d 1616d 0/28 auto-closed as invalid on 2021/04/01 04:28
linux-5.15 INFO: task hung in dev_ioctl 2 244d 250d 0/3 auto-obsoleted due to no activity on 2024/09/05 06:34
upstream INFO: task hung in dev_ioctl (5) net 20 1195d 1239d 0/28 auto-closed as invalid on 2022/01/19 01:57

Sample crash report:
INFO: task systemd-udevd:10781 blocked for more than 143 seconds.
      Not tainted 5.13.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd   state:D stack:28152 pid:10781 ppid:  4859 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4339 [inline]
 __schedule+0x916/0x23e0 kernel/sched/core.c:5147
 schedule+0xcf/0x270 kernel/sched/core.c:5226
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5285
 __mutex_lock_common kernel/locking/mutex.c:1026 [inline]
 __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
 dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
 sock_do_ioctl+0x148/0x2d0 net/socket.c:1062
 sock_ioctl+0x477/0x6a0 net/socket.c:1179
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcaf8217017
RSP: 002b:00007ffedadc3e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedadc3e60 RCX: 00007fcaf8217017
RDX: 00007ffedadc3e30 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffedadc3fd0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000561c2613dcf0
R13: 00007ffedadc3e30 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:10795 blocked for more than 143 seconds.
      Not tainted 5.13.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd   state:D
 stack:27656 pid:10795 ppid:  4859 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4339 [inline]
 __schedule+0x916/0x23e0 kernel/sched/core.c:5147
 schedule+0xcf/0x270 kernel/sched/core.c:5226
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5285
 __mutex_lock_common kernel/locking/mutex.c:1026 [inline]
 __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
 dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
 sock_do_ioctl+0x148/0x2d0 net/socket.c:1062
 sock_ioctl+0x477/0x6a0 net/socket.c:1179
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcaf8217017
RSP: 002b:00007ffedadc3e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedadc3e60 RCX: 00007fcaf8217017
RDX: 00007ffedadc3e30 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffedadc3fd0 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000001 R11: 0000000000000246 R12: 0000561c2613dcf0
R13: 00007ffedadc3e30 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:10798 blocked for more than 144 seconds.
      Not tainted 5.13.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd   state:D stack:27688 pid:10798 ppid:  4859 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4339 [inline]
 __schedule+0x916/0x23e0 kernel/sched/core.c:5147
 schedule+0xcf/0x270 kernel/sched/core.c:5226
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5285
 __mutex_lock_common kernel/locking/mutex.c:1026 [inline]
 __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
 dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
 sock_do_ioctl+0x148/0x2d0 net/socket.c:1062
 sock_ioctl+0x477/0x6a0 net/socket.c:1179
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcaf8217017
RSP: 002b:00007ffedadc4408 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedadc4450 RCX: 00007fcaf8217017
RDX: 00007ffedadc4420 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffedadc45c0 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000001 R11: 0000000000000246 R12: 0000561c2613dcf0
R13: 00007ffedadc4420 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:10802 blocked for more than 145 seconds.
      Not tainted 5.13.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd   state:D stack:28152 pid:10802 ppid:  4859 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4339 [inline]
 __schedule+0x916/0x23e0 kernel/sched/core.c:5147
 schedule+0xcf/0x270 kernel/sched/core.c:5226
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5285
 __mutex_lock_common kernel/locking/mutex.c:1026 [inline]
 __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096
 dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
 sock_do_ioctl+0x148/0x2d0 net/socket.c:1062
 sock_ioctl+0x477/0x6a0 net/socket.c:1179
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:1069 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcaf8217017
RSP: 002b:00007ffedadc3e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedadc3e60 RCX: 00007fcaf8217017
RDX: 00007ffedadc3e30 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffedadc3fd0 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000001 R11: 0000000000000246 R12: 0000561c2613dcf0
R13: 00007ffedadc3e30 R14: 0000000000000001 R15: 0000000000000000

Showing all locks held in the system:
3 locks held by kworker/0:0/5:
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000ca7da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1340 net/ipv6/addrconf.c:4031
2 locks held by kworker/u4:0/9:
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000ce7da8 ((reaper_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
2 locks held by kworker/u4:1/25:
 #0: ffff8880b9c35258
 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1334 [inline]
 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x21c/0x23e0 kernel/sched/core.c:5061
 #1: ffffc90000dffda8 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
3 locks held by kworker/1:1/27:
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888028173938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000e1fda8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4574
2 locks held by kworker/u4:3/162:
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888011069138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc9000114fda8 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
5 locks held by kworker/u4:4/186:
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff88814014b138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc9000100fda8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffffffff8d691650 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb10 net/core/net_namespace.c:557
 #3: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: ip6gre_exit_batch_net+0x88/0x750 net/ipv6/ip6_gre.c:1625
 #4: ffffffff8bf824a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
 #4: ffffffff8bf824a8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:837
1 lock held by khungtaskd/1629:
 #0: ffffffff8bf792a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6333
1 lock held by khugepaged/1652:
 #0: ffffffff8c05a0c8 (lock#5){+.+.}-{3:3}, at: __lru_add_drain_all+0x65/0x760 mm/swap.c:791
3 locks held by kworker/0:3/3890:
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90003217da8 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:74
1 lock held by in:imklog/8127:
 #0: ffff88802135ed70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
6 locks held by kworker/0:6/9645:
1 lock held by systemd-udevd/10781:
 #0: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
1 lock held by systemd-udevd/10795:
 #0: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
1 lock held by systemd-udevd/10798:
 #0: ffffffff8d6a4ae8 (
rtnl_mutex
){+.+.}-{3:3}, at: dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439
1 lock held by systemd-udevd/10802:
 #0: ffffffff8d6a4ae8 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x458/0xb70 net/core/dev_ioctl.c:439

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1629 Comm: khungtaskd Not tainted 5.13.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline]
 watchdog+0xd48/0xfb0 kernel/hung_task.c:294
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9645 Comm: kworker/0:6 Not tainted 5.13.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events uhid_device_add_worker
RIP: 0010:_tolower include/linux/ctype.h:72 [inline]
RIP: 0010:format_decode+0x334/0xad0 lib/vsprintf.c:2546
Code: 0c 24 e8 3f 52 8a fd 0f b6 0c 24 80 f9 12 0f 86 70 01 00 00 e8 7d 4b 8a fd be 01 00 00 00 31 ff e8 21 52 8a fd e8 6c 4b 8a fd <89> d8 bf 6c 00 00 00 31 db 83 c8 20 89 c6 88 44 24 10 e8 05 52 8a
RSP: 0018:ffffc9000981ee90 EFLAGS: 00000093
RAX: 0000000000000000 RBX: 0000000000000063 RCX: 0000000000000000
RDX: ffff888058df3880 RSI: ffffffff83ea87f4 RDI: 0000000000000003
RBP: ffffc9000981efa8 R08: 0000000000000009 R09: 0000000000000001
R10: ffffffff83ea87ef R11: 0000000000000000 R12: ffffffff896c7021
R13: ffffffff896c7020 R14: 1ffff92001303dd5 R15: 0000000000000063
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ccc027000 CR3: 000000002d4c3000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vsnprintf+0x155/0x14f0 lib/vsprintf.c:2704
 snprintf+0xbb/0xf0 lib/vsprintf.c:2885
 print_caller kernel/printk/printk.c:1276 [inline]
 info_print_prefix+0x11c/0x340 kernel/printk/printk.c:1295
 record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1342
 console_unlock+0x303/0xc40 kernel/printk/printk.c:2629
 vprintk_emit+0x1ca/0x560 kernel/printk/printk.c:2174
 dev_vprintk_emit+0x36e/0x3b2 drivers/base/core.c:4521
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:4532
 __dev_printk+0xcf/0xf5 drivers/base/core.c:4544
 _dev_warn+0xd7/0x109 drivers/base/core.c:4588
 hid_parser_main.cold+0xa2/0xf1 drivers/hid/hid-core.c:630
 hid_open_report+0x37f/0x660 drivers/hid/hid-core.c:1260
 hid_parse include/linux/hid.h:1048 [inline]
 hid_generic_probe+0x4a/0x90 drivers/hid/hid-generic.c:63
 hid_device_probe+0x2bd/0x3f0 drivers/hid/hid-core.c:2284
 really_probe+0x291/0xf60 drivers/base/dd.c:576
 driver_probe_device+0x298/0x410 drivers/base/dd.c:763
 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x228/0x4b0 drivers/base/dd.c:938
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xbe0/0x2100 drivers/base/core.c:3320
 hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2440
 uhid_device_add_worker+0x36/0x60 drivers/hid/uhid.c:62
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/17 15:55 upstream d07f6ca923ea a2eb125d .config console log report info ci-upstream-kasan-gce INFO: task hung in dev_ioctl
* Struck through repros no longer work on HEAD.