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INFO: task hung in ieee80211_register_hw

Status: auto-closed as invalid on 2020/06/15 23:33
Subsystems: wireless
[Documentation on labels]
First crash: 1501d, last: 1501d
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in ieee80211_register_hw (2) wireless 2 816d 874d 0/26 closed as invalid on 2022/02/08 09:40
linux-4.19 INFO: task hung in ieee80211_register_hw 1 584d 584d 0/1 auto-obsoleted due to no activity on 2023/01/18 17:32
upstream INFO: task hung in ieee80211_register_hw (5) wireless 1 102d 102d 0/26 auto-obsoleted due to no activity on 2024/04/15 01:54
upstream INFO: task hung in ieee80211_register_hw (3) wireless 1 783d 783d 0/26 auto-closed as invalid on 2022/06/03 18:58
upstream INFO: task hung in ieee80211_register_hw (4) wireless 1 270d 270d 0/26 auto-obsoleted due to no activity on 2023/10/29 15:52

Sample crash report:
INFO: task syz-executor.1:21732 blocked for more than 143 seconds.
      Not tainted 5.6.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D24048 21732   9583 0x00004004
Call Trace:
 schedule+0xd0/0x2a0 kernel/sched/core.c:4154
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4213
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103
 ieee80211_register_hw+0x17b8/0x3760 net/mac80211/main.c:1200
 mac80211_hwsim_new_radio+0x2187/0x43d0 drivers/net/wireless/mac80211_hwsim.c:3056
 hwsim_new_radio_nl+0x905/0xf60 drivers/net/wireless/mac80211_hwsim.c:3611
 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:718 [inline]
 genl_rcv_msg+0x627/0xdf0 net/netlink/genetlink.c:735
 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343
 ___sys_sendmsg+0x100/0x170 net/socket.c:2397
 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: Bad RIP value.
RSP: 002b:00007fb2b3cc9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb2b3cca6d4 RCX: 000000000045c849
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009f1 R14: 00000000004cca8d R15: 000000000076bf0c
INFO: task syz-executor.2:21854 blocked for more than 144 seconds.
      Not tainted 5.6.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D29904 21854   9589 0x00004004
Call Trace:
 schedule+0xd0/0x2a0 kernel/sched/core.c:4154
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4213
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1103
 sock_do_ioctl+0x24e/0x2f0 net/socket.c:1066
 sock_ioctl+0x3ed/0x790 net/socket.c:1204
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0x11a/0x180 fs/ioctl.c:763
 __do_sys_ioctl fs/ioctl.c:772 [inline]
 __se_sys_ioctl fs/ioctl.c:770 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: Bad RIP value.
RSP: 002b:00007f3555592c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f35555936d4 RCX: 000000000045c849
RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000040d R14: 00000000004c6adf R15: 000000000076bf0c

Showing all locks held in the system:
3 locks held by kworker/u4:1/21:
1 lock held by khungtaskd/1135:
 #0: ffffffff897accc0 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5331
3 locks held by kworker/0:8/2867:
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x82a/0x1690 kernel/workqueue.c:2237
 #1: ffffc900086efdd0 (deferred_process_work){+.+.}, at: process_one_work+0x85e/0x1690 kernel/workqueue.c:2241
 #2: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:74
1 lock held by rsyslogd/9453:
 #0: ffff88809802c3a0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 fs/file.c:821
2 locks held by getty/9543:
 #0: ffff8880a762b090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000180b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/9544:
 #0: ffff888093878090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900017db2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/9545:
 #0: ffff8880a72dc090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000181b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/9546:
 #0: ffff8880986bb090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900017fb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/9547:
 #0: ffff8880986ba090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc900017eb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/9548:
 #0: ffff888093ae4090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc9000175b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
2 locks held by getty/26724:
 #0: ffff8880a2a92090 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:267
 #1: ffffc90001d6b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x21d/0x1b30 drivers/tty/n_tty.c:2156
3 locks held by kworker/0:0/31500:
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff88809a0fb528 ((wq_completion)ipv6_addrconf){+.+.}, at: process_one_work+0x82a/0x1690 kernel/workqueue.c:2237
 #1: ffffc900028b7dd0 ((addr_chk_work).work){+.+.}, at: process_one_work+0x85e/0x1690 kernel/workqueue.c:2241
 #2: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4526
3 locks held by kworker/1:1/20178:
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff8880aa026d28 ((wq_completion)events){+.+.}, at: process_one_work+0x82a/0x1690 kernel/workqueue.c:2237
 #1: ffffc90001987dd0 ((linkwatch_work).work){+.+.}, at: process_one_work+0x85e/0x1690 kernel/workqueue.c:2241
 #2: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:242
3 locks held by syz-executor.1/21732:
 #0: ffffffff8a3a48e8 (cb_lock){++++}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:745
 #1: ffffffff8a3a49a0 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline]
 #1: ffffffff8a3a49a0 (genl_mutex){+.+.}, at: genl_rcv_msg+0x763/0xdf0 net/netlink/genetlink.c:733
 #2: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: ieee80211_register_hw+0x17b8/0x3760 net/mac80211/main.c:1200
2 locks held by syz-executor.5/21847:
 #0: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
 #0: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3f9/0xad0 net/core/rtnetlink.c:5433
 #1: ffffffff897b0af8 (rcu_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
 #1: ffffffff897b0af8 (rcu_state.exp_mutex){+.+.}, at: synchronize_rcu_expedited+0x4cc/0x5d0 kernel/rcu/tree_exp.h:851
1 lock held by syz-executor.2/21854:
 #0: ffffffff8a34eb80 (rtnl_mutex){+.+.}, at: sock_do_ioctl+0x24e/0x2f0 net/socket.c:1066

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

NMI backtrace for cpu 1
CPU: 1 PID: 1135 Comm: khungtaskd Not tainted 5.6.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x231/0x27e lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0xa8c/0x1010 kernel/hung_task.c:289
 kthread+0x357/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.6.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: krdsd rds_connect_worker
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline]
RIP: 0010:lock_acquire+0x1fd/0x420 kernel/locking/lockdep.c:4487
Code: 48 ba 00 00 00 00 00 fc ff df c7 83 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 de 01 00 00 48 83 3d a3 0f 1b 08 00 <0f> 84 5a 01 00 00 48 8b 3c 24 57 9d 0f 1f 44 00 00 48 83 c4 18 5b
RSP: 0018:ffffc90000cdfa20 EFLAGS: 00000082
RAX: 1ffffffff12e7698 RBX: ffff8880a95de1c0 RCX: 0000000000005f80
RDX: dffffc0000000000 RSI: 1ffff9200019bf2d RDI: ffff8880a95dea54
RBP: ffff8880a97fbf18 R08: ffffffff8c056700 R09: fffffbfff180e575
R10: fffffbfff180e574 R11: ffffffff8c072ba7 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000000996e0000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:338 [inline]
 cache_grow_end+0x46/0x170 mm/slab.c:2661
 cache_alloc_refill mm/slab.c:2981 [inline]
 ____cache_alloc mm/slab.c:3055 [inline]
 ____cache_alloc mm/slab.c:3038 [inline]
 __do_cache_alloc mm/slab.c:3277 [inline]
 slab_alloc mm/slab.c:3312 [inline]
 kmem_cache_alloc+0x6ef/0x730 mm/slab.c:3484
 sock_alloc_inode+0x18/0x1c0 net/socket.c:253
 alloc_inode+0x61/0x1e0 fs/inode.c:232
 new_inode_pseudo+0x14/0xe0 fs/inode.c:928
 sock_alloc+0x3c/0x260 net/socket.c:573
 __sock_create+0xba/0x730 net/socket.c:1397
 rds_tcp_conn_path_connect+0x28f/0x880 net/rds/tcp_connect.c:118
 rds_connect_worker+0x1a5/0x2c0 net/rds/threads.c:176
 process_one_work+0x94b/0x1690 kernel/workqueue.c:2266
 worker_thread+0x96/0xe20 kernel/workqueue.c:2412
 kthread+0x357/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/03/17 23:29 upstream ac309e7744be 97bc55ce .config console log report ci-upstream-kasan-gce
* Struck through repros no longer work on HEAD.