Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
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INFO: task hung in netdev_run_todo net | 12 | 1936d | 2491d |
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INFO: task hung in ip6gre_exit_batch_net | 12 (13) | 2018/06/08 08:43 |
INFO: task kworker/u4:3:403 blocked for more than 143 seconds. Not tainted 5.3.0-rc6+ #94 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:3 D25464 403 2 0x80004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3947 exp_funnel_lock kernel/rcu/tree_exp.h:308 [inline] synchronize_rcu_expedited+0x555/0x5b0 kernel/rcu/tree_exp.h:816 synchronize_net net/core/dev.c:9264 [inline] rollback_registered_many+0x777/0x1250 net/core/dev.c:8188 unregister_netdevice_many+0x4e/0x290 net/core/dev.c:9309 ip6gre_exit_batch_net+0x3df/0x410 net/ipv6/ip6_gre.c:1604 ops_exit_list net/core/net_namespace.c:175 [inline] cleanup_net+0x70b/0xaa0 net/core/net_namespace.c:594 process_one_work+0x7ef/0x10e0 kernel/workqueue.c:2269 worker_thread+0xc01/0x1630 kernel/workqueue.c:2415 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 INFO: task syz-executor.2:27621 blocked for more than 143 seconds. Not tainted 5.3.0-rc6+ #94 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28328 27621 9272 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3947 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4006 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 devinet_ioctl+0x290/0x1c40 net/ipv4/devinet.c:1061 inet_ioctl+0x288/0x330 net/ipv4/af_inet.c:957 packet_ioctl+0x182/0x250 net/packet/af_packet.c:4135 sock_do_ioctl+0x7c/0x260 net/socket.c:1038 sock_ioctl+0x461/0x680 net/socket.c:1189 do_vfs_ioctl+0x744/0x1730 fs/ioctl.c:46 ksys_ioctl fs/ioctl.c:713 [inline] __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0xe3/0x120 fs/ioctl.c:718 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: Bad RIP value. RSP: 002b:00007fd81a0abc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 00000000200000c0 RSI: 0000000000008914 RDI: 0000000000000005 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd81a0ac6d4 R13: 00000000004c5695 R14: 00000000004d9da8 R15: 00000000ffffffff INFO: task syz-executor.2:27654 blocked for more than 143 seconds. Not tainted 5.3.0-rc6+ #94 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D30024 27654 9272 0x00004004 Call Trace: context_switch kernel/sched/core.c:3254 [inline] __schedule+0x877/0xc50 kernel/sched/core.c:3880 schedule+0x131/0x1e0 kernel/sched/core.c:3947 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4006 __mutex_lock_common+0x1401/0x2820 kernel/locking/mutex.c:1007 __mutex_lock kernel/locking/mutex.c:1077 [inline] mutex_lock_nested+0x1b/0x30 kernel/locking/mutex.c:1092 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 devinet_ioctl+0x290/0x1c40 net/ipv4/devinet.c:1061 inet_ioctl+0x288/0x330 net/ipv4/af_inet.c:957 packet_ioctl+0x182/0x250 net/packet/af_packet.c:4135 sock_do_ioctl+0x7c/0x260 net/socket.c:1038 sock_ioctl+0x461/0x680 net/socket.c:1189 do_vfs_ioctl+0x744/0x1730 fs/ioctl.c:46 ksys_ioctl fs/ioctl.c:713 [inline] __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0xe3/0x120 fs/ioctl.c:718 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459879 Code: Bad RIP value. RSP: 002b:00007fd81a08ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 RDX: 0000000020000040 RSI: 0000000000008914 RDI: 0000000000000005 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd81a08b6d4 R13: 00000000004c5695 R14: 00000000004d9da8 R15: 00000000ffffffff INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc6+ #94 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+0x1d8/0x2f8 lib/dump_stack.c:113 nmi_cpu_backtrace+0xaf/0x1a0 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x174/0x290 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x10/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace+0x17/0x20 include/linux/nmi.h:146 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0xbb9/0xbd0 kernel/hung_task.c:289 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/08/28 06:43 | upstream | 6525771f58cb | fd37b39e | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2019/08/11 22:55 | upstream | 296d05cb0d3c | acb51638 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2018/07/30 04:42 | upstream | 3cfb6772d4cf | 1a381291 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/26 14:14 | upstream | bc2dbc5420e8 | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/10/10 16:54 | net-old | 70c2655849a2 | a4efa8c0 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2019/07/08 09:22 | bpf-next | c3ec002e633e | f62e1e85 | .config | console log | report | ci-upstream-bpf-next-kasan-gce |