Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-49 | INFO: task hung in seq_free_client | 2 | 2229d | 2335d | 0/3 | auto-closed as invalid on 2019/02/23 15:39 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
android-49 | INFO: task hung in seq_free_client | 2 | 2229d | 2335d | 0/3 | auto-closed as invalid on 2019/02/23 15:39 |
IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 INFO: task syz-executor7:15804 blocked for more than 140 seconds. Not tainted 4.18.0-rc8+ #32 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor7 D14640 15804 4045 0x00000006 Call Trace: context_switch kernel/sched/core.c:2857 [inline] __schedule+0x62a/0x870 kernel/sched/core.c:3507 schedule kernel/sched/core.c:3551 [inline] schedule_preempt_disabled+0x57/0x80 kernel/sched/core.c:3609 __mutex_lock_common kernel/locking/mutex.c:834 [inline] __mutex_lock+0x1ed/0x420 kernel/locking/mutex.c:894 __mutex_lock_slowpath+0xe/0x10 kernel/locking/mutex.c:1155 mutex_lock+0x34/0x40 kernel/locking/mutex.c:242 seq_free_client+0x1b/0xb0 sound/core/seq/seq_clientmgr.c:277 snd_seq_release+0x23/0x70 sound/core/seq/seq_clientmgr.c:367 __fput+0x110/0x280 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0xb4/0xe0 kernel/task_work.c:113 get_signal+0x888/0x8c0 kernel/signal.c:2298 do_signal+0x23/0x550 arch/x86/kernel/signal.c:816 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline] prepare_exit_to_usermode+0xe0/0x170 arch/x86/entry/common.c:197 syscall_return_slowpath+0x3f/0x270 arch/x86/entry/common.c:268 do_syscall_64+0x6d/0x90 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x456d89 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f39008d4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffe00 RBX: 00007f39008d56d4 RCX: 0000000000456d89 RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00000000009301e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d2ea8 R14: 00000000004c74aa R15: 0000000000000002 NMI backtrace for cpu 0 CPU: 0 PID: 677 Comm: khungtaskd Not tainted 4.18.0-rc8+ #32 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+0xae/0xf0 lib/dump_stack.c:113 nmi_cpu_backtrace lib/nmi_backtrace.c:103 [inline] nmi_trigger_cpumask_backtrace+0xdd/0x1e0 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:138 check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x4be/0x4d0 kernel/hung_task.c:252 kthread+0x127/0x140 kernel/kthread.c:247 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:55 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:97 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0x76/0xf0 arch/x86/kernel/process.c:500
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/08/08 23:05 | https://github.com/google/kmsan.git master | 0cc51dc9a291 | 2eeda842 | .config | console log | report | ci-upstream-kmsan-gce |