syzbot


INFO: task hung in raw_bind

Status: auto-obsoleted due to no activity on 2024/09/25 04:51
Reported-by: syzbot+a74099ee1139b02fb2fd@syzkaller.appspotmail.com
First crash: 160d, last: 159d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in raw_bind can 4 158d 186d 0/28 auto-obsoleted due to no activity on 2024/09/16 02:42

Sample crash report:
INFO: task syz-executor.1:7157 blocked for more than 143 seconds.
      Not tainted 5.15.161-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:28824 pid: 7157 ppid:  6258 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 raw_bind+0x96/0x700 net/can/raw.c:436
 __sys_bind+0x388/0x400 net/socket.c:1715
 __do_sys_bind net/socket.c:1726 [inline]
 __se_sys_bind net/socket.c:1724 [inline]
 __x64_sys_bind+0x76/0x80 net/socket.c:1724
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd39094fea9
RSP: 002b:00007fd38f4c90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007fd390a86f80 RCX: 00007fd39094fea9
RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007fd3909beff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd390a86f80 R15: 00007ffe6a3ed138
 </TASK>
INFO: task syz-executor.2:7208 blocked for more than 143 seconds.
      Not tainted 5.15.161-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26336 pid: 7208 ppid:  3524 flags:0x00004006
Call Trace:
 <TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/17 04:50 linux-5.15.y 4878aadf2d15 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in raw_bind
2024/06/16 04:08 linux-5.15.y c61bd26ae81a f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: task hung in raw_bind
* Struck through repros no longer work on HEAD.