syzbot


INFO: task hung in xsk_bind

Status: auto-obsoleted due to no activity on 2024/09/25 01:23
Reported-by: syzbot+e521b54b620c5703e2c5@syzkaller.appspotmail.com
First crash: 170d, last: 157d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in xsk_bind bpf net 5 155d 184d 0/28 auto-obsoleted due to no activity on 2024/09/16 17:40

Sample crash report:
INFO: task syz-executor.2:6646 blocked for more than 143 seconds.
      Not tainted 6.1.94-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:25240 pid:6646  ppid:5755   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 xsk_bind+0x153/0xcf0 net/xdp/xsk.c:906
 __sys_bind+0x233/0x2e0 net/socket.c:1806
 __do_sys_bind net/socket.c:1817 [inline]
 __se_sys_bind net/socket.c:1815 [inline]
 __x64_sys_bind+0x76/0x80 net/socket.c:1815
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f97fd07cea9
RSP: 002b:00007f97fddfc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007f97fd1b3f80 RCX: 00007f97fd07cea9
RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f97fd0ebff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000004d R14: 00007f97fd1b3f80 R15: 00007ffc8c7dc0c8
 </TASK>
INFO: task syz-executor.2:6649 blocked for more than 143 seconds.
      Not tainted 6.1.94-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:28280 pid:6649  ppid:5755   flags:0x00004006
Call Trace:

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/17 01:22 linux-6.1.y eb44d83053d6 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in xsk_bind
2024/06/04 14:48 linux-6.1.y 88690811da69 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in xsk_bind
* Struck through repros no longer work on HEAD.