syzbot


INFO: task hung in wext_handle_ioctl

Status: auto-obsoleted due to no activity on 2024/09/16 00:52
Subsystems: wireless
[Documentation on labels]
First crash: 264d, last: 235d

Sample crash report:
INFO: task syz-executor.1:5695 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27424 pid:5695  tgid:5694  ppid:5119   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 wext_ioctl_dispatch net/wireless/wext-core.c:1015 [inline]
 wext_ioctl_dispatch net/wireless/wext-core.c:1004 [inline]
 wext_handle_ioctl+0x155/0x2c0 net/wireless/wext-core.c:1077
 sock_ioctl+0x3ac/0x6c0 net/socket.c:1275
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9649e7cf29
RSP: 002b:00007f964ab2f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9649fb3f80 RCX: 00007f9649e7cf29
RDX: 0000000020000000 RSI: 0000000000008b29 RDI: 0000000000000004
RBP: 00007f9649eec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9649fb3f80 R15: 00007ffc8d92b9f8
 </TASK>
INFO: task syz-executor.0:5707 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:28256 pid:5707  tgid:5700  ppid:5104   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 ip6_mroute_setsockopt+0x128c/0x2650 net/ipv6/ip6mr.c:1745
 do_ipv6_setsockopt+0x8e7/0x47b0 net/ipv6/ipv6_sockglue.c:416
 ipv6_setsockopt+0xe3/0x1a0 net/ipv6/ipv6_sockglue.c:994
 rawv6_setsockopt+0xd7/0x680 net/ipv6/raw.c:1054
 do_sock_setsockopt+0x222/0x480 net/socket.c:2312
 __sys_setsockopt+0x1a4/0x270 net/socket.c:2335
 __do_sys_setsockopt net/socket.c:2344 [inline]
 __se_sys_setsockopt net/socket.c:2341 [inline]
 __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2341
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/18 00:52 upstream 2ccbdf43d5e7 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wext_handle_ioctl
2024/06/08 13:09 upstream 96e09b8f8166 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wext_handle_ioctl
2024/06/06 19:15 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wext_handle_ioctl
2024/06/06 11:04 upstream 2df0193e62cf 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wext_handle_ioctl
2024/05/20 20:00 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wext_handle_ioctl
* Struck through repros no longer work on HEAD.