syzbot


INFO: task hung in dev_ethtool (2)

Status: auto-obsoleted due to no activity on 2024/08/09 22:13
Subsystems: net
[Documentation on labels]
First crash: 147d, last: 108d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: task hung in dev_ethtool (2) 1 138d 138d 0/3 auto-obsoleted due to no activity on 2024/08/30 13:34
upstream INFO: task hung in dev_ethtool net 1 1044d 1044d 0/28 closed as invalid on 2022/02/08 09:40
linux-6.1 INFO: task hung in dev_ethtool 1 239d 239d 0/3 auto-obsoleted due to no activity on 2024/05/21 09:03

Sample crash report:
INFO: task syz-executor.2:5765 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.2  state:D stack:23800 pid:5765  tgid:5764  ppid:5113   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 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+0x6a4/0xd70 kernel/locking/mutex.c:752
 dev_ethtool+0x21e/0x1bc0 net/ethtool/ioctl.c:3176
 dev_ioctl+0x785/0x1340 net/core/dev_ioctl.c:723
 sock_do_ioctl+0x240/0x460 net/socket.c:1236
 sock_ioctl+0x629/0x8e0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f49a727cf29
RSP: 002b:00007f49a7f330c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f49a73b3f80 RCX: 00007f49a727cf29
RDX: 0000000020000000 RSI: 0000000000008946 RDI: 0000000000000005
RBP: 00007f49a72ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f49a73b3f80 R15: 00007ffd1a130a58
 </TASK>
INFO: task syz-executor.0:5769 blocked for more than 144 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:24504 pid:5769  tgid:5767  ppid:5116   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 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+0x6a4/0xd70 kernel/locking/mutex.c:752
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2564
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/20 22:11 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in dev_ethtool
2024/06/18 11:18 upstream 2ccbdf43d5e7 ce6011bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in dev_ethtool
2024/06/18 07:35 upstream 2ccbdf43d5e7 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in dev_ethtool
2024/06/16 14:16 upstream 2ccbdf43d5e7 f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in dev_ethtool
2024/06/02 17:09 upstream 83814698cf48 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in dev_ethtool
2024/05/26 23:35 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in dev_ethtool
2024/05/22 10:24 upstream 8f6a15f095a6 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in dev_ethtool
2024/05/22 06:11 upstream 8f6a15f095a6 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in dev_ethtool
2024/05/20 18:57 upstream eb6a9339efeb c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in dev_ethtool
2024/05/27 11:48 net 51d1b25a7209 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in dev_ethtool
2024/05/24 17:02 net 30a92c9e3d6b 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in dev_ethtool
2024/06/20 04:19 net-next 3ec8d7572a69 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in dev_ethtool
2024/06/20 02:15 net-next 3ec8d7572a69 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in dev_ethtool
2024/06/05 08:02 linux-next 234cb065ad82 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ethtool
2024/05/28 07:34 linux-next 6dc544b66971 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ethtool
2024/05/12 23:26 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in dev_ethtool
* Struck through repros no longer work on HEAD.