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INFO: task hung in packet_release (2)

Status: auto-obsoleted due to no activity on 2024/09/07 13:25
Subsystems: net
[Documentation on labels]
First crash: 263d, last: 244d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in packet_release 1 1977d 1977d 0/1 auto-closed as invalid on 2020/01/09 04:52
android-414 INFO: task hung in packet_release 2 2283d 2127d 0/1 auto-closed as invalid on 2019/05/08 04:16
android-49 INFO: task hung in packet_release 4 2053d 2127d 0/3 auto-closed as invalid on 2019/10/25 08:48
upstream INFO: task hung in packet_release net 159 1942d 2340d 0/28 closed as invalid on 2019/10/23 07:21

Sample crash report:
INFO: task syz-executor.4:8324 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-12082-g0b4f5add9fa5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:24672 pid:8324  tgid:8324  ppid:7517   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
 packet_flush_mclist net/packet/af_packet.c:3752 [inline]
 packet_release+0x47e/0xcc0 net/packet/af_packet.c:3150
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x406/0x8b0 fs/file_table.c:422
 __do_sys_close fs/open.c:1555 [inline]
 __se_sys_close fs/open.c:1540 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1540
 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: 0033:0x7fb67e87bdda
RSP: 002b:00007fffca9fbc00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/25 05:09 net 0b4f5add9fa5 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/22 01:20 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/22 00:46 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/21 22:11 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/21 21:48 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/21 19:11 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/21 19:00 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/05/21 17:34 net 30a92c9e3d6b 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in packet_release
2024/06/09 13:22 net-next a99997323654 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in packet_release
* Struck through repros no longer work on HEAD.