syzbot


INFO: task hung in rdma_dev_exit_net (6)

Status: upstream: reported on 2024/12/20 08:21
Subsystems: rdma
[Documentation on labels]
Reported-by: syzbot+3658758f38a2f0f062e7@syzkaller.appspotmail.com
First crash: 315d, last: 23d
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly rdma report (Mar 2025) 0 (1) 2025/03/02 22:37
[syzbot] Monthly rdma report (Jan 2025) 0 (1) 2025/01/30 13:12
[syzbot] [rdma?] INFO: task hung in rdma_dev_exit_net (6) 0 (1) 2024/12/20 08:21
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in rdma_dev_exit_net (2) rdma 6 1507d 1641d 0/28 auto-closed as invalid on 2021/05/10 22:49
upstream INFO: task hung in rdma_dev_exit_net (3) rdma 5 1255d 1290d 0/28 auto-closed as invalid on 2022/01/17 19:05
upstream INFO: task hung in rdma_dev_exit_net rdma 1 1800d 1800d 0/28 auto-closed as invalid on 2020/07/21 12:21
upstream INFO: task hung in rdma_dev_exit_net (5) rdma 4 431d 446d 0/28 auto-obsoleted due to no activity on 2024/04/21 00:36
upstream INFO: task hung in rdma_dev_exit_net (4) rdma 7 629d 791d 0/28 auto-obsoleted due to no activity on 2023/10/05 19:47

Sample crash report:
INFO: task syz-executor:19411 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc5-syzkaller-00013-g99fa936e8e4f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:26608 pid:19411 tgid:19411 ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578
 rdma_dev_exit_net+0x178/0x590 drivers/infiniband/core/device.c:1113
 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172
 setup_net+0x4fe/0x860 net/core/net_namespace.c:394
 copy_net_ns+0x2a6/0x5f0 net/core/net_namespace.c:516
 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228
 ksys_unshare+0x45d/0xa40 kernel/fork.c:3342
 __do_sys_unshare kernel/fork.c:3413 [inline]
 __se_sys_unshare kernel/fork.c:3411 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3411
 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: 0033:0x7f56ac78e967

Crashes (47):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/04 09:28 upstream 99fa936e8e4f c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2025/03/04 07:44 upstream 99fa936e8e4f c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2025/02/20 11:45 upstream 87a132e73910 50668798 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2024/11/25 14:19 upstream 9f16d5e6f220 a84878fc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/10/11 23:10 upstream 9e4c6c1ad9a1 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/10/05 21:49 upstream fc20a3e57247 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/09/09 11:44 upstream da3ea35007d0 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/08/18 12:23 upstream df6cbc62cc9b dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2024/08/11 02:32 upstream 5189dafa4cf9 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/07/28 13:12 upstream 6342649c33d2 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2024/07/28 12:10 upstream 6342649c33d2 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in rdma_dev_exit_net
2024/06/08 16:00 upstream dc772f8237f9 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in rdma_dev_exit_net
2024/05/16 16:21 upstream 3c999d1ae3c7 ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in rdma_dev_exit_net
2025/02/28 14:52 net 00371a3f4877 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/02/17 03:57 net 071ed42cff4f 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/02/03 17:05 net 235174b2bed8 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/22 13:37 net d640627663bf da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/04 08:08 net aba74e639f8d f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/01 07:56 net 4f619d518db9 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/01 03:06 net 4f619d518db9 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/22 11:16 net 30b981796b94 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/19 14:06 net ce1219c3f76b 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/14 18:15 net 429fde2d81bc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/10 15:42 net f136552b7ce3 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/29 11:33 net 94c11e852955 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/19 08:16 net 07d6bf634bc8 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/11 00:14 net a354733c738d 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/02/07 18:27 net-next 26db4dbb7478 a4f327c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/02/07 15:03 net-next 26db4dbb7478 a4f327c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/24 07:47 net-next 0ad9617c78ac 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/20 00:41 net-next 41c5d104f338 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/16 08:11 net-next 92c932b9946c 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/12/11 02:25 net-next a0e1fc921cb0 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/11/26 23:26 net-next fcc79e1714e8 11dbc254 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/11/20 00:55 net-next dd7207838d38 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/11/12 08:16 net-next 80b6f094756f 75bb1b32 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/25 01:51 net-next 6d858708d465 9fc8fe02 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/24 21:30 net-next 6d858708d465 9fc8fe02 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/23 22:06 net-next 6d858708d465 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/21 20:55 net-next 6d858708d465 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/14 06:35 net-next 6aac56631831 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/12 00:17 net-next d677aebd663d cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/09 01:37 net-next 489cee4caeba 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/10/02 03:05 net-next 44badc908f2c ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/09/28 11:14 net-next c824deb1a897 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2024/08/14 09:37 net-next dd1bf9f9df15 bde81f6f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in rdma_dev_exit_net
2025/01/05 14:19 linux-next 8155b4ef3466 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in rdma_dev_exit_net
* Struck through repros no longer work on HEAD.