syzbot


INFO: task hung in nfsd_umount

Status: upstream: reported on 2024/07/07 04:37
Subsystems: nfs
Labels: prio:normal
[Documentation on labels]
Reported-by: syzbot+b568ba42c85a332a88ee@syzkaller.appspotmail.com
First crash: 743d, last: 5h53m
✨ AI Jobs (3)
ID Workflow Result Correct Bug Created Started Finished Revision Error
57bc4777-3d1d-4b17-b0e7-392d26e3cb81 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ INFO: task hung in nfsd_umount 2026/05/31 16:05 2026/05/31 16:05 2026/05/31 17:21 6b4a844333e83556da95d61d7f207e7ef5cd4bc6
98317e66-e238-4da8-9eb9-0781620fd781 assessment-security 💥 INFO: task hung in nfsd_umount 2026/05/15 05:27 2026/05/15 05:27 2026/05/15 05:28 6ccb967e465e832a7bfd7a116ad00d52a0923a5d failed to run ["git" "pull" "origin" "HEAD" "--depth=1" "--allow-unrelated-histories"]: exit status 128 From /app/workdir/repo/linux * branch HEAD -> FETCH_HEAD Updating files: 19% (17860/93697) Updating files: 20% (18740/93697) Updating files: 21% (19677/93697) Updating files: 22% (20614/93697) Updating files: 23% (21551/93697) Updating files: 24% (22488/93697) Updating files: 25% (23425/93697) Updating files: 26% (24362/93697) error: unable to write file arch/powerpc/kernel/eeh_driver.c error: unable to write file arch/powerpc/kernel/eeh_event.c error: unable to write file arch/powerpc/kernel/eeh_pe.c error: unable to write file arch/powerpc/kernel/eeh_sysfs.c error: unable to write file arch/powerpc/kernel/entry_32.S error: unable to write file arch/powerpc/kernel/epapr_hcalls.S error: unable to write file arch/powerpc/kernel/epapr_paravirt.c error: unable to write file arch/powerpc/kernel/exceptions-64e.S error: unable to write file arch/powerpc/kernel/exceptions-64s.S error: unable to write file arch/powerpc/kernel/fadump.c error: unable to write file arch/powerpc/kernel/firmware.c error: unable to write file arch/powerpc/kernel/fpu.S error: unable to write file arch/powerpc/kernel/head_32.h error: unable to write file arch/powerpc/kernel/head_44x.S error: unable to write file arch/powerpc/kernel/head_64.S error: unable to write file arch/powerpc/kernel/head_85xx.S error: unable to write file arch/powerpc/kernel/head_8xx.S error: unable to write file arch/powerpc/kernel/head_book3s_32.S error: unable to write file arch/powerpc/kernel/head_booke.h error: unable to write file arch/powerpc/kernel/hw_breakpoint.c error: unable to write file arch/powerpc/kernel/hw_breakpoint_constraints.c error: unable to write file arch/powerpc/kernel/idle.c error: unable to write file arch/powerpc/kernel/idle_64e.S error: unable to write file arch/powerpc/kernel/idle_6xx.S error: unable to write file arch/powerpc/kernel/idle_85xx.S error: unable to write file arch/powerpc/kernel/idle_book3s.S error: unable to write file arch/powerpc/kernel/ima_arch.c error: unable to write file arch/powerpc/kernel/interrupt.c error: unable to write file arch/powerpc/kernel/interrupt_64.S error: unable to write file arch/powerpc/kernel/io.c error: unable to write file arch/powerpc/kernel/iomap.c error: unable to write file arch/powerpc/kernel/iommu.c error: unable to write file arch/powerpc/kernel/irq.c error: unable to write file arch/powerpc/kernel/irq_64.c error: unable to write file arch/powerpc/kernel/isa-bridge.c error: unable to write file arch/powerpc/kernel/jump_label.c error: unable to write file arch/powerpc/kernel/kdebugfs.c error: unable to write file arch/powerpc/kernel/kgdb.c error: unable to write file arch/powerpc/kernel/kprobes-ftrace.c error: unable to write file arch/powerpc/kernel/kprobes.c error: unable to write file arch/powerpc/kernel/kvm.c error: unable to write file arch/powerpc/kernel/kvm_emul.S error: unable to write file arch/powerpc/kernel/l2cr_6xx.S error: unable to write file arch/powerpc/kernel/legacy_serial.c error: unable to write file arch/powerpc/kernel/mce.c error: unable to write file arch/powerpc/kernel/mce_power.c error: unable to write file arch/powerpc/kernel/misc.S error: unable to write file arch/powerpc/kernel/misc_32.S error: unable to write file arch/powerpc/kernel/misc_64.S error: unable to write file arch/powerpc/kernel/module.c error: unable to write file arch/powerpc/kernel/module_32.c error: unable to write file arch/powerpc/kernel/module_64.c error: unable to write file arch/powerpc/kernel/msi.c error: unable to write file arch/powerpc/kernel/note.S error: unable to write file arch/powerpc/kernel/nvram_64.c error: unable to write file arch/powerpc/kernel/optprobes.c error: unable to write file arch/powerpc/kernel/optprobes_head.S error: unable to write file arch/powerpc/kernel/paca.c error: unable to write file arch/powerpc/kernel/pci-common.c error: unable to write file arch/powerpc/kernel/pci-hotplug.c error: unable to write file arch/powerpc/kernel/pci_32.c error: una
a607d1e4-f56a-479f-bd5d-819025c7ef3e repro INFO: task hung in nfsd_umount 2026/03/07 03:10 2026/03/07 03:11 2026/03/07 03:20 31e9c887f7dc24e04b3ca70d0d54fc34141844b0
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly nfs report (Jul 2025) 0 (1) 2025/07/04 12:38
[syzbot] Monthly nfs report (Jun 2025) 0 (1) 2025/06/03 09:38
[syzbot] [nfs?] INFO: task hung in nfsd_umount 3 (4) 2024/09/21 07:58

Sample crash report:
INFO: task syz-executor:20193 blocked for more than 144 seconds.
      Tainted: G     U       L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24296 pid:20193 tgid:20193 ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1295/0x67a0 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xced/0x1b10 kernel/locking/mutex.c:820
 nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
 nfsd_umount+0x3b/0x60 fs/nfsd/nfsctl.c:1364
 deactivate_locked_super+0xc1/0x1b0 fs/super.c:476
 deactivate_super fs/super.c:509 [inline]
 deactivate_super+0xe7/0x110 fs/super.c:505
 cleanup_mnt+0x21f/0x450 fs/namespace.c:1312
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
 exit_to_user_mode_loop+0x157/0x670 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x652/0x840 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9f199e097
RSP: 002b:00007ffd278dc888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fe9f1a321ca RCX: 00007fe9f199e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd278dc940
RBP: 00007ffd278dc940 R08: 00007ffd278dd940 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd278dd9d0
R13: 00007fe9f1a321ca R14: 00000000001069e3 R15: 00007ffd278dda10
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
 #0: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
2 locks held by getty/6240:
 #0: ffff8880378c60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900054792e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14f0 drivers/tty/n_tty.c:2211
1 lock held by syz.0.703/9386:
2 locks held by syz-executor/15704:
 #0: ffff888032ad20d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff888032ad20d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff888032ad20d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff888032ad20d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
2 locks held by syz.1.2759/20168:
 #0: ffffffff906b4888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1217
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_threads_set_doit+0x8c8/0x1100 fs/nfsd/nfsctl.c:1644
2 locks held by syz-executor/20193:
 #0: ffff8880322b20d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff8880322b20d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff8880322b20d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff8880322b20d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
2 locks held by syz-executor/20374:
 #0: ffff88807c86c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff88807c86c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff88807c86c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff88807c86c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
2 locks held by syz-executor/20889:
 #0: ffff88803534c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff88803534c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff88803534c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff88803534c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
2 locks held by syz.3.2874/20932:
 #0: ffff88809320c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff88809320c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff88809320c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff88809320c0d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
2 locks held by syz-executor/21121:
 #0: ffff88802af200d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff88802af200d8 (&type->s_umount_key#54){++++}-{4:4}, at: __super_lock_excl fs/super.c:73 [inline]
 #0: ffff88802af200d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super fs/super.c:508 [inline]
 #0: ffff88802af200d8 (&type->s_umount_key#54){++++}-{4:4}, at: deactivate_super+0xdf/0x110 fs/super.c:505
 #1: ffffffff8ec621e0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x5b/0xf0 fs/nfsd/nfssvc.c:576
4 locks held by syz.2.3121/22490:
2 locks held by syz.2.3121/22496:

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Tainted: G     U       L      syzkaller #0 PREEMPT(full) 
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xcb1/0x1030 kernel/hung_task.c:561
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (4365):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/01 19:41 upstream e43ffb69e043 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/06/01 17:19 upstream e43ffb69e043 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/06/01 17:13 upstream e43ffb69e043 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/06/01 14:06 upstream e43ffb69e043 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/06/01 12:16 upstream e43ffb69e043 8d8eeb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/06/01 05:06 upstream e43ffb69e043 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nfsd_umount
2026/06/01 02:27 upstream 174914ea5513 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nfsd_umount
2026/05/31 23:47 upstream 174914ea5513 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/31 12:13 upstream 9d87d0fc8c8e 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/31 10:12 upstream 9d87d0fc8c8e 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/31 09:13 upstream 9d87d0fc8c8e 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/31 06:42 upstream 9d87d0fc8c8e 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 22:17 upstream f5e5d3509bff 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 20:58 upstream f5e5d3509bff 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 19:32 upstream f5e5d3509bff 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 12:51 upstream f5e5d3509bff 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 08:43 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 07:12 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 05:10 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 02:58 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/30 01:51 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 23:38 upstream 9215e74f228f 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 19:40 upstream 8fde5d1d47f6 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 16:18 upstream 8fde5d1d47f6 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 10:07 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 09:00 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 07:38 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 06:25 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 05:03 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 03:41 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 02:21 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/29 00:11 upstream 8fde5d1d47f6 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nfsd_umount
2026/05/28 20:57 upstream eb3f4b7426cf 9a5a7e5e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/28 20:08 upstream eb3f4b7426cf 9a5a7e5e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/28 19:03 upstream eb3f4b7426cf 9a5a7e5e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/28 17:28 upstream eb3f4b7426cf 9a5a7e5e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/28 09:10 upstream eb3f4b7426cf 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/28 04:23 upstream eb3f4b7426cf 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 21:18 upstream eb3f4b7426cf cd9726af .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 20:12 upstream eb3f4b7426cf cd9726af .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 19:08 upstream eb3f4b7426cf cd9726af .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 08:05 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 06:09 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 05:37 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 03:22 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/27 01:40 upstream d60ec36cab33 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/05/25 14:09 upstream e7ae89a0c97c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nfsd_umount
2026/05/15 03:43 upstream 66182ca873a4 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2026/03/06 23:37 upstream 651690480a96 5cb44a80 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: task hung in nfsd_umount
2024/07/06 12:12 upstream 1dd28064d416 bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nfsd_umount
2024/07/03 04:33 upstream e9d22f7a6655 1ecfa2d8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nfsd_umount
2024/06/29 05:25 upstream 6c0483dbfe72 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in nfsd_umount
2026/05/11 20:32 linux-next e98d21c170b0 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: task hung in nfsd_umount
2026/03/28 00:20 linux-next e77a5a5cfe43 74a13a23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in nfsd_umount
* Struck through repros no longer work on HEAD.