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INFO: rcu detected stall in sys_unshare (9)

Status: upstream: reported C repro on 2023/11/11 00:17
Subsystems: kernfs
[Documentation on labels]
Reported-by: syzbot+872bccd9a68c6ba47718@syzkaller.appspotmail.com
First crash: 816d, last: 16h33m
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: INFO: rcu detected stall in corrupted (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d
Author: Peter Zijlstra <peterz@infradead.org>
Date: Mon May 27 12:06:55 2024 +0000

  sched/rt: Remove default bandwidth control

  
▶ ▼ Discussions (10)
Title Replies (including bot) Last reply
[syzbot] Monthly kernfs report (Jan 2026) 0 (1) 2026/01/26 07:12
[syzbot] Monthly kernfs report (Dec 2025) 0 (1) 2025/12/26 07:48
[syzbot] Monthly kernfs report (Nov 2025) 0 (1) 2025/11/25 08:46
[syzbot] Monthly kernfs report (Sep 2025) 0 (1) 2025/09/23 13:33
[syzbot] Monthly kernfs report (Aug 2025) 0 (1) 2025/08/23 16:32
[syzbot] [bpf?] INFO: rcu detected stall in sys_unshare (9) 0 (2) 2025/03/11 15:56
[syzbot] Monthly bpf report (Feb 2025) 0 (1) 2025/02/20 19:03
[syzbot] Monthly bpf report (Mar 2024) 0 (1) 2024/03/11 10:18
[syzbot] Monthly bpf report (Jan 2024) 1 (2) 2024/01/10 00:28
[syzbot] Monthly bpf report (Dec 2023) 0 (1) 2023/12/08 13:16
▶ ▼ Similar bugs (11)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_unshare (2) mm 1 1 2215d 2214d 0/29 closed as invalid on 2020/01/08 05:23
upstream INFO: rcu detected stall in sys_unshare (5) net 1 1 1477d 1477d 0/29 closed as invalid on 2022/02/08 10:10
linux-6.6 INFO: rcu detected stall in sys_unshare 1 1 196d 196d 0/2 auto-obsoleted due to no activity on 2025/10/26 06:21
upstream INFO: rcu detected stall in sys_unshare (3) net 1 1 1700d 1700d 0/29 auto-closed as invalid on 2021/09/03 04:28
linux-5.15 INFO: rcu detected stall in sys_unshare missing-backport origin:upstream 1 C done 12 69d 620d 0/3 upstream: reported C repro on 2024/05/20 16:51
upstream INFO: rcu detected stall in sys_unshare (6) kernfs 1 1 1446d 1446d 0/29 auto-closed as invalid on 2022/05/15 15:21
upstream INFO: rcu detected stall in sys_unshare mm 1 3 2250d 2250d 0/29 closed as invalid on 2019/12/04 14:04
upstream INFO: rcu detected stall in sys_unshare (4) kernel 1 1 1609d 1609d 0/29 auto-closed as invalid on 2021/12/03 09:38
upstream INFO: rcu detected stall in sys_unshare (7) bpf net 1 12 1062d 1193d 0/29 auto-obsoleted due to no activity on 2023/06/03 15:22
linux-6.1 INFO: rcu detected stall in sys_unshare origin:upstream missing-backport 1 C unreliable 5 511d 788d 0/3 upstream: reported C repro on 2023/12/04 08:29
android-5-15 BUG: soft lockup in sys_unshare 1 1 635d 635d 0/2 auto-obsoleted due to no activity on 2024/08/03 08:28
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/02/23 06:07 37m retest repro upstream OK log
2024/10/26 22:53 23m retest repro upstream OK log
2024/10/21 09:49 3h35m retest repro upstream OK log
2024/08/17 22:32 2h32m retest repro upstream report log
2024/08/17 22:32 17m retest repro upstream report log
2024/05/28 18:20 3h04m retest repro upstream report log
2024/05/28 17:31 19m retest repro upstream report log
2024/05/27 22:41 25m retest repro upstream report log
2024/03/18 11:00 1h07m retest repro upstream error
2024/03/18 11:00 7h44m retest repro upstream error
▶ ▼ Fix bisection attempts (6)
Created Duration User Patch Repo Result
2025/03/11 08:23 7h32m bisect fix upstream OK (1) job log
2024/09/02 22:19 1h38m bisect fix upstream OK (0) job log log
2024/08/03 20:07 2h09m bisect fix upstream OK (0) job log log
2024/06/07 03:02 2h10m bisect fix upstream OK (0) job log log
2024/01/07 02:12 1h35m bisect fix upstream OK (0) job log log
2023/12/07 20:41 3h39m bisect fix upstream OK (0) job log log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5912/1:b..l P24293/1:b..l P24301/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=151917, q=604 ncpus=2)
task:syz.6.3714      state:R  running task     stack:26368 pid:24301 tgid:24300 ppid:23829  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x5e/0x330 kernel/locking/lockdep.c:5872
Code: 05 bb 49 01 12 83 f8 07 0f 87 a4 02 00 00 48 0f a3 05 46 eb d4 0e 0f 82 6f 02 00 00 8b 35 1e 1e d5 0e 85 f6 0f 85 8a 00 00 00 <48> 8b 44 24 30 65 48 2b 05 5d 49 01 12 0f 85 b8 02 00 00 48 83 c4
RSP: 0018:ffffc90004d57360 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8dc1b4e4 RDI: ffffffff8bfa33a0
RBP: ffffffff8e5e3120 R08: 00000000094f124c R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xd1/0x1ea0 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5657 [inline]
 __kmalloc_node_track_caller_noprof+0x357/0x9d0 mm/slub.c:5768
 kmemdup_noprof+0x29/0x60 mm/util.c:138
 kmemdup_noprof include/linux/fortify-string.h:765 [inline]
 mpls_dev_sysctl_register+0xd3/0x2a0 net/mpls/af_mpls.c:1422
 mpls_add_dev net/mpls/af_mpls.c:1490 [inline]
 mpls_dev_notify+0x365/0x920 net/mpls/af_mpls.c:1635
 notifier_call_chain+0x99/0x3b0 kernel/notifier.c:85
 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2243
 call_netdevice_notifiers_extack net/core/dev.c:2281 [inline]
 call_netdevice_notifiers net/core/dev.c:2295 [inline]
 register_netdevice+0x16b9/0x21d0 net/core/dev.c:11444
 __ip_tunnel_create+0x52b/0x670 net/ipv4/ip_tunnel.c:268
 ip_tunnel_init_net+0x230/0x780 net/ipv4/ip_tunnel.c:1147
 ops_init+0x1e2/0x5f0 net/core/net_namespace.c:137
 setup_net+0x118/0x3a0 net/core/net_namespace.c:446
 copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
 create_new_namespaces+0x3ea/0xab0 kernel/nsproxy.c:130
 unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
 ksys_unshare+0x455/0xab0 kernel/fork.c:3171
 __do_sys_unshare kernel/fork.c:3242 [inline]
 __se_sys_unshare kernel/fork.c:3240 [inline]
 __x64_sys_unshare+0x31/0x40 kernel/fork.c:3240
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5af7d9aeb9
RSP: 002b:00007f5af8b99028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f5af8015fa0 RCX: 00007f5af7d9aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000080
RBP: 00007f5af7e08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5af8016038 R14: 00007f5af8015fa0 R15: 00007ffd3afc2188
 </TASK>
task:syz.3.3711      state:R  running task     stack:23256 pid:24293 tgid:24293 ppid:22346  task_flags:0x400640 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x51d/0x1ea0 arch/x86/kernel/unwind_orc.c:527
Code: ff ff 3c 01 0f 84 7b fe ff ff 4c 8d 41 04 4c 89 fe 48 b8 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ee 03 48 c1 ea 03 0f b6 14 02 <0f> b6 04 06 4c 89 c6 83 e6 07 40 38 f2 40 0f 9e c6 84 d2 0f 95 c2
RSP: 0018:ffffc90004d66398 EFLAGS: 00000a03
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff9160c988
RDX: 0000000000000000 RSI: 1ffffffff22c1931 RDI: ffffffff90d75284
RBP: ffffc90004d66450 R08: ffffffff9160c98c R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000014a14 R12: ffffc90004d66458
R13: ffffc90004d66408 R14: ffffc90004d6643d R15: ffffffff9160c98d
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __set_page_owner+0x8c/0x540 mm/page_owner.c:341
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1e1/0x250 mm/page_alloc.c:1884
 prep_new_page mm/page_alloc.c:1892 [inline]
 get_page_from_freelist+0xe3d/0x2e10 mm/page_alloc.c:3945
 __alloc_frozen_pages_noprof+0x26c/0x2410 mm/page_alloc.c:5240
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486
 folio_alloc_mpol_noprof+0x36/0x340 mm/mempolicy.c:2505
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1913
 shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:1955
 shmem_get_folio_gfp+0x6ab/0x1900 mm/shmem.c:2579
 shmem_get_folio mm/shmem.c:2685 [inline]
 shmem_write_begin+0x1a4/0x420 mm/shmem.c:3338
 generic_perform_write+0x292/0xa40 mm/filemap.c:4314
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3513
 __kernel_write_iter+0x2ac/0x920 fs/read_write.c:619
 dump_emit_page fs/coredump.c:1298 [inline]
 dump_user_range+0x3f9/0xb50 fs/coredump.c:1372
 elf_core_dump+0x2d16/0x3c60 fs/binfmt_elf.c:2111
 coredump_write fs/coredump.c:1049 [inline]
 do_coredump fs/coredump.c:1126 [inline]
 vfs_coredump+0x276c/0x5530 fs/coredump.c:1200
 get_signal+0x1f2a/0x21e0 kernel/signal.c:3019
 arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:75 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline]
 irqentry_exit+0x1f8/0x670 kernel/entry/common.c:196
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fda76d9aec1
RSP: 002b:0000080000000002 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fda77015fa0 RCX: 00007fda76d9aeb9
RDX: 0000000000000000 RSI: 0000080000000002 RDI: 0100000020003b49
RBP: 00007fda76e08c1f R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fda77016038 R14: 00007fda77015fa0 R15: 00007ffedb1cb7d8
 </TASK>
task:kworker/1:4     state:R  running task     stack:25912 pid:5912  tgid:5912  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient gc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7194
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__kasan_check_byte+0x19/0x50 mm/kasan/common.c:578
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 41 54 49 89 f4 55 48 89 fd 53 e8 6d 20 00 00 89 c3 84 c0 74 0b <89> d8 5b 5d 41 5c e9 cc b1 07 09 4c 89 e1 48 89 ef 31 d2 be 01 00
RSP: 0018:ffffc90004d17a48 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff89957632 RDI: fffffbfff1cbc624
RBP: ffffffff8e5e3120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040000 R11: 0000000000000000 R12: ffffffff89957632
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 kasan_check_byte include/linux/kasan.h:402 [inline]
 lock_acquire kernel/locking/lockdep.c:5842 [inline]
 lock_acquire+0xf5/0x330 kernel/locking/lockdep.c:5825
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 gc_worker+0x222/0x1630 net/netfilter/nf_conntrack_core.c:1546
 process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: rcu_preempt kthread starved for 2887 jiffies! g151917 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28296 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
 __schedule_loop kernel/sched/core.c:6949 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:6964
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0xb00 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0x21e/0x320 kernel/rcu/tree.c:2285
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G     U       L      syzkaller #0 PREEMPT(full) 
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 96 7a 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 6b 17 00 fb f4 <e9> fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197df0 EFLAGS: 00000246
RAX: 00000000006918b7 RBX: ffff88801defdb80 RCX: ffffffff8b7414b5
RDX: 0000000000000000 RSI: ffffffff8dc41488 RDI: ffffffff8bfa33a0
RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10170a673d
R10: ffff8880b85339eb R11: 0000000000000000 R12: ffffed1003bdfb70
R13: 0000000000000001 R14: ffffffff90b771d0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881246e3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd3d5c1e8da CR3: 000000007edac000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x35b/0x4b0 kernel/sched/idle.c:332
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x148
 </TASK>

Crashes (101):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/30 10:20 upstream 4d310797262f bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/19 10:27 upstream 24d479d26b25 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/19 05:21 upstream e84d960149e7 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/18 12:12 upstream e84d960149e7 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2026/01/17 21:46 upstream d3eeb99bbc99 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/17 08:37 upstream 39d3389331ab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2026/01/07 16:33 upstream f0b9d8eb98df d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/06 23:33 upstream f0b9d8eb98df d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2026/01/02 19:40 upstream 9b0436804460 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/12/28 04:55 upstream d26143bb38e2 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/12/25 18:41 upstream ccd1cdca5cd4 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/12/21 10:48 upstream 9094662f6707 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2025/12/20 17:21 upstream dd9b004b7ff3 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/12/17 10:52 upstream ea1013c15392 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/12/08 14:55 upstream c2f2b01b74be d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2025/12/04 01:08 upstream a619fe35ab41 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2025/12/02 02:46 upstream 1d18101a644e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_unshare
2025/11/28 10:53 upstream aa7243aaf194 e8331348 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/24 18:54 upstream ac3fd01e4c1e bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/24 02:47 upstream d0e88704d96c 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/16 19:34 upstream 7254a2b52279 f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/12 04:29 upstream 24172e0d7990 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/11 14:57 upstream 4427259cc7f7 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/11/03 17:53 upstream 6146a0f1dfae 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/10/23 03:02 upstream dd72c8fcf6d3 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/10/22 13:01 upstream 552c50713f27 252fbbad .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/10/17 19:20 upstream 98ac9cc4b445 e18aa505 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/10/17 09:43 upstream 98ac9cc4b445 e18aa505 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/10/16 18:31 upstream 7ea30958b305 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2025/10/15 07:10 upstream 9b332cece987 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_unshare
2025/10/15 03:03 upstream 9b332cece987 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_unshare
2025/10/12 04:47 upstream 98906f9d850e ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/10/06 10:34 upstream 7a405dbb0f03 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_unshare
2025/09/11 17:59 upstream 02ffd6f89c50 fdeaa69b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_unshare
2025/09/10 15:21 upstream 9dd1835ecda5 fdeaa69b .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/08/30 17:39 upstream 11e7861d680c 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/08/13 00:18 upstream 0e39a731820a 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_unshare
2025/06/30 15:31 upstream d0b3b7b22dfa fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_unshare
2024/03/04 02:30 upstream 58c806d867bf 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_unshare
2024/02/27 21:09 upstream 45ec2f5f6ed3 05e69c83 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_unshare
2023/11/07 00:07 upstream d2f51b3516da 78fae24e .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/09/09 19:36 upstream f777d1112ee5 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in sys_unshare
2025/11/21 02:26 net 8e621c9a3375 280ea308 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_unshare
2025/11/02 11:35 net d7d2fcf7ae31 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_unshare
2025/09/18 19:41 net 4c05c7ed880f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_unshare
2026/01/17 14:27 net-next 74ecff77dace d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_unshare
2026/01/10 12:14 net-next 72dc44679b14 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_unshare
2025/12/26 15:58 net-next 7b8e9264f55a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_unshare
2025/08/12 16:38 net-next bc4c0a48bdad c06e8995 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_unshare
2025/12/09 19:21 linux-next c75caf76ed86 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/11/24 19:58 linux-next 422f3140bbcb bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/10/30 17:00 linux-next 131f3d9446a6 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_unshare
2025/10/02 15:36 linux-next 3b9b1f8df454 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in sys_unshare
2025/09/17 02:27 linux-next 05af76471921 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_unshare
* Struck through repros no longer work on HEAD.