INFO: rcu detected stall in kcov_close

Status: upstream: reported on 2024/08/12 12:28
Subsystems: mm
Labels: prio:normal
[Documentation on labels]
Reported-by: syzbot+894cac40ce97c83618bb@syzkaller.appspotmail.com
First crash: 906d, last: 2d03h
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ID Workflow Result Correct Bug Created Started Finished Revision
473ebbe0 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: rcu detected stall in kcov_close 2026/05/22 01:12 2026/05/22 01:12 2026/05/22 02:01 d5742584
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Title Replies (including bot) Last reply
[syzbot] [mm?] INFO: rcu detected stall in kcov_close 0 (1) 2024/08/12 12:28
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 INFO: rcu detected stall in kcov_close (2) 1 5 38d 173d 0/2 upstream: reported on 2026/05/21 10:08
linux-6.1 INFO: rcu detected stall in kcov_close 1 6 848d 898d 0/3 auto-obsoleted due to no activity on 2024/10/23 16:14
linux-6.6 INFO: rcu detected stall in kcov_close 1 1 325d 325d 0/2 auto-obsoleted due to no activity on 2026/03/31 08:37
linux-5.15 BUG: soft lockup in kcov_close 1 1 898d 898d 0/3 auto-obsoleted due to no activity on 2024/09/03 09:36
upstream INFO: task hung in release_tty (3) serial 1 3 732d 798d 0/29 auto-obsoleted due to no activity on 2025/02/07 03:06

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5637/1:b..l..
rcu: 	(detected by 0, t=10502 jiffies, g=15241, q=1113 ncpus=2)
task:syz-executor    state:R  running task     stack:21704 pid:5637  tgid:5637  ppid:1      task_flags:0x40054c flags:0x00080003
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7662
 irqentry_exit_cond_resched arch/x86/include/asm/fred.h:105 [inline]
 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:453 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
 irqentry_exit+0x33f/0xab0 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_release+0x19e/0x310 kernel/locking/lockdep.c:5968
Code: ff 65 0f c1 05 9b 23 d1 13 83 f8 01 0f 85 27 01 00 00 9c 58 f6 c4 02 0f 85 12 01 00 00 41 f7 c6 00 02 00 00 0f 85 c8 00 00 00 <48> 8b 44 24 10 65 48 2b 05 dd d9 d0 13 0f 85 4d 01 00 00 48 83 c4
RSP: 0018:ffffc90003f27478 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8ffeb2a0 RCX: ffffc90003f27484
RDX: 0000000000000000 RSI: ffffffff8e6007ed RDI: ffffffff8c835380
RBP: ffffffff81bb3d7e R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 000000000000ad92 R12: ffff8880758f0000
R13: ffffc90003f27530 R14: 0000000000000202 R15: 0000000000000001
 rcu_lock_release include/linux/rcupdate.h:319 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0x3c3/0x2090 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
 save_stack+0x162/0x1e0 mm/page_owner.c:183
 __reset_page_owner+0x85/0x230 mm/page_owner.c:338
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1403 [inline]
 free_pages_prepare+0x586/0xe00 mm/page_alloc.c:1448
 __free_contig_range_common+0x14f/0x250 mm/page_alloc.c:7062
 __free_contig_range mm/page_alloc.c:7107 [inline]
 free_pages_bulk+0x125/0x1f0 mm/page_alloc.c:5330
 vm_area_free_pages+0xb2/0x2a0 mm/vmalloc.c:3498
 vfree mm/vmalloc.c:3547 [inline]
 vfree+0xfc/0x850 mm/vmalloc.c:3521
 kcov_put kernel/kcov.c:467 [inline]
 kcov_put kernel/kcov.c:463 [inline]
 kcov_close+0x34/0x60 kernel/kcov.c:574
 __fput+0x3fb/0xb50 fs/file_table.c:512
 fput_close_sync+0x118/0x250 fs/file_table.c:618
 filp_close_sync+0x75/0xa0 fs/open.c:1573
 close_files fs/file.c:572 [inline]
 put_files_struct fs/file.c:584 [inline]
 put_files_struct+0x1f7/0x390 fs/file.c:581
 switch_files_struct fs/file.c:598 [inline]
 exit_files+0x85/0xb0 fs/file.c:604
 do_exit+0x896/0x2a00 kernel/exit.c:977
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1123
 get_signal+0x1f58/0x22e0 kernel/signal.c:3113
 arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101
 __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:343 [inline]
 do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff55cd5fd8e
RSP: 002b:00007ffde15b1128 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00005555834fc500 RCX: 00007ff55cd5fd8e
RDX: 0000000040000000 RSI: 00007ffde15b11cc RDI: ffffffffffffffff
RBP: 00007ffde15b11cc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000024
R13: 000055558350fa10 R14: 000000000001c6b7 R15: 00007ffde15b1220
 </TASK>
rcu: rcu_preempt kthread starved for 467 jiffies! g15241 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->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:27464 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x125e/0x6990 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7474
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1a9/0x930 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x179/0x260 kernel/rcu/tree.c:2330
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:__lock_acquire+0x337/0x1f40 kernel/locking/lockdep.c:5224
Code: 09 f0 81 e2 00 00 04 00 41 c1 e1 13 44 09 e8 09 d0 8b 94 24 c8 00 00 00 44 09 c8 c1 e2 14 09 d0 8b 94 24 b8 00 00 00 c1 e2 15 <09> d0 8b 53 20 81 e2 ff 1f 00 00 09 d0 8b 94 24 c0 00 00 00 89 43
RSP: 0018:ffffc90000a07ec8 EFLAGS: 00000046
RAX: 0000000000022000 RBX: ffff88801fe93180 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff88801fe93158 RDI: ffffffff8ffeb2a0
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000001 R12: ffff88801fe92580
R13: 0000000000020000 R14: 0000000000000000 R15: ffffffff8ffeb2a0
FS:  0000000000000000(0000) GS:ffff88812257f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d07ddd360 CR3: 000000005bfd0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lock_acquire kernel/locking/lockdep.c:5942 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xd1/0x2090 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
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4720 [inline]
 slab_alloc_node mm/slub.c:5033 [inline]
 kmem_cache_alloc_node_noprof+0x282/0x6e0 mm/slub.c:5105
 __alloc_skb+0x140/0x710 net/core/skbuff.c:705
 alloc_skb include/linux/skbuff.h:1390 [inline]
 synproxy_send_client_synack+0x1a7/0x990 net/netfilter/nf_synproxy_core.c:463
 nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]
 nft_synproxy_do_eval+0xa61/0xd20 net/netfilter/nft_synproxy.c:142
 expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]
 nft_do_chain+0x2e5/0x19e0 net/netfilter/nf_tables_core.c:285
 nft_do_chain_inet+0xf3/0x400 net/netfilter/nft_chain_filter.c:162
 nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline]
 nf_hook_slow+0xbf/0x220 net/netfilter/core.c:633
 nf_hook.constprop.0+0x2a6/0x750 include/linux/netfilter.h:280
 NF_HOOK include/linux/netfilter.h:323 [inline]
 ip_local_deliver+0x16c/0x200 net/ipv4/ip_input.c:262
 dst_input include/net/dst.h:481 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:492 [inline]
 NF_HOOK include/linux/netfilter.h:325 [inline]
 NF_HOOK include/linux/netfilter.h:319 [inline]
 ip_rcv+0x33a/0x3c0 net/ipv4/ip_input.c:612
 __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:6433
 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6546
 process_backlog+0x487/0x1600 net/core/dev.c:6897
 __napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7966
 napi_poll net/core/dev.c:8029 [inline]
 net_rx_action+0xa40/0xf20 net/core/dev.c:8186
 handle_softirqs+0x216/0xa20 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 invoke_softirq kernel/softirq.c:542 [inline]
 __irq_exit_rcu+0x178/0x220 kernel/softirq.c:786
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 07 a2 02 e9 43 61 03 00 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 c3 2d 1e 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197e00 EFLAGS: 00000246
RAX: 00000000009c923f RBX: ffff88801fe92580 RCX: ffffffff8bed9325
RDX: 0000000000000001 RSI: ffffffff8e6277e2 RDI: ffffffff8c835380
RBP: ffffed1003fd24b0 R08: 0000000000000001 R09: ffffed1017026825
R10: ffff8880b813412b R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000032fc4 R15: dffffc0000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:768
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3ae/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>

Crashes (267):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/31 23:51 upstream 36aad21d50d1 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/10/31 07:22 upstream d89e1d186ec9 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/10/29 17:59 upstream c339f4010dea b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/10/29 13:31 upstream c339f4010dea b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/10/28 20:52 upstream 65ba8f34ec88 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/10/28 01:43 upstream 62c457528529 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/10/18 11:27 upstream 32c52ec87d62 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/10/15 22:33 upstream 0fcb05b72344 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/10/08 10:32 upstream 7b63ef2d55f2 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/09/26 02:06 upstream aa98230e410f f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/09/17 00:17 upstream 9b87fdc9af2f 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/09/14 08:28 upstream 704340f1cd0d 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/09/09 10:28 upstream 893e11787f78 8387c273 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/09/04 10:15 upstream 841e384b841a 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/08/16 06:15 upstream 3eb40771c00a 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/08/14 09:43 upstream 2f1baf1fc892 b13552fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/12 04:47 upstream f5bbbfec59b4 f8d35649 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/10 04:18 upstream b643e495ae92 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/08/06 17:37 upstream 0d8395707651 c38879ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/08/05 11:31 upstream c21bb4193868 b3eac40e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/01 20:08 upstream 0131b508c0e2 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/07/29 07:14 upstream 3b5f4b83c4ab 19622d9d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/07/27 10:29 upstream 4235cb24ec1e 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/07/09 10:44 upstream 0e35b9b6ec0f b9f1ceaa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/24 09:01 upstream f31c00c377cc 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/06/23 04:34 upstream ef0c9f75a195 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/06/13 05:38 upstream 1dadb7e7eb5a 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/07 00:03 upstream 8e65320d91cd cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/06 13:07 upstream c10130c234c8 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/05/20 22:24 upstream df685633c3db 62fb93a2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/04/20 19:54 upstream c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in kcov_close
2026/02/24 16:44 upstream 7dff99b35460 96b1aa46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/21 08:23 upstream 9094662f6707 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in kcov_close
2024/08/08 12:18 upstream 6a0e38264012 de12cf65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2024/07/23 15:26 upstream 66ebbdfdeb09 708c10c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in kcov_close
2026/09/29 00:58 upstream 72d3fcf802c4 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2026/07/28 00:34 upstream f5098b6bae76 4cb2b096 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2026/08/24 02:05 net 7cbfb180945c 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/21 22:52 net 746fc0787f61 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/21 13:00 net 746fc0787f61 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/17 02:25 net 24ef02f934ee 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/02 09:29 net af39eb111ce6 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/07/09 23:26 net f5089008f90c 4167ee25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/21 04:04 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/18 09:49 net b85966adbf5d b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/13 18:31 net 05f5368cf3e9 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/12 09:18 net 9bf10032894f e93da63e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/12 03:25 net 9bf10032894f e93da63e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/06/12 00:08 net 7360b9609980 d93a6ab6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2026/09/04 12:53 net-next 7042c8c193e5 801f0966 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/23 13:04 net-next 91ec20351349 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2026/08/12 21:21 net-next ac155a26750a 7ae4acc7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2026/07/26 12:27 net-next 04026c998c24 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2026/07/05 02:14 net-next b73bc9ca3686 fcece630 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2026/11/09 05:04 linux-next ddfe51b0a0f5 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/11/07 17:22 linux-next ddfe51b0a0f5 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/11/02 16:48 linux-next 7649ba73f9e7 0a94d799 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in kcov_close
2026/10/24 13:02 linux-next 20a33c6b6cbe 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/10/09 20:30 linux-next aac26bee2287 a8add9cd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/09/28 01:55 linux-next f5f84daefcd9 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/08/10 08:33 linux-next b1549501188c 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in kcov_close
2024/10/10 23:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in kcov_close
2024/07/17 15:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c912bf709078 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: rcu detected stall in kcov_close
2025/05/02 20:39 bpf-next f263336a41da b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in kcov_close
* Struck through repros no longer work on HEAD.