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INFO: rcu detected stall in sys_pipe2 (2)

Status: upstream: reported syz repro on 2024/11/10 15:52
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+693a483dd6ac06c62b09@syzkaller.appspotmail.com
First crash: 607d, last: 8d22h
Cause bisection: introduced by (bisect log) :
commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@redhat.com>
Date: Mon May 8 06:17:44 2023 +0000

  Revert "softirq: Let ksoftirqd do its job"

Crash: no output from test machine (log)
Repro: syz .config
  
Fix bisection: fixed by (bisect log) :
commit 66951e4860d3c688bfa550ea4a19635b57e00eca
Author: Peter Zijlstra <peterz@infradead.org>
Date: Mon Jan 13 12:50:11 2025 +0000

  sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE

  
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
4b7f2912-e34d-47fc-8d81-05eca925a366 assessment-security 💥 INFO: rcu detected stall in sys_pipe2 (2) 2026/05/14 14:16 2026/05/14 14:16 2026/05/14 14:18 6ccb967e465e832a7bfd7a116ad00d52a0923a5d failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/222a90c65565bedf03b9f79ba6ed4230286d5394" "-s" "bzImage" "compile_commands.json"]: exit status 2 Root cause: error: unable to open output file 'sound/usb/caiaq/device.o': 'No such file or directory' /app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/lib/maple_tree.c:3514:20: warning: stack frame size (2424) exceeds limit (2048) in 'mas_wr_store_entry' [-Wframe-larger-than] 3514 | static inline void mas_wr_store_entry(struct ma_wr_state *wr_mas) | ^ 1 warning generated. /app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/security/apparmor/apparmorfs.c:177:28: warning: unused function 'get_loaddata_common_ref' [-Wunused-function] 177 | static struct aa_loaddata *get_loaddata_common_ref(struct aa_common_ref *ref) | ^~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. /app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/security/apparmor/policy_unpack.c:1727:5: warning: stack frame size (2872) exceeds limit (2048) in 'aa_unpack' [-Wframe-larger-than] 1727 | int aa_unpack(struct aa_loaddata *udata, struct list_head *lh, | ^ 1 warning generated. /app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/sound/usb/mixer_s1810c.c:634:5: warning: stack frame size (2360) exceeds limit (2048) in 'snd_sc1810_init_mixer' [-Wframe-larger-than] 634 | int snd_sc1810_init_mixer(struct usb_mixer_interface *mixer) | ^ 1 warning generated. /app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/net/ethtool/cmis_fw_update.c:432:1: warning: stack frame size (2392) exceeds limit (2048) in 'ethtool_cmis_fw_update' [-Wframe-larger-than] 432 | ethtool_cmis_fw_update(struct ethtool_cmis_fw_update_params *fw_update) | ^ 1 warning generated. /bin/sh: 1: printf: printf: I/O error ar: net/ethtool/built-in.a: No space left on device make[6]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:487: drivers/vdpa/vdpa_sim/modules.order] Error 1 make[6]: *** Deleting file 'drivers/vdpa/vdpa_sim/modules.order' make[5]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:477: net/ethtool/built-in.a] Error 123 make[5]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:548: drivers/vdpa/vdpa_sim] Error 2 make[4]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:548: net/ethtool] Error 2 make[4]: *** Waiting for unfinished jobs.... make[4]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:548: drivers/vdpa] Error 2 make[4]: *** Waiting for unfinished jobs.... mkdir: cannot create directory 'kernel/livepatch': No space left on device ar: kernel/livepatch/built-in.a: No such file or directory make[5]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:477: kernel/livepatch/built-in.a] Error 1 make[4]: *** [/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/scripts/Makefile.build:548: kernel/livepatch] Error 2 make[4]: *** Waiting for unfinished jobs.... fatal error: error in backend: IO failure on output stream: No space left on device PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/clang --target=x86_64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument -fmacro-prefix-map=/app/workdir/cache/src/1e39944fbafaaa3768fe503059b27f6727d79506/= -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=gnu11 -fms-extensions -Wno-gnu -Wno-microsoft-anon-tag -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -mno-sse4a -fcf-protection=branc
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] INFO: rcu detected stall in sys_pipe2 (2) 0 (4) 2025/12/26 16:43
▶ ▼ Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 INFO: rcu detected stall in sys_pipe2 1 3 126d 167d 0/2 auto-obsoleted due to no activity on 2026/04/24 18:55
upstream INFO: rcu detected stall in sys_pipe2 fs 1 1 1674d 1674d 0/29 auto-closed as invalid on 2022/01/17 19:05
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2025/11/21 02:36 23m retest repro net-next report log
2025/09/06 23:10 19m retest repro net-next report log
2025/05/05 15:17 23m retest repro net-next report log
2025/02/04 13:24 19m retest repro net-next report log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5613/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=30505, q=1029299 ncpus=2)
task:syz-executor    state:R  running task     stack:20984 pid:5613  tgid:5613  ppid:5612   task_flags:0x400100 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:-1 [inline]
RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:409 [inline]
RIP: 0010:deref_stack_reg+0x81/0x230 arch/x86/kernel/unwind_orc.c:419
Code: 08 4d 8d 77 10 4d 89 f5 49 c1 ed 03 41 80 7c 35 00 00 74 16 4c 89 f7 e8 5d e5 b9 00 4c 8b 04 24 48 be 00 00 00 00 00 fc ff df <4c> 89 74 24 08 4d 8b 77 10 4c 89 fd 48 c1 ed 03 0f b6 44 35 00 84
RSP: 0018:ffffc9000393f740 EFLAGS: 00000246
RAX: fffffffffffffff0 RBX: ffffc90003938000 RCX: 0000000000000000
RDX: ffffc9000393f8a8 RSI: dffffc0000000000 RDI: ffffc9000393f868
RBP: dffffc0000000000 R08: ffffc9000393fda0 R09: 0000000000000000
R10: ffffc9000393f8b8 R11: fffff52000727f19 R12: 1ffff92000727f0e
R13: 1ffff92000727f0f R14: ffffc9000393f878 R15: ffffc9000393f868
 unwind_next_frame+0x19d5/0x2550 arch/x86/kernel/unwind_orc.c:-1
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943
 __slab_free+0x274/0x2c0 mm/slub.c:5612
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5295 [inline]
 __kmalloc_noprof+0x35c/0x760 mm/slub.c:5307
 kmalloc_noprof include/linux/slab.h:954 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 alloc_pipe_info+0x1fc/0x4d0 fs/pipe.c:817
 get_pipe_inode fs/pipe.c:896 [inline]
 create_pipe_files+0x8a/0x7e0 fs/pipe.c:928
 __do_pipe_flags+0x46/0x1f0 fs/pipe.c:990
 do_pipe2+0xaa/0x190 fs/pipe.c:1038
 __do_sys_pipe2 fs/pipe.c:1056 [inline]
 __se_sys_pipe2 fs/pipe.c:1054 [inline]
 __x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1054
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fec9679be09
RSP: 002b:00007ffc4b5b0778 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 0000555562ec7c50 RCX: 00007fec9679be09
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 00007ffc4b5b0788
RBP: 00007ffc4b5b0d50 R08: 0000000000000510 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc4b5b08b0
R13: 0000555562ecafb0 R14: 0000555562ec8a30 R15: 00007ffc4b5b08d0
 </TASK>

Crashes (118):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/12 14:50 upstream 50897c955902 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2026/04/18 15:11 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2026/03/07 14:37 upstream 651690480a96 5cb44a80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2026/02/15 16:17 upstream ca4ee40bf13d 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2026/01/22 11:30 upstream a66191c590b3 a16aed1d .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_pipe2
2025/11/24 23:25 upstream ac3fd01e4c1e bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/11/22 21:08 upstream 2eba5e05d9bc 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/11/06 21:56 upstream c2c2ccfd4ba7 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_pipe2
2025/11/05 05:44 upstream c9cfc122f037 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/10/23 11:08 upstream 250a17e8f955 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_pipe2
2025/09/27 12:24 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_pipe2
2025/09/24 07:14 upstream cec1e6e5d1ab 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/09/16 10:02 upstream 46a51f4f5eda e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/08/17 23:28 upstream 8d561baae505 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/08/07 07:35 upstream cca7a0aae895 4bd24a3e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/08/04 11:59 upstream 038d61fd6422 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/07/10 07:35 upstream 8c2e52ebbe88 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/06/20 02:31 upstream 24770983ccfe ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/04/21 13:08 upstream 9d7a0577c9db 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/04/19 19:37 upstream 8560697b23dc 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/04/09 05:45 upstream bec7dcbc242c b133e63a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/04/05 03:53 upstream e48e99b6edf4 1c4febdb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/03/27 13:17 upstream 1e1ba8d23dae 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/03/21 00:25 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/03/03 00:42 upstream b91872c56940 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/02/28 22:48 upstream 76544811c850 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/02/18 15:01 upstream 2408a807bfc3 c37c7249 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/02/13 04:02 upstream 4dc1d1bec898 b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/02/07 06:00 upstream bb066fe812d6 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/16 04:11 upstream 619f0b6fad52 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/13 11:46 upstream 5bc55a333a2f 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2025/01/10 01:33 upstream eea6e4b4dfb8 40f46913 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/07 14:54 upstream fbfd64d25c7a f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/06 09:44 upstream ab75170520d4 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/29 09:17 upstream 059dd502b263 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2024/12/21 20:55 upstream e84a3bf7f4aa d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2024/11/07 19:11 upstream ff7afaeca1a1 c069283c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_pipe2
2024/11/06 08:01 upstream 2e1b3cc9d7f7 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/11/01 06:54 upstream 6c52d4da1c74 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_pipe2
2025/08/20 18:19 upstream b19a97d57c15 bd178e57 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in sys_pipe2
2025/06/12 16:12 upstream 2c4a1f3fe03e 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in sys_pipe2
2026/05/04 22:43 net bd3a4795d574 a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2026/05/03 08:32 net 1d324c2f43f7 a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/21 09:44 net d640627663bf 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/20 23:38 net 4395a44acb15 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/20 02:51 net bc50835e83f6 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/15 17:18 net 001ba0902046 7315a7cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/13 03:47 net 47e55e4b410f 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/28 02:29 net a024e377efed d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/27 06:45 net b3a69c559899 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_pipe2
2026/04/06 10:59 net-next 3741f8fa004b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/05/16 08:37 net-next 1119e5519dcd cfde8269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/07 17:00 net-next 912d6f669725 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/01/02 07:35 net-next 9268abe611b0 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/28 12:24 net-next 9268abe611b0 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/25 00:21 net-next 9268abe611b0 444551c4 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/22 00:48 net-next ae418e95dd93 d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2024/12/19 22:11 net-next 6b3099ebca13 1d58202c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_pipe2
2025/08/23 02:18 linux-next 7fa4d8dc380f bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_pipe2
2025/07/22 15:05 linux-next d086c886ceb9 1555463b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_pipe2
2024/12/23 12:01 linux-next 8155b4ef3466 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_pipe2
* Struck through repros no longer work on HEAD.