INFO: rcu detected stall in exit_to_user_mode_loop

Status: upstream: reported C repro on 2025/06/21 15:44
Subsystems: mm
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
First crash: 524d, last: 5h43m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
a35b7bbf assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: rcu detected stall in exit_to_user_mode_loop 2026/05/23 11:37 2026/05/23 11:37 2026/05/23 12:27 c69befb3
▶ ▼ Discussions (10)
Title Replies (including bot) Last reply
[PATCH net v3] net/sched: taprio: catch up in bounded time when the schedule falls behind 2 (2) 2026/09/03 00:36
[syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop 4 (11) 2026/09/01 08:22
[PATCH net v2 3/3] selftests/tc-testing: taprio: add case for the software minimum interval 3 (3) 2026/08/31 07:31
Re: [PATCH net v2 2/3] net/sched: taprio: enforce a minimum interval for software schedules 2 (2) 2026/08/31 07:30
[PATCH net v2 1/3] net/sched: taprio: catch up in bounded time when the schedule falls behind 3 (3) 2026/08/31 07:30
[PATCH net v2 0/3] net/sched: taprio: fix software schedule livelocks 2 (2) 2026/08/20 06:27
[PATCH net v2 2/3] net/sched: taprio: enforce a minimum interval for software schedules 1 (1) 2026/08/20 06:27
[PATCH net 0/3] net/sched: taprio: fix software schedule livelocks 5 (5) 2026/08/19 07:50
[PATCH net 3/3] selftests/tc-testing: taprio: add case for the software minimum interval 1 (1) 2026/08/18 07:17
[PATCH net 2/3] net/sched: taprio: enforce a minimum interval for software schedules 1 (1) 2026/08/18 07:17
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in netdev_run_todo (4) prio:high net 1 1054 4h07m 757d 0/29 upstream: reported on 2024/10/09 19:06
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2026/09/01 01:43 27m junjie.cao@intel.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git abdf623ddb75b24659018d3952d8f61937306ae5 OK job log log
2026/08/31 08:42 26m junjie.cao@intel.com patch git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git a8455260b2e9c024d1872ac1c094793d55a7e537 error job log
2026/08/17 05:22 25m junjie.cao@linux.dev patch git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git 24ef02f934eeb48830cff6b739abc3c62b1d107b OK job log log
2025/07/29 01:07 2h29m hdanton@sina.com patch upstream OK log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5665/3:b..l..
rcu: 	(detected by 1, t=10502 jiffies, g=13389, q=3 ncpus=2)
task:syz-executor327 state:R  running task     stack:28168 pid:5665  tgid:5665  ppid:5660   task_flags:0x400040 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7561
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
 _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
 spin_unlock include/linux/spinlock.h:401 [inline]
 filemap_map_pages+0x1aba/0x2170 mm/filemap.c:4015
 do_fault_around mm/memory.c:6027 [inline]
 do_read_fault mm/memory.c:6060 [inline]
 do_fault mm/memory.c:6203 [inline]
 do_pte_missing+0x2067/0x3570 mm/memory.c:4763
 handle_pte_fault mm/memory.c:6627 [inline]
 __handle_mm_fault mm/memory.c:6776 [inline]
 handle_mm_fault+0x1a53/0x3750 mm/memory.c:6943
 do_user_addr_fault+0xb35/0x1480 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f9652607830
RSP: 002b:00007ffdfd5684d8 EFLAGS: 00010246
RAX: 00000000fff7fffe RBX: 00007ffdfd568ab0 RCX: 0000000000000000
RDX: 0000000000080001 RSI: 00007f965267005e RDI: ffffffffffffff9c
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdfd568570
R13: 0000000000000000 R14: 00007ffdfd568aa0 R15: 0000000000000002
 </TASK>
rcu: rcu_preempt kthread starved for 10523 jiffies! g13389 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0
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:28104 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x1230 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x9c/0x340 kernel/rcu/tree.c:2330
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5666 Comm: syz-executor327 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:in_softirq_really kernel/kcov.c:-1 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:179 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x38/0x80 kernel/kcov.c:223
Code: f6 12 65 48 8b 15 08 ec f6 12 f7 c2 00 01 00 ff 74 29 89 d6 81 e6 00 01 00 0f 81 fe 00 01 00 00 40 0f 95 c6 81 fa 00 00 00 10 <0f> 93 c2 40 08 f2 75 35 83 b9 44 17 00 00 00 74 2c 8b 91 18 17 00
RSP: 0018:ffffc90000007cb8 EFLAGS: 00000087
RAX: ffffffff818bd825 RBX: ffff8880795d1f40 RCX: ffff8880795d1f40
RDX: 8000000001000003 RSI: 0000000001000001 RDI: ffff888079c94ec0
RBP: 0000000000000001 R08: 0000000001000001 R09: 1ffff1100f3929e2
R10: dffffc0000000000 R11: ffffed100f3929e3 R12: ffff888079c94ec0
R13: ffff888079c94e00 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00007f96525cc6c0(0000) GS:ffff888123620000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 0000000074334000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 posixtimer_queue_sigqueue+0x25/0x280 kernel/signal.c:1999
 posixtimer_send_sigqueue+0x4ba/0xbb0 kernel/signal.c:2152
 posix_timer_queue_signal kernel/time/posix-timers.c:365 [inline]
 posix_timer_fn+0x11d/0x190 kernel/time/posix-timers.c:380
 __run_hrtimer kernel/time/hrtimer.c:2075 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2132
 hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2251
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:220 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:229
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a 34 9f f5 48 89 df e8 42 ac 9f f5 e8 fd 44 cc f5 fb bf 01 00 00 00 <e8> 72 a0 90 f5 65 48 8b 05 4a e1 ba 08 48 85 c0 74 07 5b e9 3a 22
RSP: 0018:ffffc90003707c78 EFLAGS: 00000206
RAX: 0000000003c8bf53 RBX: ffff888027e52500 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e6a2302 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff919d6fbf R09: 1ffffffff233adf7
R10: dffffc0000000000 R11: fffffbfff233adf8 R12: 0000000000000021
R13: ffff888027e52998 R14: 000000001c000004 R15: dffffc0000000000
 spin_unlock_irq include/linux/spinlock.h:413 [inline]
 get_signal+0x1131/0x12c0 kernel/signal.c:3115
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 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+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f96525f5517
Code: 00 85 c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89
RSP: 002b:00007f96525cc138 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f96526a4b28 RCX: 00007f96525f5519
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f96526a4b28
RBP: 00007f96526a4b20 R08: 00007f96525cccdc R09: 00007f96525cccdc
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f96526a4b2c
R13: 0000000000000000 R14: 00007ffdfd568870 R15: 00007ffdfd568958
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.559 msecs

Crashes (1019):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/29 19:29 upstream c339f4010dea b1d00f76 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/07/27 21:40 upstream f5098b6bae76 4cb2b096 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/07/14 10:46 upstream 0f26556c5eee 2130f682 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/05/31 00:39 upstream f5e5d3509bff 6b4a8443 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/01/19 05:37 upstream 24d479d26b25 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/16 06:36 upstream 8f0b4cce4481 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/10 01:02 upstream cb015814f8b6 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/05 08:02 upstream 2aa680df6806 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/08/27 21:42 upstream 73e3f0710014 e2fa417d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in exit_to_user_mode_loop
2025/07/28 21:29 net afd8c2c9e2e2 c4a95487 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2025/09/01 17:09 linux-next 7fa4d8dc380f 807a3b61 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/29 21:27 upstream c339f4010dea b1d00f76 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/18 15:57 upstream ea1013c15392 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/08/25 15:40 upstream 66498c75b4f8 614e416a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in exit_to_user_mode_loop
2025/07/12 00:18 upstream 40f92e79b0aa 3cda49cf .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/24 06:17 net-next 7b8e9264f55a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/01/15 16:26 linux-next 9b7977f9e39b d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/01/13 03:33 linux-next f417b7ffcbef d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/01/05 03:22 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/25 00:13 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/24 11:19 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/24 09:55 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/12/08 02:55 linux-next 6987d58a9cbc d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/11/29 06:54 linux-next 7d31f578f323 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/11/24 00:24 linux-next d724c6f85e80 4fb8ef37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/11/23 11:41 linux-next d724c6f85e80 4fb8ef37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/02 09:50 upstream 46fec1c3029b 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 12:31 upstream cbbddb6b08cc 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/25 13:44 upstream 21a7f44fd076 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/25 06:42 upstream 5b0764a53235 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/23 07:16 upstream 2a08195e4db5 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/22 13:30 upstream 9ba46df34488 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/08/11 17:03 upstream f5bbbfec59b4 557a89d3 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in exit_to_user_mode_loop
2025/09/19 13:03 upstream 097a6c336d00 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: rcu detected stall in exit_to_user_mode_loop
2025/06/18 11:15 upstream 52da431bf03b ca631f70 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/06/17 15:38 upstream 9afe652958c3 417d98fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2025/06/12 11:07 upstream 2c4a1f3fe03e 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/09/29 05:07 upstream 72d3fcf802c4 7bf4ea23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/05 15:12 net 6c1c41effa34 5cecaf1f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/03 13:46 net c3e67bd82b9b 0a94d799 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/03 07:25 net c3e67bd82b9b 0a94d799 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/02 02:53 net cb284914e749 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 20:14 net cb284914e749 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 16:13 net cb284914e749 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/31 17:02 net cb284914e749 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/30 23:36 net d8a4f4c59da5 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/29 23:13 net dda51b737216 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/29 16:43 net dda51b737216 b1d00f76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/29 01:48 net fd1436a75ceb 858db2ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/28 09:58 net 5d7f3375cd57 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/27 00:19 net 6430fb7f1cc4 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/25 12:19 net 7076f684d513 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/23 20:09 net 734bef548a96 d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/22 22:26 net f4377bf85887 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/20 13:31 net 305deb54c6c2 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/20 03:33 net 78731b46967e 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/19 00:05 net 7ec48f396a1d 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/18 16:45 net 7ec48f396a1d 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/04 06:09 net-next 7b6ab4dbc156 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/03 12:43 net-next 7b6ab4dbc156 0a94d799 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/28 07:14 net-next 734bef548a96 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/27 07:01 net-next 734bef548a96 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/24 23:57 net-next 734bef548a96 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/24 12:26 net-next 734bef548a96 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/22 05:22 net-next 279d5c8afcd3 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/04 18:39 linux-next 8b7179210b22 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/04 16:19 linux-next 8b7179210b22 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 17:38 linux-next 7649ba73f9e7 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 06:21 linux-next 7649ba73f9e7 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/11/01 03:54 linux-next 7649ba73f9e7 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/31 21:53 linux-next 7649ba73f9e7 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/31 11:04 linux-next 7649ba73f9e7 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/30 11:42 linux-next a39c95080621 b498adee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/28 02:59 linux-next 151a134a4e6e 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/27 22:00 linux-next 151a134a4e6e 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/27 17:04 linux-next 151a134a4e6e 96923c60 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/26 06:09 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 exit_to_user_mode_loop
2026/10/26 03:16 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 exit_to_user_mode_loop
2026/10/25 10:57 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 exit_to_user_mode_loop
2026/10/25 04:05 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 exit_to_user_mode_loop
2026/10/24 18:21 linux-next 20a33c6b6cbe 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/23 23:27 linux-next 20a33c6b6cbe d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/22 19:47 linux-next bd1ecbb61afe 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/21 02:27 linux-next 8f7df005a756 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/18 13:32 linux-next 2efb7a11f1aa 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in exit_to_user_mode_loop
2026/02/01 08:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0a06917432a7 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in exit_to_user_mode_loop
2026/10/31 05:39 bpf d89e1d186ec9 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: soft lockup in exit_to_user_mode_loop
2026/11/05 04:39 bpf-next b3b9fd4dda09 2ee8459f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in exit_to_user_mode_loop
2026/11/04 11:15 bpf-next d346f5906967 5af5b6c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in exit_to_user_mode_loop
2026/10/27 02:08 bpf-next 4169c9c90532 168cb7a2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in exit_to_user_mode_loop
2026/09/30 18:08 bpf-next 99c3e74f8d96 892a21ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in exit_to_user_mode_loop
* Struck through repros no longer work on HEAD.