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INFO: rcu detected stall in evdev_write (4)

Status: auto-obsoleted due to no activity on 2024/11/24 21:52
Subsystems: input
[Documentation on labels]
First crash: 135d, last: 121d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in evdev_write input 1 1864d 1864d 0/28 auto-closed as invalid on 2020/02/17 08:16
upstream INFO: rcu detected stall in evdev_write (3) input 1 234d 234d 0/28 auto-obsoleted due to no activity on 2024/07/04 22:31
upstream INFO: rcu detected stall in evdev_write (2) input 1 1651d 1651d 0/28 auto-closed as invalid on 2020/09/17 03:51

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2667 jiffies s: 37269 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 10501 Comm: syz.4.1379 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:timerqueue_add+0x262/0x290 lib/timerqueue.c:40
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 74 e5 4a f6 4c 89 3b 4d 85 ff 0f 95 c3 4c 89 ff 4c 89 e6 e8 70 68 ff ff 89 d8 <48> 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d e9 86 55 40 00 e8 86 a2
RSP: 0018:ffffc90000007cc0 EFLAGS: 00000086
RAX: 00000000b922c901 RBX: ffff8880b922c901 RCX: dffffc0000000000
RDX: 0000000000000018 RSI: ffff8880b922c9d0 RDI: ffff888011c4c340
RBP: 1ffff11002389868 R08: ffff888011c4c357 R09: ffff888011c4c340
R10: dffffc0000000000 R11: ffffed100238986b R12: ffff8880b922c9d0
R13: ffff8880b922c9d0 R14: 0000000000000000 R15: ffff888011c4c340
FS:  00007f4160d146c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204fc000 CR3: 0000000069894000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 enqueue_hrtimer+0x1b2/0x3c0 kernel/time/hrtimer.c:1093
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae d9 39 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 43 0c a2 f5 65 8b 05 b4 e0 42 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000355fae0 EFLAGS: 00000206
RAX: a20b2c57b563f300 RBX: 1ffff920006abf60 RCX: ffffffff8170414a
RDX: dffffc0000000000 RSI: ffffffff8c0ad540 RDI: 0000000000000001
RBP: ffffc9000355fb70 R08: ffffffff937348ef R09: 1ffffffff26e691d
R10: dffffc0000000000 R11: fffffbfff26e691e R12: dffffc0000000000
R13: 1ffff920006abf5c R14: ffffc9000355fb00 R15: 0000000000000246
 evdev_write+0x672/0x7c0 drivers/input/evdev.c:521
 vfs_write+0x2a4/0xc90 fs/read_write.c:588
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f415ff79e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4160d14038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4160115f80 RCX: 00007f415ff79e79
RDX: 0000000100000008 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f415ffe793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4160115f80 R15: 00007fff0f6f8c78
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/26 21:50 upstream 5be63fc19fca 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in evdev_write
2024/08/13 02:25 upstream d74da846046a 7b0f4b46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in evdev_write
* Struck through repros no longer work on HEAD.