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INFO: rcu detected stall in syscall_enter_from_user_mode (2)

Status: auto-obsoleted due to no activity on 2023/04/22 11:15
Subsystems: kernel
[Documentation on labels]
First crash: 772d, last: 483d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in syscall_enter_from_user_mode 1 307d 307d 0/3 auto-obsoleted due to no activity on 2023/10/13 06:46
upstream INFO: rcu detected stall in syscall_enter_from_user_mode (3) kernel 5 147d 312d 0/26 auto-obsoleted due to no activity on 2024/03/11 14:48
linux-5.15 INFO: rcu detected stall in syscall_enter_from_user_mode origin:upstream C 4 1d06h 147d 0/3 upstream: reported C repro on 2023/12/13 03:22
upstream INFO: rcu detected stall in syscall_enter_from_user_mode kernel 2 829d 843d 0/26 closed as invalid on 2022/02/08 10:10

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2641 jiffies s: 36373 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 PID: 16118 Comm: syz-executor.3 Not tainted 6.2.0-rc3-syzkaller-00014-g40c18f363a08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline]
RIP: 0010:lock_acquire+0x104/0x400 kernel/locking/lockdep.c:5644
Code: c0 0f 85 8b 01 00 00 65 48 8b 1c 25 40 98 03 00 48 81 c3 34 0a 00 00 48 89 d8 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 ba 02 00 00 <83> 3b 00 0f 85 5f 01 00 00 44 89 7c 24 24 4c 8d bc 24 80 00 00 00
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000046
RAX: 1ffff1100fb18400 RBX: ffff88807d8c2774 RCX: 0000000000010003
RDX: 0000000000000000 RSI: ffffffff8b0daae0 RDI: ffffffff8b697a80
RBP: ffffc90000007c08 R08: dffffc0000000000 R09: fffffbfff1d604b6
R10: fffffbfff1d604b6 R11: 1ffffffff1d604b5 R12: dffffc0000000000
R13: 1ffff92000000f60 R14: ffffffff92406fc8 R15: 0000000000000000
FS:  0000555557228400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31021000 CR3: 000000007a078000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x61/0x420 lib/debugobjects.c:739
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate kernel/time/hrtimer.c:481 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1653 [inline]
 __hrtimer_run_queues+0x2f9/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__syscall_enter_from_user_work kernel/entry/common.c:91 [inline]
RIP: 0010:syscall_enter_from_user_mode+0x38/0x1d0 kernel/entry/common.c:112
Code: 89 fe 48 8b 7c 24 30 e8 a6 fa ff ff 0f 1f 44 00 00 0f 1f 44 00 00 e8 b7 72 ce f6 e8 22 71 ce f6 fb 65 4c 8b 3c 25 40 98 03 00 <49> 8b 5f 08 f6 c3 3f 0f 84 b4 00 00 00 f6 c3 20 74 17 4c 89 f7 e8
RSP: 0018:ffffc900163dff10 EFLAGS: 00000282
RAX: 9d9b1ab32648c100 RBX: ffffc900163dff58 RCX: ffffffff92168003
RDX: dffffc0000000000 RSI: ffffffff8b0d9960 RDI: ffffffff8b697a80
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1d604b6
R10: fffffbfff1d604b6 R11: 1ffffffff1d604b5 R12: 0000000000000000
R13: 0000000000000003 R14: ffffc900163dff58 R15: ffff88807d8c1d40
 do_syscall_64+0xc/0x70 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdecca3df7b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc2d682f80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fdecca3df7b
RDX: ffffffffffffffb8 RSI: ffffffffffffffff RDI: 0000000000000013
RBP: 00007fdeccbad980 R08: 0000000000000000 R09: 00007fdecc600000
R10: 00007fdecc6007c8 R11: 0000000000000293 R12: 00000000001020f5
R13: 00007ffc2d683080 R14: 00007fdeccbabf80 R15: 0000000000000032
 </TASK>

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/01/10 17:48 upstream 40c18f363a08 1dac8c7a .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/12/09 16:33 upstream 0d1409e4ff08 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/08/22 20:03 upstream 1c23f9e627a7 26a13b38 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/06/16 08:52 upstream 30306f6194ca 1719ee24 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/06/06 10:24 upstream f2906aa86338 c8857892 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/04/24 00:30 upstream 6fc2586d23b5 131df97d .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/04/18 02:10 upstream b2d229d4ddb1 8bcc32a6 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/04/01 01:28 upstream b4a5ea09b293 68fc921a .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/03/31 21:30 upstream b4a5ea09b293 c4c32d8c .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/03/27 11:38 upstream f022814633e1 89bc8608 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_enter_from_user_mode
2022/10/13 21:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a6afa4199d3d adf90437 .config console log report info [disk image] [vmlinux] ci2-upstream-usb INFO: rcu detected stall in syscall_enter_from_user_mode
* Struck through repros no longer work on HEAD.