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INFO: rcu detected stall in corrupted (4)

Status: upstream: reported C repro on 2020/09/04 18:49
Subsystems: bpf
[Documentation on labels]
Reported-by: syzbot+aa7d098bd6fa788fae8e@syzkaller.appspotmail.com
First crash: 1333d, last: 2d05h
Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: no output from test machine (log)
Repro: C syz .config
  
Fix bisection the fix commit could be any of (bisect log):
  0f091e43310f netlabel: remove unused param from audit_log_format()
  a729b8e6ec3d Merge branch 'fixes-for-yt8511-phy-driver'
   
▶ ▼ Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly bpf report (Apr 2024) 0 (1) 2024/04/11 06:54
[syzbot] Monthly net report (Dec 2023) 0 (1) 2023/12/27 09:18
[syzbot] Monthly net report (Nov 2023) 5 (6) 2023/11/28 15:05
INFO: rcu detected stall in corrupted (4) 2 (3) 2021/03/05 22:27
▶ ▼ Similar bugs (14)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in corrupted origin:upstream C 147 1d09h 410d 0/3 upstream: reported C repro on 2023/03/13 04:03
android-414 INFO: rcu detected stall in corrupted C 3 1770d 1842d 0/1 public: reported C repro on 2019/04/10 16:04
android-49 INFO: rcu detected stall in corrupted C 27 1654d 1839d 0/3 public: reported C repro on 2019/04/14 00:00
upstream INFO: rcu detected stall in corrupted (3) kernel C done 1 1858d 1854d 0/26 closed as invalid on 2019/03/30 00:13
linux-4.14 INFO: rcu detected stall in corrupted (2) C error 4 1412d 1574d 0/1 upstream: reported C repro on 2020/01/04 08:54
upstream INFO: rcu detected stall in corrupted net syz 1 2167d 2166d 8/26 fixed on 2018/07/09 18:05
linux-4.14 INFO: rcu detected stall in corrupted C done 3 1687d 1709d 1/1 fixed on 2019/12/05 23:59
linux-4.19 INFO: rcu detected stall in corrupted C error 2 827d 1534d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: rcu detected stall in corrupted (2) kernel syz 1 2098d 2098d 0/26 closed as invalid on 2018/07/29 11:55
linux-5.15 INFO: rcu detected stall in corrupted origin:lts-only C error 4 41d 186d 0/3 upstream: reported C repro on 2023/10/23 02:41
android-5-15 BUG: soft lockup in corrupted origin:lts C 12 6h21m 15d 0/2 upstream: reported C repro on 2024/04/11 09:01
upstream BUG: workqueue lockup (5) kernel C done 3988 1h02m 1563d 0/26 upstream: reported C repro on 2020/01/14 22:04
linux-4.14 BUG: soft lockup in corrupted C error 12 634d 1118d 0/1 upstream: reported C repro on 2021/04/04 06:30
linux-4.19 BUG: soft lockup in corrupted C error 3 663d 851d 0/1 upstream: reported C repro on 2021/12/26 20:46
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2024/02/17 11:32 12m retest repro upstream report log
2023/11/05 14:11 48m retest repro bpf OK log
2023/11/05 14:31 12m retest repro upstream report log
▶ ▼ Fix bisection attempts (8)
Created Duration User Patch Repo Result
2021/05/31 08:09 28m bisect fix net-next-old job log (2)
2021/05/01 07:17 22m bisect fix net-next-old job log (0) log
2021/04/01 06:52 24m bisect fix net-next-old job log (0) log
2021/03/01 04:23 23m bisect fix net-next-old job log (0) log
2021/02/01 15:30 0m bisect fix net-next-old error job log (0)
2020/12/07 14:25 25m bisect fix net-next-old job log (0) log
2020/11/07 05:27 26m bisect fix net-next-old job log (0) log
2020/10/07 17:56 26m bisect fix net-next-old job log (0) log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=7393, q=17 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10496 (4294967453-4294956957), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10496 jiffies! g7393 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:27296 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6838
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:1862
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </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 PID: 5114 Comm: syz-executor365 Not tainted 6.9.0-rc5-syzkaller-00036-g9d1ddab261f3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__lock_acquire+0xa04/0x3b30 kernel/locking/lockdep.c:5110
Code: 48 8b 04 24 48 05 c8 0a 00 00 48 89 c2 48 89 44 24 70 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 a1 2a 00 00 <48> 8b 04 24 48 8b 98 c8 0a 00 00 8b 44 24 10 85 c0 0f 84 3c 05 00
RSP: 0018:ffffc9000320f8b0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 00000000000001b3 RCX: ffffffff816ba90a
RDX: 1ffff1100f976c99 RSI: 0000000000000008 RDI: ffffffff93dda1b0
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff27bb436
R10: ffffffff93dda1b7 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88807cbb64d8 R15: 0000000000000004
FS:  000055558a3cd3c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002006b000 CR3: 000000007f514000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
 __might_fault mm/memory.c:6220 [inline]
 __might_fault+0x11b/0x190 mm/memory.c:6213
 __copy_to_user include/linux/uaccess.h:133 [inline]
 save_xstate_epilog arch/x86/kernel/fpu/signal.c:127 [inline]
 copy_fpstate_to_sigframe+0x80d/0xaa0 arch/x86/kernel/fpu/signal.c:245
 get_sigframe+0x455/0x930 arch/x86/kernel/signal.c:142
 x64_setup_rt_frame+0x129/0xce0 arch/x86/kernel/signal_64.c:175
 setup_rt_frame arch/x86/kernel/signal.c:223 [inline]
 handle_signal arch/x86/kernel/signal.c:267 [inline]
 arch_do_signal_or_restart+0x5e6/0x7e0 arch/x86/kernel/signal.c:312
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x14a/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff33953be79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff51af15e8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ff33953be79
RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000055558a3cd370
R13: 0000000000000003 R14: 00007fff51af1660 R15: 00007fff51af1650
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.753 msecs

Crashes (418):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/24 09:02 upstream 9d1ddab261f3 21339d7b .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in corrupted
2024/04/21 10:42 upstream 977b1ef51866 af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/04/08 05:12 upstream fe46a7dd189e ca620dd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in corrupted
2024/04/07 05:32 upstream 480e035fc4c7 ca620dd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in corrupted
2024/04/01 23:44 upstream fe46a7dd189e 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/03/25 02:57 upstream fe46a7dd189e 0ea90952 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/03/19 06:20 upstream fe46a7dd189e baa80228 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/03/16 15:27 upstream fe46a7dd189e d615901c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2024/03/15 15:24 upstream fe46a7dd189e d615901c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2024/03/04 23:47 upstream 90d35da658da 3717835d .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/03/02 08:25 upstream 17ba56605bfd 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2024/03/02 08:00 upstream 17ba56605bfd 25905f5d .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/02/28 00:22 upstream 45ec2f5f6ed3 05e69c83 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/02/03 10:04 upstream 6897cea71837 60bf9982 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in corrupted
2024/01/31 10:22 upstream 2a6526c4f389 373b66cd .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/01/28 11:43 upstream 8a696a29c690 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/01/28 06:24 upstream 8a696a29c690 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in corrupted
2024/01/25 11:51 upstream 443b349019f2 1e153dc8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/01/22 06:24 upstream 4fbbed787267 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2024/01/21 18:05 upstream 7a396820222d 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2024/01/13 20:53 upstream 052d534373b7 551587c1 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2024/01/01 20:39 upstream 610a9b8f49fb fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in corrupted
2023/12/27 22:15 upstream fbafc3e621c3 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/12/19 15:32 upstream 2cf4f94d8e86 3ad490ea .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/12/14 12:56 upstream 5bd7ef53ffe5 3222d10c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/12/06 20:29 upstream bee0e7762ad2 e3299f55 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/11/15 13:23 upstream c42d9eeef8e5 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/11/12 13:54 upstream 1b907d050735 6d6dbf8a .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/11/11 15:00 upstream ac347a0655db 6d6dbf8a .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/11/09 00:27 upstream 305230142ae0 df3908d6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/10/22 14:11 upstream 1acfd2bd3f0d 361b23dc .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/10/20 18:00 upstream ce55c22ec8b2 a42250d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/09/21 19:46 upstream 42dc814987c1 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in corrupted
2023/07/23 23:39 upstream c2782531397f 27cbe77f .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: rcu detected stall in corrupted
2024/04/11 23:15 net f99c5f563c17 478efa7f .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/04/07 11:28 net f99c5f563c17 ca620dd8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/03/24 19:53 net f99c5f563c17 0ea90952 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/03/22 13:42 net f99c5f563c17 7a239ce7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/03/22 10:40 net f99c5f563c17 7a239ce7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/03/21 18:49 net 3201de46a201 6753db5c .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/01/16 17:50 net 915805b50585 2a7bcc7f .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in corrupted
2024/03/22 14:33 net-next 237bb5f7f7f5 7a239ce7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in corrupted
2024/03/22 10:39 net-next 237bb5f7f7f5 7a239ce7 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in corrupted
2024/03/21 18:48 net-next 237bb5f7f7f5 6753db5c .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in corrupted
2024/01/16 14:02 net-next 3e7aeb78ab01 2a7bcc7f .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in corrupted
2024/01/26 17:41 linux-next 01af33cc9894 cc4a4020 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in corrupted
2024/01/24 21:46 linux-next 8bf1262c53f5 1e153dc8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in corrupted
2023/12/30 18:19 linux-next 39676dfe5233 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in corrupted
2023/11/26 12:44 linux-next 8c9660f65153 5b429f39 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in corrupted
2023/11/16 17:35 linux-next f31817cbcf48 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in corrupted
2024/04/15 05:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: rcu detected stall in corrupted
2024/04/05 11:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 0ee3535e .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: rcu detected stall in corrupted
2020/08/31 18:45 net-next-old 0f091e43310f d5a3ae1f .config console log report syz C ci-upstream-net-kasan-gce
2024/03/19 13:44 upstream fe46a7dd189e e104824c .config console log report syz [disk image] [vmlinux] [kernel image] ci2-upstream-fs INFO: rcu detected stall in corrupted
2023/12/25 07:54 upstream 861deac3b092 fb427a07 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/10/15 21:41 upstream 9a3dad63edbe 6388bc36 .config strace log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in corrupted
2023/10/04 06:37 upstream cbf3a2cb156a 65faba36 .config strace log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in corrupted
2023/01/29 14:58 upstream c96618275234 9dfcf09c .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in corrupted
2023/11/12 16:49 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 d80eec66 .config console log report syz [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: rcu detected stall in corrupted
2023/10/16 15:53 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 f757a323 .config console log report syz [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: rcu detected stall in corrupted
2023/09/28 05:49 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 9f564b92cf6d c2ab1e5d .config console log report syz [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 INFO: rcu detected stall in corrupted
2021/01/02 05:37 upstream eda809aef534 79264ae3 .config console log report syz ci-upstream-kasan-gce-root
2021/10/28 02:57 bpf 440ffcdd9db4 373bf66b .config console log report syz C ci-upstream-bpf-kasan-gce INFO: rcu detected stall in corrupted
* Struck through repros no longer work on HEAD.