syzbot


WARNING in schedstat_start

Status: auto-obsoleted due to no activity on 2023/06/22 17:29
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+184ec1dbe951014904b3@syzkaller.appspotmail.com
First crash: 405d, last: 386d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [fs?] WARNING in schedstat_start 0 (1) 2023/03/06 18:06
Last patch testing requests (2)
Created Duration User Patch Repo Result
2023/06/02 18:38 21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2023/03/07 01:21 22m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git fe15c26ee26e OK log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5944 at include/linux/cpumask.h:143 schedstat_start+0x1a0/0x20c kernel/sched/stats.c:206
Modules linked in:
CPU: 0 PID: 5944 Comm: syz-executor219 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : cpu_max_bits_warn kernel/sched/stats.c:206 [inline]
pc : cpumask_check include/linux/cpumask.h:150 [inline]
pc : cpumask_next include/linux/cpumask.h:212 [inline]
pc : schedstat_start+0x1a0/0x20c kernel/sched/stats.c:196
lr : seq_read_iter+0x378/0xc44 fs/seq_file.c:225
sp : ffff80001e4e7980
x29: ffff80001e4e7990 x28: ffff0000d49ea1f0 x27: 1fffe0001a93d43e
x26: ffff0000d49ea140 x25: dfff800000000000 x24: 0000000000000007
x23: ffff800015cdd558 x22: 1fffe0001a93d42a x21: dfff800000000000
x20: ffff800015cdd000 x19: ffff0000d49ea150 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000826e470 x15: 0000000000000000
x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000001
x11: 1ffff00002b9baab x10: 0000000000000002 x9 : ffff800008af6624
x8 : 0000000000000009 x7 : ffff800008af63c8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000830ba14
x2 : ffff0000d14c1b40 x1 : ffff0000d49ea150 x0 : ffff0000d49ea128
Call trace:
 schedstat_start+0x1a0/0x20c kernel/sched/stats.c:206
 seq_read_iter+0x378/0xc44 fs/seq_file.c:225
 proc_reg_read_iter+0x18c/0x2bc fs/proc/inode.c:305
 call_read_iter include/linux/fs.h:1845 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x5bc/0x8ac fs/read_write.c:470
 ksys_read+0x15c/0x26c fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:621
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 11872
hardirqs last  enabled at (11871): [<ffff800008064fd4>] local_daif_restore arch/arm64/include/asm/daifflags.h:75 [inline]
hardirqs last  enabled at (11871): [<ffff800008064fd4>] el0_svc_common+0x9c/0x258 arch/arm64/kernel/syscall.c:107
hardirqs last disabled at (11872): [<ffff80001245e098>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (11864): [<ffff800008020ec0>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (11864): [<ffff800008020ec0>] __do_softirq+0xd64/0xfbc kernel/softirq.c:600
softirqs last disabled at (11859): [<ffff80000802b524>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---

Crashes (633):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/03/06 16:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f8902b57 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 17:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 9700afae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 15:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 9700afae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 13:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 11:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 10:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 08:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 07:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 06:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 05:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/24 02:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 23:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 20:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 19:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 17:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 14:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 13:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 10:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 10:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 08:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 07:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 04:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 01:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/23 00:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 22:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f94b4a29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 21:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 19:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 17:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 16:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 14:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 13:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 12:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e d846e076 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 08:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 8b4eb097 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 06:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 8b4eb097 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/22 01:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 8b4eb097 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 22:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 8b4eb097 .config console log report info ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 20:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 19:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 16:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 15:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 13:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 13:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 11:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 10:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 09:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 03fb9538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 08:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
2023/03/21 06:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in schedstat_start
* Struck through repros no longer work on HEAD.