syzbot


WARNING in srcu_invoke_callbacks

Status: upstream: reported on 2024/05/07 14:44
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+2250e31d8f78fffa4768@syzkaller.appspotmail.com
First crash: 49d, last: 28d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [kernel?] WARNING in srcu_invoke_callbacks 0 (1) 2024/05/07 14:44

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 928 at kernel/rcu/srcutree.c:1758 srcu_invoke_callbacks+0x412/0x490 kernel/rcu/srcutree.c:1758
Modules linked in:
CPU: 0 PID: 928 Comm: kworker/0:2 Not tainted 6.9.0-rc6-syzkaller-00131-gf03359bca01b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: rcu_gp srcu_invoke_callbacks
RIP: 0010:srcu_invoke_callbacks+0x412/0x490 kernel/rcu/srcutree.c:1758
Code: 10 e8 82 ff 74 00 e9 b2 fd ff ff 48 8b 7c 24 10 e8 63 00 75 00 e9 2c fe ff ff 48 8b 7c 24 10 e8 54 00 75 00 e9 41 ff ff ff 90 <0f> 0b 90 e9 fc fe ff ff 4c 89 ff e8 de ff 74 00 e9 b2 fe ff ff 4c
RSP: 0018:ffffc90004847bf8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff27bdd6c
RDX: 1ffff92000908f87 RSI: ffffffff8b0cae00 RDI: ffffc90004847c38
RBP: ffffe8ffff804160 R08: 0000000000000001 R09: fffffbfff27bb636
R10: ffffffff93ddb1b7 R11: 0000000000000000 R12: 1ffff92000908f83
R13: dffffc0000000000 R14: ffffc90004847c38 R15: ffffc9000405f6d8
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020071000 CR3: 000000007b086000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3348 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3429
 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>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/03 14:37 upstream f03359bca01b 375d4445 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in srcu_invoke_callbacks
2024/05/24 23:31 upstream 02c438bbfffe c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in srcu_invoke_callbacks
2024/05/22 19:53 upstream 29c73fc794c8 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in srcu_invoke_callbacks
* Struck through repros no longer work on HEAD.