syzbot


WARNING in kcov_remote_start (3)

Status: upstream: reported on 2024/03/28 11:00
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+0438378d6f157baae1a2@syzkaller.appspotmail.com
First crash: 39d, last: now
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] nfc: nci: Fix kcov check in nci_rx_work() 1 (1) 2024/05/05 10:36
[syzbot] [wireless?] WARNING in kcov_remote_start (3) 2 (3) 2024/04/10 10:56
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in kcov_remote_start (2) usb C 1153 1706d 1706d 0/26 closed as invalid on 2019/09/04 14:27
upstream WARNING in kcov_remote_start usb C 655 1706d 1707d 0/26 closed as invalid on 2019/09/03 16:37

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 50 at kernel/kcov.c:860 kcov_remote_start+0xee/0x6e0 kernel/kcov.c:860
Modules linked in:
CPU: 1 PID: 50 Comm: kworker/u8:3 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:kcov_remote_start+0xee/0x6e0 kernel/kcov.c:860
Code: 65 4c 8b 3d e4 c2 74 7e 4d 89 7c 24 28 8b 95 f0 15 00 00 65 8b 05 da c2 74 7e a9 00 01 ff 00 75 53 81 e2 ff ff ff bf 74 4b 90 <0f> 0b 90 e8 9a 9d 4d 09 44 8b 1d 93 65 fe 12 89 c0 48 03 1c c5 40
RSP: 0018:ffffc90000bb7bd0 EFLAGS: 00010002
RAX: 0000000080000000 RBX: 000000000002d648 RCX: ffffffff816c3c0e
RDX: 0000000000000002 RSI: ffffffff8b2cc240 RDI: ffffffff8b8f8320
RBP: ffff88801bae5a00 R08: 0000000000000000 R09: fffffbfff27ff23d
R10: ffffffff93ff91ef R11: 0000000000000003 R12: ffff8880b952d648
R13: 0000000000000200 R14: 0000000000000000 R15: ffff88801bae5a00
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffca9a5fc08 CR3: 000000005b2ce000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:48 [inline]
 ieee80211_iface_work+0x272/0xf00 net/mac80211/iface.c:1654
 cfg80211_wiphy_work+0x258/0x330 net/wireless/core.c:437
 process_one_work+0x9ac/0x1ac0 kernel/workqueue.c:3267
 process_scheduled_works kernel/workqueue.c:3348 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3429
 kthread+0x2c4/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (66296):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/05 19:43 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in kcov_remote_start
2024/05/05 19:17 upstream b9158815de52 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in kcov_remote_start
2024/05/04 11:15 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in kcov_remote_start
2024/05/04 07:24 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in kcov_remote_start
2024/05/04 15:54 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in kcov_remote_start
2024/05/06 15:22 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 15:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 15:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 15:06 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 15:01 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 14:55 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:44 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:40 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 14:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:23 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 14:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:53 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:36 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 13:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:25 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 13:19 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 13:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 13:09 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 13:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:23 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 12:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 12:08 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 12:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 11:57 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 11:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/05/06 11:52 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 11:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a2cf936ebef2 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/03/28 10:48 linux-next a6bd6c933339 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/03/28 10:40 linux-next a6bd6c933339 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/05/06 08:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78186bd77b47 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in kcov_remote_start
* Struck through repros no longer work on HEAD.