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: 29d, last: now
Discussions (1)
Title Replies (including bot) Last reply
[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 1697d 1697d 0/26 closed as invalid on 2019/09/04 14:27
upstream WARNING in kcov_remote_start usb C 655 1697d 1697d 0/26 closed as invalid on 2019/09/03 16:37

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10 at kernel/kcov.c:860 kcov_remote_start+0x549/0x7e0 kernel/kcov.c:860
Modules linked in:
CPU: 0 PID: 10 Comm: kworker/u8:0 Not tainted 6.9.0-rc5-syzkaller-00296-g5eb4573ea63d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: nfc2_nci_rx_wq nci_rx_work
RIP: 0010:kcov_remote_start+0x549/0x7e0 kernel/kcov.c:860
Code: 4c 89 ff be 03 00 00 00 e8 04 55 19 03 e9 fd fa ff ff e8 5a 1e ea 09 41 f7 c6 00 02 00 00 0f 84 eb fa ff ff e9 7f fc ff ff 90 <0f> 0b 90 e8 7f 3b ea 09 89 c0 48 c7 c7 c8 d4 02 00 48 03 3c c5 e0
RSP: 0018:ffffc900000f7b20 EFLAGS: 00010002
RAX: 0000000080000000 RBX: ffff888016ee9e00 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f7fa0
RBP: 0000000000000004 R08: ffffffff92f3556f R09: 1ffffffff25e6aad
R10: dffffc0000000000 R11: fffffbfff25e6aae R12: ffffffff81960b0e
R13: ffff88807551a000 R14: 0000000000000246 R15: ffff8880b942d4c8
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe91ff025e1 CR3: 000000005481a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:48 [inline]
 nci_rx_work+0xa4/0x320 net/nfc/nci/core.c:1513
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 kthread+0x2f2/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (20497):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/27 03:01 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 01:59 upstream 5eb4573ea63d 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in kcov_remote_start
2024/04/26 09:37 upstream c942a0cd3603 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in kcov_remote_start
2024/04/25 19:54 upstream e33c4963bf53 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in kcov_remote_start
2024/04/26 21:42 upstream e6ebf0117218 07b455f9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in kcov_remote_start
2024/04/27 08:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:34 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:21 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 08:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 08:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:44 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 07:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 07:20 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 07:15 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 07:09 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 07:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:30 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 06:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:40 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:34 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 05:30 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 05:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:20 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:14 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in kcov_remote_start
2024/04/27 05:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 05:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb WARNING in kcov_remote_start
2024/04/27 04:56 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3f12222a4beb 07b455f9 .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
2024/04/26 23:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6a71d2909427 059e9963 .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.