syzbot

 sign-in | mailing list | source | docs
🐞 Open [1663]
≡ Subsystems
🐞 Fixed [5970]
🐞 Invalid [14630]
⬇ Missing Backports [123]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

KMSAN: uninit-value in hid_connect

Status: closed as invalid on 2022/11/03 08:52
Subsystems: kernel
[Documentation on labels]
First crash: 1153d, last: 803d
▶ ▼ Similar bugs (21)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in kobject_set_name_vargs kernel 5 1017d 1146d 0/28 auto-closed as invalid on 2022/06/30 14:28
upstream KMSAN: uninit-value in asix_read_cmd usb syz 8 974d 1123d 0/28 auto-closed as invalid on 2022/09/29 13:21
upstream KMSAN: uninit-value in number (4) kernel C 7189 782d 1160d 0/28 closed as invalid on 2022/11/28 10:01
upstream KMSAN: uninit-value in preempt_count_add kernel C 6657 826d 826d 0/28 closed as invalid on 2022/10/10 13:29
upstream KMSAN: uninit-value in usbnet_probe (2) usb syz 6 1103d 1119d 0/28 auto-closed as invalid on 2022/09/27 01:28
upstream KMSAN: uninit-value in profile_hits (3) kernel C 1529 169d 383d 27/28 fixed on 2024/08/23 02:59
upstream KMSAN: kernel-infoleak in _copy_to_iter (7) net C 138977 688d 1040d 22/28 fixed on 2023/02/24 13:50
upstream KMSAN: uninit-value in kallsyms_lookup_buildid usb C 232 835d 1111d 0/28 closed as invalid on 2022/11/03 10:09
upstream KMSAN: uninit-value in seq_printf (2) fs C 99 942d 1209d 0/28 auto-closed as invalid on 2022/09/30 02:43
upstream KMSAN: uninit-value in p9pdu_readf v9fs 14 1076d 1190d 20/28 fixed on 2022/03/08 16:11
upstream KMSAN: uninit-value in kallsyms_lookup_buildid (2) kernel 12 695d 703d 0/28 closed as invalid on 2023/03/06 11:22
upstream KMSAN: uninit-value in asix_mdio_read (3) usb C 1582 972d 1036d 22/28 fixed on 2023/02/24 13:51
upstream KMSAN: uninit-value in vsscanf bluetooth syz 9 1047d 1113d 0/28 auto-closed as invalid on 2022/09/27 18:52
upstream KMSAN: uninit-value in usb_get_configuration kernel 1 1135d 1135d 0/28 auto-closed as invalid on 2022/03/04 20:20
upstream KMSAN: kernel-infoleak in _copy_to_iter (6) net C 748 1041d 1130d 20/28 fixed on 2022/03/08 16:11
upstream KMSAN: uninit-value in __vmalloc_node_range block 5 1091d 1136d 0/28 auto-closed as invalid on 2022/04/17 19:38
upstream KMSAN: uninit-value in stack_trace_print kernel 1 685d 685d 0/28 auto-obsoleted due to no activity on 2023/05/29 04:23
upstream KMSAN: uninit-value in snd_pcm_hw_rule_add (2) sound 18 941d 1208d 0/28 auto-closed as invalid on 2022/09/15 02:38
upstream KMSAN: uninit-value in skb_release_data (3) net C 10 907d 1586d 0/28 auto-obsoleted due to no activity on 2022/11/17 07:20
upstream KMSAN: uninit-value in ieee802154_hdr_push wpan 281 524d 1412d 0/28 auto-obsoleted due to no activity on 2023/10/17 04:17
upstream KMSAN: uninit-value in dgram_sendmsg wpan 80 814d 1413d 0/28 auto-obsoleted due to no activity on 2023/02/19 04:56

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:58 [inline]
BUG: KMSAN: uninit-value in profile_tick+0x1ca/0x1d0 kernel/profile.c:343
 profile_hit include/linux/profile.h:58 [inline]
 profile_tick+0x1ca/0x1d0 kernel/profile.c:343
 tick_sched_handle kernel/time/tick-sched.c:244 [inline]
 tick_sched_timer+0x5e4/0x700 kernel/time/tick-sched.c:1480
 __run_hrtimer+0x298/0x910 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x78d/0x1440 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14b/0x5b0 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x95/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x2f/0x50 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 do_notify_parent_cldstop+0x7d8/0x860 kernel/signal.c:2190
 ptrace_stop+0x6bd/0xeb0 kernel/signal.c:2293
 ptrace_do_notify kernel/signal.c:2344 [inline]
 ptrace_notify+0x247/0x340 kernel/signal.c:2356
 ptrace_report_syscall include/linux/ptrace.h:420 [inline]
 ptrace_report_syscall_entry include/linux/ptrace.h:457 [inline]
 syscall_trace_enter kernel/entry/common.c:65 [inline]
 __syscall_enter_from_user_work kernel/entry/common.c:94 [inline]
 syscall_enter_from_user_mode+0x6f/0x190 kernel/entry/common.c:112
 do_syscall_64+0x1e/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable rf created at:
 __schedule+0x44/0x21d0 kernel/sched/core.c:6380
 schedule+0x136/0x200 kernel/sched/core.c:6570

CPU: 1 PID: 3486 Comm: syz-executor208 Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
=====================================================

Crashes (176):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/10/06 15:11 https://github.com/google/kmsan.git master 968c2729e576 131b38ac .config strace log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/06/24 00:45 https://github.com/google/kmsan.git master 4b28366af7d9 912f5df7 .config strace log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/06/23 23:28 https://github.com/google/kmsan.git master 4b28366af7d9 912f5df7 .config strace log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/06/23 22:30 https://github.com/google/kmsan.git master 4b28366af7d9 912f5df7 .config strace log report syz C ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/02/23 00:21 https://github.com/google/kmsan.git master 724946410067 6e821dbf .config console log report syz ci-upstream-kmsan-gce KMSAN: uninit-value in hid_connect
2021/11/16 18:51 https://github.com/google/kmsan.git master beecc58f3c53 600426bd .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in hid_connect
2022/06/17 11:01 https://github.com/google/kmsan.git master 2f3064574275 1719ee24 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hid_connect
2022/10/27 22:20 https://github.com/google/kmsan.git master 1aa4f78e4630 86777b7f .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/25 17:09 https://github.com/google/kmsan.git master 4a3e741a3d6a 45645420 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/23 11:39 https://github.com/google/kmsan.git master 968c2729e576 c0b80a55 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/22 16:40 https://github.com/google/kmsan.git master 968c2729e576 c0b80a55 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/16 20:52 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/12 20:04 https://github.com/google/kmsan.git master 968c2729e576 89b5a509 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/12 08:23 https://github.com/google/kmsan.git master 968c2729e576 16a9c9e0 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/11 04:11 https://github.com/google/kmsan.git master 968c2729e576 2b253ced .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/09 13:15 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/10/06 14:07 https://github.com/google/kmsan.git master 968c2729e576 131b38ac .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/30 09:58 https://github.com/google/kmsan.git master 968c2729e576 1d385642 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/28 13:08 https://github.com/google/kmsan.git master 466a27efa4f0 e2556bc3 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/28 02:01 https://github.com/google/kmsan.git master 466a27efa4f0 75c78242 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/26 22:16 https://github.com/google/kmsan.git master 523d2ce66d07 10323ddf .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/22 17:39 https://github.com/google/kmsan.git master 523d2ce66d07 0042f2b4 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/22 11:58 https://github.com/google/kmsan.git master 523d2ce66d07 60af5050 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/22 05:23 https://github.com/google/kmsan.git master 523d2ce66d07 60af5050 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/21 14:19 https://github.com/google/kmsan.git master 523d2ce66d07 380f82fb .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/20 11:35 https://github.com/google/kmsan.git master 523d2ce66d07 7c41a9ba .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/20 08:51 https://github.com/google/kmsan.git master 8f4ae27df775 7c41a9ba .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/19 22:27 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/19 06:39 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/18 23:18 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/18 21:26 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/18 14:47 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/18 09:31 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/16 19:13 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/16 00:43 https://github.com/google/kmsan.git master 8f4ae27df775 dd9a85ff .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/14 17:12 https://github.com/google/kmsan.git master faf04f9bcf05 b884348d .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/13 07:12 https://github.com/google/kmsan.git master 4367d178d9eb f371ed7e .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/09 05:09 https://github.com/google/kmsan.git master 4367d178d9eb f3027468 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/06 05:57 https://github.com/google/kmsan.git master 4367d178d9eb 9dcd38fc .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/05 14:13 https://github.com/google/kmsan.git master 4367d178d9eb 922294ab .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/09/01 12:31 https://github.com/google/kmsan.git master e23a6cc335d5 b01ec571 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/08/24 11:51 https://github.com/google/kmsan.git master 1b070a5d1a2c cea8b0f7 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in profile_tick
2022/06/17 08:39 https://github.com/google/kmsan.git master 2f3064574275 1719ee24 .config console log report info ci-upstream-kmsan-gce KMSAN: uninit-value in usb_get_configuration
2022/11/02 04:45 https://github.com/google/kmsan.git master be8b0d020631 edac4fd1 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/11/01 08:31 https://github.com/google/kmsan.git master be8b0d020631 a1d8560a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/10/12 22:59 https://github.com/google/kmsan.git master 968c2729e576 89b5a509 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/10/12 11:47 https://github.com/google/kmsan.git master 968c2729e576 16a9c9e0 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/10/10 02:44 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/10/06 21:16 https://github.com/google/kmsan.git master 968c2729e576 131b38ac .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/10/06 02:33 https://github.com/google/kmsan.git master 968c2729e576 2c6543ad .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in stack_trace_print
2022/09/29 06:46 https://github.com/google/kmsan.git master 968c2729e576 e2556bc3 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in lowpan_xmit
2022/09/28 10:56 https://github.com/google/kmsan.git master 466a27efa4f0 75c78242 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/09/27 07:27 https://github.com/google/kmsan.git master 523d2ce66d07 10323ddf .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/09/21 21:32 https://github.com/google/kmsan.git master 523d2ce66d07 380f82fb .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/09/07 05:47 https://github.com/google/kmsan.git master 4367d178d9eb 5fc30c37 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/09/03 22:56 https://github.com/google/kmsan.git master ad8e4e812ba8 28811d0a .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/09/01 09:13 https://github.com/google/kmsan.git master e23a6cc335d5 b01ec571 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in profile_tick
2022/02/25 08:27 https://github.com/google/kmsan.git master 724946410067 7c337266 .config console log report info ci-upstream-kmsan-gce-386 KMSAN: uninit-value in dev_change_name
* Struck through repros no longer work on HEAD.