syzbot


KMSAN: uninit-value in ieee802154_hdr_push

Status: upstream: reported on 2021/03/02 09:29
Reported-by: syzbot+4f6e279a71100e94ae65@syzkaller.appspotmail.com
First crash: 710d, last: 1d09h
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in preempt_count_add C 6657 120d 120d 0/24 closed as invalid on 2022/10/10 13:29
upstream KMSAN: uninit-value in dgram_sendmsg 80 107d 707d 0/24 upstream: reported on 2021/03/01 11:49
upstream KMSAN: uninit-value in hid_connect C 176 96d 447d 0/24 closed as invalid on 2022/11/03 08:52

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline]
BUG: KMSAN: uninit-value in ieee802154_hdr_push+0xab8/0xb90 net/ieee802154/header_ops.c:108
 ieee802154_hdr_push_sechdr net/ieee802154/header_ops.c:54 [inline]
 ieee802154_hdr_push+0xab8/0xb90 net/ieee802154/header_ops.c:108
 ieee802154_header_create+0xa84/0xd10 net/mac802154/iface.c:390
 wpan_dev_hard_header include/net/cfg802154.h:415 [inline]
 dgram_sendmsg+0xd41/0x1550 net/ieee802154/socket.c:679
 ieee802154_sock_sendmsg+0x8d/0xc0 net/ieee802154/socket.c:96
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2476
 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2530
 __sys_sendmsg+0x258/0x440 net/socket.c:2559
 __compat_sys_sendmsg net/compat.c:345 [inline]
 __do_compat_sys_sendmsg net/compat.c:352 [inline]
 __se_compat_sys_sendmsg net/compat.c:349 [inline]
 __ia32_compat_sys_sendmsg+0x99/0xe0 net/compat.c:349
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable hdr created at:
 ieee802154_header_create+0x5d/0xd10 net/mac802154/iface.c:354
 wpan_dev_hard_header include/net/cfg802154.h:415 [inline]
 dgram_sendmsg+0xd41/0x1550 net/ieee802154/socket.c:679

CPU: 1 PID: 9378 Comm: syz-executor.4 Not tainted 6.2.0-rc6-syzkaller-80422-geda666ff2276 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
=====================================================

Crashes (273):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kmsan-gce-386 2023/02/05 11:00 https://github.com/google/kmsan.git master eda666ff2276 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2023/01/22 11:11 https://github.com/google/kmsan.git master e919e2b1bc1c 559a440a .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2023/01/07 13:30 https://github.com/google/kmsan.git master 5c6259d6d19f 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/12/08 15:29 https://github.com/google/kmsan.git master 30d2727189c5 1034e5fa .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/11/14 03:02 https://github.com/google/kmsan.git master cb231e2f67ec 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/11/11 01:59 https://github.com/google/kmsan.git master 9b1ac640862d 3ead01ad .config console log report info [disk image] [vmlinux] [kernel image] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/24 15:08 https://github.com/google/kmsan.git master 968c2729e576 23bf86af .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/24 12:46 https://github.com/google/kmsan.git master 968c2729e576 23bf86af .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/24 09:32 https://github.com/google/kmsan.git master 968c2729e576 23bf86af .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/24 07:45 https://github.com/google/kmsan.git master 968c2729e576 23bf86af .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/23 22:55 https://github.com/google/kmsan.git master 968c2729e576 23bf86af .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/23 01:22 https://github.com/google/kmsan.git master 968c2729e576 c0b80a55 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/22 18:15 https://github.com/google/kmsan.git master 968c2729e576 c0b80a55 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/22 13:01 https://github.com/google/kmsan.git master 968c2729e576 c0b80a55 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/22 04:47 https://github.com/google/kmsan.git master 968c2729e576 4bfd3c27 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/22 00:58 https://github.com/google/kmsan.git master 968c2729e576 4bfd3c27 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/21 19:51 https://github.com/google/kmsan.git master 968c2729e576 4bfd3c27 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/21 04:29 https://github.com/google/kmsan.git master 968c2729e576 a0fd4dab .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/19 17:13 https://github.com/google/kmsan.git master 968c2729e576 b31320fc .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/19 00:26 https://github.com/google/kmsan.git master 968c2729e576 b31320fc .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/18 09:17 https://github.com/google/kmsan.git master 968c2729e576 754863b4 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/18 07:21 https://github.com/google/kmsan.git master 968c2729e576 754863b4 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/17 20:23 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/17 13:44 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/17 10:36 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/16 11:54 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/15 14:14 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/15 11:34 https://github.com/google/kmsan.git master 968c2729e576 67cb024c .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/14 14:18 https://github.com/google/kmsan.git master 968c2729e576 4954e4b2 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/14 10:43 https://github.com/google/kmsan.git master 968c2729e576 4954e4b2 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/14 03:06 https://github.com/google/kmsan.git master 968c2729e576 adf90437 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/14 01:40 https://github.com/google/kmsan.git master 968c2729e576 adf90437 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/13 00:28 https://github.com/google/kmsan.git master 968c2729e576 89b5a509 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/12 22:36 https://github.com/google/kmsan.git master 968c2729e576 89b5a509 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/12 11:45 https://github.com/google/kmsan.git master 968c2729e576 16a9c9e0 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/12 09:58 https://github.com/google/kmsan.git master 968c2729e576 16a9c9e0 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/11 22:38 https://github.com/google/kmsan.git master 968c2729e576 1353c374 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/11 21:10 https://github.com/google/kmsan.git master 968c2729e576 1353c374 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/11 09:44 https://github.com/google/kmsan.git master 968c2729e576 2b253ced .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/10 19:33 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/10 16:02 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/09 18:23 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/09 12:54 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2022/10/09 10:34 https://github.com/google/kmsan.git master 968c2729e576 aea5da89 .config console log report info [disk image] [vmlinux] KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2021/02/28 22:39 https://github.com/google/kmsan.git master 29ad81a1074a 4c37c133 .config console log report info KMSAN: uninit-value in ieee802154_hdr_push
ci-upstream-kmsan-gce-386 2021/02/26 08:33 https://github.com/google/kmsan.git master 29ad81a1074a 76f7fc95 .config console log report info KMSAN: uninit-value in ieee802154_hdr_push
* Struck through repros no longer work on HEAD.