syzbot


SYZFAIL: SIGBUS (2)

Status: upstream: reported on 2025/03/25 15:23
Reported-by: syzbot+82abb72f86704ee3d57f@syzkaller.appspotmail.com
First crash: 276d, last: 9h26m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: SIGBUS -1 8 471d 485d 0/2 auto-obsoleted due to no activity on 2024/12/11 10:11

Sample crash report:
SYZFAIL: SIGBUS
pc-offset:0xffffffff217d3361 pc:0xdeadbeef addr:0x0 code=65537Connection to 10.128.0.8 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741400
pid 760 (csh), jid 0, uid 0: exited on signal 10 (core dumped)
pid 741 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
pid 877 (rtsol), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 992
pid 337 (dhclient), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 337
pid 742 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 742
ktrace write failed, errno 27, tracing stopped for pid 1
set $lines = 0
ktrace write failed, errno 27, tracing stopped for pid 990
pid 876 (rtsol), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 876
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741800
pid 781 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 781
Password:pid 739 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 739
pid 744 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 744
pid 735 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 735
pid 743 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 743
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
if_delmulti_locked: detaching ifnet instance 0xfffffe00077c3400
pid 770 (sh), jid 0, uid 0: exited on signal 10 (core dumped)
pid 745 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 770
ktrace write failed, errno 27, tracing stopped for pid 745
pid 740 (getty), jid 0, uid 0: exited on signal 10 (core dumped)
ktrace write failed, errno 27, tracing stopped for pid 740

Login incorrect
login: show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058741000

Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (105):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/27 00:45 freebsd-src a3394b6a23fb 5dc09de1 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/24 15:32 freebsd-src 8d5a11cd0137 5dc09de1 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/23 11:23 freebsd-src b94e4c7037b0 607f1549 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/22 20:21 freebsd-src 183513d15f22 607f1549 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/19 10:39 freebsd-src 391e8709315d e14dbeb9 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/19 05:37 freebsd-src 391e8709315d e14dbeb9 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/18 15:21 freebsd-src cf5eed715915 e14dbeb9 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/15 23:37 freebsd-src 4bf8ce037dc8 a066d2bc console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/11 15:41 freebsd-src e3fa0a22dd37 a066d2bc console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/11 08:27 freebsd-src a0347b0f3a60 48b27acc console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/09 19:10 freebsd-src f88300a7b56e fc20f974 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/08 18:20 freebsd-src 3f10e5985044 fc20f974 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/03 18:05 freebsd-src ef8a0ef2aa97 98d1f71f console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/02 07:04 freebsd-src 639e65144aa7 d4611817 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/12/01 08:40 freebsd-src 5bfdb66ad985 01c07bfe console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/29 04:32 freebsd-src 3d91a746380e 01c07bfe console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/26 22:28 freebsd-src 23af364630b1 c116feb4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/21 18:41 freebsd-src 8158b813d90f 52ed5c96 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/21 16:35 freebsd-src 8158b813d90f 52ed5c96 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/19 17:20 freebsd-src 9b0102837e30 82d7b894 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/15 01:28 freebsd-src 8cd9c39195b5 f7988ea4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/13 20:51 freebsd-src 587490dabc64 07e030de console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/12 01:06 freebsd-src 4109cdf0f817 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/11 23:11 freebsd-src 4109cdf0f817 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/11 02:01 freebsd-src ec0cd287f55f 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/10 06:49 freebsd-src 80ca573fc4e6 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/07 16:35 freebsd-src 36095c942031 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/07 09:51 freebsd-src 36095c942031 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/07 03:57 freebsd-src d7a138207fa4 4e1406b4 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/11/02 23:45 freebsd-src c3a3af134668 2c50b6a9 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/29 12:01 freebsd-src 73551cd6eac2 fd2207e7 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/28 17:45 freebsd-src 22cff1f3e9d8 fd2207e7 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/27 04:43 freebsd-src 081218b7a200 c0460fcd console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/26 14:14 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/26 12:20 freebsd-src e93db9abc9a6 c0460fcd console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/21 04:49 freebsd-src 78f70d4ff9dd 9832ed61 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/18 23:03 freebsd-src d7ff2ded4748 e18aa505 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/13 08:24 freebsd-src 2347ca21d657 ff1712fe console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/10 03:50 freebsd-src 0dc634d48fcc ff1712fe console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/10/09 14:53 freebsd-src a7d9c69fa903 7e2882b3 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/25 23:46 freebsd-src ace98a8fb8fe 770ff59f console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/22 16:00 freebsd-src f72908c94df9 770ff59f console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/20 21:28 freebsd-src 31ec8b6407fd 67c37560 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/20 02:09 freebsd-src e043af9ca596 67c37560 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/16 16:53 freebsd-src 99213b3c352c e2beed91 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/09/14 10:46 freebsd-src bd7032e0b058 e2beed91 console log report ci-freebsd-main SYZFAIL: SIGBUS
2025/03/25 15:23 freebsd-src a27328ea3927 875573af console log report ci-freebsd-main SYZFAIL: SIGBUS
* Struck through repros no longer work on HEAD.