Fatal trap NUM: page fault while in kernel mode (4)

Status: closed as invalid on 2023/10/05 09:23
Reported-by: syzbot+c8ad26b104be036c81e8@syzkaller.appspotmail.com
First crash: 1579d, last: 1254d
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault while in kernel mode (3) -1 3 1670d 1684d 0/2 auto-closed as invalid on 2022/03/28 07:44
freebsd Fatal trap NUM: page fault while in kernel mode (6) -1 syz 175 199d 736d 0/2 upstream: reported syz repro on 2024/07/19 13:39
freebsd Fatal trap 12: page fault while in kernel mode (3) -1 C 140 1771d 2378d 2/2 fixed on 2021/09/18 04:00
freebsd Fatal trap NUM: page fault while in kernel mode (2) -1 1 1695d 1695d 2/2 fixed on 2021/12/14 01:02
freebsd Fatal trap NUM: page fault while in kernel mode -1 177 1760d 1764d 2/2 fixed on 2021/09/29 10:05
freebsd Fatal trap NUM: page fault while in kernel mode (5) -1 15 837d 914d 0/2 auto-obsoleted due to no activity on 2024/06/23 15:31

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x45e03616
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81bd47b6
stack pointer	        = 0x0:0xfffffe008fcc6b80
frame pointer	        = 0x0:0xfffffe008fcc6bb0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 779 (syz-executor1626677)

trap number		= 12

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/12 05:00 freebsd-src 693f88c9da8d 21724cb2 console log report syz C ci-freebsd-i386 Fatal trap NUM: page fault while in kernel mode
2023/02/17 13:25 freebsd-src d0991948182a bc63aac7 console log report ci-freebsd-main Fatal trap NUM: page fault while in kernel mode
2023/02/10 22:33 freebsd-src 0a402ad2e6d6 e29a17f5 console log report ci-freebsd-main Fatal trap NUM: page fault while in kernel mode
2022/06/24 22:42 freebsd-src 235d960aae75 a371c43c console log report ci-freebsd-main Fatal trap NUM: page fault while in kernel mode
2022/03/29 05:26 freebsd-src 8601fca7895c 7c337266 console log report ci-freebsd-main Fatal trap NUM: page fault while in kernel mode
2022/03/29 04:48 freebsd-src 8601fca7895c 7c337266 console log report ci-freebsd-main Fatal trap NUM: page fault while in kernel mode
2022/06/24 23:21 freebsd-src 235d960aae75 a371c43c console log report ci-freebsd-i386 Fatal trap NUM: page fault while in kernel mode
* Struck through repros no longer work on HEAD.