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

Status: upstream: reported C repro on 2022/03/29 04:49
Reported-by: syzbot+c8ad26b104be036c81e8@syzkaller.appspotmail.com
First crash: 551d, last: 226d
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault while in kernel mode (3) 3 642d 656d 0/2 auto-closed as invalid on 2022/03/28 07:44
freebsd Fatal trap 12: page fault while in kernel mode (3) C 140 743d 1350d 2/2 fixed on 2021/09/18 04:00
freebsd Fatal trap NUM: page fault while in kernel mode (2) 1 667d 667d 2/2 fixed on 2021/12/14 01:02
freebsd Fatal trap NUM: page fault while in kernel mode 177 732d 735d 2/2 fixed on 2021/09/29 10:05

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.