syzbot


panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8) (2)

Status: upstream: reported C repro on 2022/05/23 03:54
Reported-by: syzbot+5cb51285603332d9be11@syzkaller.appspotmail.com
First crash: 697d, last: 5h39m
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8) syz 7 800d 881d 0/2 closed as invalid on 2022/04/17 17:16

Sample crash report:
panic: ASan: Invalid access, 8-byte read at 0xfffffe0056e12040, UseAfterScope(f8)
cpuid = 0
time = 1713246361
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056e11910
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056e11a70
vpanic() at vpanic+0x26a/frame 0xfffffe0056e11c30
panic() at panic+0xb5/frame 0xfffffe0056e11d00
kasan_report() at kasan_report+0xdf/frame 0xfffffe0056e11dd0
kvprintf() at kvprintf+0xd1c/frame 0xfffffe0056e11fc0
sbuf_vprintf() at sbuf_vprintf+0x101/frame 0xfffffe0056e12010
sbuf_printf() at sbuf_printf+0xce/frame 0xfffffe0056e12110
sigexit() at sigexit+0x96b/frame 0xfffffe0056e12a70
postsig() at postsig+0x2c5/frame 0xfffffe0056e12bf0
ast_sig() at ast_sig+0x868/frame 0xfffffe0056e12ea0
ast_handler() at ast_handler+0x290/frame 0xfffffe0056e12f10
ast() at ast+0x25/frame 0xfffffe0056e12f30
fast_syscall_common() at fast_syscall_common+0x1a2/frame 0xfffffe0056e12f30
--- syscall (0, FreeBSD ELF64, syscall), rip = 0x2346ea, rsp = 0x822554f78, rbp = 0x822554f80 ---
KDB: enter: panic
[ thread pid 883 tid 100086 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23cd2b7(%rip)
db> 
db> 

Crashes (433):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/16 05:48 freebsd-src 605a00660ead 0d592ce4 console log report syz C ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2023/03/06 17:07 freebsd-src 528d8e55c8d3 ee50e71c console log report syz C ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 05:33 freebsd-src 605a00660ead 0d592ce4 console log report syz ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2022/05/23 03:53 freebsd-src 0bf3f379e18f 7268fa62 console log report syz ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/19 06:53 freebsd-src e411b2273603 af24b050 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/19 04:36 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/19 01:45 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 18:35 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 13:49 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 11:44 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 08:52 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 05:41 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 01:34 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 00:24 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 22:53 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 22:42 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 17:42 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 12:52 freebsd-src 2e850b832f5d 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 08:28 freebsd-src 2e850b832f5d 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 03:59 freebsd-src 2e850b832f5d 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 22:37 freebsd-src 219d8fb0361f 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 21:20 freebsd-src 219d8fb0361f 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 20:16 freebsd-src 219d8fb0361f 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 17:35 freebsd-src 219d8fb0361f 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 15:36 freebsd-src 219d8fb0361f 2338035c console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 09:55 freebsd-src 605a00660ead 0d592ce4 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 08:35 freebsd-src 605a00660ead 0d592ce4 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 05:22 freebsd-src 605a00660ead 0d592ce4 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 00:34 freebsd-src 605a00660ead 0d592ce4 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 19:52 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 18:32 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 18:31 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 17:07 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 15:59 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 12:31 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 10:13 freebsd-src 567cbd8ff1c4 459f4b00 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 07:59 freebsd-src 567cbd8ff1c4 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/15 02:33 freebsd-src 51c69c8682e8 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/14 23:57 freebsd-src 51c69c8682e8 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/14 23:00 freebsd-src 51c69c8682e8 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/14 21:35 freebsd-src 51c69c8682e8 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/14 20:29 freebsd-src 51c69c8682e8 c8349e48 console log report ci-freebsd-main panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 23:37 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 16:37 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 16:35 freebsd-src e991acd5d0f6 af24b050 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 10:02 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 06:53 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/18 03:57 freebsd-src f276adc14843 bd38b692 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 15:17 freebsd-src 7d03ec330684 acc528cb console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 11:40 freebsd-src 2e850b832f5d 2338035c console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/17 10:33 freebsd-src 2e850b832f5d 2338035c console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
2024/04/16 02:03 freebsd-src 605a00660ead 0d592ce4 console log report ci-freebsd-i386 panic: ASan: Invalid access, NUM-byte read at ADDR, UseAfterScope(f8)
* Struck through repros no longer work on HEAD.