syzbot


panic: ASan: Invalid access, 2-byte read at ADDR, UMAUseAfterFree(fd)
Status: fixed on 2021/12/17 02:33
Reported-by: syzbot+7c8258509722af1b6145@syzkaller.appspotmail.com
Fix commit: udp: Fix a use-after-free in udp_multi_input()
First crash: 202d, last: 40d
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: ASan: Invalid access, 8-byte read at ADDR, UMAUseAfterFree(fd) 88 200d 202d 0/2 auto-closed as invalid on 2021/09/07 18:42
freebsd panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd) syz 188 35m 40d 0/2 upstream: reported syz repro on 2021/12/17 03:00
freebsd panic: ASan: Invalid access, 4-byte read at ADDR, UMAUseAfterFree(fd) 300 173d 202d 0/2 auto-closed as invalid on 2021/10/04 10:41

Sample crash report:

Crashes (1103):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-freebsd-main 2021/12/15 16:44 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 f752fb53 log report syz C panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/07/21 09:58 https://github.com/freebsd/freebsd-src.git main d0c737e18454 e6a17580 log report panic: ASan: Invalid access, 2-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/07/08 21:38 https://github.com/freebsd/freebsd-src.git main e88c3b1b02a6 1b20171a log report panic: ASan: Invalid access, 2-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/17 02:10 https://github.com/freebsd/freebsd-src.git main d8b45c8e14c5 44068e19 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/17 01:00 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/17 00:51 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 23:49 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 22:11 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 21:01 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 20:57 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 19:48 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 18:46 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 16:48 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 15:12 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 12:24 https://github.com/freebsd/freebsd-src.git main b214fcceacad 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 09:03 https://github.com/freebsd/freebsd-src.git main b214fcceacad 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 06:55 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 06:50 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 02:44 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/16 00:33 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 23:58 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 22:35 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 20:56 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 19:54 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 18:52 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 16:02 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 14:57 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 14:51 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 11:29 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 10:17 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 09:02 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 08:00 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 05:50 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 04:20 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 03:09 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 02:03 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-main 2021/12/15 01:53 https://github.com/freebsd/freebsd-src.git main bfd451210e59 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 17:15 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 13:39 https://github.com/freebsd/freebsd-src.git main b214fcceacad 8dd6a5e3 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 10:25 https://github.com/freebsd/freebsd-src.git main b214fcceacad 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 07:56 https://github.com/freebsd/freebsd-src.git main b214fcceacad 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 05:48 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 04:42 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 03:34 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/16 01:41 https://github.com/freebsd/freebsd-src.git main cec04a5d7131 572bcb40 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/15 13:41 https://github.com/freebsd/freebsd-src.git main cf3ed8e0cd95 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)
ci-freebsd-i386 2021/12/15 12:36 https://github.com/freebsd/freebsd-src.git main cf3ed8e0cd95 f752fb53 log report panic: ASan: Invalid access, NUM-byte read at ADDR, UMAUseAfterFree(fd)