syzbot


freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)

Status: fixed on 2021/07/14 01:13
Reported-by: syzbot+f256beefd0df9eb796e7@syzkaller.appspotmail.com
Fix commit: 4a9a41650c90 uart: Fix an out-of-bounds read in ns8250_bus_probe()
First crash: 580d, last: 573d

Sample crash report:
panic: ASan: Invalid access, 1-byte read at 0xfffffe0056b6a253, MallocRedZone(fb)
cpuid = 0
time = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xffffffff84f4fef0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xffffffff84f50050
vpanic() at vpanic+0x2c5/frame 0xffffffff84f50130
panic() at panic+0xb5/frame 0xffffffff84f50200
__asan_load1_noabort() at __asan_load1_noabort+0x11a/frame 0xffffffff84f502c0
ns8250_bus_probe() at ns8250_bus_probe+0xfc8/frame 0xffffffff84f50340
uart_bus_probe() at uart_bus_probe+0x3d6/frame 0xffffffff84f503d0
uart_acpi_probe() at uart_acpi_probe+0x2f1/frame 0xffffffff84f504c0
device_probe_child() at device_probe_child+0x375/frame 0xffffffff84f50560
device_probe() at device_probe+0x16c/frame 0xffffffff84f505b0
device_probe_and_attach() at device_probe_and_attach+0x3b/frame 0xffffffff84f505f0
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f50610
acpi_attach() at acpi_attach+0x1ade/frame 0xffffffff84f50810
device_attach() at device_attach+0x6ff/frame 0xffffffff84f50910
device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f50950
bus_generic_attach() at bus_generic_attach+0x28/frame 0xffffffff84f50970
device_attach() at device_attach+0x6ff/frame 0xffffffff84f50a80
device_probe_and_attach() at device_probe_and_attach+0xe3/frame 0xffffffff84f50ac0
bus_generic_new_pass() at bus_generic_new_pass+0x21e/frame 0xffffffff84f50b10
bus_set_pass() at bus_set_pass+0x12b/frame 0xffffffff84f50b50
configure() at configure+0x10/frame 0xffffffff84f50b70
mi_startup() at mi_startup+0x457/frame 0xffffffff84f50cb0
btext() at btext+0x22
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28e6b8a(%rip)
db> 

Crashes (156):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/07/13 22:29 freebsd-src 0ca9f1d4a3b7 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/13 21:09 freebsd-src a065ccb2804f 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/13 19:29 freebsd-src b5c74dfd6434 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/13 12:33 freebsd-src 3f240bdf3652 f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/13 10:42 freebsd-src 84a3963d5d94 f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/13 05:24 freebsd-src 3c900106ea7a f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 23:11 freebsd-src 297e9f364b5a f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 23:11 freebsd-src 297e9f364b5a f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 21:52 freebsd-src 8b487b8292e4 f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 20:32 freebsd-src 66c183f43f0c f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 19:13 freebsd-src 693ddf4dc4b9 f415556d console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 17:48 freebsd-src 693ddf4dc4b9 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 14:08 freebsd-src cd2c05d323d2 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 12:47 freebsd-src 78f5ebaed62e a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 08:11 freebsd-src 86d69de88d1c a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 06:53 freebsd-src 844aa31c6d87 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 06:53 freebsd-src 844aa31c6d87 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/12 05:35 freebsd-src 4c87085d3521 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/11 01:59 freebsd-src 05f56ac92fe4 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/10 12:12 freebsd-src 58080fbca09f 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 22:20 freebsd-src 105b68b42dd1 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 20:39 freebsd-src 82626fef6253 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 20:39 freebsd-src 82626fef6253 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 20:39 freebsd-src 82626fef6253 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 08:34 freebsd-src a65fe39d5418 281e815f console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/09 00:50 freebsd-src 25a66f1fb177 1b20171a console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/08 22:34 freebsd-src 5549c6a62f0f 1b20171a console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/08 22:34 freebsd-src 5549c6a62f0f 1b20171a console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/08 21:13 freebsd-src c5dd8bac0b96 1b20171a console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-main 2021/07/07 06:55 freebsd-src da2f833f7a0b 4846d5c1 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/13 17:49 freebsd-src ca1a7e1021a9 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/13 16:32 freebsd-src 0fd05b0173e2 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/13 15:14 freebsd-src 331d4f3c0779 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/13 15:14 freebsd-src 331d4f3c0779 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/13 13:56 freebsd-src 3f240bdf3652 70168d5c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/12 17:07 freebsd-src 693ddf4dc4b9 a4869c92 console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/11 15:49 freebsd-src 9c1c02093b90 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/11 14:12 freebsd-src 5aa1e55b0ae7 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/11 12:51 freebsd-src cf48d1f77126 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/11 10:09 freebsd-src 05f56ac92fe4 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/10 17:22 freebsd-src 3a522ba1bc85 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/10 16:21 freebsd-src fdc71fa112d6 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/10 01:40 freebsd-src 588c7a06dffb 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/09 21:19 freebsd-src 82626fef6253 8f5a7b8c console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
ci-freebsd-i386 2021/07/08 21:54 freebsd-src bf3a385217ce 1b20171a console log report freebsd boot error: panic: ASan: Invalid access, 1-byte read at ADDR, MallocRedZone(fb)
* Struck through repros no longer work on HEAD.