Sun Dec  1 03:11:00 UTC 2019


NetBSD/amd64 (ci2-netbsd-kubsan-3.c.syzkaller.internal) (console)



login: Dec  1 03:11:03 ci2-netbsd-kubsan-3 getty[567]: /dev/ttyE2: Device not configured
Dec  1 03:11:03 ci2-netbsd-kubsan-3 getty[366]: /dev/ttyE3: Device not configured
Dec  1 03:11:03 ci2-netbsd-kubsan-3 getty[556]: /dev/ttyE1: Device not configured
Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts.
2019/12/01 03:11:32 parsed 1 programs
2019/12/01 03:11:32 executed programs: 0
2019/12/01 03:11:37 executed programs: 7
2019/12/01 03:11:42 executed programs: 15
2019/12/01 03:11:47 executed programs: 26
2019/12/01 03:11:53 executed programs: 35
2019/12/01 03:11:58 executed programs: 44
2019/12/01 03:12:04 executed programs: 51
2019/12/01 03:12:09 executed programs: 61
2019/12/01 03:12:15 executed programs: 72
2019/12/01 03:12:21 executed programs: 79
2019/12/01 03:12:26 executed programs: 89
[ 120.4894125] Reader / writer lock error: rw_vector_enter,307: locking against myself

[ 120.4894125] lock address : 0xfffffd5134040d00 type     :     sleep/adaptive
[ 120.4894125] initialized  : 0xffffffff82268c0b
[ 120.4894125] shared holds :                  1 exclusive:                  0
[ 120.4894125] shares wanted:                  1 exclusive:                  0
[ 120.4894125] current cpu  :                  0 last held:                  0
[ 120.4894125] current lwp  : 0xfffffd512e3660a0 last held: 0xfffffd512e3660a0
[ 120.4894125] last locked  : 0xffffffff82278860 unlocked*: 0xffffffff82274357
[ 120.4894125] owner/count  : 0x0000000000000010 flags    : 0x0000000000000003

[ 120.4894125] Turnstile chain at 0xffffffff85ea92a0 with mutex 0xfffffd5235444ec0.
[ 120.4894125] => Turnstile at 0xfffffd512f4a1e80 (wrq=0xfffffd512f4a1ea0, rdq=0xfffffd512f4a1eb0).
[ 120.4894125] => 1 waiting readers: 0xfffffd512e0b4300
[ 120.4894125] => 1 waiting writers: 0xfffffd512dcc34c0

[ 120.5442741] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,307: locking against myself
[ 120.5468206] cpu0: Begin traceback...
[ 120.5672731] vpanic() at netbsd:vpanic+0x2aa
[ 120.5895267] snprintf() at netbsd:snprintf
[ 120.6340288] lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a
[ 120.6674056] lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x36f
[ 120.6896558] rw_enter() at netbsd:rw_enter+0x7cd
[ 120.7230321] uvm_fault_internal() at netbsd:uvm_fault_internal+0x25c
[ 120.7564095] trap() at netbsd:trap+0x1195
[ 120.7675321] --- trap (number 6) ---
[ 120.7897852] _ustore_8() at netbsd:_ustore_8+0x21
[ 120.8231610] sys___syscall() at netbsd:sys___syscall+0x1c8
[ 120.8565409] syscall() at netbsd:syscall+0x29a
[ 120.8676662] --- syscall (number 198) ---
[ 120.8676662] Skipping crash dump on recursive panic
[ 120.8839870] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:153:24, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment

[ 120.9077949] Faulted in mid-traceback; aborting...
[ 120.9136027] fatal breakpoint trap in supervisor mode
[ 120.9136027] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000180 ilevel 0 rsp 0xffffdc00a7223a10
[ 120.9323471] curlwp 0xfffffd512e3660a0 pid 534.3 lowest kstack 0xffffdc00a72212c0
Stopped in pid 534.3 (syz-executor.0) at        netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0x109
vpanic() at netbsd:vpanic+0x2aa
isAlreadyReported() at netbsd:isAlreadyReported
HandleTypeMismatch.part.1() at netbsd:HandleTypeMismatch.part.1+0xcc
HandleTypeMismatch() at netbsd:HandleTypeMismatch+0x7b
db_nextframe() at netbsd:db_nextframe+0x6f6
db_stack_trace_print() at netbsd:db_stack_trace_print+0x2c4
db_panic() at netbsd:db_panic+0xa3
vpanic() at netbsd:vpanic+0x2aa
snprintf() at netbsd:snprintf
lockdebug_abort1() at netbsd:lockdebug_abort1+0x16a
lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x36f
rw_enter() at netbsd:rw_enter+0x7cd
uvm_fault_internal() at netbsd:uvm_fault_internal+0x25c
trap() at netbsd:trap+0x1195
--- trap (number 6) ---
_ustore_8() at netbsd:_ustore_8+0x21
sys___syscall() at netbsd:sys___syscall+0x1c8
syscall() at netbsd:syscall+0x29a
--- syscall (number 198) ---
[ 120.9409173] Skipping crash dump on recursive panic
[ 120.9409173] panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/amd64/amd64/db_machdep.c:154:14, member access within misaligned address 0x3 for type 'struct x86_64_frame' which requires 8 byte alignment

[ 120.9409173] Faulted in mid-traceback; aborting...
[ 120.9409173] fatal breakpoint trap in supervisor mode
[ 120.9409173] trap type 1 code 0 rip 0xffffffff8021ddbd cs 0x8 rflags 0x286 cr2 0x20000180 ilevel 0x8 rsp 0xffffdc00a7222710
[ 120.9409173] curlwp 0xfffffd512e3660a0 pid 534.3 lowest kstack 0xffffdc00a72212c0
Stopped in pid 534.3 (syz-executor.0) at        netbsd:breakpoint+0x5:  leave