syzbot


page fault in WARNING: SPL NOT LOWERED OdNo _SsyYSsC_AaLcLce 1p t4

Status: closed as dup on 2019/05/17 18:32
Reported-by: syzbot+d972806a8df6b26ae526@syzkaller.appspotmail.com
First crash: 2024d, last: 2024d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
page fault in do_sys_accept C 644 2011d 2025d

Sample crash report:
[  79.4917597] fatal page fault in supervisor mode
[  79.5032530] trap type 6 code 0x2 rip 0xffffffff8022b64c cs 0x8 rflags 0x10246 cr2 0 ilevel 0 rsp 0xffff98816f127ae8
[  79.5136715] curlwp 0xffff98801306da20 pid 3654.2 lowest kstack 0xffff98816f1202c0
[  79.5136715] panic: trap
[  79.5230370] cpu0: Begin traceback...
[  79.5230370] vpanic() at netbsd:vpanic+0x214
[  79.5317959] snprintf() at netbsd:snprintf
[  79.5423405] startlwp() at netbsd:startlwp
[  79.5518175] alltraps() at netbsd:alltraps+0xb2
[  79.5518175] WARNING: SPL NOT LOWERED OdNo _SsyYSsC_AaLcLce 1p t4() E XaItT  0 7
[  [ 79 .795.65186215822]52 W]A RneNItNbGs:d: dSPoL_s NyOsT_ aLcOcWepERtE+D0 xO2Nf 4S
[  79.5618252] YSCALL 60 3 EXIT 0 7
[ [  7 979.5.651681825225]2] W AsRyNsI_aNGc:c eSpPtL( ) NOaTt  LOWERED nONe tSbYsSdC:sALyLs _3a1cc44ep -t3+0006x5ac34
[  79.5618252] 24 EXIT 0 7
[  79.5618252] [ WA 7RN9I.N56G:1 82S5P2L]  NOsTy sL_O__WsEyREsDc alONl( T)R aAtP  EXIT 6 0[
 
[  79 7.596.5186215822]5 2]n etWbAsRNId:NsGy: sS__PL_s yNOsTc alLlO+WE0xReE2D
 
[  79.5618252] ON TRAP EXIT 6 0
[  79.5618252] syscall() at netbsd:syscall+0x348
[  79.5618252] --- syscall (number 198) ---
[  79.5618252] 71e07b23f4aa:
[  79.5618252] cpu0: End traceback...

[  79.5618252] dumping to dev 4,1 (offset=0, size=0): not possible
[  79.5618252] rebooting...
SeaBIOS (version 1.8.2-20190308_060531-google)
Total RAM Size = 0x00000001e0000000 = 7680 MiB
CPUs found: 2     Max CPUs supported: 2
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f29d0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Disable ACPI
     4. Disable ACPI and SMP
     5. Drop to boot prompt

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/05/08 22:49 netbsd 014f8a6c6f91 1bb034d0 console log report ci2-netbsd
* Struck through repros no longer work on HEAD.