syzbot


panic: malloc: out of space in kmem_map (3)

Status: upstream: reported on 2024/09/06 23:26
Reported-by: syzbot+529a44f37a00b9f1c2b5@syzkaller.appspotmail.com
First crash: 75d, last: 75d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: malloc: out of space in kmem_map (2) 1 690d 690d 0/3 auto-obsoleted due to no activity on 2023/04/01 13:00
openbsd panic: malloc: out of space in kmem_map 97 2063d 2127d 3/3 fixed on 2019/05/21 04:34

Sample crash report:
panic: malloc: out of space in kmem_map
Starting stack trace...
panic(ffffffff830cddec) at panic+0x1d0 sys/kern/subr_prf.c:229
malloc(10000,7f,1) at malloc+0xddd sys/kern/kern_malloc.c:233
ufs_readdir(ffff8000371833d0) at ufs_readdir+0x13c sys/ufs/ufs/ufs_vnops.c:1364
VOP_READDIR(fffffd8072762ce0,ffff800037183450,fffffd807f7d36e8,ffff800037183494) at VOP_READDIR+0x102 sys/kern/vfs_vops.c:450
sys_getdents(ffff8000ffff02b0,ffff8000371835f0,ffff800037183540) at sys_getdents+0x2f2 sys/kern/vfs_syscalls.c:3169
syscall(ffff8000371835f0) at s
yscall+0xaf8
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7235a4bc3860, count: 250
End of stack trace.
syncing disks...set $lines = 0
set $maxwidth = 0
show panic
trace
show registers
show proc
ps
show all locks
show malloc
show all pools
machine ddbcpu 0
trace
machine ddbcpu 1
trace

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/06 23:25 openbsd 4ffa82dac1f1 ce70880a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: malloc: out of space in kmem_map
* Struck through repros no longer work on HEAD.