panic: uvmWA_fauRltNI_NuGnw: SPiLr e_NOT lLocOkWeERdE:D O Na SYSdCdrAeLsLs 7n3 ot57 i3n4 4m ap EXIT S0 ata rtinStopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 360114 76913 0 0 0x4000000 1K syz-executor *515530 76913 0 0 0x4000000 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x7262cc686c0, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu1: uvm_fault_unwire_locked: address not in map ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7262cc686c0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c3ce770 rbx 0 rdx 0 rcx 0xffff80003c452fc8 rax 0x36 r8 0xffff80003c3ce6a0 r9 0 r10 0xd8d2fe4261556a4f r11 0xb120a206c7778cf1 r12 0 r13 0 r14 0xffff80003c452fc8 r15 0 rip 0xffffffff81f453ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80003c3ce6f0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=515530 pid=76913 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c452d30,0xffff8000fffe62c8 process=0xffff80003c4d5d08 user=0xffff80003c3c9000, vmspace=0xfffffd806c91a9a0 estcpu=36, cpticks=14, pctcpu=0.0, user=0, sys=13, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76913 41644 78218 0 3 0x80 fsleep syz-executor 76913 360114 78218 0 7 0x4000000 syz-executor *76913 515530 78218 0 7 0x4000000 syz-executor 57436 124675 45167 0 3 0x80 fsleep syz-executor 57436 203880 45167 0 3 0x4000080 kqsel syz-executor 29060 455240 45655 0 3 0x80 fsleep syz-executor 29060 76112 45655 0 3 0x4000080 bpf syz-executor 14600 482687 30411 0 3 0x80 fsleep syz-executor 14600 152790 30411 0 3 0x4000080 rest syz-executor 38436 161147 1 0 3 0x100083 ttyin getty 39341 471378 0 0 3 0x14280 nfsidl nfsio 9451 444468 0 0 3 0x14280 nfsidl nfsio 20285 398964 0 0 3 0x14280 nfsidl nfsio 6280 472444 0 0 3 0x14280 nfsidl nfsio 85763 302177 0 0 3 0x14280 nfsidl nfsio 72708 164571 0 0 3 0x14280 nfsidl nfsio 89067 10038 0 0 3 0x14280 nfsidl nfsio 93912 456730 0 0 3 0x14280 nfsidl nfsio 81705 423709 0 0 3 0x14280 nfsidl nfsio 32527 189567 0 0 3 0x14280 nfsidl nfsio 85347 64150 0 0 3 0x14280 nfsidl nfsio 27259 9956 0 0 3 0x14280 nfsidl nfsio 48005 207058 0 0 3 0x14280 nfsidl nfsio 14596 95038 0 0 3 0x14280 nfsidl nfsio 67991 480544 0 0 3 0x14280 nfsidl nfsio 93719 161688 0 0 3 0x14280 nfsidl nfsio 67617 444993 0 0 3 0x14280 nfsidl nfsio 87408 132546 0 0 3 0x14280 nfsidl nfsio 71238 263919 0 0 3 0x14280 nfsidl nfsio 29706 32198 0 0 3 0x14280 nfsidl nfsio 45655 111028 59588 0 3 0x82 nanoslp syz-executor 45167 462094 59588 0 3 0x82 nanoslp syz-executor 30411 188309 59588 0 3 0x82 nanoslp syz-executor 91975 452996 59588 0 3 0x82 wait syz-executor 78218 522674 59588 0 3 0x82 nanoslp syz-executor 22899 444917 59588 0 3 0x82 nanoslp syz-executor 27082 342839 59588 0 3 0x82 wait syz-executor 54397 306231 59588 0 3 0x82 wait syz-executor 59588 418281 49597 0 3 0x82 kqread syz-executor 49597 427976 23488 0 3 0x10008a sigsusp ksh 23488 511813 98398 0 3 0x98 kqread sshd-session 98398 246023 67358 0 3 0x92 kqread sshd-session 67358 285740 1 0 3 0x88 kqread sshd 28401 383447 44844 74 3 0x1100092 bpf pflogd 44844 1008 1 0 3 0x80 sbwait pflogd 76456 215870 81113 73 3 0x1100090 kqread syslogd 81113 332693 1 0 3 0x100082 sbwait syslogd 54589 458259 1 0 3 0x100080 kqread resolvd 52591 311157 82824 77 3 0x100092 kqread dhcpleased 93699 387142 82824 77 3 0x100092 kqread dhcpleased 82824 73073 1 0 3 0x80 kqread dhcpleased 5086 468924 0 0 3 0x14200 bored smr 60562 416272 0 0 3 0x14200 pgzero zerothread 9180 429360 0 0 3 0x14200 aiodoned aiodoned 47066 506182 0 0 3 0x14200 syncer update 7669 297987 0 0 3 0x14200 cleaner cleaner 38725 427729 0 0 3 0x14200 reaper reaper 65978 256860 0 0 3 0x14200 pgdaemon pagedaemon 66808 17205 0 0 3 0x14200 bored viomb 28315 327541 0 0 3 0x40014200 acpi0 acpi0 19190 384801 0 0 3 0x40014200 idle1 38083 55011 0 0 3 0x14200 bored softnet1 76587 464665 0 0 3 0x14200 bored softnet0 8373 29977 0 0 3 0x14200 bored systqmp 2867 427379 0 0 3 0x14200 bored systq 57612 116101 0 0 3 0x14200 tmoslp softclockmp 73125 252448 0 0 3 0x40014200 tmoslp softclock 33261 247008 0 0 3 0x40014200 idle0 1 288666 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839cc3e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 #4 amap_wipeout+0x246 sys/uvm/uvm_amap.c:-1 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1359 #6 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #8 Xsyscall+0x128 Process 76913 (syz-executor) thread 0xffff80003c452d30 (360114) shared rwlock vmmaplk r = 0 (0xfffffd806c91aaa0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1723 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1706 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x257 sys/kern/kern_physio.c:139 #5 spec_read+0x14b sys/kern/spec_vnops.c:215 #6 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #7 vn_read+0x17b sys/kern/vfs_vnops.c:369 #8 dofilereadv+0x25a sys/kern/sys_generic.c:252 #9 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3366 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83997f80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 rw_do_enter_read+0x309 sys/kern/kern_rwlock.c:-1 #4 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #5 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1703 #8 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #9 physio+0x257 sys/kern/kern_physio.c:139 #10 spec_read+0x14b sys/kern/spec_vnops.c:215 #11 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x25a sys/kern/sys_generic.c:252 #14 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3366 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #16 Xsyscall+0x128 Process 76913 (syz-executor) thread 0xffff80003c452fc8 (515530) uvm_fault(0xfffffd806c91a9a0, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff82bf512a cs 8 rflags 10202 cr2 0 cpl d rsp ffff80003c3ce2d0 gsbase 0xffffffff8392cff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff82bf512a Parallel traceback, suppressed...