Date: Thu, 24 Jun 2021 13:55:00 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 256806] panic: vm_page_free_prep: freeing mapped page Message-ID: <bug-256806-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256806 Bug ID: 256806 Summary: panic: vm_page_free_prep: freeing mapped page Product: Base System Version: 13.0-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: niels=3Dfreebsd@bakker.net FreeBSD 13.0-STABLE #6 stable/13-n246074-d77e57f1256-dirty (stable/13 plus = the patch in #256610 applied) The system crashed somewhere between 05:29:27-05:31:29 in the morning. panic: vm_page_free_prep: freeing mapped page 0xfffffe0014633408 cpuid =3D 2 time =3D 1624505370 KDB: stack backtrace: #0 0xffffffff80bfe6f5 at kdb_backtrace+0x65 #1 0xffffffff80bb40d1 at vpanic+0x181 #2 0xffffffff80bb3ea3 at panic+0x43 #3 0xffffffff80efd535 at vm_page_free_prep+0x215 #4 0xffffffff80ef54e2 at vm_page_free_toq+0x12 #5 0xffffffff80ef0a17 at vm_object_page_remove+0xb7 #6 0xffffffff80ee9620 at vm_map_entry_delete+0x120 #7 0xffffffff80ee52db at vm_map_delete+0x12b #8 0xffffffff80ee9840 at vm_map_remove+0x80 #9 0xffffffff80b689f6 at exec_new_vmspace+0x1c6 #10 0xffffffff80b3c0ba at exec_elf64_imgact+0x84a #11 0xffffffff80b6758c at kern_execve+0x63c #12 0xffffffff80b66bda at sys_execve+0x5a #13 0xffffffff8101aeae at amd64_syscall+0x12e #14 0xffffffff80ff0f3e at fast_syscall_common+0xf8 Uptime: 2d5h39m2s __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:399 #2 0xffffffff80bb3cfa in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:486 #3 0xffffffff80bb4140 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou= t>) at /usr/src/sys/kern/kern_shutdown.c:919 #4 0xffffffff80bb3ea3 in panic (fmt=3D<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:843 #5 0xffffffff80efd535 in vm_page_free_prep (m=3Dm@entry=3D0xfffffe00146334= 08) at /usr/src/sys/vm/vm_page.c:3813 #6 0xffffffff80ef54e2 in vm_page_free_toq (m=3Dm@entry=3D0xfffffe001463340= 8) at /usr/src/sys/vm/vm_page.c:3866 #7 0xffffffff80ef54cb in vm_page_free (m=3D<unavailable>,=20 m@entry=3D0xfffffe0014633408) at /usr/src/sys/vm/vm_page.c:1332 #8 0xffffffff80ef0a17 in vm_object_page_remove (object=3D0xfffff8029074431= 8,=20 start=3D0, end=3D<optimized out>, options=3D2) at /usr/src/sys/vm/vm_object.c:2137 #9 0xffffffff80ee9620 in vm_map_entry_delete ( map=3Dmap@entry=3D0xfffffe012b0ee3e0, entry=3Dentry@entry=3D0xfffff8007= 818be40) at /usr/src/sys/vm/vm_map.c:3870 #10 0xffffffff80ee52db in vm_map_delete (map=3Dmap@entry=3D0xfffffe012b0ee3= e0,=20 start=3D<optimized out>, start@entry=3D4096, end=3Dend@entry=3D14073748= 8355328) at /usr/src/sys/vm/vm_map.c:3984 #11 0xffffffff80ee9840 in vm_map_remove (map=3Dmap@entry=3D0xfffffe012b0ee3= e0,=20 start=3D4096, end=3D140737488355328) at /usr/src/sys/vm/vm_map.c:4002 #12 0xffffffff80b689f6 in exec_new_vmspace ( imgp=3Dimgp@entry=3D0xfffffe0120557888,=20 sv=3Dsv@entry=3D0xffffffff8196b580 <elf64_freebsd_sysvec_la48>) at /usr/src/sys/kern/kern_exec.c:1082 #13 0xffffffff80b3c0ba in exec_elf64_imgact (imgp=3D<optimized out>,=20 imgp@entry=3D<error reading variable: value is not available>) at /usr/src/sys/kern/imgact_elf.c:1248 #14 0xffffffff80b6758c in do_execve (td=3D0xfffffe011b85d3a0,=20 args=3D0xfffffe0120557a48, mac_p=3D<optimized out>,=20 oldvmspace=3D0xfffffe012b0ee3e0) at /usr/src/sys/kern/kern_exec.c:616 #15 kern_execve (td=3D<optimized out>, td@entry=3D0xfffffe011b85d3a0,=20 args=3Dargs@entry=3D0xfffffe0120557a48, mac_p=3D<optimized out>,=20 mac_p@entry=3D0x0, oldvmspace=3Doldvmspace@entry=3D0xfffffe012b0ee3e0) at /usr/src/sys/kern/kern_exec.c:353 #16 0xffffffff80b66bda in sys_execve (td=3D0xfffffe011b85d3a0,=20 td@entry=3D<error reading variable: value is not available>,=20 uap=3D0xfffffe011b85d788,=20 uap@entry=3D<error reading variable: value is not available>) at /usr/src/sys/kern/kern_exec.c:228 #17 0xffffffff8101aeae in syscallenter (td=3D<optimized out>) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189 #18 amd64_syscall (td=3D0xfffffe011b85d3a0, traced=3D0) at /usr/src/sys/amd64/amd64/trap.c:1184 #19 <signal handler called> #20 0x00000000038fdf76 in ?? () Backtrace stopped: Cannot access memory at address 0xc0005be920 (kgdb)=20 (kgdb) frame 14 #14 0xffffffff80b6758c in do_execve (td=3D0xfffffe011b85d3a0, args=3D0xfffffe0120557a48, mac_p=3D<optimized out>,=20 oldvmspace=3D0xfffffe012b0ee3e0) at /usr/src/sys/kern/kern_exec.c:616 616 error =3D (*execsw[i]->ex_imgact)(imgp); (kgdb) print *args $3 =3D {buf =3D 0xfffffe00c501c000 "/bin/ps", bufkva =3D 0xfffff80021ec45e0= ,=20 begin_argv =3D 0xfffffe00c501c008 "/bin/ps", begin_envv =3D 0xfffffe00c50= 1c01a "MAIL=3D/var/mail/telegraf",=20 endp =3D 0xfffffe00c501c0dd "IC=3Den_US.UTF-8", fname =3D 0xfffffe00c501c= 000 "/bin/ps", fname_buf =3D 0x0,=20 stringspace =3D 524075, argc =3D 3, envc =3D 9, fd =3D 0, fdp =3D 0x0} (kgdb) f 15 #15 kern_execve (td=3D<optimized out>, td@entry=3D0xfffffe011b85d3a0, args=3Dargs@entry=3D0xfffffe0120557a48,=20 mac_p=3D<optimized out>, mac_p@entry=3D0x0, oldvmspace=3Doldvmspace@entry=3D0xfffffe012b0ee3e0) at /usr/src/sys/kern/kern_exec.c:353 353 return (do_execve(td, args, mac_p, oldvmspace)); (kgdb) p *args $1 =3D {buf =3D 0xfffffe00c501c000 "/bin/ps", bufkva =3D 0xfffff80021ec45e0= ,=20 begin_argv =3D 0xfffffe00c501c008 "/bin/ps", begin_envv =3D 0xfffffe00c50= 1c01a "MAIL=3D/var/mail/telegraf",=20 endp =3D 0xfffffe00c501c0dd "IC=3Den_US.UTF-8", fname =3D 0xfffffe00c501c= 000 "/bin/ps", fname_buf =3D 0x0,=20 stringspace =3D 524075, argc =3D 3, envc =3D 9, fd =3D 0, fdp =3D 0x0} (kgdb) --=20 You are receiving this mail because: You are the assignee for the bug.=
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