Attachment 1647541 Details for Bug 1786376 – File: backtrace

File: backtrace

backtrace (text/plain), 12.84 KB, created by Tom Bouwman on 2019-12-24 19:34:53 UTC

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Creator: Tom Bouwman

Created: 2019-12-24 19:34:53 UTC

Size: 12.84 KB

patch

obsolete

>[New LWP 8001]
>Core was generated by `symlinks -r /usr'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  0x000056441d4d8cdc in tidy_path (path=0x56441d4de040 <abspath> "/../../../../usr/share/man/man8/ifup.8.gz/") at symlinks.c:92
>
>Thread 1 (LWP 8001):
>#0  0x000056441d4d8cdc in tidy_path (path=0x56441d4de040 <abspath> "/../../../../usr/share/man/man8/ifup.8.gz/") at symlinks.c:92
>        tidied = <optimized out>
>        s = 0x56441d4de044 <abspath+4> "../../../usr/share/man/man8/ifup.8.gz/"
>        p = 0x56441d4dbf2a <strcpy@got.plt+2> "\265\030\231\177"
>#1  0x000056441d4d8e40 in fix_symlink (my_dev=64769, path=0x56441d4e00e0 <path> "/usr/share/man/man8/ifdown.8.gz") at symlinks.c:181
>        p = <optimized out>
>        np = <optimized out>
>        lp = <optimized out>
>        tail = <optimized out>
>        msg = <optimized out>
>        stbuf = {st_dev = 64769, st_ino = 834686, st_nlink = 1, st_mode = 33188, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 1386, st_blksize = 4096, st_blocks = 8, st_atim = {tv_sec = 1577202333, tv_nsec = 721321567}, st_mtim = {tv_sec = 1564886797, tv_nsec = 0}, st_ctim = {tv_sec = 1577198160, tv_nsec = 924488706}, __glibc_reserved = {0, 0, 0}}
>        lstbuf = {st_dev = 64769, st_ino = 834686, st_nlink = 1, st_mode = 33188, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 1386, st_blksize = 4096, st_blocks = 8, st_atim = {tv_sec = 1577202333, tv_nsec = 721321567}, st_mtim = {tv_sec = 1564886797, tv_nsec = 0}, st_ctim = {tv_sec = 1577198160, tv_nsec = 924488706}, __glibc_reserved = {0, 0, 0}}
>        c = <optimized out>
>        fix_abs = 0
>        fix_messy = 0
>        fix_long = 0
>        lpath = "../../../../../../../../usr/share/man/man8/ifup.8.gz\000\000.jpg\000jpg\000pg\000-H\000\070-H\000\000ng\000g\000g\000w.png\000.png", '\000' <repeats 4004 times>
>        new = "debugreiserfs.8.gz\000\000int-lpcman\000\000\000\000\000bluebird.jpg\000\000g\000\000\000\000\000jpg\000\000pg\000\000g\000\000H\000\000-H\000\000\000g\000\000\000\000\000\000.png\000\000png", '\000' <repeats 4004 times>
>        abspath = "/../../../../usr/share/man/man8/ifup.8.gz/\000.8.gz/\000up.8.gz/\000.8.gz/\000p.8.gz/\000pg/\000uebird.jpg/\000bird.jpg/\000.png/\000/\000pg/\000each.jpg/\000et.jpg/\000.jpg/", '\000' <repeats 3960 times>
>#2  0x000056441d4d9404 in dirwalk (pathlen=<optimized out>, dev=64769, path=0x56441d4e00e0 <path> "/usr/share/man/man8/ifdown.8.gz") at symlinks.c:286
>        name = 0x56441d4e00f4 <path+20> "ifdown.8.gz"
>        dfd = 0x56441ec42370
>        st = {st_dev = 64769, st_ino = 804358, st_nlink = 1, st_mode = 41471, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 52, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1577202333, tv_nsec = 579323342}, st_mtim = {tv_sec = 1561729541, tv_nsec = 0}, st_ctim = {tv_sec = 1577197048, tv_nsec = 934390495}, __glibc_reserved = {0, 0, 0}}
>        dp = <optimized out>
>#3  0x000056441d4d938f in dirwalk (pathlen=<optimized out>, dev=64769, path=0x56441d4e00e0 <path> "/usr/share/man/man8/ifdown.8.gz") at symlinks.c:288
>        name = 0x56441d4e00ef <path+15> "man8/ifdown.8.gz"
>        dfd = 0x56441ec39320
>        st = {st_dev = 64769, st_ino = 804358, st_nlink = 1, st_mode = 41471, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 52, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1577202333, tv_nsec = 579323342}, st_mtim = {tv_sec = 1561729541, tv_nsec = 0}, st_ctim = {tv_sec = 1577197048, tv_nsec = 934390495}, __glibc_reserved = {0, 0, 0}}
>        dp = <optimized out>
>#4  0x000056441d4d938f in dirwalk (pathlen=<optimized out>, dev=64769, path=0x56441d4e00e0 <path> "/usr/share/man/man8/ifdown.8.gz") at symlinks.c:288
>        name = 0x56441d4e00eb <path+11> "man/man8/ifdown.8.gz"
>        dfd = 0x56441ec312e0
>        st = {st_dev = 64769, st_ino = 804358, st_nlink = 1, st_mode = 41471, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 52, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1577202333, tv_nsec = 579323342}, st_mtim = {tv_sec = 1561729541, tv_nsec = 0}, st_ctim = {tv_sec = 1577197048, tv_nsec = 934390495}, __glibc_reserved = {0, 0, 0}}
>        dp = <optimized out>
>#5  0x000056441d4d938f in dirwalk (pathlen=<optimized out>, dev=64769, path=0x56441d4e00e0 <path> "/usr/share/man/man8/ifdown.8.gz") at symlinks.c:288
>        name = 0x56441d4e00e5 <path+5> "share/man/man8/ifdown.8.gz"
>        dfd = 0x56441ec292a0
>        st = {st_dev = 64769, st_ino = 804358, st_nlink = 1, st_mode = 41471, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 52, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1577202333, tv_nsec = 579323342}, st_mtim = {tv_sec = 1561729541, tv_nsec = 0}, st_ctim = {tv_sec = 1577197048, tv_nsec = 934390495}, __glibc_reserved = {0, 0, 0}}
>        dp = <optimized out>
>#6  0x000056441d4d84d6 in main (argc=<optimized out>, argv=0x7fff3b880498) at /usr/include/sys/stat.h:462
>        st = {st_dev = 64769, st_ino = 262146, st_nlink = 14, st_mode = 16877, st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 4096, st_blksize = 4096, st_blocks = 8, st_atim = {tv_sec = 1577196389, tv_nsec = 147638964}, st_mtim = {tv_sec = 1577195820, tv_nsec = 593746866}, st_ctim = {tv_sec = 1577195820, tv_nsec = 593746866}, __glibc_reserved = {0, 0, 0}}
>        path = "/usr/share/man/man8/ifdown.8.gz\000\070.gz\000.gz\000\070.gz\000z\000\070.gz\000che.8.gz\000z\000\000gz\000\000\000\000ng\000vg\000g\000svg\000t\000\000c.svg\000vg\000s\000\000js\000s\000.js\000ker.rb\000rb\000ine.dll.lcl\000eScript.EditorFeatures.dll.lcl\000js\000n", '\000' <repeats 3933 times>
>        cwd = "/root/", '\000' <repeats 4091 times>
>        dircount = 0
>        c = <optimized out>
>        p = 0x7fff3b880d17 "/usr"
>From                To                  Syms Read   Shared Object Library
>0x00007f9918a2c670  0x00007f9918b7747f  Yes         /lib64/libc.so.6
>0x00007f9918c03110  0x00007f9918c22754  Yes         /lib64/ld-linux-x86-64.so.2
>$1 = 0x0
>rax            0x56441d4de040      94850549407808
>rbx            0x56441d4de040      94850549407808
>rcx            0x0                 0
>rdx            0x56441d4dbf29      94850549399337
>rsi            0x56441d4da1ae      94850549391790
>rdi            0x56441d4de044      94850549407812
>rbp            0x56441d4da1aa      0x56441d4da1aa
>rsp            0x7fff3b880080      0x7fff3b880080
>r8             0x2f                47
>r9             0x56441d4df03f      94850549411903
>r10            0x56441d4de240      94850549408320
>r11            0x7f9918b99be0      140295521541088
>r12            0x1                 1
>r13            0xfd01              64769
>r14            0x56441d4e0040      94850549416000
>r15            0x0                 0
>rip            0x56441d4d8cdc      0x56441d4d8cdc <tidy_path+172>
>eflags         0x10246             [ PF ZF IF RF ]
>cs             0x33                51
>ss             0x2b                43
>ds             0x0                 0
>es             0x0                 0
>fs             0x0                 0
>gs             0x0                 0
>Dump of assembler code for function tidy_path:
>   0x000056441d4d8c30 <+0>:	push   %r12
>   0x000056441d4d8c32 <+2>:	push   %rbp
>   0x000056441d4d8c33 <+3>:	push   %rbx
>   0x000056441d4d8c34 <+4>:	mov    %rdi,%rbx
>   0x000056441d4d8c37 <+7>:	callq  0x56441d4d8240 <strlen@plt>
>   0x000056441d4d8c3c <+12>:	lea    -0x1(%rbx,%rax,1),%rax
>   0x000056441d4d8c41 <+17>:	cmpb   $0x2f,(%rax)
>   0x000056441d4d8c44 <+20>:	je     0x56441d4d8c4f <tidy_path+31>
>   0x000056441d4d8c46 <+22>:	mov    $0x2f,%edx
>   0x000056441d4d8c4b <+27>:	mov    %dx,0x1(%rax)
>   0x000056441d4d8c4f <+31>:	xor    %r12d,%r12d
>   0x000056441d4d8c52 <+34>:	jmp    0x56441d4d8c5e <tidy_path+46>
>   0x000056441d4d8c54 <+36>:	nopl   0x0(%rax)
>   0x000056441d4d8c58 <+40>:	mov    $0x1,%r12d
>   0x000056441d4d8c5e <+46>:	lea    0x153e(%rip),%rsi        # 0x56441d4da1a3
>   0x000056441d4d8c65 <+53>:	mov    %rbx,%rdi
>   0x000056441d4d8c68 <+56>:	callq  0x56441d4d8b10 <substr>
>   0x000056441d4d8c6d <+61>:	test   %eax,%eax
>   0x000056441d4d8c6f <+63>:	jne    0x56441d4d8c58 <tidy_path+40>
>   0x000056441d4d8c71 <+65>:	jmp    0x56441d4d8c7e <tidy_path+78>
>   0x000056441d4d8c73 <+67>:	nopl   0x0(%rax,%rax,1)
>   0x000056441d4d8c78 <+72>:	mov    $0x1,%r12d
>   0x000056441d4d8c7e <+78>:	lea    0x1522(%rip),%rsi        # 0x56441d4da1a7
>   0x000056441d4d8c85 <+85>:	mov    %rbx,%rdi
>   0x000056441d4d8c88 <+88>:	callq  0x56441d4d8b10 <substr>
>   0x000056441d4d8c8d <+93>:	test   %eax,%eax
>   0x000056441d4d8c8f <+95>:	jne    0x56441d4d8c78 <tidy_path+72>
>   0x000056441d4d8c91 <+97>:	lea    0x1512(%rip),%rbp        # 0x56441d4da1aa
>   0x000056441d4d8c98 <+104>:	mov    %rbx,%rdi
>   0x000056441d4d8c9b <+107>:	mov    %rbp,%rsi
>   0x000056441d4d8c9e <+110>:	callq  0x56441d4d8360 <strstr@plt>
>   0x000056441d4d8ca3 <+115>:	test   %rax,%rax
>   0x000056441d4d8ca6 <+118>:	je     0x56441d4d8cf9 <tidy_path+201>
>   0x000056441d4d8ca8 <+120>:	nopl   0x0(%rax,%rax,1)
>   0x000056441d4d8cb0 <+128>:	lea    -0x1(%rax),%rdx
>   0x000056441d4d8cb4 <+132>:	cmp    %rdx,%rbx
>   0x000056441d4d8cb7 <+135>:	jne    0x56441d4d8cc9 <tidy_path+153>
>   0x000056441d4d8cb9 <+137>:	jmp    0x56441d4d8d28 <tidy_path+248>
>   0x000056441d4d8cbb <+139>:	nopl   0x0(%rax,%rax,1)
>   0x000056441d4d8cc0 <+144>:	sub    $0x1,%rdx
>   0x000056441d4d8cc4 <+148>:	cmp    %rdx,%rbx
>   0x000056441d4d8cc7 <+151>:	je     0x56441d4d8d28 <tidy_path+248>
>   0x000056441d4d8cc9 <+153>:	cmpb   $0x2f,(%rdx)
>   0x000056441d4d8ccc <+156>:	jne    0x56441d4d8cc0 <tidy_path+144>
>   0x000056441d4d8cce <+158>:	xor    %ecx,%ecx
>   0x000056441d4d8cd0 <+160>:	movzbl 0x3(%rax,%rcx,1),%r8d
>   0x000056441d4d8cd6 <+166>:	mov    $0x1,%r12d
>=> 0x000056441d4d8cdc <+172>:	mov    %r8b,(%rdx,%rcx,1)
>   0x000056441d4d8ce0 <+176>:	add    $0x1,%rcx
>   0x000056441d4d8ce4 <+180>:	test   %r8b,%r8b
>   0x000056441d4d8ce7 <+183>:	jne    0x56441d4d8cd0 <tidy_path+160>
>   0x000056441d4d8ce9 <+185>:	mov    %rbp,%rsi
>   0x000056441d4d8cec <+188>:	mov    %rbx,%rdi
>   0x000056441d4d8cef <+191>:	callq  0x56441d4d8360 <strstr@plt>
>   0x000056441d4d8cf4 <+196>:	test   %rax,%rax
>   0x000056441d4d8cf7 <+199>:	jne    0x56441d4d8cb0 <tidy_path+128>
>   0x000056441d4d8cf9 <+201>:	cmpb   $0x0,(%rbx)
>   0x000056441d4d8cfc <+204>:	je     0x56441d4d8d32 <tidy_path+258>
>   0x000056441d4d8cfe <+206>:	mov    %rbx,%rdi
>   0x000056441d4d8d01 <+209>:	callq  0x56441d4d8240 <strlen@plt>
>   0x000056441d4d8d06 <+214>:	lea    -0x1(%rbx,%rax,1),%rdx
>   0x000056441d4d8d0b <+219>:	cmp    %rdx,%rbx
>   0x000056441d4d8d0e <+222>:	je     0x56441d4d8d18 <tidy_path+232>
>   0x000056441d4d8d10 <+224>:	cmpb   $0x2f,(%rdx)
>   0x000056441d4d8d13 <+227>:	je     0x56441d4d8d66 <tidy_path+310>
>   0x000056441d4d8d15 <+229>:	nopl   (%rax)
>   0x000056441d4d8d18 <+232>:	cmpb   $0x2e,(%rbx)
>   0x000056441d4d8d1b <+235>:	je     0x56441d4d8d40 <tidy_path+272>
>   0x000056441d4d8d1d <+237>:	mov    %r12d,%eax
>   0x000056441d4d8d20 <+240>:	pop    %rbx
>   0x000056441d4d8d21 <+241>:	pop    %rbp
>   0x000056441d4d8d22 <+242>:	pop    %r12
>   0x000056441d4d8d24 <+244>:	retq   
>   0x000056441d4d8d25 <+245>:	nopl   (%rax)
>   0x000056441d4d8d28 <+248>:	cmpb   $0x2f,(%rdx)
>   0x000056441d4d8d2b <+251>:	je     0x56441d4d8cce <tidy_path+158>
>   0x000056441d4d8d2d <+253>:	cmpb   $0x0,(%rbx)
>   0x000056441d4d8d30 <+256>:	jne    0x56441d4d8cfe <tidy_path+206>
>   0x000056441d4d8d32 <+258>:	mov    $0x2f,%eax
>   0x000056441d4d8d37 <+263>:	mov    %ax,(%rbx)
>   0x000056441d4d8d3a <+266>:	jmp    0x56441d4d8cfe <tidy_path+206>
>   0x000056441d4d8d3c <+268>:	nopl   0x0(%rax)
>   0x000056441d4d8d40 <+272>:	cmpb   $0x2f,0x1(%rbx)
>   0x000056441d4d8d44 <+276>:	jne    0x56441d4d8d1d <tidy_path+237>
>   0x000056441d4d8d46 <+278>:	lea    0x2(%rbx),%rax
>   0x000056441d4d8d4a <+282>:	nopw   0x0(%rax,%rax,1)
>   0x000056441d4d8d50 <+288>:	movzbl (%rax),%edx
>   0x000056441d4d8d53 <+291>:	add    $0x1,%rax
>   0x000056441d4d8d57 <+295>:	mov    $0x1,%r12d
>   0x000056441d4d8d5d <+301>:	mov    %dl,-0x3(%rax)
>   0x000056441d4d8d60 <+304>:	test   %dl,%dl
>   0x000056441d4d8d62 <+306>:	jne    0x56441d4d8d50 <tidy_path+288>
>   0x000056441d4d8d64 <+308>:	jmp    0x56441d4d8d18 <tidy_path+232>
>   0x000056441d4d8d66 <+310>:	lea    -0x1(%rdx),%rax
>   0x000056441d4d8d6a <+314>:	movb   $0x0,(%rdx)
>   0x000056441d4d8d6d <+317>:	cmp    %rax,%rbx
>   0x000056441d4d8d70 <+320>:	je     0x56441d4d8d18 <tidy_path+232>
>   0x000056441d4d8d72 <+322>:	movzbl -0x1(%rdx),%edx
>   0x000056441d4d8d76 <+326>:	jmp    0x56441d4d8d89 <tidy_path+345>
>   0x000056441d4d8d78 <+328>:	nopl   0x0(%rax,%rax,1)
>   0x000056441d4d8d80 <+336>:	movzbl (%rax),%edx
>   0x000056441d4d8d83 <+339>:	mov    $0x1,%r12d
>   0x000056441d4d8d89 <+345>:	cmp    $0x2f,%dl
>   0x000056441d4d8d8c <+348>:	jne    0x56441d4d8d18 <tidy_path+232>
>   0x000056441d4d8d8e <+350>:	sub    $0x1,%rax
>   0x000056441d4d8d92 <+354>:	movb   $0x0,0x1(%rax)
>   0x000056441d4d8d96 <+358>:	cmp    %rax,%rbx
>   0x000056441d4d8d99 <+361>:	jne    0x56441d4d8d80 <tidy_path+336>
>   0x000056441d4d8d9b <+363>:	mov    $0x1,%r12d
>   0x000056441d4d8da1 <+369>:	jmpq   0x56441d4d8d18 <tidy_path+232>
>End of assembler dump.

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Attachments on bug 1786376: 1647541 | 1647542 | 1647543 | 1647544 | 1647545 | 1647546 | 1647547 | 1647548 | 1647549 | 1647550 | 1647551 | 1647552