syzbot


kernel panic: (cclose ADDR

Status: auto-closed as invalid on 2019/02/22 10:26
Reported-by: syzbot+7e76cb0448f119f2992b@syzkaller.appspotmail.com
First crash: 2096d, last: 2096d

Sample crash report:
kernel panic at kern/src/ns/chan.c:331, from core 3: (cclose 0x0000000000000000
Stack Backtrace on Core 3:
“ηΦ#01 [<0xffffffffc200a30c>] in backtrace
#0ΐ'n‡;WΝ%2 [<0xffffffffc2009b0d>] in _panic
ρ#03 [<0xffffffffc203190a>] in cclose
{#04 [<0xffffffffc20332e9>] in walk_symlink
³#05 [<0xffffffffc20332d4>] in walk_symlink
²‹‘…a+‘`#06 [<0xffffffffc20332d4>] in ΄walk_symlink
#07 [<0xffffffffc20332d4>] in walk_symlink
Γ(wqͺ¬χzwπu#08 [<0xffffffffc20332d4>] in walk_symlink
#09 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700
#10 [<0xffffffffc20332d4>] in walk_symlink at src/ns/chan.c:1700
#11 [<0xffffffffc2032df2>] in walk at src/ns/chan.c:871
#12 [<0xffffffffc20334c9>] in __namec_from at src/ns/chan.c:1138
#13 [<0xffffffffc20340af>] in namec at src/ns/chan.c:1516
#14 [<0xffffffffc203d72d>] in sysbind at src/ns/sysfile.c:467
#15 [<0xffffffffc2055b1e>] in sys_nbind at src/syscall.c:2170
#16 [<0xffffffffc20594d9>] in syscall at src/syscall.c:2462
#17 [<0xffffffffc20596a4>] in run_local_syscall at src/syscall.c:2497
#18 [<0xffffffffc2059bd9>] in prep_syscalls at src/syscall.c:2517
#19 [<0xffffffffc20ab56a>] in sysenter_callwrapper at arch/x86/trap.c:854
kernel warning at kern/src/ns/convM2D.c:52, from core 2: nbuf 4096, STAT_FIX_LEN_9P 49 BIT16SZ 2, GBIT16(buf) 0 
Stack Backtrace on Core 2:
#01 [<0xffffffffc200a30c>] in backtrace at src/kdebug.c:220
#02 [<0xffffffffc2009ba4>] in _warn at src/init.c:323
#03 [<0xffffffffc2034cdd>] in statcheck at src/ns/convM2D.c:51
#04 [<0xffffffffc203df88>] in validstat at src/ns/sysfile.c:961
#05 [<0xffffffffc203efee>] in sysfwstat at src/ns/sysfile.c:421
#06 [<0xffffffffc2055d10>] in sys_fwstat at src/syscall.c:2271
#07 [<0xffffffffc20594d9>] in syscall at src/syscall.c:2462
#08 [<0xffffffffc20596a4>] in run_local_syscall at src/syscall.c:2497
#09 [<0xffffffffc2059bd9>] in prep_syscalls at src/syscall.c:2517
#10 [<0xffffffffc20ab56a>] in sysenter_callwrapper at arch/x86/trap.c:854

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/31 15:50 akaros 6f34e34a70a3 1a381291 .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.