syzbot


kernel panic: aProc-ful Page at 0x000Fau0l0#NUM>] in syscall

Status: closed as invalid on 2018/07/18 15:20
Reported-by: syzbot+4a2af667e1fd7c25cce2@syzkaller.appspotmail.com
First crash: 2121d, last: 2121d

Sample crash report:
ykernel panic at kern/arch/x86/trap.c:311, from core 2: aProc-ful Page  at 0x000Fau0l0#59149>] in syscall
0x000020 [<0xffffffffc205090149>] in syscal0200l
0#0013 [<00xfffff0!fffc2059304>] in r
uStackn _locaBaclkt_syscall
r#04 [<0xffffffffffffc20c259805939>] 8#b01 [<0xffffff7>] in backtrace
fllfs
c#05 20aaf1a>] in sysenter_c[#02 [<0xffffffffc2009b7c>] in _panic
<#03 [<0xffffffffc20aa649>] in trap
0
xffffffffc20aa649>] in trap
c
r_callwrapper
kernel panic at kern/arch/x86/trap.c:311, from core 3: Proc-ful Page Fault in the Kernel at 0x000000000000001b!
Stack Backtrace on Core 3:
#01 [<0xffffffffc200a3b7>] in backtrace at src/kdebug.c:219
#02 [<0xffffffffc2009b7c>] in _panic at src/init.c:266
#03 [<     [inline]     >] in __handler_kernel_page_fault at arch/x86/trap.c:311
#03 [<     [inline]     >] in __handle_page_fault at arch/x86/trap.c:327
#03 [<     [inline]     >] in trap_dispatch at arch/x86/trap.c:589
#03 [<0xffffffffc20aa649>] in trap at arch/x86/trap.c:674
TROS(Core 2)>O S(Core 2)> or a list of commands.
00:24:19 executing program 4:
openat$proc_self_fpregs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/fpregs\x00', 0x481f576b2854f15, 0x1, 0x0)
00:24:19 executing program 2:
r0 = openat$net_tcp_0_err(0xffffffffffffff9c, &(0x7f0000000080)='/net/tcp/0/err\x00', 0xf, 0x3, 0x0)
r1 = openat$net_tcp_1_status(0xffffffffffffff9c, &(0x7f00000000c0)='/net/tcp/1/status\x00', 0x12, 0x1, 0x0)
fcntl$F_DUPFD(r0, 0x0, r1, 0x0)
openat$net_icmp_stats(0xffffffffffffff9c, &(0x7f0000000000)='/net/icmp/stats\x00', 0x10, 0x1, 0x0)
openat$net_tcp_2_listen(0xffffffffffffff9c, &(0x7f0000000040)='/net/tcp/2/listen\x00', 0x12, 0x3, 0x0)
openat$net_ipifc_1_local(0xffffffffffffff9c, &(0x7f0000000140)='/net/ipifc/1/local\x00', 0x13, 0x1, 0x0)
openat$proc_self_vmstatus(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/vmstatus\x00', 0x14, 0x1, 0x0)
00:24:19 executing program 0:
r0 = openat$net_ipifc_0_listen(0xffffffffffffff9c, &(0x7f0000000000)='/net/ipifc/0/listen\x00', 0x14, 0x3, 0x0)
openat$dev_cons(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cons\x00', 0xa, 0x3, 0x0)
r1 = openat$net_udp_0_ctl(0xffffffffffffff9c, &(0x7f0000000080)='/net/udp/0/ctl\x00', 0xf, 0x3, 0x0)
fcntl$F_GETFD(r0, 0x1)
read(r1, &(0x7f00000000c0)=""/4096, 0x1000)
openat$net_ipifc_0_local(0xffffffffffffff9c, &(0x7f00000010c0)='/net/ipifc/0/local\x00', 0x13, 0x1, 0x0)
openat$net_tcp_0_data(0xffffffffffffff9c, &(0x7f0000001100)='/net/tcp/0/data\x00', 0x10, 0x3, 0x0)
openat$proc_self_mem(0xffffffffffffff9c, &(0x7f0000001140)='/proc/self/mem\x00', 0xf, 0x1, 0x0)
r2 = openat$net_ipifc_1_remote(0xffffffffffffff9c, &(0x7f0000001180)='/net/ipifc/1/remote\x00', 0x14, 0x1, 0x0)
openat$dev_swap(0xffffffffffffff9c, &(0x7f00000011c0)='/dev/swap\x00', 0xa, 0x3, 0x0)
openat$dev_bintime(0xffffffffffffff9c, &(0x7f0000001200)='/dev/bintime\x00', 0xd, 0x3, 0x0)
openat(r2, &(0x7f0000001240)='./file0\x00', 0x8, 0x40, 0x10)
openat$proc_self_fpregs(0xffffffffffffff9c, &(0x7f0000001280)='/proc/self/fpregs\x00', 0x12, 0x1, 0x0)
openat$proc_self_note(0xffffffffffffff9c, &(0x7f00000012c0)='/proc/self/note\x00', 0x10, 0x1, 0x0)
openat$net_udp_clone(0xffffffffffffff9c, &(0x7f0000001300)='/net/udp/clone\x00', 0xf, 0x3, 0x0)
openat$net_ether0_1_ifstats(0xffffffffffffff9c, &(0x7f0000001340)='/net/ether0/1/ifstats\x00', 0x16, 0x1, 0x0)
openat$net_ether0_2_ifstats(0xffffffffffffff9c, &(0x7f0000001380)='/net/ether0/2/ifstats\x00', 0x16, 0x1, 0x0)
openat$net_udp_0_remote(0xffffffffffffff9c, &(0x7f00000013c0)='/net/udp/0/remote\x00', 0x12, 0x1, 0x0)
00:24:19 executing program 6:
openat$net_iprouter(0xffffffffffffff9c, &(0x7f0000000080)='/net/iprouter\x00', 0xe, 0x3, 0x0)
r0 = openat$net_udp_0_data(0xffffffffffffff9c, &(0x7f00000000c0)='/net/udp/0/data\x00', 0xa1, 0x3, 0x0)
openat$dev_hostowner(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hostowner\x00', 0xf, 0x3, 0x0)
llseek(r0, 0x0, 0x0, &(0x7f0000000000), 0x5)
access(&(0x7f0000000100)='./file0\x00', 0x8, 0x6)
00:24:19 executing program 3:
openat$net_ether0_addr(0xffffffffffffff9c, &(0x7f0000000140)='/net/ether0/addr\x00', 0x8c311f5c25510f9e, 0x3, 0x0)
openat$dev_killkid(0xffffffffffffff9c, &(0x7f0000000000)='/dev/killkid\x00', 0xd, 0x3, 0x0)
00:24:19 executing program 5:
openat$net_tcp_0_local(0xffffffffffffff9c, &(0x7f0000000000)='/net/tcp/0/local\x00', 0x11, 0x1, 0x0)
00:24:19 executing program 1:
r0 = openat$proc_self_user(0xffffffffffffff9c, &(0x7f00000003c0)='/proc/self/user\x00', 0x10, 0x1, 0x0)
tcgetattr(r0, &(0x7f0000000500))
openat$net_tcp_1_data(0xffffffffffffff9c, &(0x7f0000000080)='/net/tcp/1/data\x00', 0xffffffffffffff69, 0x3, 0x0)
openat$prof_mpstat_raw(0xffffffffffffff9c, &(0x7f0000000000)='/prof/mpstat-raw\x00', 0x11, 0x3, 0x0)
openat$net_tcp_0_local(0xffffffffffffff9c, &(0x7f0000000040)='/net/tcp/0/local\x00', 0x11, 0x1, 0x0)
00:24:19 executing program 7:
r0 = openat$net_ipifc_1_data(0xffffffffffffff9c, &(0x7f0000000200)='/net/ipifc/1/data\x00', 0x12, 0x3, 0x0)
fcntl$F_GETFL(r0, 0x3)
openat$prof_kpdata(0xffffffffffffff9c, &(0x7f0000000040)='/prof/kpdata\x00', 0xd, 0x3, 0x0)
openat$dev_kprint(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kprint\x00', 0xc, 0x1, 0x0)
fcntl$F_GETFD(r0, 0x1)

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/17 00:24 akaros 93b9607ebeff 13761366 .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.