kernel panic at kern/arch/x86/trap.c:309, from core 3: kProc-ful Page Faurlt in the Kernel at 0x000000000000001b!oc- fP frame at 0xfffffff0000e2d30 on core 3 H00000001b!kernel] Wd user addr 0x0000000020001840 (+0xfffffffffb r rax 0ax 0x0000000000000000 x rbx 0xffff800015aa0860 f ffffff0000e2ea0 001840 (+0xffffffffffffff59) in sys_frdch (user bug) 000e2ea0 2 rdx rdx 0xfffffff0 0xfffffff0000e2d6c rbp 0xfffffff0000e2e38 rsi 0x0000000000000000 rdi 0xfffffff0000e2ea0 r8 0x0000000000000001 r9 0xffffffffc8790880 r10 0x0000000000000030 r11 0xffff800014bdfc20 r12 0xffff800002175e80 r13 0x0000000020000480 r14 0x0000000000000073 r15 0x0000000000000020 trap 0x0000000e Page Fault gsbs 0xffffffffc8668140 fsbs 0x0000000000000000 err 0x--------00000000 rip 0xffffffffc20583b4 cs 0x------------0008 flag 0x0000000000010246 rsp 0xfffffff0000e2df8 ss 0x------------0010 Backtrace of kernel context on Core 3: #01 [<0xffffffffc20583b4>] in sys_readlink at src/syscall.c:2037 #02 [<0xffffffffc20593c9>] in syscall at src/syscall.c:2528 #03 [<0xffffffffc2059584>] in run_local_syscall at src/syscall.c:2563 #04 [<0xffffffffc2059ab9>] in prep_syscalls at src/syscall.c:2583 #05 [<0xffffffffc20ab29a>] in sysenter_callwrapper at arch/x86/trap.c:851 19:12:55 executing program 0: r0 = openat$dev_user(0xffffffffffffff9c, &(0x7f0000000000)='/dev/user\x00', 0x1, 0x3, 0x0) openat$net_ipifc_0_snoop(0xffffffffffffff9c, &(0x7f0000000100)='/net/ipifc/0/snoop\x00', 0xfffffffffffffd17, 0x1, 0x0) openat$net_ether0_2_ifstats(0xffffffffffffff9c, &(0x7f00000000c0)='/net/ether0/2/ifstats\x00', 0x16, 0x1, 0x0) openat(r0, &(0x7f0000000040)='./file0\x00', 0x8, 0x1040, 0x9) 19:12:55 executing program 1: r0 = openat$net_udp_0_err(0xffffffffffffff9c, &(0x7f00000000c0)='/net/udp/0/err\x00', 0xf, 0x3, 0x0) fcntl$F_GETFL(r0, 0x3) read(r0, &(0x7f0000000100)=""/241, 0xf1) 19:12:55 executing program 3: r0 = openat$net_udp_0_status(0xffffffffffffff9c, &(0x7f0000000000)='/net/udp/0/status\x00', 0x12, 0x1, 0x0) openat$net_tcp_0_local(0xffffffffffffff9c, &(0x7f0000000080)='/net/tcp/0/local\x00', 0x11, 0x1, 0x0) openat(r0, &(0x7f0000000040)='./file0\x00', 0x8, 0x157, 0x0) 19:12:55 executing program 2: r0 = openat$net_ether0_2_ifstats(0xffffffffffffff9c, &(0x7f0000000080)='/net/ether0/2/ifstats\x00', 0x16, 0x1, 0x0) fd2path(r0, &(0x7f0000000100)=""/104, 0x68) openat$net_tcp_2_data(0xffffffffffffff9c, &(0x7f00000000c0)='/net/tcp/2/data\x00', 0x10, 0x3, 0x0) fd2path(r0, &(0x7f0000000040)=""/35, 0x23) openat$net_ether0_1_ifstats(0xffffffffffffff9c, &(0x7f0000000000)='/net/ether0/1/ifstats\x00', 0x16, 0x1, 0x0) 19:12:55 executing program 7: r0 = openat$dev_kmesg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kmesg\x00', 0xb, 0x1, 0x0) fcntl$F_SETFL(r0, 0x4, 0x8400) read(r0, &(0x7f0000000040)=""/96, 0x60) llseek(r0, 0x67f, 0x6, &(0x7f00000000c0), 0x0) openat$net_icmpv6_stats(0xffffffffffffff9c, &(0x7f0000000100)='/net/icmpv6/stats\x00', 0x12, 0x1, 0x0) openat$net_udp_0_status(0xffffffffffffff9c, &(0x7f0000000140)='/net/udp/0/status\x00', 0x12, 0x1, 0x0) openat$net_tcp_2_listen(0xffffffffffffff9c, &(0x7f0000000180)='/net/tcp/2/listen\x00', 0x12, 0x3, 0x0) openat$net_ether0_0_data(0xffffffffffffff9c, &(0x7f00000001c0)='/net/ether0/0/data\x00', 0x13, 0x3, 0x0) r1 = openat$net_iproute(0xffffffffffffff9c, &(0x7f0000000200)='/net/iproute\x00', 0xd, 0x3, 0x0) r2 = openat$net_tcp_1_err(0xffffffffffffff9c, &(0x7f0000000240)='/net/tcp/1/err\x00', 0xf, 0x3, 0x0) openat$dev_zero(0xffffffffffffff9c, &(0x7f0000000280)='/dev/zero\x00', 0xa, 0x1, 0x0) openat$proc_self_fpregs(0xffffffffffffff9c, &(0x7f00000002c0)='/proc/self/fpregs\x00', 0x12, 0x1, 0x0) fcntl$F_GETFL(r1, 0x3) openat$dev_zero(0xffffffffffffff9c, &(0x7f0000000300)='/dev/zero\x00', 0xa, 0x1, 0x0) openat$dev_zero(0xffffffffffffff9c, &(0x7f0000000340)='/dev/zero\x00', 0xa, 0x1, 0x0) r3 = openat$prof_kpdata(0xffffffffffffff9c, &(0x7f0000000380)='/prof/kpdata\x00', 0xd, 0x3, 0x0) openat$dev_sysstat(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/sysstat\x00', 0xd, 0x3, 0x0) openat$prof_empty(0xffffffffffffff9c, &(0x7f0000000400)='/prof/.empty\x00', 0xd, 0x3, 0x0) openat$net_tcp_1_err(0xffffffffffffff9c, &(0x7f0000000440)='/net/tcp/1/err\x00', 0xf, 0x3, 0x0) openat$dev_user(0xffffffffffffff9c, &(0x7f0000000480)='/dev/user\x00', 0xa, 0x3, 0x0) read(r2, &(0x7f00000004c0)=""/246, 0xf6) openat$net_tcp_1_ctl(0xffffffffffffff9c, &(0x7f0000000600)='/net/tcp/1/ctl\x00', 0xf, 0x3, 0x0) openat$prof_kptrace_ctl(0xffffffffffffff9c, &(0x7f0000000640)='/prof/kptrace_ctl\x00', 0x12, 0x3, 0x0) openat$net_icmp_stats(0xffffffffffffff9c, &(0x7f0000000680)='/net/icmp/stats\x00', 0x10, 0x1, 0x0) openat$net_icmp_clone(0xffffffffffffff9c, &(0x7f00000006c0)='/net/icmp/clone\x00', 0x10, 0x3, 0x0) openat$net_ether0_1_ctl(0xffffffffffffff9c, &(0x7f0000000700)='/net/ether0/1/ctl\x00', 0x12, 0x3, 0x0) openat$proc_self_ns(0xffffffffffffff9c, &(0x7f0000000740)='/proc/self/ns\x00', 0xe, 0x1, 0x0) llseek(r3, 0x20, 0x2, &(0x7f0000000780), 0x3) openat$prof_kpctl(0xffffffffffffff9c, &(0x7f00000007c0)='/prof/kpctl\x00', 0xc, 0x3, 0x0) 19:12:55 executing program 6: openat$net_tcp_0_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/net/tcp/0/ctl\x00', 0xfffffffffffffec7, 0x3, 0x0) 19:12:55 executing program 4: openat$dev_user(0xffffffffffffff9c, &(0x7f0000000000)='/dev/user\x00', 0xa, 0x3, 0x0) r0 = openat$net_tcp_1_data(0xffffffffffffff9c, &(0x7f0000000040)='/net/tcp/1/data\x00', 0xffffff9f, 0x3, 0x0) close(r0) 19:12:55 executing program 5: mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x4, 0x12032, 0xffffffffffffffff, 0x0) 19:12:55 executing program 0: openat$dev_hostowner(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hostowner\x00', 0xf, 0x3, 0x0) openat$dev_user(0xffffffffffffff9c, &(0x7f0000000000)='/dev/user\x00', 0x1, 0x3, 0x0) 19:12:55 executing program 1: r0 = openat$net_udp_0_err(0xffffffffffffff9c, &(0x7f00000000c0)='/net/udp/0/err\x00', 0xf, 0x3, 0x0) fcntl$F_GETFL(r0, 0x3) read(r0, &(0x7f0000000100)=""/241, 0xf1) 19:12:56 executing program 2: openat$net_ether0_0_type(0xffffffffffffff9c, &(0x7f0000000040)='/net/ether0/0/type\x00', 0x211, 0x1, 0x0) openat$proc_self_proc(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/proc\x00', 0xffffff05, 0x1, 0x0)