ci2 starts bisection 2023-10-13 00:09:49.977499133 +0000 UTC m=+13216.810166667 bisecting fixing commit since 09e0f8509684d14f06d86c4de0f9f2d635d04b40 building syzkaller on aaed018397bf51a5aaff9a072ba223d81cd3c107 ensuring issue is reproducible on original commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db7e8070ce22accb720510144600a593c1c8fa511911cb0111579f6603abb912 all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed97bae2cb726596c750b5f804e6b7da853416674e0c81f21d244d2a3bef8cf6 all runs: OK false negative chance: 0.000 kconfig minimization: base=5179 full=6523 leaves diff=252 split chunks (needed=false): <252> split chunk #0 of len 252 into 5 parts testing without sub-chunk 1/5 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73311ce66235d3c74e9480336c9f3c7bffbb3f5fd71e202774f4c21b6f8fd840 all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac7988cde110e798331e0ad64223b67a097007884c5b0fa8fbef16037d4ca0a9 all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4e22bbd4a00e001515f776505a4f07ba6bb870f7e1b9d1fddfebdfd53a51fe2c all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a109631cb14bb49aec8481580c907be0b98b8153d0e950eb6bf657295a794420 all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 testing commit 09e0f8509684d14f06d86c4de0f9f2d635d04b40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 09e0f8509684d14f06d86c4de0f9f2d635d04b40: net/socket.c:1225: undefined reference to `wext_handle_ioctl' net/socket.c:3420: undefined reference to `compat_wext_handle_ioctl' net/core/net-procfs.c:329: undefined reference to `wext_proc_init' net/core/net-procfs.c:345: undefined reference to `wext_proc_exit' minimized to 48 configs; suspects: [HID_ZEROPLUS USB_NET_DM9601 USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF] testing current HEAD acb072863888c916b539271c9a2c2e91fbfcceb6 testing commit acb072863888c916b539271c9a2c2e91fbfcceb6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 596ac84bb7149f461e3d052507048d07a6375744bda6e66e716a061120b99630 all runs: crashed: BUG: stack guard page was hit in sys_sendmmsg representative crash: BUG: stack guard page was hit in sys_sendmmsg, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release revisions tested: 7, total time: 51m0.921582683s (build: 20m28.658126963s, test: 27m56.637750853s) crash still not fixed or there were kernel test errors commit msg: UPSTREAM: usb: core: stop USB enumeration if too many retries crash: BUG: stack guard page was hit in sys_sendmmsg BUG: TASK stack guard page was hit at ffffc90000d2fff8 (stack is ffffc90000d30000..ffffc90000d38000) stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 406 Comm: syz-executor.0 Not tainted 6.1.25-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:vsnprintf+0x133/0x1a90 lib/vsprintf.c:2752 Code: 24 28 48 8d 70 10 48 c1 e8 03 48 89 44 24 20 4c 8b 74 24 48 48 89 74 24 18 4d 89 fc 4c 89 ff 4c 8d bc 24 80 00 00 00 4c 89 fe 58 19 00 00 89 c3 48 8b 44 24 38 42 80 3c 28 00 74 08 4c 89 ff RSP: 0018:ffffc90000d30000 EFLAGS: 00010a02 RAX: 1ffff920001a602c RBX: 1ffff920001a600c RCX: ffffc90000d30168 RDX: 000000007fffffff RSI: ffffc90000d30080 RDI: ffffffff84899a40 RBP: ffffc90000d300f0 R08: dffffc0000000000 R09: ffffc90000d30160 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff84899a40 R13: dffffc0000000000 R14: ffffc90000d30320 R15: ffffc90000d30080 FS: 00007f163081e6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000d2fff8 CR3: 0000000124d0e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sprintf+0xd1/0x120 lib/vsprintf.c:3004 print_time kernel/printk/printk.c:1276 [inline] info_print_prefix+0x149/0x2d0 kernel/printk/printk.c:1302 record_print_text+0x140/0x340 kernel/printk/printk.c:1351 console_emit_next_record+0x573/0x910 kernel/printk/printk.c:2724 console_unlock+0x28e/0x560 kernel/printk/printk.c:2870 vprintk_emit+0xe1/0x340 kernel/printk/printk.c:2272 vprintk_default+0x18/0x20 kernel/printk/printk.c:2283 vprintk+0x49/0x50 kernel/printk/printk_safe.c:50 _printk+0xca/0x10a kernel/printk/printk.c:2293 __dev_queue_xmit+0x18a5/0x2d10 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 __gre_xmit net/ipv4/ip_gre.c:469 [inline] ipgre_xmit+0x683/0x9e0 net/ipv4/ip_gre.c:661 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 sit_tunnel_xmit__ net/ipv6/sit.c:1057 [inline] sit_tunnel_xmit+0x921/0x21d0 net/ipv6/sit.c:1073 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 __gre_xmit net/ipv4/ip_gre.c:469 [inline] ipgre_xmit+0x683/0x9e0 net/ipv4/ip_gre.c:661 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 sit_tunnel_xmit__ net/ipv6/sit.c:1057 [inline] sit_tunnel_xmit+0x921/0x21d0 net/ipv6/sit.c:1073 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 __gre_xmit net/ipv4/ip_gre.c:469 [inline] ipgre_xmit+0x683/0x9e0 net/ipv4/ip_gre.c:661 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 sit_tunnel_xmit__ net/ipv6/sit.c:1057 [inline] sit_tunnel_xmit+0x921/0x21d0 net/ipv6/sit.c:1073 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 __gre_xmit net/ipv4/ip_gre.c:469 [inline] ipgre_xmit+0x683/0x9e0 net/ipv4/ip_gre.c:661 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 sit_tunnel_xmit__ net/ipv6/sit.c:1057 [inline] sit_tunnel_xmit+0x921/0x21d0 net/ipv6/sit.c:1073 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out+0x71/0x80 net/ipv4/ip_output.c:126 iptunnel_xmit+0x49e/0x800 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1c8b/0x2960 net/ipv4/ip_tunnel.c:813 __gre_xmit net/ipv4/ip_gre.c:469 [inline] ipgre_xmit+0x683/0x9e0 net/ipv4/ip_gre.c:661 __netdev_start_xmit include/linux/netdevice.h:4904 [inline] netdev_start_xmit include/linux/netdevice.h:4918 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1d2/0x4d0 net/core/dev.c:3616 __dev_queue_xmit+0x1430/0x2d10 net/core/dev.c:4266 dev_queue_xmit include/linux/netdevice.h:3072 [inline] neigh_connected_output+0x42a/0x4b0 net/core/neighbour.c:1612 neigh_output include/net/neighbour.h:554 [inline] ip_finish_output2+0x98e/0xe80 net/ipv4/ip_output.c:228 __ip_finish_output+0x148/0x2f0 ip_finish_output+0x27/0x200 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_mc_output+0x326/0x960 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] ip_send_skb net/ipv4/ip_output.c:1586 [inline] ip_push_pending_frames+0xea/0x140 net/ipv4/ip_output.c:1606 raw_sendmsg+0x1143/0x2260 net/ipv4/raw.c:647 inet_sendmsg+0x8c/0xa0 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] ____sys_sendmsg+0x492/0x810 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmmsg+0x31b/0x590 net/socket.c:2622 __do_sys_sendmmsg net/socket.c:2651 [inline] __se_sys_sendmmsg net/socket.c:2648 [inline] __x64_sys_sendmmsg+0x9b/0xb0 net/socket.c:2648 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f162fa7c999 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f163081e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f162fb9bf80 RCX: 00007f162fa7c999 RDX: 0000000000000300 RSI: 0000000020003380 RDI: 0000000000000003 RBP: 00007f162fad8c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f162fb9bf80 R15: 00007ffec4e53f98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vsnprintf+0x133/0x1a90 lib/vsprintf.c:2752 Code: 24 28 48 8d 70 10 48 c1 e8 03 48 89 44 24 20 4c 8b 74 24 48 48 89 74 24 18 4d 89 fc 4c 89 ff 4c 8d bc 24 80 00 00 00 4c 89 fe 58 19 00 00 89 c3 48 8b 44 24 38 42 80 3c 28 00 74 08 4c 89 ff RSP: 0018:ffffc90000d30000 EFLAGS: 00010a02 RAX: 1ffff920001a602c RBX: 1ffff920001a600c RCX: ffffc90000d30168 RDX: 000000007fffffff RSI: ffffc90000d30080 RDI: ffffffff84899a40 RBP: ffffc90000d300f0 R08: dffffc0000000000 R09: ffffc90000d30160 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff84899a40 R13: dffffc0000000000 R14: ffffc90000d30320 R15: ffffc90000d30080 FS: 00007f163081e6c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000d2fff8 CR3: 0000000124d0e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 24 28 and $0x28,%al 2: 48 8d 70 10 lea 0x10(%rax),%rsi 6: 48 c1 e8 03 shr $0x3,%rax a: 48 89 44 24 20 mov %rax,0x20(%rsp) f: 4c 8b 74 24 48 mov 0x48(%rsp),%r14 14: 48 89 74 24 18 mov %rsi,0x18(%rsp) 19: 4d 89 fc mov %r15,%r12 1c: 4c 89 ff mov %r15,%rdi 1f: 4c 8d bc 24 80 00 00 lea 0x80(%rsp),%r15 26: 00 27: 4c 89 fe mov %r15,%rsi * 2a: e8 58 19 00 00 call 0x1987 <-- trapping instruction 2f: 89 c3 mov %eax,%ebx 31: 48 8b 44 24 38 mov 0x38(%rsp),%rax 36: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 3b: 74 08 je 0x45 3d: 4c 89 ff mov %r15,%rdi