wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 1 PID: 8117 Comm: syz-executor.2 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_netnet_create.cold+0x1a/0x22 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f045f615c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007fffe854f9cf R14: 00007f045f6169c0 R15: 000000000118cf4c ================================================================================ IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1601319628.894:9): pid=8158 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/2/memory.events" dev="sda1" ino=15773 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1800 audit(1601319628.924:10): pid=8158 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="memory.events" dev="sda1" ino=15773 res=0 audit: type=1804 audit(1601319628.954:11): pid=8165 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/2/memory.events" dev="sda1" ino=15773 res=1 audit: type=1800 audit(1601319629.184:12): pid=8165 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="memory.events" dev="sda1" ino=15773 res=0 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1601319629.184:13): pid=8158 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/2/memory.events" dev="sda1" ino=15773 res=1 audit: type=1804 audit(1601319631.615:14): pid=8360 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/19/bus" dev="sda1" ino=15788 res=1 audit: type=1804 audit(1601319631.665:15): pid=8360 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/19/bus" dev="sda1" ino=15788 res=1 audit: type=1804 audit(1601319631.715:16): pid=8351 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/19/bus" dev="sda1" ino=15788 res=1 L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. audit: type=1804 audit(1601319631.725:17): pid=8360 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/19/bus" dev="sda1" ino=15788 res=1 Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1 audit: type=1804 audit(1601319631.725:18): pid=8363 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir610735188/syzkaller.ayOWTt/19/bus" dev="sda1" ino=15788 res=1 encrypted_key: key trusted:em1 not found netlink: 188 bytes leftover after parsing attributes in process `syz-executor.4'. mmap: syz-executor.1 (8663) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. FAT-fs (loop3): bogus number of FAT sectors FAT-fs (loop3): Can't find a valid FAT filesystem EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop1): ext4_validate_block_bitmap:392: comm syz-executor.1: bg 0: block 2: invalid block bitmap overlayfs: filesystem on './bus' not supported as upperdir EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue overlayfs: overlapping upperdir path overlayfs: 'file0' not a directory ================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 234 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 8772 Comm: syz-executor.2 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161