mac80211_hwsim hwsim13 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) f2fs_msg: 14 callbacks suppressed F2FS-fs (loop0): Insane cp_payload (29952 > 510) F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock ================================================================================ 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: 15740 Comm: syz-executor.5 Not tainted 4.19.152-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_ipportip_create.cold+0x1a/0x3f net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x714/0x1430 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: 0033:0x45de59 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa0b093dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffdf1f3279f R14: 00007fa0b093e9c0 R15: 000000000118bf2c ================================================================================ F2FS-fs (loop0): Unable to read 2th superblock F2FS-fs (loop0): Insane cp_payload (29952 > 510) F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop0): Unable to read 2th superblock mac80211_hwsim hwsim13 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) F2FS-fs (loop0): Insane cp_payload (29952 > 510) F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop0): Unable to read 2th superblock F2FS-fs (loop0): Insane cp_payload (29952 > 510) mac80211_hwsim hwsim15 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) kauditd_printk_skb: 11 callbacks suppressed audit: type=1400 audit(1603284482.817:82): avc: denied { block_suspend } for pid=15783 comm="syz-executor.5" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 mac80211_hwsim hwsim13 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) ptrace attach of "/root/syz-executor.2"[15793] was attempted by "/root/syz-executor.2"[15800] mac80211_hwsim hwsim15 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) ptrace attach of "/root/syz-executor.2"[15793] was attempted by "/root/syz-executor.2"[15839] mac80211_hwsim hwsim13 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) mac80211_hwsim hwsim15 wlan1: (WE) : Wireless Event (cmd=0x8B1A) too big (33) ptrace attach of "/root/syz-executor.2"[15843] was attempted by "/root/syz-executor.2"[15849] 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(1603284484.138:83): pid=15881 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.0" name="cpuacct.stat" dev="sda1" ino=16538 res=0 audit: type=1804 audit(1603284484.198:84): pid=15884 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/170/file0/bus" dev="ramfs" ino=48102 res=1 audit: type=1804 audit(1603284484.208:85): pid=15884 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/170/file0/bus" dev="ramfs" ino=48102 res=1 audit: type=1804 audit(1603284484.218:86): pid=15884 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/170/file0/bus" dev="ramfs" ino=48102 res=1 ptrace attach of "/root/syz-executor.2"[15918] was attempted by "/root/syz-executor.2"[15926] audit: type=1804 audit(1603284484.648:87): pid=15922 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/171/file0/bus" dev="ramfs" ino=48970 res=1 audit: type=1804 audit(1603284484.708:88): pid=15922 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/171/file0/bus" dev="ramfs" ino=48970 res=1 audit: type=1804 audit(1603284484.708:89): pid=15922 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir959240868/syzkaller.4pOBx3/171/file0/bus" dev="ramfs" ino=48970 res=1 audit: type=1804 audit(1603284484.838:90): pid=15939 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir461213205/syzkaller.pfav5P/214/file0/bus" dev="ramfs" ino=49195 res=1 audit: type=1804 audit(1603284484.838:91): pid=15941 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir407389319/syzkaller.E1GtGl/199/file0/bus" dev="ramfs" ino=49196 res=1 ptrace attach of "/root/syz-executor.2"[15969] was attempted by "/root/syz-executor.2"[15973] wlan1: Trigger new scan to find an IBSS to join wlan1: Trigger new scan to find an IBSS to join mkiss: ax0: crc mode is auto. syz-executor.1 uses obsolete (PF_INET,SOCK_PACKET) wlan1: Trigger new scan to find an IBSS to join wlan1: Trigger new scan to find an IBSS to join kauditd_printk_skb: 31 callbacks suppressed audit: type=1804 audit(1603284489.728:123): pid=16117 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir180802850/syzkaller.S3SbF1/186/bus" dev="sda1" ino=16546 res=1 audit: type=1804 audit(1603284489.768:124): pid=16112 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir180802850/syzkaller.S3SbF1/186/bus" dev="sda1" ino=16546 res=1 audit: type=1804 audit(1603284489.868:125): pid=16112 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir180802850/syzkaller.S3SbF1/186/bus" dev="sda1" ino=16546 res=1 audit: type=1804 audit(1603284489.898:126): pid=16112 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir180802850/syzkaller.S3SbF1/186/bus" dev="sda1" ino=16546 res=1 audit: type=1804 audit(1603284490.378:127): pid=16135 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir180802850/syzkaller.S3SbF1/187/bus" dev="sda1" ino=16556 res=1