000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:30:22 executing program 2: 02:30:22 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000300)='/dev/null\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000000080)='./file0\x00') 02:30:22 executing program 3: syz_emit_ethernet(0x4f, &(0x7f0000000180)={@broadcast, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, '2[6', 0x19, 0x6, 0x0, @private0, @local, {[], {{0x0, 0x0, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, {[@eol]}}, {')'}}}}}}}, 0x0) 02:30:22 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {0x0}], 0x2) 02:30:22 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x8f5}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:30:23 executing program 2: openat$tun(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun\x00', 0xb03, 0x0) 02:30:23 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)}], 0x2) 02:30:23 executing program 3: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000500)='/dev/null\x00', 0x0, 0x0) inotify_rm_watch(r0, 0x0) 02:30:23 executing program 1: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0x0, 0x0) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x3, 0x12, r0, 0x0) 02:30:23 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x907}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) [ 1400.879177][T25420] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1550 sclass=netlink_route_socket pid=25420 comm=syz-executor.0 02:30:23 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000380)=ANY=[@ANYBLOB="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"]) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:30:24 executing program 2: socketpair$unix(0x1, 0x200000005, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r0, &(0x7f0000000880)=[{{&(0x7f0000002d80)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x80, 0x0, 0x0, 0x0, 0x1a1}}], 0x4000246, 0x0, 0x0) socketpair$unix(0x1, 0x200000005, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$sock_int(r1, 0x1, 0x27, &(0x7f0000000100), &(0x7f0000000180)=0x4) 02:30:24 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)}], 0x2) 02:30:24 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x907}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:30:24 executing program 3: 02:30:24 executing program 1: 02:30:25 executing program 3: 02:30:25 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000380)=ANY=[@ANYBLOB="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"]) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:30:25 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)}], 0x2) 02:30:25 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="ce0138f7991858b076f7b6a0005fe3e370020540e61973fb93ea186a11855c37931bbb23923190878199925d6e4f88c322dc278ffb3c1cb98d25e0dadd52431d301c4d8e56462948fca526e3eaa19d1e6613a8a950477f3a846ad840ebf03fd9c28d54f1e55d689b396684fdb443344b6a4904a0200f7a68b8ab710ff04f12d17ceccfa21e82bd3fe8e9ac3c44373020efbca3140704a20422bb4b9d7327db01eefe1c2c33d83605452d1eacf0e95b4084b58fb60c046cb01a3d80b0a64bdd3ddfe1751f8152060eb3fb443a6581be568390bd12c847f67170cdfb60f566db5e6b7bfdc3b14d72844cb0cc21c8ab09c3e534a831ae39f34ef5c1259cc3dd6e8b9ea0be7220abdc7403423e2dbe5b815a2121d0f6cf8395391208f22ecf6c51f1b850d80572408ef9d5164fe23d04152144dc226bf8404e18a1910d21e8fb27c3e1c22d47a7455414727af9a94736705af33a35602e84269332f5a8a7f2553afe01603bbeb3d7a97c503618ce7ef361e508d241e7ac457b894297fa3298adf86fecf21839d1a01385f717abc7afd9b2a3e5ddfb6894eaec20afa44b18c080a64da57d916a974bccd5e99b2580c2d5753624c168657939655d4bb51a65f3e9f50936c5dcc794de50652fdc1644d92ec30834f84eb038892ad7904a663b68c22b989b6e23184d6369403e62f096c0c67e100a4fc1fa0f714db736cbc1b2ed714f21f279f14dbd332dfc1fc7a465f150ae252b08a152bff043658274ec3b7108f1f92651e14a999a8e64b1ee49a97b7d614434e57be88100bc6e7eb7f3ea7e9c080c67dc003fbc9eeb0454a62ba06ede6dcb49ee3d5f7978052f23b87eb74cd7d83e5b2c32ce7986349d8be995a907d539ab0006a122d727d23d6669a12954db2bf400c3f5d4183cccfc22d5f5688220711b4c14811375ee59a1aad7f18819f2f7e2bf326c52afbe33e8c5d68835b95d9e0c614d27e2b116855140c1db107102af37c479b24ec3e2d59ec4d0b2cea8283560523b65fcd60f470811a0eb0793ebff40f5039b6c32f5c812c03d86ab7299e31a543e822b1df0678cfb8a0064be9cc76c0f267cf5d3457793e45477b19c48b1d4d7822ffd5229e34839a0784ab0cf8e8e06a02722a4c5fef760c6af51bc305f7489e364aa928f0cff32ac4f3e0f56dbcdc031a92c36f384081e4bd8bc96885fee40100eaf78afece1c57a42ef7edc6a0c6c07615d0a56ed087262e53d13ce31fa602c2301520ebf47a67d18641558c7f1fbd90b14626621a854b64bde2e69fc6fd0222fee1466556e8e30f6dd63a9e352dd795b2959ca02cc1ca38039be894deb1cf4939bd6d65265dd6d7e7a8bf45b9f6d9d0bdbb95b92d687588f5a04d2e7b80a06605e933e6b1836be024b7ca19721526b74379dea943e1fbc679be0468fe41ef16c2f571e1578b70b55472b18e78898e6a91a76e9c55027210ac23a33d3ec2e788bf52f38a3c249ffb96b9a9151e899b34ac4dca28f13254fe4517873d8c286545060abce9c8e41c7021814e8c9fae2adfbb10dfccf4a6123430f048e67e51c822cb89e84abbad4dffec52ee5a95267325ecce2a6ab0ca86adf34402c0295140d5a204d4dbc6f7d5e9d574604c7574b4176bc9ce0737035ef2693e2769dfcd777c28d141ed49f5f47a0ca7a3675644cd162eb8d006baa14bad065bbd1752d411ad9d4a25efa26849a5bcd1097c8a8174ec30c210b74dd4e73168550c49f5ca50fbfe3028c99f83f2981e43530c6e77bffda799b603a8eed2b27856cedbce435d47fea25f78c3f151144818dd7294e178b431bed8a06db4e3f410fa4c92549d6c0c85a30fc3a051203317bc5ea6b9765e0c64ed704d76792fbce6293d0f1a423ffb021d323aba0b41056783d78b4cdc522c1825674e15dccc87275b1f7031d3965d918a27588cbd4618702abccfa770c9877fffe1517900f4b919a0ee0ba80d49730b0f5c6eee5ac21b48f03ceba08363c30fee54b441c362cb05987a579513bb0ec094ca8dfa61d842e36eabd445e2e81a3f8819827f2eb38043752da25b6745b81da9b79e1312456a94e4225dee135a378e32b8f676c886ad86e9c429128d43b50151ae1521b5a67d72cde17b69b35b02321492334edae8b07b04d319f970aaaeeeee0f1cec8bee4088a2f4f409a5e91fdd8b428c3a8e3964b030adbc24543aa261af23ff0e448ccbacd04006993e6e19b81b6c3d3c25da15d364daca2759ec63f5a8c421c0d2595474b042bf1440f98364d0b6862cb5d1cab37becc5cd3bf315218a16ced986922109e8e997f9b03e27f500267c5afecdf24c1367fb828f0978ea638a1d7608fc9b72c2b5fc854341e5b0c5284d9143491722d03db90415d879ddccd82da86e43945c442509f5cff3662fa051cf341c9619433c451a260e05a3a417d2c53fbd2e9fd321dfb2c8de9d227638047868a9b048be97b44bbf2ef8fc4c631e7ffe4cb25c11e736399dd6a4bf8edf68e52870a81fabaa37b138e12f73e383f1ec393354f5582e6c296ec696c967bee4b9be3838f4ac45ca47d81b537669f36af4e48433e645b9ad383da9407b74825671d3f575f520a91a35c0ea2a6c59d0d4fbc13ebdf86926614941d75783fdabbc7d00a394c1ab339c10f27188f835c4597a878dda19d390fe71a735e024d3fa2a7473cd8aa31b468b3e2555bcc3db04d3d6cd7b21e5ae9aba1171e09b6e665ab0f086a5c5e2c4afc1d04ec53e43f2f30fe258e248b09afa5b8a956641e0af351afdfa74f56aef7bb456ed8c2d94f046f8ee8c7a251634000bfc9aff9585a385695bd624764830b12d77c012419821c296f2c32ab50948eb7364cf22f208eaa12760436117c7f49c3ecb5d48e56554495d634700c39b7e477e7d9420fb6f0bfd16610afcb3986a75c0c790b47ea4731f4d07cc03a2cde8cea3a86b2252d1b912f9e1cd7b21bac009d2cfb5815e51cd12a778278a62f8b3022473e92bfc6c70fc1423d6b9ef38fd3c406ac9ec863671fcb8a908fef42d74a02795c6db91667388408408b0e28a4a815d22d5e1e851d407f928b8f08927735b4d147c937f64df3742000ca791055a8954e17b5e4481172a7c81d2e00a4a93075ee6114858a324b9793c982aad0c3c87b028b6988b636ab5f3e4848c95ff53c903be172ba4229516b353ed5a6c61299bfb8e7b94687ff92da2ef64d2cfe90af6bdb2bb01f8026d5a1038361c41d7d976a4878aa79cdfc5c2cedfde86f5640c29a6248b50bf0515b618917", 0x907}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:30:25 executing program 1: 02:30:25 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000380)=ANY=[@ANYBLOB="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"]) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:30:25 executing program 3: [ 1403.252153][T14476] tipc: TX() has been purged, node left! [ 1403.436345][T25439] not chained 10000 origins [ 1403.441009][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1403.449690][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1403.459842][T25439] Call Trace: [ 1403.463340][T25439] dump_stack+0x21c/0x280 [ 1403.467726][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1403.473489][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1403.479758][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.484998][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1403.490827][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1403.496969][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1403.502467][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.507680][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.513060][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1403.518706][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1403.524933][T25439] ? _copy_from_user+0x201/0x310 [ 1403.529894][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.535101][T25439] __msan_chain_origin+0x57/0xa0 [ 1403.540050][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1403.545439][T25439] get_compat_msghdr+0x108/0x2b0 [ 1403.550399][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1403.554916][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.560133][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.565362][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1403.571320][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1403.576712][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1403.581487][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1403.586174][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1403.592088][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1403.597303][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1403.603486][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1403.610639][T25439] __do_fast_syscall_32+0x129/0x180 [ 1403.615859][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1403.620745][T25439] do_SYSENTER_32+0x73/0x90 [ 1403.625259][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1403.631776][T25439] RIP: 0023:0xf7f69549 [ 1403.635848][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1403.655633][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1403.664838][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1403.672826][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1403.681671][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1403.690436][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1403.698413][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1403.706643][T25439] Uninit was stored to memory at: [ 1403.712297][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1403.718016][T25439] __msan_chain_origin+0x57/0xa0 [ 1403.722954][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1403.728068][T25439] get_compat_msghdr+0x108/0x2b0 [ 1403.733006][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1403.737534][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1403.742213][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1403.748282][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1403.757311][T25439] __do_fast_syscall_32+0x129/0x180 [ 1403.764112][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1403.768968][T25439] do_SYSENTER_32+0x73/0x90 [ 1403.773484][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1403.780148][T25439] [ 1403.782504][T25439] Uninit was stored to memory at: [ 1403.787540][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1403.793261][T25439] __msan_chain_origin+0x57/0xa0 [ 1403.798202][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1403.803340][T25439] get_compat_msghdr+0x108/0x2b0 [ 1403.808641][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1403.813357][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1403.818052][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1403.824573][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1403.831174][T25439] __do_fast_syscall_32+0x129/0x180 [ 1403.837536][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1403.842767][T25439] do_SYSENTER_32+0x73/0x90 [ 1403.847299][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1403.853891][T25439] [ 1403.856320][T25439] Uninit was stored to memory at: [ 1403.861458][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1403.867561][T25439] __msan_chain_origin+0x57/0xa0 [ 1403.873024][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1403.878228][T25439] get_compat_msghdr+0x108/0x2b0 [ 1403.883174][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1403.888697][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1403.893389][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1403.900245][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1403.906425][T25439] __do_fast_syscall_32+0x129/0x180 [ 1403.911728][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1403.917366][T25439] do_SYSENTER_32+0x73/0x90 [ 1403.921873][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1403.928189][T25439] [ 1403.930535][T25439] Uninit was stored to memory at: [ 1403.935563][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1403.941640][T25439] __msan_chain_origin+0x57/0xa0 [ 1403.946587][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1403.951704][T25439] get_compat_msghdr+0x108/0x2b0 [ 1403.956916][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1403.961434][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1403.966120][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1403.973111][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1403.979378][T25439] __do_fast_syscall_32+0x129/0x180 [ 1403.984589][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1403.989474][T25439] do_SYSENTER_32+0x73/0x90 [ 1403.993998][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1404.002589][T25439] [ 1404.004912][T25439] Uninit was stored to memory at: [ 1404.010127][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1404.017008][T25439] __msan_chain_origin+0x57/0xa0 [ 1404.022065][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1404.027282][T25439] get_compat_msghdr+0x108/0x2b0 [ 1404.032315][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1404.036820][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1404.041506][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1404.047593][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1404.053771][T25439] __do_fast_syscall_32+0x129/0x180 [ 1404.059682][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1404.064545][T25439] do_SYSENTER_32+0x73/0x90 [ 1404.069232][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1404.075806][T25439] [ 1404.078134][T25439] Uninit was stored to memory at: [ 1404.083167][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1404.088894][T25439] __msan_chain_origin+0x57/0xa0 [ 1404.093840][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1404.098956][T25439] get_compat_msghdr+0x108/0x2b0 [ 1404.103897][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1404.108406][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1404.113089][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1404.119187][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1404.125354][T25439] __do_fast_syscall_32+0x129/0x180 [ 1404.130574][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1404.135433][T25439] do_SYSENTER_32+0x73/0x90 [ 1404.139958][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1404.146273][T25439] [ 1404.148593][T25439] Uninit was stored to memory at: [ 1404.153641][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1404.159387][T25439] __msan_chain_origin+0x57/0xa0 [ 1404.164329][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1404.169450][T25439] get_compat_msghdr+0x108/0x2b0 [ 1404.174386][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1404.178896][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1404.183573][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1404.189643][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1404.195813][T25439] __do_fast_syscall_32+0x129/0x180 [ 1404.201016][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1404.205867][T25439] do_SYSENTER_32+0x73/0x90 [ 1404.210380][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1404.216712][T25439] [ 1404.219041][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1404.225715][T25439] do_recvmmsg+0xc2/0x22e0 [ 1404.230129][T25439] do_recvmmsg+0xc2/0x22e0 [ 1405.353549][T25438] not chained 20000 origins [ 1405.358103][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1405.366788][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1405.379284][T25438] Call Trace: [ 1405.382598][T25438] dump_stack+0x21c/0x280 [ 1405.386952][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1405.392690][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1405.398775][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.403984][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1405.409800][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1405.415873][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1405.421260][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.426518][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.431729][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1405.437375][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1405.443467][T25438] ? _copy_from_user+0x201/0x310 [ 1405.448423][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.453675][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.458630][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.463756][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.468703][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.473222][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.478453][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.483753][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1405.489497][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1405.498012][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1405.502793][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.507512][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1405.513338][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1405.518551][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.524635][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.530801][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.536023][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.540911][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.545539][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.551955][T25438] RIP: 0023:0xf7f69549 [ 1405.556048][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1405.575768][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1405.584196][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1405.592180][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1405.600278][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1405.608361][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1405.616345][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1405.624425][T25438] Uninit was stored to memory at: [ 1405.629482][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.635221][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.640169][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.645290][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.650322][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.654942][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.659906][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.666012][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.672185][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.677398][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.682354][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.686877][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.693195][T25438] [ 1405.695523][T25438] Uninit was stored to memory at: [ 1405.700557][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.706293][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.711240][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.716373][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.721752][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.726551][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.731241][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.737322][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.743488][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.748690][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.753543][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.758075][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.765179][T25438] [ 1405.767502][T25438] Uninit was stored to memory at: [ 1405.776983][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.782708][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.787657][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.792781][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.797720][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.802224][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.806908][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.812984][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.819148][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.824357][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.829222][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.833738][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.840052][T25438] [ 1405.842372][T25438] Uninit was stored to memory at: [ 1405.847401][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.853154][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.858186][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.863301][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.868236][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.872739][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.877418][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.883489][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.889669][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.894894][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.899747][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.904256][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.910571][T25438] [ 1405.912895][T25438] Uninit was stored to memory at: [ 1405.917931][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.923661][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.929043][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1405.934170][T25438] get_compat_msghdr+0x108/0x2b0 [ 1405.939110][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1405.943626][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1405.948313][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1405.954387][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1405.960559][T25438] __do_fast_syscall_32+0x129/0x180 [ 1405.965766][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1405.970622][T25438] do_SYSENTER_32+0x73/0x90 [ 1405.975131][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1405.981446][T25438] [ 1405.983772][T25438] Uninit was stored to memory at: [ 1405.988811][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1405.994549][T25438] __msan_chain_origin+0x57/0xa0 [ 1405.999524][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1406.004730][T25438] get_compat_msghdr+0x108/0x2b0 [ 1406.009694][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1406.014200][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1406.018920][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1406.024999][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1406.031163][T25438] __do_fast_syscall_32+0x129/0x180 [ 1406.036368][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1406.041236][T25438] do_SYSENTER_32+0x73/0x90 [ 1406.045755][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1406.052330][T25438] [ 1406.054651][T25438] Uninit was stored to memory at: [ 1406.059709][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1406.065619][T25438] __msan_chain_origin+0x57/0xa0 [ 1406.070564][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1406.075678][T25438] get_compat_msghdr+0x108/0x2b0 [ 1406.080705][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1406.085207][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1406.089909][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1406.095987][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1406.102172][T25438] __do_fast_syscall_32+0x129/0x180 [ 1406.107387][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1406.112252][T25438] do_SYSENTER_32+0x73/0x90 [ 1406.117027][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1406.123342][T25438] [ 1406.125675][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1406.132374][T25438] do_recvmmsg+0xc2/0x22e0 [ 1406.136809][T25438] do_recvmmsg+0xc2/0x22e0 [ 1408.285442][T25438] not chained 30000 origins [ 1408.290002][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1408.298760][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1408.308852][T25438] Call Trace: [ 1408.312163][T25438] dump_stack+0x21c/0x280 [ 1408.316518][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1408.322251][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1408.328331][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.333548][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1408.339366][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1408.345444][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1408.350834][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.356044][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.361250][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1408.366902][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1408.372988][T25438] ? _copy_from_user+0x201/0x310 [ 1408.377942][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.383170][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.388148][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.393451][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.398395][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.402927][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.408169][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.413383][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1408.419034][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1408.424333][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1408.429132][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.433822][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1408.439642][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1408.445559][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.451699][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.457891][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.463227][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.468113][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.472649][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.478999][T25438] RIP: 0023:0xf7f69549 [ 1408.483084][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1408.502791][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1408.511225][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1408.519215][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1408.527201][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1408.535189][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1408.543185][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1408.551183][T25438] Uninit was stored to memory at: [ 1408.556333][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.562064][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.567013][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.572134][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.577082][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.581594][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.586282][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.592364][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.598532][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.603738][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.608595][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.613117][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.619427][T25438] [ 1408.621748][T25438] Uninit was stored to memory at: [ 1408.626793][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.632605][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.637547][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.642762][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.647884][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.652413][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.657116][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.663188][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.669868][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.675094][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.681204][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.685737][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.692064][T25438] [ 1408.694389][T25438] Uninit was stored to memory at: [ 1408.699422][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.705175][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.710133][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.715601][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.720536][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.725033][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.729711][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.735789][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.741984][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.747199][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.752342][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.757031][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.763361][T25438] [ 1408.765684][T25438] Uninit was stored to memory at: [ 1408.770718][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.776446][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.781394][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.786516][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.791726][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.796259][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.800945][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.807188][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.813352][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.818554][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.823405][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.827913][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.834379][T25438] [ 1408.836713][T25438] Uninit was stored to memory at: [ 1408.841747][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.847505][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.852447][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.857558][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.862494][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.866995][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.871696][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.877781][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.883956][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.889160][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.894011][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.898520][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.904838][T25438] [ 1408.907179][T25438] Uninit was stored to memory at: [ 1408.912228][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.917952][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.922893][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1408.928007][T25438] get_compat_msghdr+0x108/0x2b0 [ 1408.932957][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1408.937473][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1408.942176][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1408.948272][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1408.954444][T25438] __do_fast_syscall_32+0x129/0x180 [ 1408.959669][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1408.964523][T25438] do_SYSENTER_32+0x73/0x90 [ 1408.969038][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1408.975444][T25438] [ 1408.977800][T25438] Uninit was stored to memory at: [ 1408.984069][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1408.989923][T25438] __msan_chain_origin+0x57/0xa0 [ 1408.994908][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1409.000036][T25438] get_compat_msghdr+0x108/0x2b0 [ 1409.005005][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1409.009517][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1409.014233][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1409.020324][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1409.026524][T25438] __do_fast_syscall_32+0x129/0x180 [ 1409.031744][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1409.036612][T25438] do_SYSENTER_32+0x73/0x90 [ 1409.042528][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1409.048847][T25438] [ 1409.051172][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1409.057943][T25438] do_recvmmsg+0xc2/0x22e0 [ 1409.062820][T25438] do_recvmmsg+0xc2/0x22e0 [ 1409.844810][T25439] not chained 40000 origins [ 1409.849364][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1409.858035][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1409.868146][T25439] Call Trace: [ 1409.871448][T25439] dump_stack+0x21c/0x280 [ 1409.875800][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1409.881559][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1409.887646][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.892852][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1409.898763][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1409.904860][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1409.910241][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.915450][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.920664][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1409.926338][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1409.932427][T25439] ? _copy_from_user+0x201/0x310 [ 1409.937399][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.942621][T25439] __msan_chain_origin+0x57/0xa0 [ 1409.947588][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1409.952728][T25439] get_compat_msghdr+0x108/0x2b0 [ 1409.957886][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1409.963063][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.968549][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1409.973786][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1409.979437][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1409.985256][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1409.990030][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1409.994724][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1410.000582][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1410.005829][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.012705][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.018880][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.024109][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.028978][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.033501][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.039855][T25439] RIP: 0023:0xf7f69549 [ 1410.044194][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1410.063808][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1410.072851][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1410.080863][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1410.088844][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1410.096854][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1410.104869][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1410.112873][T25439] Uninit was stored to memory at: [ 1410.118210][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.123948][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.128903][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.134022][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.138968][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.143472][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.148154][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.154229][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.160392][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.165705][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.170689][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.175203][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.181528][T25439] [ 1410.183855][T25439] Uninit was stored to memory at: [ 1410.190585][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.196315][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.201356][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.206482][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.211424][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.215935][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.220623][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.226700][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.232867][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.238422][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.243286][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.247796][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.254200][T25439] [ 1410.256523][T25439] Uninit was stored to memory at: [ 1410.261560][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.267310][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.272258][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.277376][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.282416][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.286919][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.291619][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.297789][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.303966][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.309185][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.314052][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.318767][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.325092][T25439] [ 1410.327422][T25439] Uninit was stored to memory at: [ 1410.332463][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.338191][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.343171][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.348293][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.353234][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.357740][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.362425][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.368503][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.374669][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.379874][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.384741][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.389255][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.395662][T25439] [ 1410.397989][T25439] Uninit was stored to memory at: [ 1410.403046][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.408776][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.413743][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.418953][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.423997][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.428540][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.433228][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.439307][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.445478][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.450781][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.455641][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.460176][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.466604][T25439] [ 1410.469066][T25439] Uninit was stored to memory at: [ 1410.474197][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.479950][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.484922][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.490302][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.495340][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.499844][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.504532][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.510742][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.516938][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.522149][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.527107][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.531625][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.537943][T25439] [ 1410.540273][T25439] Uninit was stored to memory at: [ 1410.545394][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1410.551121][T25439] __msan_chain_origin+0x57/0xa0 [ 1410.556064][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1410.561185][T25439] get_compat_msghdr+0x108/0x2b0 [ 1410.566129][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1410.570634][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1410.575328][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1410.581401][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1410.587563][T25439] __do_fast_syscall_32+0x129/0x180 [ 1410.592786][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1410.597653][T25439] do_SYSENTER_32+0x73/0x90 [ 1410.602166][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1410.608482][T25439] [ 1410.610807][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1410.617488][T25439] do_recvmmsg+0xc2/0x22e0 [ 1410.621906][T25439] do_recvmmsg+0xc2/0x22e0 [ 1411.124449][T25439] not chained 50000 origins [ 1411.129011][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1411.137805][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1411.147868][T25439] Call Trace: [ 1411.151196][T25439] dump_stack+0x21c/0x280 [ 1411.155539][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1411.161265][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1411.167340][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.172553][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1411.178402][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1411.184483][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1411.189877][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.195082][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.200289][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1411.205931][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1411.212027][T25439] ? _copy_from_user+0x201/0x310 [ 1411.216976][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.222189][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.227138][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.232264][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.237234][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.241752][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.247063][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.252272][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1411.257917][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1411.263209][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1411.267977][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.272669][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1411.278492][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1411.283702][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.289782][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.295951][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.301168][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.306065][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.310588][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.316920][T25439] RIP: 0023:0xf7f69549 [ 1411.320997][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1411.340608][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1411.349030][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1411.357007][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1411.364996][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1411.372975][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1411.380950][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1411.389012][T25439] Uninit was stored to memory at: [ 1411.394064][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.399793][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.404740][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.409884][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.414826][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.419335][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.424017][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.430102][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.436275][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.441480][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.446353][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.450868][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.457190][T25439] [ 1411.459525][T25439] Uninit was stored to memory at: [ 1411.464562][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.470313][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.475264][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.480380][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.485326][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.489832][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.494516][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.500591][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.506756][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.511965][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.516820][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.521328][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.527646][T25439] [ 1411.529970][T25439] Uninit was stored to memory at: [ 1411.535003][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.540826][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.545774][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.550890][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.555832][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.560425][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.565106][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.571183][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.577438][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.582999][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.587858][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.592366][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.598695][T25439] [ 1411.601019][T25439] Uninit was stored to memory at: [ 1411.606056][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.611791][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.616735][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.621878][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.626983][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.631520][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.636236][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.642417][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.648584][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.653787][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.658646][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.663157][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.669470][T25439] [ 1411.671794][T25439] Uninit was stored to memory at: [ 1411.676826][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.682579][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.687607][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.692726][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.697671][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.702198][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.706886][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.712955][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.719134][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.724337][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.729198][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.733733][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.740053][T25439] [ 1411.742376][T25439] Uninit was stored to memory at: [ 1411.747440][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.753179][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.758125][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.763244][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.768185][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.772688][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.777373][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.783482][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.789739][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.794953][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.799810][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.804327][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.810644][T25439] [ 1411.812964][T25439] Uninit was stored to memory at: [ 1411.818110][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1411.823838][T25439] __msan_chain_origin+0x57/0xa0 [ 1411.828791][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1411.833939][T25439] get_compat_msghdr+0x108/0x2b0 [ 1411.838885][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1411.843414][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1411.849408][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1411.855485][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1411.861647][T25439] __do_fast_syscall_32+0x129/0x180 [ 1411.866878][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1411.871736][T25439] do_SYSENTER_32+0x73/0x90 [ 1411.876259][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1411.882576][T25439] [ 1411.884900][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1411.891574][T25439] do_recvmmsg+0xc2/0x22e0 [ 1411.895992][T25439] do_recvmmsg+0xc2/0x22e0 [ 1412.083014][T25438] not chained 60000 origins [ 1412.087562][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1412.096231][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1412.106307][T25438] Call Trace: [ 1412.109606][T25438] dump_stack+0x21c/0x280 [ 1412.113946][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1412.119679][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1412.125759][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.130969][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1412.136809][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1412.142881][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1412.148261][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.153474][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.158678][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1412.164325][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1412.170398][T25438] ? _copy_from_user+0x201/0x310 [ 1412.175363][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.180575][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.185522][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.191262][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.196215][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.201818][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.207042][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.212251][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1412.217900][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1412.223188][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1412.227954][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.232643][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1412.238460][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1412.243673][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.249752][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.255917][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.261126][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.265986][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.270535][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.276872][T25438] RIP: 0023:0xf7f69549 [ 1412.280949][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1412.300590][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1412.309015][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1412.316995][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1412.324982][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1412.332962][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1412.341062][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1412.349131][T25438] Uninit was stored to memory at: [ 1412.354195][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.359964][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.364919][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.370056][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.375030][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.379542][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.384255][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.390342][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.396539][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.401772][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.406634][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.411156][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.417501][T25438] [ 1412.419828][T25438] Uninit was stored to memory at: [ 1412.424962][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.430697][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.435648][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.441296][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.446261][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.450766][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.455473][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.461575][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.468201][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.473409][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.478269][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.482783][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.489097][T25438] [ 1412.491421][T25438] Uninit was stored to memory at: [ 1412.496454][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.502184][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.507130][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.512247][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.517202][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.521710][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.526396][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.532469][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.538632][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.543840][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.548699][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.553209][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.559613][T25438] [ 1412.561956][T25438] Uninit was stored to memory at: [ 1412.566995][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.572759][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.577708][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.582866][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.587827][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.592335][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.597031][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.603123][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.609320][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.614538][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.619512][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.624066][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.630381][T25438] [ 1412.632705][T25438] Uninit was stored to memory at: [ 1412.637744][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.643474][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.648421][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.653589][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.658556][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.663064][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.667756][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.673836][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.680002][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.685212][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.690078][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.694612][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.700968][T25438] [ 1412.703299][T25438] Uninit was stored to memory at: [ 1412.708340][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.714070][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.719019][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.724138][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.729081][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.733590][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.738481][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.744569][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.750760][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.755970][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.760845][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.765356][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.771673][T25438] [ 1412.774001][T25438] Uninit was stored to memory at: [ 1412.779043][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1412.784783][T25438] __msan_chain_origin+0x57/0xa0 [ 1412.789747][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1412.794877][T25438] get_compat_msghdr+0x108/0x2b0 [ 1412.799828][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1412.806842][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1412.811542][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1412.817754][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1412.823929][T25438] __do_fast_syscall_32+0x129/0x180 [ 1412.829155][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1412.834023][T25438] do_SYSENTER_32+0x73/0x90 [ 1412.839500][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1412.845823][T25438] [ 1412.848159][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1412.854840][T25438] do_recvmmsg+0xc2/0x22e0 [ 1412.859263][T25438] do_recvmmsg+0xc2/0x22e0 [ 1412.947080][T25471] IPVS: ftp: loaded support on port[0] = 21 [ 1413.129505][T25438] not chained 70000 origins [ 1413.134060][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1413.142739][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1413.152804][T25438] Call Trace: [ 1413.156149][T25438] dump_stack+0x21c/0x280 [ 1413.160528][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1413.166268][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1413.172351][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.177562][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1413.183383][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1413.189457][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1413.194858][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.200061][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.205259][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1413.210899][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1413.216978][T25438] ? _copy_from_user+0x201/0x310 [ 1413.221951][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.227173][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.232129][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.237252][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.242196][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.246708][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.251919][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.257137][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1413.262774][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1413.268069][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1413.272837][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.277526][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1413.283369][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1413.288583][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.294674][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.300843][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.306503][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.311377][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.315903][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.322259][T25438] RIP: 0023:0xf7f69549 [ 1413.326332][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1413.345958][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1413.354407][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1413.362396][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1413.370389][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1413.378365][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1413.386338][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1413.394414][T25438] Uninit was stored to memory at: [ 1413.399449][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.405173][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.410127][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.415323][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.420261][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.424765][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.429540][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.435620][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.441804][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.447009][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.451860][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.456364][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.462677][T25438] [ 1413.465096][T25438] Uninit was stored to memory at: [ 1413.470238][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.475969][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.481006][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.486158][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.491106][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.496325][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.501011][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.507088][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.513256][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.518741][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.524746][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.529261][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.535573][T25438] [ 1413.537900][T25438] Uninit was stored to memory at: [ 1413.542938][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.548666][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.553603][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.558800][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.563734][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.568234][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.572913][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.578993][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.585147][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.590369][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.595217][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.599718][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.606025][T25438] [ 1413.608695][T25438] Uninit was stored to memory at: [ 1413.613723][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.619444][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.624390][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.629504][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.634442][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.638948][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.643628][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.649717][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.655891][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.661104][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.665957][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.670462][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.676775][T25438] [ 1413.679094][T25438] Uninit was stored to memory at: [ 1413.684122][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.689840][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.694777][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.699886][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.704833][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.709347][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.714024][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.720092][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.726250][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.731455][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.736928][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.741444][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.747755][T25438] [ 1413.750072][T25438] Uninit was stored to memory at: [ 1413.755102][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.760827][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.765808][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.770929][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.775873][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.780396][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.785075][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.791146][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.797328][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.802569][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.807433][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.811966][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.818284][T25438] [ 1413.820607][T25438] Uninit was stored to memory at: [ 1413.825658][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1413.831383][T25438] __msan_chain_origin+0x57/0xa0 [ 1413.836324][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1413.841437][T25438] get_compat_msghdr+0x108/0x2b0 [ 1413.846378][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1413.851055][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1413.855762][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1413.861846][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1413.868033][T25438] __do_fast_syscall_32+0x129/0x180 [ 1413.873242][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1413.878104][T25438] do_SYSENTER_32+0x73/0x90 [ 1413.882612][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1413.888927][T25438] [ 1413.891249][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1413.897929][T25438] do_recvmmsg+0xc2/0x22e0 [ 1413.902343][T25438] do_recvmmsg+0xc2/0x22e0 [ 1414.057885][ T3800] Bluetooth: hci0: command 0x0409 tx timeout [ 1415.245505][T14476] device hsr_slave_0 left promiscuous mode [ 1415.253754][T14476] device hsr_slave_1 left promiscuous mode [ 1415.284046][T14476] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1415.291847][T14476] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1415.323667][T14476] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1415.331430][T14476] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1415.412981][T14476] device bridge_slave_1 left promiscuous mode [ 1415.420021][T14476] bridge0: port 2(bridge_slave_1) entered disabled state [ 1415.482355][T14476] device bridge_slave_0 left promiscuous mode [ 1415.489453][T14476] bridge0: port 1(bridge_slave_0) entered disabled state [ 1415.551178][T25439] not chained 80000 origins [ 1415.555730][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1415.564400][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1415.574482][T25439] Call Trace: [ 1415.577792][T25439] dump_stack+0x21c/0x280 [ 1415.582132][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1415.587888][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1415.594040][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.599286][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1415.605120][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1415.611227][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1415.616955][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.622171][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.627385][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1415.633069][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1415.639153][T25439] ? _copy_from_user+0x201/0x310 [ 1415.644104][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.649311][T25439] __msan_chain_origin+0x57/0xa0 [ 1415.654258][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1415.659384][T25439] get_compat_msghdr+0x108/0x2b0 [ 1415.664332][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1415.668852][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.674088][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.679314][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1415.684951][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1415.690247][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1415.695020][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1415.699713][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1415.705526][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1415.710734][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1415.716835][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1415.723024][T25439] __do_fast_syscall_32+0x129/0x180 [ 1415.728236][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1415.733117][T25439] do_SYSENTER_32+0x73/0x90 [ 1415.737668][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1415.744010][T25439] RIP: 0023:0xf7f69549 [ 1415.748089][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1415.768139][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1415.776653][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1415.784685][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1415.793107][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1415.801092][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1415.809102][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1415.817088][T25439] Uninit was stored to memory at: [ 1415.822146][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1415.827880][T25439] __msan_chain_origin+0x57/0xa0 [ 1415.832825][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1415.837946][T25439] get_compat_msghdr+0x108/0x2b0 [ 1415.842902][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1415.847431][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1415.852136][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1415.858740][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1415.864906][T25439] __do_fast_syscall_32+0x129/0x180 [ 1415.870115][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1415.875150][T25439] do_SYSENTER_32+0x73/0x90 [ 1415.879693][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1415.886007][T25439] [ 1415.888329][T25439] Uninit was stored to memory at: [ 1415.893385][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1415.899123][T25439] __msan_chain_origin+0x57/0xa0 [ 1415.904939][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1415.910060][T25439] get_compat_msghdr+0x108/0x2b0 [ 1415.915004][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1415.919515][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1415.924202][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1415.930274][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1415.936444][T25439] __do_fast_syscall_32+0x129/0x180 [ 1415.941659][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1415.946524][T25439] do_SYSENTER_32+0x73/0x90 [ 1415.951045][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1415.957364][T25439] [ 1415.959690][T25439] Uninit was stored to memory at: [ 1415.964725][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1415.970449][T25439] __msan_chain_origin+0x57/0xa0 [ 1415.975535][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1415.980653][T25439] get_compat_msghdr+0x108/0x2b0 [ 1415.985599][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1415.990128][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1415.994812][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.000885][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.007049][T25439] __do_fast_syscall_32+0x129/0x180 [ 1416.012273][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1416.017127][T25439] do_SYSENTER_32+0x73/0x90 [ 1416.021666][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.027986][T25439] [ 1416.030317][T25439] Uninit was stored to memory at: [ 1416.035349][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1416.041076][T25439] __msan_chain_origin+0x57/0xa0 [ 1416.046080][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1416.051195][T25439] get_compat_msghdr+0x108/0x2b0 [ 1416.056139][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1416.061617][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1416.067604][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.073681][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.079842][T25439] __do_fast_syscall_32+0x129/0x180 [ 1416.085046][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1416.089903][T25439] do_SYSENTER_32+0x73/0x90 [ 1416.094411][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.100727][T25439] [ 1416.103059][T25439] Uninit was stored to memory at: [ 1416.108092][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1416.113930][T25439] __msan_chain_origin+0x57/0xa0 [ 1416.118877][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1416.124611][T25439] get_compat_msghdr+0x108/0x2b0 [ 1416.129552][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1416.134144][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1416.138454][ T9787] Bluetooth: hci0: command 0x041b tx timeout [ 1416.138870][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.151042][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.157358][T25439] __do_fast_syscall_32+0x129/0x180 [ 1416.162561][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1416.167478][T25439] do_SYSENTER_32+0x73/0x90 [ 1416.171994][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.178328][T25439] [ 1416.180651][T25439] Uninit was stored to memory at: [ 1416.185691][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1416.191419][T25439] __msan_chain_origin+0x57/0xa0 [ 1416.196363][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1416.201475][T25439] get_compat_msghdr+0x108/0x2b0 [ 1416.206416][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1416.210931][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1416.215706][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.221790][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.227956][T25439] __do_fast_syscall_32+0x129/0x180 [ 1416.233166][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1416.238027][T25439] do_SYSENTER_32+0x73/0x90 [ 1416.242538][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.248853][T25439] [ 1416.251173][T25439] Uninit was stored to memory at: [ 1416.257335][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1416.263144][T25439] __msan_chain_origin+0x57/0xa0 [ 1416.268087][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1416.273250][T25439] get_compat_msghdr+0x108/0x2b0 [ 1416.278191][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1416.284436][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1416.289127][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.295201][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.301367][T25439] __do_fast_syscall_32+0x129/0x180 [ 1416.306571][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1416.311429][T25439] do_SYSENTER_32+0x73/0x90 [ 1416.315952][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.322881][T25439] [ 1416.325212][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1416.331892][T25439] do_recvmmsg+0xc2/0x22e0 [ 1416.336315][T25439] do_recvmmsg+0xc2/0x22e0 [ 1416.351718][T14476] device veth1_macvtap left promiscuous mode [ 1416.358393][T14476] device veth0_macvtap left promiscuous mode [ 1416.367089][T14476] device veth1_vlan left promiscuous mode [ 1416.373134][T14476] device veth0_vlan left promiscuous mode [ 1416.755215][T25438] not chained 90000 origins [ 1416.759761][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1416.768526][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1416.778581][T25438] Call Trace: [ 1416.781882][T25438] dump_stack+0x21c/0x280 [ 1416.786319][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1416.792081][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1416.798156][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.803386][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1416.809201][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1416.815273][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1416.820653][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.825855][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1416.831494][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1416.837619][T25438] ? _copy_from_user+0x201/0x310 [ 1416.842570][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.847777][T25438] __msan_chain_origin+0x57/0xa0 [ 1416.852726][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1416.857846][T25438] get_compat_msghdr+0x108/0x2b0 [ 1416.862792][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1416.867307][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.872518][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.877723][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1416.883360][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1416.888648][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1416.893423][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1416.898110][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1416.903929][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1416.909139][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1416.915214][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1416.921404][T25438] __do_fast_syscall_32+0x129/0x180 [ 1416.927247][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1416.932117][T25438] do_SYSENTER_32+0x73/0x90 [ 1416.937306][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1416.943908][T25438] RIP: 0023:0xf7f69549 [ 1416.948089][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1416.968055][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1416.976703][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1416.984687][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1416.992690][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1417.000782][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1417.008865][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1417.016858][T25438] Uninit was stored to memory at: [ 1417.021936][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.027666][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.033146][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.038258][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.043203][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.048673][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.053403][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.059587][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.065749][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.071122][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.076243][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.080894][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.087235][T25438] [ 1417.089559][T25438] Uninit was stored to memory at: [ 1417.094679][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.101641][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.107651][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.112772][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.118390][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.123168][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.127874][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.134114][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.140892][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.146204][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.151066][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.155985][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.163109][T25438] [ 1417.165564][T25438] Uninit was stored to memory at: [ 1417.171053][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.177156][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.182821][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.188732][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.193710][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.198323][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.203008][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.209194][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.215415][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.220706][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.226002][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.231243][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.238011][T25438] [ 1417.240676][T25438] Uninit was stored to memory at: [ 1417.245893][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.251648][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.256703][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.261918][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.266856][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.271392][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.276076][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.282155][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.288318][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.293521][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.298375][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.302913][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.309326][T25438] [ 1417.311646][T25438] Uninit was stored to memory at: [ 1417.316681][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.322410][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.327355][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.332471][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.337432][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.341936][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.346641][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.352729][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.358887][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.364095][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.368954][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.373473][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.379807][T25438] [ 1417.382135][T25438] Uninit was stored to memory at: [ 1417.387444][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.393227][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.398184][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.403343][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.408293][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.412804][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.417518][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.423694][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.429988][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.435210][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.440069][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.444587][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.451431][T25438] [ 1417.453755][T25438] Uninit was stored to memory at: [ 1417.458797][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1417.464650][T25438] __msan_chain_origin+0x57/0xa0 [ 1417.469640][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1417.474762][T25438] get_compat_msghdr+0x108/0x2b0 [ 1417.479704][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1417.484221][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1417.488935][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1417.495012][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1417.501697][T25438] __do_fast_syscall_32+0x129/0x180 [ 1417.506903][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1417.511758][T25438] do_SYSENTER_32+0x73/0x90 [ 1417.516290][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1417.522618][T25438] [ 1417.524942][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1417.531624][T25438] do_recvmmsg+0xc2/0x22e0 [ 1417.536041][T25438] do_recvmmsg+0xc2/0x22e0 [ 1418.217745][ T9787] Bluetooth: hci0: command 0x040f tx timeout [ 1418.646016][T25439] not chained 100000 origins [ 1418.650683][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1418.659375][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1418.669870][T25439] Call Trace: [ 1418.673172][T25439] dump_stack+0x21c/0x280 [ 1418.677510][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1418.683246][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1418.689421][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.694642][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1418.700454][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1418.706518][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1418.711893][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.717128][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.722338][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1418.728002][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1418.734092][T25439] ? _copy_from_user+0x201/0x310 [ 1418.739036][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.744258][T25439] __msan_chain_origin+0x57/0xa0 [ 1418.749204][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1418.754327][T25439] get_compat_msghdr+0x108/0x2b0 [ 1418.759356][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1418.763879][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.769099][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.774310][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1418.780041][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1418.785338][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1418.790119][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1418.794815][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1418.800635][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1418.805891][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1418.811995][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1418.818169][T25439] __do_fast_syscall_32+0x129/0x180 [ 1418.823385][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1418.828252][T25439] do_SYSENTER_32+0x73/0x90 [ 1418.832771][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1418.839112][T25439] RIP: 0023:0xf7f69549 [ 1418.843194][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1418.862809][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1418.871248][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1418.879525][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1418.887510][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1418.895508][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1418.903486][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1418.911466][T25439] Uninit was stored to memory at: [ 1418.916541][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1418.922272][T25439] __msan_chain_origin+0x57/0xa0 [ 1418.927222][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1418.932344][T25439] get_compat_msghdr+0x108/0x2b0 [ 1418.937294][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1418.941809][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1418.946503][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1418.952589][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1418.958784][T25439] __do_fast_syscall_32+0x129/0x180 [ 1418.964013][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1418.968871][T25439] do_SYSENTER_32+0x73/0x90 [ 1418.973494][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1418.979812][T25439] [ 1418.982137][T25439] Uninit was stored to memory at: [ 1418.987435][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1418.993182][T25439] __msan_chain_origin+0x57/0xa0 [ 1418.998139][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.003266][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.008638][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.013141][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.017843][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.023920][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.030081][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.035284][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.040142][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.044667][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.050986][T25439] [ 1419.053311][T25439] Uninit was stored to memory at: [ 1419.058556][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1419.064648][T25439] __msan_chain_origin+0x57/0xa0 [ 1419.069602][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.074813][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.079780][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.084289][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.088992][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.095064][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.101222][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.106444][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.111303][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.115822][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.122141][T25439] [ 1419.124464][T25439] Uninit was stored to memory at: [ 1419.129504][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1419.135237][T25439] __msan_chain_origin+0x57/0xa0 [ 1419.140184][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.145307][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.150248][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.154757][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.159444][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.165523][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.171687][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.176896][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.181754][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.186266][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.192580][T25439] [ 1419.195476][T25439] Uninit was stored to memory at: [ 1419.200510][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1419.206236][T25439] __msan_chain_origin+0x57/0xa0 [ 1419.211179][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.216291][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.223056][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.227576][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.232261][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.238333][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.244495][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.249699][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.254556][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.259104][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.265419][T25439] [ 1419.267739][T25439] Uninit was stored to memory at: [ 1419.272771][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1419.278491][T25439] __msan_chain_origin+0x57/0xa0 [ 1419.284388][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.289531][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.294471][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.298988][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.303669][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.310103][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.316275][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.321507][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.326363][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.327411][T25438] not chained 110000 origins [ 1419.330878][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.335461][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1419.341754][T25439] [ 1419.350413][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1419.352724][T25439] Uninit was stored to memory at: [ 1419.362764][T25438] Call Trace: [ 1419.367794][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1419.371152][T25438] dump_stack+0x21c/0x280 [ 1419.377048][T25439] __msan_chain_origin+0x57/0xa0 [ 1419.381354][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1419.388099][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1419.393801][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1419.398892][T25439] get_compat_msghdr+0x108/0x2b0 [ 1419.405826][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.410750][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1419.415936][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1419.420501][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1419.426302][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1419.431052][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.437096][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1419.443232][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.448584][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.457168][T25439] __do_fast_syscall_32+0x129/0x180 [ 1419.462355][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.467532][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1419.472717][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1419.477648][T25439] do_SYSENTER_32+0x73/0x90 [ 1419.483363][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1419.487846][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.493888][T25438] ? _copy_from_user+0x201/0x310 [ 1419.500186][T25439] [ 1419.505121][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.507411][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1419.512604][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.519281][T25439] do_recvmmsg+0xc2/0x22e0 [ 1419.524190][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.528585][T25439] do_recvmmsg+0xc2/0x22e0 [ 1419.533677][T25438] get_compat_msghdr+0x108/0x2b0 [ 1419.542985][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1419.547525][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.552739][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.557945][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1419.563584][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1419.568873][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1419.573648][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1419.578351][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1419.584172][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1419.589408][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.595519][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.601702][T25438] __do_fast_syscall_32+0x129/0x180 [ 1419.606912][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1419.611778][T25438] do_SYSENTER_32+0x73/0x90 [ 1419.616384][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.622723][T25438] RIP: 0023:0xf7f69549 [ 1419.626832][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1419.646554][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1419.654976][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1419.662951][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1419.670927][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1419.678899][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1419.686872][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1419.694844][T25438] Uninit was stored to memory at: [ 1419.699880][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1419.705600][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.710568][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.715682][T25438] get_compat_msghdr+0x108/0x2b0 [ 1419.720624][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1419.725129][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1419.729809][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.735886][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.742047][T25438] __do_fast_syscall_32+0x129/0x180 [ 1419.747249][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1419.752104][T25438] do_SYSENTER_32+0x73/0x90 [ 1419.756612][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.762929][T25438] [ 1419.765336][T25438] Uninit was stored to memory at: [ 1419.770369][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1419.776093][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.781036][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.786149][T25438] get_compat_msghdr+0x108/0x2b0 [ 1419.791088][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1419.795590][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1419.800271][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.806376][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.812549][T25438] __do_fast_syscall_32+0x129/0x180 [ 1419.817776][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1419.822638][T25438] do_SYSENTER_32+0x73/0x90 [ 1419.827169][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.833486][T25438] [ 1419.835900][T25438] Uninit was stored to memory at: [ 1419.840944][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1419.846675][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.851675][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.856814][T25438] get_compat_msghdr+0x108/0x2b0 [ 1419.861929][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1419.866429][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1419.871113][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.877193][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.883358][T25438] __do_fast_syscall_32+0x129/0x180 [ 1419.888594][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1419.893449][T25438] do_SYSENTER_32+0x73/0x90 [ 1419.898568][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.904881][T25438] [ 1419.907204][T25438] Uninit was stored to memory at: [ 1419.912236][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1419.917961][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.922927][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.928063][T25438] get_compat_msghdr+0x108/0x2b0 [ 1419.933002][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1419.937502][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1419.942183][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1419.948260][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1419.954432][T25438] __do_fast_syscall_32+0x129/0x180 [ 1419.959636][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1419.964493][T25438] do_SYSENTER_32+0x73/0x90 [ 1419.969007][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1419.975319][T25438] [ 1419.977657][T25438] Uninit was stored to memory at: [ 1419.982693][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1419.988424][T25438] __msan_chain_origin+0x57/0xa0 [ 1419.993365][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1419.998498][T25438] get_compat_msghdr+0x108/0x2b0 [ 1420.003465][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1420.007976][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1420.012660][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1420.018732][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1420.025004][T25438] __do_fast_syscall_32+0x129/0x180 [ 1420.030214][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1420.035075][T25438] do_SYSENTER_32+0x73/0x90 [ 1420.039587][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1420.045906][T25438] [ 1420.048229][T25438] Uninit was stored to memory at: [ 1420.053264][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1420.059024][T25438] __msan_chain_origin+0x57/0xa0 [ 1420.063968][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1420.069083][T25438] get_compat_msghdr+0x108/0x2b0 [ 1420.074026][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1420.078528][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1420.083233][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1420.089307][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1420.095816][T25438] __do_fast_syscall_32+0x129/0x180 [ 1420.101021][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1420.105877][T25438] do_SYSENTER_32+0x73/0x90 [ 1420.110399][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1420.116716][T25438] [ 1420.119038][T25438] Uninit was stored to memory at: [ 1420.124161][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1420.129902][T25438] __msan_chain_origin+0x57/0xa0 [ 1420.134879][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1420.140174][T25438] get_compat_msghdr+0x108/0x2b0 [ 1420.145112][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1420.149613][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1420.154297][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1420.160381][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1420.166567][T25438] __do_fast_syscall_32+0x129/0x180 [ 1420.171781][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1420.176650][T25438] do_SYSENTER_32+0x73/0x90 [ 1420.181158][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1420.187558][T25438] [ 1420.189900][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1420.196604][T25438] do_recvmmsg+0xc2/0x22e0 [ 1420.201043][T25438] do_recvmmsg+0xc2/0x22e0 [ 1420.300591][ T9787] Bluetooth: hci0: command 0x0419 tx timeout [ 1421.836560][T25439] not chained 120000 origins [ 1421.841239][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1421.849912][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1421.860075][T25439] Call Trace: [ 1421.863379][T25439] dump_stack+0x21c/0x280 [ 1421.867726][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1421.873458][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1421.879543][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.884748][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1421.890557][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1421.896655][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1421.902056][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.907269][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.912476][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1421.918118][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1421.924192][T25439] ? _copy_from_user+0x201/0x310 [ 1421.929138][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.934342][T25439] __msan_chain_origin+0x57/0xa0 [ 1421.939286][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1421.944422][T25439] get_compat_msghdr+0x108/0x2b0 [ 1421.949370][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1421.953882][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.959966][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.965182][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1421.970823][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1421.976108][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1421.980883][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1421.985586][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1421.991405][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1421.996628][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.002799][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.008989][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.014200][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.019059][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.023566][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.029894][T25439] RIP: 0023:0xf7f69549 [ 1422.033967][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1422.053579][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1422.061999][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1422.069975][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1422.077957][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1422.085933][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1422.093934][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1422.101908][T25439] Uninit was stored to memory at: [ 1422.106954][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.112681][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.117629][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.122745][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.127817][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.132857][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.137634][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.143712][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.149910][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.155114][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.159977][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.164487][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.170973][T25439] [ 1422.173293][T25439] Uninit was stored to memory at: [ 1422.178326][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.184051][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.188989][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.194114][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.199672][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.204182][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.208895][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.214986][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.221147][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.226368][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.231219][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.235730][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.242301][T25439] [ 1422.244638][T25439] Uninit was stored to memory at: [ 1422.249668][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.255400][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.260348][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.265491][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.270437][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.274942][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.279622][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.285691][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.291941][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.297248][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.302101][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.306605][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.312916][T25439] [ 1422.315236][T25439] Uninit was stored to memory at: [ 1422.320260][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.325974][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.330912][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.336022][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.340979][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.345474][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.350168][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.356233][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.362390][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.367607][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.372458][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.376963][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.383270][T25439] [ 1422.385584][T25439] Uninit was stored to memory at: [ 1422.390616][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.396340][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.401277][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.406385][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.411316][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.415822][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.420541][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.426615][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.432780][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.437979][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.443089][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.447596][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.453903][T25439] [ 1422.456245][T25439] Uninit was stored to memory at: [ 1422.461369][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.467093][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.472032][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.477158][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.482090][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.486588][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.491263][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.497349][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.503596][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.508806][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.513652][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.518171][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.524481][T25439] [ 1422.526796][T25439] Uninit was stored to memory at: [ 1422.531846][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1422.537570][T25439] __msan_chain_origin+0x57/0xa0 [ 1422.542527][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1422.547654][T25439] get_compat_msghdr+0x108/0x2b0 [ 1422.552596][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1422.557111][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1422.561794][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1422.567863][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1422.574034][T25439] __do_fast_syscall_32+0x129/0x180 [ 1422.579319][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1422.584166][T25439] do_SYSENTER_32+0x73/0x90 [ 1422.588691][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1422.595088][T25439] [ 1422.597432][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1422.604198][T25439] do_recvmmsg+0xc2/0x22e0 [ 1422.608615][T25439] do_recvmmsg+0xc2/0x22e0 [ 1422.971278][T25438] not chained 130000 origins [ 1422.975919][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1422.984598][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1422.994892][T25438] Call Trace: [ 1422.998230][T25438] dump_stack+0x21c/0x280 [ 1423.002582][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1423.008336][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1423.014430][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.019665][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1423.025501][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1423.031579][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1423.037396][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.042607][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1423.048260][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1423.054424][T25438] ? _copy_from_user+0x201/0x310 [ 1423.059369][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.064585][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.069574][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.074709][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.079667][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.084279][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.089496][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.094713][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1423.100384][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1423.105688][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1423.110475][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.115172][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1423.120992][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1423.126211][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.132405][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.138686][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.143896][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.148952][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.153473][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.159799][T25438] RIP: 0023:0xf7f69549 [ 1423.163877][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1423.183489][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1423.191933][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1423.199909][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1423.207883][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1423.215964][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1423.223947][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1423.231925][T25438] Uninit was stored to memory at: [ 1423.236962][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.242692][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.247642][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.252764][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.257714][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.262224][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.266910][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.272987][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.279574][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.284809][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.289768][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.294310][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.300631][T25438] [ 1423.302958][T25438] Uninit was stored to memory at: [ 1423.308641][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.314389][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.319342][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.324467][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.329419][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.333925][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.338604][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.344677][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.350839][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.356044][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.360896][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.365406][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.371720][T25438] [ 1423.374047][T25438] Uninit was stored to memory at: [ 1423.379079][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.384802][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.389743][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.394865][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.399804][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.404309][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.408990][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.415055][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.421213][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.426414][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.431269][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.435784][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.442096][T25438] [ 1423.444416][T25438] Uninit was stored to memory at: [ 1423.449445][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.455168][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.460115][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.465321][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.470262][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.474795][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.479477][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.485552][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.491723][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.496950][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.501835][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.506381][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.512701][T25438] [ 1423.515023][T25438] Uninit was stored to memory at: [ 1423.520068][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.525824][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.530787][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.535924][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.540868][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.545376][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.550074][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.556243][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.562401][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.567607][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.572456][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.576967][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.583287][T25438] [ 1423.585610][T25438] Uninit was stored to memory at: [ 1423.590637][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.596353][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.601291][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.606407][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.611348][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.615860][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.620543][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.626610][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.632770][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.638054][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.642934][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.647445][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.653800][T25438] [ 1423.656120][T25438] Uninit was stored to memory at: [ 1423.661153][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1423.666895][T25438] __msan_chain_origin+0x57/0xa0 [ 1423.671846][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1423.676964][T25438] get_compat_msghdr+0x108/0x2b0 [ 1423.681908][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1423.686410][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1423.691092][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1423.697196][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1423.703368][T25438] __do_fast_syscall_32+0x129/0x180 [ 1423.708578][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1423.713434][T25438] do_SYSENTER_32+0x73/0x90 [ 1423.717943][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1423.724260][T25438] [ 1423.726581][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1423.733275][T25438] do_recvmmsg+0xc2/0x22e0 [ 1423.737707][T25438] do_recvmmsg+0xc2/0x22e0 [ 1424.128527][T25439] not chained 140000 origins [ 1424.133167][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1424.141861][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1424.151934][T25439] Call Trace: [ 1424.155237][T25439] dump_stack+0x21c/0x280 [ 1424.159587][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1424.165345][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1424.171424][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.176632][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1424.182449][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1424.188562][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1424.193945][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.199421][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.204626][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1424.210296][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1424.216377][T25439] ? _copy_from_user+0x201/0x310 [ 1424.221321][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.226634][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.231582][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.236707][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.241657][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.246554][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.251781][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.256999][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1424.262642][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1424.268484][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1424.273272][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.277960][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1424.283786][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1424.288992][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.295162][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.301332][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.306542][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.311402][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.315914][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.322266][T25439] RIP: 0023:0xf7f69549 [ 1424.326344][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1424.345974][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1424.354695][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1424.362697][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1424.371201][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1424.379205][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1424.387198][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1424.395357][T25439] Uninit was stored to memory at: [ 1424.400425][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.406184][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.411141][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.416277][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.421250][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.425766][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.430459][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.436546][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.442808][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.448015][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.452889][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.457405][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.463732][T25439] [ 1424.466158][T25439] Uninit was stored to memory at: [ 1424.471196][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.476927][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.481872][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.487010][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.491955][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.496488][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.501186][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.508056][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.514238][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.519463][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.524343][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.528865][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.536405][T25439] [ 1424.538734][T25439] Uninit was stored to memory at: [ 1424.543767][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.549591][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.554558][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.559676][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.564626][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.569163][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.573846][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.580026][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.586277][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.591530][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.596402][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.601192][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.607509][T25439] [ 1424.609836][T25439] Uninit was stored to memory at: [ 1424.614878][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.620784][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.625728][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.630837][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.635782][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.640281][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.644957][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.651044][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.657200][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.662402][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.667249][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.671755][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.678158][T25439] [ 1424.680470][T25439] Uninit was stored to memory at: [ 1424.686024][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.691745][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.696699][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.701810][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.706740][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.711238][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.715916][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.721988][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.728155][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.733351][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.738204][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.742710][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.749021][T25439] [ 1424.751354][T25439] Uninit was stored to memory at: [ 1424.756399][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.762134][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.767072][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.772206][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.777141][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.781654][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.786361][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.792435][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.798593][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.803791][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.808644][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.813149][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.819461][T25439] [ 1424.821781][T25439] Uninit was stored to memory at: [ 1424.826822][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1424.832540][T25439] __msan_chain_origin+0x57/0xa0 [ 1424.837514][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1424.842649][T25439] get_compat_msghdr+0x108/0x2b0 [ 1424.847688][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1424.852276][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1424.856955][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1424.863115][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1424.869272][T25439] __do_fast_syscall_32+0x129/0x180 [ 1424.874472][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1424.879322][T25439] do_SYSENTER_32+0x73/0x90 [ 1424.883824][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1424.890131][T25439] [ 1424.892459][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1424.899151][T25439] do_recvmmsg+0xc2/0x22e0 [ 1424.903734][T25439] do_recvmmsg+0xc2/0x22e0 [ 1425.323698][T25438] not chained 150000 origins [ 1425.328333][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1425.337014][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1425.347077][T25438] Call Trace: [ 1425.350467][T25438] dump_stack+0x21c/0x280 [ 1425.354806][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1425.360544][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1425.366619][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.371829][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1425.377657][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1425.383756][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1425.389150][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.394377][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.399587][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1425.405253][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1425.411338][T25438] ? _copy_from_user+0x201/0x310 [ 1425.416294][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.421576][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.426527][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.431651][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.436591][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.441118][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.446357][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.451562][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1425.457552][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1425.462839][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1425.467607][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.472293][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1425.478104][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1425.483311][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.489391][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.495560][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.500763][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.505619][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.510131][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.516455][T25438] RIP: 0023:0xf7f69549 [ 1425.520532][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1425.540852][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1425.549301][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1425.557282][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1425.565341][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1425.573317][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1425.581290][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1425.589264][T25438] Uninit was stored to memory at: [ 1425.594300][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.600051][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.605018][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.610131][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.615085][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.619590][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.624276][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.630358][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.636523][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.641730][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.646592][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.651111][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.657510][T25438] [ 1425.659850][T25438] Uninit was stored to memory at: [ 1425.664883][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.670604][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.675552][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.680668][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.685604][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.690120][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.694803][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.700879][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.707041][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.712244][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.717185][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.721695][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.728038][T25438] [ 1425.730363][T25438] Uninit was stored to memory at: [ 1425.735407][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.741225][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.746168][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.751289][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.756232][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.761179][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.765869][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.771948][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.778116][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.783352][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.788211][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.792721][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.799060][T25438] [ 1425.801383][T25438] Uninit was stored to memory at: [ 1425.806518][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.812250][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.817206][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.822327][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.827282][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.831797][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.836483][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.842560][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.849385][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.854632][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.859516][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.864024][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.870338][T25438] [ 1425.872666][T25438] Uninit was stored to memory at: [ 1425.877699][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.883452][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.888401][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.893516][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.898454][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.902982][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.907687][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.913875][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.920038][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.925241][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1425.930094][T25438] do_SYSENTER_32+0x73/0x90 [ 1425.934602][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1425.940949][T25438] [ 1425.943274][T25438] Uninit was stored to memory at: [ 1425.948310][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1425.954033][T25438] __msan_chain_origin+0x57/0xa0 [ 1425.958977][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1425.964094][T25438] get_compat_msghdr+0x108/0x2b0 [ 1425.969045][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1425.973574][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1425.978372][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1425.984455][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1425.990616][T25438] __do_fast_syscall_32+0x129/0x180 [ 1425.995829][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.000686][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.005198][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.011595][T25438] [ 1426.013917][T25438] Uninit was stored to memory at: [ 1426.018954][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1426.024676][T25438] __msan_chain_origin+0x57/0xa0 [ 1426.029617][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1426.034736][T25438] get_compat_msghdr+0x108/0x2b0 [ 1426.039761][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1426.044260][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1426.048941][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1426.055021][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1426.061199][T25438] __do_fast_syscall_32+0x129/0x180 [ 1426.066428][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.071280][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.075790][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.082119][T25438] [ 1426.084441][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1426.091113][T25438] do_recvmmsg+0xc2/0x22e0 [ 1426.095547][T25438] do_recvmmsg+0xc2/0x22e0 [ 1426.514877][T25438] not chained 160000 origins [ 1426.519549][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1426.528240][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1426.538318][T25438] Call Trace: [ 1426.541626][T25438] dump_stack+0x21c/0x280 [ 1426.545972][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1426.551785][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1426.557877][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.563089][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1426.568934][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1426.575012][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1426.580402][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.585623][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1426.591287][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1426.597367][T25438] ? _copy_from_user+0x201/0x310 [ 1426.602329][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.607544][T25438] __msan_chain_origin+0x57/0xa0 [ 1426.612498][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1426.617626][T25438] get_compat_msghdr+0x108/0x2b0 [ 1426.622575][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1426.627094][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.632336][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.637548][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1426.643194][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1426.648488][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1426.653362][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1426.658109][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1426.663929][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1426.669143][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1426.675257][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1426.681432][T25438] __do_fast_syscall_32+0x129/0x180 [ 1426.686660][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.691549][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.696072][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.702409][T25438] RIP: 0023:0xf7f69549 [ 1426.706500][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1426.726114][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1426.734542][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1426.742528][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1426.750509][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1426.758492][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1426.766473][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1426.774457][T25438] Uninit was stored to memory at: [ 1426.779505][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1426.785239][T25438] __msan_chain_origin+0x57/0xa0 [ 1426.790195][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1426.795320][T25438] get_compat_msghdr+0x108/0x2b0 [ 1426.800269][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1426.804792][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1426.809522][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1426.815687][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1426.821957][T25438] __do_fast_syscall_32+0x129/0x180 [ 1426.827162][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.832018][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.836540][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.842856][T25438] [ 1426.845195][T25438] Uninit was stored to memory at: [ 1426.850233][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1426.855962][T25438] __msan_chain_origin+0x57/0xa0 [ 1426.860908][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1426.866024][T25438] get_compat_msghdr+0x108/0x2b0 [ 1426.870974][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1426.875527][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1426.880224][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1426.886309][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1426.892475][T25438] __do_fast_syscall_32+0x129/0x180 [ 1426.897687][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.902550][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.907062][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.913382][T25438] [ 1426.916671][T25438] Uninit was stored to memory at: [ 1426.921735][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1426.927467][T25438] __msan_chain_origin+0x57/0xa0 [ 1426.932411][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1426.937536][T25438] get_compat_msghdr+0x108/0x2b0 [ 1426.942475][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1426.946983][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1426.951670][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1426.957746][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1426.964540][T25438] __do_fast_syscall_32+0x129/0x180 [ 1426.969746][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1426.974609][T25438] do_SYSENTER_32+0x73/0x90 [ 1426.979150][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1426.985736][T25438] [ 1426.988061][T25438] Uninit was stored to memory at: [ 1426.993101][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1426.998830][T25438] __msan_chain_origin+0x57/0xa0 [ 1427.003791][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1427.008919][T25438] get_compat_msghdr+0x108/0x2b0 [ 1427.013857][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1427.018378][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1427.023061][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1427.029133][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1427.035294][T25438] __do_fast_syscall_32+0x129/0x180 [ 1427.040505][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1427.045360][T25438] do_SYSENTER_32+0x73/0x90 [ 1427.049870][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1427.056216][T25438] [ 1427.058539][T25438] Uninit was stored to memory at: [ 1427.063604][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1427.069337][T25438] __msan_chain_origin+0x57/0xa0 [ 1427.074281][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1427.079396][T25438] get_compat_msghdr+0x108/0x2b0 [ 1427.084338][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1427.088845][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1427.093529][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1427.099652][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1427.105915][T25438] __do_fast_syscall_32+0x129/0x180 [ 1427.111134][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1427.115999][T25438] do_SYSENTER_32+0x73/0x90 [ 1427.120516][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1427.126845][T25438] [ 1427.129209][T25438] Uninit was stored to memory at: [ 1427.134256][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1427.139989][T25438] __msan_chain_origin+0x57/0xa0 [ 1427.144955][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1427.150072][T25438] get_compat_msghdr+0x108/0x2b0 [ 1427.155023][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1427.159531][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1427.164239][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1427.170312][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1427.176481][T25438] __do_fast_syscall_32+0x129/0x180 [ 1427.181802][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1427.186656][T25438] do_SYSENTER_32+0x73/0x90 [ 1427.191169][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1427.197488][T25438] [ 1427.199811][T25438] Uninit was stored to memory at: [ 1427.204860][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1427.210721][T25438] __msan_chain_origin+0x57/0xa0 [ 1427.215666][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1427.220782][T25438] get_compat_msghdr+0x108/0x2b0 [ 1427.225721][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1427.230228][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1427.234916][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1427.241088][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1427.247283][T25438] __do_fast_syscall_32+0x129/0x180 [ 1427.252584][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1427.257442][T25438] do_SYSENTER_32+0x73/0x90 [ 1427.261960][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1427.268280][T25438] [ 1427.270607][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1427.277401][T25438] do_recvmmsg+0xc2/0x22e0 [ 1427.281817][T25438] do_recvmmsg+0xc2/0x22e0 [ 1427.345636][T14476] team0 (unregistering): Port device team_slave_1 removed [ 1427.388385][T14476] team0 (unregistering): Port device team_slave_0 removed [ 1427.414327][T14476] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1427.461988][T14476] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1427.587299][T14476] bond0 (unregistering): Released all slaves [ 1427.693964][T25471] sit0 speed is unknown, defaulting to 1000 [ 1428.189307][T25471] chnl_net:caif_netlink_parms(): no params data found [ 1428.319443][T25439] not chained 170000 origins [ 1428.324082][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1428.332748][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1428.342799][T25439] Call Trace: [ 1428.346273][T25439] dump_stack+0x21c/0x280 [ 1428.350621][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1428.356353][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1428.362422][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.367628][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1428.373461][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1428.379557][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1428.384963][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.390171][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.395374][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1428.401010][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1428.407077][T25439] ? _copy_from_user+0x201/0x310 [ 1428.412020][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.417220][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.422441][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.427561][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.432516][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.437033][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.442259][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.447479][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1428.453132][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1428.458429][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1428.463212][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.467930][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1428.473745][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1428.478955][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.485037][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.491213][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.496420][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.501273][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.505806][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.512154][T25439] RIP: 0023:0xf7f69549 [ 1428.516221][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1428.535847][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1428.544267][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1428.552238][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1428.560213][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1428.568187][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1428.576161][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1428.584130][T25439] Uninit was stored to memory at: [ 1428.589164][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.594902][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.599854][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.604965][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.609899][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.614512][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.619631][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.625704][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.631867][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.637070][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.641927][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.647395][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.653722][T25439] [ 1428.656052][T25439] Uninit was stored to memory at: [ 1428.661090][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.666817][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.671757][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.676879][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.681827][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.686329][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.691009][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.697108][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.703273][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.708478][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.713332][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.717843][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.724156][T25439] [ 1428.726474][T25439] Uninit was stored to memory at: [ 1428.731518][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.737244][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.742189][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.747306][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.752240][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.756743][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.761428][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.767510][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.773685][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.778886][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.783744][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.788257][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.794569][T25439] [ 1428.796887][T25439] Uninit was stored to memory at: [ 1428.801925][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.807651][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.812592][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.817708][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.822648][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.827154][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.831857][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.837932][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.844095][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.849298][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.854159][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.858677][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.864994][T25439] [ 1428.867323][T25439] Uninit was stored to memory at: [ 1428.872373][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.878103][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.883133][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.888328][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.893263][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.897766][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.902454][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.908527][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.914773][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.919976][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.924833][T25439] do_SYSENTER_32+0x73/0x90 [ 1428.929344][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1428.935660][T25439] [ 1428.937982][T25439] Uninit was stored to memory at: [ 1428.943023][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1428.948748][T25439] __msan_chain_origin+0x57/0xa0 [ 1428.953691][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1428.958816][T25439] get_compat_msghdr+0x108/0x2b0 [ 1428.963757][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1428.968264][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1428.972948][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1428.979022][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1428.985533][T25439] __do_fast_syscall_32+0x129/0x180 [ 1428.990742][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1428.995602][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.000113][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.006451][T25439] [ 1429.008775][T25439] Uninit was stored to memory at: [ 1429.013810][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.019543][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.024486][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.029658][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.034599][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.039129][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.043811][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.049886][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.056053][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.061272][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.066160][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.070685][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.077004][T25439] [ 1429.079339][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1429.086037][T25439] do_recvmmsg+0xc2/0x22e0 [ 1429.090485][T25439] do_recvmmsg+0xc2/0x22e0 [ 1429.346825][T25439] not chained 180000 origins [ 1429.351469][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1429.360171][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1429.370486][T25439] Call Trace: [ 1429.373788][T25439] dump_stack+0x21c/0x280 [ 1429.374252][T25471] bridge0: port 1(bridge_slave_0) entered blocking state [ 1429.378126][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1429.378147][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1429.378166][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.378190][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1429.378208][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1429.378226][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1429.378245][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.378265][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.378284][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1429.378304][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1429.378364][T25439] ? _copy_from_user+0x201/0x310 [ 1429.385537][T25471] bridge0: port 1(bridge_slave_0) entered disabled state [ 1429.391097][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.391116][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.391136][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.391162][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.391180][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.391203][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.391227][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.391249][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1429.391267][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1429.391282][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1429.391297][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.391319][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1429.391378][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1429.400146][T25471] device bridge_slave_0 entered promiscuous mode [ 1429.402665][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.532949][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.539117][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.544369][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.549231][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.553745][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.560068][T25439] RIP: 0023:0xf7f69549 [ 1429.564237][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1429.571239][T25471] bridge0: port 2(bridge_slave_1) entered blocking state [ 1429.583852][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1429.583872][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1429.583883][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1429.583898][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1429.583907][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1429.583917][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1429.583929][T25439] Uninit was stored to memory at: [ 1429.583956][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.583972][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.583988][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.584004][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.584017][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.584028][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.584043][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.584061][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.584080][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.584096][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.584111][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.584130][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.584133][T25439] [ 1429.584138][T25439] Uninit was stored to memory at: [ 1429.584154][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.584171][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.584186][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.584201][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.584215][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.584228][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.584246][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.584263][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.584281][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.584299][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.584316][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.584334][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.584337][T25439] [ 1429.584341][T25439] Uninit was stored to memory at: [ 1429.584356][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.584373][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.584388][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.584402][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.584415][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.584428][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.584445][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.584462][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.584480][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.584497][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.584514][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.584533][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.584536][T25439] [ 1429.584541][T25439] Uninit was stored to memory at: [ 1429.584558][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.584575][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.584591][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.584606][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.584620][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.584634][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.584651][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.584669][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.584687][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.584704][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.584721][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.584740][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.584743][T25439] [ 1429.584747][T25439] Uninit was stored to memory at: [ 1429.584765][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.584781][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.584796][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.584811][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.584824][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.584838][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.584855][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.584872][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.584900][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.584918][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.584935][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.584954][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.584957][T25439] [ 1429.584962][T25439] Uninit was stored to memory at: [ 1429.584979][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.584996][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.585011][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.585026][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.585040][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.585053][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.585070][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.585087][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.585105][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.585122][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.585139][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.585157][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.585161][T25439] [ 1429.585165][T25439] Uninit was stored to memory at: [ 1429.585181][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1429.585198][T25439] __msan_chain_origin+0x57/0xa0 [ 1429.585214][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1429.585229][T25439] get_compat_msghdr+0x108/0x2b0 [ 1429.585243][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1429.585256][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1429.585274][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1429.585292][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1429.585310][T25439] __do_fast_syscall_32+0x129/0x180 [ 1429.585328][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1429.585345][T25439] do_SYSENTER_32+0x73/0x90 [ 1429.585363][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1429.585367][T25439] [ 1429.585373][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1429.585386][T25439] do_recvmmsg+0xc2/0x22e0 [ 1429.585397][T25439] do_recvmmsg+0xc2/0x22e0 [ 1429.994101][T25439] not chained 190000 origins [ 1429.994423][T25471] bridge0: port 2(bridge_slave_1) entered disabled state [ 1430.000694][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1430.000703][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1430.000708][T25439] Call Trace: [ 1430.000736][T25439] dump_stack+0x21c/0x280 [ 1430.000758][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1430.000777][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1430.000795][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.000813][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1430.000831][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1430.000848][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1430.000865][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.000884][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.000902][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1430.000961][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1430.005989][T25471] device bridge_slave_1 entered promiscuous mode [ 1430.008302][T25439] ? _copy_from_user+0x201/0x310 [ 1430.008323][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.008340][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.008361][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.008383][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.008402][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.008462][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.228531][T25471] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1430.232821][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.313041][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1430.318685][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1430.323971][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1430.328808][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.333507][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1430.339321][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1430.344541][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.350714][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.356889][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.362107][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.366976][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.371672][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.377996][T25439] RIP: 0023:0xf7f69549 [ 1430.382069][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1430.401683][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1430.410104][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1430.418076][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1430.426050][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1430.434030][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1430.442006][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1430.449979][T25439] Uninit was stored to memory at: [ 1430.455014][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.460749][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.465716][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.470829][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.475764][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.480261][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.484960][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.491027][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.497186][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.502392][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.507240][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.511760][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.518075][T25439] [ 1430.520403][T25439] Uninit was stored to memory at: [ 1430.525435][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.531165][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.536107][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.541217][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.546147][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.550655][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.555331][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.561397][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.567551][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.572748][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.577604][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.582115][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.588426][T25439] [ 1430.590765][T25439] Uninit was stored to memory at: [ 1430.595797][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.601713][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.606665][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.611795][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.616728][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.621231][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.625906][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.631977][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.638132][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.643329][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.648179][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.652695][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.659004][T25439] [ 1430.661321][T25439] Uninit was stored to memory at: [ 1430.666346][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.672071][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.677020][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.682126][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.687058][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.691583][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.696279][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.702357][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.708521][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.713723][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.718838][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.723365][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.729697][T25439] [ 1430.732013][T25439] Uninit was stored to memory at: [ 1430.737127][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.742842][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.747780][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.753095][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.758030][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.762530][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.767210][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.773276][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.779436][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.784649][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.789507][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.794015][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.800326][T25439] [ 1430.802648][T25439] Uninit was stored to memory at: [ 1430.807678][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.813396][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.818345][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.823459][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.828398][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.832898][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.837581][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.843736][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.849891][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.855271][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.860469][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.864972][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.871281][T25439] [ 1430.873603][T25439] Uninit was stored to memory at: [ 1430.878631][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1430.884350][T25439] __msan_chain_origin+0x57/0xa0 [ 1430.889294][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1430.894417][T25439] get_compat_msghdr+0x108/0x2b0 [ 1430.899355][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1430.903851][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1430.908543][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1430.914627][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1430.920817][T25439] __do_fast_syscall_32+0x129/0x180 [ 1430.926013][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1430.930861][T25439] do_SYSENTER_32+0x73/0x90 [ 1430.935362][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1430.941677][T25439] [ 1430.944001][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1430.950679][T25439] do_recvmmsg+0xc2/0x22e0 [ 1430.955123][T25439] do_recvmmsg+0xc2/0x22e0 [ 1431.038751][T25471] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1431.224581][T25471] team0: Port device team_slave_0 added [ 1431.287808][T25471] team0: Port device team_slave_1 added [ 1431.415897][T25471] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1431.425613][T25471] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.451824][T25471] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1431.552416][T25439] not chained 200000 origins [ 1431.557323][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1431.566001][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1431.576068][T25439] Call Trace: [ 1431.579380][T25439] dump_stack+0x21c/0x280 [ 1431.583724][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1431.589454][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1431.595528][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.600786][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1431.606873][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1431.612946][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1431.618334][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.623536][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1431.629171][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1431.635253][T25439] ? _copy_from_user+0x201/0x310 [ 1431.640205][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.646461][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.652371][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.657496][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.662560][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.667103][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.672576][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.677791][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1431.683448][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1431.688759][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1431.693549][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.698240][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1431.704057][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1431.709295][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.714716][T25471] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1431.715411][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.722607][T25471] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.728504][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.728526][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.728544][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.728565][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.728578][T25439] RIP: 0023:0xf7f69549 [ 1431.728604][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1431.728614][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1431.728631][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1431.728642][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1431.728652][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1431.728662][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1431.728672][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1431.728683][T25439] Uninit was stored to memory at: [ 1431.728705][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.728719][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.728736][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.728752][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.728765][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.728778][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.728794][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.728809][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.728827][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.728844][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.728861][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.728879][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.728883][T25439] [ 1431.728887][T25439] Uninit was stored to memory at: [ 1431.728905][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.728921][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.728937][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.728952][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.728966][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.728978][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.728995][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.729013][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.729029][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.729045][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.729063][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.729080][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.729083][T25439] [ 1431.729087][T25439] Uninit was stored to memory at: [ 1431.729105][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.729122][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.729136][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.729151][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.729165][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.729178][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.729196][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.729213][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.729231][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.729249][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.729267][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.729286][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.729289][T25439] [ 1431.729293][T25439] Uninit was stored to memory at: [ 1431.729311][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.729327][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.729343][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.729359][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.729371][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.729385][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.729402][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.729419][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.729437][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.729455][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.729471][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.729490][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.729493][T25439] [ 1431.729498][T25439] Uninit was stored to memory at: [ 1431.729515][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.729531][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.729547][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.729563][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.729577][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.729590][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.729617][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.729635][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.729653][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.729671][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.729687][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.729706][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.729709][T25439] [ 1431.729714][T25439] Uninit was stored to memory at: [ 1431.729731][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.729747][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.729762][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.729777][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.729790][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.729803][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.729821][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.729838][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.729857][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.729874][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.729892][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.729911][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.729914][T25439] [ 1431.729918][T25439] Uninit was stored to memory at: [ 1431.729936][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1431.729952][T25439] __msan_chain_origin+0x57/0xa0 [ 1431.729968][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1431.729984][T25439] get_compat_msghdr+0x108/0x2b0 [ 1431.729997][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1431.730010][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1431.730028][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1431.730045][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1431.730063][T25439] __do_fast_syscall_32+0x129/0x180 [ 1431.730081][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1431.730097][T25439] do_SYSENTER_32+0x73/0x90 [ 1431.730115][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1431.730118][T25439] [ 1431.730125][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1431.730137][T25439] do_recvmmsg+0xc2/0x22e0 [ 1431.730150][T25439] do_recvmmsg+0xc2/0x22e0 [ 1432.375774][T25471] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1432.581885][T25438] not chained 210000 origins [ 1432.586524][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1432.595191][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1432.605247][T25438] Call Trace: [ 1432.608813][T25438] dump_stack+0x21c/0x280 [ 1432.613162][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1432.618943][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1432.625021][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.630237][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1432.636048][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1432.642127][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1432.649941][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.655153][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.660360][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1432.665997][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1432.672066][T25438] ? _copy_from_user+0x201/0x310 [ 1432.677007][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.682215][T25438] __msan_chain_origin+0x57/0xa0 [ 1432.687153][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1432.692269][T25438] get_compat_msghdr+0x108/0x2b0 [ 1432.697209][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1432.701727][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.706938][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.712491][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1432.718147][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1432.723439][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1432.728205][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1432.732888][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1432.738698][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1432.743902][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1432.749983][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1432.756143][T25438] __do_fast_syscall_32+0x129/0x180 [ 1432.762050][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1432.766907][T25438] do_SYSENTER_32+0x73/0x90 [ 1432.771436][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1432.777757][T25438] RIP: 0023:0xf7f69549 [ 1432.781867][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1432.801493][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1432.809917][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1432.817889][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1432.825886][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1432.833857][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1432.841840][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1432.849902][T25438] Uninit was stored to memory at: [ 1432.854943][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1432.860658][T25438] __msan_chain_origin+0x57/0xa0 [ 1432.865614][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1432.870729][T25438] get_compat_msghdr+0x108/0x2b0 [ 1432.875678][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1432.880177][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1432.885548][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1432.891613][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1432.899763][T25438] __do_fast_syscall_32+0x129/0x180 [ 1432.904962][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1432.909820][T25438] do_SYSENTER_32+0x73/0x90 [ 1432.914435][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1432.920761][T25438] [ 1432.923100][T25438] Uninit was stored to memory at: [ 1432.928127][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1432.933841][T25438] __msan_chain_origin+0x57/0xa0 [ 1432.938776][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1432.943899][T25438] get_compat_msghdr+0x108/0x2b0 [ 1432.948835][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1432.953332][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1432.958010][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1432.965928][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1432.972091][T25438] __do_fast_syscall_32+0x129/0x180 [ 1432.977289][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1432.982141][T25438] do_SYSENTER_32+0x73/0x90 [ 1432.986645][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1432.993116][T25438] [ 1432.995437][T25438] Uninit was stored to memory at: [ 1433.000471][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1433.006195][T25438] __msan_chain_origin+0x57/0xa0 [ 1433.011141][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1433.016258][T25438] get_compat_msghdr+0x108/0x2b0 [ 1433.021196][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1433.025694][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1433.030378][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1433.036444][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1433.042630][T25438] __do_fast_syscall_32+0x129/0x180 [ 1433.047857][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1433.052718][T25438] do_SYSENTER_32+0x73/0x90 [ 1433.057228][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1433.063539][T25438] [ 1433.065861][T25438] Uninit was stored to memory at: [ 1433.070894][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1433.077051][T25438] __msan_chain_origin+0x57/0xa0 [ 1433.082006][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1433.087230][T25438] get_compat_msghdr+0x108/0x2b0 [ 1433.092169][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1433.096675][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1433.101502][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1433.107574][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1433.113737][T25438] __do_fast_syscall_32+0x129/0x180 [ 1433.118940][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1433.123995][T25438] do_SYSENTER_32+0x73/0x90 [ 1433.128505][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1433.134816][T25438] [ 1433.137132][T25438] Uninit was stored to memory at: [ 1433.142159][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1433.147903][T25438] __msan_chain_origin+0x57/0xa0 [ 1433.152947][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1433.158065][T25438] get_compat_msghdr+0x108/0x2b0 [ 1433.162995][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1433.167491][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1433.172255][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1433.178321][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1433.184488][T25438] __do_fast_syscall_32+0x129/0x180 [ 1433.190125][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1433.195190][T25438] do_SYSENTER_32+0x73/0x90 [ 1433.199697][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1433.206012][T25438] [ 1433.208429][T25438] Uninit was stored to memory at: [ 1433.213454][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1433.219189][T25438] __msan_chain_origin+0x57/0xa0 [ 1433.224128][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1433.229235][T25438] get_compat_msghdr+0x108/0x2b0 [ 1433.234177][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1433.238681][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1433.243356][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1433.250567][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1433.256741][T25438] __do_fast_syscall_32+0x129/0x180 [ 1433.261948][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1433.266803][T25438] do_SYSENTER_32+0x73/0x90 [ 1433.271310][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1433.277639][T25438] [ 1433.280917][T25438] Uninit was stored to memory at: [ 1433.285951][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1433.291698][T25438] __msan_chain_origin+0x57/0xa0 [ 1433.296647][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1433.301789][T25438] get_compat_msghdr+0x108/0x2b0 [ 1433.306916][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1433.311493][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1433.316547][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1433.322648][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1433.329999][T25438] __do_fast_syscall_32+0x129/0x180 [ 1433.335671][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1433.340526][T25438] do_SYSENTER_32+0x73/0x90 [ 1433.345121][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1433.352044][T25438] [ 1433.354370][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1433.361172][T25438] do_recvmmsg+0xc2/0x22e0 [ 1433.365589][T25438] do_recvmmsg+0xc2/0x22e0 [ 1434.606984][T25438] not chained 220000 origins [ 1434.611749][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1434.620455][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1434.630709][T25438] Call Trace: [ 1434.634018][T25438] dump_stack+0x21c/0x280 [ 1434.638455][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1434.644414][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1434.650520][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.655904][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1434.662254][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1434.668595][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1434.674063][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.680582][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.685814][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1434.691455][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1434.697788][T25438] ? _copy_from_user+0x201/0x310 [ 1434.702746][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.708298][T25438] __msan_chain_origin+0x57/0xa0 [ 1434.713538][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1434.719931][T25438] get_compat_msghdr+0x108/0x2b0 [ 1434.726070][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1434.730586][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.736176][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.741383][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1434.747291][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1434.752966][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1434.758345][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1434.769761][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1434.778445][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1434.783660][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1434.789745][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1434.795918][T25438] __do_fast_syscall_32+0x129/0x180 [ 1434.801739][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1434.806754][T25438] do_SYSENTER_32+0x73/0x90 [ 1434.811275][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1434.819954][T25438] RIP: 0023:0xf7f69549 [ 1434.824302][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1434.844162][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1434.852870][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1434.861046][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1434.869558][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1434.878070][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1434.886048][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1434.895935][T25438] Uninit was stored to memory at: [ 1434.901332][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1434.907055][T25438] __msan_chain_origin+0x57/0xa0 [ 1434.912189][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1434.917302][T25438] get_compat_msghdr+0x108/0x2b0 [ 1434.922434][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1434.926946][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1434.931648][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1434.937727][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1434.944269][T25438] __do_fast_syscall_32+0x129/0x180 [ 1434.949749][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1434.956013][T25438] do_SYSENTER_32+0x73/0x90 [ 1434.960623][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1434.967027][T25438] [ 1434.969524][T25438] Uninit was stored to memory at: [ 1434.974831][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1434.981334][T25438] __msan_chain_origin+0x57/0xa0 [ 1434.986819][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1434.992221][T25438] get_compat_msghdr+0x108/0x2b0 [ 1434.997276][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.002147][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.006841][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.012928][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.019091][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.024298][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.029338][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.034288][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.040715][T25438] [ 1435.043042][T25438] Uninit was stored to memory at: [ 1435.048084][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1435.054983][T25438] __msan_chain_origin+0x57/0xa0 [ 1435.060454][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1435.065775][T25438] get_compat_msghdr+0x108/0x2b0 [ 1435.070713][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.075214][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.079984][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.086435][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.092795][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.098093][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.103449][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.107973][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.116679][T25438] [ 1435.120310][T25438] Uninit was stored to memory at: [ 1435.125360][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1435.131530][T25438] __msan_chain_origin+0x57/0xa0 [ 1435.136483][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1435.141623][T25438] get_compat_msghdr+0x108/0x2b0 [ 1435.146569][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.151341][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.156815][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.162984][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.169154][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.174362][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.179223][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.183737][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.190058][T25438] [ 1435.192382][T25438] Uninit was stored to memory at: [ 1435.197499][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1435.203261][T25438] __msan_chain_origin+0x57/0xa0 [ 1435.208224][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1435.213364][T25438] get_compat_msghdr+0x108/0x2b0 [ 1435.218321][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.222926][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.227619][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.233707][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.239893][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.245122][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.249998][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.254511][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.260998][T25438] [ 1435.263413][T25438] Uninit was stored to memory at: [ 1435.268447][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1435.274175][T25438] __msan_chain_origin+0x57/0xa0 [ 1435.279118][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1435.284234][T25438] get_compat_msghdr+0x108/0x2b0 [ 1435.289195][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.293710][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.298424][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.304523][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.310692][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.315907][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.320767][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.325279][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.331599][T25438] [ 1435.333922][T25438] Uninit was stored to memory at: [ 1435.338960][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1435.344688][T25438] __msan_chain_origin+0x57/0xa0 [ 1435.349667][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1435.354797][T25438] get_compat_msghdr+0x108/0x2b0 [ 1435.359738][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1435.364238][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1435.369033][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1435.375108][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1435.381269][T25438] __do_fast_syscall_32+0x129/0x180 [ 1435.386468][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1435.391331][T25438] do_SYSENTER_32+0x73/0x90 [ 1435.395837][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1435.402152][T25438] [ 1435.405025][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1435.411715][T25438] do_recvmmsg+0xc2/0x22e0 [ 1435.416132][T25438] do_recvmmsg+0xc2/0x22e0 [ 1435.444611][T25471] device hsr_slave_0 entered promiscuous mode [ 1435.466983][T25471] device hsr_slave_1 entered promiscuous mode [ 1435.477363][T25471] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1435.486695][T25471] Cannot create hsr debugfs directory [ 1436.237108][T25471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1436.288370][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1436.297699][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1436.351035][T25471] 8021q: adding VLAN 0 to HW filter on device team0 [ 1436.396563][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1436.407298][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1436.416922][ T3249] bridge0: port 1(bridge_slave_0) entered blocking state [ 1436.424319][ T3249] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1436.441295][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1436.483477][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1436.493615][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1436.503320][T10408] bridge0: port 2(bridge_slave_1) entered blocking state [ 1436.510674][T10408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1436.653514][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1436.665048][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1436.755654][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1436.766765][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1436.777599][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1436.789356][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1436.799847][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1436.809517][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1436.878415][T25471] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1436.892087][T25471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1436.915308][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1436.925546][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1436.930667][T25438] not chained 230000 origins [ 1436.935471][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1436.938105][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1436.938114][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1436.938119][T25438] Call Trace: [ 1436.938148][T25438] dump_stack+0x21c/0x280 [ 1436.938173][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1436.938235][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1436.984280][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1436.989513][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1436.995351][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1437.001445][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1437.006848][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1437.012072][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1437.017745][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1437.023828][T25438] ? _copy_from_user+0x201/0x310 [ 1437.028783][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1437.034004][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.038982][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.044118][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.049683][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.054213][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1437.059529][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1437.064759][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1437.070511][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1437.075876][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1437.080699][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.085433][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1437.091291][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1437.096534][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.102636][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.109521][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.114751][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.119656][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.124224][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.130567][T25438] RIP: 0023:0xf7f69549 [ 1437.134659][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1437.154282][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1437.162718][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1437.170917][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1437.178937][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1437.186960][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1437.194954][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1437.202937][T25438] Uninit was stored to memory at: [ 1437.208005][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.213759][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.218759][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.223897][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.228848][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.233399][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.238178][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.244261][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.250444][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.255689][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.260569][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.265122][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.271441][T25438] [ 1437.273770][T25438] Uninit was stored to memory at: [ 1437.278810][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.284540][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.289514][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.294648][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.299598][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.304105][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.308788][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.314867][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.321141][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.326847][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.332125][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.336696][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.343030][T25438] [ 1437.345385][T25438] Uninit was stored to memory at: [ 1437.350430][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.356197][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.361187][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.366354][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.371317][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.375836][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.380620][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.386730][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.392904][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.398131][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.403105][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.407623][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.413943][T25438] [ 1437.416280][T25438] Uninit was stored to memory at: [ 1437.421320][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.427055][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.432017][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.437165][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.442241][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.446761][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.451484][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.457600][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.463780][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.469013][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.473910][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.478469][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.484793][T25438] [ 1437.487124][T25438] Uninit was stored to memory at: [ 1437.492177][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.497934][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.502890][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.508031][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.513004][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.517537][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.522258][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.528371][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.534544][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.539760][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.544627][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.549146][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.555465][T25438] [ 1437.557793][T25438] Uninit was stored to memory at: [ 1437.562829][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.568746][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.573695][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.578850][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.583821][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.588352][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.593081][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.599349][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.605530][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.610779][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.615675][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.620224][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.626546][T25438] [ 1437.628875][T25438] Uninit was stored to memory at: [ 1437.633926][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1437.639691][T25438] __msan_chain_origin+0x57/0xa0 [ 1437.644643][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1437.649767][T25438] get_compat_msghdr+0x108/0x2b0 [ 1437.654722][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1437.659248][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1437.665513][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1437.671605][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1437.677785][T25438] __do_fast_syscall_32+0x129/0x180 [ 1437.683009][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1437.688188][T25438] do_SYSENTER_32+0x73/0x90 [ 1437.692713][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1437.699070][T25438] [ 1437.701826][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1437.708536][T25438] do_recvmmsg+0xc2/0x22e0 [ 1437.713415][T25438] do_recvmmsg+0xc2/0x22e0 [ 1437.976948][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1437.985295][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1438.069749][T25471] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1438.131809][T25438] not chained 240000 origins [ 1438.136536][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1438.145217][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1438.155286][T25438] Call Trace: [ 1438.158714][T25438] dump_stack+0x21c/0x280 [ 1438.163120][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1438.168885][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1438.174978][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.180199][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1438.186033][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1438.192119][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1438.197533][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.202755][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1438.208455][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1438.214549][T25438] ? _copy_from_user+0x201/0x310 [ 1438.219598][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.224829][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.229796][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.234931][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.239909][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.244450][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.249668][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.254876][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1438.260521][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1438.265839][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1438.270610][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.275341][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1438.281183][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1438.286416][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.292605][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.298783][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.304001][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.308976][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.313502][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.319845][T25438] RIP: 0023:0xf7f69549 [ 1438.323935][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1438.343550][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1438.352021][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1438.360015][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1438.368037][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1438.376025][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1438.384193][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1438.394632][T25438] Uninit was stored to memory at: [ 1438.399685][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.405468][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.410425][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.415581][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.421288][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.425824][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.430523][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.436885][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.445152][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.450462][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.455358][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.459891][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.466230][T25438] [ 1438.468559][T25438] Uninit was stored to memory at: [ 1438.473648][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.479501][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.484461][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.489612][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.494562][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.499170][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.503858][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.510003][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.516181][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.521433][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.526338][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.530895][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.537225][T25438] [ 1438.539556][T25438] Uninit was stored to memory at: [ 1438.544609][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.550353][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.555364][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.560518][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.565467][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.569978][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.574672][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.580751][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.586939][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.592175][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.597178][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.601786][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.608207][T25438] [ 1438.610536][T25438] Uninit was stored to memory at: [ 1438.615599][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.621335][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.626307][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.631444][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.637209][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.641727][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.646412][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.652496][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.658674][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.663999][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.668882][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.673404][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.679727][T25438] [ 1438.682053][T25438] Uninit was stored to memory at: [ 1438.687093][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.692851][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.697825][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.702949][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.707891][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.712405][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.717101][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.723226][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.729518][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.734916][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.739835][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.744900][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.751231][T25438] [ 1438.753576][T25438] Uninit was stored to memory at: [ 1438.758661][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.764490][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.769459][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.774961][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.780008][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.784540][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.789257][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.795349][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.802763][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.807970][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.812842][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.817401][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.823773][T25438] [ 1438.826116][T25438] Uninit was stored to memory at: [ 1438.831772][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1438.837595][T25438] __msan_chain_origin+0x57/0xa0 [ 1438.842714][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1438.847833][T25438] get_compat_msghdr+0x108/0x2b0 [ 1438.852768][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1438.857266][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1438.861999][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1438.868165][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1438.875626][T25438] __do_fast_syscall_32+0x129/0x180 [ 1438.883658][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1438.888523][T25438] do_SYSENTER_32+0x73/0x90 [ 1438.893050][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1438.899397][T25438] [ 1438.901732][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1438.908419][T25438] do_recvmmsg+0xc2/0x22e0 [ 1438.912862][T25438] do_recvmmsg+0xc2/0x22e0 [ 1439.044066][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1439.054734][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1439.165921][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1439.176994][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1439.218100][T25471] device veth0_vlan entered promiscuous mode [ 1439.226844][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1439.236953][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1439.297380][T25471] device veth1_vlan entered promiscuous mode [ 1439.418766][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1439.429428][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1439.439805][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1439.450653][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1439.481910][T25471] device veth0_macvtap entered promiscuous mode [ 1439.529041][T25471] device veth1_macvtap entered promiscuous mode [ 1439.624985][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1439.635726][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.646200][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1439.656827][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.666919][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1439.678141][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.688274][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1439.698907][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.709000][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1439.719626][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.733958][T25471] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1439.743221][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1439.753233][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1439.763110][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1439.773529][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1439.824245][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1439.836112][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.846215][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1439.857010][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.867131][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1439.877848][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.887886][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1439.898528][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.908591][T25471] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1439.919269][T25471] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1439.933459][T25471] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1439.942049][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1439.952579][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1440.151191][T25439] not chained 250000 origins [ 1440.155854][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1440.164543][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1440.174614][T25439] Call Trace: [ 1440.177946][T25439] dump_stack+0x21c/0x280 [ 1440.182540][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1440.188289][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1440.194383][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.199605][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1440.205436][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1440.211521][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1440.216995][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.222235][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1440.227881][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1440.233998][T25439] ? _copy_from_user+0x201/0x310 [ 1440.238957][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.244175][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.249155][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.254296][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.259252][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.263773][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.268997][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.274211][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1440.279865][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1440.285167][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1440.290306][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.295014][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1440.300930][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1440.306148][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.312242][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.318421][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.323642][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.328514][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.333046][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.339387][T25439] RIP: 0023:0xf7f69549 [ 1440.343469][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1440.363182][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1440.371631][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1440.379628][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1440.387884][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1440.396828][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1440.404812][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1440.412840][T25439] Uninit was stored to memory at: [ 1440.417900][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.423662][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.428634][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.433791][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.439532][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.444048][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.448836][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.455020][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.461223][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.466446][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.471513][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.476076][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.482406][T25439] [ 1440.484768][T25439] Uninit was stored to memory at: [ 1440.489907][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.495641][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.500589][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.505745][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.510700][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.515242][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.519941][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.526061][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.532243][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.537466][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.542338][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.546852][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.553173][T25439] [ 1440.555507][T25439] Uninit was stored to memory at: [ 1440.560549][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.566286][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.571240][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.576399][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.581351][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.585880][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.590572][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.596839][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.603021][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.608236][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.613104][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.617624][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.623943][T25439] [ 1440.626275][T25439] Uninit was stored to memory at: [ 1440.631506][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.637325][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.642303][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.647440][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.652398][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.656919][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.661649][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.667852][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.674228][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.679446][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.684312][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.688825][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.695161][T25439] [ 1440.697484][T25439] Uninit was stored to memory at: [ 1440.702519][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.708364][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.713339][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.718544][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.723484][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.728390][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.733076][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.739156][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.746115][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.751362][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.756244][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.760798][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.767226][T25439] [ 1440.769611][T25439] Uninit was stored to memory at: [ 1440.774673][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.780420][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.785387][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.790523][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.795512][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.800119][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.804817][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.810916][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.817106][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.822331][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.827234][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.831770][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.838111][T25439] [ 1440.840511][T25439] Uninit was stored to memory at: [ 1440.845558][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1440.851306][T25439] __msan_chain_origin+0x57/0xa0 [ 1440.856295][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1440.861777][T25439] get_compat_msghdr+0x108/0x2b0 [ 1440.866733][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1440.871292][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1440.875998][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1440.882105][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1440.890480][T25439] __do_fast_syscall_32+0x129/0x180 [ 1440.895703][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1440.900571][T25439] do_SYSENTER_32+0x73/0x90 [ 1440.905098][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1440.911454][T25439] [ 1440.913793][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1440.920491][T25439] do_recvmmsg+0xc2/0x22e0 [ 1440.924925][T25439] do_recvmmsg+0xc2/0x22e0 [ 1441.373582][T14476] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1441.381746][T14476] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1441.410450][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1441.445836][T13015] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1441.456616][T13015] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1441.472071][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1441.768138][T25438] not chained 260000 origins [ 1441.772834][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1441.781534][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1441.791699][T25438] Call Trace: [ 1441.795013][T25438] dump_stack+0x21c/0x280 [ 1441.799368][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1441.805116][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1441.811199][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.816415][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1441.822249][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1441.828379][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1441.833765][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.838981][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.844191][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1441.849847][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1441.855951][T25438] ? _copy_from_user+0x201/0x310 [ 1441.860909][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.866123][T25438] __msan_chain_origin+0x57/0xa0 [ 1441.871081][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1441.876225][T25438] get_compat_msghdr+0x108/0x2b0 [ 1441.881186][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1441.885753][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.890994][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.896210][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1441.901884][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1441.907278][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1441.912073][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1441.916774][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1441.922601][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1441.927818][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1441.933914][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1441.940124][T25438] __do_fast_syscall_32+0x129/0x180 [ 1441.945353][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1441.950233][T25438] do_SYSENTER_32+0x73/0x90 [ 1441.954763][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1441.961108][T25438] RIP: 0023:0xf7f69549 [ 1441.965213][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1441.984933][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1441.993496][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1442.001484][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1442.009465][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1442.017475][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1442.022324][T25715] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1550 sclass=netlink_route_socket pid=25715 comm=syz-executor.0 [ 1442.025478][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1442.025490][T25438] Uninit was stored to memory at: [ 1442.025518][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.025536][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.025562][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.025628][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.072900][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.077412][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.082099][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.088183][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.094368][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.099597][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.104480][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.109018][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.115348][T25438] [ 1442.117702][T25438] Uninit was stored to memory at: [ 1442.122748][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.128489][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.133448][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.138610][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.143556][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.148061][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.152747][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.158852][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.165018][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.170939][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.175799][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.180313][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.186634][T25438] [ 1442.189150][T25438] Uninit was stored to memory at: [ 1442.194183][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.199918][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.204892][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.210405][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.215352][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.219861][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.224554][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.230636][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.236809][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.242044][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.246963][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.251507][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.257914][T25438] [ 1442.260235][T25438] Uninit was stored to memory at: [ 1442.265362][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.271092][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.276034][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.281151][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.286268][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.290767][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.295453][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.301960][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.308220][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.313602][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.318465][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.323091][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.329729][T25438] [ 1442.332060][T25438] Uninit was stored to memory at: [ 1442.337377][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.343153][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.348207][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.353536][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.358565][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.363713][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.368688][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.375916][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.382105][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.388366][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.393943][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.399050][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.407148][T25438] [ 1442.409539][T25438] Uninit was stored to memory at: [ 1442.414670][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.421087][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.426041][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.431176][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.436144][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.440657][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.445633][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.451718][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.457909][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.463120][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.468001][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.472511][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.478845][T25438] [ 1442.481170][T25438] Uninit was stored to memory at: [ 1442.486205][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1442.491931][T25438] __msan_chain_origin+0x57/0xa0 [ 1442.496891][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1442.502035][T25438] get_compat_msghdr+0x108/0x2b0 [ 1442.507004][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1442.511629][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1442.516314][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1442.522384][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1442.528549][T25438] __do_fast_syscall_32+0x129/0x180 [ 1442.533758][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1442.538680][T25438] do_SYSENTER_32+0x73/0x90 [ 1442.543231][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1442.549552][T25438] [ 1442.551882][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1442.558575][T25438] do_recvmmsg+0xc2/0x22e0 [ 1442.562998][T25438] do_recvmmsg+0xc2/0x22e0 [ 1443.104563][T25438] not chained 270000 origins [ 1443.109212][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1443.117901][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1443.128124][T25438] Call Trace: [ 1443.131442][T25438] dump_stack+0x21c/0x280 [ 1443.135796][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1443.141546][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1443.147641][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.152869][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1443.158805][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1443.165238][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1443.170631][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.175850][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1443.181511][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1443.187624][T25438] ? _copy_from_user+0x201/0x310 [ 1443.192630][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.197870][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.202828][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.208590][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.213743][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.218308][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.223571][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.228808][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1443.234469][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1443.239781][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1443.244554][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.249255][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1443.255099][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1443.260358][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.266456][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.272652][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.278033][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.282947][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.287470][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.293809][T25438] RIP: 0023:0xf7f69549 [ 1443.297891][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1443.317806][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1443.326238][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1443.334228][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1443.342212][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1443.350200][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1443.358253][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1443.366249][T25438] Uninit was stored to memory at: [ 1443.371311][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.377038][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.381994][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.387137][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.392120][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.396658][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.401354][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.407461][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.413648][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.418855][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.423951][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.428505][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.434915][T25438] [ 1443.437245][T25438] Uninit was stored to memory at: [ 1443.442281][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.448007][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.452980][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.458099][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.463058][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.467643][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.472349][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.478436][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.484604][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.489817][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.494680][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.499198][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.505722][T25438] [ 1443.508163][T25438] Uninit was stored to memory at: [ 1443.513244][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.518993][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.523954][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.529133][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.534123][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.538658][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.543380][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.549470][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.555649][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.560875][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.565793][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.570341][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.576665][T25438] [ 1443.578993][T25438] Uninit was stored to memory at: [ 1443.584040][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.589786][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.594735][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.599886][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.604835][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.609354][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.614045][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.620142][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.626310][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.631518][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.636374][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.640892][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.647213][T25438] [ 1443.649542][T25438] Uninit was stored to memory at: [ 1443.654587][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.660332][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.665323][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.670442][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.675391][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.679899][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.684603][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.690693][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.696960][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.702370][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.707228][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.712002][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.718412][T25438] [ 1443.720751][T25438] Uninit was stored to memory at: [ 1443.725798][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.731531][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.736479][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.741606][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.746563][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.752062][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.756753][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.762835][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.769008][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.774223][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.779097][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.783646][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.789969][T25438] [ 1443.792293][T25438] Uninit was stored to memory at: [ 1443.797332][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1443.803070][T25438] __msan_chain_origin+0x57/0xa0 [ 1443.808478][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1443.813600][T25438] get_compat_msghdr+0x108/0x2b0 [ 1443.818541][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1443.823086][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1443.827806][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1443.833968][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1443.840157][T25438] __do_fast_syscall_32+0x129/0x180 [ 1443.845376][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1443.850244][T25438] do_SYSENTER_32+0x73/0x90 [ 1443.854772][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1443.861116][T25438] [ 1443.863443][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1443.870131][T25438] do_recvmmsg+0xc2/0x22e0 [ 1443.874571][T25438] do_recvmmsg+0xc2/0x22e0 [ 1444.297028][T25439] not chained 280000 origins [ 1444.301680][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1444.310879][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1444.320970][T25439] Call Trace: [ 1444.324287][T25439] dump_stack+0x21c/0x280 [ 1444.328665][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1444.334423][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1444.340519][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.345743][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1444.351652][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1444.358720][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1444.364152][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.369374][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1444.375401][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1444.381524][T25439] ? _copy_from_user+0x201/0x310 [ 1444.386477][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.391688][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.396640][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.402373][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.407584][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.412137][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.417351][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.422562][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1444.428208][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1444.434055][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1444.438936][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.443657][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1444.449495][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1444.454722][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.460822][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.467006][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.472234][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.477657][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.482278][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.488700][T25439] RIP: 0023:0xf7f69549 [ 1444.492780][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1444.515375][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1444.524004][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1444.532003][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1444.539998][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1444.547984][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1444.556313][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1444.564304][T25439] Uninit was stored to memory at: [ 1444.569363][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.576230][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.581186][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.587049][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.592052][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.596567][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.601689][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.607765][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.614019][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.619232][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.624192][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.628769][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.635620][T25439] [ 1444.637953][T25439] Uninit was stored to memory at: [ 1444.643055][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.648803][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.653767][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.658922][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.663885][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.668416][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.673150][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.679245][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.685427][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.690745][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.695620][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.700159][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.706513][T25439] [ 1444.708839][T25439] Uninit was stored to memory at: [ 1444.713967][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.719707][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.724653][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.729773][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.734722][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.739234][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.744190][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.750308][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.756491][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.761723][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.766651][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.771190][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.777520][T25439] [ 1444.779852][T25439] Uninit was stored to memory at: [ 1444.784911][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.790657][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.795608][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.800728][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.805671][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.810177][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.814955][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.821144][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.827327][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.832551][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.837438][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.841976][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.848316][T25439] [ 1444.850681][T25439] Uninit was stored to memory at: [ 1444.855726][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.861484][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.866436][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.871549][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.876515][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.881023][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.885766][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.891877][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.898146][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.903362][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.908222][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.912743][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.919067][T25439] [ 1444.921396][T25439] Uninit was stored to memory at: [ 1444.926447][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1444.932196][T25439] __msan_chain_origin+0x57/0xa0 [ 1444.937164][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1444.942332][T25439] get_compat_msghdr+0x108/0x2b0 [ 1444.947287][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1444.951812][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1444.957295][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1444.963377][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1444.969554][T25439] __do_fast_syscall_32+0x129/0x180 [ 1444.974782][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1444.979664][T25439] do_SYSENTER_32+0x73/0x90 [ 1444.984196][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1444.991238][T25439] [ 1444.993595][T25439] Uninit was stored to memory at: [ 1444.998639][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1445.004385][T25439] __msan_chain_origin+0x57/0xa0 [ 1445.009348][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1445.014829][T25439] get_compat_msghdr+0x108/0x2b0 [ 1445.019791][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1445.024313][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1445.029049][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.036182][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.042363][T25439] __do_fast_syscall_32+0x129/0x180 [ 1445.047617][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1445.052516][T25439] do_SYSENTER_32+0x73/0x90 [ 1445.057039][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1445.063462][T25439] [ 1445.065794][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1445.072485][T25439] do_recvmmsg+0xc2/0x22e0 [ 1445.076926][T25439] do_recvmmsg+0xc2/0x22e0 [ 1445.456087][T25438] not chained 290000 origins [ 1445.460726][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1445.469395][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1445.479454][T25438] Call Trace: [ 1445.482772][T25438] dump_stack+0x21c/0x280 [ 1445.487109][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1445.492845][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1445.498927][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.504131][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1445.509944][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1445.516015][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1445.521392][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.526594][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.531795][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1445.537432][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1445.543496][T25438] ? _copy_from_user+0x201/0x310 [ 1445.548463][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.553664][T25438] __msan_chain_origin+0x57/0xa0 [ 1445.558619][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1445.563738][T25438] get_compat_msghdr+0x108/0x2b0 [ 1445.568701][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1445.573218][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.578483][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.583738][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1445.589384][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1445.594698][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1445.599490][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1445.604291][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1445.610102][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1445.615303][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.621407][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.627920][T25438] __do_fast_syscall_32+0x129/0x180 [ 1445.633122][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1445.637979][T25438] do_SYSENTER_32+0x73/0x90 [ 1445.642489][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1445.648811][T25438] RIP: 0023:0xf7f69549 [ 1445.652877][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1445.673024][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1445.681436][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1445.689403][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1445.697369][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1445.705337][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1445.713306][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1445.721537][T25438] Uninit was stored to memory at: [ 1445.726568][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1445.732283][T25438] __msan_chain_origin+0x57/0xa0 [ 1445.737224][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1445.742352][T25438] get_compat_msghdr+0x108/0x2b0 [ 1445.747293][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1445.751833][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1445.756598][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.762696][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.768964][T25438] __do_fast_syscall_32+0x129/0x180 [ 1445.774170][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1445.779024][T25438] do_SYSENTER_32+0x73/0x90 [ 1445.783532][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1445.789843][T25438] [ 1445.792160][T25438] Uninit was stored to memory at: [ 1445.797186][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1445.802902][T25438] __msan_chain_origin+0x57/0xa0 [ 1445.807847][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1445.812980][T25438] get_compat_msghdr+0x108/0x2b0 [ 1445.817920][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1445.822432][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1445.827113][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.834312][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.840569][T25438] __do_fast_syscall_32+0x129/0x180 [ 1445.846214][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1445.851070][T25438] do_SYSENTER_32+0x73/0x90 [ 1445.855582][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1445.861893][T25438] [ 1445.864221][T25438] Uninit was stored to memory at: [ 1445.869248][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1445.874967][T25438] __msan_chain_origin+0x57/0xa0 [ 1445.879906][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1445.885052][T25438] get_compat_msghdr+0x108/0x2b0 [ 1445.889983][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1445.894476][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1445.899153][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.905218][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.911373][T25438] __do_fast_syscall_32+0x129/0x180 [ 1445.917534][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1445.922388][T25438] do_SYSENTER_32+0x73/0x90 [ 1445.926897][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1445.933778][T25438] [ 1445.936095][T25438] Uninit was stored to memory at: [ 1445.941124][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1445.946859][T25438] __msan_chain_origin+0x57/0xa0 [ 1445.951803][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1445.956937][T25438] get_compat_msghdr+0x108/0x2b0 [ 1445.962414][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1445.966918][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1445.971598][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1445.977666][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1445.983820][T25438] __do_fast_syscall_32+0x129/0x180 [ 1445.989049][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1445.993906][T25438] do_SYSENTER_32+0x73/0x90 [ 1445.998437][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1446.004757][T25438] [ 1446.007077][T25438] Uninit was stored to memory at: [ 1446.012108][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1446.017835][T25438] __msan_chain_origin+0x57/0xa0 [ 1446.022775][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1446.027886][T25438] get_compat_msghdr+0x108/0x2b0 [ 1446.032845][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1446.037356][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1446.042058][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1446.048135][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1446.054294][T25438] __do_fast_syscall_32+0x129/0x180 [ 1446.059503][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1446.064354][T25438] do_SYSENTER_32+0x73/0x90 [ 1446.068865][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1446.075173][T25438] [ 1446.077490][T25438] Uninit was stored to memory at: [ 1446.082542][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1446.088266][T25438] __msan_chain_origin+0x57/0xa0 [ 1446.093219][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1446.098328][T25438] get_compat_msghdr+0x108/0x2b0 [ 1446.103263][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1446.107852][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1446.112681][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1446.119102][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1446.125268][T25438] __do_fast_syscall_32+0x129/0x180 [ 1446.130476][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1446.135335][T25438] do_SYSENTER_32+0x73/0x90 [ 1446.139844][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1446.146153][T25438] [ 1446.148472][T25438] Uninit was stored to memory at: [ 1446.153506][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1446.159236][T25438] __msan_chain_origin+0x57/0xa0 [ 1446.164175][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1446.169384][T25438] get_compat_msghdr+0x108/0x2b0 [ 1446.174328][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1446.178832][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1446.183536][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1446.189614][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1446.195801][T25438] __do_fast_syscall_32+0x129/0x180 [ 1446.201003][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1446.205878][T25438] do_SYSENTER_32+0x73/0x90 [ 1446.210388][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1446.216706][T25438] [ 1446.219034][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1446.225718][T25438] do_recvmmsg+0xc2/0x22e0 [ 1446.230157][T25438] do_recvmmsg+0xc2/0x22e0 [ 1446.702472][T25439] not chained 300000 origins [ 1446.707114][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1446.715811][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1446.726914][T25439] Call Trace: [ 1446.730252][T25439] dump_stack+0x21c/0x280 [ 1446.734606][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1446.740392][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1446.746487][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.751713][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1446.757541][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1446.763721][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1446.769166][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.774401][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.779627][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1446.785485][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1446.791940][T25439] ? _copy_from_user+0x201/0x310 [ 1446.796914][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.802151][T25439] __msan_chain_origin+0x57/0xa0 [ 1446.807129][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1446.812372][T25439] get_compat_msghdr+0x108/0x2b0 [ 1446.817326][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1446.822129][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.827434][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.832730][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1446.838426][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1446.843878][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1446.848675][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1446.853634][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1446.859459][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1446.865375][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1446.871509][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1446.877695][T25439] __do_fast_syscall_32+0x129/0x180 [ 1446.882926][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1446.887791][T25439] do_SYSENTER_32+0x73/0x90 [ 1446.892323][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1446.899289][T25439] RIP: 0023:0xf7f69549 [ 1446.903373][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1446.922988][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1446.931412][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1446.939431][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1446.947603][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1446.955585][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1446.963568][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1446.971620][T25439] Uninit was stored to memory at: [ 1446.976683][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1446.982425][T25439] __msan_chain_origin+0x57/0xa0 [ 1446.987379][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1446.992664][T25439] get_compat_msghdr+0x108/0x2b0 [ 1446.997679][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.002203][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.006978][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.015941][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.022461][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.027688][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.032548][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.037068][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.043408][T25439] [ 1447.045733][T25439] Uninit was stored to memory at: [ 1447.050796][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.056529][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.061483][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.066845][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.071863][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.076386][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.081121][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.087259][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.093511][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.098753][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.103625][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.108144][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.114498][T25439] [ 1447.116853][T25439] Uninit was stored to memory at: [ 1447.121902][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.127754][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.132736][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.137890][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.142873][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.147390][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.152090][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.158222][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.164413][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.169731][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.174629][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.179153][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.185505][T25439] [ 1447.187837][T25439] Uninit was stored to memory at: [ 1447.192888][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.199233][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.204187][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.209343][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.214295][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.219264][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.224093][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.230196][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.236372][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.241600][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.246581][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.251331][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.257748][T25439] [ 1447.260079][T25439] Uninit was stored to memory at: [ 1447.265311][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.271315][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.276461][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.281588][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.286532][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.291062][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.295775][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.301854][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.308028][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.313235][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.318128][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.322639][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.329061][T25439] [ 1447.331408][T25439] Uninit was stored to memory at: [ 1447.336467][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.342265][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.347227][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.352347][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.357315][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.361920][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.366606][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.372688][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.378851][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.386898][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.391777][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.397200][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.403551][T25439] [ 1447.405883][T25439] Uninit was stored to memory at: [ 1447.410939][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1447.416864][T25439] __msan_chain_origin+0x57/0xa0 [ 1447.421831][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1447.427440][T25439] get_compat_msghdr+0x108/0x2b0 [ 1447.432648][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1447.437176][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1447.441877][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.447965][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.454135][T25439] __do_fast_syscall_32+0x129/0x180 [ 1447.459376][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1447.464318][T25439] do_SYSENTER_32+0x73/0x90 [ 1447.468920][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1447.475359][T25439] [ 1447.477702][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1447.484394][T25439] do_recvmmsg+0xc2/0x22e0 [ 1447.488880][T25439] do_recvmmsg+0xc2/0x22e0 [ 1447.821316][T25438] not chained 310000 origins [ 1447.826061][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1447.834850][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1447.845101][T25438] Call Trace: [ 1447.848410][T25438] dump_stack+0x21c/0x280 [ 1447.852759][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1447.858507][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1447.864597][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.869851][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1447.875764][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1447.881851][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1447.887246][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.892522][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.897770][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1447.903440][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1447.909567][T25438] ? _copy_from_user+0x201/0x310 [ 1447.914529][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.920180][T25438] __msan_chain_origin+0x57/0xa0 [ 1447.925340][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1447.930728][T25438] get_compat_msghdr+0x108/0x2b0 [ 1447.935692][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1447.940209][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.945527][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.950890][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1447.956634][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1447.961994][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1447.966813][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1447.971534][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1447.977579][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1447.982798][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1447.988986][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1447.995217][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.000476][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.005342][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.009870][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.016205][T25438] RIP: 0023:0xf7f69549 [ 1448.020320][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1448.040457][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1448.049149][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1448.057176][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1448.065172][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1448.073150][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1448.081130][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1448.089111][T25438] Uninit was stored to memory at: [ 1448.094166][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.099892][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.104908][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.110033][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.114983][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.119492][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.124713][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.130974][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.138104][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.143309][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.148169][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.152713][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.159047][T25438] [ 1448.161376][T25438] Uninit was stored to memory at: [ 1448.167289][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.173016][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.178006][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.183144][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.188089][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.192602][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.197289][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.203717][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.209908][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.215825][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.220705][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.225262][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.231576][T25438] [ 1448.233902][T25438] Uninit was stored to memory at: [ 1448.238939][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.244762][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.249806][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.254946][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.259933][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.264470][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.269157][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.275235][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.281403][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.286621][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.291497][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.298436][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.304775][T25438] [ 1448.307099][T25438] Uninit was stored to memory at: [ 1448.312164][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.317935][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.322915][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.328046][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.332993][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.337505][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.342196][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.348304][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.354485][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.359700][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.364561][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.369077][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.375919][T25438] [ 1448.378251][T25438] Uninit was stored to memory at: [ 1448.383296][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.389089][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.394059][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.399194][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.404171][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.408700][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.413394][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.419483][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.426003][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.431400][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.436289][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.441010][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.447373][T25438] [ 1448.449845][T25438] Uninit was stored to memory at: [ 1448.454978][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.460714][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.465714][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.470890][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.476024][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.480555][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.485249][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.491425][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.497606][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.502816][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.507679][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.512635][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.518979][T25438] [ 1448.521331][T25438] Uninit was stored to memory at: [ 1448.526374][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1448.532138][T25438] __msan_chain_origin+0x57/0xa0 [ 1448.537354][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1448.542477][T25438] get_compat_msghdr+0x108/0x2b0 [ 1448.548386][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1448.552907][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1448.557612][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1448.563714][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1448.569891][T25438] __do_fast_syscall_32+0x129/0x180 [ 1448.575185][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1448.580073][T25438] do_SYSENTER_32+0x73/0x90 [ 1448.584623][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1448.590952][T25438] [ 1448.593283][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1448.600026][T25438] do_recvmmsg+0xc2/0x22e0 [ 1448.604455][T25438] do_recvmmsg+0xc2/0x22e0 [ 1449.403667][T25439] not chained 320000 origins [ 1449.408323][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1449.417007][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1449.427081][T25439] Call Trace: [ 1449.430493][T25439] dump_stack+0x21c/0x280 [ 1449.434850][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1449.440597][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1449.446687][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.451911][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1449.457748][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1449.463841][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1449.469241][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.474471][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1449.480130][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1449.486247][T25439] ? _copy_from_user+0x201/0x310 [ 1449.491212][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.496436][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.501408][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.506559][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.511534][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.516072][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.521310][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.526544][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1449.532207][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1449.537511][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1449.542473][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.547174][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1449.553000][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1449.558220][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.564314][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1449.570502][T25439] __do_fast_syscall_32+0x129/0x180 [ 1449.576074][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1449.581386][T25439] do_SYSENTER_32+0x73/0x90 [ 1449.585910][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1449.592247][T25439] RIP: 0023:0xf7f69549 [ 1449.596332][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1449.615955][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1449.624412][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1449.632428][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1449.640425][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1449.648426][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1449.656426][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1449.664423][T25439] Uninit was stored to memory at: [ 1449.669515][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1449.675269][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.680243][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.685398][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.690366][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.694896][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.699613][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.705711][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1449.711906][T25439] __do_fast_syscall_32+0x129/0x180 [ 1449.717157][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1449.722042][T25439] do_SYSENTER_32+0x73/0x90 [ 1449.726574][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1449.732907][T25439] [ 1449.735311][T25439] Uninit was stored to memory at: [ 1449.740492][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1449.746230][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.751183][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.756345][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.761335][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.765873][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.770565][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.776800][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1449.782974][T25439] __do_fast_syscall_32+0x129/0x180 [ 1449.788202][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1449.793061][T25439] do_SYSENTER_32+0x73/0x90 [ 1449.797592][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1449.807383][T25439] [ 1449.809794][T25439] Uninit was stored to memory at: [ 1449.814845][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1449.820572][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.825536][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.830656][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.835601][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.840129][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.844811][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.850892][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1449.857058][T25439] __do_fast_syscall_32+0x129/0x180 [ 1449.862264][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1449.868337][T25439] do_SYSENTER_32+0x73/0x90 [ 1449.872847][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1449.879250][T25439] [ 1449.881583][T25439] Uninit was stored to memory at: [ 1449.886627][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1449.892357][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.897307][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.902434][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.907384][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.911894][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.916583][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.923093][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1449.929346][T25439] __do_fast_syscall_32+0x129/0x180 [ 1449.934551][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1449.939406][T25439] do_SYSENTER_32+0x73/0x90 [ 1449.943918][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1449.950233][T25439] [ 1449.952557][T25439] Uninit was stored to memory at: [ 1449.957593][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1449.963318][T25439] __msan_chain_origin+0x57/0xa0 [ 1449.968258][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1449.973375][T25439] get_compat_msghdr+0x108/0x2b0 [ 1449.978320][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1449.982830][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1449.988418][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1449.994490][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.000657][T25439] __do_fast_syscall_32+0x129/0x180 [ 1450.005871][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1450.010740][T25439] do_SYSENTER_32+0x73/0x90 [ 1450.015257][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.021575][T25439] [ 1450.023905][T25439] Uninit was stored to memory at: [ 1450.028933][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1450.034669][T25439] __msan_chain_origin+0x57/0xa0 [ 1450.039614][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1450.044753][T25439] get_compat_msghdr+0x108/0x2b0 [ 1450.050212][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1450.054722][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1450.059429][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.065505][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.071671][T25439] __do_fast_syscall_32+0x129/0x180 [ 1450.076885][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1450.081748][T25439] do_SYSENTER_32+0x73/0x90 [ 1450.086259][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.092919][T25439] [ 1450.095242][T25439] Uninit was stored to memory at: [ 1450.100275][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1450.105999][T25439] __msan_chain_origin+0x57/0xa0 [ 1450.110968][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1450.116089][T25439] get_compat_msghdr+0x108/0x2b0 [ 1450.121118][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1450.125625][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1450.130312][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.136481][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.142730][T25439] __do_fast_syscall_32+0x129/0x180 [ 1450.147937][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1450.152794][T25439] do_SYSENTER_32+0x73/0x90 [ 1450.157332][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.163663][T25439] [ 1450.165985][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1450.172685][T25439] do_recvmmsg+0xc2/0x22e0 [ 1450.177120][T25439] do_recvmmsg+0xc2/0x22e0 [ 1450.264646][T25438] not chained 330000 origins [ 1450.269284][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1450.277954][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1450.288012][T25438] Call Trace: [ 1450.291316][T25438] dump_stack+0x21c/0x280 [ 1450.295649][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1450.301394][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1450.307483][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.312687][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1450.318495][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1450.324560][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1450.330192][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.335389][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.340587][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1450.346218][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1450.352285][T25438] ? _copy_from_user+0x201/0x310 [ 1450.357221][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.362770][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.367732][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.372856][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.377795][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.383548][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.388754][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.393948][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1450.399581][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1450.404863][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1450.409631][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.414319][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1450.420125][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1450.425328][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.431397][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.437570][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.442767][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.447616][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.452148][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.458471][T25438] RIP: 0023:0xf7f69549 [ 1450.462536][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1450.482158][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1450.490573][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1450.498543][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1450.506515][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1450.514486][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1450.522555][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1450.530533][T25438] Uninit was stored to memory at: [ 1450.535568][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.541286][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.546224][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.551334][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.556271][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.560887][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.565570][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.571646][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.577812][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.583010][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.587866][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.592394][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.598707][T25438] [ 1450.601027][T25438] Uninit was stored to memory at: [ 1450.606064][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.611813][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.617984][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.623276][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.628220][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.632730][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.637414][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.643491][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.649656][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.654858][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.659736][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.664239][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.670558][T25438] [ 1450.672900][T25438] Uninit was stored to memory at: [ 1450.677961][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.683687][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.688643][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.693750][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.698683][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.703202][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.707887][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.714075][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.720267][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.725471][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.730341][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.735221][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.742261][T25438] [ 1450.744597][T25438] Uninit was stored to memory at: [ 1450.749635][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.755371][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.760337][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.766203][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.771150][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.775666][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.780352][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.786430][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.792691][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.797896][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.802803][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.807335][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.813653][T25438] [ 1450.815974][T25438] Uninit was stored to memory at: [ 1450.821007][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.826755][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.831790][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.836910][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.841869][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.846368][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.851065][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.857148][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.863323][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.868537][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.873411][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.877929][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.884243][T25438] [ 1450.886562][T25438] Uninit was stored to memory at: [ 1450.891593][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.897413][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.902448][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.907558][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.912501][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.917006][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.921689][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.927778][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1450.933943][T25438] __do_fast_syscall_32+0x129/0x180 [ 1450.939151][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1450.944004][T25438] do_SYSENTER_32+0x73/0x90 [ 1450.948511][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1450.955431][T25438] [ 1450.957773][T25438] Uninit was stored to memory at: [ 1450.962844][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1450.968580][T25438] __msan_chain_origin+0x57/0xa0 [ 1450.973533][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1450.978660][T25438] get_compat_msghdr+0x108/0x2b0 [ 1450.983701][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1450.988205][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1450.992897][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1450.998983][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.005166][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.010416][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.015284][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.019805][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.026127][T25438] [ 1451.028976][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1451.035658][T25438] do_recvmmsg+0xc2/0x22e0 [ 1451.040077][T25438] do_recvmmsg+0xc2/0x22e0 [ 1451.354343][T25438] not chained 340000 origins [ 1451.358977][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1451.367643][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1451.377700][T25438] Call Trace: [ 1451.381006][T25438] dump_stack+0x21c/0x280 [ 1451.385430][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1451.391359][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1451.397490][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.402776][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1451.408660][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1451.414823][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1451.420250][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.425475][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1451.431157][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1451.437243][T25438] ? _copy_from_user+0x201/0x310 [ 1451.442215][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.447442][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.452398][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.457522][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.462477][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.466995][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.472226][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.477456][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1451.483108][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1451.488407][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1451.493182][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.497884][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1451.503707][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1451.508926][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.515017][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.521192][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.526694][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.531933][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.536479][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.542864][T25438] RIP: 0023:0xf7f69549 [ 1451.546987][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1451.566622][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1451.575191][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1451.583193][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1451.591193][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1451.599178][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1451.607161][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1451.615144][T25438] Uninit was stored to memory at: [ 1451.620281][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.626014][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.630965][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.636189][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.641148][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.645703][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.650434][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.656591][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.662791][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.668012][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.672909][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.677427][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.683751][T25438] [ 1451.686075][T25438] Uninit was stored to memory at: [ 1451.691137][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.696864][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.701817][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.706953][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.711998][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.716522][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.721225][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.727403][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.733581][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.738793][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.743652][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.748165][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.754483][T25438] [ 1451.756812][T25438] Uninit was stored to memory at: [ 1451.761858][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.767591][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.772541][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.777673][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.782660][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.787199][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.791935][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.798047][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.804236][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.809463][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.814335][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.818855][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.825186][T25438] [ 1451.827509][T25438] Uninit was stored to memory at: [ 1451.832543][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.838297][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.843254][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.848384][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.853331][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.857856][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.862540][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.868674][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.874879][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.880104][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.884968][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.889498][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.895900][T25438] [ 1451.898222][T25438] Uninit was stored to memory at: [ 1451.903266][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.909008][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.913983][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.919125][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.924075][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.928674][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1451.933379][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1451.939556][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1451.945753][T25438] __do_fast_syscall_32+0x129/0x180 [ 1451.950983][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1451.955842][T25438] do_SYSENTER_32+0x73/0x90 [ 1451.960554][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1451.966880][T25438] [ 1451.969209][T25438] Uninit was stored to memory at: [ 1451.974250][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1451.979991][T25438] __msan_chain_origin+0x57/0xa0 [ 1451.984965][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1451.990118][T25438] get_compat_msghdr+0x108/0x2b0 [ 1451.995176][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1451.999694][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1452.004394][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1452.010515][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1452.016696][T25438] __do_fast_syscall_32+0x129/0x180 [ 1452.021932][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1452.026845][T25438] do_SYSENTER_32+0x73/0x90 [ 1452.031382][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1452.037716][T25438] [ 1452.040042][T25438] Uninit was stored to memory at: [ 1452.045090][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1452.050850][T25438] __msan_chain_origin+0x57/0xa0 [ 1452.055814][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1452.060965][T25438] get_compat_msghdr+0x108/0x2b0 [ 1452.065937][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1452.070553][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1452.075251][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1452.081428][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1452.087602][T25438] __do_fast_syscall_32+0x129/0x180 [ 1452.092826][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1452.097703][T25438] do_SYSENTER_32+0x73/0x90 [ 1452.102260][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1452.109239][T25438] [ 1452.111617][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1452.118322][T25438] do_recvmmsg+0xc2/0x22e0 [ 1452.122765][T25438] do_recvmmsg+0xc2/0x22e0 [ 1453.524334][T25439] not chained 350000 origins [ 1453.528995][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1453.537696][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1453.547771][T25439] Call Trace: [ 1453.551128][T25439] dump_stack+0x21c/0x280 [ 1453.555515][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1453.561258][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1453.567338][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.572553][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1453.578487][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1453.584584][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1453.589993][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.595224][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.600449][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1453.606326][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1453.612427][T25439] ? _copy_from_user+0x201/0x310 [ 1453.617414][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.622643][T25439] __msan_chain_origin+0x57/0xa0 [ 1453.627639][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1453.632773][T25439] get_compat_msghdr+0x108/0x2b0 [ 1453.637724][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1453.642240][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.647450][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.652681][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1453.658357][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1453.663663][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1453.668437][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1453.673132][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1453.678961][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1453.684175][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1453.690270][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1453.696455][T25439] __do_fast_syscall_32+0x129/0x180 [ 1453.701688][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1453.706593][T25439] do_SYSENTER_32+0x73/0x90 [ 1453.711129][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1453.717472][T25439] RIP: 0023:0xf7f69549 [ 1453.721550][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1453.741364][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1453.749819][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1453.757819][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1453.765804][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1453.773808][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1453.781903][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1453.789903][T25439] Uninit was stored to memory at: [ 1453.794967][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1453.800716][T25439] __msan_chain_origin+0x57/0xa0 [ 1453.805667][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1453.810812][T25439] get_compat_msghdr+0x108/0x2b0 [ 1453.816143][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1453.820654][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1453.825962][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1453.832132][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1453.838305][T25439] __do_fast_syscall_32+0x129/0x180 [ 1453.843546][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1453.848422][T25439] do_SYSENTER_32+0x73/0x90 [ 1453.852935][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1453.859280][T25439] [ 1453.861602][T25439] Uninit was stored to memory at: [ 1453.866657][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1453.872383][T25439] __msan_chain_origin+0x57/0xa0 [ 1453.877334][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1453.882507][T25439] get_compat_msghdr+0x108/0x2b0 [ 1453.887449][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1453.891956][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1453.897597][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1453.903674][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1453.909838][T25439] __do_fast_syscall_32+0x129/0x180 [ 1453.915065][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1453.919925][T25439] do_SYSENTER_32+0x73/0x90 [ 1453.924441][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1453.930758][T25439] [ 1453.933080][T25439] Uninit was stored to memory at: [ 1453.938154][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1453.943877][T25439] __msan_chain_origin+0x57/0xa0 [ 1453.948971][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1453.954243][T25439] get_compat_msghdr+0x108/0x2b0 [ 1453.959319][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1453.963841][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1453.968544][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1453.974664][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1453.980845][T25439] __do_fast_syscall_32+0x129/0x180 [ 1453.986069][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1453.990951][T25439] do_SYSENTER_32+0x73/0x90 [ 1453.995582][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.001915][T25439] [ 1454.004254][T25439] Uninit was stored to memory at: [ 1454.009485][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1454.015238][T25439] __msan_chain_origin+0x57/0xa0 [ 1454.020229][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1454.025381][T25439] get_compat_msghdr+0x108/0x2b0 [ 1454.030353][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1454.034874][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1454.039636][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.045770][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.051997][T25439] __do_fast_syscall_32+0x129/0x180 [ 1454.057281][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1454.062492][T25439] do_SYSENTER_32+0x73/0x90 [ 1454.067056][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.073381][T25439] [ 1454.075709][T25439] Uninit was stored to memory at: [ 1454.080754][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1454.086495][T25439] __msan_chain_origin+0x57/0xa0 [ 1454.091477][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1454.096684][T25439] get_compat_msghdr+0x108/0x2b0 [ 1454.101650][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1454.106152][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1454.110836][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.116909][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.123070][T25439] __do_fast_syscall_32+0x129/0x180 [ 1454.128395][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1454.133349][T25439] do_SYSENTER_32+0x73/0x90 [ 1454.137861][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.144182][T25439] [ 1454.146508][T25439] Uninit was stored to memory at: [ 1454.151544][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1454.157124][T25438] not chained 360000 origins [ 1454.157391][T25439] __msan_chain_origin+0x57/0xa0 [ 1454.162406][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1454.167432][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1454.176202][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1454.181301][T25439] get_compat_msghdr+0x108/0x2b0 [ 1454.191321][T25438] Call Trace: [ 1454.196270][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1454.199634][T25438] dump_stack+0x21c/0x280 [ 1454.204219][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1454.208550][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1454.213197][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.218918][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1454.224942][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.231006][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.237164][T25439] __do_fast_syscall_32+0x129/0x180 [ 1454.242345][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1454.247545][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1454.253330][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1454.258156][T25439] do_SYSENTER_32+0x73/0x90 [ 1454.264214][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1454.268693][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.274042][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.280417][T25439] [ 1454.285616][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.287914][T25439] Uninit was stored to memory at: [ 1454.293151][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1454.298236][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1454.303860][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1454.309560][T25439] __msan_chain_origin+0x57/0xa0 [ 1454.315604][T25438] ? _copy_from_user+0x201/0x310 [ 1454.320530][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1454.325448][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.330551][T25439] get_compat_msghdr+0x108/0x2b0 [ 1454.335749][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.340674][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1454.345600][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.350080][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1454.355167][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.359819][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.364732][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.370777][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.375357][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.381489][T25439] __do_fast_syscall_32+0x129/0x180 [ 1454.386662][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.391839][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1454.397012][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1454.401841][T25439] do_SYSENTER_32+0x73/0x90 [ 1454.407450][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1454.411951][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.417206][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1454.423510][T25439] [ 1454.428266][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.430576][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1454.435245][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1454.441888][T25439] do_recvmmsg+0xc2/0x22e0 [ 1454.447677][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1454.452062][T25439] do_recvmmsg+0xc2/0x22e0 [ 1454.457245][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.467686][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.473855][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.479062][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.483928][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.488468][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.494809][T25438] RIP: 0023:0xf7f69549 [ 1454.498883][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1454.518507][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1454.526944][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1454.534926][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1454.542892][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1454.550861][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1454.558829][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1454.566820][T25438] Uninit was stored to memory at: [ 1454.571857][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.577573][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.582505][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.587609][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.592549][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.597044][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.601718][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.607783][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.613942][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.619152][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.623996][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.628520][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.636652][T25438] [ 1454.638966][T25438] Uninit was stored to memory at: [ 1454.643988][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.649721][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.654658][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.659766][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.664698][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.669194][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.673968][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.680037][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.686206][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.691401][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.696249][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.700752][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.707066][T25438] [ 1454.709390][T25438] Uninit was stored to memory at: [ 1454.714414][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.720129][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.725063][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.730184][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.735127][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.739629][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.744311][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.750377][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.756539][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.761743][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.766860][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.771815][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.778162][T25438] [ 1454.780493][T25438] Uninit was stored to memory at: [ 1454.785526][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.791244][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.796203][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.801322][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.806259][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.810755][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.815431][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.821500][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.827666][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.832864][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.837717][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.842226][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.848535][T25438] [ 1454.850849][T25438] Uninit was stored to memory at: [ 1454.855874][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.861597][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.866532][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.871654][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.876588][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.881087][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.885778][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.891858][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.898015][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.903222][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.908075][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.912596][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.918909][T25438] [ 1454.921225][T25438] Uninit was stored to memory at: [ 1454.926252][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1454.931966][T25438] __msan_chain_origin+0x57/0xa0 [ 1454.936905][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1454.942014][T25438] get_compat_msghdr+0x108/0x2b0 [ 1454.946947][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1454.951446][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1454.956123][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1454.962210][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1454.968374][T25438] __do_fast_syscall_32+0x129/0x180 [ 1454.973573][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1454.978426][T25438] do_SYSENTER_32+0x73/0x90 [ 1454.982942][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1454.989254][T25438] [ 1454.991608][T25438] Uninit was stored to memory at: [ 1454.996645][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1455.002364][T25438] __msan_chain_origin+0x57/0xa0 [ 1455.007306][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1455.012415][T25438] get_compat_msghdr+0x108/0x2b0 [ 1455.017358][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1455.021869][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1455.026569][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.032641][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.038798][T25438] __do_fast_syscall_32+0x129/0x180 [ 1455.043998][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1455.048849][T25438] do_SYSENTER_32+0x73/0x90 [ 1455.053355][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.059668][T25438] [ 1455.061989][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1455.068666][T25438] do_recvmmsg+0xc2/0x22e0 [ 1455.073103][T25438] do_recvmmsg+0xc2/0x22e0 [ 1455.446567][T25439] not chained 370000 origins [ 1455.451225][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1455.460708][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1455.470795][T25439] Call Trace: [ 1455.474105][T25439] dump_stack+0x21c/0x280 [ 1455.478454][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1455.484204][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1455.490304][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.495537][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1455.501451][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1455.507529][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1455.512910][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.518127][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1455.523853][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1455.529940][T25439] ? _copy_from_user+0x201/0x310 [ 1455.534897][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.540109][T25439] __msan_chain_origin+0x57/0xa0 [ 1455.545059][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1455.550179][T25439] get_compat_msghdr+0x108/0x2b0 [ 1455.555339][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1455.559866][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.565086][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.570296][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1455.575957][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1455.581293][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1455.586081][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1455.590861][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1455.596701][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1455.601932][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.608020][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.614194][T25439] __do_fast_syscall_32+0x129/0x180 [ 1455.619416][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1455.624274][T25439] do_SYSENTER_32+0x73/0x90 [ 1455.628792][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.635129][T25439] RIP: 0023:0xf7f69549 [ 1455.639205][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1455.658925][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1455.667384][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1455.675460][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1455.683442][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1455.691430][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1455.699421][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1455.707424][T25439] Uninit was stored to memory at: [ 1455.712466][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1455.718198][T25439] __msan_chain_origin+0x57/0xa0 [ 1455.723152][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1455.728361][T25439] get_compat_msghdr+0x108/0x2b0 [ 1455.733317][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1455.737908][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1455.742595][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.750595][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.756781][T25439] __do_fast_syscall_32+0x129/0x180 [ 1455.762171][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1455.767132][T25439] do_SYSENTER_32+0x73/0x90 [ 1455.771652][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.777983][T25439] [ 1455.780309][T25439] Uninit was stored to memory at: [ 1455.785495][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1455.791333][T25439] __msan_chain_origin+0x57/0xa0 [ 1455.796296][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1455.801775][T25439] get_compat_msghdr+0x108/0x2b0 [ 1455.806731][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1455.811244][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1455.816047][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.822167][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.828368][T25439] __do_fast_syscall_32+0x129/0x180 [ 1455.833595][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1455.838473][T25439] do_SYSENTER_32+0x73/0x90 [ 1455.842979][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.849289][T25439] [ 1455.851622][T25439] Uninit was stored to memory at: [ 1455.856654][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1455.862373][T25439] __msan_chain_origin+0x57/0xa0 [ 1455.867335][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1455.872720][T25439] get_compat_msghdr+0x108/0x2b0 [ 1455.878634][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1455.883150][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1455.887850][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.893972][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.900182][T25439] __do_fast_syscall_32+0x129/0x180 [ 1455.905464][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1455.910378][T25439] do_SYSENTER_32+0x73/0x90 [ 1455.914895][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.921241][T25439] [ 1455.923568][T25439] Uninit was stored to memory at: [ 1455.928604][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1455.934332][T25439] __msan_chain_origin+0x57/0xa0 [ 1455.939316][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1455.944447][T25439] get_compat_msghdr+0x108/0x2b0 [ 1455.949391][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1455.953894][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1455.958843][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1455.964925][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1455.971122][T25439] __do_fast_syscall_32+0x129/0x180 [ 1455.976342][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1455.981203][T25439] do_SYSENTER_32+0x73/0x90 [ 1455.985716][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1455.992038][T25439] [ 1455.994377][T25439] Uninit was stored to memory at: [ 1455.999422][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1456.005156][T25439] __msan_chain_origin+0x57/0xa0 [ 1456.010200][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1456.015334][T25439] get_compat_msghdr+0x108/0x2b0 [ 1456.020286][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1456.024806][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1456.029515][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1456.035600][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1456.041774][T25439] __do_fast_syscall_32+0x129/0x180 [ 1456.046987][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1456.051887][T25439] do_SYSENTER_32+0x73/0x90 [ 1456.057768][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1456.064107][T25439] [ 1456.066518][T25439] Uninit was stored to memory at: [ 1456.071642][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1456.077378][T25439] __msan_chain_origin+0x57/0xa0 [ 1456.082327][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1456.087533][T25439] get_compat_msghdr+0x108/0x2b0 [ 1456.092472][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1456.096986][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1456.101685][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1456.107798][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1456.113967][T25439] __do_fast_syscall_32+0x129/0x180 [ 1456.119174][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1456.124029][T25439] do_SYSENTER_32+0x73/0x90 [ 1456.128551][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1456.134871][T25439] [ 1456.137281][T25439] Uninit was stored to memory at: [ 1456.142316][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1456.148042][T25439] __msan_chain_origin+0x57/0xa0 [ 1456.152990][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1456.158113][T25439] get_compat_msghdr+0x108/0x2b0 [ 1456.163052][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1456.167942][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1456.172779][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1456.179065][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1456.185300][T25439] __do_fast_syscall_32+0x129/0x180 [ 1456.191236][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1456.196551][T25439] do_SYSENTER_32+0x73/0x90 [ 1456.201063][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1456.207378][T25439] [ 1456.209711][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1456.216394][T25439] do_recvmmsg+0xc2/0x22e0 [ 1456.220812][T25439] do_recvmmsg+0xc2/0x22e0 [ 1457.512714][T25439] not chained 380000 origins [ 1457.517347][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1457.526027][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1457.537075][T25439] Call Trace: [ 1457.540769][T25439] dump_stack+0x21c/0x280 [ 1457.545125][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1457.551220][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1457.557328][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.562641][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1457.568528][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1457.574604][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1457.580029][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.585325][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1457.591280][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1457.597372][T25439] ? _copy_from_user+0x201/0x310 [ 1457.603514][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.608953][T25439] __msan_chain_origin+0x57/0xa0 [ 1457.613938][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1457.619067][T25439] get_compat_msghdr+0x108/0x2b0 [ 1457.624110][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1457.628645][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.634993][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.640198][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1457.645926][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1457.651231][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1457.656193][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1457.660889][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1457.666810][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1457.672470][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1457.678568][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1457.684919][T25439] __do_fast_syscall_32+0x129/0x180 [ 1457.690142][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1457.695011][T25439] do_SYSENTER_32+0x73/0x90 [ 1457.699538][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1457.705870][T25439] RIP: 0023:0xf7f69549 [ 1457.709950][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1457.729566][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1457.738009][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1457.746012][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1457.754275][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1457.762260][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1457.770263][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1457.778515][T25439] Uninit was stored to memory at: [ 1457.783678][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1457.789420][T25439] __msan_chain_origin+0x57/0xa0 [ 1457.794383][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1457.799513][T25439] get_compat_msghdr+0x108/0x2b0 [ 1457.804638][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1457.809158][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1457.813862][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1457.819972][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1457.826154][T25439] __do_fast_syscall_32+0x129/0x180 [ 1457.831389][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1457.836252][T25439] do_SYSENTER_32+0x73/0x90 [ 1457.840767][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1457.847086][T25439] [ 1457.849931][T25439] Uninit was stored to memory at: [ 1457.854996][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1457.860961][T25439] __msan_chain_origin+0x57/0xa0 [ 1457.865965][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1457.871150][T25439] get_compat_msghdr+0x108/0x2b0 [ 1457.876103][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1457.880646][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1457.885539][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1457.891647][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1457.897832][T25439] __do_fast_syscall_32+0x129/0x180 [ 1457.903030][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1457.907932][T25439] do_SYSENTER_32+0x73/0x90 [ 1457.912455][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1457.918778][T25439] [ 1457.921103][T25439] Uninit was stored to memory at: [ 1457.926141][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1457.931881][T25439] __msan_chain_origin+0x57/0xa0 [ 1457.936839][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1457.941974][T25439] get_compat_msghdr+0x108/0x2b0 [ 1457.946915][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1457.951421][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1457.956123][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1457.962218][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1457.968424][T25439] __do_fast_syscall_32+0x129/0x180 [ 1457.973643][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1457.978522][T25439] do_SYSENTER_32+0x73/0x90 [ 1457.983050][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1457.990331][T25439] [ 1457.992674][T25439] Uninit was stored to memory at: [ 1457.997722][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1458.003497][T25439] __msan_chain_origin+0x57/0xa0 [ 1458.008462][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1458.013598][T25439] get_compat_msghdr+0x108/0x2b0 [ 1458.018582][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1458.023107][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1458.027816][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1458.033912][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1458.040098][T25439] __do_fast_syscall_32+0x129/0x180 [ 1458.045322][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1458.050220][T25439] do_SYSENTER_32+0x73/0x90 [ 1458.054753][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1458.061108][T25439] [ 1458.063452][T25439] Uninit was stored to memory at: [ 1458.068525][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1458.074788][T25439] __msan_chain_origin+0x57/0xa0 [ 1458.079744][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1458.084874][T25439] get_compat_msghdr+0x108/0x2b0 [ 1458.089824][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1458.094411][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1458.099129][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1458.105241][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1458.111438][T25439] __do_fast_syscall_32+0x129/0x180 [ 1458.116665][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1458.121542][T25439] do_SYSENTER_32+0x73/0x90 [ 1458.126193][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1458.132538][T25439] [ 1458.134865][T25439] Uninit was stored to memory at: [ 1458.139906][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1458.145632][T25439] __msan_chain_origin+0x57/0xa0 [ 1458.150571][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1458.155704][T25439] get_compat_msghdr+0x108/0x2b0 [ 1458.160642][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1458.165293][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1458.170097][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1458.176205][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1458.182402][T25439] __do_fast_syscall_32+0x129/0x180 [ 1458.187735][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1458.192618][T25439] do_SYSENTER_32+0x73/0x90 [ 1458.197159][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1458.203498][T25439] [ 1458.205828][T25439] Uninit was stored to memory at: [ 1458.211736][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1458.217810][T25439] __msan_chain_origin+0x57/0xa0 [ 1458.222765][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1458.227877][T25439] get_compat_msghdr+0x108/0x2b0 [ 1458.232823][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1458.237347][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1458.242040][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1458.248133][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1458.254499][T25439] __do_fast_syscall_32+0x129/0x180 [ 1458.259714][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1458.264572][T25439] do_SYSENTER_32+0x73/0x90 [ 1458.269133][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1458.275477][T25439] [ 1458.277819][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1458.284510][T25439] do_recvmmsg+0xc2/0x22e0 [ 1458.288976][T25439] do_recvmmsg+0xc2/0x22e0 [ 1458.784038][T25438] not chained 390000 origins [ 1458.788669][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1458.797419][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1458.807475][T25438] Call Trace: [ 1458.810775][T25438] dump_stack+0x21c/0x280 [ 1458.815114][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1458.820942][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1458.827021][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.832224][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1458.838060][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1458.844137][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1458.849519][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.854734][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1458.860374][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1458.866448][T25438] ? _copy_from_user+0x201/0x310 [ 1458.871418][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.876642][T25438] __msan_chain_origin+0x57/0xa0 [ 1458.881589][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1458.886715][T25438] get_compat_msghdr+0x108/0x2b0 [ 1458.891661][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1458.896176][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.901387][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.906589][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1458.912236][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1458.917896][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1458.922677][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1458.927365][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1458.933176][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1458.938383][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1458.944460][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1458.950624][T25438] __do_fast_syscall_32+0x129/0x180 [ 1458.955832][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1458.960697][T25438] do_SYSENTER_32+0x73/0x90 [ 1458.965211][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1458.971542][T25438] RIP: 0023:0xf7f69549 [ 1458.975614][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1458.995282][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1459.003704][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1459.011679][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1459.019654][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1459.027626][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1459.035659][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1459.043640][T25438] Uninit was stored to memory at: [ 1459.048680][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.054404][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.059354][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.064468][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.069413][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.073937][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.078712][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.084786][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.090944][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.096152][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.101013][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.105544][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.111861][T25438] [ 1459.114188][T25438] Uninit was stored to memory at: [ 1459.119310][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.125039][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.129987][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.135239][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.140184][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.144690][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.149375][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.155450][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.161609][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.166818][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.171680][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.176188][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.182506][T25438] [ 1459.184828][T25438] Uninit was stored to memory at: [ 1459.189883][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.195605][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.200545][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.205657][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.210594][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.215099][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.219799][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.225868][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.232046][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.237244][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.242101][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.246609][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.252922][T25438] [ 1459.255243][T25438] Uninit was stored to memory at: [ 1459.260274][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.265998][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.270938][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.276052][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.280987][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.285491][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.290186][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.296284][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.302445][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.307645][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.312503][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.317017][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.323334][T25438] [ 1459.325665][T25438] Uninit was stored to memory at: [ 1459.330698][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.336425][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.341384][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.346591][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.351530][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.356032][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.360715][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.366786][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.372957][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.378252][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.383139][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.387669][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.393994][T25438] [ 1459.396314][T25438] Uninit was stored to memory at: [ 1459.401344][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.407173][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.412119][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.417253][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.422191][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.426713][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.431414][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.437489][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.443650][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.448941][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.453795][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.458305][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.464618][T25438] [ 1459.466940][T25438] Uninit was stored to memory at: [ 1459.471976][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1459.477701][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.482644][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.487760][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.492698][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.497203][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.501883][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.507958][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1459.514119][T25438] __do_fast_syscall_32+0x129/0x180 [ 1459.519327][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1459.524210][T25438] do_SYSENTER_32+0x73/0x90 [ 1459.528718][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1459.535030][T25438] [ 1459.537355][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1459.544061][T25438] do_recvmmsg+0xc2/0x22e0 [ 1459.548483][T25438] do_recvmmsg+0xc2/0x22e0 [ 1459.834423][T25438] not chained 400000 origins [ 1459.839062][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1459.847735][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1459.857793][T25438] Call Trace: [ 1459.861100][T25438] dump_stack+0x21c/0x280 [ 1459.865444][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1459.871181][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1459.877272][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.882491][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1459.888313][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1459.894386][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1459.899818][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.905031][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1459.910707][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1459.916819][T25438] ? _copy_from_user+0x201/0x310 [ 1459.921773][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.926995][T25438] __msan_chain_origin+0x57/0xa0 [ 1459.931955][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1459.937143][T25438] get_compat_msghdr+0x108/0x2b0 [ 1459.942109][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1459.946644][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.951899][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.957202][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1459.963359][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1459.968818][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1459.973593][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1459.979756][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1459.985841][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1459.991078][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1459.997203][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.004649][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.009969][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.014855][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.019412][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.028017][T25438] RIP: 0023:0xf7f69549 [ 1460.032098][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1460.051897][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1460.060735][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1460.069093][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1460.077183][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1460.085437][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1460.093863][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1460.104977][T25438] Uninit was stored to memory at: [ 1460.110466][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.117809][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.123424][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.129789][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.135240][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.139757][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.144450][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.150709][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.157143][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.162379][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.167375][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.171921][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.178354][T25438] [ 1460.181146][T25438] Uninit was stored to memory at: [ 1460.186210][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.192044][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.197102][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.202705][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.209453][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.214061][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.218783][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.224868][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.231052][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.236522][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.241437][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.247723][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.255482][T25438] [ 1460.258850][T25438] Uninit was stored to memory at: [ 1460.263911][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.269669][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.274802][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.280385][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.285351][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.289866][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.294826][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.301006][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.308924][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.316825][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.321745][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.326953][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.335886][T25438] [ 1460.338214][T25438] Uninit was stored to memory at: [ 1460.343480][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.349232][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.354286][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.360922][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.366285][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.371101][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.376314][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.383117][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.389318][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.394568][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.399524][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.404227][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.411209][T25438] [ 1460.413569][T25438] Uninit was stored to memory at: [ 1460.418621][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.424966][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.430120][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.435277][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.440246][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.444934][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.449636][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.456947][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.463130][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.468354][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.473222][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.477754][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.484181][T25438] [ 1460.486881][T25438] Uninit was stored to memory at: [ 1460.492128][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.497885][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.503734][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.510137][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.515321][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.520018][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.525433][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.531950][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.538122][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.543352][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.548317][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.552846][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.559173][T25438] [ 1460.561509][T25438] Uninit was stored to memory at: [ 1460.566638][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1460.572402][T25438] __msan_chain_origin+0x57/0xa0 [ 1460.578308][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1460.583694][T25438] get_compat_msghdr+0x108/0x2b0 [ 1460.588731][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1460.593234][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1460.597923][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1460.604006][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1460.610266][T25438] __do_fast_syscall_32+0x129/0x180 [ 1460.615529][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1460.621736][T25438] do_SYSENTER_32+0x73/0x90 [ 1460.626339][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1460.633026][T25438] [ 1460.635365][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1460.642050][T25438] do_recvmmsg+0xc2/0x22e0 [ 1460.646484][T25438] do_recvmmsg+0xc2/0x22e0 [ 1460.939841][T25439] not chained 410000 origins [ 1460.944590][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1460.953269][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1460.963732][T25439] Call Trace: [ 1460.967357][T25439] dump_stack+0x21c/0x280 [ 1460.971877][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1460.977745][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1460.983943][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1460.989154][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1460.994993][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1461.001080][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1461.006470][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.011695][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.016996][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1461.022915][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1461.029110][T25439] ? _copy_from_user+0x201/0x310 [ 1461.034697][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.040446][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.045455][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.050590][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.055540][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.060067][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.065282][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.070532][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1461.076195][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1461.081498][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1461.086489][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.091194][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1461.097020][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1461.102311][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.108440][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.114715][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.119949][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.125202][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.129815][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.136240][T25439] RIP: 0023:0xf7f69549 [ 1461.140340][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1461.160046][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1461.168477][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1461.176885][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1461.184906][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1461.192899][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1461.200886][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1461.208973][T25439] Uninit was stored to memory at: [ 1461.214058][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.219898][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.224857][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.229987][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.234944][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.239456][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.244555][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.250652][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.256837][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.262214][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.267096][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.271621][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.277945][T25439] [ 1461.280335][T25439] Uninit was stored to memory at: [ 1461.285385][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.291132][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.296093][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.301318][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.306314][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.310868][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.315569][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.321669][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.327849][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.333102][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.337974][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.342525][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.348863][T25439] [ 1461.351236][T25439] Uninit was stored to memory at: [ 1461.356287][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.362039][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.367018][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.372179][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.377145][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.381672][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.387269][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.393476][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.399653][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.404969][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.409871][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.414427][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.420849][T25439] [ 1461.423180][T25439] Uninit was stored to memory at: [ 1461.428236][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.434090][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.439158][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.444287][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.449277][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.453834][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.458545][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.464657][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.470830][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.476048][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.481004][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.485525][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.491843][T25439] [ 1461.494171][T25439] Uninit was stored to memory at: [ 1461.499212][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.504960][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.509970][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.515108][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.520093][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.524631][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.529333][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.535419][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.541601][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.548296][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.553205][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.557745][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.564091][T25439] [ 1461.566420][T25439] Uninit was stored to memory at: [ 1461.571462][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.577808][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.582934][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.588063][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.593023][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.597534][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.602277][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.608372][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.614546][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.619783][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.624643][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.629163][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.635490][T25439] [ 1461.637822][T25439] Uninit was stored to memory at: [ 1461.642989][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1461.648740][T25439] __msan_chain_origin+0x57/0xa0 [ 1461.653724][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1461.658842][T25439] get_compat_msghdr+0x108/0x2b0 [ 1461.663786][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1461.668330][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1461.673025][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1461.679111][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1461.685375][T25439] __do_fast_syscall_32+0x129/0x180 [ 1461.690597][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1461.695467][T25439] do_SYSENTER_32+0x73/0x90 [ 1461.699984][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1461.706310][T25439] [ 1461.708643][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1461.715339][T25439] do_recvmmsg+0xc2/0x22e0 [ 1461.719804][T25439] do_recvmmsg+0xc2/0x22e0 [ 1462.754391][T25438] not chained 420000 origins [ 1462.759059][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1462.767739][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1462.777808][T25438] Call Trace: [ 1462.781245][T25438] dump_stack+0x21c/0x280 [ 1462.785630][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1462.791383][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1462.797516][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.802742][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1462.808590][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1462.814691][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1462.820095][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.825349][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1462.831024][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1462.837140][T25438] ? _copy_from_user+0x201/0x310 [ 1462.842123][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.847593][T25438] __msan_chain_origin+0x57/0xa0 [ 1462.852560][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1462.857701][T25438] get_compat_msghdr+0x108/0x2b0 [ 1462.862863][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1462.867398][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.872614][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.877821][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1462.883461][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1462.888749][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1462.893542][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1462.898265][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1462.904093][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1462.909313][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1462.915687][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1462.921872][T25438] __do_fast_syscall_32+0x129/0x180 [ 1462.927109][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1462.932002][T25438] do_SYSENTER_32+0x73/0x90 [ 1462.936625][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1462.943027][T25438] RIP: 0023:0xf7f69549 [ 1462.947129][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1462.966756][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1462.975543][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1462.983538][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1462.991536][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1462.999520][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1463.007509][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1463.015509][T25438] Uninit was stored to memory at: [ 1463.020565][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.026307][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.031262][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.036394][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.041955][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.046490][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.051190][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.057292][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.063463][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.068684][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.073561][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.078085][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.084410][T25438] [ 1463.086753][T25438] Uninit was stored to memory at: [ 1463.091897][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.097659][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.102785][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.108243][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.113396][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.117917][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.122612][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.128721][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.134915][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.140263][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.145132][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.149828][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.156146][T25438] [ 1463.158473][T25438] Uninit was stored to memory at: [ 1463.163515][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.169260][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.174216][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.179340][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.184292][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.188807][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.193513][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.199633][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.206157][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.211463][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.217223][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.221794][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.228498][T25438] [ 1463.230829][T25438] Uninit was stored to memory at: [ 1463.235878][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.241669][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.247634][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.253167][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.258339][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.262904][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.267637][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.273753][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.280036][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.285279][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.290340][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.294861][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.301747][T25438] [ 1463.304158][T25438] Uninit was stored to memory at: [ 1463.309951][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.316526][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.322488][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.328859][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.333837][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.338367][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.343165][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.349786][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.355973][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.361279][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.366142][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.370648][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.377072][T25438] [ 1463.379398][T25438] Uninit was stored to memory at: [ 1463.384458][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.390296][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.395250][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.400380][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.405325][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.409833][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.415066][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.421179][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.427350][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.432594][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.437555][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.442069][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.448390][T25438] [ 1463.450718][T25438] Uninit was stored to memory at: [ 1463.455751][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1463.461477][T25438] __msan_chain_origin+0x57/0xa0 [ 1463.466435][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1463.471546][T25438] get_compat_msghdr+0x108/0x2b0 [ 1463.476488][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1463.480992][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1463.485702][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.491771][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.498109][T25438] __do_fast_syscall_32+0x129/0x180 [ 1463.503312][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1463.508198][T25438] do_SYSENTER_32+0x73/0x90 [ 1463.512711][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.519025][T25438] [ 1463.521359][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1463.528032][T25438] do_recvmmsg+0xc2/0x22e0 [ 1463.532439][T25438] do_recvmmsg+0xc2/0x22e0 [ 1463.764549][T25439] not chained 430000 origins [ 1463.769194][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1463.777862][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1463.787950][T25439] Call Trace: [ 1463.791255][T25439] dump_stack+0x21c/0x280 [ 1463.795595][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1463.801329][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1463.807426][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.812642][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1463.818458][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1463.824533][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1463.829916][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.835125][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1463.840768][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1463.846845][T25439] ? _copy_from_user+0x201/0x310 [ 1463.851801][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.857027][T25439] __msan_chain_origin+0x57/0xa0 [ 1463.861988][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1463.867129][T25439] get_compat_msghdr+0x108/0x2b0 [ 1463.872077][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1463.876593][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.881818][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.887050][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1463.892687][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1463.898061][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1463.902830][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1463.907554][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1463.913373][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1463.918580][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1463.924769][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1463.930930][T25439] __do_fast_syscall_32+0x129/0x180 [ 1463.936135][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1463.941000][T25439] do_SYSENTER_32+0x73/0x90 [ 1463.945518][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1463.951853][T25439] RIP: 0023:0xf7f69549 [ 1463.955957][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1463.975571][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1463.983996][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1463.991973][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1463.999949][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1464.007928][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1464.015994][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1464.023972][T25439] Uninit was stored to memory at: [ 1464.029021][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.034782][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.039733][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.044860][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.049809][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.054350][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.059041][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.065122][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.071288][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.076501][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.081388][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.085907][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.092220][T25439] [ 1464.094548][T25439] Uninit was stored to memory at: [ 1464.099583][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.105312][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.110255][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.115372][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.120317][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.125089][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.129777][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.135881][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.142161][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.147376][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.152321][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.156932][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.163247][T25439] [ 1464.165569][T25439] Uninit was stored to memory at: [ 1464.170609][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.176341][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.181307][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.186443][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.191392][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.195909][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.200606][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.206735][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.213110][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.218334][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.223199][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.227750][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.234087][T25439] [ 1464.236411][T25439] Uninit was stored to memory at: [ 1464.241456][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.247185][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.252131][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.257261][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.262203][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.266738][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.271441][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.277521][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.283691][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.288961][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.293840][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.298379][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.304705][T25439] [ 1464.307029][T25439] Uninit was stored to memory at: [ 1464.312108][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.317957][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.322916][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.328052][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.333005][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.337515][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.342208][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.348298][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.354468][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.359690][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.364569][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.369091][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.375422][T25439] [ 1464.377747][T25439] Uninit was stored to memory at: [ 1464.382829][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.388559][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.393511][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.398631][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.403573][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.408079][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.412762][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.418834][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.425038][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.430265][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.435135][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.439653][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.445980][T25439] [ 1464.448309][T25439] Uninit was stored to memory at: [ 1464.453344][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1464.459108][T25439] __msan_chain_origin+0x57/0xa0 [ 1464.464097][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1464.469231][T25439] get_compat_msghdr+0x108/0x2b0 [ 1464.474181][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1464.478698][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1464.483744][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1464.489826][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1464.495995][T25439] __do_fast_syscall_32+0x129/0x180 [ 1464.501206][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1464.506067][T25439] do_SYSENTER_32+0x73/0x90 [ 1464.510582][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1464.516921][T25439] [ 1464.519248][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1464.525956][T25439] do_recvmmsg+0xc2/0x22e0 [ 1464.530382][T25439] do_recvmmsg+0xc2/0x22e0 [ 1464.850558][T25438] not chained 440000 origins [ 1464.855197][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1464.863905][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1464.874278][T25438] Call Trace: [ 1464.877644][T25438] dump_stack+0x21c/0x280 [ 1464.881999][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1464.887743][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1464.893926][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1464.899145][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1464.904998][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1464.911122][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1464.916516][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1464.921731][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1464.927380][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1464.933465][T25438] ? _copy_from_user+0x201/0x310 [ 1464.938428][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1464.943669][T25438] __msan_chain_origin+0x57/0xa0 [ 1464.948627][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1464.953849][T25438] get_compat_msghdr+0x108/0x2b0 [ 1464.958801][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1464.963328][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1464.968551][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1464.973857][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1464.979510][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1464.984808][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1464.989587][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1464.994282][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1465.000185][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1465.005458][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.011570][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.017742][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.022952][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.027835][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.032395][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.038742][T25438] RIP: 0023:0xf7f69549 [ 1465.042822][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1465.062438][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1465.071038][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1465.079042][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1465.087025][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1465.095001][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1465.102979][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1465.110974][T25438] Uninit was stored to memory at: [ 1465.116045][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.121840][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.126847][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.131992][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.136946][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.141454][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.146144][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.152221][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.158398][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.163609][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.168491][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.173002][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.179319][T25438] [ 1465.181649][T25438] Uninit was stored to memory at: [ 1465.186692][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.192458][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.197421][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.202547][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.207574][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.212112][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.216794][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.222875][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.229038][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.234238][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.239091][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.243604][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.249915][T25438] [ 1465.252263][T25438] Uninit was stored to memory at: [ 1465.257359][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.263204][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.268163][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.273589][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.278535][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.283050][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.287736][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.293808][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.299975][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.305177][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.310042][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.314559][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.320872][T25438] [ 1465.323194][T25438] Uninit was stored to memory at: [ 1465.328241][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.333966][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.338947][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.344141][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.349099][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.353614][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.358478][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.364562][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.370734][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.375969][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.384142][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.388655][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.394968][T25438] [ 1465.397286][T25438] Uninit was stored to memory at: [ 1465.402315][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.408066][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.413639][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.418759][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.423699][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.428310][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.433033][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.439125][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.445422][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.450648][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.455526][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.460045][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.466369][T25438] [ 1465.468691][T25438] Uninit was stored to memory at: [ 1465.473730][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.479500][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.484462][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.489700][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.494694][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.499395][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.504112][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.510192][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.516373][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.521769][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.526665][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.531190][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.537532][T25438] [ 1465.540136][T25438] Uninit was stored to memory at: [ 1465.545185][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1465.550946][T25438] __msan_chain_origin+0x57/0xa0 [ 1465.555899][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1465.561035][T25438] get_compat_msghdr+0x108/0x2b0 [ 1465.565990][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1465.570508][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1465.575202][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1465.581330][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1465.587552][T25438] __do_fast_syscall_32+0x129/0x180 [ 1465.592769][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1465.597636][T25438] do_SYSENTER_32+0x73/0x90 [ 1465.602173][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1465.608498][T25438] [ 1465.610852][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1465.617542][T25438] do_recvmmsg+0xc2/0x22e0 [ 1465.621986][T25438] do_recvmmsg+0xc2/0x22e0 [ 1465.956672][T25439] not chained 450000 origins [ 1465.961326][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1465.970010][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1465.980122][T25439] Call Trace: [ 1465.983448][T25439] dump_stack+0x21c/0x280 [ 1465.987937][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1465.993783][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1465.999903][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.005120][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1466.010958][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1466.017058][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1466.022456][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.027673][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1466.033324][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1466.039407][T25439] ? _copy_from_user+0x201/0x310 [ 1466.044359][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.049606][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.054592][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.059731][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.064692][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.069218][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.074470][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.079683][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1466.085331][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1466.090899][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1466.095687][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.100385][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1466.106211][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1466.111434][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.117634][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.123804][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.129029][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.133906][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.138442][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.144772][T25439] RIP: 0023:0xf7f69549 [ 1466.148846][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1466.168635][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1466.177062][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1466.185050][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1466.193210][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1466.201200][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1466.209180][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1466.217187][T25439] Uninit was stored to memory at: [ 1466.222282][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.228017][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.232975][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.238132][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.243082][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.247603][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.252383][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.258459][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.264652][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.269883][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.274777][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.279297][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.285787][T25439] [ 1466.288110][T25439] Uninit was stored to memory at: [ 1466.293150][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.298892][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.303841][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.308979][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.313963][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.318505][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.323215][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.329331][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.335502][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.340718][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.347030][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.351561][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.357885][T25439] [ 1466.360213][T25439] Uninit was stored to memory at: [ 1466.365265][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.371182][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.376147][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.381285][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.386344][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.390863][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.395562][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.401653][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.407826][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.413045][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.417909][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.422612][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.428937][T25439] [ 1466.431280][T25439] Uninit was stored to memory at: [ 1466.436436][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.442172][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.447384][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.452534][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.457491][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.462033][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.466797][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.474738][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.480913][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.486130][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.490992][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.495609][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.501959][T25439] [ 1466.504289][T25439] Uninit was stored to memory at: [ 1466.509337][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.515070][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.520025][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.525150][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.530106][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.534655][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.539381][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.545495][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.551720][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.556986][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.561858][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.566377][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.572703][T25439] [ 1466.575026][T25439] Uninit was stored to memory at: [ 1466.580070][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.585837][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.590798][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.595923][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.600880][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.605505][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.611756][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.617844][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.624124][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.629349][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.634221][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.638774][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.645532][T25439] [ 1466.647870][T25439] Uninit was stored to memory at: [ 1466.652938][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1466.658673][T25439] __msan_chain_origin+0x57/0xa0 [ 1466.663631][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1466.668760][T25439] get_compat_msghdr+0x108/0x2b0 [ 1466.673709][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1466.678219][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1466.682911][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1466.689344][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1466.695518][T25439] __do_fast_syscall_32+0x129/0x180 [ 1466.700734][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1466.705600][T25439] do_SYSENTER_32+0x73/0x90 [ 1466.710128][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1466.716514][T25439] [ 1466.718892][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1466.725610][T25439] do_recvmmsg+0xc2/0x22e0 [ 1466.730052][T25439] do_recvmmsg+0xc2/0x22e0 [ 1467.145948][T25438] not chained 460000 origins [ 1467.150595][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1467.159274][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1467.169341][T25438] Call Trace: [ 1467.172651][T25438] dump_stack+0x21c/0x280 [ 1467.176997][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1467.182745][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1467.188843][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.194068][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1467.199900][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1467.205999][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1467.211390][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.216612][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1467.222285][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1467.228381][T25438] ? _copy_from_user+0x201/0x310 [ 1467.233374][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.238619][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.243605][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.248750][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.253724][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.258256][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.263491][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.268724][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1467.274407][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1467.279709][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1467.284488][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.289188][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1467.295013][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1467.300231][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.306323][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.312530][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.318710][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.323583][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.328104][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.334474][T25438] RIP: 0023:0xf7f69549 [ 1467.338554][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1467.358173][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1467.367127][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1467.375115][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1467.383181][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1467.391884][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1467.400397][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1467.408383][T25438] Uninit was stored to memory at: [ 1467.413432][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.419165][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.424218][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.429351][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.434310][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.438849][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.443544][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.449629][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.455801][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.461020][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.466246][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.470766][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.477104][T25438] [ 1467.479449][T25438] Uninit was stored to memory at: [ 1467.484547][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.490354][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.495329][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.500464][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.505505][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.510026][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.514818][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.521016][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.527232][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.532492][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.537456][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.542014][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.548348][T25438] [ 1467.550718][T25438] Uninit was stored to memory at: [ 1467.555961][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.561740][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.566691][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.571821][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.576911][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.581758][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.586507][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.592610][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.598823][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.604056][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.608918][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.613459][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.619785][T25438] [ 1467.622198][T25438] Uninit was stored to memory at: [ 1467.627235][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.632970][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.637919][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.643034][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.647981][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.652486][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.657277][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.663353][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.669519][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.674730][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.679589][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.684102][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.690418][T25438] [ 1467.692741][T25438] Uninit was stored to memory at: [ 1467.697775][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.703518][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.708462][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.713577][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.718517][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.723020][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.727703][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.733798][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.739999][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.745225][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.750092][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.754644][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.760996][T25438] [ 1467.763354][T25438] Uninit was stored to memory at: [ 1467.768392][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.774147][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.779113][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.784232][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.789175][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.793686][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.798377][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.804493][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.810756][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.815956][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.820814][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.825327][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.831644][T25438] [ 1467.833970][T25438] Uninit was stored to memory at: [ 1467.839106][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1467.844833][T25438] __msan_chain_origin+0x57/0xa0 [ 1467.849774][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1467.854891][T25438] get_compat_msghdr+0x108/0x2b0 [ 1467.859836][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1467.864354][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1467.869037][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1467.876005][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1467.882171][T25438] __do_fast_syscall_32+0x129/0x180 [ 1467.887375][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1467.892233][T25438] do_SYSENTER_32+0x73/0x90 [ 1467.896742][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1467.903056][T25438] [ 1467.905382][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1467.912075][T25438] do_recvmmsg+0xc2/0x22e0 [ 1467.916495][T25438] do_recvmmsg+0xc2/0x22e0 [ 1468.124254][T25438] not chained 470000 origins [ 1468.128912][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1468.137584][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1468.147852][T25438] Call Trace: [ 1468.151349][T25438] dump_stack+0x21c/0x280 [ 1468.156049][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1468.161796][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1468.167892][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.173110][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1468.178923][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1468.184997][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1468.190436][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.195644][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1468.201285][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1468.207362][T25438] ? _copy_from_user+0x201/0x310 [ 1468.212314][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.217516][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.222465][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.227598][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.232551][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.237761][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.242977][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.248210][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1468.254031][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1468.259330][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1468.264100][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.268806][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1468.274634][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1468.279844][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.285926][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.292094][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.297308][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.302198][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.306722][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.313054][T25438] RIP: 0023:0xf7f69549 [ 1468.317130][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1468.336762][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1468.345184][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1468.353160][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1468.361135][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1468.369108][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1468.377086][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1468.385256][T25438] Uninit was stored to memory at: [ 1468.390307][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.396127][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.401070][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.406188][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.411129][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.415667][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.420354][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.426439][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.432604][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.437814][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.442674][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.447191][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.453507][T25438] [ 1468.455839][T25438] Uninit was stored to memory at: [ 1468.460900][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.466666][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.471621][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.476742][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.481700][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.486210][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.490904][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.497075][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.503243][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.508484][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.513349][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.517880][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.524201][T25438] [ 1468.526534][T25438] Uninit was stored to memory at: [ 1468.531708][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.537440][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.542399][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.547524][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.552480][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.556989][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.561854][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.567936][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.574133][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.579345][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.584206][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.588721][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.595064][T25438] [ 1468.597388][T25438] Uninit was stored to memory at: [ 1468.602706][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.608432][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.613378][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.618505][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.623447][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.627961][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.632651][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.638754][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.644926][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.650139][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.655001][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.659516][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.665840][T25438] [ 1468.668170][T25438] Uninit was stored to memory at: [ 1468.673217][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.678962][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.683909][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.689032][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.693976][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.698515][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.703208][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.709286][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.715459][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.720679][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.725549][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.730074][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.736394][T25438] [ 1468.738720][T25438] Uninit was stored to memory at: [ 1468.743762][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.749523][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.754482][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.759625][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.764624][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.769173][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.773960][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.780046][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.786217][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.791495][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.796377][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.800900][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.807327][T25438] [ 1468.809662][T25438] Uninit was stored to memory at: [ 1468.814707][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1468.820443][T25438] __msan_chain_origin+0x57/0xa0 [ 1468.825414][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1468.830585][T25438] get_compat_msghdr+0x108/0x2b0 [ 1468.835559][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1468.840090][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1468.844874][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1468.850956][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1468.857133][T25438] __do_fast_syscall_32+0x129/0x180 [ 1468.862454][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1468.867317][T25438] do_SYSENTER_32+0x73/0x90 [ 1468.871842][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1468.878163][T25438] [ 1468.880493][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1468.887207][T25438] do_recvmmsg+0xc2/0x22e0 [ 1468.891634][T25438] do_recvmmsg+0xc2/0x22e0 [ 1469.299158][T25439] not chained 480000 origins [ 1469.303831][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1469.312509][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1469.322579][T25439] Call Trace: [ 1469.325886][T25439] dump_stack+0x21c/0x280 [ 1469.330257][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1469.336013][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1469.342102][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.347336][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1469.353154][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1469.359271][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1469.364697][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1469.370529][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.375757][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1469.381424][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1469.387610][T25439] ? _copy_from_user+0x201/0x310 [ 1469.392581][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.397850][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.402818][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.407943][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.413000][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.417521][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.422741][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.427979][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1469.433660][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1469.438981][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1469.443812][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.448514][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1469.454477][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1469.459698][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.465791][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.471998][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.477223][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.482102][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.486711][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.493074][T25439] RIP: 0023:0xf7f69549 [ 1469.497184][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1469.517124][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1469.525571][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1469.533565][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1469.541556][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1469.549546][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1469.557560][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1469.565567][T25439] Uninit was stored to memory at: [ 1469.570618][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.576354][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.581322][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.586451][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.591429][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.595947][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.600652][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.607120][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.613306][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.618531][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.623415][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.627947][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.634272][T25439] [ 1469.636623][T25439] Uninit was stored to memory at: [ 1469.641688][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.647640][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.652708][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.658839][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.663816][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.668348][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.673048][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.679145][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.685328][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.690577][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.695628][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.700155][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.706704][T25439] [ 1469.709317][T25439] Uninit was stored to memory at: [ 1469.714796][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.720803][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.725771][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.730915][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.735898][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.740533][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.745463][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.751906][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.759728][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.764999][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.772027][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.776557][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.782913][T25439] [ 1469.785359][T25439] Uninit was stored to memory at: [ 1469.790413][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.796163][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.801252][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.806431][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.811616][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.816137][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.821797][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.827916][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.834554][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.839775][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.844652][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.849351][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.855761][T25439] [ 1469.858384][T25439] Uninit was stored to memory at: [ 1469.863613][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.869899][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.874952][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.880781][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.885808][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.890373][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.895357][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.901751][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.908808][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.914037][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.918945][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.923608][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1469.930365][T25439] [ 1469.932696][T25439] Uninit was stored to memory at: [ 1469.937935][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1469.943719][T25439] __msan_chain_origin+0x57/0xa0 [ 1469.948971][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1469.954204][T25439] get_compat_msghdr+0x108/0x2b0 [ 1469.959171][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1469.963700][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1469.968437][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1469.974906][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1469.981105][T25439] __do_fast_syscall_32+0x129/0x180 [ 1469.986332][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1469.991203][T25439] do_SYSENTER_32+0x73/0x90 [ 1469.995926][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.002250][T25439] [ 1470.004609][T25439] Uninit was stored to memory at: [ 1470.009680][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1470.017248][T25439] __msan_chain_origin+0x57/0xa0 [ 1470.022205][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1470.027377][T25439] get_compat_msghdr+0x108/0x2b0 [ 1470.032335][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1470.036870][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1470.041616][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.047941][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.054774][T25439] __do_fast_syscall_32+0x129/0x180 [ 1470.060012][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1470.064883][T25439] do_SYSENTER_32+0x73/0x90 [ 1470.069434][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.075786][T25439] [ 1470.078148][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1470.084867][T25439] do_recvmmsg+0xc2/0x22e0 [ 1470.089302][T25439] do_recvmmsg+0xc2/0x22e0 [ 1470.454749][T25438] not chained 490000 origins [ 1470.459403][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1470.468103][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1470.478221][T25438] Call Trace: [ 1470.481551][T25438] dump_stack+0x21c/0x280 [ 1470.485916][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1470.491690][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1470.497962][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.503216][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1470.509047][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1470.515155][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1470.520583][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.525801][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1470.531457][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1470.537699][T25438] ? _copy_from_user+0x201/0x310 [ 1470.542708][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.547925][T25438] __msan_chain_origin+0x57/0xa0 [ 1470.553146][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1470.558352][T25438] get_compat_msghdr+0x108/0x2b0 [ 1470.563340][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1470.567904][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.573125][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.578430][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1470.584082][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1470.589403][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1470.594416][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1470.599121][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1470.604947][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1470.610208][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.616339][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.622537][T25438] __do_fast_syscall_32+0x129/0x180 [ 1470.627860][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1470.632736][T25438] do_SYSENTER_32+0x73/0x90 [ 1470.637265][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.643609][T25438] RIP: 0023:0xf7f69549 [ 1470.647701][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1470.667331][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1470.675849][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1470.683834][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1470.691855][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1470.699868][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1470.707853][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1470.715852][T25438] Uninit was stored to memory at: [ 1470.720905][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1470.726664][T25438] __msan_chain_origin+0x57/0xa0 [ 1470.731620][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1470.736752][T25438] get_compat_msghdr+0x108/0x2b0 [ 1470.741708][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1470.746230][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1470.750945][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.757049][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.763237][T25438] __do_fast_syscall_32+0x129/0x180 [ 1470.768462][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1470.773425][T25438] do_SYSENTER_32+0x73/0x90 [ 1470.777954][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.784278][T25438] [ 1470.786612][T25438] Uninit was stored to memory at: [ 1470.791753][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1470.797499][T25438] __msan_chain_origin+0x57/0xa0 [ 1470.802453][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1470.807597][T25438] get_compat_msghdr+0x108/0x2b0 [ 1470.812577][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1470.817103][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1470.821789][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.828009][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.834195][T25438] __do_fast_syscall_32+0x129/0x180 [ 1470.839424][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1470.844283][T25438] do_SYSENTER_32+0x73/0x90 [ 1470.848799][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.855135][T25438] [ 1470.857547][T25438] Uninit was stored to memory at: [ 1470.862581][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1470.868326][T25438] __msan_chain_origin+0x57/0xa0 [ 1470.873272][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1470.878402][T25438] get_compat_msghdr+0x108/0x2b0 [ 1470.883359][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1470.887876][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1470.892554][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.898624][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.904836][T25438] __do_fast_syscall_32+0x129/0x180 [ 1470.910079][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1470.914937][T25438] do_SYSENTER_32+0x73/0x90 [ 1470.919452][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.925768][T25438] [ 1470.928124][T25438] Uninit was stored to memory at: [ 1470.933171][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1470.938909][T25438] __msan_chain_origin+0x57/0xa0 [ 1470.943870][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1470.949010][T25438] get_compat_msghdr+0x108/0x2b0 [ 1470.953973][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1470.958487][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1470.963198][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1470.969307][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1470.975573][T25438] __do_fast_syscall_32+0x129/0x180 [ 1470.980795][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1470.985663][T25438] do_SYSENTER_32+0x73/0x90 [ 1470.990185][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1470.996511][T25438] [ 1470.998850][T25438] Uninit was stored to memory at: [ 1471.003910][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1471.009637][T25438] __msan_chain_origin+0x57/0xa0 [ 1471.014602][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1471.019762][T25438] get_compat_msghdr+0x108/0x2b0 [ 1471.024716][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1471.029233][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1471.033939][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1471.040059][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1471.046789][T25438] __do_fast_syscall_32+0x129/0x180 [ 1471.052037][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1471.056995][T25438] do_SYSENTER_32+0x73/0x90 [ 1471.061519][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1471.067846][T25438] [ 1471.070197][T25438] Uninit was stored to memory at: [ 1471.075253][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1471.081042][T25438] __msan_chain_origin+0x57/0xa0 [ 1471.085996][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1471.091129][T25438] get_compat_msghdr+0x108/0x2b0 [ 1471.096083][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1471.100599][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1471.105309][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1471.111406][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1471.117598][T25438] __do_fast_syscall_32+0x129/0x180 [ 1471.122985][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1471.127859][T25438] do_SYSENTER_32+0x73/0x90 [ 1471.132373][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1471.138705][T25438] [ 1471.141032][T25438] Uninit was stored to memory at: [ 1471.146099][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1471.151928][T25438] __msan_chain_origin+0x57/0xa0 [ 1471.156977][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1471.162150][T25438] get_compat_msghdr+0x108/0x2b0 [ 1471.167156][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1471.171691][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1471.176559][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1471.182653][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1471.188826][T25438] __do_fast_syscall_32+0x129/0x180 [ 1471.194043][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1471.198991][T25438] do_SYSENTER_32+0x73/0x90 [ 1471.203537][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1471.209865][T25438] [ 1471.212280][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1471.218964][T25438] do_recvmmsg+0xc2/0x22e0 [ 1471.223393][T25438] do_recvmmsg+0xc2/0x22e0 [ 1471.733596][T25438] not chained 500000 origins [ 1471.739662][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1471.749335][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1471.759522][T25438] Call Trace: [ 1471.762840][T25438] dump_stack+0x21c/0x280 [ 1471.767200][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1471.772949][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1471.779095][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.784333][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1471.790167][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1471.796279][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1471.801795][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.807022][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1471.812701][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1471.818833][T25438] ? _copy_from_user+0x201/0x310 [ 1471.823798][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.829030][T25438] __msan_chain_origin+0x57/0xa0 [ 1471.833997][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1471.839167][T25438] get_compat_msghdr+0x108/0x2b0 [ 1471.844134][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1471.848665][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.853892][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.859203][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1471.864878][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1471.870228][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1471.875022][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1471.879740][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1471.885578][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1471.890796][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1471.896886][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1471.903077][T25438] __do_fast_syscall_32+0x129/0x180 [ 1471.908300][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1471.913170][T25438] do_SYSENTER_32+0x73/0x90 [ 1471.917698][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1471.924046][T25438] RIP: 0023:0xf7f69549 [ 1471.928129][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1471.947835][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1471.956301][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1471.964987][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1471.972977][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1471.980983][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1471.989002][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1471.997099][T25438] Uninit was stored to memory at: [ 1472.002145][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.007874][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.012833][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.017955][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.022904][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.027412][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.032107][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.038207][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.044373][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.049762][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.054651][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.059188][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.065943][T25438] [ 1472.068277][T25438] Uninit was stored to memory at: [ 1472.073316][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.079054][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.083996][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.089113][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.094177][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.098766][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.103541][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.109916][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.116100][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.121324][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.126201][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.130732][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.137066][T25438] [ 1472.139409][T25438] Uninit was stored to memory at: [ 1472.144497][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.150247][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.155218][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.160359][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.165323][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.169850][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.174560][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.180635][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.186841][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.192128][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.197029][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.201598][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.208548][T25438] [ 1472.210901][T25438] Uninit was stored to memory at: [ 1472.216060][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.221814][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.228085][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.233212][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.238155][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.242662][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.247347][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.253420][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.259606][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.264815][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.269678][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.274195][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.280512][T25438] [ 1472.282835][T25438] Uninit was stored to memory at: [ 1472.287881][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.293624][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.298567][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.303685][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.308622][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.313128][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.320334][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.326406][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.332565][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.337770][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.342629][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.347138][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.353452][T25438] [ 1472.355964][T25438] Uninit was stored to memory at: [ 1472.361002][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.366735][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.371679][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.376802][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.381867][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.386370][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.391066][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.397411][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.403678][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.408884][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.413735][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.418256][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.424567][T25438] [ 1472.426884][T25438] Uninit was stored to memory at: [ 1472.431933][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1472.437655][T25438] __msan_chain_origin+0x57/0xa0 [ 1472.442591][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1472.447786][T25438] get_compat_msghdr+0x108/0x2b0 [ 1472.452721][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1472.457226][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1472.461909][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1472.467991][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1472.474149][T25438] __do_fast_syscall_32+0x129/0x180 [ 1472.479349][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1472.484207][T25438] do_SYSENTER_32+0x73/0x90 [ 1472.488712][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1472.495121][T25438] [ 1472.497451][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1472.504127][T25438] do_recvmmsg+0xc2/0x22e0 [ 1472.508537][T25438] do_recvmmsg+0xc2/0x22e0 [ 1472.939391][T25439] not chained 510000 origins [ 1472.944192][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1472.952892][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1472.962956][T25439] Call Trace: [ 1472.966349][T25439] dump_stack+0x21c/0x280 [ 1472.970692][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1472.976433][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1472.982520][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1472.987754][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1472.993587][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1472.999757][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1473.005150][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.010378][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1473.016016][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1473.022091][T25439] ? _copy_from_user+0x201/0x310 [ 1473.027037][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.032254][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.037202][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.042364][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.047309][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.051834][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.057056][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.062266][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1473.067901][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1473.073199][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1473.077971][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.082683][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1473.088500][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.093716][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.099823][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.105994][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.111213][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.116139][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.120710][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.127058][T25439] RIP: 0023:0xf7f69549 [ 1473.131132][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1473.150747][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1473.159175][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1473.167158][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1473.175241][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1473.183253][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1473.191693][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1473.199802][T25439] Uninit was stored to memory at: [ 1473.204847][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.210568][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.215520][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.220633][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.225671][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.230187][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.234866][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.240937][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.248251][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.253481][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.258356][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.262870][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.269361][T25439] [ 1473.271686][T25439] Uninit was stored to memory at: [ 1473.276722][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.282458][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.287422][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.292538][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.297510][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.302034][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.306734][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.312833][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.319039][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.324249][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.329107][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.333610][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.339921][T25439] [ 1473.342238][T25439] Uninit was stored to memory at: [ 1473.347280][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.353019][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.357974][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.363089][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.368029][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.372529][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.377242][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.383318][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.389490][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.394686][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.399554][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.404671][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.411039][T25439] [ 1473.413386][T25439] Uninit was stored to memory at: [ 1473.418857][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.424580][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.429525][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.434648][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.439587][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.444097][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.448796][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.454902][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.461078][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.466281][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.471140][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.475684][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.482086][T25439] [ 1473.484412][T25439] Uninit was stored to memory at: [ 1473.489449][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.495260][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.500202][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.505322][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.510273][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.514781][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.519466][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.525546][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.531719][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.536952][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.541828][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.546533][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.552854][T25439] [ 1473.555175][T25439] Uninit was stored to memory at: [ 1473.560218][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.565939][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.570878][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.575988][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.580941][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.585444][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.590145][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.596218][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.602464][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.607741][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.612658][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.617267][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.623625][T25439] [ 1473.626039][T25439] Uninit was stored to memory at: [ 1473.631095][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1473.636994][T25439] __msan_chain_origin+0x57/0xa0 [ 1473.641943][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1473.647070][T25439] get_compat_msghdr+0x108/0x2b0 [ 1473.652027][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1473.656563][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1473.661246][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1473.667334][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1473.673516][T25439] __do_fast_syscall_32+0x129/0x180 [ 1473.678720][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1473.683583][T25439] do_SYSENTER_32+0x73/0x90 [ 1473.688097][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1473.694421][T25439] [ 1473.696742][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1473.703419][T25439] do_recvmmsg+0xc2/0x22e0 [ 1473.707839][T25439] do_recvmmsg+0xc2/0x22e0 [ 1473.927491][T25439] not chained 520000 origins [ 1473.932152][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1473.940824][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1473.951144][T25439] Call Trace: [ 1473.954452][T25439] dump_stack+0x21c/0x280 [ 1473.958792][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1473.964535][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1473.970746][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.976053][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1473.981882][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1473.987963][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1473.993347][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1473.998630][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1474.003873][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1474.009530][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1474.015629][T25439] ? _copy_from_user+0x201/0x310 [ 1474.020581][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1474.025836][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.030797][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.035943][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.040912][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.045496][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1474.050709][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1474.056000][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1474.061640][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1474.066930][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1474.071693][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.076380][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1474.082201][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1474.087437][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.093516][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.099711][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.105000][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.109934][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.114545][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.120922][T25439] RIP: 0023:0xf7f69549 [ 1474.124999][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1474.144619][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1474.153140][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1474.161124][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1474.169129][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1474.177122][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1474.185113][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1474.193114][T25439] Uninit was stored to memory at: [ 1474.198163][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.203893][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.208840][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.214567][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.219507][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.224028][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.228712][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.234814][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.241041][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.246285][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.251171][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.255691][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.262015][T25439] [ 1474.264353][T25439] Uninit was stored to memory at: [ 1474.269390][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.275123][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.280063][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.285182][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.290143][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.294668][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.299368][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.305458][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.311634][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.316847][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.321740][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.326307][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.332805][T25439] [ 1474.335213][T25439] Uninit was stored to memory at: [ 1474.340331][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.346235][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.351186][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.356316][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.361261][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.365761][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.370538][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.376607][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.382783][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.387981][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.392880][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.397440][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.403757][T25439] [ 1474.406094][T25439] Uninit was stored to memory at: [ 1474.411659][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.417395][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.422367][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.427591][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.432539][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.437057][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.441758][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.447831][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.453990][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.459216][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.464088][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.468611][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.474952][T25439] [ 1474.477310][T25439] Uninit was stored to memory at: [ 1474.484226][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.489954][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.494903][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.500290][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.505250][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.509772][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.514456][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.520542][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.526801][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.532272][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.537121][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.541624][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.547945][T25439] [ 1474.550444][T25439] Uninit was stored to memory at: [ 1474.555517][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.562214][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.567470][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.572596][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.577538][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.582062][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.587469][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.593849][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.600028][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.605880][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.611700][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.616507][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.622841][T25439] [ 1474.625175][T25439] Uninit was stored to memory at: [ 1474.630209][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1474.635949][T25439] __msan_chain_origin+0x57/0xa0 [ 1474.640998][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1474.646216][T25439] get_compat_msghdr+0x108/0x2b0 [ 1474.651500][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1474.656000][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1474.660682][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1474.666769][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1474.672956][T25439] __do_fast_syscall_32+0x129/0x180 [ 1474.678163][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1474.683010][T25439] do_SYSENTER_32+0x73/0x90 [ 1474.687526][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1474.693840][T25439] [ 1474.696163][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1474.702840][T25439] do_recvmmsg+0xc2/0x22e0 [ 1474.707247][T25439] do_recvmmsg+0xc2/0x22e0 [ 1475.146014][T25439] not chained 530000 origins [ 1475.150656][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1475.159330][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1475.169405][T25439] Call Trace: [ 1475.174505][T25439] dump_stack+0x21c/0x280 [ 1475.178880][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1475.184619][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1475.190703][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.195941][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1475.201760][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1475.207840][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1475.213227][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.218537][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1475.224315][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1475.230414][T25439] ? _copy_from_user+0x201/0x310 [ 1475.235457][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.240690][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.245765][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.250926][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.255886][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.260412][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.265625][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.270845][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1475.277389][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1475.282691][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1475.287465][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.292159][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1475.297989][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1475.303231][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.309314][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.316841][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.324120][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.329833][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.334886][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.344543][T25439] RIP: 0023:0xf7f69549 [ 1475.349414][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1475.369585][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1475.378020][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1475.386988][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1475.395077][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1475.403067][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1475.411144][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1475.419488][T25439] Uninit was stored to memory at: [ 1475.424739][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.430484][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.435449][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.440748][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.445721][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.450261][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.454970][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.461070][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.467255][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.472464][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.478046][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.482588][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.488908][T25439] [ 1475.491241][T25439] Uninit was stored to memory at: [ 1475.496414][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.502187][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.507204][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.512671][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.518494][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.523549][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.529119][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.535214][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.541404][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.546633][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.551524][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.556069][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.562397][T25439] [ 1475.564734][T25439] Uninit was stored to memory at: [ 1475.569775][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.575500][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.580766][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.585891][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.590840][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.595348][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.600036][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.606119][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.612293][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.617628][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.622612][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.627151][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.633483][T25439] [ 1475.636104][T25439] Uninit was stored to memory at: [ 1475.641142][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.646875][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.651842][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.656997][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.661997][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.666526][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.671234][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.677425][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.683629][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.688856][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.693767][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.698320][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.704899][T25439] [ 1475.707229][T25439] Uninit was stored to memory at: [ 1475.712272][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.718000][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.722953][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.728075][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.733030][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.737711][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.742397][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.748485][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.754684][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.759900][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.764997][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.769526][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.776474][T25439] [ 1475.778802][T25439] Uninit was stored to memory at: [ 1475.783921][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.789676][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.794652][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.799819][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.804774][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.809503][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.814193][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.820301][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.826563][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.832320][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.837271][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.841785][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.848127][T25439] [ 1475.850471][T25439] Uninit was stored to memory at: [ 1475.855535][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1475.861270][T25439] __msan_chain_origin+0x57/0xa0 [ 1475.866317][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1475.871632][T25439] get_compat_msghdr+0x108/0x2b0 [ 1475.876584][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1475.881100][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1475.885794][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1475.891881][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1475.898049][T25439] __do_fast_syscall_32+0x129/0x180 [ 1475.903270][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1475.908157][T25439] do_SYSENTER_32+0x73/0x90 [ 1475.912794][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1475.919148][T25439] [ 1475.921483][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1475.928189][T25439] do_recvmmsg+0xc2/0x22e0 [ 1475.932621][T25439] do_recvmmsg+0xc2/0x22e0 [ 1476.535667][T25439] not chained 540000 origins [ 1476.540328][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1476.549010][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1476.559092][T25439] Call Trace: [ 1476.562455][T25439] dump_stack+0x21c/0x280 [ 1476.567036][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1476.572796][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1476.578930][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.584232][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1476.590078][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1476.596344][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1476.601738][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.606963][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1476.612623][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1476.618709][T25439] ? _copy_from_user+0x201/0x310 [ 1476.623668][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.628972][T25439] __msan_chain_origin+0x57/0xa0 [ 1476.633926][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1476.639059][T25439] get_compat_msghdr+0x108/0x2b0 [ 1476.644007][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1476.648528][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.653757][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.658970][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1476.664618][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1476.669911][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1476.675484][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1476.680218][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1476.686228][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1476.691445][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1476.697547][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1476.703721][T25439] __do_fast_syscall_32+0x129/0x180 [ 1476.708932][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1476.713787][T25439] do_SYSENTER_32+0x73/0x90 [ 1476.718300][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1476.724626][T25439] RIP: 0023:0xf7f69549 [ 1476.728703][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1476.748318][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1476.756760][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1476.764744][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1476.773162][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1476.781230][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1476.789236][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1476.797213][T25439] Uninit was stored to memory at: [ 1476.802253][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1476.808007][T25439] __msan_chain_origin+0x57/0xa0 [ 1476.812955][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1476.818072][T25439] get_compat_msghdr+0x108/0x2b0 [ 1476.823018][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1476.827523][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1476.832213][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1476.838316][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1476.844480][T25439] __do_fast_syscall_32+0x129/0x180 [ 1476.849689][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1476.854544][T25439] do_SYSENTER_32+0x73/0x90 [ 1476.859051][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1476.865454][T25439] [ 1476.867778][T25439] Uninit was stored to memory at: [ 1476.872810][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1476.878537][T25439] __msan_chain_origin+0x57/0xa0 [ 1476.883493][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1476.888621][T25439] get_compat_msghdr+0x108/0x2b0 [ 1476.893565][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1476.898067][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1476.902749][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1476.908820][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1476.915238][T25439] __do_fast_syscall_32+0x129/0x180 [ 1476.920451][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1476.925350][T25439] do_SYSENTER_32+0x73/0x90 [ 1476.929879][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1476.936193][T25439] [ 1476.938515][T25439] Uninit was stored to memory at: [ 1476.943546][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1476.949359][T25439] __msan_chain_origin+0x57/0xa0 [ 1476.954304][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1476.959426][T25439] get_compat_msghdr+0x108/0x2b0 [ 1476.964389][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1476.968898][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1476.973957][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1476.980560][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1476.986725][T25439] __do_fast_syscall_32+0x129/0x180 [ 1476.991960][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1476.996836][T25439] do_SYSENTER_32+0x73/0x90 [ 1477.001358][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.008065][T25439] [ 1477.010387][T25439] Uninit was stored to memory at: [ 1477.015426][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1477.021162][T25439] __msan_chain_origin+0x57/0xa0 [ 1477.026129][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1477.031248][T25439] get_compat_msghdr+0x108/0x2b0 [ 1477.036189][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1477.040698][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1477.045470][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.051549][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.057723][T25439] __do_fast_syscall_32+0x129/0x180 [ 1477.062926][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1477.067782][T25439] do_SYSENTER_32+0x73/0x90 [ 1477.072298][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.078639][T25439] [ 1477.080961][T25439] Uninit was stored to memory at: [ 1477.085999][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1477.091724][T25439] __msan_chain_origin+0x57/0xa0 [ 1477.096671][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1477.101786][T25439] get_compat_msghdr+0x108/0x2b0 [ 1477.106727][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1477.111229][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1477.115911][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.121993][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.128158][T25439] __do_fast_syscall_32+0x129/0x180 [ 1477.133381][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1477.138242][T25439] do_SYSENTER_32+0x73/0x90 [ 1477.142771][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.149102][T25439] [ 1477.151433][T25439] Uninit was stored to memory at: [ 1477.156483][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1477.162312][T25439] __msan_chain_origin+0x57/0xa0 [ 1477.166168][T25438] not chained 550000 origins [ 1477.167275][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1477.171937][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1477.177035][T25439] get_compat_msghdr+0x108/0x2b0 [ 1477.186284][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1477.191219][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1477.201250][T25438] Call Trace: [ 1477.205758][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1477.209026][T25438] dump_stack+0x21c/0x280 [ 1477.213706][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.218024][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1477.224075][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.229774][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1477.235909][T25439] __do_fast_syscall_32+0x129/0x180 [ 1477.242042][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.247224][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1477.252408][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1477.257247][T25439] do_SYSENTER_32+0x73/0x90 [ 1477.263052][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1477.267537][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.273603][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1477.279907][T25439] [ 1477.285290][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.287679][T25439] Uninit was stored to memory at: [ 1477.292867][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.297873][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1477.303051][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1477.308757][T25439] __msan_chain_origin+0x57/0xa0 [ 1477.314375][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1477.319384][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1477.325453][T25438] ? _copy_from_user+0x201/0x310 [ 1477.331255][T25439] get_compat_msghdr+0x108/0x2b0 [ 1477.336195][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.341116][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1477.346305][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.350784][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1477.355707][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.360366][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.365452][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.371534][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.376538][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.382700][T25439] __do_fast_syscall_32+0x129/0x180 [ 1477.387284][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.392477][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1477.397662][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.402501][T25439] do_SYSENTER_32+0x73/0x90 [ 1477.407684][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1477.412184][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.417797][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1477.424095][T25439] [ 1477.429408][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1477.431712][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1477.436476][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.443144][T25439] do_recvmmsg+0xc2/0x22e0 [ 1477.447863][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1477.452257][T25439] do_recvmmsg+0xc2/0x22e0 [ 1477.458055][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1477.467657][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.473761][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.479937][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.485685][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.490545][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.495060][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.501433][T25438] RIP: 0023:0xf7f69549 [ 1477.505510][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1477.525121][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1477.533557][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1477.541551][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1477.549633][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1477.557615][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1477.565688][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1477.573685][T25438] Uninit was stored to memory at: [ 1477.578831][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.584561][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.589506][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.595527][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.600509][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.605027][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.609716][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.615794][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.623111][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.628362][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.633343][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.637957][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.644274][T25438] [ 1477.646697][T25438] Uninit was stored to memory at: [ 1477.651741][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.657560][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.662514][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.667731][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.672684][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.677197][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.681884][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.687970][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.694160][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.699384][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.704249][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.708762][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.715101][T25438] [ 1477.717424][T25438] Uninit was stored to memory at: [ 1477.722462][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.728205][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.734057][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.739186][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.744143][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.748663][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.753364][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.759452][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.765670][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.770900][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.775887][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.780436][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.787192][T25438] [ 1477.789521][T25438] Uninit was stored to memory at: [ 1477.794562][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.800357][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.805314][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.810460][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.815448][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.819974][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.825146][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.831251][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.837453][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.842675][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.847673][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.852224][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.858935][T25438] [ 1477.861268][T25438] Uninit was stored to memory at: [ 1477.866315][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.872057][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.877019][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.882181][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.887769][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.892300][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.897954][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.904070][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.910254][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.915567][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.920453][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.925266][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1477.931616][T25438] [ 1477.933949][T25438] Uninit was stored to memory at: [ 1477.938996][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1477.944736][T25438] __msan_chain_origin+0x57/0xa0 [ 1477.949711][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1477.954938][T25438] get_compat_msghdr+0x108/0x2b0 [ 1477.960158][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1477.964677][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1477.969548][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1477.975931][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1477.982770][T25438] __do_fast_syscall_32+0x129/0x180 [ 1477.988107][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1477.993310][T25438] do_SYSENTER_32+0x73/0x90 [ 1477.997938][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.004289][T25438] [ 1478.006626][T25438] Uninit was stored to memory at: [ 1478.011848][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1478.017663][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.022714][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.027937][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.033604][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.038460][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.043147][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.049587][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.056089][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.061653][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.066596][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.071976][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.078295][T25438] [ 1478.081057][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1478.087764][T25438] do_recvmmsg+0xc2/0x22e0 [ 1478.092189][T25438] do_recvmmsg+0xc2/0x22e0 [ 1478.436479][T25438] not chained 560000 origins [ 1478.441214][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1478.449892][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1478.460304][T25438] Call Trace: [ 1478.463733][T25438] dump_stack+0x21c/0x280 [ 1478.468085][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1478.473875][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1478.480010][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.485331][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1478.491298][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1478.497938][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1478.506499][T25438] ? sched_clock_cpu+0x5e/0x950 [ 1478.511413][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.516642][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1478.522305][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1478.528394][T25438] ? _copy_from_user+0x201/0x310 [ 1478.533379][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.538971][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.544051][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.549208][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.554178][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.558729][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.563984][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.569220][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1478.574881][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1478.580188][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1478.584968][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.590424][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1478.596251][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1478.601559][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.608169][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.614448][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.619728][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.624618][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.630103][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.636534][T25438] RIP: 0023:0xf7f69549 [ 1478.641495][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1478.662013][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1478.670561][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1478.678586][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1478.686678][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1478.695539][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1478.703535][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1478.711523][T25438] Uninit was stored to memory at: [ 1478.716590][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1478.722332][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.727285][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.732427][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.737375][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.741906][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.746679][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.753627][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.759915][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.765216][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.770087][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.774617][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.780954][T25438] [ 1478.783320][T25438] Uninit was stored to memory at: [ 1478.788360][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1478.794104][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.799066][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.804316][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.809275][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.813784][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.818740][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.824822][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.831004][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.836214][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.841069][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.845926][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.853477][T25438] [ 1478.855812][T25438] Uninit was stored to memory at: [ 1478.860881][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1478.867082][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.872049][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.877533][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.882484][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.888061][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.892747][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.898850][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.905311][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.910533][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.916025][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.920569][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.926906][T25438] [ 1478.929298][T25438] Uninit was stored to memory at: [ 1478.934347][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1478.940084][T25438] __msan_chain_origin+0x57/0xa0 [ 1478.945071][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1478.950210][T25438] get_compat_msghdr+0x108/0x2b0 [ 1478.955175][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1478.959691][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1478.964468][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1478.970608][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1478.976822][T25438] __do_fast_syscall_32+0x129/0x180 [ 1478.982127][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1478.987089][T25438] do_SYSENTER_32+0x73/0x90 [ 1478.991641][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1478.997974][T25438] [ 1479.000329][T25438] Uninit was stored to memory at: [ 1479.005368][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1479.011324][T25438] __msan_chain_origin+0x57/0xa0 [ 1479.016380][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1479.021531][T25438] get_compat_msghdr+0x108/0x2b0 [ 1479.026590][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1479.031148][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1479.035851][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1479.041947][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1479.048129][T25438] __do_fast_syscall_32+0x129/0x180 [ 1479.053350][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1479.058408][T25438] do_SYSENTER_32+0x73/0x90 [ 1479.062931][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1479.072732][T25438] [ 1479.075074][T25438] Uninit was stored to memory at: [ 1479.080204][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1479.085938][T25438] __msan_chain_origin+0x57/0xa0 [ 1479.090936][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1479.096066][T25438] get_compat_msghdr+0x108/0x2b0 [ 1479.101029][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1479.105925][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1479.110634][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1479.116808][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1479.122990][T25438] __do_fast_syscall_32+0x129/0x180 [ 1479.128320][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1479.133475][T25438] do_SYSENTER_32+0x73/0x90 [ 1479.138517][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1479.144950][T25438] [ 1479.147276][T25438] Uninit was stored to memory at: [ 1479.152315][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1479.158143][T25438] __msan_chain_origin+0x57/0xa0 [ 1479.163117][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1479.168235][T25438] get_compat_msghdr+0x108/0x2b0 [ 1479.173177][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1479.177881][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1479.182573][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1479.188656][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1479.194869][T25438] __do_fast_syscall_32+0x129/0x180 [ 1479.200275][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1479.205151][T25438] do_SYSENTER_32+0x73/0x90 [ 1479.209676][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1479.215989][T25438] [ 1479.218323][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1479.225021][T25438] do_recvmmsg+0xc2/0x22e0 [ 1479.229460][T25438] do_recvmmsg+0xc2/0x22e0 [ 1479.655578][T25438] not chained 570000 origins [ 1479.660215][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1479.668904][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1479.678995][T25438] Call Trace: [ 1479.682360][T25438] dump_stack+0x21c/0x280 [ 1479.686711][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1479.692446][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1479.698529][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.703779][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1479.709611][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1479.715696][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1479.721143][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.726371][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.731586][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1479.737668][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1479.743779][T25438] ? _copy_from_user+0x201/0x310 [ 1479.748793][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.754012][T25438] __msan_chain_origin+0x57/0xa0 [ 1479.758974][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1479.764108][T25438] get_compat_msghdr+0x108/0x2b0 [ 1479.769104][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1479.773640][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.778863][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.784079][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1479.789735][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1479.795044][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1479.799824][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1479.804545][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1479.810378][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1479.815608][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1479.821704][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1479.827909][T25438] __do_fast_syscall_32+0x129/0x180 [ 1479.833126][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1479.838042][T25438] do_SYSENTER_32+0x73/0x90 [ 1479.842666][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1479.848999][T25438] RIP: 0023:0xf7f69549 [ 1479.853101][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1479.872760][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1479.881304][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1479.889309][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1479.897315][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1479.905299][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1479.913307][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1479.921297][T25438] Uninit was stored to memory at: [ 1479.926339][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1479.932066][T25438] __msan_chain_origin+0x57/0xa0 [ 1479.937033][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1479.942160][T25438] get_compat_msghdr+0x108/0x2b0 [ 1479.947106][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1479.951616][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1479.956309][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1479.963351][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1479.969534][T25438] __do_fast_syscall_32+0x129/0x180 [ 1479.974788][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1479.979687][T25438] do_SYSENTER_32+0x73/0x90 [ 1479.984262][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1479.990601][T25438] [ 1479.992925][T25438] Uninit was stored to memory at: [ 1479.997964][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.003705][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.008657][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.013792][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.018746][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.023262][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.027989][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.034068][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.040236][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.045457][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.050322][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.054841][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.061191][T25438] [ 1480.063517][T25438] Uninit was stored to memory at: [ 1480.068583][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.074320][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.079275][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.084400][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.089350][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.093875][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.099084][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.105178][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.111357][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.116568][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.121465][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.125985][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.132330][T25438] [ 1480.135271][T25438] Uninit was stored to memory at: [ 1480.140403][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.146142][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.151107][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.156391][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.161362][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.165910][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.171137][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.177354][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.183538][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.188790][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.193675][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.198194][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.204523][T25438] [ 1480.206871][T25438] Uninit was stored to memory at: [ 1480.211925][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.217654][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.222872][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.228024][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.232984][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.237507][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.242203][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.248296][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.254484][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.259708][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.264588][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.269282][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.275635][T25438] [ 1480.277971][T25438] Uninit was stored to memory at: [ 1480.283194][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.288967][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.293948][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.299077][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.304026][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.308542][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.313238][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.320019][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.330627][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.335839][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.340731][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.345261][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.351612][T25438] [ 1480.353940][T25438] Uninit was stored to memory at: [ 1480.359082][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1480.364830][T25438] __msan_chain_origin+0x57/0xa0 [ 1480.369787][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1480.374942][T25438] get_compat_msghdr+0x108/0x2b0 [ 1480.379907][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1480.384544][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1480.389252][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.395448][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.401632][T25438] __do_fast_syscall_32+0x129/0x180 [ 1480.406941][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1480.411817][T25438] do_SYSENTER_32+0x73/0x90 [ 1480.416350][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.422673][T25438] [ 1480.425003][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1480.431699][T25438] do_recvmmsg+0xc2/0x22e0 [ 1480.436126][T25438] do_recvmmsg+0xc2/0x22e0 [ 1480.722526][T25439] not chained 580000 origins [ 1480.727165][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1480.735839][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1480.746033][T25439] Call Trace: [ 1480.749383][T25439] dump_stack+0x21c/0x280 [ 1480.753762][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1480.759527][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1480.765630][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.770951][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1480.776903][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1480.782995][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1480.788382][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.793618][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1480.799278][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1480.805374][T25439] ? _copy_from_user+0x201/0x310 [ 1480.810335][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.815561][T25439] __msan_chain_origin+0x57/0xa0 [ 1480.820885][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1480.826043][T25439] get_compat_msghdr+0x108/0x2b0 [ 1480.831004][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1480.835623][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.840843][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.846367][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1480.852024][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1480.857327][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1480.862102][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1480.866795][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1480.872626][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1480.877863][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1480.884309][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1480.890488][T25439] __do_fast_syscall_32+0x129/0x180 [ 1480.895723][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1480.900590][T25439] do_SYSENTER_32+0x73/0x90 [ 1480.905109][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1480.911480][T25439] RIP: 0023:0xf7f69549 [ 1480.915616][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1480.935242][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1480.944057][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1480.952226][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1480.961191][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1480.969198][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1480.977376][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1480.985755][T25439] Uninit was stored to memory at: [ 1480.990832][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1480.996613][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.001617][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.006760][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.011716][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.016231][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.020958][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.027092][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.033286][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.038532][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.043460][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.048292][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.054614][T25439] [ 1481.056950][T25439] Uninit was stored to memory at: [ 1481.062785][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.068516][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.073461][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.078596][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.083557][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.088061][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.092742][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.099076][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.105234][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.110443][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.115820][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.120327][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.126648][T25439] [ 1481.128972][T25439] Uninit was stored to memory at: [ 1481.134006][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.139731][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.144688][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.149817][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.154750][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.159248][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.163925][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.170169][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.176500][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.181703][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.186553][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.191061][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.197468][T25439] [ 1481.199810][T25439] Uninit was stored to memory at: [ 1481.204843][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.210564][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.215501][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.220628][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.225562][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.230151][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.234829][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.240896][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.247075][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.252649][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.257502][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.262035][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.268362][T25439] [ 1481.270679][T25439] Uninit was stored to memory at: [ 1481.275706][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.281428][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.286366][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.292281][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.297397][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.301900][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.306583][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.313757][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.320802][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.326525][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.331376][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.335900][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.343199][T25439] [ 1481.345520][T25439] Uninit was stored to memory at: [ 1481.352477][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.358330][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.363718][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.369117][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.374232][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.378831][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.383565][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.390766][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.397712][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.403763][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.408620][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.413139][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.419467][T25439] [ 1481.421783][T25439] Uninit was stored to memory at: [ 1481.426818][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.432549][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.437489][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.442596][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.447534][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.452214][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.456891][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.463047][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.469208][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.474429][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.479282][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.483791][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.490162][T25439] [ 1481.492484][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1481.499161][T25439] do_recvmmsg+0xc2/0x22e0 [ 1481.503573][T25439] do_recvmmsg+0xc2/0x22e0 [ 1481.678151][T25439] not chained 590000 origins [ 1481.682791][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1481.692181][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1481.702243][T25439] Call Trace: [ 1481.705549][T25439] dump_stack+0x21c/0x280 [ 1481.710276][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1481.716018][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1481.722092][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.727406][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1481.733221][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1481.739307][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1481.744702][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.750259][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1481.755905][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1481.761987][T25439] ? _copy_from_user+0x201/0x310 [ 1481.766940][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.772171][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.777122][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.782250][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.787198][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.792672][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.797918][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.803135][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1481.808794][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1481.814092][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1481.818866][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.825396][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1481.831211][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1481.836424][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.842503][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.848702][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.853910][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1481.858858][T25439] do_SYSENTER_32+0x73/0x90 [ 1481.863374][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1481.870226][T25439] RIP: 0023:0xf7f69549 [ 1481.874301][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1481.895482][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1481.905411][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1481.913408][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1481.921391][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1481.929397][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1481.937388][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1481.945889][T25439] Uninit was stored to memory at: [ 1481.951022][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1481.956763][T25439] __msan_chain_origin+0x57/0xa0 [ 1481.961731][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1481.966869][T25439] get_compat_msghdr+0x108/0x2b0 [ 1481.971913][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1481.976430][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1481.981241][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1481.987328][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1481.993502][T25439] __do_fast_syscall_32+0x129/0x180 [ 1481.998719][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.003580][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.008125][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.014445][T25439] [ 1482.016770][T25439] Uninit was stored to memory at: [ 1482.021808][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.028000][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.032952][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.038101][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.043044][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.047558][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.052249][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.058626][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.064806][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.070016][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.074875][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.079407][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.085751][T25439] [ 1482.088087][T25439] Uninit was stored to memory at: [ 1482.093158][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.098911][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.103867][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.109014][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.114009][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.118544][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.123318][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.129412][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.135597][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.140826][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.145725][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.150282][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.157312][T25439] [ 1482.159657][T25439] Uninit was stored to memory at: [ 1482.164728][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.170491][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.175520][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.180674][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.185633][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.190151][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.194851][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.201063][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.207238][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.212455][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.217353][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.221884][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.228765][T25439] [ 1482.231105][T25439] Uninit was stored to memory at: [ 1482.236156][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.244588][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.249544][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.254683][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.259661][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.264189][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.268883][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.274965][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.281246][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.286468][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.291392][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.296096][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.302557][T25439] [ 1482.305119][T25439] Uninit was stored to memory at: [ 1482.310382][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.316294][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.321248][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.326376][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.331328][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.335842][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.340530][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.346622][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.352791][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.358015][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.362896][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.367416][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.373737][T25439] [ 1482.376061][T25439] Uninit was stored to memory at: [ 1482.381110][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1482.387022][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.392355][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.397499][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.402455][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.406975][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.411933][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.418018][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.424227][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.429456][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.434338][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.438868][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.445206][T25439] [ 1482.447537][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1482.455870][T25439] do_recvmmsg+0xc2/0x22e0 [ 1482.460303][T25439] do_recvmmsg+0xc2/0x22e0 [ 1482.795648][T25439] not chained 600000 origins [ 1482.800307][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1482.808986][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1482.819049][T25439] Call Trace: [ 1482.822358][T25439] dump_stack+0x21c/0x280 [ 1482.826707][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1482.832453][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1482.838705][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.844221][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1482.850100][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1482.856404][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1482.862067][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.868437][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1482.874182][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1482.880283][T25439] ? _copy_from_user+0x201/0x310 [ 1482.885264][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.890493][T25439] __msan_chain_origin+0x57/0xa0 [ 1482.895454][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1482.900591][T25439] get_compat_msghdr+0x108/0x2b0 [ 1482.906288][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1482.910829][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.916057][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.921291][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1482.926952][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1482.932269][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1482.937066][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1482.941817][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1482.947649][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1482.952870][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1482.958998][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1482.965299][T25439] __do_fast_syscall_32+0x129/0x180 [ 1482.970564][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1482.975562][T25439] do_SYSENTER_32+0x73/0x90 [ 1482.980119][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1482.986484][T25439] RIP: 0023:0xf7f69549 [ 1482.990655][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1483.010286][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1483.018729][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1483.026986][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1483.035067][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1483.043086][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1483.051077][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1483.059329][T25439] Uninit was stored to memory at: [ 1483.064380][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.070120][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.075076][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.080207][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.085167][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.089696][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.094417][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.100518][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.106738][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.111999][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.116914][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.121458][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.127910][T25439] [ 1483.130246][T25439] Uninit was stored to memory at: [ 1483.135327][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.141077][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.146033][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.151509][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.156462][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.161247][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.166312][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.172499][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.178863][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.184212][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.189092][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.193894][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.200395][T25439] [ 1483.202728][T25439] Uninit was stored to memory at: [ 1483.208053][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.213826][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.218781][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.223904][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.229032][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.233650][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.238381][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.244546][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.250775][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.256020][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.260913][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.265532][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.272316][T25439] [ 1483.274665][T25439] Uninit was stored to memory at: [ 1483.279726][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.286163][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.291334][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.296484][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.301480][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.306012][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.311003][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.317357][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.323552][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.330636][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.335533][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.340145][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.347074][T25439] [ 1483.349402][T25439] Uninit was stored to memory at: [ 1483.354460][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.360388][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.366507][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.371894][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.377098][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.381603][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.386287][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.392365][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.398628][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.403896][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.408783][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.413295][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.419611][T25439] [ 1483.421939][T25439] Uninit was stored to memory at: [ 1483.427004][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.433823][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.439051][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.444187][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.449148][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.453673][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.458374][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.464472][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.470755][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.476090][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.481186][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.485724][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.492063][T25439] [ 1483.494389][T25439] Uninit was stored to memory at: [ 1483.499432][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.505197][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.510169][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.515308][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.520271][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.524796][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.529608][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.535792][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.541974][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.547183][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.552038][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.556569][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.563157][T25439] [ 1483.565488][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1483.572187][T25439] do_recvmmsg+0xc2/0x22e0 [ 1483.576644][T25439] do_recvmmsg+0xc2/0x22e0 [ 1483.726402][T25439] not chained 610000 origins [ 1483.731148][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1483.739945][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1483.750315][T25439] Call Trace: [ 1483.753648][T25439] dump_stack+0x21c/0x280 [ 1483.758001][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1483.763767][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1483.770774][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.776533][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1483.782398][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1483.788700][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1483.794110][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.799325][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1483.805008][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1483.811208][T25439] ? _copy_from_user+0x201/0x310 [ 1483.816173][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.821393][T25439] __msan_chain_origin+0x57/0xa0 [ 1483.826365][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1483.831548][T25439] get_compat_msghdr+0x108/0x2b0 [ 1483.836516][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1483.841045][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.846289][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.851499][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1483.857143][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1483.862449][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1483.867237][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1483.871941][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1483.877770][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1483.882985][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1483.889184][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1483.895361][T25439] __do_fast_syscall_32+0x129/0x180 [ 1483.900580][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1483.905471][T25439] do_SYSENTER_32+0x73/0x90 [ 1483.910009][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1483.916370][T25439] RIP: 0023:0xf7f69549 [ 1483.920450][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1483.940068][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1483.948591][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1483.956577][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1483.964682][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1483.972704][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1483.980968][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1483.989049][T25439] Uninit was stored to memory at: [ 1483.994096][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1483.999847][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.005067][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.010203][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.015166][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.019813][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.024510][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.030601][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.036779][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.042608][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.047479][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.052008][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.058330][T25439] [ 1484.060658][T25439] Uninit was stored to memory at: [ 1484.065702][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.071522][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.076495][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.081629][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.086589][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.091133][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.095913][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.101994][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.108174][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.113404][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.118281][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.122802][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.129121][T25439] [ 1484.131447][T25439] Uninit was stored to memory at: [ 1484.136490][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.142226][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.147202][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.152345][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.157297][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.161844][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.166536][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.172641][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.178818][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.184036][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.189179][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.193722][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.200044][T25439] [ 1484.202422][T25439] Uninit was stored to memory at: [ 1484.207470][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.213214][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.218174][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.223304][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.228262][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.232778][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.237480][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.243595][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.249785][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.255017][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.259895][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.264428][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.270759][T25439] [ 1484.273101][T25439] Uninit was stored to memory at: [ 1484.278155][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.283896][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.289146][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.294291][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.299420][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.304076][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.308777][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.314865][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.321061][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.326293][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.331254][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.335815][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.342140][T25439] [ 1484.344475][T25439] Uninit was stored to memory at: [ 1484.349517][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.355297][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.360260][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.365396][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.370356][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.374979][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.379755][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.385868][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.397094][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.402316][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.407199][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.411731][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.418136][T25439] [ 1484.420548][T25439] Uninit was stored to memory at: [ 1484.425588][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1484.431421][T25439] __msan_chain_origin+0x57/0xa0 [ 1484.436410][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1484.441553][T25439] get_compat_msghdr+0x108/0x2b0 [ 1484.446502][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1484.451013][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1484.455703][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1484.461784][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1484.467977][T25439] __do_fast_syscall_32+0x129/0x180 [ 1484.473205][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1484.478081][T25439] do_SYSENTER_32+0x73/0x90 [ 1484.482599][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1484.488965][T25439] [ 1484.491317][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1484.498090][T25439] do_recvmmsg+0xc2/0x22e0 [ 1484.502516][T25439] do_recvmmsg+0xc2/0x22e0 [ 1485.117012][T25438] not chained 620000 origins [ 1485.121661][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1485.130376][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1485.140452][T25438] Call Trace: [ 1485.143774][T25438] dump_stack+0x21c/0x280 [ 1485.148150][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1485.154782][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1485.160911][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.166183][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1485.172021][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1485.178113][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1485.183510][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.188735][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1485.194386][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1485.200512][T25438] ? _copy_from_user+0x201/0x310 [ 1485.205484][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.210713][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.215680][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.220831][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.225799][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.231122][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.236365][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.241639][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1485.247825][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1485.253144][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1485.258041][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.262752][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1485.268593][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1485.273830][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.279941][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.286133][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.291369][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.296254][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.300871][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.307215][T25438] RIP: 0023:0xf7f69549 [ 1485.311306][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1485.331347][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1485.340586][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1485.348699][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1485.356709][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1485.364700][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1485.372694][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1485.380686][T25438] Uninit was stored to memory at: [ 1485.386360][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.392112][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.397077][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.402214][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.407171][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.411699][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.416404][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.422491][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.428664][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.433883][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.438754][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.443582][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.449925][T25438] [ 1485.452259][T25438] Uninit was stored to memory at: [ 1485.457312][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.463100][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.468061][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.473195][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.478156][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.482935][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.487643][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.493831][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.500083][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.505464][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.510348][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.514889][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.521313][T25438] [ 1485.523652][T25438] Uninit was stored to memory at: [ 1485.528803][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.534554][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.539525][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.544673][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.549681][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.554302][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.559021][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.565125][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.571311][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.576533][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.585798][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.590382][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.596908][T25438] [ 1485.599269][T25438] Uninit was stored to memory at: [ 1485.604471][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.610253][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.615213][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.620365][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.625315][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.630002][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.634694][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.641207][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.647413][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.652650][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.657513][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.662025][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.668342][T25438] [ 1485.670673][T25438] Uninit was stored to memory at: [ 1485.675710][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.681443][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.686585][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.691790][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.696820][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.701335][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.706021][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.712094][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.718257][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.723463][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.728346][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.732861][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.739195][T25438] [ 1485.741638][T25438] Uninit was stored to memory at: [ 1485.746702][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.752518][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.757468][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.762600][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.767544][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.772057][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.776745][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.782827][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.788990][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.794196][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.799056][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.803575][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.809890][T25438] [ 1485.812219][T25438] Uninit was stored to memory at: [ 1485.817259][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1485.822994][T25438] __msan_chain_origin+0x57/0xa0 [ 1485.827966][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1485.833099][T25438] get_compat_msghdr+0x108/0x2b0 [ 1485.838060][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1485.842585][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1485.847266][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1485.853358][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1485.859518][T25438] __do_fast_syscall_32+0x129/0x180 [ 1485.864719][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1485.869577][T25438] do_SYSENTER_32+0x73/0x90 [ 1485.874085][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1485.880399][T25438] [ 1485.882723][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1485.889394][T25438] do_recvmmsg+0xc2/0x22e0 [ 1485.893814][T25438] do_recvmmsg+0xc2/0x22e0 [ 1486.092478][T25439] not chained 630000 origins [ 1486.097164][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1486.106021][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1486.116215][T25439] Call Trace: [ 1486.119521][T25439] dump_stack+0x21c/0x280 [ 1486.123864][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1486.129599][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1486.135680][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.140897][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1486.146716][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1486.152792][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1486.158175][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.163379][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1486.169031][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1486.175538][T25439] ? _copy_from_user+0x201/0x310 [ 1486.180489][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.185698][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.191348][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.196633][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.201587][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.206118][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.211336][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.216570][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1486.222213][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1486.227505][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1486.232279][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.237252][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1486.243065][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1486.248277][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.254353][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.260519][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.265727][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.270587][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.275102][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.281432][T25439] RIP: 0023:0xf7f69549 [ 1486.285507][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1486.305232][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1486.313682][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1486.321669][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1486.329650][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1486.337628][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1486.345622][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1486.353603][T25439] Uninit was stored to memory at: [ 1486.358644][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.364476][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.369426][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.374543][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.379571][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.384080][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.388765][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.394837][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.401002][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.406218][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.411077][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.415590][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.421905][T25439] [ 1486.424226][T25439] Uninit was stored to memory at: [ 1486.429262][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.435006][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.439976][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.445089][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.450027][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.454534][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.459223][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.465296][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.471462][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.476677][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.481537][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.486060][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.492458][T25439] [ 1486.494783][T25439] Uninit was stored to memory at: [ 1486.499816][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.505635][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.510607][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.515729][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.520697][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.525209][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.529909][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.535987][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.542158][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.547374][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.552275][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.556793][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.563119][T25439] [ 1486.565461][T25439] Uninit was stored to memory at: [ 1486.570510][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.576239][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.581190][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.586332][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.591282][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.595808][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.600531][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.606629][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.612814][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.618048][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.622919][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.627441][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.633764][T25439] [ 1486.636095][T25439] Uninit was stored to memory at: [ 1486.641238][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.647099][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.652083][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.657213][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.662597][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.667109][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.671852][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.677959][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.684156][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.689392][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.694261][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.698780][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.705138][T25439] [ 1486.707559][T25439] Uninit was stored to memory at: [ 1486.712613][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.718383][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.723337][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.728461][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.733405][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.738260][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.743062][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.749241][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.755418][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.760770][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.765669][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.775106][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.781443][T25439] [ 1486.783863][T25439] Uninit was stored to memory at: [ 1486.788909][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1486.794667][T25439] __msan_chain_origin+0x57/0xa0 [ 1486.799637][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1486.804762][T25439] get_compat_msghdr+0x108/0x2b0 [ 1486.809709][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1486.814221][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1486.818922][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1486.825042][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1486.831238][T25439] __do_fast_syscall_32+0x129/0x180 [ 1486.836465][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1486.841351][T25439] do_SYSENTER_32+0x73/0x90 [ 1486.845880][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1486.853072][T25439] [ 1486.855406][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1486.862118][T25439] do_recvmmsg+0xc2/0x22e0 [ 1486.866548][T25439] do_recvmmsg+0xc2/0x22e0 [ 1487.191145][T25438] not chained 640000 origins [ 1487.195894][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1487.204587][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1487.214941][T25438] Call Trace: [ 1487.218288][T25438] dump_stack+0x21c/0x280 [ 1487.222632][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1487.228366][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1487.234451][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.239664][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1487.245670][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1487.251754][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1487.257145][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.262364][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1487.268013][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1487.274360][T25438] ? _copy_from_user+0x201/0x310 [ 1487.279347][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.284559][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.290378][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.295592][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.300547][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.305080][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.310373][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.315703][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1487.321625][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1487.326960][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1487.332000][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.336799][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1487.343173][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1487.349016][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.356477][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.363699][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.369023][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.374077][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.379076][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.386632][T25438] RIP: 0023:0xf7f69549 [ 1487.391888][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1487.413366][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1487.421864][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1487.430017][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1487.438025][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1487.446535][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1487.454532][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1487.462563][T25438] Uninit was stored to memory at: [ 1487.467953][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.473702][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.478692][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.483813][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.488760][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.493279][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.497993][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.504689][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.510899][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.516753][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.521623][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.526142][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.533074][T25438] [ 1487.535552][T25438] Uninit was stored to memory at: [ 1487.540596][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.546354][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.551308][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.556437][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.561398][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.565966][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.570705][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.576805][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.582989][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.588209][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.593107][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.597633][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.603961][T25438] [ 1487.606320][T25438] Uninit was stored to memory at: [ 1487.611372][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.617207][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.622179][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.627297][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.632242][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.636748][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.641498][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.647604][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.653876][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.659092][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.663983][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.668508][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.674887][T25438] [ 1487.677276][T25438] Uninit was stored to memory at: [ 1487.682362][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.688355][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.693419][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.698561][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.703619][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.708158][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.712869][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.718989][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.726227][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.731445][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.736307][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.740853][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.747266][T25438] [ 1487.749603][T25438] Uninit was stored to memory at: [ 1487.754670][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.760416][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.765387][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.770781][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.775728][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.780255][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.784949][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.791047][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.797222][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.802458][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.807504][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.812036][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.818757][T25438] [ 1487.821134][T25438] Uninit was stored to memory at: [ 1487.826433][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.832411][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.837417][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.842641][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.847582][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.852085][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.856864][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.862955][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.869217][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.874459][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.879544][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.884056][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.890371][T25438] [ 1487.892706][T25438] Uninit was stored to memory at: [ 1487.897822][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1487.903579][T25438] __msan_chain_origin+0x57/0xa0 [ 1487.908808][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1487.913947][T25438] get_compat_msghdr+0x108/0x2b0 [ 1487.918895][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1487.923417][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1487.928295][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1487.934387][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1487.940694][T25438] __do_fast_syscall_32+0x129/0x180 [ 1487.945918][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1487.950787][T25438] do_SYSENTER_32+0x73/0x90 [ 1487.955318][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1487.961646][T25438] [ 1487.963991][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1487.970804][T25438] do_recvmmsg+0xc2/0x22e0 [ 1487.976079][T25438] do_recvmmsg+0xc2/0x22e0 [ 1488.535930][T25438] not chained 650000 origins [ 1488.540576][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1488.549259][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1488.559340][T25438] Call Trace: [ 1488.562676][T25438] dump_stack+0x21c/0x280 [ 1488.567020][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1488.572789][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1488.578877][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.584110][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1488.589935][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1488.596016][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1488.601443][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.606665][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1488.612414][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1488.618504][T25438] ? _copy_from_user+0x201/0x310 [ 1488.623493][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.628730][T25438] __msan_chain_origin+0x57/0xa0 [ 1488.633690][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1488.638848][T25438] get_compat_msghdr+0x108/0x2b0 [ 1488.643806][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1488.648488][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.653922][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.659165][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1488.664833][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1488.670255][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1488.675043][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1488.679766][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1488.685594][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1488.691461][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1488.697556][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1488.703914][T25438] __do_fast_syscall_32+0x129/0x180 [ 1488.709140][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1488.714011][T25438] do_SYSENTER_32+0x73/0x90 [ 1488.718549][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1488.724915][T25438] RIP: 0023:0xf7f69549 [ 1488.729008][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1488.748992][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1488.757437][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1488.765434][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1488.773428][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1488.781436][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1488.789431][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1488.797422][T25438] Uninit was stored to memory at: [ 1488.802481][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1488.808224][T25438] __msan_chain_origin+0x57/0xa0 [ 1488.813183][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1488.818439][T25438] get_compat_msghdr+0x108/0x2b0 [ 1488.823424][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1488.828035][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1488.833023][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1488.839398][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1488.845671][T25438] __do_fast_syscall_32+0x129/0x180 [ 1488.850909][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1488.856322][T25438] do_SYSENTER_32+0x73/0x90 [ 1488.860843][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1488.867162][T25438] [ 1488.869491][T25438] Uninit was stored to memory at: [ 1488.874637][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1488.880578][T25438] __msan_chain_origin+0x57/0xa0 [ 1488.885532][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1488.890695][T25438] get_compat_msghdr+0x108/0x2b0 [ 1488.895659][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1488.900172][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1488.904897][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1488.911002][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1488.917181][T25438] __do_fast_syscall_32+0x129/0x180 [ 1488.922395][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1488.927264][T25438] do_SYSENTER_32+0x73/0x90 [ 1488.931787][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1488.938136][T25438] [ 1488.940470][T25438] Uninit was stored to memory at: [ 1488.945634][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1488.951383][T25438] __msan_chain_origin+0x57/0xa0 [ 1488.956378][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1488.961525][T25438] get_compat_msghdr+0x108/0x2b0 [ 1488.966922][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1488.971450][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1488.976147][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1488.982337][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1488.988605][T25438] __do_fast_syscall_32+0x129/0x180 [ 1488.993897][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1488.999285][T25438] do_SYSENTER_32+0x73/0x90 [ 1489.003820][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.010146][T25438] [ 1489.012472][T25438] Uninit was stored to memory at: [ 1489.017533][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1489.023288][T25438] __msan_chain_origin+0x57/0xa0 [ 1489.028261][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1489.033402][T25438] get_compat_msghdr+0x108/0x2b0 [ 1489.038345][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1489.042851][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1489.047549][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.053628][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.060432][T25438] __do_fast_syscall_32+0x129/0x180 [ 1489.065643][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1489.070503][T25438] do_SYSENTER_32+0x73/0x90 [ 1489.075020][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.081368][T25438] [ 1489.083696][T25438] Uninit was stored to memory at: [ 1489.088740][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1489.094493][T25438] __msan_chain_origin+0x57/0xa0 [ 1489.099479][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1489.104650][T25438] get_compat_msghdr+0x108/0x2b0 [ 1489.109660][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1489.114365][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1489.119056][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.125142][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.132280][T25438] __do_fast_syscall_32+0x129/0x180 [ 1489.137648][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1489.142524][T25438] do_SYSENTER_32+0x73/0x90 [ 1489.147044][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.153515][T25438] [ 1489.155965][T25438] Uninit was stored to memory at: [ 1489.161103][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1489.167279][T25438] __msan_chain_origin+0x57/0xa0 [ 1489.172240][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1489.177366][T25438] get_compat_msghdr+0x108/0x2b0 [ 1489.182313][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1489.186841][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1489.191541][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.197717][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.203926][T25438] __do_fast_syscall_32+0x129/0x180 [ 1489.209165][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1489.214047][T25438] do_SYSENTER_32+0x73/0x90 [ 1489.218569][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.224888][T25438] [ 1489.227229][T25438] Uninit was stored to memory at: [ 1489.232272][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1489.238096][T25438] __msan_chain_origin+0x57/0xa0 [ 1489.243136][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1489.248286][T25438] get_compat_msghdr+0x108/0x2b0 [ 1489.253236][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1489.257769][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1489.262477][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.268562][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.274729][T25438] __do_fast_syscall_32+0x129/0x180 [ 1489.280387][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1489.285299][T25438] do_SYSENTER_32+0x73/0x90 [ 1489.289840][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.296169][T25438] [ 1489.298510][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1489.305384][T25438] do_recvmmsg+0xc2/0x22e0 [ 1489.309824][T25438] do_recvmmsg+0xc2/0x22e0 [ 1489.642586][T25439] not chained 660000 origins [ 1489.647300][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1489.655979][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1489.666069][T25439] Call Trace: [ 1489.669389][T25439] dump_stack+0x21c/0x280 [ 1489.675138][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1489.680885][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1489.687004][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.692263][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1489.698132][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1489.704240][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1489.710182][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.715578][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1489.721237][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1489.727352][T25439] ? _copy_from_user+0x201/0x310 [ 1489.732319][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.737555][T25439] __msan_chain_origin+0x57/0xa0 [ 1489.742580][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1489.747734][T25439] get_compat_msghdr+0x108/0x2b0 [ 1489.752699][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1489.757408][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.762666][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.767894][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1489.773552][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1489.778924][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1489.783713][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1489.788508][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1489.795307][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1489.800543][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.806640][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.813527][T25439] __do_fast_syscall_32+0x129/0x180 [ 1489.819106][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1489.823989][T25439] do_SYSENTER_32+0x73/0x90 [ 1489.828524][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.834864][T25439] RIP: 0023:0xf7f69549 [ 1489.838949][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1489.858563][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1489.867019][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1489.875004][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1489.883012][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1489.891025][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1489.899027][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1489.907033][T25439] Uninit was stored to memory at: [ 1489.912093][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1489.917841][T25439] __msan_chain_origin+0x57/0xa0 [ 1489.922805][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1489.927950][T25439] get_compat_msghdr+0x108/0x2b0 [ 1489.932908][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1489.937435][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1489.942144][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1489.948256][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1489.954431][T25439] __do_fast_syscall_32+0x129/0x180 [ 1489.959655][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1489.964530][T25439] do_SYSENTER_32+0x73/0x90 [ 1489.969052][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1489.975376][T25439] [ 1489.977712][T25439] Uninit was stored to memory at: [ 1489.982770][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1489.988504][T25439] __msan_chain_origin+0x57/0xa0 [ 1489.993891][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1489.999019][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.003964][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.008491][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.013181][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.019265][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.025441][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.030709][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.035605][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.040193][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.047750][T25439] [ 1490.050083][T25439] Uninit was stored to memory at: [ 1490.055147][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1490.060897][T25439] __msan_chain_origin+0x57/0xa0 [ 1490.066209][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1490.071782][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.077382][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.081916][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.086637][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.092741][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.098955][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.104184][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.109063][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.113622][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.119952][T25439] [ 1490.122282][T25439] Uninit was stored to memory at: [ 1490.127315][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1490.133084][T25439] __msan_chain_origin+0x57/0xa0 [ 1490.138117][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1490.143266][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.148275][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.152879][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.157606][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.163687][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.169844][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.175054][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.179917][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.184436][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.190747][T25439] [ 1490.193076][T25439] Uninit was stored to memory at: [ 1490.198108][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1490.203836][T25439] __msan_chain_origin+0x57/0xa0 [ 1490.208776][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1490.213894][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.218827][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.223330][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.228006][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.235224][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.241388][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.246588][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.251440][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.255943][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.262255][T25439] [ 1490.264572][T25439] Uninit was stored to memory at: [ 1490.269611][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1490.275340][T25439] __msan_chain_origin+0x57/0xa0 [ 1490.280274][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1490.285466][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.290398][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.294909][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.299588][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.305653][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.311811][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.317106][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.322044][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.326548][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.332956][T25439] [ 1490.335292][T25439] Uninit was stored to memory at: [ 1490.340327][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1490.346306][T25439] __msan_chain_origin+0x57/0xa0 [ 1490.351242][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1490.356351][T25439] get_compat_msghdr+0x108/0x2b0 [ 1490.361301][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1490.366068][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1490.370761][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.376853][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.383126][T25439] __do_fast_syscall_32+0x129/0x180 [ 1490.388343][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1490.393196][T25439] do_SYSENTER_32+0x73/0x90 [ 1490.397703][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.404011][T25439] [ 1490.406326][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1490.412999][T25439] do_recvmmsg+0xc2/0x22e0 [ 1490.417407][T25439] do_recvmmsg+0xc2/0x22e0 [ 1490.715298][T25438] not chained 670000 origins [ 1490.719957][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1490.728623][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1490.738690][T25438] Call Trace: [ 1490.741998][T25438] dump_stack+0x21c/0x280 [ 1490.746343][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1490.752080][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1490.758156][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.763408][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1490.769261][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1490.775340][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1490.780725][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.786195][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.791408][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1490.797051][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1490.803163][T25438] ? _copy_from_user+0x201/0x310 [ 1490.808116][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.813353][T25438] __msan_chain_origin+0x57/0xa0 [ 1490.818323][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1490.823483][T25438] get_compat_msghdr+0x108/0x2b0 [ 1490.828445][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1490.833007][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.838224][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.843437][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1490.849183][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1490.854498][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1490.859286][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1490.863974][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1490.869785][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1490.875014][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1490.881093][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1490.887258][T25438] __do_fast_syscall_32+0x129/0x180 [ 1490.892463][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1490.897322][T25438] do_SYSENTER_32+0x73/0x90 [ 1490.901843][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1490.908190][T25438] RIP: 0023:0xf7f69549 [ 1490.912265][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1490.931877][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1490.940420][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1490.948413][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1490.956679][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1490.964691][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1490.972699][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1490.980696][T25438] Uninit was stored to memory at: [ 1490.985737][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1490.991466][T25438] __msan_chain_origin+0x57/0xa0 [ 1490.996415][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.001534][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.006481][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.010985][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.015674][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.021782][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.027961][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.033161][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.038026][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.042543][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.048856][T25438] [ 1491.051178][T25438] Uninit was stored to memory at: [ 1491.056217][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.062060][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.066999][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.072114][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.077164][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.081669][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.086355][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.092434][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.098605][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.103808][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.108663][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.113302][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.119619][T25438] [ 1491.121970][T25438] Uninit was stored to memory at: [ 1491.127007][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.132913][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.137862][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.142978][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.147941][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.152445][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.157129][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.163203][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.169890][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.175705][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.180582][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.185101][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.191418][T25438] [ 1491.193741][T25438] Uninit was stored to memory at: [ 1491.198776][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.204501][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.209445][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.214561][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.219511][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.224038][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.228741][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.234826][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.240989][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.246197][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.251059][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.255599][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.261925][T25438] [ 1491.264252][T25438] Uninit was stored to memory at: [ 1491.269319][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.275059][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.280005][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.285149][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.290179][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.294722][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.299432][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.305547][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.311720][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.316931][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.321802][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.326347][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.332662][T25438] [ 1491.334986][T25438] Uninit was stored to memory at: [ 1491.340107][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.345837][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.350780][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.355914][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.360870][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.365399][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.370089][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.376263][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.382435][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.387651][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.392526][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.397045][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.403402][T25438] [ 1491.405736][T25438] Uninit was stored to memory at: [ 1491.410785][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1491.416524][T25438] __msan_chain_origin+0x57/0xa0 [ 1491.421509][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1491.426741][T25438] get_compat_msghdr+0x108/0x2b0 [ 1491.431691][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1491.436196][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1491.440907][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.447029][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.453210][T25438] __do_fast_syscall_32+0x129/0x180 [ 1491.458425][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1491.463309][T25438] do_SYSENTER_32+0x73/0x90 [ 1491.467860][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.474291][T25438] [ 1491.476618][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1491.483482][T25438] do_recvmmsg+0xc2/0x22e0 [ 1491.487904][T25438] do_recvmmsg+0xc2/0x22e0 [ 1491.714818][T25439] not chained 680000 origins [ 1491.719504][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1491.728394][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1491.738549][T25439] Call Trace: [ 1491.741867][T25439] dump_stack+0x21c/0x280 [ 1491.746223][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1491.752002][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1491.758092][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.763304][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1491.769171][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1491.775252][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1491.780640][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.785866][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1491.791561][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1491.797688][T25439] ? _copy_from_user+0x201/0x310 [ 1491.802639][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.809659][T25439] __msan_chain_origin+0x57/0xa0 [ 1491.814702][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1491.819857][T25439] get_compat_msghdr+0x108/0x2b0 [ 1491.824845][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1491.829396][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.834729][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.840589][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1491.846601][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1491.852670][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1491.857456][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1491.862148][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1491.868871][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1491.874086][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1491.880277][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1491.886558][T25439] __do_fast_syscall_32+0x129/0x180 [ 1491.891798][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1491.896688][T25439] do_SYSENTER_32+0x73/0x90 [ 1491.901657][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1491.908976][T25439] RIP: 0023:0xf7f69549 [ 1491.913150][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1491.933470][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1491.941907][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1491.950000][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1491.958041][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1491.966050][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1491.974069][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1491.982156][T25439] Uninit was stored to memory at: [ 1491.987214][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1491.993174][T25439] __msan_chain_origin+0x57/0xa0 [ 1491.998135][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.004223][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.009181][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.013690][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.018552][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.025598][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.032143][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.037458][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.042859][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.048530][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.054946][T25439] [ 1492.057372][T25439] Uninit was stored to memory at: [ 1492.062857][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.072153][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.077106][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.082231][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.087205][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.092010][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.096893][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.103090][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.109287][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.114514][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.119512][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.124327][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.130662][T25439] [ 1492.133005][T25439] Uninit was stored to memory at: [ 1492.138056][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.143824][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.149191][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.154587][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.159548][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.164061][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.168940][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.175040][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.181224][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.186445][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.191317][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.195849][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.202258][T25439] [ 1492.204688][T25439] Uninit was stored to memory at: [ 1492.209791][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.215600][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.220630][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.226388][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.232482][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.237002][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.241719][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.247807][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.253988][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.259556][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.264449][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.268975][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.275333][T25439] [ 1492.277667][T25439] Uninit was stored to memory at: [ 1492.282726][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.288474][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.293432][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.298556][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.303511][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.308016][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.312701][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.318954][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.326006][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.331575][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.336427][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.341001][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.347350][T25439] [ 1492.349738][T25439] Uninit was stored to memory at: [ 1492.354790][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.362096][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.367057][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.372176][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.377119][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.381633][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.386406][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.393798][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.400927][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.406197][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.411050][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.415579][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.421902][T25439] [ 1492.424243][T25439] Uninit was stored to memory at: [ 1492.429516][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1492.436337][T25439] __msan_chain_origin+0x57/0xa0 [ 1492.441317][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1492.446464][T25439] get_compat_msghdr+0x108/0x2b0 [ 1492.451402][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1492.455909][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1492.460622][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1492.466821][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1492.473011][T25439] __do_fast_syscall_32+0x129/0x180 [ 1492.478221][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1492.483093][T25439] do_SYSENTER_32+0x73/0x90 [ 1492.487608][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1492.494296][T25439] [ 1492.496651][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1492.503522][T25439] do_recvmmsg+0xc2/0x22e0 [ 1492.508032][T25439] do_recvmmsg+0xc2/0x22e0 [ 1493.072572][T25438] not chained 690000 origins [ 1493.077288][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1493.086438][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1493.096596][T25438] Call Trace: [ 1493.100128][T25438] dump_stack+0x21c/0x280 [ 1493.104489][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1493.110943][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1493.117035][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.122354][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1493.128478][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1493.134834][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1493.140249][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.145659][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.151319][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1493.156978][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1493.163185][T25438] ? _copy_from_user+0x201/0x310 [ 1493.168224][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.173559][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.178558][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.184158][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.189354][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.194143][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.199480][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.204757][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1493.210431][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1493.216343][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1493.221363][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.226157][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1493.232084][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1493.238003][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.244626][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.250809][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.256901][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.261879][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.266593][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.273286][T25438] RIP: 0023:0xf7f69549 [ 1493.277597][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1493.297505][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1493.306240][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1493.315364][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1493.323357][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1493.331654][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1493.339760][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1493.347853][T25438] Uninit was stored to memory at: [ 1493.352925][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.359147][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.365156][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.370302][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.375791][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.380851][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.385602][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.391889][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.398590][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.403834][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.408762][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.413358][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.419774][T25438] [ 1493.422273][T25438] Uninit was stored to memory at: [ 1493.427362][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.433198][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.438165][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.443296][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.448249][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.453027][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.457732][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.463823][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.470003][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.476365][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.481606][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.486333][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.492776][T25438] [ 1493.495124][T25438] Uninit was stored to memory at: [ 1493.500284][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.506305][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.511255][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.516555][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.521509][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.526122][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.530865][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.536966][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.543137][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.548351][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.553309][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.557945][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.564268][T25438] [ 1493.566592][T25438] Uninit was stored to memory at: [ 1493.571630][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.577358][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.583096][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.588250][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.593224][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.598263][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.603074][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.609218][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.615455][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.621140][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.626201][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.630988][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.637394][T25438] [ 1493.639721][T25438] Uninit was stored to memory at: [ 1493.644758][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.650617][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.655604][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.660733][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.665684][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.670202][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.674990][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.681079][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.687276][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.692494][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.697367][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.701928][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.708348][T25438] [ 1493.710716][T25438] Uninit was stored to memory at: [ 1493.715939][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.721967][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.727192][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.732325][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.737450][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.742015][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.747680][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.754410][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.761292][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.766569][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.771715][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.776448][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.783077][T25438] [ 1493.785525][T25438] Uninit was stored to memory at: [ 1493.791646][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1493.797981][T25438] __msan_chain_origin+0x57/0xa0 [ 1493.803603][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1493.808905][T25438] get_compat_msghdr+0x108/0x2b0 [ 1493.814500][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1493.819158][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1493.823883][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1493.831425][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1493.838054][T25438] __do_fast_syscall_32+0x129/0x180 [ 1493.843293][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1493.848261][T25438] do_SYSENTER_32+0x73/0x90 [ 1493.852851][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1493.859416][T25438] [ 1493.861828][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1493.868640][T25438] do_recvmmsg+0xc2/0x22e0 [ 1493.873499][T25438] do_recvmmsg+0xc2/0x22e0 [ 1493.970976][T25438] not chained 700000 origins [ 1493.976499][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1493.985902][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1493.997874][T25438] Call Trace: [ 1494.001201][T25438] dump_stack+0x21c/0x280 [ 1494.006523][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1494.012499][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1494.019346][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.024858][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1494.030995][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1494.037274][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1494.043131][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.048673][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1494.054606][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1494.061054][T25438] ? _copy_from_user+0x201/0x310 [ 1494.066293][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.071926][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.077307][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.082481][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.087691][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.092226][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.097635][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.102879][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1494.108545][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1494.113858][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1494.118651][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.123365][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1494.129810][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1494.135860][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.142562][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.150260][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.156294][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.162533][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.167459][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.174467][T25438] RIP: 0023:0xf7f69549 [ 1494.178814][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1494.200268][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1494.209164][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1494.217960][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1494.228177][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1494.239077][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1494.248556][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1494.257015][T25438] Uninit was stored to memory at: [ 1494.262165][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.270263][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.276225][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.281932][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.287622][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.293187][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.298482][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.304810][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.313687][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.320119][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.326909][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.332963][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.340301][T25438] [ 1494.343447][T25438] Uninit was stored to memory at: [ 1494.349149][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.356752][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.362453][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.368456][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.374967][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.381544][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.387981][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.396324][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.405506][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.414794][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.420184][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.425179][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.433090][T25438] [ 1494.436502][T25438] Uninit was stored to memory at: [ 1494.442832][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.449379][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.456465][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.463881][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.471085][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.477396][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.484793][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.493789][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.502631][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.508984][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.515122][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.523692][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.531653][T25438] [ 1494.534509][T25438] Uninit was stored to memory at: [ 1494.540514][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.547017][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.552871][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.558827][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.564391][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.569359][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.574456][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.581541][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.589689][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.595119][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.600194][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.605242][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.612854][T25438] [ 1494.615626][T25438] Uninit was stored to memory at: [ 1494.620966][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.627286][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.632648][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.638331][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.644663][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.649561][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.654836][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.661621][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.668105][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.673920][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.680323][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.685326][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.692497][T25438] [ 1494.694983][T25438] Uninit was stored to memory at: [ 1494.703035][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.709387][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.714928][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.720337][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.725515][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.730654][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.735803][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.742500][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.751120][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.756680][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.763121][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.769575][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.776688][T25438] [ 1494.779035][T25438] Uninit was stored to memory at: [ 1494.784351][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1494.790705][T25438] __msan_chain_origin+0x57/0xa0 [ 1494.797167][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1494.804974][T25438] get_compat_msghdr+0x108/0x2b0 [ 1494.810899][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1494.815535][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1494.820573][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1494.828549][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1494.835109][T25438] __do_fast_syscall_32+0x129/0x180 [ 1494.840947][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1494.846091][T25438] do_SYSENTER_32+0x73/0x90 [ 1494.851024][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1494.857358][T25438] [ 1494.859768][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1494.868103][T25438] do_recvmmsg+0xc2/0x22e0 [ 1494.872548][T25438] do_recvmmsg+0xc2/0x22e0 [ 1495.773540][T25439] not chained 710000 origins [ 1495.778559][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1495.788191][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1495.800463][T25439] Call Trace: [ 1495.803796][T25439] dump_stack+0x21c/0x280 [ 1495.808177][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1495.814427][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1495.820716][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.826216][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1495.832472][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1495.839343][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1495.845546][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.851198][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.857177][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1495.863606][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1495.871378][T25439] ? _copy_from_user+0x201/0x310 [ 1495.879033][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.885716][T25439] __msan_chain_origin+0x57/0xa0 [ 1495.892620][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1495.898339][T25439] get_compat_msghdr+0x108/0x2b0 [ 1495.904088][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1495.909510][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.914885][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.920650][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1495.926859][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1495.932553][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1495.937847][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1495.943147][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1495.949863][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1495.956238][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1495.964806][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1495.973188][T25439] __do_fast_syscall_32+0x129/0x180 [ 1495.982201][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1495.988499][T25439] do_SYSENTER_32+0x73/0x90 [ 1495.993786][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.001985][T25439] RIP: 0023:0xf7f69549 [ 1496.006580][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1496.029452][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1496.038902][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1496.048182][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1496.057427][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1496.066351][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1496.075608][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1496.084104][T25439] Uninit was stored to memory at: [ 1496.089304][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.095227][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.100558][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.105843][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.111075][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.116099][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.121039][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.127541][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.134111][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.139807][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.145342][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.149881][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.156461][T25439] [ 1496.159082][T25439] Uninit was stored to memory at: [ 1496.164415][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.170608][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.175839][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.181322][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.186397][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.191283][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.198080][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.204414][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.210931][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.216246][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.221640][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.226356][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.235454][T25439] [ 1496.237864][T25439] Uninit was stored to memory at: [ 1496.243145][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.249210][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.254421][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.260101][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.265446][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.270379][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.275097][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.281803][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.289021][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.295439][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.301138][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.306075][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.315073][T25439] [ 1496.317791][T25439] Uninit was stored to memory at: [ 1496.324033][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.331380][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.337075][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.343577][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.350614][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.356038][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.361070][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.371160][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.381816][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.387405][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.393067][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.398915][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.406401][T25439] [ 1496.409502][T25439] Uninit was stored to memory at: [ 1496.416181][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.422896][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.428679][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.434547][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.440652][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.447725][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.454591][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.461910][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.469119][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.474534][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.480111][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.485018][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.491945][T25439] [ 1496.494966][T25439] Uninit was stored to memory at: [ 1496.502157][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.509964][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.515875][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.522296][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.529116][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.534225][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.539688][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.547401][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.554772][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.560629][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.566348][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.571548][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.578660][T25439] [ 1496.581766][T25439] Uninit was stored to memory at: [ 1496.588301][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1496.594316][T25439] __msan_chain_origin+0x57/0xa0 [ 1496.600043][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1496.605679][T25439] get_compat_msghdr+0x108/0x2b0 [ 1496.610904][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1496.615575][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1496.620282][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1496.627003][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1496.633787][T25439] __do_fast_syscall_32+0x129/0x180 [ 1496.639267][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1496.644627][T25439] do_SYSENTER_32+0x73/0x90 [ 1496.650133][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1496.657280][T25439] [ 1496.660427][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1496.667939][T25439] do_recvmmsg+0xc2/0x22e0 [ 1496.672775][T25439] do_recvmmsg+0xc2/0x22e0 [ 1497.488225][T25438] not chained 720000 origins [ 1497.493291][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1497.503381][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1497.514084][T25438] Call Trace: [ 1497.518212][T25438] dump_stack+0x21c/0x280 [ 1497.523204][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1497.530135][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1497.537662][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.543236][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1497.549602][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1497.557372][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1497.563488][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.568826][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1497.574777][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1497.581775][T25438] ? _copy_from_user+0x201/0x310 [ 1497.587116][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.592888][T25438] __msan_chain_origin+0x57/0xa0 [ 1497.598372][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1497.604110][T25438] get_compat_msghdr+0x108/0x2b0 [ 1497.609354][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1497.614454][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.620303][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.626026][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1497.632773][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1497.638533][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1497.645399][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1497.650871][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1497.658484][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1497.665417][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1497.672688][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1497.682304][T25438] __do_fast_syscall_32+0x129/0x180 [ 1497.690324][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1497.695220][T25438] do_SYSENTER_32+0x73/0x90 [ 1497.700431][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1497.707853][T25438] RIP: 0023:0xf7f69549 [ 1497.712125][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1497.738487][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1497.750144][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1497.761047][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1497.772205][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1497.781261][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1497.790138][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1497.804005][T25438] Uninit was stored to memory at: [ 1497.810578][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1497.819290][T25438] __msan_chain_origin+0x57/0xa0 [ 1497.824767][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1497.830827][T25438] get_compat_msghdr+0x108/0x2b0 [ 1497.838069][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1497.845082][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1497.851983][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1497.860929][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1497.867686][T25438] __do_fast_syscall_32+0x129/0x180 [ 1497.874065][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1497.880343][T25438] do_SYSENTER_32+0x73/0x90 [ 1497.885973][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1497.892690][T25438] [ 1497.896023][T25438] Uninit was stored to memory at: [ 1497.901831][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1497.908262][T25438] __msan_chain_origin+0x57/0xa0 [ 1497.914773][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1497.920696][T25438] get_compat_msghdr+0x108/0x2b0 [ 1497.926160][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1497.932864][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1497.940296][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1497.949412][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1497.957701][T25438] __do_fast_syscall_32+0x129/0x180 [ 1497.965213][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1497.972610][T25438] do_SYSENTER_32+0x73/0x90 [ 1497.978494][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1497.988264][T25438] [ 1497.991132][T25438] Uninit was stored to memory at: [ 1497.998477][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1498.006831][T25438] __msan_chain_origin+0x57/0xa0 [ 1498.013733][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1498.020974][T25438] get_compat_msghdr+0x108/0x2b0 [ 1498.027354][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1498.034569][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1498.040733][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1498.051924][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1498.063587][T25438] __do_fast_syscall_32+0x129/0x180 [ 1498.070269][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1498.076057][T25438] do_SYSENTER_32+0x73/0x90 [ 1498.082093][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1498.090245][T25438] [ 1498.092991][T25438] Uninit was stored to memory at: [ 1498.099785][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1498.107969][T25438] __msan_chain_origin+0x57/0xa0 [ 1498.113965][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1498.122336][T25438] get_compat_msghdr+0x108/0x2b0 [ 1498.127469][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1498.132097][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1498.137232][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1498.143624][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1498.150311][T25438] __do_fast_syscall_32+0x129/0x180 [ 1498.155841][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1498.161088][T25438] do_SYSENTER_32+0x73/0x90 [ 1498.165998][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1498.173569][T25438] [ 1498.176492][T25438] Uninit was stored to memory at: [ 1498.182213][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1498.188325][T25438] __msan_chain_origin+0x57/0xa0 [ 1498.193555][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1498.199232][T25438] get_compat_msghdr+0x108/0x2b0 [ 1498.204534][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1498.209684][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1498.214487][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1498.222990][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1498.230932][T25438] __do_fast_syscall_32+0x129/0x180 [ 1498.237348][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1498.242498][T25438] do_SYSENTER_32+0x73/0x90 [ 1498.248191][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1498.255149][T25438] [ 1498.258169][T25438] Uninit was stored to memory at: [ 1498.263426][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1498.269584][T25438] __msan_chain_origin+0x57/0xa0 [ 1498.275183][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1498.280457][T25438] get_compat_msghdr+0x108/0x2b0 [ 1498.285614][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1498.290286][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1498.295552][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1498.302247][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1498.309887][T25438] __do_fast_syscall_32+0x129/0x180 [ 1498.316157][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1498.322299][T25438] do_SYSENTER_32+0x73/0x90 [ 1498.328326][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1498.335505][T25438] [ 1498.338267][T25438] Uninit was stored to memory at: [ 1498.343938][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1498.350332][T25438] __msan_chain_origin+0x57/0xa0 [ 1498.356276][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1498.363250][T25438] get_compat_msghdr+0x108/0x2b0 [ 1498.368503][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1498.375110][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1498.380814][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1498.387461][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1498.394133][T25438] __do_fast_syscall_32+0x129/0x180 [ 1498.400603][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1498.405709][T25438] do_SYSENTER_32+0x73/0x90 [ 1498.410268][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1498.416710][T25438] [ 1498.419390][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1498.426174][T25438] do_recvmmsg+0xc2/0x22e0 [ 1498.431241][T25438] do_recvmmsg+0xc2/0x22e0 [ 1498.824747][T25439] not chained 730000 origins [ 1498.830321][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1498.839760][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1498.853711][T25439] Call Trace: [ 1498.857659][T25439] dump_stack+0x21c/0x280 [ 1498.862590][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1498.870924][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1498.879635][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.886423][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1498.892631][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1498.900945][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1498.907872][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.915089][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.923364][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1498.932575][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1498.942212][T25439] ? _copy_from_user+0x201/0x310 [ 1498.947576][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.954291][T25439] __msan_chain_origin+0x57/0xa0 [ 1498.959879][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1498.965945][T25439] get_compat_msghdr+0x108/0x2b0 [ 1498.972259][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1498.978757][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.984090][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1498.989633][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1498.996763][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1499.003071][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1499.008649][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.013728][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1499.020977][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1499.026704][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.033448][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.041596][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.050966][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.056482][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.062552][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.070746][T25439] RIP: 0023:0xf7f69549 [ 1499.075987][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1499.098399][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1499.107837][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1499.116673][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1499.125916][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1499.134365][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1499.143028][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1499.151285][T25439] Uninit was stored to memory at: [ 1499.156434][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.163209][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.168539][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.174381][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.179807][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.184428][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.189851][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.196307][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.202746][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.208378][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.213772][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.218394][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.225264][T25439] [ 1499.227855][T25439] Uninit was stored to memory at: [ 1499.233171][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.239879][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.245290][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.250627][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.256149][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.265658][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.271678][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.278685][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.285944][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.291913][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.297503][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.305031][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.312763][T25439] [ 1499.315779][T25439] Uninit was stored to memory at: [ 1499.323867][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.330508][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.336290][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.342134][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.347425][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.352673][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.358342][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.365112][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.372565][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.378637][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.384444][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.390015][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.397838][T25439] [ 1499.401017][T25439] Uninit was stored to memory at: [ 1499.406670][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.413743][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.419456][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.424837][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.430815][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.435948][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.441256][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.447943][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.454800][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.461121][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.467497][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.472403][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.478929][T25439] [ 1499.481951][T25439] Uninit was stored to memory at: [ 1499.488366][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.495515][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.502323][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.509656][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.516923][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.522318][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.528180][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.536951][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.544522][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.550074][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.556380][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.561533][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.569888][T25439] [ 1499.572348][T25439] Uninit was stored to memory at: [ 1499.578946][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.585311][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.590275][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.596264][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.601730][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.606685][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.611894][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.618605][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.625875][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.631548][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.636613][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.641573][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.648054][T25439] [ 1499.650487][T25439] Uninit was stored to memory at: [ 1499.656298][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1499.663430][T25439] __msan_chain_origin+0x57/0xa0 [ 1499.669613][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1499.674740][T25439] get_compat_msghdr+0x108/0x2b0 [ 1499.679733][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1499.684433][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1499.689131][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1499.695377][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1499.702336][T25439] __do_fast_syscall_32+0x129/0x180 [ 1499.707601][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1499.712553][T25439] do_SYSENTER_32+0x73/0x90 [ 1499.717333][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1499.724041][T25439] [ 1499.726606][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1499.733334][T25439] do_recvmmsg+0xc2/0x22e0 [ 1499.737766][T25439] do_recvmmsg+0xc2/0x22e0 [ 1500.113726][T25438] not chained 740000 origins [ 1500.118481][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1500.127158][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1500.137229][T25438] Call Trace: [ 1500.140633][T25438] dump_stack+0x21c/0x280 [ 1500.144988][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1500.150753][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1500.156858][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.162079][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1500.167969][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1500.174056][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1500.179450][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.184669][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1500.190332][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1500.196537][T25438] ? _copy_from_user+0x201/0x310 [ 1500.201496][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.206713][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.211694][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.216858][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.221872][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.226417][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.231668][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.236894][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1500.242575][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1500.247876][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1500.252653][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.257359][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1500.263213][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1500.268445][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.274532][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.280760][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.286081][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.290983][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.295507][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.301852][T25438] RIP: 0023:0xf7f69549 [ 1500.305932][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1500.325721][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1500.334170][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1500.342210][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1500.350374][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1500.358478][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1500.366556][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1500.374547][T25438] Uninit was stored to memory at: [ 1500.379592][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.385359][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.390310][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.395463][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.400537][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.405089][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.409791][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.415971][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.422236][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.427447][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.432312][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.437790][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.444118][T25438] [ 1500.446453][T25438] Uninit was stored to memory at: [ 1500.451548][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.457297][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.462259][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.467411][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.472368][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.476908][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.481620][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.487717][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.493905][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.499137][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.504006][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.508654][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.514977][T25438] [ 1500.517307][T25438] Uninit was stored to memory at: [ 1500.522345][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.528077][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.533039][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.538187][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.543141][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.547651][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.552375][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.558554][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.564754][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.569973][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.575038][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.579568][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.585920][T25438] [ 1500.588255][T25438] Uninit was stored to memory at: [ 1500.593775][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.599608][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.604563][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.609720][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.614678][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.619194][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.623894][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.629981][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.636165][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.641418][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.646341][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.650934][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.657286][T25438] [ 1500.659657][T25438] Uninit was stored to memory at: [ 1500.664984][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.670745][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.675964][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.681091][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.686074][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.690609][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.695318][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.702020][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.708308][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.713524][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.718397][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.722934][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.729783][T25438] [ 1500.732123][T25438] Uninit was stored to memory at: [ 1500.738128][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.743866][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.748911][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.754057][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.759021][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.763546][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.768338][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.774430][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.780611][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.785837][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.790780][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.795320][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.801737][T25438] [ 1500.804799][T25438] Uninit was stored to memory at: [ 1500.810120][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1500.815868][T25438] __msan_chain_origin+0x57/0xa0 [ 1500.820826][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1500.825969][T25438] get_compat_msghdr+0x108/0x2b0 [ 1500.830934][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1500.835482][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1500.840191][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1500.846277][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1500.852459][T25438] __do_fast_syscall_32+0x129/0x180 [ 1500.857875][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1500.862741][T25438] do_SYSENTER_32+0x73/0x90 [ 1500.867258][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1500.874365][T25438] [ 1500.877134][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1500.883822][T25438] do_recvmmsg+0xc2/0x22e0 [ 1500.888245][T25438] do_recvmmsg+0xc2/0x22e0 [ 1501.160874][T25439] not chained 750000 origins [ 1501.165603][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1501.174440][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1501.184827][T25439] Call Trace: [ 1501.188143][T25439] dump_stack+0x21c/0x280 [ 1501.192495][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1501.198243][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1501.204768][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.209991][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1501.215821][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1501.221909][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1501.227321][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.232557][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.237925][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1501.243597][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1501.249691][T25439] ? _copy_from_user+0x201/0x310 [ 1501.254669][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.259885][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.264845][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.269980][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.274936][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.279546][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.284789][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.289998][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1501.295701][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1501.301079][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1501.305902][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.310617][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1501.316473][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1501.321699][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.329036][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.335223][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.340469][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.345328][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.349866][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.356210][T25439] RIP: 0023:0xf7f69549 [ 1501.360290][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1501.380179][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1501.388614][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1501.396628][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1501.404621][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1501.412899][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1501.420903][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1501.428883][T25439] Uninit was stored to memory at: [ 1501.433932][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.439695][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.444670][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.449806][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.454763][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.459281][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.464004][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.470100][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.476385][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.481884][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.486772][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.491314][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.497643][T25439] [ 1501.499978][T25439] Uninit was stored to memory at: [ 1501.505391][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.511125][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.516082][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.521567][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.526546][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.531578][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.537498][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.543584][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.549752][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.555062][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.560348][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.565272][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.571941][T25439] [ 1501.574371][T25439] Uninit was stored to memory at: [ 1501.580908][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.586666][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.591647][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.596780][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.601773][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.606393][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.611110][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.617206][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.623508][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.628721][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.633580][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.638104][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.644430][T25439] [ 1501.646856][T25439] Uninit was stored to memory at: [ 1501.651900][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.657640][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.662677][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.667795][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.672771][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.677477][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.682197][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.688290][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.694577][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.699885][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.705114][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.709633][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.716564][T25439] [ 1501.719516][T25439] Uninit was stored to memory at: [ 1501.725260][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.731990][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.736980][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.742231][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.747187][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.751822][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.756529][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.762731][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.769103][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.774401][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.780353][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.784863][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.791185][T25439] [ 1501.793534][T25439] Uninit was stored to memory at: [ 1501.798596][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.804501][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.809793][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.814909][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.820132][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.824632][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.829331][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.835407][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.841587][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.846806][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.851692][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.856199][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.862524][T25439] [ 1501.864867][T25439] Uninit was stored to memory at: [ 1501.869992][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1501.876023][T25439] __msan_chain_origin+0x57/0xa0 [ 1501.880994][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1501.886220][T25439] get_compat_msghdr+0x108/0x2b0 [ 1501.891179][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1501.895711][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1501.900406][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1501.906498][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1501.912678][T25439] __do_fast_syscall_32+0x129/0x180 [ 1501.917914][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1501.923140][T25439] do_SYSENTER_32+0x73/0x90 [ 1501.927687][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1501.934025][T25439] [ 1501.936353][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1501.943035][T25439] do_recvmmsg+0xc2/0x22e0 [ 1501.947465][T25439] do_recvmmsg+0xc2/0x22e0 [ 1502.256945][T25438] not chained 760000 origins [ 1502.261599][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1502.270293][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1502.280541][T25438] Call Trace: [ 1502.284206][T25438] dump_stack+0x21c/0x280 [ 1502.289347][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1502.295227][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1502.301318][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.306535][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1502.314066][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1502.320509][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1502.325915][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.331177][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1502.336860][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1502.343060][T25438] ? _copy_from_user+0x201/0x310 [ 1502.348047][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.353270][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.358234][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.363645][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.368603][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.373154][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.378381][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.383783][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1502.389453][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1502.394761][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1502.399623][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.404317][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1502.410148][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1502.415564][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.421744][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.428095][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.433325][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.438206][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.442729][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.449070][T25438] RIP: 0023:0xf7f69549 [ 1502.453776][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1502.473568][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1502.482530][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1502.490608][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1502.498600][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1502.507985][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1502.515971][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1502.524325][T25438] Uninit was stored to memory at: [ 1502.529390][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.535168][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.540121][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.545276][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.550259][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.554769][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.559663][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.565742][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.571911][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.577131][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.582132][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.586689][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.593046][T25438] [ 1502.595375][T25438] Uninit was stored to memory at: [ 1502.600419][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.606185][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.612820][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.617982][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.623733][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.629821][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.634611][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.641061][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.647297][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.652592][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.657463][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.662027][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.668377][T25438] [ 1502.670732][T25438] Uninit was stored to memory at: [ 1502.675887][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.682083][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.687029][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.692415][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.697446][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.701958][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.706653][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.713283][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.719482][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.724712][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.729595][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.734119][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.740446][T25438] [ 1502.742801][T25438] Uninit was stored to memory at: [ 1502.747850][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.753639][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.758628][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.763794][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.768771][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.773288][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.777981][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.784153][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.790341][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.795568][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.800450][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.805144][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.811608][T25438] [ 1502.814036][T25438] Uninit was stored to memory at: [ 1502.819252][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.825077][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.830052][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.835369][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.840343][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.844887][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.849601][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.855722][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.862166][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.867740][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.872702][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.877319][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.884139][T25438] [ 1502.886469][T25438] Uninit was stored to memory at: [ 1502.891513][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.897256][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.902217][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.907436][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.913006][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.918269][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.923122][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1502.929215][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1502.935411][T25438] __do_fast_syscall_32+0x129/0x180 [ 1502.940994][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1502.945862][T25438] do_SYSENTER_32+0x73/0x90 [ 1502.950400][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1502.956896][T25438] [ 1502.959227][T25438] Uninit was stored to memory at: [ 1502.964278][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1502.970034][T25438] __msan_chain_origin+0x57/0xa0 [ 1502.975022][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1502.980162][T25438] get_compat_msghdr+0x108/0x2b0 [ 1502.985300][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1502.989847][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1502.994552][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.000683][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.006955][T25438] __do_fast_syscall_32+0x129/0x180 [ 1503.012173][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1503.017836][T25438] do_SYSENTER_32+0x73/0x90 [ 1503.022360][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1503.029503][T25438] [ 1503.031843][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1503.038565][T25438] do_recvmmsg+0xc2/0x22e0 [ 1503.043522][T25438] do_recvmmsg+0xc2/0x22e0 [ 1503.450004][T25439] not chained 770000 origins [ 1503.454677][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1503.463364][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1503.473435][T25439] Call Trace: [ 1503.476752][T25439] dump_stack+0x21c/0x280 [ 1503.481132][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1503.486895][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1503.493166][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.498414][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1503.504254][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1503.510338][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1503.515732][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.520951][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.526988][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1503.532659][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1503.539990][T25439] ? _copy_from_user+0x201/0x310 [ 1503.545209][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.550426][T25439] __msan_chain_origin+0x57/0xa0 [ 1503.555495][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1503.560631][T25439] get_compat_msghdr+0x108/0x2b0 [ 1503.565583][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1503.570104][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.575320][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.580533][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1503.586198][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1503.591522][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1503.596297][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1503.601168][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1503.607054][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1503.612301][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.618411][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.624603][T25439] __do_fast_syscall_32+0x129/0x180 [ 1503.629845][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1503.634727][T25439] do_SYSENTER_32+0x73/0x90 [ 1503.639295][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1503.645671][T25439] RIP: 0023:0xf7f69549 [ 1503.649771][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1503.669570][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1503.678350][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1503.686331][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1503.694343][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1503.702379][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1503.710775][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1503.718860][T25439] Uninit was stored to memory at: [ 1503.725563][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1503.731376][T25439] __msan_chain_origin+0x57/0xa0 [ 1503.736327][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1503.741445][T25439] get_compat_msghdr+0x108/0x2b0 [ 1503.746378][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1503.750883][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1503.755585][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.761670][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.767828][T25439] __do_fast_syscall_32+0x129/0x180 [ 1503.773029][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1503.778490][T25439] do_SYSENTER_32+0x73/0x90 [ 1503.783024][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1503.789338][T25439] [ 1503.791680][T25439] Uninit was stored to memory at: [ 1503.796804][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1503.802646][T25439] __msan_chain_origin+0x57/0xa0 [ 1503.808731][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1503.813843][T25439] get_compat_msghdr+0x108/0x2b0 [ 1503.818801][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1503.823299][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1503.827984][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.834322][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.840484][T25439] __do_fast_syscall_32+0x129/0x180 [ 1503.845685][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1503.850559][T25439] do_SYSENTER_32+0x73/0x90 [ 1503.855074][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1503.861428][T25439] [ 1503.863744][T25439] Uninit was stored to memory at: [ 1503.869294][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1503.875014][T25439] __msan_chain_origin+0x57/0xa0 [ 1503.880039][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1503.885152][T25439] get_compat_msghdr+0x108/0x2b0 [ 1503.890185][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1503.894788][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1503.899468][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.905715][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.911898][T25439] __do_fast_syscall_32+0x129/0x180 [ 1503.917102][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1503.922129][T25439] do_SYSENTER_32+0x73/0x90 [ 1503.926657][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1503.932974][T25439] [ 1503.935302][T25439] Uninit was stored to memory at: [ 1503.940766][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1503.946501][T25439] __msan_chain_origin+0x57/0xa0 [ 1503.951446][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1503.956579][T25439] get_compat_msghdr+0x108/0x2b0 [ 1503.961516][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1503.966033][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1503.971600][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1503.977787][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1503.983947][T25439] __do_fast_syscall_32+0x129/0x180 [ 1503.989174][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1503.994468][T25439] do_SYSENTER_32+0x73/0x90 [ 1503.998979][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1504.005291][T25439] [ 1504.007614][T25439] Uninit was stored to memory at: [ 1504.012648][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1504.018370][T25439] __msan_chain_origin+0x57/0xa0 [ 1504.023308][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1504.028687][T25439] get_compat_msghdr+0x108/0x2b0 [ 1504.033622][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1504.038123][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1504.042807][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1504.048965][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1504.055127][T25439] __do_fast_syscall_32+0x129/0x180 [ 1504.060362][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1504.065228][T25439] do_SYSENTER_32+0x73/0x90 [ 1504.069825][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1504.076282][T25439] [ 1504.078609][T25439] Uninit was stored to memory at: [ 1504.083645][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1504.089369][T25439] __msan_chain_origin+0x57/0xa0 [ 1504.095377][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1504.100500][T25439] get_compat_msghdr+0x108/0x2b0 [ 1504.105874][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1504.110382][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1504.115154][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1504.121234][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1504.127531][T25439] __do_fast_syscall_32+0x129/0x180 [ 1504.132738][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1504.137591][T25439] do_SYSENTER_32+0x73/0x90 [ 1504.142106][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1504.148419][T25439] [ 1504.150749][T25439] Uninit was stored to memory at: [ 1504.155789][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1504.161533][T25439] __msan_chain_origin+0x57/0xa0 [ 1504.167019][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1504.172136][T25439] get_compat_msghdr+0x108/0x2b0 [ 1504.177433][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1504.182293][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1504.186990][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1504.193414][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1504.199606][T25439] __do_fast_syscall_32+0x129/0x180 [ 1504.204813][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1504.209675][T25439] do_SYSENTER_32+0x73/0x90 [ 1504.214184][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1504.220514][T25439] [ 1504.222859][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1504.229539][T25439] do_recvmmsg+0xc2/0x22e0 [ 1504.233964][T25439] do_recvmmsg+0xc2/0x22e0 [ 1505.182970][T25438] not chained 780000 origins [ 1505.187647][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1505.196873][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1505.206974][T25438] Call Trace: [ 1505.210292][T25438] dump_stack+0x21c/0x280 [ 1505.214658][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1505.220399][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1505.226490][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.231709][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1505.237713][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1505.244330][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1505.249758][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.254995][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1505.260692][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1505.266802][T25438] ? _copy_from_user+0x201/0x310 [ 1505.271765][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.277006][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.281965][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.287101][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.292066][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.296599][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.301939][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.307157][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1505.313069][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1505.318814][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1505.323593][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.328492][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1505.334323][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1505.339637][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.346027][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.352507][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.358263][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.363342][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.368610][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.375129][T25438] RIP: 0023:0xf7f69549 [ 1505.379660][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1505.400505][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1505.409685][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1505.417795][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1505.425784][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1505.433776][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1505.441801][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1505.449791][T25438] Uninit was stored to memory at: [ 1505.454841][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.460576][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.465530][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.470654][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.475623][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.480128][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.484820][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.490902][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.497078][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.502319][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.507721][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.513165][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.519518][T25438] [ 1505.521885][T25438] Uninit was stored to memory at: [ 1505.526940][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.533375][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.538338][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.543461][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.549374][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.553885][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.561189][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.567276][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.574413][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.579676][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.584550][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.589066][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.595385][T25438] [ 1505.597709][T25438] Uninit was stored to memory at: [ 1505.602853][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.610782][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.615739][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.620860][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.625805][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.630317][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.635020][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.641263][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.647460][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.652692][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.657746][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.662282][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.668783][T25438] [ 1505.671111][T25438] Uninit was stored to memory at: [ 1505.676152][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.681975][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.686940][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.692074][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.697028][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.701538][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.706222][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.713784][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.720049][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.725765][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.730668][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.735211][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.741949][T25438] [ 1505.744280][T25438] Uninit was stored to memory at: [ 1505.749323][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.755066][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.760137][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.765288][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.770274][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.774806][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.779502][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.786349][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.792523][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.797766][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.802737][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.807793][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.814135][T25438] [ 1505.816468][T25438] Uninit was stored to memory at: [ 1505.821511][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.827294][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.833303][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.838445][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.843416][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.847951][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.852655][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.859534][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.865722][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.870955][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.875833][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.880394][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.886761][T25438] [ 1505.889116][T25438] Uninit was stored to memory at: [ 1505.894166][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1505.899904][T25438] __msan_chain_origin+0x57/0xa0 [ 1505.904862][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1505.909997][T25438] get_compat_msghdr+0x108/0x2b0 [ 1505.915152][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1505.919784][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1505.924489][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1505.930594][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1505.936802][T25438] __do_fast_syscall_32+0x129/0x180 [ 1505.942064][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1505.946974][T25438] do_SYSENTER_32+0x73/0x90 [ 1505.951537][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1505.957870][T25438] [ 1505.960225][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1505.966927][T25438] do_recvmmsg+0xc2/0x22e0 [ 1505.971434][T25438] do_recvmmsg+0xc2/0x22e0 [ 1506.465667][T25438] not chained 790000 origins [ 1506.470414][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1506.479185][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1506.489256][T25438] Call Trace: [ 1506.492576][T25438] dump_stack+0x21c/0x280 [ 1506.496941][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1506.502709][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1506.508973][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.514213][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1506.520084][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1506.526168][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1506.531569][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.536791][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1506.542712][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1506.548822][T25438] ? _copy_from_user+0x201/0x310 [ 1506.553791][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.559015][T25438] __msan_chain_origin+0x57/0xa0 [ 1506.563970][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1506.569195][T25438] get_compat_msghdr+0x108/0x2b0 [ 1506.574168][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1506.578790][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.584104][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.589324][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1506.594985][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1506.600293][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1506.605076][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1506.609820][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1506.615659][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1506.620921][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1506.627277][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1506.633468][T25438] __do_fast_syscall_32+0x129/0x180 [ 1506.638703][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1506.643579][T25438] do_SYSENTER_32+0x73/0x90 [ 1506.648118][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1506.654503][T25438] RIP: 0023:0xf7f69549 [ 1506.658591][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1506.678243][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1506.686717][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1506.694832][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1506.702847][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1506.711380][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1506.720519][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1506.729135][T25438] Uninit was stored to memory at: [ 1506.734208][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1506.740130][T25438] __msan_chain_origin+0x57/0xa0 [ 1506.745109][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1506.750281][T25438] get_compat_msghdr+0x108/0x2b0 [ 1506.755268][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1506.759794][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1506.764493][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1506.770595][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1506.776791][T25438] __do_fast_syscall_32+0x129/0x180 [ 1506.782064][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1506.786976][T25438] do_SYSENTER_32+0x73/0x90 [ 1506.791506][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1506.797853][T25438] [ 1506.800210][T25438] Uninit was stored to memory at: [ 1506.805438][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1506.812844][T25438] __msan_chain_origin+0x57/0xa0 [ 1506.818086][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1506.823949][T25438] get_compat_msghdr+0x108/0x2b0 [ 1506.828906][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1506.833424][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1506.838774][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1506.844911][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1506.851177][T25438] __do_fast_syscall_32+0x129/0x180 [ 1506.856084][T25439] not chained 800000 origins [ 1506.856427][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1506.861111][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1506.866309][T25438] do_SYSENTER_32+0x73/0x90 [ 1506.875751][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1506.880267][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1506.890387][T25439] Call Trace: [ 1506.896897][T25438] [ 1506.900247][T25439] dump_stack+0x21c/0x280 [ 1506.902572][T25438] Uninit was stored to memory at: [ 1506.907349][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1506.912554][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1506.918625][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1506.925151][T25438] __msan_chain_origin+0x57/0xa0 [ 1506.931309][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1506.936252][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1506.942181][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1506.947308][T25438] get_compat_msghdr+0x108/0x2b0 [ 1506.953114][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1506.958041][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1506.964108][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1506.968784][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1506.974171][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1506.978967][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1506.984148][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1506.990232][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1506.995441][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1507.001586][T25438] __do_fast_syscall_32+0x129/0x180 [ 1507.007222][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1507.012497][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1507.018546][T25439] ? _copy_from_user+0x201/0x310 [ 1507.023380][T25438] do_SYSENTER_32+0x73/0x90 [ 1507.028537][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1507.033041][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.040687][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.046989][T25438] [ 1507.051932][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.054263][T25438] Uninit was stored to memory at: [ 1507.059391][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.064533][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1507.069487][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.075207][T25438] __msan_chain_origin+0x57/0xa0 [ 1507.079718][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1507.084748][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1507.089954][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1507.095069][T25438] get_compat_msghdr+0x108/0x2b0 [ 1507.100261][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1507.105204][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1507.110836][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1507.115324][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1507.120609][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1507.125292][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.130047][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.136114][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.140781][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1507.146953][T25438] __do_fast_syscall_32+0x129/0x180 [ 1507.152786][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1507.159133][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1507.164346][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.169194][T25438] do_SYSENTER_32+0x73/0x90 [ 1507.175981][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.180481][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.186628][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.193889][T25438] [ 1507.199101][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.201418][T25438] Uninit was stored to memory at: [ 1507.206283][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.211419][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1507.215924][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.221915][T25438] __msan_chain_origin+0x57/0xa0 [ 1507.228328][T25439] RIP: 0023:0xf7f69549 [ 1507.233289][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1507.237352][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1507.242476][T25438] get_compat_msghdr+0x108/0x2b0 [ 1507.262153][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1507.267109][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1507.275510][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1507.280031][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1507.288017][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1507.292706][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.300883][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1507.306969][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.314933][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1507.321099][T25438] __do_fast_syscall_32+0x129/0x180 [ 1507.329230][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1507.334460][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1507.342412][T25439] Uninit was stored to memory at: [ 1507.347295][T25438] do_SYSENTER_32+0x73/0x90 [ 1507.352314][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.356813][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.362528][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.368843][T25438] [ 1507.373804][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.376114][T25438] Uninit was stored to memory at: [ 1507.381232][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.386320][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1507.391433][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.397539][T25438] __msan_chain_origin+0x57/0xa0 [ 1507.402156][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.407221][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1507.411979][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.417097][T25438] get_compat_msghdr+0x108/0x2b0 [ 1507.423689][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.428733][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1507.434898][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.439394][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1507.444692][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.449393][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.454545][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.460631][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.465593][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.471751][T25438] __do_fast_syscall_32+0x129/0x180 [ 1507.478169][T25439] [ 1507.483535][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1507.485863][T25439] Uninit was stored to memory at: [ 1507.491087][T25438] do_SYSENTER_32+0x73/0x90 [ 1507.496606][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.501123][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.506872][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.514137][T25438] [ 1507.519173][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.521461][T25438] Uninit was stored to memory at: [ 1507.526762][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.531956][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1507.537176][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.543122][T25438] __msan_chain_origin+0x57/0xa0 [ 1507.547609][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.552575][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1507.557244][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.562356][T25438] get_compat_msghdr+0x108/0x2b0 [ 1507.568425][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.573346][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1507.579502][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.584001][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1507.589197][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.593923][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.598878][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.604947][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.609479][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.615632][T25438] __do_fast_syscall_32+0x129/0x180 [ 1507.621937][T25439] [ 1507.627155][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1507.629488][T25439] Uninit was stored to memory at: [ 1507.634355][T25438] do_SYSENTER_32+0x73/0x90 [ 1507.639390][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.643881][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.649611][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.655915][T25438] [ 1507.660859][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.663182][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1507.668309][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.675066][T25438] do_recvmmsg+0xc2/0x22e0 [ 1507.680005][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.684680][T25438] do_recvmmsg+0xc2/0x22e0 [ 1507.689179][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.698355][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.704479][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.710753][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.716014][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.720994][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.725714][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.732506][T25439] [ 1507.734965][T25439] Uninit was stored to memory at: [ 1507.740097][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.745849][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.750821][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.755994][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.760952][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.765472][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.770204][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.776294][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.782474][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.787698][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.792571][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.797097][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.803423][T25439] [ 1507.805748][T25439] Uninit was stored to memory at: [ 1507.810831][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.816570][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.821558][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.826686][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.831653][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.836191][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.840898][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.847010][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.853195][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.858511][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.863499][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.868023][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.874352][T25439] [ 1507.876683][T25439] Uninit was stored to memory at: [ 1507.881749][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.887489][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.892531][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.897658][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.902633][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.907140][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.911834][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.917966][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.924199][T25439] __do_fast_syscall_32+0x129/0x180 [ 1507.929417][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1507.934277][T25439] do_SYSENTER_32+0x73/0x90 [ 1507.938799][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1507.945122][T25439] [ 1507.947453][T25439] Uninit was stored to memory at: [ 1507.952495][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1507.958881][T25439] __msan_chain_origin+0x57/0xa0 [ 1507.964021][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1507.969517][T25439] get_compat_msghdr+0x108/0x2b0 [ 1507.974487][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1507.979134][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1507.984019][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1507.990117][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1507.996323][T25439] __do_fast_syscall_32+0x129/0x180 [ 1508.001558][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1508.006467][T25439] do_SYSENTER_32+0x73/0x90 [ 1508.011034][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1508.017420][T25439] [ 1508.019764][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1508.026468][T25439] do_recvmmsg+0xc2/0x22e0 [ 1508.030908][T25439] do_recvmmsg+0xc2/0x22e0 [ 1509.011474][T25438] not chained 810000 origins [ 1509.016119][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1509.024792][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1509.034871][T25438] Call Trace: [ 1509.038203][T25438] dump_stack+0x21c/0x280 [ 1509.042576][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1509.048319][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1509.054441][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.060107][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1509.065949][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1509.072254][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1509.077657][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.083025][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1509.088719][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1509.094849][T25438] ? _copy_from_user+0x201/0x310 [ 1509.099831][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.105074][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.110046][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.115193][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.120247][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.124786][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.130077][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.135314][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1509.140981][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1509.146290][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1509.151286][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.155998][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1509.162010][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1509.167359][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.173467][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.179648][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.184963][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.189844][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.194401][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.201101][T25438] RIP: 0023:0xf7f69549 [ 1509.205188][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1509.224810][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1509.233247][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1509.241247][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1509.249239][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1509.257230][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1509.266178][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1509.274521][T25438] Uninit was stored to memory at: [ 1509.279578][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.285362][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.290331][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.295468][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.300442][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.304974][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.309680][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.315776][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.321962][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.327190][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.332246][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.336787][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.343288][T25438] [ 1509.345622][T25438] Uninit was stored to memory at: [ 1509.350670][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.356456][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.361425][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.366559][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.371605][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.376151][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.380857][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.387170][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.393381][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.398655][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.403612][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.408234][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.414599][T25438] [ 1509.416943][T25438] Uninit was stored to memory at: [ 1509.422096][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.427878][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.432851][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.437992][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.442993][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.447516][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.452215][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.458395][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.464570][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.469793][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.474676][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.479196][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.485514][T25438] [ 1509.487842][T25438] Uninit was stored to memory at: [ 1509.492912][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.498649][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.503619][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.508746][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.513781][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.518292][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.522993][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.529100][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.535311][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.540562][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.545436][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.549963][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.556291][T25438] [ 1509.558625][T25438] Uninit was stored to memory at: [ 1509.563692][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.569471][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.574446][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.579593][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.584551][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.589151][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.593932][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.600031][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.606214][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.611433][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.616331][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.620938][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.627446][T25438] [ 1509.629779][T25438] Uninit was stored to memory at: [ 1509.634838][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.640732][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.645733][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.650912][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.655891][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.660461][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.665164][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.671267][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.677888][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.683176][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.688228][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.692799][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.700082][T25438] [ 1509.702415][T25438] Uninit was stored to memory at: [ 1509.707460][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1509.713210][T25438] __msan_chain_origin+0x57/0xa0 [ 1509.718179][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1509.723397][T25438] get_compat_msghdr+0x108/0x2b0 [ 1509.728968][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1509.733489][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1509.738188][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1509.744455][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1509.750988][T25438] __do_fast_syscall_32+0x129/0x180 [ 1509.756208][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1509.761075][T25438] do_SYSENTER_32+0x73/0x90 [ 1509.765606][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1509.772032][T25438] [ 1509.774366][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1509.781105][T25438] do_recvmmsg+0xc2/0x22e0 [ 1509.785581][T25438] do_recvmmsg+0xc2/0x22e0 [ 1510.525160][T25439] not chained 820000 origins [ 1510.529831][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1510.538515][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1510.548584][T25439] Call Trace: [ 1510.551906][T25439] dump_stack+0x21c/0x280 [ 1510.556344][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1510.562108][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1510.568276][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.573519][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1510.579363][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1510.585464][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1510.591040][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.596276][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.601529][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1510.607190][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1510.613321][T25439] ? _copy_from_user+0x201/0x310 [ 1510.618421][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.623649][T25439] __msan_chain_origin+0x57/0xa0 [ 1510.629938][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1510.635085][T25439] get_compat_msghdr+0x108/0x2b0 [ 1510.640047][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1510.644584][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.649887][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.655137][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1510.660812][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1510.666126][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1510.671005][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1510.675714][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1510.681550][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1510.686781][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1510.692882][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1510.699190][T25439] __do_fast_syscall_32+0x129/0x180 [ 1510.704886][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1510.709763][T25439] do_SYSENTER_32+0x73/0x90 [ 1510.714297][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1510.720669][T25439] RIP: 0023:0xf7f69549 [ 1510.724761][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1510.748832][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1510.757899][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1510.765900][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1510.774368][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1510.782628][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1510.790723][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1510.800125][T25439] Uninit was stored to memory at: [ 1510.805180][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1510.810928][T25439] __msan_chain_origin+0x57/0xa0 [ 1510.815896][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1510.821035][T25439] get_compat_msghdr+0x108/0x2b0 [ 1510.825996][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1510.830540][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1510.835445][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1510.841539][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1510.847732][T25439] __do_fast_syscall_32+0x129/0x180 [ 1510.852955][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1510.857839][T25439] do_SYSENTER_32+0x73/0x90 [ 1510.862371][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1510.868704][T25439] [ 1510.871037][T25439] Uninit was stored to memory at: [ 1510.876085][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1510.881841][T25439] __msan_chain_origin+0x57/0xa0 [ 1510.886840][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1510.892010][T25439] get_compat_msghdr+0x108/0x2b0 [ 1510.896969][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1510.901491][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1510.906193][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1510.912313][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1510.918509][T25439] __do_fast_syscall_32+0x129/0x180 [ 1510.923739][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1510.928622][T25439] do_SYSENTER_32+0x73/0x90 [ 1510.933151][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1510.939476][T25439] [ 1510.941824][T25439] Uninit was stored to memory at: [ 1510.947668][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1510.953854][T25439] __msan_chain_origin+0x57/0xa0 [ 1510.958807][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1510.963952][T25439] get_compat_msghdr+0x108/0x2b0 [ 1510.968914][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1510.973439][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1510.978842][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1510.984940][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1510.991124][T25439] __do_fast_syscall_32+0x129/0x180 [ 1510.996498][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.001401][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.005956][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.012281][T25439] [ 1511.014612][T25439] Uninit was stored to memory at: [ 1511.019772][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1511.025521][T25439] __msan_chain_origin+0x57/0xa0 [ 1511.031713][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1511.036844][T25439] get_compat_msghdr+0x108/0x2b0 [ 1511.041806][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1511.046417][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1511.051111][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1511.057197][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1511.063424][T25439] __do_fast_syscall_32+0x129/0x180 [ 1511.068789][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.073683][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.078212][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.084620][T25439] [ 1511.086951][T25439] Uninit was stored to memory at: [ 1511.091996][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1511.097750][T25439] __msan_chain_origin+0x57/0xa0 [ 1511.102713][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1511.107839][T25439] get_compat_msghdr+0x108/0x2b0 [ 1511.112808][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1511.117325][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1511.122027][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1511.128116][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1511.134676][T25439] __do_fast_syscall_32+0x129/0x180 [ 1511.139911][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.144787][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.149482][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.155822][T25439] [ 1511.158154][T25439] Uninit was stored to memory at: [ 1511.163207][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1511.168950][T25439] __msan_chain_origin+0x57/0xa0 [ 1511.173928][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1511.179063][T25439] get_compat_msghdr+0x108/0x2b0 [ 1511.184021][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1511.188609][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1511.193313][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1511.199452][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1511.205643][T25439] __do_fast_syscall_32+0x129/0x180 [ 1511.210889][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.216482][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.221005][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.227327][T25439] [ 1511.229657][T25439] Uninit was stored to memory at: [ 1511.235047][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1511.240810][T25439] __msan_chain_origin+0x57/0xa0 [ 1511.246399][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1511.251551][T25439] get_compat_msghdr+0x108/0x2b0 [ 1511.256506][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1511.261027][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1511.265725][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1511.272337][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1511.278813][T25439] __do_fast_syscall_32+0x129/0x180 [ 1511.284033][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.288900][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.293851][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.300345][T25439] [ 1511.302705][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1511.309397][T25439] do_recvmmsg+0xc2/0x22e0 [ 1511.314388][T25439] do_recvmmsg+0xc2/0x22e0 [ 1511.764319][T25439] not chained 830000 origins [ 1511.768971][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1511.777733][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1511.787889][T25439] Call Trace: [ 1511.791221][T25439] dump_stack+0x21c/0x280 [ 1511.795574][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1511.801407][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1511.807524][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.812743][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1511.818574][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1511.824898][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1511.830330][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.835573][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.840803][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1511.846464][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1511.852565][T25439] ? _copy_from_user+0x201/0x310 [ 1511.857530][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.862752][T25439] __msan_chain_origin+0x57/0xa0 [ 1511.867740][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1511.872881][T25439] get_compat_msghdr+0x108/0x2b0 [ 1511.877837][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1511.882360][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.887573][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.892805][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1511.898488][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1511.903832][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1511.908621][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1511.913326][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1511.919195][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1511.924460][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1511.930567][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1511.936769][T25439] __do_fast_syscall_32+0x129/0x180 [ 1511.942000][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1511.946873][T25439] do_SYSENTER_32+0x73/0x90 [ 1511.951395][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1511.957732][T25439] RIP: 0023:0xf7f69549 [ 1511.961821][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1511.981716][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1511.990165][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1511.998269][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1512.006343][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1512.014333][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1512.022329][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1512.030315][T25439] Uninit was stored to memory at: [ 1512.035365][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.041197][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.046167][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.051662][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.056749][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.061312][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.066008][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.072107][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.078284][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.083511][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.088380][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.092909][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.099235][T25439] [ 1512.101603][T25439] Uninit was stored to memory at: [ 1512.107173][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.112952][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.119140][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.124283][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.129252][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.133864][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.138656][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.144751][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.150939][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.156284][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.161419][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.166296][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.173321][T25439] [ 1512.175832][T25439] Uninit was stored to memory at: [ 1512.180889][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.186630][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.191590][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.196735][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.201781][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.206326][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.211024][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.217111][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.223293][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.228515][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.233387][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.238170][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.244605][T25439] [ 1512.246955][T25439] Uninit was stored to memory at: [ 1512.252006][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.257745][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.262962][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.269227][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.274220][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.278773][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.284354][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.290449][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.296643][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.301888][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.306801][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.311378][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.317717][T25439] [ 1512.320065][T25439] Uninit was stored to memory at: [ 1512.325141][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.330900][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.335869][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.341019][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.345989][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.350717][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.355427][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.361508][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.367732][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.373000][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.377887][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.382458][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.388806][T25439] [ 1512.391171][T25439] Uninit was stored to memory at: [ 1512.396232][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.401969][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.406938][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.412063][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.417006][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.421782][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.426556][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.432666][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.438841][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.444047][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.448951][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.453460][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.459777][T25439] [ 1512.462186][T25439] Uninit was stored to memory at: [ 1512.467223][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1512.473124][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.478069][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.483193][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.488137][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.492650][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1512.497347][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1512.503603][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1512.509779][T25439] __do_fast_syscall_32+0x129/0x180 [ 1512.515539][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1512.520404][T25439] do_SYSENTER_32+0x73/0x90 [ 1512.524926][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1512.531275][T25439] [ 1512.533693][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1512.540750][T25439] do_recvmmsg+0xc2/0x22e0 [ 1512.545170][T25439] do_recvmmsg+0xc2/0x22e0 [ 1512.868397][T25439] not chained 840000 origins [ 1512.873080][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1512.881950][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1512.892018][T25439] Call Trace: [ 1512.895329][T25439] dump_stack+0x21c/0x280 [ 1512.899761][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1512.905607][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1512.911719][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.916939][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1512.922768][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1512.928856][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1512.934268][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.939586][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.945675][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1512.951948][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1512.958034][T25439] ? _copy_from_user+0x201/0x310 [ 1512.963101][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.968315][T25439] __msan_chain_origin+0x57/0xa0 [ 1512.973278][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1512.978430][T25439] get_compat_msghdr+0x108/0x2b0 [ 1512.983404][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1512.987977][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.993225][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1512.998456][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1513.004126][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1513.009435][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1513.014242][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.019383][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1513.025216][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1513.030438][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.036561][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.042742][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.047971][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.053489][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.058042][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.064473][T25439] RIP: 0023:0xf7f69549 [ 1513.068580][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1513.088198][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1513.096637][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1513.104637][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1513.112853][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1513.120995][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1513.128984][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1513.136975][T25439] Uninit was stored to memory at: [ 1513.142053][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.147800][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.152860][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.157997][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.163874][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.168581][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.173285][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.179390][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.185926][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.191158][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.196038][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.200614][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.207304][T25439] [ 1513.209695][T25439] Uninit was stored to memory at: [ 1513.215616][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.221379][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.226625][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.231771][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.237003][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.241563][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.246572][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.255232][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.261423][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.266770][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.271761][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.276298][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.282659][T25439] [ 1513.285003][T25439] Uninit was stored to memory at: [ 1513.290139][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.296091][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.301174][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.306320][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.311297][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.315824][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.320524][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.326615][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.332804][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.338043][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.342923][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.347456][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.354057][T25439] [ 1513.356730][T25439] Uninit was stored to memory at: [ 1513.361795][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.367617][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.372668][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.377807][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.382859][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.387366][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.392061][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.398249][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.404455][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.409702][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.414591][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.419133][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.425832][T25439] [ 1513.428769][T25439] Uninit was stored to memory at: [ 1513.433836][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.439574][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.444540][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.449677][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.454987][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.459506][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.464202][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.470291][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.476568][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.481794][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.486667][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.491193][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.497633][T25439] [ 1513.499959][T25439] Uninit was stored to memory at: [ 1513.505011][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.510762][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.515939][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.521073][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.526122][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.530655][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.535362][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.541460][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.547679][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.552904][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.557871][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.562394][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.568896][T25439] [ 1513.571245][T25439] Uninit was stored to memory at: [ 1513.576306][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1513.582328][T25439] __msan_chain_origin+0x57/0xa0 [ 1513.587296][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1513.592428][T25439] get_compat_msghdr+0x108/0x2b0 [ 1513.597376][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1513.601892][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1513.606842][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1513.613375][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1513.619859][T25439] __do_fast_syscall_32+0x129/0x180 [ 1513.625136][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1513.630020][T25439] do_SYSENTER_32+0x73/0x90 [ 1513.634559][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1513.641031][T25439] [ 1513.643362][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1513.650051][T25439] do_recvmmsg+0xc2/0x22e0 [ 1513.654602][T25439] do_recvmmsg+0xc2/0x22e0 [ 1514.595953][T25438] not chained 850000 origins [ 1514.600696][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1514.609929][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1514.620898][T25438] Call Trace: [ 1514.624214][T25438] dump_stack+0x21c/0x280 [ 1514.628731][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1514.634502][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1514.640805][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.646026][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1514.651853][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1514.657952][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1514.663382][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.668614][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1514.674262][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1514.680367][T25438] ? _copy_from_user+0x201/0x310 [ 1514.685349][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.690597][T25438] __msan_chain_origin+0x57/0xa0 [ 1514.695620][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1514.700953][T25438] get_compat_msghdr+0x108/0x2b0 [ 1514.705996][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1514.710526][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.715854][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.721512][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1514.727516][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1514.732816][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1514.737593][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1514.742299][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1514.748137][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1514.753364][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1514.759519][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1514.765721][T25438] __do_fast_syscall_32+0x129/0x180 [ 1514.770967][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1514.775844][T25438] do_SYSENTER_32+0x73/0x90 [ 1514.780372][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1514.786826][T25438] RIP: 0023:0xf7f69549 [ 1514.791036][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1514.812141][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1514.820757][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1514.828840][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1514.836848][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1514.844849][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1514.852945][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1514.860930][T25438] Uninit was stored to memory at: [ 1514.865999][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1514.871742][T25438] __msan_chain_origin+0x57/0xa0 [ 1514.876731][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1514.881875][T25438] get_compat_msghdr+0x108/0x2b0 [ 1514.886826][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1514.891357][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1514.896046][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1514.902127][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1514.908309][T25438] __do_fast_syscall_32+0x129/0x180 [ 1514.913523][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1514.918404][T25438] do_SYSENTER_32+0x73/0x90 [ 1514.922934][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1514.929353][T25438] [ 1514.931685][T25438] Uninit was stored to memory at: [ 1514.936729][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1514.942469][T25438] __msan_chain_origin+0x57/0xa0 [ 1514.947461][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1514.952617][T25438] get_compat_msghdr+0x108/0x2b0 [ 1514.957573][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1514.962089][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1514.967763][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1514.973857][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1514.980067][T25438] __do_fast_syscall_32+0x129/0x180 [ 1514.985292][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1514.990249][T25438] do_SYSENTER_32+0x73/0x90 [ 1514.994771][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.001097][T25438] [ 1515.003425][T25438] Uninit was stored to memory at: [ 1515.008467][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.014209][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.019174][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.024324][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.029293][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.033806][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.038497][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.044945][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.051116][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.056628][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.061505][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.066054][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.072401][T25438] [ 1515.074726][T25438] Uninit was stored to memory at: [ 1515.079772][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.085524][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.090510][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.095666][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.100635][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.105147][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.109845][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.115975][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.122167][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.127392][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.132256][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.138080][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.144402][T25438] [ 1515.146736][T25438] Uninit was stored to memory at: [ 1515.151961][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.159358][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.164310][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.169434][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.174498][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.179016][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.183726][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.189817][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.196281][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.201601][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.206575][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.211474][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.217798][T25438] [ 1515.220132][T25438] Uninit was stored to memory at: [ 1515.225170][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.230935][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.235899][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.241065][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.246031][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.250655][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.255438][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.261699][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.267877][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.273101][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.277963][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.282480][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.288797][T25438] [ 1515.291124][T25438] Uninit was stored to memory at: [ 1515.296182][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.301927][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.306913][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.312070][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.317028][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.321542][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.326229][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.332327][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.338510][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.343722][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.348607][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.353209][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.359545][T25438] [ 1515.361902][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1515.368591][T25438] do_recvmmsg+0xc2/0x22e0 [ 1515.373107][T25438] do_recvmmsg+0xc2/0x22e0 [ 1515.473888][T25438] not chained 860000 origins [ 1515.478539][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1515.487223][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1515.497386][T25438] Call Trace: [ 1515.500701][T25438] dump_stack+0x21c/0x280 [ 1515.505054][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1515.510807][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1515.516914][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.522185][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1515.528026][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1515.534114][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1515.539510][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.544733][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.549950][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1515.555698][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1515.561801][T25438] ? _copy_from_user+0x201/0x310 [ 1515.566776][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.571994][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.576958][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.582103][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.587063][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.591598][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.596826][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.602056][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1515.607714][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1515.613023][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1515.617852][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.622557][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1515.628410][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1515.633635][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.639758][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.645974][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.651202][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.656080][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.660613][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.666953][T25438] RIP: 0023:0xf7f69549 [ 1515.671041][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1515.690680][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1515.699142][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1515.707189][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1515.715182][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1515.723177][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1515.731465][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1515.739458][T25438] Uninit was stored to memory at: [ 1515.744520][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.750275][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.755427][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.760595][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.765586][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.770124][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.775000][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.781624][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.787822][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.793056][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.797936][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.802465][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.809138][T25438] [ 1515.811473][T25438] Uninit was stored to memory at: [ 1515.816543][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.822983][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.827944][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.833084][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.838042][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.843262][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.848235][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.854326][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.860606][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.866959][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.871830][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.876596][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.882926][T25438] [ 1515.885309][T25438] Uninit was stored to memory at: [ 1515.890365][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.896136][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.901110][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.906249][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.911260][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.915786][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.920496][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.926644][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1515.933036][T25438] __do_fast_syscall_32+0x129/0x180 [ 1515.938263][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1515.943142][T25438] do_SYSENTER_32+0x73/0x90 [ 1515.947672][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1515.953999][T25438] [ 1515.956335][T25438] Uninit was stored to memory at: [ 1515.961393][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1515.967164][T25438] __msan_chain_origin+0x57/0xa0 [ 1515.972131][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1515.977302][T25438] get_compat_msghdr+0x108/0x2b0 [ 1515.982259][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1515.986774][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1515.991470][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1515.997586][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1516.003792][T25438] __do_fast_syscall_32+0x129/0x180 [ 1516.009082][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1516.013967][T25438] do_SYSENTER_32+0x73/0x90 [ 1516.018540][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1516.025062][T25438] [ 1516.027417][T25438] Uninit was stored to memory at: [ 1516.032512][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1516.038261][T25438] __msan_chain_origin+0x57/0xa0 [ 1516.043249][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1516.048382][T25438] get_compat_msghdr+0x108/0x2b0 [ 1516.053360][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1516.058035][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1516.062774][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1516.069746][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1516.075929][T25438] __do_fast_syscall_32+0x129/0x180 [ 1516.081180][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1516.086057][T25438] do_SYSENTER_32+0x73/0x90 [ 1516.090594][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1516.096922][T25438] [ 1516.099281][T25438] Uninit was stored to memory at: [ 1516.104439][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1516.110182][T25438] __msan_chain_origin+0x57/0xa0 [ 1516.115494][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1516.120631][T25438] get_compat_msghdr+0x108/0x2b0 [ 1516.125585][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1516.130099][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1516.134795][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1516.141262][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1516.147601][T25438] __do_fast_syscall_32+0x129/0x180 [ 1516.152828][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1516.157723][T25438] do_SYSENTER_32+0x73/0x90 [ 1516.162246][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1516.168568][T25438] [ 1516.170894][T25438] Uninit was stored to memory at: [ 1516.175948][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1516.181726][T25438] __msan_chain_origin+0x57/0xa0 [ 1516.186687][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1516.191806][T25438] get_compat_msghdr+0x108/0x2b0 [ 1516.196775][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1516.201301][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1516.206527][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1516.212630][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1516.218851][T25438] __do_fast_syscall_32+0x129/0x180 [ 1516.224083][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1516.228961][T25438] do_SYSENTER_32+0x73/0x90 [ 1516.233482][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1516.239814][T25438] [ 1516.242149][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1516.248846][T25438] do_recvmmsg+0xc2/0x22e0 [ 1516.253394][T25438] do_recvmmsg+0xc2/0x22e0 [ 1516.834685][T25439] not chained 870000 origins [ 1516.839335][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1516.848009][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1516.858184][T25439] Call Trace: [ 1516.862311][T25439] dump_stack+0x21c/0x280 [ 1516.866665][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1516.872542][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1516.878909][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.884562][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1516.890386][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1516.897249][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1516.903254][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.909164][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1516.914903][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1516.921244][T25439] ? _copy_from_user+0x201/0x310 [ 1516.926215][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.931432][T25439] __msan_chain_origin+0x57/0xa0 [ 1516.936407][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1516.941569][T25439] get_compat_msghdr+0x108/0x2b0 [ 1516.946565][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1516.951087][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.956311][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.961706][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1516.967886][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1516.973190][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1516.978514][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1516.983216][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1516.989162][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1516.995116][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.001223][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.007748][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.012968][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.017851][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.022457][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.032095][T25439] RIP: 0023:0xf7f69549 [ 1517.036274][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1517.056768][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1517.065288][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1517.073359][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1517.081641][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1517.089673][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1517.098463][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1517.106562][T25439] Uninit was stored to memory at: [ 1517.111621][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.117359][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.122327][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.127455][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.132728][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.137265][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.141959][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.148071][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.154238][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.159450][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.164338][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.168854][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.175291][T25439] [ 1517.177621][T25439] Uninit was stored to memory at: [ 1517.182661][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.188388][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.193341][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.199013][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.203968][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.209439][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.215090][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.221269][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.227433][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.232739][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.237698][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.242212][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.248531][T25439] [ 1517.250858][T25439] Uninit was stored to memory at: [ 1517.255903][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.261636][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.266792][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.271920][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.276872][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.281386][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.286078][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.292162][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.298429][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.303790][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.308658][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.314498][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.320824][T25439] [ 1517.323157][T25439] Uninit was stored to memory at: [ 1517.329238][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.337245][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.345891][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.352462][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.358435][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.363236][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.369117][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.377341][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.383884][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.389457][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.395945][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.400963][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.408354][T25439] [ 1517.410713][T25439] Uninit was stored to memory at: [ 1517.416114][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.421958][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.426921][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.432052][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.437004][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.441519][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.446237][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.452329][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.459202][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.464428][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.469395][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.473935][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.480266][T25439] [ 1517.482598][T25439] Uninit was stored to memory at: [ 1517.487760][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.493504][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.498460][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.503606][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.508593][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.513124][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.517827][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.523929][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.530286][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.535966][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.541197][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.546688][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.553997][T25439] [ 1517.556341][T25439] Uninit was stored to memory at: [ 1517.561408][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.567155][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.572142][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.577294][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.582260][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.586778][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.591497][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.598199][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.604383][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.609608][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.614527][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.619157][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.625499][T25439] [ 1517.627852][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1517.634540][T25439] do_recvmmsg+0xc2/0x22e0 [ 1517.638969][T25439] do_recvmmsg+0xc2/0x22e0 [ 1517.685208][T25439] not chained 880000 origins [ 1517.689860][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1517.698538][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1517.709600][T25439] Call Trace: [ 1517.712914][T25439] dump_stack+0x21c/0x280 [ 1517.717267][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1517.723020][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1517.729133][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.734366][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1517.740208][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1517.746312][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1517.751709][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.756935][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1517.762598][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1517.768698][T25439] ? _copy_from_user+0x201/0x310 [ 1517.773678][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.778995][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.783956][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.789106][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.794066][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.798782][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.804004][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.809280][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1517.814949][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1517.820270][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1517.825059][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.829759][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1517.835580][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1517.840822][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.846994][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.853166][T25439] __do_fast_syscall_32+0x129/0x180 [ 1517.858396][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1517.863784][T25439] do_SYSENTER_32+0x73/0x90 [ 1517.868305][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1517.874652][T25439] RIP: 0023:0xf7f69549 [ 1517.878731][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1517.898608][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1517.907043][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1517.915126][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1517.923120][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1517.931133][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1517.939122][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1517.947115][T25439] Uninit was stored to memory at: [ 1517.952184][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1517.957925][T25439] __msan_chain_origin+0x57/0xa0 [ 1517.962984][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1517.968118][T25439] get_compat_msghdr+0x108/0x2b0 [ 1517.973114][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1517.977665][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1517.982434][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1517.988555][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1517.998505][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.003729][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.008598][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.013133][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.019466][T25439] [ 1518.021812][T25439] Uninit was stored to memory at: [ 1518.026860][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.032617][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.037578][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.042715][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.047698][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.053112][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.057906][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.064002][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.070175][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.075397][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.080276][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.085240][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.091563][T25439] [ 1518.093891][T25439] Uninit was stored to memory at: [ 1518.098951][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.104689][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.109655][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.115608][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.120575][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.125100][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.129826][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.135921][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.142108][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.147337][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.152216][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.157273][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.163623][T25439] [ 1518.165955][T25439] Uninit was stored to memory at: [ 1518.171009][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.176766][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.181729][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.186880][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.191859][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.196405][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.201537][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.207636][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.213818][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.219079][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.223981][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.228566][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.234903][T25439] [ 1518.237587][T25439] Uninit was stored to memory at: [ 1518.242633][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.248378][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.253994][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.259142][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.264137][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.268712][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.273426][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.279524][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.285704][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.290921][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.295812][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.300562][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.306960][T25439] [ 1518.309287][T25439] Uninit was stored to memory at: [ 1518.314335][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.320078][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.325045][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.330185][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.335156][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.339664][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.344352][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.350445][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.356652][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.361911][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.366808][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.371339][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.377680][T25439] [ 1518.380016][T25439] Uninit was stored to memory at: [ 1518.385060][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.390796][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.395764][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.400902][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.406036][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.410566][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.415260][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.421610][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.427789][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.433014][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.437889][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.442414][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.448742][T25439] [ 1518.451068][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1518.457760][T25439] do_recvmmsg+0xc2/0x22e0 [ 1518.462194][T25439] do_recvmmsg+0xc2/0x22e0 [ 1518.721771][T25439] not chained 890000 origins [ 1518.726451][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1518.735131][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1518.745416][T25439] Call Trace: [ 1518.748727][T25439] dump_stack+0x21c/0x280 [ 1518.753127][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1518.758891][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1518.764991][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.770211][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1518.776043][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1518.782225][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1518.787639][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.792869][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1518.798613][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1518.804894][T25439] ? _copy_from_user+0x201/0x310 [ 1518.810166][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.815391][T25439] __msan_chain_origin+0x57/0xa0 [ 1518.820435][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1518.825990][T25439] get_compat_msghdr+0x108/0x2b0 [ 1518.830959][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1518.835498][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.840729][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.845967][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1518.851718][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1518.857137][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1518.861946][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1518.866656][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1518.872491][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1518.877721][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1518.883908][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1518.890095][T25439] __do_fast_syscall_32+0x129/0x180 [ 1518.895326][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1518.900199][T25439] do_SYSENTER_32+0x73/0x90 [ 1518.904942][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1518.912236][T25439] RIP: 0023:0xf7f69549 [ 1518.916358][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1518.936097][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1518.944567][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1518.952827][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1518.960827][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1518.968862][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1518.976872][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1518.984870][T25439] Uninit was stored to memory at: [ 1518.989931][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1518.995696][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.000659][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.006320][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.011287][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.015833][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.020550][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.026650][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.033806][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.039035][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.044010][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.048578][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.054975][T25439] [ 1519.057392][T25439] Uninit was stored to memory at: [ 1519.062465][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.068298][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.073272][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.078406][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.083363][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.087881][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.092595][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.098693][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.104886][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.110133][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.115016][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.119662][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.126010][T25439] [ 1519.128342][T25439] Uninit was stored to memory at: [ 1519.133405][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.139153][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.144110][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.149259][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.154252][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.158786][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.164443][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.170553][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.176744][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.181967][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.186834][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.191371][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.197704][T25439] [ 1519.200035][T25439] Uninit was stored to memory at: [ 1519.205084][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.210844][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.215806][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.220976][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.225933][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.230458][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.235162][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.241292][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.247704][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.252957][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.258093][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.262618][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.268946][T25439] [ 1519.271278][T25439] Uninit was stored to memory at: [ 1519.276326][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.282088][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.287668][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.292922][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.297881][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.302846][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.307710][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.313915][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.320100][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.325327][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.330455][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.334979][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.341442][T25439] [ 1519.343790][T25439] Uninit was stored to memory at: [ 1519.348852][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.354597][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.359743][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.364870][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.370618][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.375148][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.379859][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.385994][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.392181][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.397410][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.402285][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.406818][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.413203][T25439] [ 1519.415977][T25439] Uninit was stored to memory at: [ 1519.421030][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.426771][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.431733][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.436889][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.441839][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.446364][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.451065][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.457161][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.463353][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.468622][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.473502][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.478714][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.485058][T25439] [ 1519.487394][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1519.494131][T25439] do_recvmmsg+0xc2/0x22e0 [ 1519.498565][T25439] do_recvmmsg+0xc2/0x22e0 [ 1519.638477][T25439] not chained 900000 origins [ 1519.643206][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1519.651995][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1519.662065][T25439] Call Trace: [ 1519.665378][T25439] dump_stack+0x21c/0x280 [ 1519.669737][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1519.675596][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1519.681690][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.686922][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1519.692822][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1519.700332][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1519.705744][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.711322][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1519.717089][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1519.723357][T25439] ? _copy_from_user+0x201/0x310 [ 1519.728339][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.733804][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.738982][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.744769][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.749812][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.754346][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.759571][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.764794][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1519.770453][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1519.775852][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1519.780652][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.785978][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1519.791894][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1519.797137][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.803240][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.809689][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.815185][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.820090][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.824633][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.831036][T25439] RIP: 0023:0xf7f69549 [ 1519.835136][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1519.854963][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1519.863418][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1519.871920][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1519.880249][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1519.888255][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1519.896326][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1519.904305][T25439] Uninit was stored to memory at: [ 1519.909355][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.915090][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.920084][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.925218][T25439] get_compat_msghdr+0x108/0x2b0 [ 1519.930165][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1519.934682][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1519.939382][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1519.945465][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1519.951660][T25439] __do_fast_syscall_32+0x129/0x180 [ 1519.956900][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1519.961807][T25439] do_SYSENTER_32+0x73/0x90 [ 1519.966334][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1519.972836][T25439] [ 1519.975255][T25439] Uninit was stored to memory at: [ 1519.980448][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1519.986198][T25439] __msan_chain_origin+0x57/0xa0 [ 1519.991144][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1519.996285][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.001237][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.005746][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.010479][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.016652][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.022823][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.028133][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.032998][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.037522][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.043848][T25439] [ 1520.046198][T25439] Uninit was stored to memory at: [ 1520.051811][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1520.057775][T25439] __msan_chain_origin+0x57/0xa0 [ 1520.063900][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1520.069047][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.074011][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.078706][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.083458][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.089569][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.095752][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.100987][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.105973][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.111031][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.117386][T25439] [ 1520.119746][T25439] Uninit was stored to memory at: [ 1520.124819][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1520.130570][T25439] __msan_chain_origin+0x57/0xa0 [ 1520.135658][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1520.140801][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.145787][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.150314][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.155020][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.161112][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.167324][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.172555][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.177442][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.182509][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.188840][T25439] [ 1520.191176][T25439] Uninit was stored to memory at: [ 1520.196246][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1520.202000][T25439] __msan_chain_origin+0x57/0xa0 [ 1520.206968][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1520.212106][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.217153][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.221676][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.226552][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.232652][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.238967][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.244453][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.249427][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.253976][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.260320][T25439] [ 1520.262658][T25439] Uninit was stored to memory at: [ 1520.267712][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1520.273469][T25439] __msan_chain_origin+0x57/0xa0 [ 1520.278462][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1520.283612][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.288574][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.293124][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.298185][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.304382][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.310596][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.320988][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.326221][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.330920][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.338017][T25439] [ 1520.341420][T25439] Uninit was stored to memory at: [ 1520.347278][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1520.353028][T25439] __msan_chain_origin+0x57/0xa0 [ 1520.358043][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1520.363212][T25439] get_compat_msghdr+0x108/0x2b0 [ 1520.368179][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1520.372716][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1520.377629][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.384257][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.390538][T25439] __do_fast_syscall_32+0x129/0x180 [ 1520.395771][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1520.400675][T25439] do_SYSENTER_32+0x73/0x90 [ 1520.405210][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.411875][T25439] [ 1520.414215][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1520.420920][T25439] do_recvmmsg+0xc2/0x22e0 [ 1520.425496][T25439] do_recvmmsg+0xc2/0x22e0 [ 1520.687038][T25438] not chained 910000 origins [ 1520.692737][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1520.702061][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1520.713028][T25438] Call Trace: [ 1520.716341][T25438] dump_stack+0x21c/0x280 [ 1520.720816][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1520.726570][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1520.732754][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.738175][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1520.744013][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1520.750111][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1520.755513][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.760740][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1520.766411][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1520.772537][T25438] ? _copy_from_user+0x201/0x310 [ 1520.777507][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.782735][T25438] __msan_chain_origin+0x57/0xa0 [ 1520.788149][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1520.793499][T25438] get_compat_msghdr+0x108/0x2b0 [ 1520.798581][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1520.803169][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.808726][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.814022][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1520.819806][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1520.825150][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1520.829947][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1520.834810][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1520.840650][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1520.845911][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.852246][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1520.858473][T25438] __do_fast_syscall_32+0x129/0x180 [ 1520.863751][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1520.868639][T25438] do_SYSENTER_32+0x73/0x90 [ 1520.873208][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1520.879557][T25438] RIP: 0023:0xf7f69549 [ 1520.883779][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1520.904046][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1520.912610][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1520.920626][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1520.928656][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1520.936658][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1520.945347][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1520.953329][T25438] Uninit was stored to memory at: [ 1520.958374][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1520.964111][T25438] __msan_chain_origin+0x57/0xa0 [ 1520.969064][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1520.974183][T25438] get_compat_msghdr+0x108/0x2b0 [ 1520.979152][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1520.983836][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1520.988525][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1520.994759][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.000937][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.006154][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.011021][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.015540][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.021860][T25438] [ 1521.024193][T25438] Uninit was stored to memory at: [ 1521.029235][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.036709][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.041667][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.046824][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.051774][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.056727][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.061470][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.067649][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.073824][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.079046][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.083940][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.088508][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.094915][T25438] [ 1521.097244][T25438] Uninit was stored to memory at: [ 1521.102283][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.108064][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.113016][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.118149][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.123104][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.127754][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.132794][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.138900][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.145066][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.150271][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.155127][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.159640][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.165956][T25438] [ 1521.168279][T25438] Uninit was stored to memory at: [ 1521.173317][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.179045][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.183990][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.189107][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.194045][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.198548][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.203228][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.209303][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.215488][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.220705][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.225563][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.230074][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.236494][T25438] [ 1521.238847][T25438] Uninit was stored to memory at: [ 1521.243885][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.249904][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.254857][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.259982][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.264927][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.270308][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.274994][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.281075][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.287267][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.292475][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.297341][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.301859][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.308186][T25438] [ 1521.310518][T25438] Uninit was stored to memory at: [ 1521.315589][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.321333][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.326553][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.332203][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.337190][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.341723][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.346422][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.352512][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.358704][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.363919][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.368780][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.373908][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.380258][T25438] [ 1521.382590][T25438] Uninit was stored to memory at: [ 1521.387630][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1521.393367][T25438] __msan_chain_origin+0x57/0xa0 [ 1521.398325][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1521.403449][T25438] get_compat_msghdr+0x108/0x2b0 [ 1521.408496][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1521.413049][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1521.417912][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1521.423992][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1521.430253][T25438] __do_fast_syscall_32+0x129/0x180 [ 1521.435466][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1521.440333][T25438] do_SYSENTER_32+0x73/0x90 [ 1521.444853][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1521.451357][T25438] [ 1521.453686][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1521.460375][T25438] do_recvmmsg+0xc2/0x22e0 [ 1521.464817][T25438] do_recvmmsg+0xc2/0x22e0 [ 1522.150336][T25439] not chained 920000 origins [ 1522.154984][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1522.163752][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1522.173857][T25439] Call Trace: [ 1522.177202][T25439] dump_stack+0x21c/0x280 [ 1522.181561][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1522.187308][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1522.193404][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.198628][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1522.204459][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1522.210637][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1522.216483][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.221747][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1522.227754][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1522.233890][T25439] ? _copy_from_user+0x201/0x310 [ 1522.239051][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.244329][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.249844][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.255095][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.260436][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.264971][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.270203][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.275572][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1522.281236][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1522.287070][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1522.292641][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.297447][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1522.303300][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1522.308531][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.315369][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.322703][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.327947][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.332939][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.337470][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.343898][T25439] RIP: 0023:0xf7f69549 [ 1522.347998][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1522.369119][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1522.377661][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1522.385675][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1522.393682][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1522.402205][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1522.410199][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1522.418450][T25439] Uninit was stored to memory at: [ 1522.423542][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.429379][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.434342][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.439473][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.444432][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.448944][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.453635][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.459949][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.466390][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.472415][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.477287][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.481805][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.488154][T25439] [ 1522.490514][T25439] Uninit was stored to memory at: [ 1522.495604][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.501410][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.506475][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.511634][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.518255][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.523123][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.528276][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.534372][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.540563][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.546040][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.551261][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.555809][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.562157][T25439] [ 1522.564852][T25439] Uninit was stored to memory at: [ 1522.570022][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.575761][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.580728][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.585990][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.591563][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.597013][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.601724][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.608120][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.614296][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.620651][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.625530][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.630078][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.636587][T25439] [ 1522.638946][T25439] Uninit was stored to memory at: [ 1522.643996][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.649741][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.654825][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.660333][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.666078][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.671648][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.676383][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.682478][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.689619][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.694849][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.699716][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.704264][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.711200][T25439] [ 1522.713649][T25439] Uninit was stored to memory at: [ 1522.719512][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.725350][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.730308][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.735467][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.740473][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.745042][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.750346][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.756460][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.762648][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.767870][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.772834][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.777366][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.783696][T25439] [ 1522.786032][T25439] Uninit was stored to memory at: [ 1522.791172][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.798571][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.803712][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.808878][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.814406][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.818938][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.823748][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.830275][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.836547][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.841790][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.847351][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.854055][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.860904][T25439] [ 1522.863249][T25439] Uninit was stored to memory at: [ 1522.868634][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1522.875716][T25439] __msan_chain_origin+0x57/0xa0 [ 1522.883055][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1522.888934][T25439] get_compat_msghdr+0x108/0x2b0 [ 1522.893928][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1522.898465][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1522.903518][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1522.910069][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1522.916341][T25439] __do_fast_syscall_32+0x129/0x180 [ 1522.921596][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1522.926564][T25439] do_SYSENTER_32+0x73/0x90 [ 1522.931098][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1522.937419][T25439] [ 1522.939750][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1522.946442][T25439] do_recvmmsg+0xc2/0x22e0 [ 1522.950873][T25439] do_recvmmsg+0xc2/0x22e0 [ 1523.276282][T25438] not chained 930000 origins [ 1523.281656][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1523.290512][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1523.302619][T25438] Call Trace: [ 1523.305934][T25438] dump_stack+0x21c/0x280 [ 1523.310379][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1523.317701][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1523.324568][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.330603][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1523.337629][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1523.344689][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1523.350451][T25438] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 1523.356641][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.362056][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1523.368272][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1523.374484][T25438] ? _copy_from_user+0x201/0x310 [ 1523.379745][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.385008][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.390020][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.395325][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.400617][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.405968][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.412115][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.417438][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1523.423189][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1523.428794][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1523.433821][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.438572][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1523.444434][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1523.449662][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.455878][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.462070][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.467508][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.472414][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.476950][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.483397][T25438] RIP: 0023:0xf7f69549 [ 1523.487673][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1523.508191][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1523.519667][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1523.528209][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1523.536568][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1523.545171][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1523.553628][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1523.561973][T25438] Uninit was stored to memory at: [ 1523.567145][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.573062][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.578346][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.583956][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.589383][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.593927][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.598727][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.605105][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.611785][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.617028][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.622490][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.628019][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.634703][T25438] [ 1523.637029][T25438] Uninit was stored to memory at: [ 1523.642432][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.648264][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.653424][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.658842][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.663805][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.668425][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.673201][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.679654][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.685832][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.691048][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.696000][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.700567][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.707581][T25438] [ 1523.709931][T25438] Uninit was stored to memory at: [ 1523.715271][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.722136][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.727201][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.732442][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.737489][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.742033][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.746845][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.753732][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.760363][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.765956][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.770856][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.775715][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.782055][T25438] [ 1523.784504][T25438] Uninit was stored to memory at: [ 1523.789575][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.795949][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.800922][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.806063][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.812780][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.817373][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.822158][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.828379][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.834589][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.839938][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.844800][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.849313][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.855645][T25438] [ 1523.857972][T25438] Uninit was stored to memory at: [ 1523.863016][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.868742][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.873697][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.878844][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.883800][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.888306][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.892991][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.899078][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.905266][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.910471][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.915329][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.919837][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.926161][T25438] [ 1523.928502][T25438] Uninit was stored to memory at: [ 1523.933542][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1523.939267][T25438] __msan_chain_origin+0x57/0xa0 [ 1523.944216][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1523.949909][T25438] get_compat_msghdr+0x108/0x2b0 [ 1523.955322][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1523.959836][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1523.964539][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1523.970670][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1523.976874][T25438] __do_fast_syscall_32+0x129/0x180 [ 1523.982107][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1523.987682][T25438] do_SYSENTER_32+0x73/0x90 [ 1523.992220][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1523.998558][T25438] [ 1524.000898][T25438] Uninit was stored to memory at: [ 1524.005961][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1524.011702][T25438] __msan_chain_origin+0x57/0xa0 [ 1524.016780][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1524.021917][T25438] get_compat_msghdr+0x108/0x2b0 [ 1524.026891][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1524.031426][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1524.036124][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1524.042318][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1524.048495][T25438] __do_fast_syscall_32+0x129/0x180 [ 1524.053718][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1524.058695][T25438] do_SYSENTER_32+0x73/0x90 [ 1524.063212][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1524.069530][T25438] [ 1524.071895][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1524.078860][T25438] do_recvmmsg+0xc2/0x22e0 [ 1524.083380][T25438] do_recvmmsg+0xc2/0x22e0 [ 1524.840662][T25438] not chained 940000 origins [ 1524.845320][T25438] CPU: 0 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1524.854003][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1524.864080][T25438] Call Trace: [ 1524.867399][T25438] dump_stack+0x21c/0x280 [ 1524.871790][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1524.877548][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1524.883652][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.888902][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1524.894817][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1524.900905][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1524.906298][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.911527][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1524.917185][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1524.923274][T25438] ? _copy_from_user+0x201/0x310 [ 1524.928254][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.933475][T25438] __msan_chain_origin+0x57/0xa0 [ 1524.938441][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1524.943584][T25438] get_compat_msghdr+0x108/0x2b0 [ 1524.948553][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1524.953079][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.958305][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.963525][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1524.969185][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1524.974523][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1524.979450][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1524.984164][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1524.990007][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1524.995250][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.001347][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.007522][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.012738][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.017951][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.022476][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.028805][T25438] RIP: 0023:0xf7f69549 [ 1525.032878][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1525.052508][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1525.060942][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1525.068935][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1525.076951][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1525.084947][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1525.092990][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1525.101099][T25438] Uninit was stored to memory at: [ 1525.106789][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.112552][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.117520][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.122658][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.127615][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.132156][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.136855][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.142952][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.149138][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.154371][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.159275][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.163823][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.170168][T25438] [ 1525.172508][T25438] Uninit was stored to memory at: [ 1525.177577][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.183312][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.188296][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.193470][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.198468][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.203001][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.207719][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.213852][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.220159][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.225370][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.230222][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.234736][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.241055][T25438] [ 1525.243378][T25438] Uninit was stored to memory at: [ 1525.248416][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.254188][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.259140][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.264259][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.269198][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.273704][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.278389][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.284467][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.290628][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.296137][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.301170][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.305717][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.312034][T25438] [ 1525.314357][T25438] Uninit was stored to memory at: [ 1525.319395][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.325209][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.330157][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.335270][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.340209][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.344711][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.349404][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.355477][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.361643][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.366860][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.371719][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.376237][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.382569][T25438] [ 1525.384889][T25438] Uninit was stored to memory at: [ 1525.389925][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.395821][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.400762][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.405873][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.410813][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.415314][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.420002][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.426081][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.432248][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.437473][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.442333][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.446935][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.453463][T25438] [ 1525.455790][T25438] Uninit was stored to memory at: [ 1525.460824][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.466550][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.471533][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.476647][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.481589][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.486093][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.490863][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.496933][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.503096][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.508296][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.513409][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.518180][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.524496][T25438] [ 1525.526815][T25438] Uninit was stored to memory at: [ 1525.531850][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1525.537660][T25438] __msan_chain_origin+0x57/0xa0 [ 1525.542606][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1525.547721][T25438] get_compat_msghdr+0x108/0x2b0 [ 1525.552660][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1525.557165][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1525.561963][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1525.568035][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1525.574193][T25438] __do_fast_syscall_32+0x129/0x180 [ 1525.579395][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1525.584251][T25438] do_SYSENTER_32+0x73/0x90 [ 1525.588758][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1525.595071][T25438] [ 1525.597395][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1525.604093][T25438] do_recvmmsg+0xc2/0x22e0 [ 1525.608514][T25438] do_recvmmsg+0xc2/0x22e0 [ 1525.865026][T25439] not chained 950000 origins [ 1525.869655][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1525.878343][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1525.888487][T25439] Call Trace: [ 1525.891790][T25439] dump_stack+0x21c/0x280 [ 1525.896131][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1525.901860][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1525.907960][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1525.913185][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1525.918998][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1525.925065][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1525.930445][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1525.935670][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1525.941310][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1525.947392][T25439] ? _copy_from_user+0x201/0x310 [ 1525.952343][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1525.957656][T25439] __msan_chain_origin+0x57/0xa0 [ 1525.962611][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1525.967738][T25439] get_compat_msghdr+0x108/0x2b0 [ 1525.972685][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1525.977203][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1525.982428][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1525.987641][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1525.993284][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1525.998582][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1526.003352][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.008048][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1526.013858][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1526.019068][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.025146][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.031308][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.036519][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.041468][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.045982][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.052311][T25439] RIP: 0023:0xf7f69549 [ 1526.056407][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1526.076026][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1526.084491][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1526.092476][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1526.100658][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1526.108654][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1526.116641][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1526.124630][T25439] Uninit was stored to memory at: [ 1526.129673][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.135409][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.140369][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.145485][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.150424][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.154929][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.159622][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.165702][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.171882][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.177128][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.182004][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.186538][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.192860][T25439] [ 1526.195185][T25439] Uninit was stored to memory at: [ 1526.200232][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.206000][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.211033][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.216272][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.221223][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.225730][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.230417][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.236507][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.242887][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.249078][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.253944][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.258572][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.265765][T25439] [ 1526.268115][T25439] Uninit was stored to memory at: [ 1526.273201][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.279129][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.284192][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.289404][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.294409][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.299013][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.303701][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.309887][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.316096][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.321341][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.326266][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.331003][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.339770][T25439] [ 1526.342689][T25439] Uninit was stored to memory at: [ 1526.349227][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.354968][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.359948][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.365081][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.370216][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.374735][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.379522][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.386196][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.392412][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.397752][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.402742][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.407282][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.413701][T25439] [ 1526.416035][T25439] Uninit was stored to memory at: [ 1526.421075][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.426902][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.432038][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.437616][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.442573][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.447096][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.451880][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.457991][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.464523][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.469741][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.474646][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.479207][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.485531][T25439] [ 1526.487854][T25439] Uninit was stored to memory at: [ 1526.492989][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.498738][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.503699][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.508842][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.513917][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.518457][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.523156][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.529279][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.535465][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.540685][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.545577][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.550105][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.556434][T25439] [ 1526.558805][T25439] Uninit was stored to memory at: [ 1526.563945][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1526.569685][T25439] __msan_chain_origin+0x57/0xa0 [ 1526.574659][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1526.579789][T25439] get_compat_msghdr+0x108/0x2b0 [ 1526.584777][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1526.589296][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1526.594007][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1526.600116][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1526.606312][T25439] __do_fast_syscall_32+0x129/0x180 [ 1526.611745][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1526.616614][T25439] do_SYSENTER_32+0x73/0x90 [ 1526.621177][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1526.628285][T25439] [ 1526.630620][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1526.637311][T25439] do_recvmmsg+0xc2/0x22e0 [ 1526.641775][T25439] do_recvmmsg+0xc2/0x22e0 [ 1527.475583][T25439] not chained 960000 origins [ 1527.480254][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1527.488948][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1527.499018][T25439] Call Trace: [ 1527.502358][T25439] dump_stack+0x21c/0x280 [ 1527.506706][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1527.512456][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1527.518548][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.523817][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1527.530268][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1527.536385][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1527.541792][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.547015][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.552239][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1527.557904][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1527.564005][T25439] ? _copy_from_user+0x201/0x310 [ 1527.568983][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.574235][T25439] __msan_chain_origin+0x57/0xa0 [ 1527.579202][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1527.584379][T25439] get_compat_msghdr+0x108/0x2b0 [ 1527.589354][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1527.593895][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.599137][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.604398][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1527.610111][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1527.615480][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1527.620291][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1527.625006][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1527.631120][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1527.636349][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1527.642460][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1527.648650][T25439] __do_fast_syscall_32+0x129/0x180 [ 1527.653887][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1527.658769][T25439] do_SYSENTER_32+0x73/0x90 [ 1527.663318][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1527.669670][T25439] RIP: 0023:0xf7f69549 [ 1527.673761][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1527.693497][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1527.702292][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1527.710377][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1527.718366][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1527.726351][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1527.734354][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1527.742514][T25439] Uninit was stored to memory at: [ 1527.747684][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1527.753514][T25439] __msan_chain_origin+0x57/0xa0 [ 1527.758467][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1527.763592][T25439] get_compat_msghdr+0x108/0x2b0 [ 1527.768551][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1527.773064][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1527.777762][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1527.783854][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1527.790052][T25439] __do_fast_syscall_32+0x129/0x180 [ 1527.795296][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1527.800170][T25439] do_SYSENTER_32+0x73/0x90 [ 1527.804696][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1527.811042][T25439] [ 1527.813393][T25439] Uninit was stored to memory at: [ 1527.818515][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1527.824275][T25439] __msan_chain_origin+0x57/0xa0 [ 1527.829247][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1527.834381][T25439] get_compat_msghdr+0x108/0x2b0 [ 1527.839691][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1527.844217][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1527.848905][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1527.854989][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1527.861160][T25439] __do_fast_syscall_32+0x129/0x180 [ 1527.866387][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1527.871263][T25439] do_SYSENTER_32+0x73/0x90 [ 1527.876567][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1527.882898][T25439] [ 1527.885236][T25439] Uninit was stored to memory at: [ 1527.890374][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1527.896119][T25439] __msan_chain_origin+0x57/0xa0 [ 1527.901069][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1527.906319][T25439] get_compat_msghdr+0x108/0x2b0 [ 1527.911272][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1527.915835][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1527.920551][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1527.926633][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1527.932798][T25439] __do_fast_syscall_32+0x129/0x180 [ 1527.938093][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1527.943045][T25439] do_SYSENTER_32+0x73/0x90 [ 1527.947561][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1527.953878][T25439] [ 1527.956208][T25439] Uninit was stored to memory at: [ 1527.961264][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1527.967070][T25439] __msan_chain_origin+0x57/0xa0 [ 1527.972301][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1527.977443][T25439] get_compat_msghdr+0x108/0x2b0 [ 1527.982409][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1527.987047][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1527.991856][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1527.997951][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.004481][T25439] __do_fast_syscall_32+0x129/0x180 [ 1528.009794][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1528.014679][T25439] do_SYSENTER_32+0x73/0x90 [ 1528.019219][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1528.025738][T25439] [ 1528.028254][T25439] Uninit was stored to memory at: [ 1528.033304][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1528.039157][T25439] __msan_chain_origin+0x57/0xa0 [ 1528.044123][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1528.049460][T25439] get_compat_msghdr+0x108/0x2b0 [ 1528.054424][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1528.058943][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1528.063660][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1528.070102][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.076290][T25439] __do_fast_syscall_32+0x129/0x180 [ 1528.081514][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1528.086387][T25439] do_SYSENTER_32+0x73/0x90 [ 1528.090912][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1528.097583][T25439] [ 1528.099925][T25439] Uninit was stored to memory at: [ 1528.105256][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1528.111037][T25439] __msan_chain_origin+0x57/0xa0 [ 1528.115996][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1528.121131][T25439] get_compat_msghdr+0x108/0x2b0 [ 1528.126195][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1528.130911][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1528.135647][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1528.141831][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.148192][T25439] __do_fast_syscall_32+0x129/0x180 [ 1528.153427][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1528.158380][T25439] do_SYSENTER_32+0x73/0x90 [ 1528.162895][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1528.169478][T25439] [ 1528.171810][T25439] Uninit was stored to memory at: [ 1528.176942][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1528.182694][T25439] __msan_chain_origin+0x57/0xa0 [ 1528.187750][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1528.192923][T25439] get_compat_msghdr+0x108/0x2b0 [ 1528.197890][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1528.202410][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1528.207114][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1528.213208][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.219389][T25439] __do_fast_syscall_32+0x129/0x180 [ 1528.224603][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1528.229577][T25439] do_SYSENTER_32+0x73/0x90 [ 1528.234102][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1528.240443][T25439] [ 1528.242821][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1528.249948][T25439] do_recvmmsg+0xc2/0x22e0 [ 1528.254372][T25439] do_recvmmsg+0xc2/0x22e0 [ 1528.671944][T25438] not chained 970000 origins [ 1528.676720][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1528.685596][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1528.695681][T25438] Call Trace: [ 1528.699081][T25438] dump_stack+0x21c/0x280 [ 1528.703436][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1528.709182][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1528.715274][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.720493][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1528.726313][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1528.732479][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1528.737872][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.743093][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.748335][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1528.754079][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1528.760167][T25438] ? _copy_from_user+0x201/0x310 [ 1528.765121][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.770461][T25438] __msan_chain_origin+0x57/0xa0 [ 1528.775433][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1528.780571][T25438] get_compat_msghdr+0x108/0x2b0 [ 1528.785535][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1528.790067][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.795304][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.800557][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1528.806819][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1528.812147][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1528.816940][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1528.821685][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1528.827536][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1528.832771][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1528.838900][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.845082][T25438] __do_fast_syscall_32+0x129/0x180 [ 1528.850377][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1528.855274][T25438] do_SYSENTER_32+0x73/0x90 [ 1528.859805][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1528.866147][T25438] RIP: 0023:0xf7f69549 [ 1528.870378][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1528.890002][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1528.898480][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1528.906517][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1528.915818][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1528.923818][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1528.931807][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1528.939829][T25438] Uninit was stored to memory at: [ 1528.944881][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1528.950625][T25438] __msan_chain_origin+0x57/0xa0 [ 1528.955604][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1528.960747][T25438] get_compat_msghdr+0x108/0x2b0 [ 1528.965713][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1528.970235][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1528.974938][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1528.981029][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1528.987555][T25438] __do_fast_syscall_32+0x129/0x180 [ 1528.992774][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1528.997734][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.002277][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.008711][T25438] [ 1529.011039][T25438] Uninit was stored to memory at: [ 1529.016136][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.022257][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.027223][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.032542][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.037537][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.042162][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.046951][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.053046][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.059247][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.064472][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.069347][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.073884][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.080222][T25438] [ 1529.082566][T25438] Uninit was stored to memory at: [ 1529.087621][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.093372][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.098345][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.103517][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.108481][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.113003][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.117711][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.123918][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.130096][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.135404][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.140281][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.144832][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.151179][T25438] [ 1529.153524][T25438] Uninit was stored to memory at: [ 1529.158687][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.164435][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.169402][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.174538][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.179505][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.184056][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.188782][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.194909][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.201093][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.206319][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.211194][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.215720][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.222047][T25438] [ 1529.224381][T25438] Uninit was stored to memory at: [ 1529.229436][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.235704][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.240699][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.245840][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.250864][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.255427][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.262609][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.268709][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.274891][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.280940][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.285816][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.290370][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.296701][T25438] [ 1529.299066][T25438] Uninit was stored to memory at: [ 1529.304132][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.309883][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.315050][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.321415][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.328486][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.333111][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.338751][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.344873][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.351109][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.356367][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.361529][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.366103][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.372937][T25438] [ 1529.375277][T25438] Uninit was stored to memory at: [ 1529.380362][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1529.386115][T25438] __msan_chain_origin+0x57/0xa0 [ 1529.391176][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1529.396771][T25438] get_compat_msghdr+0x108/0x2b0 [ 1529.401917][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1529.406493][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1529.411203][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1529.417481][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1529.423667][T25438] __do_fast_syscall_32+0x129/0x180 [ 1529.428894][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1529.433776][T25438] do_SYSENTER_32+0x73/0x90 [ 1529.438307][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1529.444640][T25438] [ 1529.446980][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1529.453706][T25438] do_recvmmsg+0xc2/0x22e0 [ 1529.458175][T25438] do_recvmmsg+0xc2/0x22e0 [ 1529.919959][T25438] not chained 980000 origins [ 1529.924640][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1529.933317][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1529.944872][T25438] Call Trace: [ 1529.948196][T25438] dump_stack+0x21c/0x280 [ 1529.953249][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1529.959001][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1529.965091][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1529.970321][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1529.976153][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1529.982251][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1529.987653][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1529.992890][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1529.998546][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1530.004629][T25438] ? _copy_from_user+0x201/0x310 [ 1530.009584][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.014797][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.019749][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.024877][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.029847][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.034374][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.039598][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.044818][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1530.050506][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1530.057639][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1530.062423][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.067135][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1530.073000][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.078226][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.084349][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.090614][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.095840][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.100717][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.105248][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.111587][T25438] RIP: 0023:0xf7f69549 [ 1530.115668][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1530.135839][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1530.144263][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1530.152244][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1530.160227][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1530.168213][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1530.176195][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1530.184175][T25438] Uninit was stored to memory at: [ 1530.189220][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.195034][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.199977][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.205096][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.210039][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.214546][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.219233][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.225310][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.231475][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.236687][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.241545][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.246070][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.252392][T25438] [ 1530.254722][T25438] Uninit was stored to memory at: [ 1530.259765][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.265504][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.270752][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.275870][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.280814][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.285319][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.290004][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.296121][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.302289][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.307494][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.312378][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.316897][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.323213][T25438] [ 1530.325535][T25438] Uninit was stored to memory at: [ 1530.330576][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.336423][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.341368][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.346489][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.351436][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.355944][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.360638][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.367507][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.374039][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.379260][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.384198][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.388719][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.395079][T25438] [ 1530.397426][T25438] Uninit was stored to memory at: [ 1530.402466][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.408200][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.413158][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.418288][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.423237][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.427745][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.432431][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.438518][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.444694][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.449910][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.455047][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.459566][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.465890][T25438] [ 1530.468217][T25438] Uninit was stored to memory at: [ 1530.473261][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.479005][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.483964][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.489138][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.494565][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.499177][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.503871][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.509953][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.516214][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.521432][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.526479][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.531007][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.537351][T25438] [ 1530.539682][T25438] Uninit was stored to memory at: [ 1530.544751][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.550525][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.555487][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.560828][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.565798][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.570325][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.575068][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.581241][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.587508][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.592727][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.597590][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.602114][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.608431][T25438] [ 1530.610757][T25438] Uninit was stored to memory at: [ 1530.615822][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1530.621559][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.627064][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.632203][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.637182][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.641695][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.646760][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.652845][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.659017][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.664323][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.669192][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.673708][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1530.680375][T25438] [ 1530.683492][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1530.690199][T25438] do_recvmmsg+0xc2/0x22e0 [ 1530.694733][T25438] do_recvmmsg+0xc2/0x22e0 [ 1530.816694][T25438] not chained 990000 origins [ 1530.821346][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1530.830260][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1530.840330][T25438] Call Trace: [ 1530.843650][T25438] dump_stack+0x21c/0x280 [ 1530.848006][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1530.853776][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1530.859870][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.865088][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1530.870916][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1530.877128][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1530.882531][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.887749][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1530.893416][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1530.899545][T25438] ? _copy_from_user+0x201/0x310 [ 1530.904529][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.909759][T25438] __msan_chain_origin+0x57/0xa0 [ 1530.914744][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1530.919882][T25438] get_compat_msghdr+0x108/0x2b0 [ 1530.924861][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1530.929399][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.934649][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.939872][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1530.945525][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1530.950838][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1530.955636][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1530.960331][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1530.966166][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1530.971382][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1530.977485][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1530.983663][T25438] __do_fast_syscall_32+0x129/0x180 [ 1530.988940][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1530.993851][T25438] do_SYSENTER_32+0x73/0x90 [ 1530.998532][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.005388][T25438] RIP: 0023:0xf7f69549 [ 1531.009495][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1531.029114][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1531.037550][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1531.045651][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1531.053649][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1531.061633][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1531.069616][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1531.077711][T25438] Uninit was stored to memory at: [ 1531.082762][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.088496][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.093456][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.098594][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.103549][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.108085][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.112866][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.118953][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.125241][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.130495][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.135640][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.140160][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.146482][T25438] [ 1531.148825][T25438] Uninit was stored to memory at: [ 1531.153864][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.159623][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.164577][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.169889][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.175456][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.180086][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.184803][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.190882][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.197074][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.202308][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.207169][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.211686][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.218006][T25438] [ 1531.220337][T25438] Uninit was stored to memory at: [ 1531.225575][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.231314][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.236427][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.241665][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.246784][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.251996][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.256798][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.262892][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.271600][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.276989][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.281854][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.286389][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.292715][T25438] [ 1531.295039][T25438] Uninit was stored to memory at: [ 1531.300076][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.305809][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.310758][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.315880][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.320834][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.325433][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.330123][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.336317][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.342512][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.347823][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.352776][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.357326][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.363646][T25438] [ 1531.365972][T25438] Uninit was stored to memory at: [ 1531.371030][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.376785][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.381741][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.386913][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.391882][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.396402][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.401131][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.407224][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.413490][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.418710][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.423592][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.428127][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.434497][T25438] [ 1531.436831][T25438] Uninit was stored to memory at: [ 1531.441882][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.447632][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.452599][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.457813][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.462762][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.467275][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.471969][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.478055][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.484242][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.489498][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.494427][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.499015][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.505378][T25438] [ 1531.508306][T25438] Uninit was stored to memory at: [ 1531.513401][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1531.519142][T25438] __msan_chain_origin+0x57/0xa0 [ 1531.524095][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1531.529223][T25438] get_compat_msghdr+0x108/0x2b0 [ 1531.534184][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1531.538716][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1531.543414][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.549529][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.555711][T25438] __do_fast_syscall_32+0x129/0x180 [ 1531.560943][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1531.565846][T25438] do_SYSENTER_32+0x73/0x90 [ 1531.570379][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.576744][T25438] [ 1531.579096][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1531.585969][T25438] do_recvmmsg+0xc2/0x22e0 [ 1531.590391][T25438] do_recvmmsg+0xc2/0x22e0 [ 1531.640133][T25439] not chained 1000000 origins [ 1531.644868][T25439] CPU: 0 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1531.653575][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1531.663740][T25439] Call Trace: [ 1531.667051][T25439] dump_stack+0x21c/0x280 [ 1531.672006][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1531.677867][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1531.683959][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.689241][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1531.695090][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1531.701176][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1531.706562][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.711776][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.716989][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1531.722854][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1531.729824][T25439] ? _copy_from_user+0x201/0x310 [ 1531.734792][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.740014][T25439] __msan_chain_origin+0x57/0xa0 [ 1531.745010][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1531.750158][T25439] get_compat_msghdr+0x108/0x2b0 [ 1531.755146][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1531.759682][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.764920][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.770158][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1531.775822][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1531.781139][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1531.786022][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1531.790729][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1531.796739][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1531.801985][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.808073][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.814336][T25439] __do_fast_syscall_32+0x129/0x180 [ 1531.819555][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1531.824429][T25439] do_SYSENTER_32+0x73/0x90 [ 1531.828958][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.835291][T25439] RIP: 0023:0xf7f69549 [ 1531.839635][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1531.859360][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1531.867791][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1531.875780][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1531.884465][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1531.892453][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1531.900436][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1531.908447][T25439] Uninit was stored to memory at: [ 1531.913512][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1531.919245][T25439] __msan_chain_origin+0x57/0xa0 [ 1531.924190][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1531.929316][T25439] get_compat_msghdr+0x108/0x2b0 [ 1531.934269][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1531.938784][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1531.943476][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1531.950098][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1531.956365][T25439] __do_fast_syscall_32+0x129/0x180 [ 1531.961596][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1531.966474][T25439] do_SYSENTER_32+0x73/0x90 [ 1531.971009][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1531.977330][T25439] [ 1531.979658][T25439] Uninit was stored to memory at: [ 1531.984727][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1531.990475][T25439] __msan_chain_origin+0x57/0xa0 [ 1531.995962][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.001101][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.006048][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.010554][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.015257][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.021372][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.027674][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.032926][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.037812][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.042337][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.048657][T25439] [ 1532.051009][T25439] Uninit was stored to memory at: [ 1532.056157][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1532.061904][T25439] __msan_chain_origin+0x57/0xa0 [ 1532.067487][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.072709][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.077656][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.082701][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.087409][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.093512][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.099722][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.104941][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.109841][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.114360][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.120707][T25439] [ 1532.123039][T25439] Uninit was stored to memory at: [ 1532.128254][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1532.134270][T25439] __msan_chain_origin+0x57/0xa0 [ 1532.139237][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.144360][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.150005][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.154712][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.159563][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.165673][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.171869][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.177082][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.182288][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.186912][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.193320][T25439] [ 1532.195658][T25439] Uninit was stored to memory at: [ 1532.200693][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1532.206509][T25439] __msan_chain_origin+0x57/0xa0 [ 1532.211474][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.216608][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.221556][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.226945][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.231651][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.238103][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.244539][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.249786][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.254926][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.259453][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.265801][T25439] [ 1532.268151][T25439] Uninit was stored to memory at: [ 1532.273207][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1532.278972][T25439] __msan_chain_origin+0x57/0xa0 [ 1532.283919][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.289092][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.294056][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.298570][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.303363][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.309460][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.316163][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.321387][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.326284][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.330824][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.337205][T25439] [ 1532.340882][T25439] Uninit was stored to memory at: [ 1532.345965][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1532.351736][T25439] __msan_chain_origin+0x57/0xa0 [ 1532.356796][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1532.362113][T25439] get_compat_msghdr+0x108/0x2b0 [ 1532.367175][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1532.371793][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1532.376524][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.385094][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.391327][T25439] __do_fast_syscall_32+0x129/0x180 [ 1532.397078][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1532.402487][T25439] do_SYSENTER_32+0x73/0x90 [ 1532.407020][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.413340][T25439] [ 1532.415665][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1532.422345][T25439] do_recvmmsg+0xc2/0x22e0 [ 1532.426778][T25439] do_recvmmsg+0xc2/0x22e0 [ 1532.738111][T25438] not chained 1010000 origins [ 1532.743226][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1532.751905][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1532.761986][T25438] Call Trace: [ 1532.765357][T25438] dump_stack+0x21c/0x280 [ 1532.769742][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1532.775512][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1532.781611][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.789271][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1532.795104][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1532.801199][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1532.806616][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1532.812450][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.817701][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1532.823384][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1532.829480][T25438] ? _copy_from_user+0x201/0x310 [ 1532.834438][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.840969][T25438] __msan_chain_origin+0x57/0xa0 [ 1532.845955][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1532.851100][T25438] get_compat_msghdr+0x108/0x2b0 [ 1532.856052][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1532.860590][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.865990][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.871236][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1532.877222][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1532.882538][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1532.887436][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1532.892153][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1532.897983][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1532.903208][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1532.909496][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1532.915675][T25438] __do_fast_syscall_32+0x129/0x180 [ 1532.920988][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1532.926057][T25438] do_SYSENTER_32+0x73/0x90 [ 1532.930596][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1532.936938][T25438] RIP: 0023:0xf7f69549 [ 1532.941022][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1532.960643][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1532.969217][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1532.977388][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1532.985374][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1532.993364][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1533.001546][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1533.009534][T25438] Uninit was stored to memory at: [ 1533.014584][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.020436][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.025418][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.030595][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.035656][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.040348][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.045045][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.051212][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.057379][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.062585][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.067493][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.072036][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.078364][T25438] [ 1533.080689][T25438] Uninit was stored to memory at: [ 1533.085733][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.091478][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.096433][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.101583][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.106537][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.111058][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.115781][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.121865][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.128087][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.133307][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.138175][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.142697][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.149020][T25438] [ 1533.151342][T25438] Uninit was stored to memory at: [ 1533.156464][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.162205][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.167149][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.172273][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.177224][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.181809][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.186567][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.192870][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.199573][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.204792][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.209683][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.214213][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.220648][T25438] [ 1533.223053][T25438] Uninit was stored to memory at: [ 1533.228141][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.233871][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.238906][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.244030][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.248976][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.253494][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.258215][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.264317][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.270627][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.276191][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.281070][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.285608][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.291933][T25438] [ 1533.294267][T25438] Uninit was stored to memory at: [ 1533.299322][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.306112][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.312044][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.318144][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.323106][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.327625][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.332313][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.338393][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.344562][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.349777][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.354667][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.359180][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.365498][T25438] [ 1533.367824][T25438] Uninit was stored to memory at: [ 1533.372864][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.379276][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.386687][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.391838][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.396906][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.401452][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.406418][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.412515][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.418804][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.424020][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.428905][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.433465][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.439818][T25438] [ 1533.442193][T25438] Uninit was stored to memory at: [ 1533.447263][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1533.453041][T25438] __msan_chain_origin+0x57/0xa0 [ 1533.458002][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1533.463137][T25438] get_compat_msghdr+0x108/0x2b0 [ 1533.468129][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1533.472640][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1533.477331][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1533.483846][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1533.490022][T25438] __do_fast_syscall_32+0x129/0x180 [ 1533.495236][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1533.500109][T25438] do_SYSENTER_32+0x73/0x90 [ 1533.504628][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1533.510950][T25438] [ 1533.513282][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1533.519976][T25438] do_recvmmsg+0xc2/0x22e0 [ 1533.524410][T25438] do_recvmmsg+0xc2/0x22e0 [ 1533.838271][T25439] not chained 1020000 origins [ 1533.843084][T25439] CPU: 1 PID: 25439 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1533.851784][T25439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1533.861870][T25439] Call Trace: [ 1533.865188][T25439] dump_stack+0x21c/0x280 [ 1533.869529][T25439] kmsan_internal_chain_origin+0x6f/0x130 [ 1533.875277][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1533.881362][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.886577][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1533.892400][T25439] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1533.898476][T25439] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1533.903859][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.910284][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.915521][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1533.921171][T25439] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1533.927255][T25439] ? _copy_from_user+0x201/0x310 [ 1533.932204][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.937408][T25439] __msan_chain_origin+0x57/0xa0 [ 1533.942360][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1533.947491][T25439] get_compat_msghdr+0x108/0x2b0 [ 1533.952562][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1533.957152][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.962466][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.967801][T25439] ? kmsan_internal_set_origin+0x85/0xc0 [ 1533.973461][T25439] ? __msan_poison_alloca+0xe9/0x110 [ 1533.978768][T25439] ? __sys_recvmmsg+0xb5/0x5f0 [ 1533.983558][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1533.988384][T25439] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1533.994218][T25439] ? kmsan_get_metadata+0x116/0x180 [ 1533.999454][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.005569][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.011783][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.017014][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.021908][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.026483][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.032860][T25439] RIP: 0023:0xf7f69549 [ 1534.036947][T25439] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1534.056783][T25439] RSP: 002b:00000000f55420cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1534.065292][T25439] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1534.073416][T25439] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1534.081408][T25439] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1534.089391][T25439] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1534.097659][T25439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1534.105664][T25439] Uninit was stored to memory at: [ 1534.110811][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.116548][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.121531][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.126657][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.131598][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.136127][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.140835][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.147174][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.153338][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.158549][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.163514][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.168029][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.174346][T25439] [ 1534.176669][T25439] Uninit was stored to memory at: [ 1534.182431][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.188160][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.193106][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.198239][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.203204][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.207729][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.212593][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.218670][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.224834][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.230045][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.234925][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.239547][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.245861][T25439] [ 1534.248184][T25439] Uninit was stored to memory at: [ 1534.253218][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.258942][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.263885][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.268998][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.273935][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.278437][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.283126][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.289204][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.295367][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.300591][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.305447][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.309968][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.316290][T25439] [ 1534.318696][T25439] Uninit was stored to memory at: [ 1534.323729][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.329567][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.334565][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.339678][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.344618][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.349123][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.353807][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.359882][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.366041][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.371245][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.376120][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.380635][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.386953][T25439] [ 1534.389280][T25439] Uninit was stored to memory at: [ 1534.394314][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.400047][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.404992][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.410123][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.415150][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.419657][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.424396][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.430494][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.436654][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.441881][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.446735][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.451240][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.457554][T25439] [ 1534.459874][T25439] Uninit was stored to memory at: [ 1534.464904][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.470626][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.475567][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.480678][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.485620][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.490129][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.494814][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.500885][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.507046][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.512249][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.517102][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.521612][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.528015][T25439] [ 1534.530344][T25439] Uninit was stored to memory at: [ 1534.535384][T25439] kmsan_internal_chain_origin+0xad/0x130 [ 1534.541106][T25439] __msan_chain_origin+0x57/0xa0 [ 1534.546140][T25439] __get_compat_msghdr+0x6db/0x9d0 [ 1534.551258][T25439] get_compat_msghdr+0x108/0x2b0 [ 1534.556203][T25439] do_recvmmsg+0xdc7/0x22e0 [ 1534.560708][T25439] __sys_recvmmsg+0x340/0x5f0 [ 1534.565389][T25439] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1534.571463][T25439] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1534.577629][T25439] __do_fast_syscall_32+0x129/0x180 [ 1534.582838][T25439] do_fast_syscall_32+0x6a/0xc0 [ 1534.587782][T25439] do_SYSENTER_32+0x73/0x90 [ 1534.592379][T25439] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1534.598692][T25439] [ 1534.601016][T25439] Local variable ----msg_sys@do_recvmmsg created at: [ 1534.607716][T25439] do_recvmmsg+0xc2/0x22e0 [ 1534.612154][T25439] do_recvmmsg+0xc2/0x22e0 [ 1534.881677][T25438] not chained 1030000 origins [ 1534.886401][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1534.895072][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1534.905156][T25438] Call Trace: [ 1534.908469][T25438] dump_stack+0x21c/0x280 [ 1534.912907][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1534.919256][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1534.925345][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1534.930559][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1534.936387][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1534.942744][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1534.948156][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1534.953409][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1534.958642][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1534.964337][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1534.970420][T25438] ? _copy_from_user+0x201/0x310 [ 1534.975554][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1534.980772][T25438] __msan_chain_origin+0x57/0xa0 [ 1534.985729][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1534.990862][T25438] get_compat_msghdr+0x108/0x2b0 [ 1534.995920][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.000447][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1535.005698][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1535.010926][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1535.016584][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1535.021982][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1535.026764][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.031544][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1535.037381][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1535.043215][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.049338][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.055522][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.060749][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.065657][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.070190][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.076530][T25438] RIP: 0023:0xf7f69549 [ 1535.080616][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1535.100237][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1535.108670][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1535.116699][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1535.124687][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1535.132682][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1535.140675][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1535.148660][T25438] Uninit was stored to memory at: [ 1535.153711][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.159461][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.164480][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.169704][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.174743][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.179255][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.184293][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.191593][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.197767][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.203019][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.207913][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.212463][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.218785][T25438] [ 1535.221114][T25438] Uninit was stored to memory at: [ 1535.226149][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.232245][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.237193][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.242317][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.247264][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.251770][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.256507][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.263030][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.269300][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.274803][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.279670][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.284186][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.290507][T25438] [ 1535.292833][T25438] Uninit was stored to memory at: [ 1535.297898][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.303643][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.308601][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.314165][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.319472][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.324190][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.329605][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.335688][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.341862][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.347106][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.352841][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.357448][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.363828][T25438] [ 1535.366268][T25438] Uninit was stored to memory at: [ 1535.372040][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.378494][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.383930][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.389094][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.394230][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.398740][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.403459][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.409728][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.415907][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.421146][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.426040][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.430555][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.437046][T25438] [ 1535.439368][T25438] Uninit was stored to memory at: [ 1535.444449][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.450184][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.455138][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.460278][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.465224][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.469738][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.474435][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.480787][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.486960][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.492181][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.497074][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.501593][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.507941][T25438] [ 1535.510546][T25438] Uninit was stored to memory at: [ 1535.515595][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.521365][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.526317][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.531440][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.536434][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.540945][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.545655][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.551753][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.557933][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.563164][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.568022][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.572540][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.578855][T25438] [ 1535.581180][T25438] Uninit was stored to memory at: [ 1535.586221][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1535.591965][T25438] __msan_chain_origin+0x57/0xa0 [ 1535.596924][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1535.602130][T25438] get_compat_msghdr+0x108/0x2b0 [ 1535.607075][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1535.611617][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1535.616506][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1535.622655][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1535.628893][T25438] __do_fast_syscall_32+0x129/0x180 [ 1535.634143][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1535.639020][T25438] do_SYSENTER_32+0x73/0x90 [ 1535.643544][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1535.649871][T25438] [ 1535.652206][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1535.658901][T25438] do_recvmmsg+0xc2/0x22e0 [ 1535.663352][T25438] do_recvmmsg+0xc2/0x22e0 [ 1535.974707][T25438] not chained 1040000 origins [ 1535.979442][T25438] CPU: 1 PID: 25438 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0 [ 1535.988281][T25438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1535.998378][T25438] Call Trace: [ 1536.001734][T25438] dump_stack+0x21c/0x280 [ 1536.006131][T25438] kmsan_internal_chain_origin+0x6f/0x130 [ 1536.011902][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1536.018173][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.023413][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1536.029351][T25438] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 1536.035434][T25438] ? unix_dgram_recvmsg+0x1a0a/0x1c20 [ 1536.040834][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.046053][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1536.051722][T25438] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 1536.057817][T25438] ? _copy_from_user+0x201/0x310 [ 1536.062772][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.068012][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.072964][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.078104][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.083153][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.087706][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.092971][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.098183][T25438] ? kmsan_internal_set_origin+0x85/0xc0 [ 1536.103830][T25438] ? __msan_poison_alloca+0xe9/0x110 [ 1536.109128][T25438] ? __sys_recvmmsg+0xb5/0x5f0 [ 1536.113907][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.118661][T25438] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1536.124495][T25438] ? kmsan_get_metadata+0x116/0x180 [ 1536.129719][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.135835][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.142010][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.147241][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.152105][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.156647][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.162993][T25438] RIP: 0023:0xf7f69549 [ 1536.167073][T25438] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 1536.187520][T25438] RSP: 002b:00000000f55630cc EFLAGS: 00000296 ORIG_RAX: 0000000000000151 [ 1536.196127][T25438] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000880 [ 1536.204116][T25438] RDX: 0000000004000246 RSI: 0000000000000000 RDI: 0000000000000000 [ 1536.212108][T25438] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1536.220189][T25438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1536.228171][T25438] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1536.236155][T25438] Uninit was stored to memory at: [ 1536.241218][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.246994][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.251965][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.257164][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.262307][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.266844][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.271539][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.277919][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.284094][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.290296][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.295171][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.299696][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.306025][T25438] [ 1536.308353][T25438] Uninit was stored to memory at: [ 1536.313486][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.319218][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.324288][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.329436][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.334401][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.338922][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.343684][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.349802][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.355975][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.361194][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.366065][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.370654][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.377303][T25438] [ 1536.379901][T25438] Uninit was stored to memory at: [ 1536.384946][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.390684][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.396515][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.401726][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.406673][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.411212][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.415958][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.422053][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.428253][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.433462][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.438368][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.442878][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.449225][T25438] [ 1536.451592][T25438] Uninit was stored to memory at: [ 1536.456701][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.462477][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.467433][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.472651][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.477594][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.482140][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.486832][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.492924][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.499108][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.504422][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.509292][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.513930][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.520357][T25438] [ 1536.522709][T25438] Uninit was stored to memory at: [ 1536.529869][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.535633][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.540883][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.546040][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.550992][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.555515][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.560210][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.566325][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.572611][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.577822][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.582704][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.587335][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.593673][T25438] [ 1536.596004][T25438] Uninit was stored to memory at: [ 1536.601050][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.606830][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.611801][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.616931][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.621888][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.627337][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.632042][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.638142][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.644350][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.649589][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.654467][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.658996][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.665327][T25438] [ 1536.667675][T25438] Uninit was stored to memory at: [ 1536.672758][T25438] kmsan_internal_chain_origin+0xad/0x130 [ 1536.678496][T25438] __msan_chain_origin+0x57/0xa0 [ 1536.683457][T25438] __get_compat_msghdr+0x6db/0x9d0 [ 1536.688587][T25438] get_compat_msghdr+0x108/0x2b0 [ 1536.693911][T25438] do_recvmmsg+0xdc7/0x22e0 [ 1536.698603][T25438] __sys_recvmmsg+0x340/0x5f0 [ 1536.703320][T25438] __se_compat_sys_recvmmsg_time32+0xfb/0x120 [ 1536.709412][T25438] __ia32_compat_sys_recvmmsg_time32+0x62/0x80 [ 1536.715801][T25438] __do_fast_syscall_32+0x129/0x180 [ 1536.721026][T25438] do_fast_syscall_32+0x6a/0xc0 [ 1536.726391][T25438] do_SYSENTER_32+0x73/0x90 [ 1536.730943][T25438] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1536.737271][T25438] [ 1536.740304][T25438] Local variable ----msg_sys@do_recvmmsg created at: [ 1536.747634][T25438] do_recvmmsg+0xc2/0x22e0 [ 1536.752082][T25438] do_recvmmsg+0xc2/0x22e0 [ 1536.793593][T10417] Bluetooth: hci0: command 0x0406 tx timeout 02:32:40 executing program 2: 02:32:40 executing program 1: 02:32:40 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)="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", 0x177}], 0x2) 02:32:40 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="ce0138f7991858b076f7b6a0005fe3e370020540e61973fb93ea186a11855c37931bbb23923190878199925d6e4f88c322dc278ffb3c1cb98d25e0dadd52431d301c4d8e56462948fca526e3eaa19d1e6613a8a950477f3a846ad840ebf03fd9c28d54f1e55d689b396684fdb443344b6a4904a0200f7a68b8ab710ff04f12d17ceccfa21e82bd3fe8e9ac3c44373020efbca3140704a20422bb4b9d7327db01eefe1c2c33d83605452d1eacf0e95b4084b58fb60c046cb01a3d80b0a64bdd3ddfe1751f8152060eb3fb443a6581be568390bd12c847f67170cdfb60f566db5e6b7bfdc3b14d72844cb0cc21c8ab09c3e534a831ae39f34ef5c1259cc3dd6e8b9ea0be7220abdc7403423e2dbe5b815a2121d0f6cf8395391208f22ecf6c51f1b850d80572408ef9d5164fe23d04152144dc226bf8404e18a1910d21e8fb27c3e1c22d47a7455414727af9a94736705af33a35602e84269332f5a8a7f2553afe01603bbeb3d7a97c503618ce7ef361e508d241e7ac457b894297fa3298adf86fecf21839d1a01385f717abc7afd9b2a3e5ddfb6894eaec20afa44b18c080a64da57d916a974bccd5e99b2580c2d5753624c168657939655d4bb51a65f3e9f50936c5dcc794de50652fdc1644d92ec30834f84eb038892ad7904a663b68c22b989b6e23184d6369403e62f096c0c67e100a4fc1fa0f714db736cbc1b2ed714f21f279f14dbd332dfc1fc7a465f150ae252b08a152bff043658274ec3b7108f1f92651e14a999a8e64b1ee49a97b7d614434e57be88100bc6e7eb7f3ea7e9c080c67dc003fbc9eeb0454a62ba06ede6dcb49ee3d5f7978052f23b87eb74cd7d83e5b2c32ce7986349d8be995a907d539ab0006a122d727d23d6669a12954db2bf400c3f5d4183cccfc22d5f5688220711b4c14811375ee59a1aad7f18819f2f7e2bf326c52afbe33e8c5d68835b95d9e0c614d27e2b116855140c1db107102af37c479b24ec3e2d59ec4d0b2cea8283560523b65fcd60f470811a0eb0793ebff40f5039b6c32f5c812c03d86ab7299e31a543e822b1df0678cfb8a0064be9cc76c0f267cf5d3457793e45477b19c48b1d4d7822ffd5229e34839a0784ab0cf8e8e06a02722a4c5fef760c6af51bc305f7489e364aa928f0cff32ac4f3e0f56dbcdc031a92c36f384081e4bd8bc96885fee40100eaf78afece1c57a42ef7edc6a0c6c07615d0a56ed087262e53d13ce31fa602c2301520ebf47a67d18641558c7f1fbd90b14626621a854b64bde2e69fc6fd0222fee1466556e8e30f6dd63a9e352dd795b2959ca02cc1ca38039be894deb1cf4939bd6d65265dd6d7e7a8bf45b9f6d9d0bdbb95b92d687588f5a04d2e7b80a06605e933e6b1836be024b7ca19721526b74379dea943e1fbc679be0468fe41ef16c2f571e1578b70b55472b18e78898e6a91a76e9c55027210ac23a33d3ec2e788bf52f38a3c249ffb96b9a9151e899b34ac4dca28f13254fe4517873d8c286545060abce9c8e41c7021814e8c9fae2adfbb10dfccf4a6123430f048e67e51c822cb89e84abbad4dffec52ee5a95267325ecce2a6ab0ca86adf34402c0295140d5a204d4dbc6f7d5e9d574604c7574b4176bc9ce0737035ef2693e2769dfcd777c28d141ed49f5f47a0ca7a3675644cd162eb8d006baa14bad065bbd1752d411ad9d4a25efa26849a5bcd1097c8a8174ec30c210b74dd4e73168550c49f5ca50fbfe3028c99f83f2981e43530c6e77bffda799b603a8eed2b27856cedbce435d47fea25f78c3f151144818dd7294e178b431bed8a06db4e3f410fa4c92549d6c0c85a30fc3a051203317bc5ea6b9765e0c64ed704d76792fbce6293d0f1a423ffb021d323aba0b41056783d78b4cdc522c1825674e15dccc87275b1f7031d3965d918a27588cbd4618702abccfa770c9877fffe1517900f4b919a0ee0ba80d49730b0f5c6eee5ac21b48f03ceba08363c30fee54b441c362cb05987a579513bb0ec094ca8dfa61d842e36eabd445e2e81a3f8819827f2eb38043752da25b6745b81da9b79e1312456a94e4225dee135a378e32b8f676c886ad86e9c429128d43b50151ae1521b5a67d72cde17b69b35b02321492334edae8b07b04d319f970aaaeeeee0f1cec8bee4088a2f4f409a5e91fdd8b428c3a8e3964b030adbc24543aa261af23ff0e448ccbacd04006993e6e19b81b6c3d3c25da15d364daca2759ec63f5a8c421c0d2595474b042bf1440f98364d0b6862cb5d1cab37becc5cd3bf315218a16ced986922109e8e997f9b03e27f500267c5afecdf24c1367fb828f0978ea638a1d7608fc9b72c2b5fc854341e5b0c5284d9143491722d03db90415d879ddccd82da86e43945c442509f5cff3662fa051cf341c9619433c451a260e05a3a417d2c53fbd2e9fd321dfb2c8de9d227638047868a9b048be97b44bbf2ef8fc4c631e7ffe4cb25c11e736399dd6a4bf8edf68e52870a81fabaa37b138e12f73e383f1ec393354f5582e6c296ec696c967bee4b9be3838f4ac45ca47d81b537669f36af4e48433e645b9ad383da9407b74825671d3f575f520a91a35c0ea2a6c59d0d4fbc13ebdf86926614941d75783fdabbc7d00a394c1ab339c10f27188f835c4597a878dda19d390fe71a735e024d3fa2a7473cd8aa31b468b3e2555bcc3db04d3d6cd7b21e5ae9aba1171e09b6e665ab0f086a5c5e2c4afc1d04ec53e43f2f30fe258e248b09afa5b8a956641e0af351afdfa74f56aef7bb456ed8c2d94f046f8ee8c7a251634000bfc9aff9585a385695bd624764830b12d77c012419821c296f2c32ab50948eb7364cf22f208eaa12760436117c7f49c3ecb5d48e56554495d634700c39b7e477e7d9420fb6f0bfd16610afcb3986a75c0c790b47ea4731f4d07cc03a2cde8cea3a86b2252d1b912f9e1cd7b21bac009d2cfb5815e51cd12a778278a62f8b3022473e92bfc6c70fc1423d6b9ef38fd3c406ac9ec863671fcb8a908fef42d74a02795c6db91667388408408b0e28a4a815d22d5e1e851d407f928b8f08927735b4d147c937f64df3742000ca791055a8954e17b5e4481172a7c81d2e00a4a93075ee6114858a324b9793c982aad0c3c87b028b6988b636ab5f3e4848c95ff53c903be172ba4229516b353ed5a6c61299bfb8e7b94687ff92da2ef64d2cfe90af6bdb2bb01f8026d5a1038361c41d7d976a4878aa79cdfc5c2cedfde86f5640c29a6248b50bf0515b618917fed1a06c7c361a48ba", 0x910}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:32:40 executing program 3: 02:32:40 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000380)=ANY=[@ANYBLOB="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"]) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:32:41 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x910}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:32:41 executing program 3: 02:32:41 executing program 1: [ 1538.232210][T25737] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1550 sclass=netlink_route_socket pid=25737 comm=syz-executor.0 [ 1538.544574][ T9189] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 02:32:41 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, 0x0) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:32:41 executing program 3: 02:32:42 executing program 1: [ 1539.310273][ T9189] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1539.996969][ T9189] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1540.816529][ T9189] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1541.040886][ T9189] tipc: TX() has been purged, node left! [ 1545.365933][T25794] IPVS: ftp: loaded support on port[0] = 21 [ 1545.649391][T25794] sit0 speed is unknown, defaulting to 1000 [ 1546.117133][ T9189] device hsr_slave_0 left promiscuous mode [ 1546.141780][ T9189] device hsr_slave_1 left promiscuous mode [ 1546.186870][ T9189] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1546.194969][ T9189] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1546.214496][ T9189] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1546.222390][ T9189] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1546.243972][ T9189] device bridge_slave_1 left promiscuous mode [ 1546.251234][ T9189] bridge0: port 2(bridge_slave_1) entered disabled state [ 1546.265912][ T9189] device bridge_slave_0 left promiscuous mode [ 1546.273069][ T9189] bridge0: port 1(bridge_slave_0) entered disabled state [ 1546.306063][ T9189] device veth1_macvtap left promiscuous mode [ 1546.315617][ T9189] device veth0_macvtap left promiscuous mode [ 1546.322014][ T9189] device veth1_vlan left promiscuous mode [ 1546.328020][ T9189] device veth0_vlan left promiscuous mode [ 1547.262067][ T26] Bluetooth: hci0: command 0x0409 tx timeout [ 1549.338172][ T8984] Bluetooth: hci0: command 0x041b tx timeout [ 1550.633748][ T9189] bond1 (unregistering): Released all slaves [ 1550.871059][ T9189] team0 (unregistering): Port device team_slave_1 removed [ 1550.893948][ T9189] team0 (unregistering): Port device team_slave_0 removed [ 1550.915247][ T9189] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1550.947345][ T9189] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1551.075639][ T9189] bond0 (unregistering): Released all slaves [ 1551.420033][ T8984] Bluetooth: hci0: command 0x040f tx timeout [ 1551.464712][T25794] chnl_net:caif_netlink_parms(): no params data found [ 1551.681932][T25794] bridge0: port 1(bridge_slave_0) entered blocking state [ 1551.689380][T25794] bridge0: port 1(bridge_slave_0) entered disabled state [ 1551.699688][T25794] device bridge_slave_0 entered promiscuous mode [ 1551.790861][T25794] bridge0: port 2(bridge_slave_1) entered blocking state [ 1551.798419][T25794] bridge0: port 2(bridge_slave_1) entered disabled state [ 1551.808481][T25794] device bridge_slave_1 entered promiscuous mode [ 1551.898643][T25794] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1551.919527][T25794] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1551.986683][T25794] team0: Port device team_slave_0 added [ 1552.052817][T25794] team0: Port device team_slave_1 added [ 1552.162754][T25794] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1552.169974][T25794] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1552.196716][T25794] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1552.284734][T25794] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1552.292163][T25794] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1552.319390][T25794] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1552.511526][T25794] device hsr_slave_0 entered promiscuous mode [ 1552.562160][T25794] device hsr_slave_1 entered promiscuous mode [ 1552.832043][ T9189] tipc: TX() has been purged, node left! [ 1553.498062][ T3800] Bluetooth: hci0: command 0x0419 tx timeout [ 1554.418327][T25794] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1554.545458][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1554.554941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1554.627033][T25794] 8021q: adding VLAN 0 to HW filter on device team0 [ 1554.771837][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1554.782407][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1554.791892][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 1554.799226][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1554.996963][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1555.028049][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1555.038879][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1555.050040][ T8984] bridge0: port 2(bridge_slave_1) entered blocking state [ 1555.057306][ T8984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1555.129978][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1555.141491][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1555.152531][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1555.163025][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1555.236744][T25794] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1555.247727][T25794] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1555.271616][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1555.281822][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1555.292388][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1555.303058][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1555.312868][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1555.323741][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1555.333741][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1555.475872][ T9189] device hsr_slave_0 left promiscuous mode [ 1555.487543][ T9189] device hsr_slave_1 left promiscuous mode [ 1555.497382][ T9189] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1555.505540][ T9189] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1555.523321][ T9189] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1555.531574][ T9189] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1555.549841][ T9189] device bridge_slave_1 left promiscuous mode [ 1555.556565][ T9189] bridge0: port 2(bridge_slave_1) entered disabled state [ 1555.573618][ T9189] device bridge_slave_0 left promiscuous mode [ 1555.580519][ T9189] bridge0: port 1(bridge_slave_0) entered disabled state [ 1555.623855][ T9189] device veth1_macvtap left promiscuous mode [ 1555.630765][ T9189] device veth0_macvtap left promiscuous mode [ 1555.636979][ T9189] device veth1_vlan left promiscuous mode [ 1555.643066][ T9189] device veth0_vlan left promiscuous mode [ 1560.453558][ T9189] team0 (unregistering): Port device team_slave_1 removed [ 1560.492426][ T9189] team0 (unregistering): Port device team_slave_0 removed [ 1560.562461][ T9189] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1560.631289][ T9189] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1560.761060][ T9189] bond0 (unregistering): Released all slaves [ 1560.898117][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1560.959920][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1560.969122][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1561.016695][T25794] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1561.298784][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1561.309556][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1561.398436][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1561.408995][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1561.441409][T25794] device veth0_vlan entered promiscuous mode [ 1561.458222][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1561.468734][T10408] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1561.527575][T25794] device veth1_vlan entered promiscuous mode [ 1561.613081][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1561.622981][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1561.632977][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1561.643231][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1561.676471][T25794] device veth0_macvtap entered promiscuous mode [ 1561.696345][T25794] device veth1_macvtap entered promiscuous mode [ 1561.766346][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1561.780718][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1561.792668][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1561.807267][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1561.817835][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1561.829002][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1561.839328][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1561.851004][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1561.866780][T25794] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1561.876258][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1561.887488][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1561.899695][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1561.911587][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1561.969133][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1561.987990][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1562.005715][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1562.017931][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1562.030194][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1562.041443][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1562.052778][T25794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1562.065428][T25794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1562.080305][T25794] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1562.090086][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1562.102160][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1562.559476][T26026] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1562.568751][T26026] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1562.585009][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1562.828193][T14458] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1562.837420][T14458] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1562.849081][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 02:33:05 executing program 2: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x0, 0x0) r1 = socket(0x10, 0x2, 0x0) r2 = dup3(r1, r0, 0x0) sched_setscheduler(0x0, 0x5, &(0x7f0000000080)) syz_open_procfs(0x0, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, 0x0, 0x0) 02:33:05 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x910}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:05 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000380)=0x404100000001, 0x4) connect$inet6(r0, &(0x7f0000000080), 0x1c) r1 = dup2(r0, r0) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000440), 0x132441) sendmsg$NL80211_CMD_GET_SURVEY(r1, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={0x0}}, 0x20008080) 02:33:05 executing program 1: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x200000000001, 0x0) bind$unix(r1, &(0x7f0000366000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) listen(r1, 0x0) connect$unix(r0, &(0x7f0000932000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) r2 = dup3(r1, r0, 0x0) r3 = accept4$packet(r2, 0x0, 0x0, 0x0) ioctl$F2FS_IOC_GARBAGE_COLLECT(r3, 0x5450, 0x0) 02:33:05 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)="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", 0x177}], 0x2) 02:33:05 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, 0x0) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:33:06 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x915}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:07 executing program 1: r0 = epoll_create1(0x0) close(r0) r1 = socket$packet(0x11, 0x2, 0x300) r2 = socket(0xa, 0x2, 0x0) setsockopt$inet_int(r2, 0x0, 0x8, &(0x7f0000000040)=0xd3, 0x4) getsockopt$inet_pktinfo(r2, 0x0, 0x8, &(0x7f0000000140)={0x0, @rand_addr, @initdev}, &(0x7f0000000180)=0xc) bind$packet(r1, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @local}, 0x14) sendmsg$BATADV_CMD_GET_ROUTING_ALGOS(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={0x0}}, 0x0) 02:33:07 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x2) write$evdev(r0, &(0x7f0000057fa0)=[{}, {}], 0xfffffd24) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$FIDEDUPERANGE(r1, 0xc0189436, 0x0) timer_create(0x0, &(0x7f0000000300)={0x0, 0x12}, &(0x7f0000000340)) timer_settime(0x0, 0x0, &(0x7f0000000880)={{0x0, 0x1c9c380}, {0x0, 0x989680}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x1c9c380}, {0x0, 0x1c9c380}}, 0x0) 02:33:07 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x915}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:07 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f0000003b40)=[{{&(0x7f0000002d80)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x80, 0x0}}], 0x1, 0x0, 0x0) write$P9_RUNLINKAT(r0, 0x0, 0x0) dup3(r0, r2, 0x0) sendmsg$NL80211_CMD_UPDATE_FT_IES(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0}}, 0x0) 02:33:08 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x915}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:09 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_PORT_UNSPLIT(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x4000004) 02:33:09 executing program 1: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r1 = socket$unix(0x1, 0x200000000001, 0x0) bind$unix(r1, &(0x7f0000366000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) listen(r1, 0x0) accept4$packet(r1, 0x0, 0x0, 0x0) close(r1) tkill(r0, 0x1000000000016) 02:33:09 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x917}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:09 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)="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", 0x177}], 0x2) 02:33:09 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x917}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) [ 1571.224676][T26102] IPVS: ftp: loaded support on port[0] = 21 [ 1571.312614][T26102] sit0 speed is unknown, defaulting to 1000 [ 1572.409492][T26102] chnl_net:caif_netlink_parms(): no params data found [ 1572.704953][T26102] bridge0: port 1(bridge_slave_0) entered blocking state [ 1572.712527][T26102] bridge0: port 1(bridge_slave_0) entered disabled state [ 1572.722661][T26102] device bridge_slave_0 entered promiscuous mode [ 1572.822531][T26102] bridge0: port 2(bridge_slave_1) entered blocking state [ 1572.830257][T26102] bridge0: port 2(bridge_slave_1) entered disabled state [ 1572.844923][T26102] device bridge_slave_1 entered promiscuous mode [ 1572.930974][T26102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1572.956462][T26102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1573.046210][T26102] team0: Port device team_slave_0 added [ 1573.066539][T26102] team0: Port device team_slave_1 added [ 1573.141124][T26102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1573.149094][T26102] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1573.176203][T26102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1573.188588][ T8984] Bluetooth: hci2: command 0x0409 tx timeout [ 1573.199978][T26102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1573.207140][T26102] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1573.234073][T26102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1573.360893][T26102] device hsr_slave_0 entered promiscuous mode [ 1573.399955][T26102] device hsr_slave_1 entered promiscuous mode [ 1573.442660][T26102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1573.451250][T26102] Cannot create hsr debugfs directory [ 1574.242272][T26102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1574.310822][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1574.320860][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1574.357212][T26102] 8021q: adding VLAN 0 to HW filter on device team0 [ 1574.414746][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1574.426335][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1574.435884][ T8984] bridge0: port 1(bridge_slave_0) entered blocking state [ 1574.443211][ T8984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1574.475439][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1574.492005][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1574.503824][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1574.514199][ T8984] bridge0: port 2(bridge_slave_1) entered blocking state [ 1574.521853][ T8984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1574.597099][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1574.609139][ T8984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1574.680178][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1574.690991][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1574.702002][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1574.712843][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1574.724285][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1574.733927][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1574.762111][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1574.796116][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1574.806181][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1574.854612][T26102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1574.955585][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1574.964752][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1575.009141][T26102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1575.260054][ T3249] Bluetooth: hci2: command 0x041b tx timeout [ 1575.377295][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1575.388162][ T3249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1575.510216][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1575.520118][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1575.566311][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1575.575977][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1575.594495][T26102] device veth0_vlan entered promiscuous mode [ 1575.699672][T26102] device veth1_vlan entered promiscuous mode [ 1575.901483][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1575.911241][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1575.921133][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1575.931300][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1575.969634][T26102] device veth0_macvtap entered promiscuous mode [ 1576.030395][T26102] device veth1_macvtap entered promiscuous mode [ 1576.171821][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1576.182819][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.192937][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1576.203542][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.213549][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1576.224202][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.234232][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1576.244820][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.254855][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 1576.265434][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.279951][T26102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1576.289223][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1576.300765][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1576.310600][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1576.321009][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1576.395513][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1576.406702][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.417524][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1576.428763][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.438792][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1576.449359][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.459663][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1576.470287][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.480301][T26102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 1576.490884][T26102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 1576.505795][T26102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1576.515161][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1576.528182][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1577.038954][T14531] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1577.046891][T14531] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1577.058976][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1577.224946][T14531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1577.233169][T14531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1577.249168][ T3800] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1577.344146][ T9787] Bluetooth: hci2: command 0x040f tx timeout [ 1577.749885][T26334] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1550 sclass=netlink_route_socket pid=26334 comm=syz-executor.0 02:33:20 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, 0x0) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:33:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = epoll_create1(0x0) dup2(r0, r1) getsockopt$SO_COOKIE(r1, 0x1, 0x7, 0x0, &(0x7f0000000000)) 02:33:20 executing program 2: r0 = syz_open_dev$evdev(&(0x7f00000009c0)='/dev/input/event#\x00', 0x0, 0x5) write$binfmt_elf64(r0, &(0x7f00000000c0)=ANY=[], 0x100000289) r1 = fcntl$dupfd(r0, 0x0, r0) timer_create(0x0, &(0x7f0000000300)={0x0, 0x12}, &(0x7f0000000340)) timer_settime(0x0, 0x0, &(0x7f0000000880)={{0x0, 0x1c9c380}, {0x0, 0x989680}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x0, &(0x7f0000000180)={{0x0, 0x1c9c380}, {0x0, 0x1c9c380}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCDELPRL(r1, 0x89f6, 0x0) [ 1578.932144][T14531] tipc: TX() has been purged, node left! 02:33:23 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) write$P9_RXATTRCREATE(r1, &(0x7f0000001040)={0x7}, 0x7) recvfrom$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 02:33:23 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)="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", 0x233}], 0x2) 02:33:23 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000180)='comm\x00') dup2(r1, r0) ftruncate(r0, 0x0) 02:33:23 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x917}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:23 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IPVS_CMD_GET_INFO(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x4c000) 02:33:23 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f0000000380)=ANY=[]) r1 = socket(0x400000000000010, 0x2, 0x0) write(r1, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') mount$fuse(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f0000000540)='fuse\x00', 0x1302080, &(0x7f0000000a80)=ANY=[@ANYBLOB="66643dc1273472b7cb7fbc9c928f8375c31161b58895a51a88644fa93a95e95ba307d921d9e1d31fcc46c50a5efbf9764ec5bda764777536b51fa60a0c27ae2d13ef92a5c77aa368c378de98143d7ba0ac559456a345d892c646e1c4a21ddc8768a33039e283e595ab696c2c28f17be7a2752d3b723841ae39722b40cefdde53a5585e31803c5bd37f63e2b4", @ANYRESHEX=r0, @ANYBLOB=',rootmode=00000000000000000100000,user_id', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYBLOB="2c616c6c6f775f6f746865722c616c6c6f775f6f746865722c646566636f6e746578743d73746166665f752c736d61636b6673726f6f743d2c736d61636b66736861743d6c6f00966fd651b959a9c84a2c00d2970403dc0d2c666f776e65723c", @ANYRESDEC=0x0, @ANYBLOB=',uid=', @ANYRESDEC=0xee00, @ANYBLOB=',dont_measure,defcontext=root,hash,\x00']) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000005c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000580)={&(0x7f0000000280)={0x40, 0xe, 0x6, 0x3, 0x0, 0x0, {0x3, 0x0, 0x2}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz1\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x4050}, 0x20040010) pivot_root(&(0x7f0000000340)='./file0\x00', &(0x7f0000000040)='./file0\x00') fchmodat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x34) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, &(0x7f00000004c0)=ANY=[@ANYBLOB="080000ffff00"/16]) sync() 02:33:23 executing program 1: splice(0xffffffffffffffff, 0x0, 0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0xd) 02:33:23 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000140)=0xdc4b) read(r0, &(0x7f0000000240)=""/35, 0x23) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000100)) ioctl$FS_IOC_SETVERSION(r0, 0x40087602, 0x0) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r1, 0x5402, &(0x7f00000001c0)) 02:33:23 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x918}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:24 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x0, 0x0) dup3(r0, r1, 0x0) sendmsg$NL80211_CMD_TDLS_OPER(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 02:33:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) write$P9_RVERSION(r0, &(0x7f0000000080)={0x13, 0x65, 0xffff, 0x0, 0x6, '9P2000'}, 0x0) 02:33:24 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x918}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) 02:33:24 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = signalfd(0xffffffffffffffff, &(0x7f0000000140), 0x8) dup3(r0, r1, 0x0) sendmsg$NL80211_CMD_SET_BSS(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) [ 1584.235771][T14531] device hsr_slave_0 left promiscuous mode 02:33:27 executing program 5: r0 = socket$unix(0x1, 0x2, 0x0) r1 = socket(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) writev(r5, &(0x7f0000001480)=[{0x0}, {&(0x7f00000003c0)="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", 0x233}], 0x2) 02:33:27 executing program 3: sched_setscheduler(0x0, 0x5, &(0x7f00000003c0)) pipe2(0x0, 0x0) sched_setscheduler(0x0, 0x0, &(0x7f0000000000)) 02:33:27 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r0, 0x0, 0xfffffffffffffc47, 0x20010001, &(0x7f0000000280)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) r1 = dup2(r0, r0) sendmsg$NL80211_CMD_SET_PMKSA(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0xd0) 02:33:27 executing program 4: r0 = socket$inet(0x2, 0x4000000000080001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xa, &(0x7f00000000c0)=0xfd1, 0x4) bind$inet(r0, &(0x7f0000001440)={0x2, 0x4e23, @multicast2}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x2600cff9, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000000), 0x4) sendmmsg$inet(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f0000002900)=[{&(0x7f0000001800)="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", 0x918}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f0000001480)="d7", 0x1, 0x40011, 0x0, 0x0) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)=""/4107, 0x100b}], 0x1}, 0x0) [ 1584.318222][T14531] device hsr_slave_1 left promiscuous mode [ 1584.816160][T14531] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1584.824065][T14531] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1584.895628][T14531] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1584.903323][T14531] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1584.998194][T14531] device bridge_slave_1 left promiscuous mode [ 1585.005044][T14531] bridge0: port 2(bridge_slave_1) entered disabled state [ 1585.134585][T14531] device bridge_slave_0 left promiscuous mode [ 1585.141747][T14531] bridge0: port 1(bridge_slave_0) entered disabled state [ 1585.291604][T14531] device veth1_macvtap left promiscuous mode [ 1585.298135][T14531] device veth0_macvtap left promiscuous mode [ 1585.304474][T14531] device veth1_vlan left promiscuous mode [ 1585.310577][T14531] device veth0_vlan left promiscuous mode [ 1590.301883][T10417] Bluetooth: hci2: command 0x0409 tx timeout [ 1592.378688][T10417] Bluetooth: hci2: command 0x041b tx timeout [ 1592.400420][T14531] team0 (unregistering): Port device team_slave_1 removed [ 1592.429354][T14531] team0 (unregistering): Port device team_slave_0 removed [ 1592.453887][T14531] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1592.481084][T14531] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1592.583451][T14531] bond0 (unregistering): Released all slaves [ 1592.675897][T26420] IPVS: ftp: loaded support on port[0] = 21 [ 1592.719914][T26420] sit0 speed is unknown, defaulting to 1000 [ 1593.154019][T26420] chnl_net:caif_netlink_parms(): no params data found [ 1593.252795][T26547] Kernel panic - not syncing: kmsan_in_runtime: -1 [ 1593.259412][T26547] CPU: 0 PID: 26547 Comm: wg-crypt-wg1 Not tainted 5.9.0-rc8-syzkaller #0 [ 1593.267914][T26547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1593.277982][T26547] Call Trace: [ 1593.281318][T26547] dump_stack+0x21c/0x280 [ 1593.286073][T26547] panic+0x4ca/0xed7 [ 1593.290019][T26547] ? update_curr+0x848/0x17f0 [ 1593.295339][T26547] ? util_est_dequeue+0xd8/0x970 [ 1593.300297][T26547] ? kmsan_internal_memset_shadow+0x4e/0xb0 [ 1593.306207][T26547] __msan_poison_alloca+0x106/0x110 [ 1593.311428][T26547] ? util_est_dequeue+0xd8/0x970 [ 1593.316392][T26547] ? util_est_dequeue+0xd8/0x970 [ 1593.321351][T26547] util_est_dequeue+0xd8/0x970 [ 1593.326149][T26547] ? psi_group_change+0x10e3/0x1440 [ 1593.331378][T26547] dequeue_task_fair+0x891/0x1260 [ 1593.336427][T26547] ? enqueue_task_fair+0x2f80/0x2f80 [ 1593.341848][T26547] deactivate_task+0x312/0x530 [ 1593.346745][T26547] __schedule+0x1e4/0x590 [ 1593.351107][T26547] schedule+0x260/0x330 [ 1593.355304][T26547] schedule_preempt_disabled+0xe/0x10 [ 1593.360769][T26547] kthread+0x421/0x560 [ 1593.364952][T26547] ? rcu_free_pwq+0x70/0x70 [ 1593.369734][T26547] ? kthread_blkcg+0x110/0x110 [ 1593.374564][T26547] ret_from_fork+0x1f/0x30 [ 1594.476194][T26547] Shutting down cpus with NMI [ 1594.493721][T26547] Kernel Offset: disabled [ 1594.498091][T26547] Rebooting in 86400 seconds..