last executing test programs: 25.009304688s ago: executing program 0 (id=330): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$L2TP_CMD_TUNNEL_GET(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x14}, 0x14}}, 0x44004) 20.750689569s ago: executing program 0 (id=331): close(0xffffffffffffffff) execveat(0xffffffffffffffff, &(0x7f0000000140)='./file1\x00', 0x0, 0x0, 0x0) 16.874761508s ago: executing program 0 (id=332): r0 = syz_io_uring_setup(0x1114, &(0x7f0000000300), &(0x7f00000001c0)=0x0, &(0x7f0000000040)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x4, &(0x7f0000000080)=0xfffffffc, 0x0, 0x4) io_uring_enter(r0, 0x47fa, 0x0, 0x0, 0x0, 0x0) 13.971809558s ago: executing program 1 (id=334): r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$int_in(r0, 0x5421, &(0x7f0000000000)) 12.017156543s ago: executing program 1 (id=335): r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0) 9.86085115s ago: executing program 1 (id=336): clock_nanosleep(0x2, 0x1, &(0x7f0000001400)={0x0, 0x989680}, &(0x7f0000001440)) 8.375835538s ago: executing program 0 (id=337): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f00000004c0)) 6.599782802s ago: executing program 1 (id=338): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r0, &(0x7f0000000080)={&(0x7f0000000000), 0xfffffffffffffe8e, &(0x7f0000000040)={0xffffffffffffffff}}, 0x0) 4.180589854s ago: executing program 0 (id=339): r0 = syz_open_procfs(0x0, &(0x7f0000000000)='pagemap\x00') close_range(r0, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_SET_NETID(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000280)={0x24, 0x0, 0x0, 0x0, 0x0, {{}, {}, {0x8}}}, 0x24}}, 0x0) 2.614068317s ago: executing program 1 (id=340): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_RATE_SET(r0, &(0x7f0000001540)={0x0, 0x0, &(0x7f0000001500)={&(0x7f00000014c0)={0x14}, 0x14}}, 0x2404c040) 1.19278785s ago: executing program 0 (id=341): r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x0, 0x0) bind$unix(r1, 0x0, 0x0) listen(r1, 0x0) r2 = dup3(r1, r0, 0x0) r3 = accept(r2, 0x0, 0x0) ioctl$F2FS_IOC_DEFRAGMENT(r3, 0x5450, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNGETIFF(r4, 0x89e0, 0x0) openat$full(0xffffffffffffff9c, &(0x7f00000000c0), 0x402, 0x0) r5 = socket$inet_tcp(0x2, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) setsockopt$inet_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, 0x0, 0x0) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r6, 0x8983, &(0x7f00000002c0)={0x0, 'ip6gre0\x00'}) ioctl$TUNSETSTEERINGEBPF(0xffffffffffffffff, 0x800454e0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x1010, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_SET_MCAST_RATE(0xffffffffffffffff, 0x0, 0x0) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f0000000000)={0x1, 0x84, {0xffffffffffffffff}, {0xffffffffffffffff}, 0x7, 0x5}) quotactl_fd$Q_GETINFO(0xffffffffffffffff, 0xffffffff80000500, r7, &(0x7f0000000040)) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(0xffffffffffffffff, 0x40bc5311, &(0x7f00000002c0)={0x0, 0x0, 'client0\x00', 0x0, "8b4fbde0a77b8945", "c2bbc581cff5091bcc13817e3943a1ac0e7a9dc9a0cb2f102103f67204c64591"}) socket$nl_route(0x10, 0x3, 0x0) 0s ago: executing program 1 (id=342): r0 = openat$dlm_monitor(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) close(r0) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$DEVLINK_CMD_RATE_SET(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000500)={0x14}, 0x14}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:34631' (ED25519) to the list of known hosts. syzkaller login: [ 277.713384][ T3029] cgroup: Unknown subsys name 'net' [ 278.482417][ T3029] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 329.100403][ T3029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 354.492741][ T3036] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 354.542682][ T3036] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 356.517441][ T3037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 356.623569][ T3037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 365.325336][ T3036] hsr_slave_0: entered promiscuous mode [ 365.397529][ T3036] hsr_slave_1: entered promiscuous mode [ 368.442019][ T3037] hsr_slave_0: entered promiscuous mode [ 368.490155][ T3037] hsr_slave_1: entered promiscuous mode [ 368.520359][ T3037] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 368.524683][ T3037] Cannot create hsr debugfs directory [ 373.162558][ T3036] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 373.378313][ T3036] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 373.511311][ T3036] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 373.624806][ T3036] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 374.813144][ T3037] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 374.887088][ T3037] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 374.974295][ T3037] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 375.137505][ T3037] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 382.765220][ T3036] 8021q: adding VLAN 0 to HW filter on device bond0 [ 385.421213][ T3037] 8021q: adding VLAN 0 to HW filter on device bond0 [ 417.243984][ T3036] veth0_vlan: entered promiscuous mode [ 417.572837][ T3036] veth1_vlan: entered promiscuous mode [ 418.502162][ T3036] veth0_macvtap: entered promiscuous mode [ 418.771818][ T3036] veth1_macvtap: entered promiscuous mode [ 420.324075][ T3037] veth0_vlan: entered promiscuous mode [ 420.832895][ T3036] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 420.839854][ T3036] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 420.841870][ T3036] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 420.843906][ T3036] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 421.041490][ T3037] veth1_vlan: entered promiscuous mode [ 424.090092][ T3037] veth0_macvtap: entered promiscuous mode [ 424.556366][ T3037] veth1_macvtap: entered promiscuous mode [ 426.022941][ T3037] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.024338][ T3037] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.050168][ T3037] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 426.052483][ T3037] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 481.042440][ T3779] Zero length message leads to an empty skb [ 482.688067][ T3781] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 519.504041][ T3843] fuse: Invalid rootmode [ 538.098532][ T3875] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 562.594087][ T3910] fuse: Bad value for 'fd' [ 576.089819][ T3942] serio: Serial port pts0 [ 593.868262][ T3978] fuse: Unknown parameter 'use00000000000000000000' [ 602.728181][ T35] audit: type=1326 audit(602.220:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=3993 comm="syz.0.108" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 618.337785][ T35] audit: type=1326 audit(617.860:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4006 comm="syz.1.113" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 626.508824][ T4020] serio: Serial port pts0 [ 634.307196][ T35] audit: type=1326 audit(633.820:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4030 comm="syz.0.121" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 645.707603][ T35] audit: type=1326 audit(645.230:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4046 comm="syz.0.126" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 657.078650][ T35] audit: type=1326 audit(656.600:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4068 comm="syz.0.134" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 668.017733][ T35] audit: type=1326 audit(667.540:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4092 comm="syz.0.142" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 681.498931][ T35] audit: type=1326 audit(681.010:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4112 comm="syz.1.149" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 690.892333][ T35] audit: type=1326 audit(690.420:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4128 comm="syz.1.156" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 723.071893][ T4181] serio: Serial port pts0 [ 785.024079][ T4299] fuse: Bad value for 'group_id' [ 804.569137][ T25] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 804.602274][ C1] hrtimer: interrupt took 756700 ns [ 805.007336][ T25] usb 1-1: unable to get BOS descriptor or descriptor too short [ 805.055458][ T25] usb 1-1: not running at top speed; connect to a high speed hub [ 805.190930][ T25] usb 1-1: config 7 has an invalid interface number: 200 but max is 0 [ 805.193177][ T25] usb 1-1: config 7 has no interface number 0 [ 805.218117][ T25] usb 1-1: config 7 interface 200 altsetting 8 has an invalid descriptor for endpoint zero, skipping [ 805.221096][ T25] usb 1-1: config 7 interface 200 altsetting 8 endpoint 0x3 has an invalid bInterval 0, changing to 10 [ 805.223669][ T25] usb 1-1: config 7 interface 200 altsetting 8 endpoint 0x3 has invalid wMaxPacketSize 0 [ 805.237232][ T25] usb 1-1: config 7 interface 200 altsetting 8 has an invalid descriptor for endpoint zero, skipping [ 805.239873][ T25] usb 1-1: config 7 interface 200 has no altsetting 0 [ 805.384435][ T25] usb 1-1: New USB device found, idVendor=22b8, idProduct=2a70, bcdDevice=ff.6f [ 805.391171][ T25] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 805.394185][ T25] usb 1-1: Product: syz [ 805.414527][ T25] usb 1-1: Manufacturer: syz [ 805.434450][ T25] usb 1-1: SerialNumber: syz [ 806.210917][ T25] option 1-1:7.200: GSM modem (1-port) converter detected [ 806.529721][ T25] usb 1-1: USB disconnect, device number 2 [ 806.821745][ T25] option 1-1:7.200: device disconnected [ 815.700398][ T3360] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 816.568335][ T3360] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 817.470047][ T3360] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 818.262150][ T3360] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 825.472509][ T3360] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 825.718605][ T3360] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 825.938548][ T3360] bond0 (unregistering): Released all slaves [ 827.052871][ T3360] hsr_slave_0: left promiscuous mode [ 827.132430][ T3360] hsr_slave_1: left promiscuous mode [ 827.591054][ T3360] veth1_macvtap: left promiscuous mode [ 827.617549][ T3360] veth0_macvtap: left promiscuous mode [ 827.624066][ T3360] veth1_vlan: left promiscuous mode [ 827.642284][ T3360] veth0_vlan: left promiscuous mode [ 853.836182][ T35] audit: type=1800 audit(853.360:10): pid=4424 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.250" name="/" dev="fuse" ino=1 res=0 errno=0 [ 875.443832][ T4379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 875.661971][ T4379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 891.921674][ T4379] hsr_slave_0: entered promiscuous mode [ 891.948666][ T4379] hsr_slave_1: entered promiscuous mode [ 891.971349][ T4379] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 891.973347][ T4379] Cannot create hsr debugfs directory [ 901.803968][ T4379] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 901.925215][ T4379] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 901.992685][ T4379] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 902.169303][ T4379] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 915.302529][ T4379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 967.956408][ T4379] veth0_vlan: entered promiscuous mode [ 968.443195][ T4379] veth1_vlan: entered promiscuous mode [ 970.540864][ T4379] veth0_macvtap: entered promiscuous mode [ 970.883731][ T4379] veth1_macvtap: entered promiscuous mode [ 972.821932][ T4379] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 972.849134][ T4379] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 972.851574][ T4379] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 972.853685][ T4379] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 982.886156][ T35] audit: type=1800 audit(982.380:11): pid=4889 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.269" name="/" dev="fuse" ino=1 res=0 errno=0 [ 999.816751][ T35] audit: type=1800 audit(999.330:12): pid=4918 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.277" name="/" dev="fuse" ino=1 res=0 errno=0 [ 1012.205037][ T4940] capability: warning: `syz.1.285' uses deprecated v2 capabilities in a way that may be insecure [ 1014.462837][ T4942] EXT4-fs (vda): re-mounted 34b94c48-234b-4869-b990-1f782e29954a r/w. Quota mode: none. [ 1048.997214][ T35] audit: type=1326 audit(1048.440:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4961 comm="syz.0.295" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1049.068995][ T3360] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1050.102006][ T3360] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1051.685221][ T3360] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1052.893591][ T3360] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1063.471378][ T3360] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1063.743322][ T3360] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1063.892520][ T3360] bond0 (unregistering): Released all slaves [ 1065.241149][ T3360] hsr_slave_0: left promiscuous mode [ 1065.311733][ T3360] hsr_slave_1: left promiscuous mode [ 1065.808049][ T3360] veth1_macvtap: left promiscuous mode [ 1065.811665][ T3360] veth0_macvtap: left promiscuous mode [ 1065.840217][ T3360] veth1_vlan: left promiscuous mode [ 1065.874180][ T3360] veth0_vlan: left promiscuous mode [ 1069.018070][ T35] audit: type=1326 audit(1068.540:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4996 comm="syz.0.299" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1087.051061][ T35] audit: type=1326 audit(1086.540:15): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5019 comm="syz.0.303" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1110.048262][ T35] audit: type=1326 audit(1109.570:16): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5162 comm="syz.0.307" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1112.444657][ T4965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1112.743294][ T4965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1129.089250][ T35] audit: type=1326 audit(1128.560:17): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5267 comm="syz.0.311" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1130.059442][ T4965] hsr_slave_0: entered promiscuous mode [ 1130.134852][ T4965] hsr_slave_1: entered promiscuous mode [ 1142.034249][ T4965] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1142.242157][ T4965] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1142.453436][ T4965] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1142.644219][ T4965] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1150.198441][ T35] audit: type=1326 audit(1149.680:18): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5402 comm="syz.0.315" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xd921a code=0x0 [ 1155.469064][ T4965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1173.662263][ T4965] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1173.664796][ T4965] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1217.351616][ T4965] veth0_vlan: entered promiscuous mode [ 1218.561417][ T4965] veth1_vlan: entered promiscuous mode [ 1221.379124][ T4965] veth0_macvtap: entered promiscuous mode [ 1221.652241][ T4965] veth1_macvtap: entered promiscuous mode [ 1223.971702][ T4965] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1223.973287][ T4965] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1223.974764][ T4965] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1224.016751][ T4965] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1246.125248][ T5524] ================================================================== [ 1246.128282][ T5524] BUG: KASAN: global-out-of-bounds in memcmp+0xc0/0xca [ 1246.135702][ T5524] Read of size 1 at addr ffffffff89077b00 by task syz.0.341/5524 [ 1246.137841][ T5524] [ 1246.139996][ T5524] CPU: 1 PID: 5524 Comm: syz.0.341 Not tainted 6.10.0-rc5-syzkaller-gcc2c169e34b4 #0 [ 1246.144264][ T5524] Hardware name: riscv-virtio,qemu (DT) [ 1246.147314][ T5524] Call Trace: [ 1246.149519][ T5524] [] dump_backtrace+0x2e/0x3c [ 1246.151124][ T5524] [] show_stack+0x34/0x40 [ 1246.153118][ T5524] [] dump_stack_lvl+0x122/0x196 [ 1246.155325][ T5524] [] print_report+0x288/0x596 [ 1246.157917][ T5524] [] kasan_report+0xec/0x118 [ 1246.160061][ T5524] [] __asan_report_load1_noabort+0x12/0x1a [ 1246.161286][ T5524] [] memcmp+0xc0/0xca [ 1246.162342][ T5524] [] __hw_addr_add_ex+0xee/0x676 [ 1246.163586][ T5524] [] dev_mc_add+0xac/0x108 [ 1246.164729][ T5524] [] mrp_init_applicant+0xe8/0x56e [ 1246.166076][ T5524] [] vlan_mvrp_init_applicant+0x26/0x30 [ 1246.167247][ T5524] [] register_vlan_dev+0x1b4/0x922 [ 1246.168475][ T5524] [] vlan_ioctl_handler+0x54e/0x956 [ 1246.169860][ T5524] [] sock_ioctl+0x1f6/0x61a [ 1246.171082][ T5524] [] __riscv_sys_ioctl+0x186/0x1d6 [ 1246.172258][ T5524] [] syscall_handler+0x94/0x118 [ 1246.173328][ T5524] [] do_trap_ecall_u+0x14c/0x214 [ 1246.174437][ T5524] [] ret_from_exception+0x0/0x64 [ 1246.176087][ T5524] [ 1246.176762][ T5524] The buggy address belongs to the variable: [ 1246.177695][ T5524] vlan_mrp_app+0x60/0x3e80 [ 1246.178659][ T5524] [ 1246.179337][ T5524] The buggy address belongs to the physical page: [ 1246.180776][ T5524] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89277 [ 1246.182682][ T5524] flags: 0xffe000000002000(reserved|node=0|zone=0|lastcpupid=0x7ff) [ 1246.185220][ T5524] raw: 0ffe000000002000 ff1c000000249dc8 ff1c000000249dc8 0000000000000000 [ 1246.187434][ T5524] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 1246.188702][ T5524] page dumped because: kasan: bad access detected [ 1246.189986][ T5524] page_owner info is not present (never set?) [ 1246.190966][ T5524] [ 1246.191553][ T5524] Memory state around the buggy address: [ 1246.192813][ T5524] ffffffff89077a00: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 1246.194106][ T5524] ffffffff89077a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1246.195250][ T5524] >ffffffff89077b00: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 1246.196399][ T5524] ^ [ 1246.197485][ T5524] ffffffff89077b80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 1246.198487][ T5524] ffffffff89077c00: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 1246.199492][ T5524] ================================================================== [ 1246.201868][ T5524] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 1246.203005][ T5524] CPU: 1 PID: 5524 Comm: syz.0.341 Not tainted 6.10.0-rc5-syzkaller-gcc2c169e34b4 #0 [ 1246.203949][ T5524] Hardware name: riscv-virtio,qemu (DT) [ 1246.204583][ T5524] Call Trace: [ 1246.205141][ T5524] [] dump_backtrace+0x2e/0x3c [ 1246.206092][ T5524] [] show_stack+0x34/0x40 [ 1246.206997][ T5524] [] dump_stack_lvl+0x108/0x196 [ 1246.207870][ T5524] [] dump_stack+0x1c/0x24 [ 1246.208804][ T5524] [] panic+0x382/0x800 [ 1246.209596][ T5524] [] check_panic_on_warn+0xc0/0xe4 [ 1246.210438][ T5524] [] end_report.part.0+0x4a/0xaa [ 1246.211381][ T5524] [] kasan_report+0x102/0x118 [ 1246.212185][ T5524] [] __asan_report_load1_noabort+0x12/0x1a [ 1246.213281][ T5524] [] memcmp+0xc0/0xca [ 1246.214209][ T5524] [] __hw_addr_add_ex+0xee/0x676 [ 1246.215189][ T5524] [] dev_mc_add+0xac/0x108 [ 1246.216220][ T5524] [] mrp_init_applicant+0xe8/0x56e [ 1246.217335][ T5524] [] vlan_mvrp_init_applicant+0x26/0x30 [ 1246.218247][ T5524] [] register_vlan_dev+0x1b4/0x922 [ 1246.219314][ T5524] [] vlan_ioctl_handler+0x54e/0x956 [ 1246.220297][ T5524] [] sock_ioctl+0x1f6/0x61a [ 1246.221246][ T5524] [] __riscv_sys_ioctl+0x186/0x1d6 [ 1246.222076][ T5524] [] syscall_handler+0x94/0x118 [ 1246.222976][ T5524] [] do_trap_ecall_u+0x14c/0x214 [ 1246.223858][ T5524] [] ret_from_exception+0x0/0x64 [ 1246.224968][ T5524] SMP: stopping secondary CPUs [ 1246.227889][ T5524] Rebooting in 86400 seconds.. VM DIAGNOSIS: 20:23:00 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff80234052 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85cb06b0 vstvec 0000000000000000 mepc ffffffff8001cae8 sepc ffffffff8000dff4 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a047c00000096f94 x0/zero 0000000000000000 x1/ra ffffffff802346d2 x2/sp ff20000000003950 x3/gp ffffffff8925a640 x4/tp ff600000149c4ec0 x5/t0 0000000000000000 x6/t1 0000000000000001 x7/t2 ff600000149c59e0 x8/s0 ff20000000003ab0 x9/s1 0000000000000000 x10/a0 ff600000149c59dc x11/a1 ffffffff8b1c2b40 x12/a2 0000000000010002 x13/a3 0000000000000000 x14/a4 ff600000149c5ec0 x15/a5 0000000000000000 x16/a6 ffffffff814283dc x17/a7 0000000000000001 x18/s2 0000000000000001 x19/s3 0000000000000000 x20/s4 ffffffff8b134c90 x21/s5 1fe4000000000734 x22/s6 0000000000000000 x23/s7 ffffffff814283dc x24/s8 0000000000000000 x25/s9 ffffffff86050708 x26/s10 ffffffff8b1c2b40 x27/s11 ff20000000003a40 x28/t3 ff600000149c4ec8 x29/t4 0000000000000000 x30/t5 1fec0000029389d9 x31/t6 1fec000002938b45 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff85c09ffe mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000022 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85cb06b0 vstvec 0000000000000000 mepc ffffffff81acd338 sepc 00000000000d9216 vsepc 0000000000000000 mcause 8000000000000003 scause 0000000000000008 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a047b000000a8607 x0/zero 0000000000000000 x1/ra ffffffff85c09f86 x2/sp ff20000002ebb190 x3/gp ffffffff8925a640 x4/tp ff600000137eb480 x5/t0 4100000000000000 x6/t1 fffffffef124baec x7/t2 4153414b203a4755 x8/s0 ff20000002ebb1e0 x9/s1 0000000000000018 x10/a0 ffffffff87055450 x11/a1 0000000000000063 x12/a2 0000000000040000 x13/a3 ffffffff85c09f86 x14/a4 0000000000000000 x15/a5 ffe3ffff005d7660 x16/a6 0000000000000003 x17/a7 fffffffff2000000 x18/s2 ff20000002ebb300 x19/s3 ffffffff87055420 x20/s4 0000000000000037 x21/s5 0000000000000037 x22/s6 0000000000000063 x23/s7 ff20000002ebb360 x24/s8 ffffffff87055324 x25/s9 0000000000000010 x26/s10 0000000000000008 x27/s11 0000000000000001 x28/t3 1fe40000005d76f4 x29/t4 fffffffef124baec x30/t5 fffffffef124baed x31/t6 ff20000002ebb608 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000