last executing test programs: 10.725665292s ago: executing program 1: r0 = socket$kcm(0x2, 0x922000000001, 0x106) unshare(0x20000400) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='cgroup.controllers\x00', 0x26e1, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0x46, &(0x7f00000002c0)=r1, 0x4) 10.620615921s ago: executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000500), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_802154(r0, 0x8933, &(0x7f0000000bc0)={'wpan1\x00', 0x0}) sendmsg$NL802154_CMD_NEW_SEC_DEVKEY(r0, &(0x7f0000001000)={0x0, 0x0, &(0x7f0000000fc0)={&(0x7f00000000c0)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NL802154_ATTR_IFINDEX={0x8, 0x3, r2}, @NL802154_ATTR_SEC_DEVKEY={0x34, 0x2f, 0x0, 0x1, [@NL802154_DEVKEY_ATTR_EXTENDED_ADDR={0xc}, @NL802154_DEVKEY_ATTR_ID={0x1c, 0x3, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x2}, @NL802154_KEY_ID_ATTR_INDEX={0x5}, @NL802154_KEY_ID_ATTR_SOURCE_SHORT={0x8}]}, @NL802154_DEVKEY_ATTR_FRAME_COUNTER={0x8}]}]}, 0x50}}, 0x0) 7.617293941s ago: executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$TIPC_NL_BEARER_ENABLE(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000200)={0x34, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x20, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0x10, 0x1, @l2={'eth', 0x3a, 'macsec0\x00'}}, @TIPC_NLA_BEARER_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x28}]}]}]}, 0x34}}, 0x0) 5.340502118s ago: executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb7, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x74}, [@ldst={0x4}]}, &(0x7f00000002c0)='GPL\x00', 0x5, 0xfd90, &(0x7f0000000300)=""/188, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1f3, 0x10, &(0x7f0000000080), 0xfffffffffffffc79}, 0x2a) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000003c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_FRAME(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000100)=ANY=[@ANYBLOB="98030000", @ANYRES16=r1, @ANYBLOB="010028057000fcdbdf253b00000008000300", @ANYRES32=r2, @ANYBLOB="04008e00080057001b0a000004006c000500190107000000080026006c0900005603330080b0c000ffffffffffff"], 0x398}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x0) 3.763806164s ago: executing program 1: socket$inet6(0xa, 0x2, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f0000000100)=0x80) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0x40305829, &(0x7f00000000c0)={0x17c04, 0xffffffffffffffff, 0x8, 0x100000001}) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) close(r0) ioctl$SIOCSIFHWADDR(r0, 0x8922, &(0x7f0000000040)={'syz_tun\x00', @random="010100004ec6"}) 364.169µs ago: executing program 0: r0 = syz_io_uring_setup(0x16eb, &(0x7f0000000380)={0x0, 0x0, 0x13290}, &(0x7f0000000100), &(0x7f0000000000)) io_uring_enter(r0, 0x0, 0x45d0, 0x1, 0x0, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) 0s ago: executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x28}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507000000000400000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000001c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000013c0)=ANY=[@ANYBLOB="640000001000030400"/20, @ANYRES32=0x0, @ANYBLOB="e5fda988000000002800128009000100766c616e00000000180002800c0002001c0000001f000000060001000000000008000500", @ANYRES32=r5, @ANYBLOB='\b\x00\n\x00', @ANYRES32, @ANYBLOB="0a000100000070"], 0x64}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:3756' (ED25519) to the list of known hosts. 1970/01/01 00:08:02 fuzzer started 1970/01/01 00:08:10 dialing manager at localhost:30008 syzkaller login: [ 500.982673][ T3075] cgroup: Unknown subsys name 'net' [ 502.461433][ T3075] cgroup: Unknown subsys name 'rlimit' [ 558.345260][ T3072] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:09:17 starting 2 executor processes [ 597.628687][ T3164] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 597.808802][ T3164] ================================================================== [ 597.812694][ T3164] BUG: KASAN: global-out-of-bounds in memcmp+0xc0/0xca [ 597.816934][ T3164] Read of size 1 at addr ffffffff8905f080 by task syz-executor.1/3164 [ 597.822090][ T3164] [ 597.823776][ T3164] CPU: 0 PID: 3164 Comm: syz-executor.1 Not tainted 6.10.0-rc1-syzkaller-g7932b172ac7e #0 [ 597.825749][ T3164] Hardware name: riscv-virtio,qemu (DT) [ 597.827191][ T3164] Call Trace: [ 597.828287][ T3164] [] dump_backtrace+0x2e/0x3c [ 597.829892][ T3164] [] show_stack+0x34/0x40 [ 597.831558][ T3164] [] dump_stack_lvl+0x122/0x196 [ 597.833146][ T3164] [] print_report+0x288/0x596 [ 597.835065][ T3164] [] kasan_report+0xec/0x118 [ 597.836582][ T3164] [] __asan_report_load1_noabort+0x12/0x1a [ 597.838092][ T3164] [] memcmp+0xc0/0xca [ 597.839308][ T3164] [] __hw_addr_add_ex+0xee/0x676 [ 597.840848][ T3164] [] dev_mc_add+0xac/0x108 [ 597.842392][ T3164] [] mrp_init_applicant+0xe8/0x56e [ 597.843978][ T3164] [] vlan_mvrp_init_applicant+0x26/0x30 [ 597.845542][ T3164] [] register_vlan_dev+0x1b4/0x922 [ 597.846979][ T3164] [] vlan_newlink+0x3d2/0x5fc [ 597.849105][ T3164] [] __rtnl_newlink+0xfe4/0x1770 [ 597.850561][ T3164] [] rtnl_newlink+0x6c/0xa2 [ 597.851962][ T3164] [] rtnetlink_rcv_msg+0x428/0xd78 [ 597.853793][ T3164] [] netlink_rcv_skb+0x216/0x3dc [ 597.855593][ T3164] [] rtnetlink_rcv+0x26/0x30 [ 597.856996][ T3164] [] netlink_unicast+0x508/0x862 [ 597.858493][ T3164] [] netlink_sendmsg+0x864/0xdc2 [ 597.860002][ T3164] [] __sock_sendmsg+0xcc/0x162 [ 597.861547][ T3164] [] ____sys_sendmsg+0x5ce/0x79e [ 597.862913][ T3164] [] ___sys_sendmsg+0x144/0x1e6 [ 597.864479][ T3164] [] __sys_sendmsg+0x130/0x1f0 [ 597.865861][ T3164] [] __riscv_sys_sendmsg+0x70/0xa2 [ 597.867268][ T3164] [] syscall_handler+0x94/0x118 [ 597.868732][ T3164] [] do_trap_ecall_u+0x14c/0x214 [ 597.870210][ T3164] [] ret_from_exception+0x0/0x64 [ 597.872176][ T3164] [ 597.873302][ T3164] The buggy address belongs to the variable: [ 597.874362][ T3164] vlan_mrp_app+0x60/0x3e80 [ 597.875757][ T3164] [ 597.876610][ T3164] The buggy address belongs to the physical page: [ 597.879265][ T3164] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8925f [ 597.881046][ T3164] flags: 0xffe000000002000(reserved|node=0|zone=0|lastcpupid=0x7ff) [ 597.884710][ T3164] raw: 0ffe000000002000 ff1c0000002497c8 ff1c0000002497c8 0000000000000000 [ 597.886584][ T3164] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 597.888166][ T3164] page dumped because: kasan: bad access detected [ 597.889818][ T3164] page_owner info is not present (never set?) [ 597.891056][ T3164] [ 597.891919][ T3164] Memory state around the buggy address: [ 597.894391][ T3164] ffffffff8905ef80: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 597.895931][ T3164] ffffffff8905f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 597.898328][ T3164] >ffffffff8905f080: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 597.899782][ T3164] ^ [ 597.900838][ T3164] ffffffff8905f100: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 597.902200][ T3164] ffffffff8905f180: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 [ 597.904709][ T3164] ================================================================== [ 597.908685][ T3164] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 597.910666][ T3164] CPU: 0 PID: 3164 Comm: syz-executor.1 Not tainted 6.10.0-rc1-syzkaller-g7932b172ac7e #0 [ 597.913329][ T3164] Hardware name: riscv-virtio,qemu (DT) [ 597.914508][ T3164] Call Trace: [ 597.915420][ T3164] [] dump_backtrace+0x2e/0x3c [ 597.917066][ T3164] [] show_stack+0x34/0x40 [ 597.918643][ T3164] [] dump_stack_lvl+0x108/0x196 [ 597.920684][ T3164] [] dump_stack+0x1c/0x24 [ 597.922985][ T3164] [] panic+0x382/0x800 [ 597.924669][ T3164] [] check_panic_on_warn+0xc0/0xe4 [ 597.926252][ T3164] [] end_report.part.0+0x4a/0xaa [ 597.927785][ T3164] [] kasan_report+0x102/0x118 [ 597.929283][ T3164] [] __asan_report_load1_noabort+0x12/0x1a [ 597.930851][ T3164] [] memcmp+0xc0/0xca [ 597.932837][ T3164] [] __hw_addr_add_ex+0xee/0x676 [ 597.934544][ T3164] [] dev_mc_add+0xac/0x108 [ 597.936063][ T3164] [] mrp_init_applicant+0xe8/0x56e [ 597.937645][ T3164] [] vlan_mvrp_init_applicant+0x26/0x30 [ 597.939326][ T3164] [] register_vlan_dev+0x1b4/0x922 [ 597.941091][ T3164] [] vlan_newlink+0x3d2/0x5fc [ 597.942834][ T3164] [] __rtnl_newlink+0xfe4/0x1770 [ 597.944323][ T3164] [] rtnl_newlink+0x6c/0xa2 [ 597.945763][ T3164] [] rtnetlink_rcv_msg+0x428/0xd78 [ 597.947969][ T3164] [] netlink_rcv_skb+0x216/0x3dc [ 597.949594][ T3164] [] rtnetlink_rcv+0x26/0x30 [ 597.951738][ T3164] [] netlink_unicast+0x508/0x862 [ 597.953261][ T3164] [] netlink_sendmsg+0x864/0xdc2 [ 597.954737][ T3164] [] __sock_sendmsg+0xcc/0x162 [ 597.956218][ T3164] [] ____sys_sendmsg+0x5ce/0x79e [ 597.957626][ T3164] [] ___sys_sendmsg+0x144/0x1e6 [ 597.959091][ T3164] [] __sys_sendmsg+0x130/0x1f0 [ 597.961077][ T3164] [] __riscv_sys_sendmsg+0x70/0xa2 [ 597.962657][ T3164] [] syscall_handler+0x94/0x118 [ 597.964242][ T3164] [] do_trap_ecall_u+0x14c/0x214 [ 597.965728][ T3164] [] ret_from_exception+0x0/0x64 [ 597.967602][ T3164] SMP: stopping secondary CPUs [ 597.970705][ T3164] Rebooting in 86400 seconds.. VM DIAGNOSIS: 01:38:32 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff85c13466 mhartid 0000000000000000 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca8658 vstvec 0000000000000000 mepc ffffffff8001c7f2 sepc ffffffff8091ed12 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a017600000095dd9 x0/zero 0000000000000000 x1/ra ffffffff85c13466 x2/sp ff200000078ea740 x3/gp ffffffff89241aa0 x4/tp ff60000017ee3480 x5/t0 4100000000000000 x6/t1 fffffffef1248978 x7/t2 4153414b203a4755 x8/s0 ff200000078ea870 x9/s1 ff200000078ea800 x10/a0 ff200000078eaac9 x11/a1 0000000000000000 x12/a2 0000000000040000 x13/a3 ffffffff85c0306c x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 fffffffff2000000 x18/s2 0000000000001000 x19/s3 ff200000078eaab9 x20/s4 1fe4000000f1d4ec x21/s5 ff200000078eaaa8 x22/s6 ffffffff8905f080 x23/s7 0000000000000030 x24/s8 0000000000000078 x25/s9 0000000000000005 x26/s10 0000000000000008 x27/s11 0000000000000007 x28/t3 1fe4000000f1d588 x29/t4 fffffffef1248978 x30/t5 fffffffef1248979 x31/t6 ff200000078eaaa8 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 ffffffff8023271c mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca8658 vstvec 0000000000000000 mepc ffffffff842493e4 sepc ffffffff801cfc5a vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a015f000000a893d x0/zero 0000000000000000 x1/ra ffffffff801a67ee x2/sp ff2000000000b890 x3/gp ffffffff89241aa0 x4/tp ff6000000ce80000 x5/t0 ff6000007ab71680 x6/t1 ff6000000ce80b70 x7/t2 0000000000000030 x8/s0 ff2000000000b990 x9/s1 ff60000018e78000 x10/a0 ff60000014c8b5e0 x11/a1 ff60000018e78000 x12/a2 0000000000000000 x13/a3 1fec0000029916b1 x14/a4 ff60000014c8b608 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000000 x18/s2 1fec0000029916c3 x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 000000000000121c x23/s7 0000000000000f5b x24/s8 0000000000000004 x25/s9 0000000000000004 x26/s10 ff60000014c8b61c x27/s11 1fec0000029916c3 x28/t3 bc87d849b14fa428 x29/t4 1fec0000019d0160 x30/t5 ffffffff8933fd80 x31/t6 1fec0000019d0172 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