[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 135.922712][ T8444] sshd (8444) used greatest stack depth: 3904 bytes left Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. 2020/07/18 09:44:24 fuzzer started 2020/07/18 09:44:25 dialing manager at 10.128.0.26:41463 2020/07/18 09:44:25 syscalls: 2944 2020/07/18 09:44:25 code coverage: enabled 2020/07/18 09:44:25 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2020/07/18 09:44:25 extra coverage: enabled 2020/07/18 09:44:25 setuid sandbox: enabled 2020/07/18 09:44:25 namespace sandbox: enabled 2020/07/18 09:44:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/07/18 09:44:25 fault injection: enabled 2020/07/18 09:44:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/07/18 09:44:25 net packet injection: enabled 2020/07/18 09:44:25 net device setup: enabled 2020/07/18 09:44:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/07/18 09:44:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/07/18 09:44:25 USB emulation: /dev/raw-gadget does not exist 09:48:34 executing program 0: unshare(0x400) pipe(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) bpf$BPF_MAP_FREEZE(0x16, &(0x7f0000000180)=r0, 0x4) [ 396.608968][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 396.880410][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 397.199268][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 397.207421][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 397.216863][ T8487] device bridge_slave_0 entered promiscuous mode [ 397.260150][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 397.268523][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 397.278022][ T8487] device bridge_slave_1 entered promiscuous mode [ 397.328334][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 397.345393][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 397.398251][ T8487] team0: Port device team_slave_0 added [ 397.410453][ T8487] team0: Port device team_slave_1 added [ 397.457105][ T8487] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 397.465637][ T8487] 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. [ 397.491810][ T8487] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 397.507755][ T8487] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 397.514951][ T8487] 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. [ 397.541404][ T8487] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 397.637230][ T8487] device hsr_slave_0 entered promiscuous mode [ 397.882409][ T8487] device hsr_slave_1 entered promiscuous mode [ 398.348943][ T8487] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 398.389602][ T8487] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 398.429822][ T8487] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 398.492523][ T8487] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 398.715328][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 398.758536][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 398.767844][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 398.787158][ T8487] 8021q: adding VLAN 0 to HW filter on device team0 [ 398.812443][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 398.823746][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 398.833307][ T31] bridge0: port 1(bridge_slave_0) entered blocking state [ 398.840502][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state [ 398.849519][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 398.859547][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 398.869149][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 398.876509][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 398.940199][ T8487] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 398.951353][ T8487] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 398.969607][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 398.979397][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 398.990192][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 399.001024][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 399.011784][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 399.022190][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 399.033062][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 399.043394][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 399.053161][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 399.063550][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 399.073284][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 399.131813][ T8487] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 399.234452][ T8487] device veth0_vlan entered promiscuous mode [ 399.252773][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 399.263796][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 399.274031][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 399.285504][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 399.294801][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 399.304549][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 399.313657][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 399.321417][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 399.358283][ T8487] device veth1_vlan entered promiscuous mode [ 399.439494][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 399.450468][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 399.468515][ T8487] device veth0_macvtap entered promiscuous mode [ 399.486673][ T8487] device veth1_macvtap entered promiscuous mode [ 399.535868][ T8487] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 399.544561][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 399.554697][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 399.564264][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 399.574253][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 399.596203][ T8487] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 399.619451][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 399.629996][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 09:48:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet(0x2, 0x3, 0x5) setsockopt$inet_msfilter(r1, 0x0, 0x8, &(0x7f00000000c0)=ANY=[@ANYBLOB="c6"], 0x1) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000080)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote, r2}, 0x14) r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r3, 0x0, 0x8, &(0x7f0000000380)=ANY=[@ANYBLOB='q'], 0x1) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000000)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000040)={@remote, r4}, 0x14) 09:48:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet(0x2, 0x3, 0x5) setsockopt$inet_msfilter(r1, 0x0, 0x8, &(0x7f00000000c0)=ANY=[@ANYBLOB="c6"], 0x1) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000080)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote, r2}, 0x14) r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r3, 0x0, 0x8, &(0x7f0000000380)=ANY=[@ANYBLOB='q'], 0x1) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000000)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000040)={@remote, r4}, 0x14) 09:48:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet(0x2, 0x3, 0x5) setsockopt$inet_msfilter(r1, 0x0, 0x8, &(0x7f00000000c0)=ANY=[@ANYBLOB="c6"], 0x1) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000080)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote, r2}, 0x14) r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r3, 0x0, 0x8, &(0x7f0000000380)=ANY=[@ANYBLOB='q'], 0x1) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000000)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000040)={@remote, r4}, 0x14) 09:48:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet(0x2, 0x3, 0x5) setsockopt$inet_msfilter(r1, 0x0, 0x8, &(0x7f00000000c0)=ANY=[@ANYBLOB="c6"], 0x1) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000080)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000080)={@remote, r2}, 0x14) r3 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r3, 0x0, 0x8, &(0x7f0000000380)=ANY=[@ANYBLOB='q'], 0x1) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000040)={0x0, @local, @local}, &(0x7f0000000000)=0xc) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000040)={@remote, r4}, 0x14) 09:48:38 executing program 0: r0 = socket(0x10, 0x803, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_GET(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f0000000100), 0xc, &(0x7f00000005c0)={0x0, 0x58}}, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(0xffffffffffffffff, &(0x7f0000000980)={&(0x7f0000000a00)={0x10, 0x0, 0x0, 0x2}, 0xc, 0x0}, 0x0) sendto(r0, &(0x7f0000cfefee)="120000001200e7ef007b00000000000000a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000005cc0)=[{{0x0, 0x0, &(0x7f0000000540)=[{&(0x7f00000002c0)=""/140, 0x8c}, {&(0x7f0000000bc0)=""/8, 0x8}], 0x2}}, {{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000700)=""/24, 0x18}, {&(0x7f0000000c00)=""/166, 0xa6}], 0x2}}, {{0x0, 0x0, &(0x7f0000000940)=[{&(0x7f0000000880)=""/91, 0x5b}], 0x1}}], 0x3, 0x0, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000b40)={{&(0x7f0000000ac0)=""/105, 0x69}, 0x0}, 0x20) sendmsg$IPCTNL_MSG_EXP_GET(0xffffffffffffffff, &(0x7f0000000a80)={&(0x7f0000000280), 0xc, &(0x7f0000000a40)={0x0, 0x1a4}}, 0x0) recvmmsg(r0, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x374, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x14b}, {&(0x7f0000000140)=""/85, 0x20a}, {&(0x7f0000000fc0)=""/4096, 0xf2}, {&(0x7f0000000400)=""/106, 0x2ce}, {&(0x7f0000000740)=""/73, 0x3dd}, {&(0x7f0000000200)=""/77, 0x4d}, {&(0x7f00000007c0)=""/154, 0x40d}, {&(0x7f0000000000)=""/22, 0xa}], 0x81, &(0x7f0000000600)=""/191, 0x41}}], 0x4000000000003b4, 0x0, &(0x7f0000003700)={0x77359400}) 09:48:38 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/ipv6_route\x00') read(r0, &(0x7f0000000000)=""/63, 0x3f) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000001000)={0x26, 'hash\x00', 0x0, 0x0, 'tgr192\x00'}, 0x58) socket$inet6_udplite(0xa, 0x2, 0x88) r2 = accept4$alg(r1, 0x0, 0x0, 0x0) r3 = socket$inet_tcp(0x2, 0x1, 0x0) fcntl$dupfd(r3, 0x0, r3) sendmsg$sock(r3, 0x0, 0x0) r4 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000600)='/proc/capi/capi20\x00', 0x20480, 0x0) ioctl$VIDIOC_TRY_DECODER_CMD(r4, 0xc0485661, &(0x7f0000000640)={0x3, 0x2, @start={0x4}}) r5 = syz_open_dev$tty1(0xc, 0x4, 0x1) r6 = syz_open_dev$usbmon(&(0x7f0000000380)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$MON_IOCX_MFETCH(r6, 0xc0109207, &(0x7f00000000c0)={0x0}) ioctl$MON_IOCH_MFLUSH(r6, 0x9208, 0x0) ioctl$MON_IOCH_MFLUSH(r6, 0x9208, 0x0) writev(r6, &(0x7f00000005c0)=[{&(0x7f0000000040)="b78194cc5ace602f096d07ff00cd66299667b70536342623b372d82fefa01f9a2d83297f99b4e597f4e9fad324868e83f474d0c35449712f00c51b3e", 0x3c}], 0x1) ioctl$KDFONTOP_COPY(r5, 0x4b72, &(0x7f0000000ac0)={0x3, 0x1, 0x14, 0x10, 0x1ff, &(0x7f00000006c0)}) sendfile(r2, r0, 0x0, 0x8cb3) [ 400.836716][ T8719] ===================================================== [ 400.843703][ T8719] BUG: KMSAN: uninit-value in tgr192_pass+0x1a25/0x1ee0 [ 400.850649][ T8719] CPU: 0 PID: 8719 Comm: syz-executor.0 Not tainted 5.8.0-rc5-syzkaller #0 [ 400.859234][ T8719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.869291][ T8719] Call Trace: [ 400.872600][ T8719] dump_stack+0x1df/0x240 [ 400.876954][ T8719] kmsan_report+0xf7/0x1e0 [ 400.881394][ T8719] __msan_warning+0x58/0xa0 [ 400.885911][ T8719] tgr192_pass+0x1a25/0x1ee0 [ 400.890527][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 400.895658][ T8719] ? kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 400.901852][ T8719] tgr192_transform+0x248/0x1080 [ 400.906827][ T8719] ? is_module_text_address+0x4d/0x2a0 [ 400.912310][ T8719] ? kmsan_get_metadata+0x11d/0x180 [ 400.917522][ T8719] ? kmsan_get_metadata+0x11d/0x180 [ 400.922758][ T8719] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 400.928582][ T8719] tgr192_update+0x663/0xb00 [ 400.933202][ T8719] ? tgr192_init+0x150/0x150 [ 400.937804][ T8719] crypto_shash_update+0x4e9/0x550 [ 400.942925][ T8719] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 400.949150][ T8719] ? crypto_hash_walk_first+0x1fd/0x360 [ 400.954720][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 400.959853][ T8719] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 400.965685][ T8719] shash_async_update+0x113/0x1d0 [ 400.970768][ T8719] ? shash_async_init+0x1e0/0x1e0 [ 400.975806][ T8719] hash_sendpage+0x8ef/0xdf0 [ 400.980432][ T8719] ? hash_recvmsg+0xd30/0xd30 [ 400.985132][ T8719] sock_sendpage+0x1e1/0x2c0 [ 400.989761][ T8719] pipe_to_sendpage+0x38c/0x4c0 [ 400.994632][ T8719] ? sock_fasync+0x250/0x250 [ 400.999352][ T8719] __splice_from_pipe+0x565/0xf00 [ 401.004403][ T8719] ? generic_splice_sendpage+0x2d0/0x2d0 [ 401.010088][ T8719] generic_splice_sendpage+0x1d5/0x2d0 [ 401.015579][ T8719] ? iter_file_splice_write+0x1800/0x1800 [ 401.021316][ T8719] direct_splice_actor+0x1fd/0x580 [ 401.026464][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.031601][ T8719] splice_direct_to_actor+0x6b2/0xf50 [ 401.036980][ T8719] ? do_splice_direct+0x580/0x580 [ 401.042070][ T8719] do_splice_direct+0x342/0x580 [ 401.046962][ T8719] do_sendfile+0x101b/0x1d40 [ 401.051618][ T8719] __se_sys_sendfile64+0x2bb/0x360 [ 401.056747][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.061888][ T8719] __x64_sys_sendfile64+0x56/0x70 [ 401.066928][ T8719] do_syscall_64+0xb0/0x150 [ 401.071448][ T8719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.077346][ T8719] RIP: 0033:0x45c1d9 [ 401.081234][ T8719] Code: Bad RIP value. [ 401.085304][ T8719] RSP: 002b:00007f0e5bda9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 401.093730][ T8719] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 401.101708][ T8719] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000006 [ 401.109681][ T8719] RBP: 000000000078c128 R08: 0000000000000000 R09: 0000000000000000 [ 401.117657][ T8719] R10: 0000000000008cb3 R11: 0000000000000246 R12: 000000000078c0ec [ 401.125631][ T8719] R13: 0000000000c9fb6f R14: 00007f0e5bdaa9c0 R15: 000000000078c0ec [ 401.133644][ T8719] [ 401.135972][ T8719] Uninit was stored to memory at: [ 401.141019][ T8719] kmsan_internal_chain_origin+0xad/0x130 [ 401.146760][ T8719] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 401.152742][ T8719] kmsan_memcpy_metadata+0xb/0x10 [ 401.157767][ T8719] __msan_memcpy+0x43/0x50 [ 401.162191][ T8719] tgr192_transform+0xc5/0x1080 [ 401.167055][ T8719] tgr192_update+0x663/0xb00 [ 401.171994][ T8719] crypto_shash_update+0x4e9/0x550 [ 401.177132][ T8719] shash_async_update+0x113/0x1d0 [ 401.182159][ T8719] hash_sendpage+0x8ef/0xdf0 [ 401.186755][ T8719] sock_sendpage+0x1e1/0x2c0 [ 401.191365][ T8719] pipe_to_sendpage+0x38c/0x4c0 [ 401.196216][ T8719] __splice_from_pipe+0x565/0xf00 [ 401.201244][ T8719] generic_splice_sendpage+0x1d5/0x2d0 [ 401.206705][ T8719] direct_splice_actor+0x1fd/0x580 [ 401.211820][ T8719] splice_direct_to_actor+0x6b2/0xf50 [ 401.217196][ T8719] do_splice_direct+0x342/0x580 [ 401.222051][ T8719] do_sendfile+0x101b/0x1d40 [ 401.226644][ T8719] __se_sys_sendfile64+0x2bb/0x360 [ 401.231758][ T8719] __x64_sys_sendfile64+0x56/0x70 [ 401.236788][ T8719] do_syscall_64+0xb0/0x150 [ 401.241300][ T8719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.247180][ T8719] [ 401.249506][ T8719] Uninit was created at: [ 401.253756][ T8719] kmsan_save_stack_with_flags+0x3c/0x90 [ 401.259390][ T8719] kmsan_alloc_page+0xb9/0x180 [ 401.264162][ T8719] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 401.269710][ T8719] alloc_pages_current+0x672/0x990 [ 401.274840][ T8719] push_pipe+0x605/0xb70 [ 401.279089][ T8719] iov_iter_get_pages_alloc+0x18a9/0x21c0 [ 401.284824][ T8719] do_splice_to+0x4fc/0x14f0 [ 401.289416][ T8719] splice_direct_to_actor+0x45c/0xf50 [ 401.294792][ T8719] do_splice_direct+0x342/0x580 [ 401.299649][ T8719] do_sendfile+0x101b/0x1d40 [ 401.304243][ T8719] __se_sys_sendfile64+0x2bb/0x360 [ 401.309444][ T8719] __x64_sys_sendfile64+0x56/0x70 [ 401.314475][ T8719] do_syscall_64+0xb0/0x150 [ 401.319247][ T8719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.325133][ T8719] ===================================================== [ 401.332492][ T8719] Disabling lock debugging due to kernel taint [ 401.338645][ T8719] Kernel panic - not syncing: panic_on_warn set ... [ 401.345242][ T8719] CPU: 0 PID: 8719 Comm: syz-executor.0 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 401.355222][ T8719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.365302][ T8719] Call Trace: [ 401.368616][ T8719] dump_stack+0x1df/0x240 [ 401.372964][ T8719] panic+0x3d5/0xc3e [ 401.376922][ T8719] kmsan_report+0x1df/0x1e0 [ 401.381707][ T8719] __msan_warning+0x58/0xa0 [ 401.386226][ T8719] tgr192_pass+0x1a25/0x1ee0 [ 401.390841][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.395968][ T8719] ? kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 401.402159][ T8719] tgr192_transform+0x248/0x1080 [ 401.407119][ T8719] ? is_module_text_address+0x4d/0x2a0 [ 401.412597][ T8719] ? kmsan_get_metadata+0x11d/0x180 [ 401.417804][ T8719] ? kmsan_get_metadata+0x11d/0x180 [ 401.423040][ T8719] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 401.428863][ T8719] tgr192_update+0x663/0xb00 [ 401.433492][ T8719] ? tgr192_init+0x150/0x150 [ 401.438090][ T8719] crypto_shash_update+0x4e9/0x550 [ 401.443223][ T8719] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 401.449412][ T8719] ? crypto_hash_walk_first+0x1fd/0x360 [ 401.454967][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.460095][ T8719] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 401.465914][ T8719] shash_async_update+0x113/0x1d0 [ 401.470967][ T8719] ? shash_async_init+0x1e0/0x1e0 [ 401.476023][ T8719] hash_sendpage+0x8ef/0xdf0 [ 401.480641][ T8719] ? hash_recvmsg+0xd30/0xd30 [ 401.485331][ T8719] sock_sendpage+0x1e1/0x2c0 [ 401.489946][ T8719] pipe_to_sendpage+0x38c/0x4c0 [ 401.494808][ T8719] ? sock_fasync+0x250/0x250 [ 401.499426][ T8719] __splice_from_pipe+0x565/0xf00 [ 401.504464][ T8719] ? generic_splice_sendpage+0x2d0/0x2d0 [ 401.511185][ T8719] generic_splice_sendpage+0x1d5/0x2d0 [ 401.516671][ T8719] ? iter_file_splice_write+0x1800/0x1800 [ 401.522491][ T8719] direct_splice_actor+0x1fd/0x580 [ 401.527624][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.532759][ T8719] splice_direct_to_actor+0x6b2/0xf50 [ 401.538141][ T8719] ? do_splice_direct+0x580/0x580 [ 401.543214][ T8719] do_splice_direct+0x342/0x580 [ 401.548105][ T8719] do_sendfile+0x101b/0x1d40 [ 401.552744][ T8719] __se_sys_sendfile64+0x2bb/0x360 [ 401.557881][ T8719] ? kmsan_get_metadata+0x4f/0x180 [ 401.563018][ T8719] __x64_sys_sendfile64+0x56/0x70 [ 401.568060][ T8719] do_syscall_64+0xb0/0x150 [ 401.572578][ T8719] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 401.578474][ T8719] RIP: 0033:0x45c1d9 [ 401.582392][ T8719] Code: Bad RIP value. [ 401.586461][ T8719] RSP: 002b:00007f0e5bda9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 401.594895][ T8719] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 401.602869][ T8719] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000006 [ 401.610845][ T8719] RBP: 000000000078c128 R08: 0000000000000000 R09: 0000000000000000 [ 401.618858][ T8719] R10: 0000000000008cb3 R11: 0000000000000246 R12: 000000000078c0ec [ 401.626837][ T8719] R13: 0000000000c9fb6f R14: 00007f0e5bdaa9c0 R15: 000000000078c0ec [ 401.635918][ T8719] Kernel Offset: 0xc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 401.647374][ T8719] Rebooting in 86400 seconds..