last executing test programs: 19m3.351787529s ago: executing program 1 (id=86): setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000040)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x275a, 0x0) write$cgroup_subtree(r0, &(0x7f0000000000)=ANY=[], 0x32600) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2000001, 0x12, r0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000040)=0x1b3a, 0x4) 18m59.517989823s ago: executing program 1 (id=87): r0 = syz_open_dev$dri(&(0x7f00000008c0), 0xd21, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r0, 0xc04064a0, &(0x7f00000001c0)={0x0, &(0x7f00000000c0)=[0x0], 0x0, 0x0, 0x0, 0x1}) ioctl$DRM_IOCTL_MODE_GETCRTC(r0, 0xc06864a1, &(0x7f00000003c0)={0x0, 0x0, r1, 0x0}) ioctl$DRM_IOCTL_MODE_GETFB2(r0, 0xc06864ce, &(0x7f0000000440)={r2, 0x0, 0x0, 0x0, 0x0, [0x0]}) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(r0, 0xc00c642d, &(0x7f0000000240)={r3, 0x0, 0xffffffffffffffff}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000300)={0x0, 0x0, r4}) 18m56.397027081s ago: executing program 1 (id=89): r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f00000000c0)={0x73622a85, 0x110b, 0x8000000000002}) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x1, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000400)=[@increfs], 0x0, 0x0, 0x0}) dup3(r1, r0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0x10, 0x0, &(0x7f0000000100)=[@clear_death={0x400c630f, 0x3}], 0x0, 0x0, 0x0}) 18m52.867966659s ago: executing program 1 (id=91): mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x1e) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f00000001c0)='./file0/../file0\x00', 0x0, 0x101091, 0x0) mount$bind(0x0, &(0x7f0000000300)='./file0/../file0\x00', 0x0, 0x20000, 0x0) mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0\x00', 0x0, 0x101091, 0x0) mount$bind(&(0x7f0000000080)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x2081c80, 0x0) open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) 18m49.28446789s ago: executing program 1 (id=93): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000000)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) prctl$PR_GET_SPECULATION_CTRL(0x23, 0x4, 0xc) r0 = syz_open_dev$sndctrl(&(0x7f0000000040), 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r0, 0xc4c85512, &(0x7f0000000540)={{0x3, 0x0, 0x0, 0x0, 'syz1\x00'}, 0x0, [0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x65, 0x0, 0xffffffffffff47c7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x63ca8286, 0x0, 0x4000000000000000, 0x0, 0x0, 0x0, 0x0, 0x10001, 0xfffffbfffffffffc, 0x10006, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0xa9d5, 0x0, 0x0, 0x5, 0x0, 0x0, 0xf, 0x0, 0x0, 0xfeb7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x1000, 0xfffffffffffffff9, 0x0, 0x0, 0x0, 0x1002, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x80000001, 0x73fb, 0x0, 0x0, 0x0, 0x2, 0xb7a5, 0xff, 0x3, 0xfffffffffffffffc]}) r1 = memfd_secret(0x0) linkat(r1, 0x0, 0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x1400) 18m47.476577322s ago: executing program 1 (id=94): mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000042c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000000140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {}, 0x2c, {}, 0x2c, {[{@default_permissions}]}}) read$FUSE(r0, &(0x7f0000006300)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_WRITE(r0, &(0x7f0000000080)={0x18, 0x0, r1, {0x7}}, 0x18) statx(0xffffffffffffff9c, &(0x7f0000000380)='./file0/file0\x00', 0x0, 0x0, 0x0) 18m38.965680262s ago: executing program 32 (id=94): mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000042c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000000140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {}, 0x2c, {}, 0x2c, {[{@default_permissions}]}}) read$FUSE(r0, &(0x7f0000006300)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_WRITE(r0, &(0x7f0000000080)={0x18, 0x0, r1, {0x7}}, 0x18) statx(0xffffffffffffff9c, &(0x7f0000000380)='./file0/file0\x00', 0x0, 0x0, 0x0) 36.573361189s ago: executing program 0 (id=397): r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r0, 0x4010640d, &(0x7f0000000000)={0x3, 0x2}) ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(r0, 0xc01064b5, &(0x7f0000000140)={&(0x7f0000000100)=[0x0], 0x1}) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r0, 0xc02064b9, &(0x7f0000000dc0)={&(0x7f0000000240)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000200), 0x4, r1}) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r0, 0xc04064a0, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000002c0)=[0x0], 0x0, 0x0, 0x0, 0x1}) ioctl$DRM_IOCTL_MODE_ATOMIC(r0, 0xc03864bc, &(0x7f0000000500)={0x200, 0x1, &(0x7f0000000180)=[r3], &(0x7f0000000200), &(0x7f0000000580)=[r2], &(0x7f0000000040)}) 31.965963797s ago: executing program 0 (id=399): r0 = socket$inet6(0xa, 0x400000000001, 0x0) bind$inet6(r0, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x4, @loopback}, 0x1c) sendto$inet6(r0, 0x0, 0xffffffac, 0x20000008, &(0x7f00000001c0)={0xa, 0x4e20, 0x0, @empty}, 0x1c) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x41, &(0x7f0000000180)=0x80000039f8, 0x4) sendmmsg$inet6(r0, &(0x7f0000002600)=[{{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000140)="a132", 0x2}], 0x1}}], 0x1, 0x1) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f00000003c0)={&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, &(0x7f0000000280)=""/225, 0xe1, 0x0, 0x0}, &(0x7f0000000400)=0x40) 28.354649984s ago: executing program 2 (id=400): socket$packet(0x11, 0x3, 0x300) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x40241, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller1\x00', 0xc201}) r1 = socket$kcm(0x2, 0xa, 0x2) ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000180)={'syzkaller1\x00', @link_local}) write$tun(r0, &(0x7f0000000240)={@val={0x0, 0x800}, @val={0x2, 0x3, 0x6, 0xf84, 0x80, 0x6}, @mpls={[], @ipv4=@udp={{0x5, 0x4, 0x0, 0x8, 0xf99, 0x0, 0x0, 0x9, 0x11, 0x0, @rand_addr=0x64010102, @dev={0xac, 0x14, 0x14, 0x13}}, {0x0, 0x4e23, 0xf85, 0x0, @gue={{0x2, 0x1, 0x2, 0x6f, 0x100}, "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0xfa7) 25.229256115s ago: executing program 0 (id=401): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r0) r1 = socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @local, 0xb}, 0x1c) listen(r1, 0x0) syz_emit_ethernet(0x9a, &(0x7f0000000100)={@local, @local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, '\x00', 0x64, 0x6, 0x0, @remote, @local, {[], {{0x100, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x2, 0x19, 0xc2, 0x0, 0x0, 0x9, {[@mss={0x1e, 0x4, 0xa101}, @mptcp=@mp_fclose={0x1e, 0xc, 0x7f, 0x0, 0x8}, @exp_fastopen={0xfe, 0x14, 0xf989, "d4710afe6f44273a884d85ee8d706600"}, @exp_fastopen={0xfe, 0x13, 0xf989, "62dd2e8a14d0168d6a8dbc8b9253de"}, @timestamp={0x8, 0xa, 0x1, 0x3}, @mptcp=@capable={0x1e, 0xc, 0x9, 0x8, 0x5, 0x8}]}}}}}}}}, 0x0) 22.477182338s ago: executing program 2 (id=402): r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) mmap(&(0x7f00009ff000/0x600000)=nil, 0x600000, 0x0, 0x11, r0, 0x0) sendto$inet6(r0, 0x0, 0x0, 0xfffffeffffff7ffe, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000028c0)="1a29686d9fe935c699abfce07ea022f260f7737101274349c2e284b44292298aafdcf9557a902c345d65381eef7661d27e5177dd6d1742007e4649d403ccc73f20b58d21c32d5f61de9df4eaea5fc4b3473d56b9a1ab523e47c84a16b0edefe2c0c6c0358a3a447916c4243917e70ea23c6a65cdb167de17b7a13ea902ed111d3f3760c66c955aa00e7e91ebb25b69ed73d9913532be657258f9d1dc7e2cf065ffc642a0b0d9a14740ad4206bae3661132fd0203d883b21be628cb02d66e6654fe7292576b15035c35996a86a5376f87ded181457b89b631123ba6e96eb836d51e7c7e1b2889709b03f8e08672b4a273a0d7564cbda01f6ecf067738f6364d02c2d61804eac7563e7941e569a15279034c7240369552d42f99bf7840223ffd51330e09436a3297162cf344e243029c2680059d0a027fd14e7674b182f28b3463b4d5eb2cedbd516462ee82c33b5fbe39e424f2b05ae30ca01252c1d6167ab020b0646be0a36efcce490d17b49f5cb4ff39b62407a2619a9459c5365a463dba799bc7bb1a84178f3fb4cc6d3023b0d90f0d19b666a67b0b57440e671ad76313fa19d358a146366b11ee856929cc098988168025a2b3ce2556708408607958a701f0860dbab81e737c06d286dcec360eba7cd20ef9306c88f5b454c03aee2303c4bcf42316508a1151bb62a925770787d230d0107f5d2f7c1cc410a484eeffdbef5b5635168eefc3137ca0700fc3ef929794f5a2b6b379c053f4402c9e25f35e1c77f1c20633628c5e96a22fbeb5c1083d82a51996e0740114b3c7df743aaf881835999c10a30e61a47442c62a86a0991e85524c684e4dc511aee215f3ea275ed9634d91919990a9a64c0f323f76386c101823d66d08e6b8bfb1cdc25947c9e663dc320c9e98cf95f8fa92e325d1a80f39cb12a42832c6180d85fea170fdeaf0fac49a3b7a9306dde9f538f8527a9b165b386f8cfa4c9974b3da399b1a17bcec4a4ed6b6afdcf7483c1b94bd204887fae46c5654be2297362b1d447b89cafe534df1dd987a8f8a0d9773453f72965810769e4e2955d5b6fd6a4b8d3f2852676c86997270c159ff76bdc906165e6855110dec5d590d99410baa3b48a2467d2a439009274c0ecbb7d6f6ec5fc7d1d6947b3cedf8363d8fea949f9a3c8c9e76eb9727ba01c1421f5010040c934e5228dd2228f08be55ab0c27d30aaec7abd61d3a35bf49e56372fa48b3e52944bb646642bab4ba38427e36ebf4366c44f557f748aa01e2166419f9ffce4b2f5af065ce3ef67687a3d0e1d691e0c6cab14d6b0050cc40eb63f92e6842b7bfc08c2dcd0bc24d51eb64b955da0a7f03cb60f0fcc2abcc7c0a3502f694867bdc0f1ee3a76cbbc250173de5811778ba10251ee045d030195ab2771d8d6b1d6ebf88b759f3aa30d6167a7433ff69ae251a5db6017d6aa522a49f6ef6f8b40c7ecefb5b70c32dbef8306be14238f7e55e642d26690b710560294f918122c0dbe117cc2248f7c8be4c06217207d7a54ac8a4aad99b6f5d9593731110f86c8a13b4f01436204a5febec7f8cb801f729c6cd414b1183c5204cc7d7e25a2744a74d5f9d11afb3eacf36b375097550ab0f0f8807f7f3271aaa480a29c0ea9b78a70cc56e69583051687b20d4638b746b6a0b3afac926aeab5e4fc2501058ae01c7f0d924e33d59b764a2492175b1f8ddfab95da5d12fbac042e958723b048e5250746f3ff6ff68547393bd4ea961058152108188b834b35035d2e98580d127627a76f8534e577bfad6d3ccca85050a39fefbf5cea99fb728a2b9ed1fba221d745d484d78a9e2ddab3ed058b9ad6f13c0900f3a2258acfcec81f263e5abc6ef11bd7bb717b00f2ae18b2f4c258e8b83aa96238dc55f84cef8dd0d9d59efb92af0788ec20d08a20300e064ff7865a66e43cc50b86dc416bb46b12845739688cd91ee85a36da2b1081916311b9dbd8333bb6551f114273607868ef83755e9da521c186e6e5df4750080525e16e9bd24b39a11e0f66937333f9f1adaf6c0f077bd797c6a4bf43fae592c7d80cecb0e65f3ba39ab0b77ec9f0366f19a519306d924e326beae86fa9c941102fd9e02ba7d72c53e54aadb74fc475fad2da5af651d8aff81106ba0e3b89a719f3c59712951c30df46b4db3149bc28c5b9324a83e7e33727cb6abc64ac75cc2eae00bc8847377f77ecc5c08e99adf9056fb4c52eeb055b8570bdb49413c54699844527b238158068a679bdc26a0450b21948a0eac9c18fec804e3067cb9886929a31407de23a894aead991fb30a1f6da613199ee76caf22404b1fa3b934d9e905b968b164e8c1c5874ce9c0940bbc791e865a6b3f3ea5f4874669cd46703dd044db0e68d7e1a20756d11319278fd46e25f5d127faa5814dbdd6d11aaf577d9f8b075a7389026ed74049ab9715c36379694558b12535ba9b0799381d27a079c2ada50f6b08678433f2aeb6967a11a73e691d276efd55e629c203c30423a55dbfdace02092ad988e50abc1b24d78253f8c1618c69c9d7639afedd8020f07e43272ea4b49a6a274c3e3bda6c8ce60597afac435236dd12c5d86bedfc52f841ff53340449f5c3f441b7c8d894938df48c8a3c71d9d35c4af3d28d72baea33a29b2beeee6f0f13a6d617eacdd38c9623d22b1306c2de29fb9805dcec16430280b54e4dfeccb70e0b2d3f218a6d6850b6115bdb69af048853fa7f414e54a9cfcefd37986aabe8f6c2d94c18050bc94205690addd224fe21f2e22a8628de1bcb2a90c4c3156e36ce68f95dae6644a5216aae2ec7d08ae0fc46945d6cf3b75e481ddc89ba84e3163458e11ffcf8ad5f532f2708cad50af9356a739ca2510cab0b8aa1f98c7006d483b0e0080ac86d0a376344789ac19ef280e853054f56b05ac320bed179902c9adfbd819d360a557ccff3d534b18047cb738f1a72ecda5157197a269a9d4a561ca45fd8043d06b9715f4fa19c70d9a3af134ef3c2d83489784c28762bb695e303352f48f83dcb35df75f63ef6bf0396ad7d472952ce86841e43f2f6cd0b2edf5741a1e316c228f4ffddd2210c498a51bb7753b3744b0cc3aea4a51fb9a02de4c295e06a74e6ed1a8b4a14da2edc127948750fb1a150fb1b7872da6e92adf1ea0311da8780c81f488125ea9836e7dcb445936d9b3998be1a0dd9fb43a3e82091ffd9ce1c2b9a56b44b6a0486fb0014f01244ea4d685656b5f3df810f7bd3d94dd2dae761ca6db57a343aefe8c7ff6d98018a14fe9deedbe31c61a502cf8fe53517f4ffcfa34efaedc61e36aa2826d24151c08a5889367e177d1d39c672e9c0eb4022f7b30d219360db78b0b88fb7b4a943629a79aa08001aed26acff7c5a72d2de889c23fe7ee359610aa011378d42ffbcda98ba37c5cdfc264dc91d6dab639df0d4c975552d3b136a13db9293006d55ac6a178a4f04be7bfd41cd355500838015bfb91b8c5cdfa051a3212f5c3b79f1411d99c2e7f7a1c75e2de530b90d4b218cff5b179c6f2487a1ac54f5719970c003feb9d0647cee624b01db38d635b493b250c09cccc406266ab3fb571f1d87351a43c44d5d79eef0841a574c2f55bbfde6d52e26657d622ff7f9388bed5e08c76fc5cd01e7e33bd1355ecbb4bbed5d94666a73629d04238104770fd3ca900ad6316e994d2c97064935d3eac054bd09e875baa19a4571d3dd7aac44428157e4ba20aa9684556e2e4e7c662aba34ffbe993cf442a27462650a52506b259a3df96563c6dba173553f3e2c81b9719ad7b9ddcf7a5c35e0421b4abc2a22fddeede33f118fef4c622f8e822ce44a763fed667a0a0c321bc755ce3fcb3ce369b63eb4329364a37be3b0d657ec7a194ce5e22e7d3660568200b33d713d546cdbffcca3e8aed418ade622e332cba4931200a078c811b5d1c0a28d61de302d32e7726087700b160444d7d997a4cb0fc3b4f74cf259db0aae49243a947a3aa8e4762841def472f686cf876088eaa2c267cb39df380bd94a5d4dca072bccf71ff7029c98a1a337c405bd0b5b1e216b0fbab3bbfb21faafff8ab4d7835b51a34a6ad5c069ad1c3d6ff819f0ac27c7acfbabc0265aa5b795081c60e21ae852795c4ee2a9a297b02341f2e0815045816c07533aa57f73116a53867ee07e32f55c632be1986d190b9e59c2e56c5e598867f5e0a5e79fd933520932fc6e05905a0aed9cca2df486a9dca475dc13c770ab56783c6fc4291182bb3f98a1fad71a47628c8b50ca28e1db47df1a9e57deaf53bef661ca87536a94bd78596dcb21365d56a74736227e062522393020d561095f200d5287e805e0ad2fc4219091b779e957fc3f1fe0614e436774dd9630c5f1e2a81fe9ad8363635bf3ce1e233eabe83a96f7c7e964baaf4c0a831ab1baa86976ded258cd38512c53f40860c271018188e56656d9c143304c4e744cd83ec673df6c0a968a3b7c5783f16b966d9752dc2fc0d587891e2f12158d521a04542dec2db145010ad00736fe2aa6b48ff4b4d159f86bdb2ddab055a48ff390b315f6c778d93723809ea2559eb64fe41857402bc424bc48620dcc5a09ede88d986a9c440cc02597d1c9ec8dc39e2f56fa4e88c1c30bc1adc6adbd9e754996d11bf72a1536c91c0e16288406a145a4150ad073196b7dd1f440a86a827c24acb4bb9d59b36331a12d771388f800216444f7869390d49c036708c69c388411d3401541781f5653714925020eee74a3be06de496e473f3704fbd97a274c02301c7bf44611eeb3ef2a19d889dd72c0f1ec53bd4f2c86a99401b9cb3dcfc1377a084d489c08b65c88b91b4e16c3ad0b56fcbd6112c330be885080becc0a70ca7a883b1dde203d7ef228a0c168463afb5feaafd41b8ffae34da857ad9371ba7ec23053bfeb12e64c59a32f97190cbb05a40ab8683661487ac3341cf3ea3bbe92febe59d4c48f17c8cfd07c6ecca383ef01fa597fa352eecd691f18417461acb105911fd85a840a3dca5efc534610cef8c8d015c19a3a2f7199f4fda683418f94fb1889816939fb71516e87dbe0819de475679912c12db3be40ce6b4b6baa32d4b4a74068bef74ee75cc8732b31d82ef3c3aa753afc5bbf71e2dec2135de3da3643ce5c5ebce8c1f635a8cf733cd4cbf97a997a37258c6f456b26604c468002a4fa220d291e588ba6a6f699a1d12e7ce0fb9b98eef015f20e48c7c8fbbf550704703482fe3714a5d8de61fe14223f66749898ab69c9c65ac476ca02057c0792357e7a9c6a8c84f6c9c596758ffebfd5be7722f2d4b16c9bcba2a08ce0ea4958f979e0d2e73eba30a48559ce587041cfbffe852be137a0bee8ae47598a9deeb901411c0eadad9f70a0127a19e858bb5fc757ba11148d3bedf2a9a58cd703abc54efc59932bb851b308a8cd859c48e8d045d4ef30e0c184fe202da9d085a83a8b7bdd02f003af053a73d3e8a03537f96dd1040ba18ee180ca4aa8fa9f10e8d04d788aa4c67c651192889df0f4fa9754952fea58d92cc1c6544fd839f977edbf50e0963f451780d8efa0e6889d83c53e9024193f2993ccaf2d17ba1e0f504e19a28ec43bb0ea671f6c457f91ecdb0a9dd9bac27712cc6c7e43ecddca3b684b6e41a681048cf17ba87a49fe80928be2eec88411d237eb87132e9adb8f61a35fbff74fb6c46b9eed67b92474bdfea3a48754bff62751f5aa6f68b90516189a62e11c4a4839a2fa01651fa1014f08c1d0c8da18ebe0f01a2d9882ce486a27ad5a032a11f7bb6a0c27737837a5c94c95e3bea16949a4c1d98d00cc763cc", 0xff9}, {&(0x7f0000000480)="a5c6a6d9aeb781", 0x7}], 0x2}}], 0x1, 0x4000800) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f0000000240)={&(0x7f0000b95000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000000)=0x40) 18.883804004s ago: executing program 2 (id=403): mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_type(r0, &(0x7f00000001c0), 0x2, 0x0) write$cgroup_type(r1, &(0x7f0000000280), 0x9) openat$cgroup_procs(r0, 0x0, 0x2, 0x0) read$FUSE(r1, &(0x7f0000000c80)={0x2020}, 0x2020) 18.112452104s ago: executing program 0 (id=404): r0 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000180)=0x80000004, 0x4) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x33, &(0x7f00000000c0)={0x1, &(0x7f0000000040)=[{0x6, 0x0, 0x0, 0x2}]}, 0x10) bpf$ENABLE_STATS(0x20, 0x0, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x32, &(0x7f00000002c0)={@local, @broadcast, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x10, 0x0, @gue={{0x2}}}}}}}, 0x0) 15.226660052s ago: executing program 2 (id=405): r0 = syz_open_dev$sndctrl(&(0x7f0000000180), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r0, 0x40045532, &(0x7f0000000200)) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000100), 0x80002, 0x0) r2 = syz_open_dev$sndpcmp(&(0x7f0000000000), 0x0, 0xa2c25) ioctl$SNDCTL_DSP_CHANNELS(r1, 0xc0045006, &(0x7f0000000340)=0xe) writev(r2, &(0x7f000009de80)=[{&(0x7f0000002a80)="92601b126cd916238152311e05ee79b7129fcda028997dd43917ea01b9e9efbb54286d299a104d2d4a20d1fadfecd7687bfd3c54f8c62189c138c5c5ecd3ce6f2f1cdb482c4e8d547ca98c08e87f592e109e441fab677da071e7683f562eddb2888bee5e65daac845793ebfa0ecbc95c8a44ec908110dd9a9ae9b16301f3e59afcf93da032f2fde9dd86f1dafbb1e68e56611af12fa1380f73d38aeddbd74c68c29bfe35caf5328e85950dd5973469df4c000000", 0xb4}, {0x0}], 0x2) 11.839655097s ago: executing program 0 (id=406): sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={0x0}, 0x1, 0x0, 0x0, 0x4000811}, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r1, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x44, 0x24, 0x4ee4e6a52ff56541, 0x70bd28, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}, {0xd}}, [@qdisc_kind_options=@q_gred={{0x9}, {0x14, 0x2, [@TCA_GRED_DPS={0x10, 0x3, {0x10, 0x3, 0x0, 0x1}}]}}]}, 0x44}, 0x1, 0x0, 0x0, 0x51}, 0x0) sendmmsg(r0, &(0x7f00000002c0), 0x40000000000009f, 0x0) 10.294042168s ago: executing program 2 (id=407): syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = landlock_create_ruleset(&(0x7f00000001c0)={0xa019, 0x1, 0x3}, 0x18, 0x0) landlock_restrict_self(r0, 0x0) r1 = getpgid(0x0) r2 = syz_pidfd_open(r1, 0x0) pidfd_send_signal(r2, 0x0, 0x0, 0x4) 1.976932908s ago: executing program 0 (id=408): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x5, "ff00"}) r1 = syz_open_pts(r0, 0x103000) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x13) ioctl$TCSETA(r1, 0x5406, &(0x7f00000001c0)={0xffff, 0x0, 0x0, 0x38f, 0x0, "a0590469a322d928"}) ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000140)=0x4) 0s ago: executing program 2 (id=409): r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xb, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000000000000b7030000e8ffffff850000000400000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000080)='sched_switch\x00', r0}, 0x10) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x14d002) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:13496' (ED25519) to the list of known hosts. syzkaller login: [ 394.606442][ T3183] cgroup: Unknown subsys name 'net' [ 395.257739][ T3183] cgroup: Unknown subsys name 'cpuset' [ 395.387903][ T3183] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 457.567050][ T3183] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 562.286856][ T3189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 562.348456][ T3189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 564.325411][ T3191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 564.394336][ T3191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 573.495634][ T3189] hsr_slave_0: entered promiscuous mode [ 573.555280][ T3189] hsr_slave_1: entered promiscuous mode [ 576.385577][ T3191] hsr_slave_0: entered promiscuous mode [ 576.406982][ T3191] hsr_slave_1: entered promiscuous mode [ 576.425061][ T3191] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 576.428464][ T3191] Cannot create hsr debugfs directory [ 583.706558][ T3189] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 583.889744][ T3189] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 584.067530][ T3189] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 584.747750][ T3189] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 587.086390][ T3191] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 587.187824][ T3191] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 587.551562][ T3191] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 587.685858][ T3191] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 599.357193][ T3191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 601.395802][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 634.238429][ T3191] veth0_vlan: entered promiscuous mode [ 634.679585][ T3191] veth1_vlan: entered promiscuous mode [ 636.219003][ T3191] veth0_macvtap: entered promiscuous mode [ 636.474028][ T3191] veth1_macvtap: entered promiscuous mode [ 638.194669][ T3189] veth0_vlan: entered promiscuous mode [ 638.726726][ T3191] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 638.732095][ T3191] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 638.734051][ T3191] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 638.736011][ T3191] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 639.092854][ T3189] veth1_vlan: entered promiscuous mode [ 642.452586][ T3189] veth0_macvtap: entered promiscuous mode [ 643.005912][ T3189] veth1_macvtap: entered promiscuous mode [ 643.349717][ T3191] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 645.058132][ T3189] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 645.085337][ T3189] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 645.087672][ T3189] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 645.089655][ T3189] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 654.603800][ T3897] raw_sendmsg: syz.1.2 forgot to set AF_INET. Fix it! [ 676.585298][ T3924] syz.1.13 uses obsolete (PF_INET,SOCK_PACKET) [ 711.763447][ T3967] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 712.433029][ T3967] netlink: 'syz.1.28': attribute type 9 has an invalid length. [ 712.434875][ T3967] netlink: 'syz.1.28': attribute type 6 has an invalid length. [ 733.503149][ T3993] Zero length message leads to an empty skb [ 759.391000][ T4023] mmap: syz.0.50 (4023) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 784.065074][ T4047] netlink: 28 bytes leftover after parsing attributes in process `syz.0.60'. [ 784.067690][ T4047] netlink: 28 bytes leftover after parsing attributes in process `syz.0.60'. [ 790.771090][ T36] audit: type=1800 audit(789.630:2): pid=4055 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.1.63" name="dmabuf" dev="dmabuf" ino=2 res=0 errno=0 [ 809.594274][ T4080] ALSA: mixer_oss: invalid OSS volume ':' [ 809.596975][ T4080] ALSA: mixer_oss: invalid OSS volume '010000E0' [ 809.612725][ T4080] ALSA: mixer_oss: invalid OSS volume '3' [ 809.614472][ T4080] ALSA: mixer_oss: invalid OSS volume '010000E0' [ 809.615996][ T4080] ALSA: mixer_oss: invalid OSS volume '4' [ 809.617469][ T4080] ALSA: mixer_oss: invalid OSS volume '010000E0' [ 809.618946][ T4080] ALSA: mixer_oss: invalid OSS volume '5' [ 823.179422][ T4093] af_packet: tpacket_rcv: packet too big, clamped from 60 to 4294967272. macoff=96 [ 857.778500][ T13] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 858.681233][ T13] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 859.754519][ T13] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 860.926518][ T13] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 869.356083][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 869.853516][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 870.022193][ T56] block nbd0: Receive control failed (result -32) [ 870.038811][ T13] bond0 (unregistering): Released all slaves [ 871.841854][ T13] hsr_slave_0: left promiscuous mode [ 871.919568][ T13] hsr_slave_1: left promiscuous mode [ 872.660746][ T13] veth1_macvtap: left promiscuous mode [ 872.663707][ T13] veth0_macvtap: left promiscuous mode [ 872.686832][ T13] veth1_vlan: left promiscuous mode [ 872.691356][ T13] veth0_vlan: left promiscuous mode [ 934.798608][ T4327] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 936.329123][ T4160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 936.535483][ T4160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 941.897874][ T4381] skbuff: bad partial csum: csum=65489/0 headroom=64 headlen=65491 [ 957.228484][ T4160] hsr_slave_0: entered promiscuous mode [ 957.310820][ T4160] hsr_slave_1: entered promiscuous mode [ 970.121563][ T4160] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 970.333369][ T4160] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 970.566794][ T4160] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 970.774007][ T4160] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 987.245265][ T4160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1022.208963][ T4599] binder: binder_mmap: 4598 200000ffc000-200000fff000 bad vm_flags failed -1 [ 1049.488924][ T4160] veth0_vlan: entered promiscuous mode [ 1050.064177][ T4160] veth1_vlan: entered promiscuous mode [ 1051.876543][ T4160] veth0_macvtap: entered promiscuous mode [ 1052.127727][ T4160] veth1_macvtap: entered promiscuous mode [ 1055.185124][ T4160] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1055.192328][ T4160] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1055.195930][ T4160] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1055.203398][ T4160] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1063.202212][ T36] audit: type=1326 audit(1062.030:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4640 comm="syz.2.95" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 1113.625954][ T3852] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 1113.932375][ T3852] usb 1-1: Using ep0 maxpacket: 8 [ 1115.132426][ T3852] usb 1-1: unable to get BOS descriptor or descriptor too short [ 1115.265438][ T3852] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 1115.268990][ T3852] usb 1-1: can't read configurations, error -71 [ 1135.008538][ T4704] cgroup: fork rejected by pids controller in /syz0 [ 1135.854924][ T3852] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 1136.044254][ T4707] netlink: 8 bytes leftover after parsing attributes in process `syz.2.146'. [ 1136.047392][ T4707] netlink: 12 bytes leftover after parsing attributes in process `syz.2.146'. [ 1136.232880][ T3852] usb 1-1: device descriptor read/64, error -71 [ 1136.534617][ T3852] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 1136.952951][ T3852] usb 1-1: device descriptor read/64, error -71 [ 1137.076413][ T4707] netdevsim netdevsim2 netdevsim0: set [0, 0] type 1 family 0 port 8472 - 0 [ 1137.083428][ T4707] netdevsim netdevsim2 netdevsim1: set [0, 0] type 1 family 0 port 8472 - 0 [ 1137.087644][ T4707] netdevsim netdevsim2 netdevsim2: set [0, 0] type 1 family 0 port 8472 - 0 [ 1137.092138][ T4707] netdevsim netdevsim2 netdevsim3: set [0, 0] type 1 family 0 port 8472 - 0 [ 1137.264226][ T3852] usb usb1-port1: attempt power cycle [ 1137.764481][ T3852] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 1137.933619][ T3852] usb 1-1: device descriptor read/8, error -71 [ 1138.345657][ T3852] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 1138.537281][ T3852] usb 1-1: device descriptor read/8, error -71 [ 1138.688851][ T3852] usb usb1-port1: unable to enumerate USB device [ 1172.423766][ T36] audit: type=1326 audit(1171.290:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4746 comm="syz.2.155" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 1209.566181][ T4744] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1209.694593][ T4744] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1214.379765][ T4941] input: syz0 as /devices/virtual/input/input0 [ 1223.522791][ T4988] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1223.614396][ T4988] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1226.289315][ T4744] hsr_slave_0: entered promiscuous mode [ 1226.332026][ T4744] hsr_slave_1: entered promiscuous mode [ 1226.357754][ T4744] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1226.367384][ T4744] Cannot create hsr debugfs directory [ 1233.112949][ T4744] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1234.367323][ T4744] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1235.548201][ T4744] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1236.574716][ T4744] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1239.979434][ T4744] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1240.129340][ T4744] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1240.233035][ T4744] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1240.533790][ T4744] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1257.154033][ T4744] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1308.646829][ T4744] veth0_vlan: entered promiscuous mode [ 1309.395556][ T4744] veth1_vlan: entered promiscuous mode [ 1310.165111][ T5166] netlink: 16 bytes leftover after parsing attributes in process `syz.2.177'. [ 1311.696043][ T4744] veth0_macvtap: entered promiscuous mode [ 1312.096134][ T4744] veth1_macvtap: entered promiscuous mode [ 1314.865796][ T4744] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1314.868356][ T4744] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1314.871829][ T4744] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1314.873885][ T4744] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1352.799000][ T5203] netlink: 44 bytes leftover after parsing attributes in process `syz.2.188'. [ 1352.974185][ T5203] netlink: 44 bytes leftover after parsing attributes in process `syz.2.188'. [ 1412.093534][ T36] audit: type=1800 audit(1410.960:5): pid=5256 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.210" name="dmabuf" dev="dmabuf" ino=6 res=0 errno=0 [ 1423.208504][ T859] block nbd1: Receive control failed (result -32) [ 1454.373540][ T5295] hub 2-0:1.0: USB hub found [ 1454.428803][ T5295] hub 2-0:1.0: 1 port detected [ 1520.528807][ T5367] input: syz1 as /devices/virtual/input/input1 [ 1533.029643][ T5378] netlink: 20 bytes leftover after parsing attributes in process `syz.0.253'. [ 1537.845374][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.851073][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.854501][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.858893][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.863786][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.867165][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.871610][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.875021][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.878315][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.882675][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.885926][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.889199][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.893650][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.896845][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.901046][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.904323][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.907719][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.911979][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.915109][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.918199][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.922320][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.925478][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.930764][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.934113][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.937230][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.941387][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.944719][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.948271][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.952417][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.955815][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.959089][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.963426][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.966701][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.971859][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.975357][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.978928][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.983937][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.987159][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.991779][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.995391][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1537.998692][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.004158][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.007378][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.011738][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.015139][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.023009][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.026517][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.029779][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.034369][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.037493][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.041773][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.045013][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.048214][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.052500][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.055779][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.059185][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.063846][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.067096][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.071659][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.075298][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.078525][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.082949][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.086135][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.089529][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.094069][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.097242][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.101338][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.104791][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.108381][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.112734][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.116059][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.119177][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.124659][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.128154][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.132347][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.135949][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 1538.889030][ C0] vcan0: j1939_tp_rxtimer: 0xffffaf802bf78400: rx timeout, send abort [ 1539.394625][ C0] vcan0: j1939_tp_rxtimer: 0xffffaf802bf78400: abort rx timeout. Force session deactivation [ 1577.335655][ T5415] capability: warning: `syz.2.265' uses deprecated v2 capabilities in a way that may be insecure [ 1591.482401][ T5437] input: syz1 as /devices/virtual/input/input2 [ 1596.639659][ T5447] input: syz1 as /devices/virtual/input/input3 [ 1631.137061][ T5478] netlink: 'syz.0.285': attribute type 1 has an invalid length. [ 1631.152485][ T5478] netlink: 192 bytes leftover after parsing attributes in process `syz.0.285'. [ 1638.267417][ T5484] hub 2-0:1.0: USB hub found [ 1638.308481][ T5484] hub 2-0:1.0: 1 port detected [ 1657.068550][ T5500] hub 2-0:1.0: USB hub found [ 1657.081592][ T5500] hub 2-0:1.0: 1 port detected [ 1694.806881][ T5534] hub 2-0:1.0: USB hub found [ 1694.829126][ T5534] hub 2-0:1.0: 1 port detected [ 1702.135156][ T5543] netlink: 4 bytes leftover after parsing attributes in process `syz.0.311'. [ 1715.095697][ T5553] fanotify: failed to encode fid (type=0, len=0, err=-2) [ 1736.352984][ T5571] hub 2-0:1.0: USB hub found [ 1736.373349][ T5571] hub 2-0:1.0: 1 port detected [ 1754.466217][ T5590] hub 2-0:1.0: USB hub found [ 1754.545950][ T5590] hub 2-0:1.0: 1 port detected [ 1809.795474][ T5640] hub 2-0:1.0: USB hub found [ 1809.877061][ T5640] hub 2-0:1.0: 1 port detected [ 1820.676398][ T5652] netlink: 20 bytes leftover after parsing attributes in process `syz.2.349'. [ 1862.001052][ T5691] netlink: 28 bytes leftover after parsing attributes in process `syz.2.366'. [ 1885.841110][ T36] audit: type=1326 audit(1884.710:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5713 comm="syz.2.374" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 1900.244780][ T5734] UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy [ 1900.295523][ T5734] misc raw-gadget: fail, usb_gadget_register_driver returned -16 [ 1900.748946][ T36] audit: type=1326 audit(1899.600:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=5733 comm="syz.2.381" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 1950.169101][ T5773] netlink: 16 bytes leftover after parsing attributes in process `syz.2.396'. [ 1987.695580][ T5802] [ 1987.697186][ T5802] ====================================================== [ 1987.698189][ T5802] WARNING: possible circular locking dependency detected [ 1987.699785][ T5802] 6.16.0-rc1-syzkaller-gfda589c28604 #0 Not tainted [ 1987.702612][ T5802] ------------------------------------------------------ [ 1987.704095][ T5802] syz.2.409/5802 is trying to acquire lock: [ 1987.705517][ T5802] ffffaf801a1d1a30 (&nbd->config_lock){+.+.}-{4:4}, at: nbd_open+0x3c0/0x6fe [ 1987.711915][ T5802] [ 1987.711915][ T5802] but task is already holding lock: [ 1987.713044][ T5802] ffffffff88e269e8 (nbd_index_mutex){+.+.}-{4:4}, at: nbd_open+0x98/0x6fe [ 1987.715438][ T5802] [ 1987.715438][ T5802] which lock already depends on the new lock. [ 1987.715438][ T5802] [ 1987.716532][ T5802] [ 1987.716532][ T5802] the existing dependency chain (in reverse order) is: [ 1987.717683][ T5802] [ 1987.717683][ T5802] -> #3 (nbd_index_mutex){+.+.}-{4:4}: [ 1987.719676][ T5802] lock_acquire+0x1ac/0x448 [ 1987.721144][ T5802] __mutex_lock+0x166/0x1292 [ 1987.723167][ T5802] mutex_lock_nested+0x14/0x1c [ 1987.724288][ T5802] nbd_open+0x98/0x6fe [ 1987.725507][ T5802] blkdev_get_whole+0x8a/0x266 [ 1987.726839][ T5802] bdev_open+0x292/0xce6 [ 1987.727899][ T5802] blkdev_open+0x264/0x39a [ 1987.728951][ T5802] do_dentry_open+0x97e/0x171e [ 1987.730010][ T5802] vfs_open+0xbe/0x380 [ 1987.731056][ T5802] path_openat+0x1bd8/0x2a82 [ 1987.732353][ T5802] do_filp_open+0x19c/0x380 [ 1987.733579][ T5802] do_sys_openat2+0x11a/0x1c2 [ 1987.734657][ T5802] __riscv_sys_openat+0x178/0x1fe [ 1987.735832][ T5802] syscall_handler+0x94/0x118 [ 1987.736997][ T5802] do_trap_ecall_u+0x396/0x530 [ 1987.738252][ T5802] handle_exception+0x146/0x152 [ 1987.739662][ T5802] [ 1987.739662][ T5802] -> #2 (&disk->open_mutex){+.+.}-{4:4}: [ 1987.741551][ T5802] lock_acquire+0x1ac/0x448 [ 1987.742837][ T5802] __mutex_lock+0x166/0x1292 [ 1987.743965][ T5802] mutex_lock_nested+0x14/0x1c [ 1987.745063][ T5802] __del_gendisk+0x132/0xac6 [ 1987.746254][ T5802] del_gendisk+0xf6/0x19a [ 1987.747447][ T5802] loop_control_ioctl+0x4ce/0x600 [ 1987.748657][ T5802] __riscv_sys_ioctl+0x180/0x1e4 [ 1987.749937][ T5802] syscall_handler+0x94/0x118 [ 1987.751139][ T5802] do_trap_ecall_u+0x396/0x530 [ 1987.752421][ T5802] handle_exception+0x146/0x152 [ 1987.753792][ T5802] [ 1987.753792][ T5802] -> #1 (&set->update_nr_hwq_lock){++++}-{4:4}: [ 1987.755752][ T5802] lock_acquire+0x1ac/0x448 [ 1987.756999][ T5802] down_write+0x9c/0x19a [ 1987.758088][ T5802] blk_mq_update_nr_hw_queues+0x3e/0xb86 [ 1987.759251][ T5802] nbd_start_device+0x140/0xb2c [ 1987.760515][ T5802] nbd_genl_connect+0xae0/0x1b24 [ 1987.761796][ T5802] genl_family_rcv_msg_doit+0x206/0x2e6 [ 1987.763152][ T5802] genl_rcv_msg+0x514/0x78e [ 1987.764456][ T5802] netlink_rcv_skb+0x206/0x3be [ 1987.765704][ T5802] genl_rcv+0x36/0x4c [ 1987.766904][ T5802] netlink_unicast+0x4f0/0x82c [ 1987.768170][ T5802] netlink_sendmsg+0x85e/0xdd6 [ 1987.769409][ T5802] __sock_sendmsg+0xcc/0x160 [ 1987.770630][ T5802] ____sys_sendmsg+0x63e/0x79c [ 1987.771934][ T5802] ___sys_sendmsg+0x144/0x1e6 [ 1987.773193][ T5802] __sys_sendmsg+0x188/0x246 [ 1987.774463][ T5802] __riscv_sys_sendmsg+0x70/0xa2 [ 1987.775798][ T5802] syscall_handler+0x94/0x118 [ 1987.776933][ T5802] do_trap_ecall_u+0x396/0x530 [ 1987.778154][ T5802] handle_exception+0x146/0x152 [ 1987.779398][ T5802] [ 1987.779398][ T5802] -> #0 (&nbd->config_lock){+.+.}-{4:4}: [ 1987.781237][ T5802] check_noncircular+0x132/0x146 [ 1987.782523][ T5802] __lock_acquire+0x12b2/0x24ea [ 1987.783821][ T5802] lock_acquire+0x1ac/0x448 [ 1987.785179][ T5802] __mutex_lock+0x166/0x1292 [ 1987.786290][ T5802] mutex_lock_nested+0x14/0x1c [ 1987.787464][ T5802] nbd_open+0x3c0/0x6fe [ 1987.788740][ T5802] blkdev_get_whole+0x8a/0x266 [ 1987.790112][ T5802] bdev_open+0x292/0xce6 [ 1987.791118][ T5802] blkdev_open+0x264/0x39a [ 1987.792218][ T5802] do_dentry_open+0x97e/0x171e [ 1987.793268][ T5802] vfs_open+0xbe/0x380 [ 1987.794308][ T5802] path_openat+0x1bd8/0x2a82 [ 1987.795530][ T5802] do_filp_open+0x19c/0x380 [ 1987.796739][ T5802] do_sys_openat2+0x11a/0x1c2 [ 1987.797811][ T5802] __riscv_sys_openat+0x178/0x1fe [ 1987.798922][ T5802] syscall_handler+0x94/0x118 [ 1987.800171][ T5802] do_trap_ecall_u+0x396/0x530 [ 1987.801415][ T5802] handle_exception+0x146/0x152 [ 1987.802744][ T5802] [ 1987.802744][ T5802] other info that might help us debug this: [ 1987.802744][ T5802] [ 1987.803957][ T5802] Chain exists of: [ 1987.803957][ T5802] &nbd->config_lock --> &disk->open_mutex --> nbd_index_mutex [ 1987.803957][ T5802] [ 1987.806687][ T5802] Possible unsafe locking scenario: [ 1987.806687][ T5802] [ 1987.807747][ T5802] CPU0 CPU1 [ 1987.808682][ T5802] ---- ---- [ 1987.809621][ T5802] lock(nbd_index_mutex); [ 1987.811084][ T5802] lock(&disk->open_mutex); [ 1987.812685][ T5802] lock(nbd_index_mutex); [ 1987.814071][ T5802] lock(&nbd->config_lock); [ 1987.815331][ T5802] [ 1987.815331][ T5802] *** DEADLOCK *** [ 1987.815331][ T5802] [ 1987.816387][ T5802] 2 locks held by syz.2.409/5802: [ 1987.817388][ T5802] #0: ffffaf801a1db358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x3d0/0xce6 [ 1987.820217][ T5802] #1: ffffffff88e269e8 (nbd_index_mutex){+.+.}-{4:4}, at: nbd_open+0x98/0x6fe [ 1987.822991][ T5802] [ 1987.822991][ T5802] stack backtrace: [ 1987.824738][ T5802] CPU: 1 UID: 0 PID: 5802 Comm: syz.2.409 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 1987.825431][ T5802] Hardware name: riscv-virtio,qemu (DT) [ 1987.826036][ T5802] Call Trace: [ 1987.826274][ T5802] [] dump_backtrace+0x2e/0x3c [ 1987.826855][ T5802] [] show_stack+0x30/0x3c [ 1987.827318][ T5802] [] dump_stack_lvl+0x12e/0x1a6 [ 1987.827928][ T5802] [] dump_stack+0x1c/0x24 [ 1987.828532][ T5802] [] print_circular_bug+0x254/0x29a [ 1987.829160][ T5802] [] check_noncircular+0x132/0x146 [ 1987.829765][ T5802] [] __lock_acquire+0x12b2/0x24ea [ 1987.830319][ T5802] [] lock_acquire+0x1ac/0x448 [ 1987.830890][ T5802] [] __mutex_lock+0x166/0x1292 [ 1987.831383][ T5802] [] mutex_lock_nested+0x14/0x1c [ 1987.831872][ T5802] [] nbd_open+0x3c0/0x6fe [ 1987.832447][ T5802] [] blkdev_get_whole+0x8a/0x266 [ 1987.833099][ T5802] [] bdev_open+0x292/0xce6 [ 1987.833474][ T5802] [] blkdev_open+0x264/0x39a [ 1987.833886][ T5802] [] do_dentry_open+0x97e/0x171e [ 1987.834285][ T5802] [] vfs_open+0xbe/0x380 [ 1987.834699][ T5802] [] path_openat+0x1bd8/0x2a82 [ 1987.835293][ T5802] [] do_filp_open+0x19c/0x380 [ 1987.835875][ T5802] [] do_sys_openat2+0x11a/0x1c2 [ 1987.836316][ T5802] [] __riscv_sys_openat+0x178/0x1fe [ 1987.836782][ T5802] [] syscall_handler+0x94/0x118 [ 1987.837276][ T5802] [] do_trap_ecall_u+0x396/0x530 [ 1987.837869][ T5802] [] handle_exception+0x146/0x152 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 1989.987858][ T5268] block nbd2: Receive control failed (result -32) [ 1990.268369][ T5802] block nbd2: shutting down sockets VM DIAGNOSIS: 08:42:12 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8020e5b0 mhartid 0000000000000000 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff800784b6 sepc ffffffff8015e62a vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 902e7000000ac06d x0/zero 0000000000000000 x1/ra ffffffff8575e140 x2/sp ffff8f80000071e0 x3/gp ffffffff89c83e20 x4/tp ffffaf801a1e3480 x5/t0 ffffaf802f850900 x6/t1 0000000000000001 x7/t2 ffffaf7ffff7f580 x8/s0 ffff8f8000007130 x9/s1 ffffaf801a1e3480 x10/a0 ffffffff91183e22 x11/a1 0000000000000000 x12/a2 0000000000000001 x13/a3 ffffffff8575b49c x14/a4 0000000000000000 x15/a5 ffffaf801a1e3480 x16/a6 0000000000f00000 x17/a7 1ffff5f00343c694 x18/s2 ffffaf80314c1e50 x19/s3 0000000000000000 x20/s4 ffffaf801b730000 x21/s5 ffffffff91183800 x22/s6 1ffff5f005f0a123 x23/s7 0000000000000000 x24/s8 1ffff5f005f0a132 x25/s9 1ffff5f005f0a12f x26/s10 ffffaf802f850918 x27/s11 ffffaf802f850990 x28/t3 fffffffff204f204 x29/t4 fffff5ef05f0a134 x30/t5 fffff5ef05f0a135 x31/t6 ffffaf802f8508f4 fcsr 0000000000000000 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 ffffffff802f9a58 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff8008eba2 sepc ffffffff86301768 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 904360000009e1ca x0/zero 0000000000000000 x1/ra ffffffff802f9a54 x2/sp ffff8f80047d6f00 x3/gp ffffffff89c83e20 x4/tp ffffaf801bd59a40 x5/t0 2d2d2d2d2d2d2d2d x6/t1 fffffffef1390fe8 x7/t2 2d2d2d2d2d2d2d2d x8/s0 ffff8f80047d6f30 x9/s1 ffff8f80047d6fa0 x10/a0 ffffffff80302e9e x11/a1 0000000000000000 x12/a2 0000000000080000 x13/a3 ffffffff802f9a54 x14/a4 ffff8f800df92ca8 x15/a5 0000000000028ca8 x16/a6 0000000000000003 x17/a7 0000000000000003 x18/s2 0000000200000020 x19/s3 0000000000000000 x20/s4 ffffffff80302e9e x21/s5 0000000000000000 x22/s6 1ffff1f0008fade8 x23/s7 ffffffff87c1f430 x24/s8 ffff8f80047d7108 x25/s9 ffffffff80302e9e x26/s10 0000000000000001 x27/s11 0000000000000002 x28/t3 ffffffff90e57726 x29/t4 fffffffef1390fe8 x30/t5 fffffffef1390fe9 x31/t6 ffff8f80047d69f8 fcsr 0000000000000000 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