syzkaller login: [ 260.230363][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 260.307104][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 278.292960][ T1831] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:5284' (ECDSA) to the list of known hosts. 1970/01/01 00:05:14 fuzzer started 1970/01/01 00:05:28 dialing manager at localhost:41917 [ 335.868634][ T2010] cgroup: Unknown subsys name 'net' [ 336.859277][ T2010] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:36 syscalls: 2796 1970/01/01 00:05:36 code coverage: enabled 1970/01/01 00:05:36 comparison tracing: enabled 1970/01/01 00:05:36 extra coverage: enabled 1970/01/01 00:05:36 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:36 setuid sandbox: enabled 1970/01/01 00:05:36 namespace sandbox: enabled 1970/01/01 00:05:36 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:36 fault injection: enabled 1970/01/01 00:05:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:36 net packet injection: enabled 1970/01/01 00:05:36 net device setup: enabled 1970/01/01 00:05:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:36 USB emulation: enabled 1970/01/01 00:05:36 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:36 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:36 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:42 fetching corpus: 50, signal 34962/36752 (executing program) 1970/01/01 00:05:47 fetching corpus: 100, signal 51311/54700 (executing program) 1970/01/01 00:05:53 fetching corpus: 150, signal 58733/63656 (executing program) 1970/01/01 00:05:56 fetching corpus: 200, signal 65395/71788 (executing program) 1970/01/01 00:05:58 fetching corpus: 250, signal 70300/78132 (executing program) 1970/01/01 00:06:01 fetching corpus: 300, signal 74289/83539 (executing program) 1970/01/01 00:06:05 fetching corpus: 350, signal 82064/92460 (executing program) 1970/01/01 00:06:08 fetching corpus: 400, signal 86126/97811 (executing 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fetching corpus: 11700, signal 266426/319291 (executing program) 1970/01/01 00:15:31 fetching corpus: 11750, signal 266741/319293 (executing program) 1970/01/01 00:15:33 fetching corpus: 11800, signal 267106/319293 (executing program) 1970/01/01 00:15:35 fetching corpus: 11850, signal 267377/319293 (executing program) [ 1477.158211][ C0] INFO: timekeeping: Cycle offset (5143135445) is larger than the 'riscv_clocksource' clock's 50% safety margin (4952755080) [ 1477.158781][ C0] timekeeping: Your kernel is still fine, but is feeling a bit nervous 1970/01/01 00:24:35 Manager.Poll call failed: reading body read tcp 127.0.0.1:46906->127.0.0.1:41917: i/o timeout [ 1490.644113][ T2000] ------------[ cut here ]------------ [ 1490.646947][ T2000] WARNING: CPU: 1 PID: 2000 at net/core/stream.c:207 sk_stream_kill_queues+0x264/0x294 [ 1490.649605][ T2000] Modules linked in: [ 1490.651067][ T2000] CPU: 1 PID: 2000 Comm: sshd Not tainted 5.15.0-rc1-syzkaller-00001-g64a19591a293 #0 [ 1490.652684][ T2000] Hardware name: riscv-virtio,qemu (DT) [ 1490.653942][ T2000] epc : sk_stream_kill_queues+0x264/0x294 [ 1490.656150][ T2000] ra : sk_stream_kill_queues+0x264/0x294 [ 1490.657679][ T2000] epc : ffffffff821eb286 ra : ffffffff821eb286 sp : ffffffe00ca03b50 [ 1490.659106][ T2000] gp : ffffffff83f9a558 tp : ffffffe00d148000 t0 : 0000000000000000 [ 1490.660436][ T2000] t1 : ffffffc40b5beb21 t2 : ffffffffffffffff s0 : ffffffe00ca03b90 [ 1490.661796][ T2000] s1 : 00000000000001c0 a0 : 0000000000000000 a1 : 00000000000f0000 [ 1490.663211][ T2000] a2 : 0000000000000002 a3 : ffffffff821eb286 a4 : ffffffe00d149000 [ 1490.664583][ T2000] a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe05adf590b [ 1490.666152][ T2000] s2 : fffffffffffffe40 s3 : 00000000000001c0 s4 : 0000000000001000 [ 1490.667528][ T2000] s5 : ffffffe00a9aa560 s6 : ffffffe00a9aa500 s7 : ffffffe00a9aa3a0 [ 1490.668939][ T2000] s8 : ffffffe00a9aa352 s9 : 0000000000000000 s10: 0000000000000008 [ 1490.670263][ T2000] s11: 0000000000000000 t3 : 7a4891b67f245700 t4 : ffffffc40b5beb21 [ 1490.671776][ T2000] t5 : ffffffc40b5beb22 t6 : 00000000025db4d8 [ 1490.672946][ T2000] status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003 [ 1490.674436][ T2000] [] sk_stream_kill_queues+0x264/0x294 [ 1490.676299][ T2000] [] inet_csk_destroy_sock+0x106/0x2a6 [ 1490.677348][ T2000] [] __tcp_close+0x9b0/0xb7e [ 1490.678241][ T2000] [] tcp_close+0x2e/0xd8 [ 1490.679203][ T2000] [] inet_release+0xd4/0x15c [ 1490.680126][ T2000] [] __sock_release+0x88/0x17e [ 1490.681018][ T2000] [] sock_close+0x1e/0x2a [ 1490.681877][ T2000] [] __fput+0x166/0x4f8 [ 1490.683171][ T2000] [] ____fput+0x1a/0x24 [ 1490.684466][ T2000] [] task_work_run+0xdc/0x154 [ 1490.686059][ T2000] [] do_notify_resume+0x7a4/0x912 [ 1490.687682][ T2000] [] ret_from_exception+0x0/0x14 [ 1490.688960][ T2000] irq event stamp: 2793265 [ 1490.689684][ T2000] hardirqs last enabled at (2793264): [] _raw_spin_unlock_irqrestore+0x68/0x98 [ 1490.691316][ T2000] hardirqs last disabled at (2793265): [] _save_context+0x80/0x90 [ 1490.692537][ T2000] softirqs last enabled at (2793256): [] __tcp_close+0x3da/0xb7e [ 1490.693793][ T2000] softirqs last disabled at (2793258): [] __tcp_close+0x380/0xb7e [ 1490.695312][ T2000] ---[ end trace 278580e40419fdd8 ]--- [ 1490.701360][ T2000] ------------[ cut here ]------------ [ 1490.702350][ T2000] WARNING: CPU: 1 PID: 2000 at net/core/stream.c:208 sk_stream_kill_queues+0x284/0x294 [ 1490.703628][ T2000] Modules linked in: [ 1490.704527][ T2000] CPU: 1 PID: 2000 Comm: sshd Tainted: G W 5.15.0-rc1-syzkaller-00001-g64a19591a293 #0 [ 1490.706333][ T2000] Hardware name: riscv-virtio,qemu (DT) [ 1490.707106][ T2000] epc : sk_stream_kill_queues+0x284/0x294 [ 1490.707981][ T2000] ra : sk_stream_kill_queues+0x284/0x294 [ 1490.708870][ T2000] epc : ffffffff821eb2a6 ra : ffffffff821eb2a6 sp : ffffffe00ca03b50 [ 1490.709825][ T2000] gp : ffffffff83f9a558 tp : ffffffe00d148000 t0 : 0000000000000000 [ 1490.710701][ T2000] t1 : ffffffc40b5beb21 t2 : ffffffffffffffff s0 : ffffffe00ca03b90 [ 1490.711522][ T2000] s1 : 00000000000001c0 a0 : 0000000000000000 a1 : 00000000000f0000 [ 1490.712356][ T2000] a2 : 0000000000000002 a3 : ffffffff821eb2a6 a4 : ffffffe00d149000 [ 1490.713173][ T2000] a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe05adf590b [ 1490.714007][ T2000] s2 : fffffffffffffe40 s3 : 00000000000001c0 s4 : 0000000000001000 [ 1490.715077][ T2000] s5 : ffffffe00a9aa560 s6 : ffffffe00a9aa500 s7 : ffffffe00a9aa3a0 [ 1490.716475][ T2000] s8 : ffffffe00a9aa352 s9 : 0000000000000000 s10: 0000000000000008 [ 1490.717297][ T2000] s11: 0000000000000000 t3 : 7a4891b67f245700 t4 : ffffffc40b5beb21 [ 1490.718132][ T2000] t5 : ffffffc40b5beb22 t6 : 00000000025db4d8 [ 1490.719355][ T2000] status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003 [ 1490.720624][ T2000] [] sk_stream_kill_queues+0x284/0x294 [ 1490.722197][ T2000] [] inet_csk_destroy_sock+0x106/0x2a6 [ 1490.723571][ T2000] [] __tcp_close+0x9b0/0xb7e [ 1490.724958][ T2000] [] tcp_close+0x2e/0xd8 [ 1490.726897][ T2000] [] inet_release+0xd4/0x15c [ 1490.728211][ T2000] [] __sock_release+0x88/0x17e [ 1490.729448][ T2000] [] sock_close+0x1e/0x2a [ 1490.730784][ T2000] [] __fput+0x166/0x4f8 [ 1490.732129][ T2000] [] ____fput+0x1a/0x24 [ 1490.733350][ T2000] [] task_work_run+0xdc/0x154 [ 1490.734796][ T2000] [] do_notify_resume+0x7a4/0x912 [ 1490.736877][ T2000] [] ret_from_exception+0x0/0x14 [ 1490.738132][ T2000] irq event stamp: 2793269 [ 1490.738744][ T2000] hardirqs last enabled at (2793268): [] restore_all+0x12/0x6e [ 1490.739705][ T2000] hardirqs last disabled at (2793269): [] _save_context+0x80/0x90 [ 1490.741018][ T2000] softirqs last enabled at (2793256): [] __tcp_close+0x3da/0xb7e [ 1490.742477][ T2000] softirqs last disabled at (2793258): [] __tcp_close+0x380/0xb7e [ 1490.743953][ T2000] ---[ end trace 278580e40419fdd9 ]--- [ 1490.754549][ T2000] ------------[ cut here ]------------ [ 1490.756638][ T2000] WARNING: CPU: 1 PID: 2000 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x41c/0x43c [ 1490.758058][ T2000] Modules linked in: [ 1490.758840][ T2000] CPU: 1 PID: 2000 Comm: sshd Tainted: G W 5.15.0-rc1-syzkaller-00001-g64a19591a293 #0 [ 1490.760325][ T2000] Hardware name: riscv-virtio,qemu (DT) [ 1490.761001][ T2000] epc : inet_sock_destruct+0x41c/0x43c [ 1490.761838][ T2000] ra : inet_sock_destruct+0x41c/0x43c [ 1490.762661][ T2000] epc : ffffffff82651096 ra : ffffffff82651096 sp : ffffffe00ca03b30 [ 1490.763484][ T2000] gp : ffffffff83f9a558 tp : ffffffe00d148000 t0 : ffffffc4019d3eb8 [ 1490.764243][ T2000] t1 : ffffffc4015354b5 t2 : ffffffffffffffff s0 : ffffffe00ca03b70 [ 1490.765406][ T2000] s1 : ffffffe00a9aa340 a0 : 0000000000000000 a1 : 00000000000f0000 [ 1490.766837][ T2000] a2 : 0000000000000002 a3 : ffffffff82651096 a4 : ffffffe00d149000 [ 1490.767849][ T2000] a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe00a9aa5af [ 1490.768781][ T2000] s2 : fffffffffffffe40 s3 : 0000000000001000 s4 : ffffffe00a9aa370 [ 1490.769849][ T2000] s5 : ffffffe00a9aa490 s6 : ffffffe00a489ba8 s7 : ffffffe00a489b90 [ 1490.771037][ T2000] s8 : ffffffe0077a4320 s9 : ffffffe008fc5d60 s10: 0000000000000008 [ 1490.771946][ T2000] s11: 0000000000000000 t3 : 7a4891b67f245700 t4 : ffffffc4015354b5 [ 1490.772756][ T2000] t5 : ffffffc4015354b6 t6 : 0000000000000005 [ 1490.773517][ T2000] status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003 [ 1490.774853][ T2000] [] inet_sock_destruct+0x41c/0x43c [ 1490.776623][ T2000] [] __sk_destruct+0x42/0x5a6 [ 1490.777530][ T2000] [] __sk_free+0x120/0x29a [ 1490.778407][ T2000] [] sk_free+0x9c/0xb4 [ 1490.779512][ T2000] [] tcp_close+0xc0/0xd8 [ 1490.780599][ T2000] [] inet_release+0xd4/0x15c [ 1490.781490][ T2000] [] __sock_release+0x88/0x17e [ 1490.782353][ T2000] [] sock_close+0x1e/0x2a [ 1490.783203][ T2000] [] __fput+0x166/0x4f8 [ 1490.784304][ T2000] [] ____fput+0x1a/0x24 [ 1490.786219][ T2000] [] task_work_run+0xdc/0x154 [ 1490.787728][ T2000] [] do_notify_resume+0x7a4/0x912 [ 1490.788652][ T2000] [] ret_from_exception+0x0/0x14 [ 1490.789828][ T2000] irq event stamp: 2793400 [ 1490.790391][ T2000] hardirqs last enabled at (2793399): [] __local_bh_enable_ip+0x19c/0x294 [ 1490.791481][ T2000] hardirqs last disabled at (2793400): [] _save_context+0x80/0x90 [ 1490.792467][ T2000] softirqs last enabled at (2793398): [] release_sock+0xf6/0x122 [ 1490.793460][ T2000] softirqs last disabled at (2793396): [] release_sock+0x2a/0x122 [ 1490.794436][ T2000] ---[ end trace 278580e40419fdda ]--- [ 1490.800378][ T2000] ------------[ cut here ]------------ [ 1490.801093][ T2000] WARNING: CPU: 1 PID: 2000 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x3f8/0x43c [ 1490.802210][ T2000] Modules linked in: [ 1490.802905][ T2000] CPU: 1 PID: 2000 Comm: sshd Tainted: G W 5.15.0-rc1-syzkaller-00001-g64a19591a293 #0 [ 1490.803905][ T2000] Hardware name: riscv-virtio,qemu (DT) [ 1490.804536][ T2000] epc : inet_sock_destruct+0x3f8/0x43c [ 1490.805876][ T2000] ra : inet_sock_destruct+0x3f8/0x43c [ 1490.806808][ T2000] epc : ffffffff82651072 ra : ffffffff82651072 sp : ffffffe00ca03b30 [ 1490.807638][ T2000] gp : ffffffff83f9a558 tp : ffffffe00d148000 t0 : ffffffc4019d3eb8 [ 1490.808447][ T2000] t1 : ffffffc4015354b5 t2 : ffffffffffffffff s0 : ffffffe00ca03b70 [ 1490.809397][ T2000] s1 : ffffffe00a9aa340 a0 : 0000000000000000 a1 : 00000000000f0000 [ 1490.810380][ T2000] a2 : 0000000000000002 a3 : ffffffff82651072 a4 : ffffffe00d149000 [ 1490.811402][ T2000] a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe00a9aa5af [ 1490.812230][ T2000] s2 : 00000000000001c0 s3 : 0000000000001000 s4 : ffffffe00a9aa370 [ 1490.813182][ T2000] s5 : ffffffe00a9aa490 s6 : ffffffe00a489ba8 s7 : ffffffe00a489b90 [ 1490.814239][ T2000] s8 : ffffffe0077a4320 s9 : ffffffe008fc5d60 s10: 0000000000000008 [ 1490.816134][ T2000] s11: 0000000000000000 t3 : 7a4891b67f245700 t4 : ffffffc4015354b5 [ 1490.817937][ T2000] t5 : ffffffc4015354b6 t6 : 0000000000000005 [ 1490.818927][ T2000] status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003 [ 1490.819954][ T2000] [] inet_sock_destruct+0x3f8/0x43c [ 1490.821278][ T2000] [] __sk_destruct+0x42/0x5a6 [ 1490.822598][ T2000] [] __sk_free+0x120/0x29a [ 1490.823956][ T2000] [] sk_free+0x9c/0xb4 [ 1490.825822][ T2000] [] tcp_close+0xc0/0xd8 [ 1490.827946][ T2000] [] inet_release+0xd4/0x15c [ 1490.829397][ T2000] [] __sock_release+0x88/0x17e [ 1490.830665][ T2000] [] sock_close+0x1e/0x2a [ 1490.831905][ T2000] [] __fput+0x166/0x4f8 [ 1490.833162][ T2000] [] ____fput+0x1a/0x24 [ 1490.834342][ T2000] [] task_work_run+0xdc/0x154 [ 1490.836477][ T2000] [] do_notify_resume+0x7a4/0x912 [ 1490.837838][ T2000] [] ret_from_exception+0x0/0x14 [ 1490.839131][ T2000] irq event stamp: 2793418 [ 1490.839972][ T2000] hardirqs last enabled at (2793417): [] restore_all+0x12/0x6e [ 1490.841508][ T2000] hardirqs last disabled at (2793418): [] _save_context+0x80/0x90 [ 1490.843053][ T2000] softirqs last enabled at (2793412): [] __do_softirq+0x5f8/0x8dc [ 1490.844780][ T2000] softirqs last disabled at (2793403): [] __irq_exit_rcu+0x142/0x1f8 [ 1490.847499][ T2000] ---[ end trace 278580e40419fddb ]--- VM DIAGNOSIS: 03:37:15 Registers: info registers vcpu 0 pc ffffffff800db028 mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff801b0888 sepc ffffffff803eb3ea mcause 8000000000000003 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff800db014 x2/sp ffffffe00ca027d0 x3/gp ffffffff83f9a558 x4/tp ffffffe00d148000 x5/t0 ffffffff852b6bd7 x6/t1 0000000000000001 x7/t2 0000000000000000 x8/s0 ffffffe00ca02890 x9/s1 ffffffff82e27880 x10/a0 ffffffe05adc8880 x11/a1 0000000000000003 x12/a2 1ffffffc0b5b9110 x13/a3 ffffffff800db014 x14/a4 0000000000000000 x15/a5 0000000000000120 x16/a6 0000000000f00000 x17/a7 ffffffff80194cf6 x18/s2 ffffffff85302728 x19/s3 ffffffe05adc8880 x20/s4 0000000000000001 x21/s5 0000000000000000 x22/s6 ffffffe05adcbc98 x23/s7 0000000000000000 x24/s8 0000000000000000 x25/s9 ffffffff80194cf6 x26/s10 ffffffff83f9e0d0 x27/s11 0000000000000000 x28/t3 7a4891b67f245700 x29/t4 ffffffc40b5bb321 x30/t5 ffffffc40b5bb322 x31/t6 ffffffe00ca026c8 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 pc ffffffff800d139c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff801b08a8 sepc ffffffff801b08a8 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff82bd7058 x2/sp ffffffe00a27b700 x3/gp ffffffff83f9a558 x4/tp ffffffe00ca70000 x5/t0 0000000000046000 x6/t1 ffffffc40b5beb21 x7/t2 0000000000000000 x8/s0 ffffffe00a27b710 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffffffc0194e001 x13/a3 ffffffff80105aaa x14/a4 0000000000010002 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffe05adf590b x18/s2 ffffffff83f9e1f0 x19/s3 ffffffff83d2b438 x20/s4 ffffffe05ade71d8 x21/s5 ffffffff82e27880 x22/s6 ffffffffffffffff x23/s7 0000000000000000 x24/s8 ffffffff85302728 x25/s9 ffffffff83f9e0d0 x26/s10 ffffffe05ade71c0 x27/s11 ffffffff801473d8 x28/t3 7a4891b67f245700 x29/t4 ffffffc40b5beb21 x30/t5 ffffffc40b5beb22 x31/t6 0000000000081710 f0/ft0 40052c566ee47fa9 f1/ft1 4143a70800000000 f2/ft2 3fd82e780f979a78 f3/ft3 41d3cb4bee000000 f4/ft4 4119410000000000 f5/ft5 403395c01a39fbd7 f6/ft6 3fe0000000000000 f7/ft7 3f999999999999a0 f8/fs0 3febb2ba24e1d973 f9/fs1 3f75c433b1f7ed80 f10/fa0 3f94e3d232cb1bbd 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