syzkaller login: [ 271.400818][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 271.522035][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 271.603431][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 281.912923][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:7574' (ECDSA) to the list of known hosts. 1970/01/01 00:06:09 fuzzer started 1970/01/01 00:06:23 dialing manager at localhost:37463 [ 393.157197][ T2026] cgroup: Unknown subsys name 'net' [ 394.271686][ T2026] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:34 syscalls: 2918 1970/01/01 00:06:34 code coverage: enabled 1970/01/01 00:06:34 comparison tracing: enabled 1970/01/01 00:06:34 extra coverage: enabled 1970/01/01 00:06:34 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:34 setuid sandbox: enabled 1970/01/01 00:06:34 namespace sandbox: enabled 1970/01/01 00:06:34 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:34 fault injection: enabled 1970/01/01 00:06:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:34 net packet injection: enabled 1970/01/01 00:06:34 net device setup: enabled 1970/01/01 00:06:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:34 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:34 USB emulation: enabled 1970/01/01 00:06:34 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:34 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:34 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:34 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:38 fetching corpus: 50, signal 28107/31648 (executing program) 1970/01/01 00:06:41 fetching corpus: 100, signal 40413/45395 (executing program) 1970/01/01 00:06:47 fetching corpus: 150, signal 54817/60944 (executing program) 1970/01/01 00:06:49 fetching corpus: 199, signal 60930/68338 (executing program) 1970/01/01 00:06:51 fetching corpus: 247, signal 64698/73436 (executing program) 1970/01/01 00:06:53 fetching corpus: 296, signal 70453/80319 (executing program) 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fetching corpus: 9745, signal 241323/244509 (executing program) 1970/01/01 00:14:53 fetching corpus: 9795, signal 241716/244509 (executing program) 1970/01/01 00:14:55 fetching corpus: 9845, signal 242105/244532 (executing program) 1970/01/01 00:14:57 fetching corpus: 9895, signal 242529/244541 (executing program) 1970/01/01 00:14:59 fetching corpus: 9945, signal 242893/244545 (executing program) 1970/01/01 00:15:00 fetching corpus: 9953, signal 242939/244545 (executing program) 1970/01/01 00:15:00 fetching corpus: 9953, signal 242939/244545 (executing program) 1970/01/01 00:16:42 starting 2 fuzzer processes 00:16:43 executing program 0: r0 = socket$inet_smc(0x2b, 0x1, 0x0) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000000200), &(0x7f0000000240)=0x14) 00:16:43 executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000002080), 0x2, 0x0) mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x4000}}) read$FUSE(r0, &(0x7f00000021c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r0, &(0x7f0000004200)={0x50, 0x0, r1, {0x7, 0x21}}, 0x50) openat$dir(0xffffffffffffff9c, &(0x7f0000004280)='./file0\x00', 0x0, 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000002000)='./file0\x00', 0x0, 0x0) syz_fuse_handle_req(r0, &(0x7f00000042c0), 0x2000, &(0x7f00000062c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f0000006d00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000006680)={0x78, 0x0, 0x0, {0xd3, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x2}}}, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 1031.546825][ C0] ================================================================== [ 1031.550437][ C0] BUG: KASAN: slab-out-of-bounds in walk_stackframe+0x11c/0x260 [ 1031.551946][ C0] Read of size 8 at addr ffffaf8010497fc0 by task syz-executor.0/2047 [ 1031.553714][ C0] [ 1031.554946][ C0] CPU: 0 PID: 2047 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1031.556212][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1031.557040][ C0] Call Trace: [ 1031.557860][ C0] [] dump_backtrace+0x2e/0x3c [ 1031.559170][ C0] [] show_stack+0x34/0x40 [ 1031.560428][ C0] [] dump_stack_lvl+0xe4/0x150 [ 1031.561833][ C0] [] print_address_description.constprop.0+0x2a/0x330 [ 1031.563340][ C0] [] kasan_report+0x184/0x1e0 [ 1031.564651][ C0] [] __asan_load8+0x6e/0x96 [ 1031.565891][ C0] [] walk_stackframe+0x11c/0x260 [ 1031.567141][ C0] [] arch_stack_walk+0x2c/0x3c [ 1031.569028][ C0] [] stack_trace_save+0xa6/0xd8 [ 1031.570405][ C0] [ 1031.571136][ C0] Allocated by task 1102416563: [ 1031.571872][ C0] (stack is not available) [ 1031.572542][ C0] [ 1031.573087][ C0] Freed by task 2194: [ 1031.573792][ C0] stack_trace_save+0xa6/0xd8 [ 1031.574754][ C0] kasan_save_stack+0x2c/0x58 [ 1031.575646][ C0] kasan_set_track+0x1a/0x26 [ 1031.576536][ C0] kasan_set_free_info+0x1e/0x3a [ 1031.577527][ C0] ____kasan_slab_free+0x15e/0x180 [ 1031.578964][ C0] __kasan_slab_free+0x10/0x18 [ 1031.579925][ C0] slab_free_freelist_hook+0x8e/0x1cc [ 1031.580810][ C0] kmem_cache_free+0xca/0x482 [ 1031.581705][ C0] putname+0xd8/0xe4 [ 1031.582490][ C0] user_path_at_empty+0x46/0x5a [ 1031.583358][ C0] user_statfs+0xa2/0x186 [ 1031.584168][ C0] __do_sys_statfs+0x92/0xfe [ 1031.585030][ C0] sys_statfs+0x20/0x2c [ 1031.585850][ C0] ret_from_syscall+0x0/0x2 [ 1031.586739][ C0] [ 1031.587374][ C0] Last potentially related work creation: [ 1031.588692][ C0] ------------[ cut here ]------------ [ 1031.589888][ C0] slab index 1177136 out of bounds (290) for stack id 8451f630 [ 1031.593292][ C0] WARNING: CPU: 0 PID: 2047 at lib/stackdepot.c:304 stack_depot_print+0x66/0x70 [ 1031.594736][ C0] Modules linked in: [ 1031.595626][ C0] CPU: 0 PID: 2047 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1031.596811][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1031.598005][ C0] epc : stack_depot_print+0x66/0x70 [ 1031.599320][ C0] ra : stack_depot_print+0x66/0x70 [ 1031.600280][ C0] epc : ffffffff80c00b8a ra : ffffffff80c00b8a sp : ffffaf8010497e50 [ 1031.601362][ C0] gp : ffffffff85863ac0 tp : ffffaf800e6c9840 t0 : ffffffff86bcb657 [ 1031.602349][ C0] t1 : fffff5ef0b53910c t2 : 0000000000000000 s0 : ffffaf8010497e60 [ 1031.603321][ C0] s1 : ffffaf807aadd880 a0 : 000000000000003c a1 : 00000000000f0000 [ 1031.604213][ C0] a2 : 0000000000000504 a3 : ffffffff8012252a a4 : 2c9669d909bb5600 [ 1031.605180][ C0] a5 : 2c9669d909bb5600 a6 : 0000000000f00000 a7 : ffffaf805a9c8863 [ 1031.606147][ C0] s2 : ffffaf8010497fc0 s3 : ffffaf80072e9b40 s4 : ffffaf8010496600 [ 1031.607053][ C0] s5 : ffffaf8010497600 s6 : 0000000000003fff s7 : ffffaf8010497fb0 [ 1031.608777][ C0] s8 : ffffffff8000a4a4 s9 : ffffffffffffc000 s10: ffffaf8010498000 [ 1031.610528][ C0] s11: 0000000000000008 t3 : fffffffff3f3f300 t4 : fffff5ef0b53910c [ 1031.611482][ C0] t5 : fffff5ef0b53910d t6 : ffffaf8010497958 [ 1031.612298][ C0] status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 [ 1031.613438][ C0] [] print_address_description.constprop.0+0x2fc/0x330 [ 1031.614641][ C0] [] kasan_report+0x184/0x1e0 [ 1031.615633][ C0] [] __asan_load8+0x6e/0x96 [ 1031.616617][ C0] [] walk_stackframe+0x11c/0x260 [ 1031.618122][ C0] [] arch_stack_walk+0x2c/0x3c [ 1031.619600][ C0] [] stack_trace_save+0xa6/0xd8 [ 1031.620703][ C0] irq event stamp: 26533 [ 1031.621401][ C0] hardirqs last enabled at (26532): [] ip_finish_output2+0x157a/0x1720 [ 1031.622630][ C0] hardirqs last disabled at (26533): [] _raw_spin_lock_irqsave+0x60/0x62 [ 1031.623847][ C0] softirqs last enabled at (26402): [] __do_softirq+0x618/0x8fc [ 1031.624990][ C0] softirqs last disabled at (26411): [] __irq_exit_rcu+0x142/0x1f8 [ 1031.626109][ C0] ---[ end trace 0000000000000000 ]--- [ 1031.627123][ C0] [ 1031.627846][ C0] Second to last potentially related work creation: [ 1031.629112][ C0] ------------[ cut here ]------------ [ 1031.629876][ C0] slab index 2097151 out of bounds (290) for stack id ffffffff [ 1031.632496][ C0] WARNING: CPU: 0 PID: 2047 at lib/stackdepot.c:304 stack_depot_print+0x66/0x70 [ 1031.633819][ C0] Modules linked in: [ 1031.634747][ C0] CPU: 0 PID: 2047 Comm: syz-executor.0 Tainted: G W 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1031.635954][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1031.636702][ C0] epc : stack_depot_print+0x66/0x70 [ 1031.638318][ C0] ra : stack_depot_print+0x66/0x70 [ 1031.639547][ C0] epc : ffffffff80c00b8a ra : ffffffff80c00b8a sp : ffffaf8010497e50 [ 1031.640722][ C0] gp : ffffffff85863ac0 tp : ffffaf800e6c9840 t0 : ffffffff86bcb657 [ 1031.641975][ C0] t1 : fffff5ef0b53910c t2 : 0000000000000000 s0 : ffffaf8010497e60 [ 1031.643158][ C0] s1 : ffffaf807aadd880 a0 : 000000000000003c a1 : 00000000000f0000 [ 1031.644324][ C0] a2 : 0000000000000504 a3 : ffffffff8012252a a4 : 2c9669d909bb5600 [ 1031.645447][ C0] a5 : 2c9669d909bb5600 a6 : 0000000000f00000 a7 : ffffaf805a9c8863 [ 1031.646551][ C0] s2 : ffffaf8010497fc0 s3 : ffffaf80072e9b40 s4 : ffffaf8010496600 [ 1031.648306][ C0] s5 : ffffaf8010497600 s6 : 0000000000003fff s7 : ffffaf8010497fb0 [ 1031.650293][ C0] s8 : ffffffff8000a4a4 s9 : ffffffffffffc000 s10: ffffaf8010498000 [ 1031.651425][ C0] s11: 0000000000000008 t3 : fffffffff3f3f300 t4 : fffff5ef0b53910c [ 1031.652628][ C0] t5 : fffff5ef0b53910d t6 : ffffaf8010497958 [ 1031.653606][ C0] status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 [ 1031.654774][ C0] [] print_address_description.constprop.0+0x2ae/0x330 [ 1031.656300][ C0] [] kasan_report+0x184/0x1e0 [ 1031.658202][ C0] [] __asan_load8+0x6e/0x96 [ 1031.660209][ C0] [] walk_stackframe+0x11c/0x260 [ 1031.661680][ C0] [] arch_stack_walk+0x2c/0x3c [ 1031.662999][ C0] [] stack_trace_save+0xa6/0xd8 [ 1031.664422][ C0] irq event stamp: 26533 [ 1031.665274][ C0] hardirqs last enabled at (26532): [] ip_finish_output2+0x157a/0x1720 [ 1031.666857][ C0] hardirqs last disabled at (26533): [] _raw_spin_lock_irqsave+0x60/0x62 [ 1031.669159][ C0] softirqs last enabled at (26402): [] __do_softirq+0x618/0x8fc [ 1031.670874][ C0] softirqs last disabled at (26411): [] __irq_exit_rcu+0x142/0x1f8 [ 1031.672452][ C0] ---[ end trace 0000000000000000 ]--- [ 1031.673518][ C0] [ 1031.674210][ C0] The buggy address belongs to the object at ffffaf8010496600 [ 1031.674210][ C0] which belongs to the cache names_cache of size 4096 [ 1031.675993][ C0] The buggy address is located 2496 bytes to the right of [ 1031.675993][ C0] 4096-byte region [ffffaf8010496600, ffffaf8010497600) [ 1031.678073][ C0] The buggy address belongs to the page: [ 1031.680109][ C0] page:ffffaf807aadd880 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x90690 [ 1031.682049][ C0] head:ffffaf807aadd880 order:3 compound_mapcount:0 compound_pincount:0 [ 1031.683686][ C0] flags: 0x9000010200(slab|head|section=18|node=0|zone=0) [ 1031.686597][ C0] raw: 0000009000010200 0000000000000000 0000000000000122 ffffaf80072e9b40 [ 1031.688818][ C0] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 1031.691335][ C0] raw: 00000000000007ff [ 1031.692356][ C0] page dumped because: kasan: bad access detected [ 1031.693740][ C0] page_owner tracks the page as allocated [ 1031.694735][ C0] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2194, ts 1028513853300, free_ts 1028094329400 [ 1031.697068][ C0] __set_page_owner+0x48/0x136 [ 1031.698813][ C0] post_alloc_hook+0xd0/0x10a [ 1031.700007][ C0] get_page_from_freelist+0x8da/0x12d8 [ 1031.701319][ C0] __alloc_pages+0x150/0x3b6 [ 1031.702486][ C0] alloc_pages+0x132/0x2a6 [ 1031.703709][ C0] alloc_slab_page.constprop.0+0xc2/0xfa [ 1031.704964][ C0] new_slab+0x25a/0x2cc [ 1031.706099][ C0] ___slab_alloc+0x56e/0x918 [ 1031.707276][ C0] __slab_alloc.constprop.0+0x50/0x8c [ 1031.709030][ C0] kmem_cache_alloc+0x39c/0x3de [ 1031.710174][ C0] getname_flags.part.0+0x48/0x2a4 [ 1031.711303][ C0] getname+0x5e/0x90 [ 1031.712322][ C0] do_sys_openat2+0x112/0x31e [ 1031.713586][ C0] sys_openat+0xdc/0x164 [ 1031.714695][ C0] ret_from_syscall+0x0/0x2 [ 1031.715906][ C0] page last free stack trace: [ 1031.716780][ C0] __reset_page_owner+0x4a/0xea [ 1031.718289][ C0] free_pcp_prepare+0x29c/0x45e [ 1031.719569][ C0] free_unref_page+0x6a/0x31e [ 1031.720729][ C0] __free_pages+0xe2/0x112 [ 1031.721866][ C0] __free_slab+0x122/0x27c [ 1031.723072][ C0] discard_slab+0x4c/0x7a [ 1031.724195][ C0] __slab_free+0x20a/0x29c [ 1031.725315][ C0] ___cache_free+0x17c/0x354 [ 1031.726455][ C0] qlist_free_all+0x7c/0x132 [ 1031.727925][ C0] kasan_quarantine_reduce+0x14c/0x1c8 [ 1031.729531][ C0] __kasan_slab_alloc+0x5c/0x98 [ 1031.730772][ C0] kmem_cache_alloc_trace+0x278/0x2e0 [ 1031.732086][ C0] __request_module+0x2c2/0x922 [ 1031.733219][ C0] __rtnl_newlink+0x65a/0xfa0 [ 1031.734348][ C0] rtnl_newlink+0x60/0x8c [ 1031.735405][ C0] rtnetlink_rcv_msg+0x338/0x9a0 [ 1031.736773][ C0] [ 1031.737647][ C0] Memory state around the buggy address: [ 1031.739540][ C0] ffffaf8010497e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1031.740778][ C0] ffffaf8010497f00: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00 [ 1031.741991][ C0] >ffffaf8010497f80: 00 00 00 00 00 00 00 00 fc fc fc fc f1 f1 f1 f1 [ 1031.743085][ C0] ^ [ 1031.744325][ C0] ffffaf8010498000: 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00 [ 1031.745607][ C0] ffffaf8010498080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 1031.746994][ C0] ================================================================== [ 1031.748940][ C0] Disabling lock debugging due to kernel taint [ 1031.753283][ T2047] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1031.754487][ T2047] CPU: 0 PID: 2047 Comm: syz-executor.0 Tainted: G B W 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1031.755971][ T2047] Hardware name: riscv-virtio,qemu (DT) [ 1031.756791][ T2047] Call Trace: [ 1031.757535][ T2047] [] dump_backtrace+0x2e/0x3c [ 1031.758706][ T2047] [] show_stack+0x34/0x40 [ 1031.759774][ T2047] [] dump_stack_lvl+0xe4/0x150 [ 1031.760942][ T2047] [] dump_stack+0x1c/0x24 [ 1031.762153][ T2047] [] panic+0x24a/0x634 [ 1031.763185][ T2047] [] schedule+0x0/0x14c [ 1031.764292][ T2047] [] preempt_schedule_irq+0x4a/0x13e [ 1031.765502][ T2047] [] resume_kernel+0x16/0x18 [ 1031.766800][ T2047] SMP: stopping secondary CPUs [ 1031.769636][ T2047] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:01:29 Registers: info registers vcpu 0 pc ffffffff80dc15ca mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475ab2 sepc ffffffff80200f00 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc15ca x2/sp ffffaf8010497930 x3/gp ffffffff85863ac0 x4/tp ffffaf800e6c9840 x5/t0 ffffffff86bcb657 x6/t1 2c9669d909bb5600 x7/t2 0000000000000000 x8/s0 ffffaf8010497950 x9/s1 ffffffff86e58900 x10/a0 ffff8f800066c005 x11/a1 0000000000000007 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc15ca x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc9fe x18/s2 0000000000000005 x19/s3 0000000000002710 x20/s4 0000000000000020 x21/s5 ffffffff86e58b98 x22/s6 ffffffff86e58950 x23/s7 ffffffff86bcb658 x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f002092edc x31/t6 ffffffff86bcb657 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 ffffffff80119b52 mhartid 0000000000000001 mstatus 00000000000000a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fffa5430264 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80119b52 x2/sp ffffaf800b7fb7e0 x3/gp ffffffff85863ac0 x4/tp ffffaf8009b06100 x5/t0 00000000000001f8 x6/t1 2c9669d909bb5600 x7/t2 ffffffffffffffff x8/s0 ffffaf800b7fb820 x9/s1 ffffaf800c859898 x10/a0 ffffaf800c859898 x11/a1 0000000000000003 x12/a2 1ffff5f00190b313 x13/a3 ffffffff80119b52 x14/a4 0000000000000000 x15/a5 ffffaf800c859898 x16/a6 0000000000f00000 x17/a7 ffffffff826e6226 x18/s2 0000000000000001 x19/s3 ffffaf8009b06100 x20/s4 ffffaf800c8598a8 x21/s5 ffffaf800c8598a0 x22/s6 ffffaf800b7fb960 x23/s7 ffffaf800b7fbb00 x24/s8 0000000000000000 x25/s9 0000000000004000 x26/s10 0000000000000040 x27/s11 0000000000000001 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0016ff6b4 x31/t6 0000000001ac4227 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