syzkaller login: [ 280.476621][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 280.527974][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 280.582447][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:7486' (ECDSA) to the list of known hosts. 1970/01/01 00:05:57 fuzzer started 1970/01/01 00:06:10 dialing manager at localhost:39321 [ 376.310519][ T2027] cgroup: Unknown subsys name 'net' [ 377.541232][ T2027] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:17 syscalls: 2918 1970/01/01 00:06:17 code coverage: enabled 1970/01/01 00:06:17 comparison tracing: enabled 1970/01/01 00:06:17 extra coverage: enabled 1970/01/01 00:06:17 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:17 setuid sandbox: enabled 1970/01/01 00:06:17 namespace sandbox: enabled 1970/01/01 00:06:17 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:17 fault injection: enabled 1970/01/01 00:06:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:17 net packet injection: enabled 1970/01/01 00:06:17 net device setup: enabled 1970/01/01 00:06:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:17 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:17 USB emulation: enabled 1970/01/01 00:06:17 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:17 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:17 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:17 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:22 fetching corpus: 49, signal 31858/35426 (executing program) 1970/01/01 00:06:26 fetching corpus: 99, signal 44454/49568 (executing program) 1970/01/01 00:06:31 fetching corpus: 149, signal 58569/65023 (executing program) 1970/01/01 00:06:34 fetching corpus: 199, signal 64261/72174 (executing program) 1970/01/01 00:06:37 fetching corpus: 249, signal 70840/80066 (executing program) 1970/01/01 00:06:39 fetching corpus: 298, signal 75063/85618 (executing program) 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1970/01/01 00:17:42 fetching corpus: 12756, signal 278869/300277 (executing program) 1970/01/01 00:17:47 fetching corpus: 12806, signal 279268/300277 (executing program) 1970/01/01 00:17:50 fetching corpus: 12856, signal 279571/300277 (executing program) 1970/01/01 00:17:53 fetching corpus: 12906, signal 279851/300278 (executing program) 1970/01/01 00:17:55 fetching corpus: 12956, signal 280177/300278 (executing program) 1970/01/01 00:17:57 fetching corpus: 13006, signal 280564/300278 (executing program) 1970/01/01 00:17:59 fetching corpus: 13055, signal 280839/300278 (executing program) 1970/01/01 00:18:02 fetching corpus: 13105, signal 281078/300278 (executing program) 1970/01/01 00:18:05 fetching corpus: 13154, signal 281458/300278 (executing program) 1970/01/01 00:18:07 fetching corpus: 13204, signal 281775/300278 (executing program) 1970/01/01 00:18:11 fetching corpus: 13253, signal 282003/300278 (executing program) 1970/01/01 00:18:14 fetching corpus: 13302, signal 282287/300278 (executing program) 1970/01/01 00:18:18 fetching corpus: 13352, signal 282532/300278 (executing program) 1970/01/01 00:18:20 fetching corpus: 13402, signal 282773/300280 (executing program) 1970/01/01 00:18:23 fetching corpus: 13452, signal 283047/300280 (executing program) 1970/01/01 00:18:25 fetching corpus: 13500, signal 283387/300283 (executing program) 1970/01/01 00:18:28 fetching corpus: 13549, signal 283642/300283 (executing program) 1970/01/01 00:18:31 fetching corpus: 13599, signal 283932/300283 (executing program) 1970/01/01 00:18:32 fetching corpus: 13649, signal 284154/300283 (executing program) 1970/01/01 00:18:35 fetching corpus: 13699, signal 284422/300283 (executing program) 1970/01/01 00:18:38 fetching corpus: 13749, signal 284702/300283 (executing program) 1970/01/01 00:18:40 fetching corpus: 13799, signal 285027/300283 (executing program) 1970/01/01 00:18:42 fetching corpus: 13848, signal 285323/300283 (executing program) 1970/01/01 00:18:44 fetching corpus: 13898, signal 285558/300283 (executing program) 1970/01/01 00:18:47 fetching corpus: 13947, signal 285883/300284 (executing program) 1970/01/01 00:18:49 fetching corpus: 13997, signal 286215/300284 (executing program) 1970/01/01 00:18:51 fetching corpus: 14047, signal 286447/300284 (executing program) 1970/01/01 00:18:54 fetching corpus: 14097, signal 286766/300284 (executing program) 1970/01/01 00:18:56 fetching corpus: 14146, signal 287007/300311 (executing program) 1970/01/01 00:19:00 fetching corpus: 14196, signal 287319/300311 (executing program) 1970/01/01 00:19:03 fetching corpus: 14246, signal 287644/300311 (executing program) 1970/01/01 00:19:07 fetching corpus: 14296, signal 287983/300311 (executing program) 1970/01/01 00:19:11 fetching corpus: 14345, signal 288333/300312 (executing program) 1970/01/01 00:19:14 fetching corpus: 14395, signal 288619/300319 (executing program) 1970/01/01 00:19:17 fetching corpus: 14444, signal 288817/300320 (executing program) 1970/01/01 00:19:20 fetching corpus: 14494, signal 289080/300320 (executing program) 1970/01/01 00:19:22 fetching corpus: 14543, signal 289337/300323 (executing program) 1970/01/01 00:19:25 fetching corpus: 14593, signal 289619/300323 (executing program) 1970/01/01 00:19:27 fetching corpus: 14642, signal 289820/300326 (executing program) 1970/01/01 00:19:31 fetching corpus: 14692, signal 290073/300326 (executing program) 1970/01/01 00:19:33 fetching corpus: 14741, signal 290289/300330 (executing program) 1970/01/01 00:19:36 fetching corpus: 14791, signal 290663/300330 (executing program) 1970/01/01 00:19:39 fetching corpus: 14841, signal 290963/300330 (executing program) 1970/01/01 00:19:41 fetching corpus: 14890, signal 291248/300335 (executing program) 1970/01/01 00:19:43 fetching corpus: 14939, signal 291585/300335 (executing program) 1970/01/01 00:19:45 fetching corpus: 14989, signal 291822/300335 (executing program) 1970/01/01 00:19:47 fetching corpus: 15039, signal 292064/300335 (executing program) 1970/01/01 00:19:48 fetching corpus: 15088, signal 292445/300336 (executing program) 1970/01/01 00:19:50 fetching corpus: 15138, signal 292655/300338 (executing program) 1970/01/01 00:19:52 fetching corpus: 15188, signal 292931/300338 (executing program) 1970/01/01 00:19:56 fetching corpus: 15238, signal 293300/300344 (executing program) 1970/01/01 00:19:59 fetching corpus: 15287, signal 293627/300345 (executing program) 1970/01/01 00:20:02 fetching corpus: 15334, signal 294033/300345 (executing program) 1970/01/01 00:20:04 fetching corpus: 15383, signal 294393/300345 (executing program) 1970/01/01 00:20:06 fetching corpus: 15433, signal 294661/300345 (executing program) 1970/01/01 00:20:08 fetching corpus: 15481, signal 294874/300345 (executing program) 1970/01/01 00:20:11 fetching corpus: 15531, signal 295181/300345 (executing program) 1970/01/01 00:20:14 fetching corpus: 15581, signal 295468/300345 (executing program) 1970/01/01 00:20:16 fetching corpus: 15631, signal 295751/300347 (executing program) 1970/01/01 00:20:18 fetching corpus: 15681, signal 295951/300347 (executing program) 1970/01/01 00:20:21 fetching corpus: 15731, signal 296289/300349 (executing program) 1970/01/01 00:20:24 fetching corpus: 15781, signal 296460/300349 (executing program) 1970/01/01 00:20:28 fetching corpus: 15831, signal 296720/300349 (executing program) 1970/01/01 00:20:30 fetching corpus: 15881, signal 296985/300355 (executing program) 1970/01/01 00:20:32 fetching corpus: 15930, signal 297235/300355 (executing program) 1970/01/01 00:20:34 fetching corpus: 15979, signal 297876/300363 (executing program) 1970/01/01 00:20:35 fetching corpus: 15991, signal 297940/300363 (executing program) 1970/01/01 00:20:35 fetching corpus: 15991, signal 297940/300363 (executing program) 1970/01/01 00:22:29 starting 2 fuzzer processes 00:22:29 executing program 0: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) r1 = syz_open_dev$sndpcmc(&(0x7f0000000dc0), 0x0, 0x0) dup3(r1, r0, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(r0, 0x541b, 0x0) 00:22:30 executing program 1: r0 = syz_open_dev$dri(&(0x7f0000000100), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f0000000040)={0x0}) [ 1377.540803][ T2048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1378.509123][ T2048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1379.678781][ T2050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1380.441022][ T2050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1395.689836][ T2048] device hsr_slave_0 entered promiscuous mode [ 1395.785510][ T2048] device hsr_slave_1 entered promiscuous mode [ 1396.298092][ C0] ================================================================== [ 1396.301733][ C0] BUG: KASAN: slab-out-of-bounds in walk_stackframe+0x11c/0x260 [ 1396.303260][ C0] Read of size 8 at addr ffffaf800ccd3f70 by task syz-executor.0/2048 [ 1396.305207][ C0] [ 1396.307479][ C0] CPU: 0 PID: 2048 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1396.309167][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1396.310365][ C0] Call Trace: [ 1396.311314][ C0] [] dump_backtrace+0x2e/0x3c [ 1396.312630][ C0] [] show_stack+0x34/0x40 [ 1396.314132][ C0] [] dump_stack_lvl+0xe4/0x150 [ 1396.316254][ C0] [] print_address_description.constprop.0+0x2a/0x330 [ 1396.317765][ C0] [] kasan_report+0x184/0x1e0 [ 1396.319092][ C0] [] __asan_load8+0x6e/0x96 [ 1396.320320][ C0] [] walk_stackframe+0x11c/0x260 [ 1396.321545][ C0] [] arch_stack_walk+0x2c/0x3c [ 1396.322781][ C0] [] stack_trace_save+0xa6/0xd8 [ 1396.324947][ C0] [ 1396.325973][ C0] Allocated by task 8: [ 1396.326837][ C0] (stack is not available) [ 1396.327630][ C0] [ 1396.328326][ C0] Last potentially related work creation: [ 1396.329236][ C0] ------------[ cut here ]------------ [ 1396.330076][ C0] slab index 1411763 out of bounds (297) for stack id 41b58ab3 [ 1396.333852][ C0] WARNING: CPU: 0 PID: 2048 at lib/stackdepot.c:304 stack_depot_print+0x66/0x70 [ 1396.335634][ C0] Modules linked in: [ 1396.336617][ C0] CPU: 0 PID: 2048 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1396.337810][ C0] Hardware name: riscv-virtio,qemu (DT) [ 1396.338779][ C0] epc : stack_depot_print+0x66/0x70 [ 1396.339980][ C0] ra : stack_depot_print+0x66/0x70 [ 1396.341196][ C0] epc : ffffffff80c00b8a ra : ffffffff80c00b8a sp : ffffaf800ccd3e30 [ 1396.342399][ C0] gp : ffffffff85863ac0 tp : ffffaf800c8f3080 t0 : ffffffff86bcb657 [ 1396.343618][ C0] t1 : fffff5ef0b53910c t2 : 0000000000000000 s0 : ffffaf800ccd3e40 [ 1396.346524][ C0] s1 : ffffaf807a9e2b10 a0 : 000000000000003c a1 : 00000000000f0000 [ 1396.348556][ C0] a2 : 0000000000000504 a3 : ffffffff8012252a a4 : 5405031e400fe800 [ 1396.349843][ C0] a5 : 5405031e400fe800 a6 : 0000000000f00000 a7 : ffffaf805a9c8863 [ 1396.351002][ C0] s2 : ffffaf800ccd3f70 s3 : ffffaf800744c640 s4 : ffffaf800ccd3b80 [ 1396.352153][ C0] s5 : ffffaf800ccd3d58 s6 : 0000000000003fff s7 : ffffaf800ccd3f10 [ 1396.353230][ C0] s8 : 0000000000400000 s9 : ffffffffffffc000 s10: ffffaf800ccd3fe0 [ 1396.355944][ C0] s11: 0000000000000008 t3 : fffffffff3f3f300 t4 : fffff5ef0b53910c [ 1396.357512][ C0] t5 : fffff5ef0b53910d t6 : ffffaf800ccd3938 [ 1396.358585][ C0] status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 [ 1396.359902][ C0] [] print_address_description.constprop.0+0x2fc/0x330 [ 1396.361326][ C0] [] kasan_report+0x184/0x1e0 [ 1396.362632][ C0] [] __asan_load8+0x6e/0x96 [ 1396.364192][ C0] [] walk_stackframe+0x11c/0x260 [ 1396.366086][ C0] [] arch_stack_walk+0x2c/0x3c [ 1396.367357][ C0] [] stack_trace_save+0xa6/0xd8 [ 1396.368754][ C0] irq event stamp: 71055 [ 1396.369588][ C0] hardirqs last enabled at (71054): [] _raw_spin_unlock_irqrestore+0x68/0x98 [ 1396.371147][ C0] hardirqs last disabled at (71055): [] _raw_spin_lock_irqsave+0x60/0x62 [ 1396.372611][ C0] softirqs last enabled at (70924): [] __do_softirq+0x618/0x8fc [ 1396.374872][ C0] softirqs last disabled at (70935): [] __irq_exit_rcu+0x142/0x1f8 [ 1396.378301][ C0] ---[ end trace 0000000000000000 ]--- [ 1396.379864][ C0] [ 1396.380570][ C0] The buggy address belongs to the object at ffffaf800ccd3b80 [ 1396.380570][ C0] which belongs to the cache skbuff_fclone_cache of size 472 [ 1396.382289][ C0] The buggy address is located 536 bytes to the right of [ 1396.382289][ C0] 472-byte region [ffffaf800ccd3b80, ffffaf800ccd3d58) [ 1396.383980][ C0] The buggy address belongs to the page: [ 1396.385879][ C0] page:ffffaf807a9e2b10 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffffaf800ccd3680 pfn:0x8ced2 [ 1396.387650][ C0] head:ffffaf807a9e2b10 order:1 compound_mapcount:0 [ 1396.388864][ C0] flags: 0x8800010200(slab|head|section=17|node=0|zone=0) [ 1396.391577][ C0] raw: 0000008800010200 ffffaf807a99b388 ffffaf807a8e1c58 ffffaf800744c640 [ 1396.392620][ C0] raw: ffffaf800ccd3680 00000000000c0002 00000001ffffffff 0000000000000000 [ 1396.393425][ C0] raw: 00000000000007ff [ 1396.394220][ C0] page dumped because: kasan: bad access detected [ 1396.395608][ C0] page_owner tracks the page as allocated [ 1396.396475][ C0] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1998, ts 316936708900, free_ts 298839292300 [ 1396.398090][ C0] __set_page_owner+0x48/0x136 [ 1396.399076][ C0] post_alloc_hook+0xd0/0x10a [ 1396.399944][ C0] get_page_from_freelist+0x8da/0x12d8 [ 1396.400820][ C0] __alloc_pages+0x150/0x3b6 [ 1396.401583][ C0] alloc_pages+0x132/0x2a6 [ 1396.402444][ C0] alloc_slab_page.constprop.0+0xc2/0xfa [ 1396.403274][ C0] new_slab+0x25a/0x2cc [ 1396.404299][ C0] ___slab_alloc+0x56e/0x918 [ 1396.405361][ C0] __slab_alloc.constprop.0+0x50/0x8c [ 1396.406189][ C0] kmem_cache_alloc_node+0x1f2/0x41c [ 1396.406994][ C0] __alloc_skb+0x234/0x2e4 [ 1396.407738][ C0] tcp_stream_alloc_skb+0x70/0x4c0 [ 1396.408518][ C0] tcp_sendmsg_locked+0x880/0x1d9e [ 1396.409273][ C0] tcp_sendmsg+0x32/0x4e [ 1396.409979][ C0] inet_sendmsg+0x74/0x94 [ 1396.410854][ C0] sock_sendmsg+0xa0/0xc4 [ 1396.411815][ C0] page last free stack trace: [ 1396.412382][ C0] __reset_page_owner+0x4a/0xea [ 1396.413119][ C0] free_pcp_prepare+0x29c/0x45e [ 1396.414194][ C0] free_unref_page+0x6a/0x31e [ 1396.415389][ C0] __free_pages+0xe2/0x112 [ 1396.416241][ C0] __free_slab+0x122/0x27c [ 1396.416987][ C0] discard_slab+0x4c/0x7a [ 1396.417799][ C0] __slab_free+0x20a/0x29c [ 1396.418647][ C0] ___cache_free+0x17c/0x354 [ 1396.419530][ C0] qlist_free_all+0x7c/0x132 [ 1396.420336][ C0] kasan_quarantine_reduce+0x14c/0x1c8 [ 1396.421158][ C0] __kasan_slab_alloc+0x5c/0x98 [ 1396.422042][ C0] kmem_cache_alloc+0x338/0x3de [ 1396.423503][ C0] alloc_buffer_head+0x28/0x148 [ 1396.424704][ C0] alloc_page_buffers+0x2ac/0x5be [ 1396.425589][ C0] create_empty_buffers+0x32/0x4cc [ 1396.426482][ C0] ext4_block_write_begin+0xab8/0xc4e [ 1396.427494][ C0] [ 1396.428042][ C0] Memory state around the buggy address: [ 1396.429087][ C0] ffffaf800ccd3e00: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 [ 1396.429981][ C0] ffffaf800ccd3e80: fc fc fc fc 00 00 00 00 00 00 00 00 fc fc fc fc [ 1396.430842][ C0] >ffffaf800ccd3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1396.431607][ C0] ^ [ 1396.432417][ C0] ffffaf800ccd3f80: fc fc fc fc fc fc fc fc f1 f1 f1 f1 00 00 00 f3 [ 1396.433233][ C0] ffffaf800ccd4000: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 [ 1396.434819][ C0] ================================================================== [ 1396.435683][ C0] Disabling lock debugging due to kernel taint [ 1396.439182][ T2048] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1396.440072][ T2048] CPU: 0 PID: 2048 Comm: syz-executor.0 Tainted: G B W 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1396.440985][ T2048] Hardware name: riscv-virtio,qemu (DT) [ 1396.441474][ T2048] Call Trace: [ 1396.441887][ T2048] [] dump_backtrace+0x2e/0x3c [ 1396.442682][ T2048] [] show_stack+0x34/0x40 [ 1396.443416][ T2048] [] dump_stack_lvl+0xe4/0x150 [ 1396.444552][ T2048] [] dump_stack+0x1c/0x24 [ 1396.445367][ T2048] [] panic+0x24a/0x634 [ 1396.446069][ T2048] [] schedule+0x0/0x14c [ 1396.446827][ T2048] [] preempt_schedule_irq+0x4a/0x13e [ 1396.447638][ T2048] [] resume_kernel+0x16/0x18 [ 1396.448593][ T2048] SMP: stopping secondary CPUs [ 1396.450205][ T2048] Rebooting in 86400 seconds.. VM DIAGNOSIS: 04:15:30 Registers: info registers vcpu 0 pc ffffffff80c2b612 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8010b250 sepc ffffffff8046e47c mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8011c7fa x2/sp ffffaf800ccd3980 x3/gp ffffffff85863ac0 x4/tp ffffaf800c8f3080 x5/t0 ffffaf800ccd3a23 x6/t1 fffff5ef0199a744 x7/t2 0000000000000000 x8/s0 ffffaf800ccd39b0 x9/s1 ffffffff86bcb640 x10/a0 ffffffff86bcb640 x11/a1 000000000000000a x12/a2 0000000000000000 x13/a3 ffffffff8011c7ec x14/a4 ffffaf800c8f3080 x15/a5 0000000000000000 x16/a6 ffffaf800ccd3a27 x17/a7 ffffaf800ccd3a25 x18/s2 ffffffff86bcb641 x19/s3 ffffffff86bcb640 x20/s4 000000000000000a x21/s5 0000000000000017 x22/s6 0000000000000000 x23/s7 0000000000000400 x24/s8 ffffaf800ccd3a10 x25/s9 0000000000000000 x26/s10 00000000000003e7 x27/s11 ffffaf800ccd3c60 x28/t3 0000000000000043 x29/t4 fffff5ef0199a744 x30/t5 fffff5ef0199a745 x31/t6 ffffaf800ccd3a26 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 ffffffff8010b22c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80119b52 sepc ffffffff80119b52 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf80122dafa0 x3/gp ffffffff85863ac0 x4/tp ffffaf80075d1840 x5/t0 0000000000046000 x6/t1 5405031e400fe800 x7/t2 ffffffffffffffff x8/s0 ffffaf80122dafb0 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffff5f000eba309 x13/a3 ffffffff80146d84 x14/a4 0000000000010203 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff800dddaa x18/s2 ffffaf80122db0e0 x19/s3 ffffffff84b73ec0 x20/s4 0000000000000001 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 ffffaf80075d1840 x24/s8 ffffffff86c1a620 x25/s9 1ffff5f00245b60c x26/s10 ffffffff84b73e00 x27/s11 ffffffff800dde3a x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f00245b5d8 x31/t6 000000000016bb3c 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