[ 272.668141][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.718496][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 282.885458][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:45273' (ECDSA) to the list of known hosts. 1970/01/01 00:05:53 fuzzer started 1970/01/01 00:06:04 dialing manager at localhost:37565 [ 371.433764][ T2039] cgroup: Unknown subsys name 'net' [ 372.557381][ T2039] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:12 syscalls: 2918 1970/01/01 00:06:12 code coverage: enabled 1970/01/01 00:06:12 comparison tracing: enabled 1970/01/01 00:06:12 extra coverage: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:06:12 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:12 setuid sandbox: enabled 1970/01/01 00:06:12 namespace sandbox: enabled 1970/01/01 00:06:12 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:12 fault injection: enabled 1970/01/01 00:06:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:12 net packet injection: enabled 1970/01/01 00:06:12 net device setup: enabled 1970/01/01 00:06:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:12 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:06:12 USB emulation: enabled 1970/01/01 00:06:12 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:12 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:12 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:12 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:18 fetching corpus: 50, signal 35438/38700 (executing program) 1970/01/01 00:06:23 fetching corpus: 100, signal 49731/54186 (executing program) 1970/01/01 00:06:26 fetching corpus: 150, signal 57213/62808 (executing program) 1970/01/01 00:06:29 fetching corpus: 199, signal 63941/70532 (executing program) 1970/01/01 00:06:32 fetching corpus: 249, signal 69344/76919 (executing program) 1970/01/01 00:06:34 fetching corpus: 299, signal 73220/81744 (executing program) 1970/01/01 00:06:37 fetching corpus: 348, signal 77060/86466 (executing program) 1970/01/01 00:06:40 fetching corpus: 397, signal 81994/92112 (executing program) 1970/01/01 00:06:42 fetching corpus: 447, signal 84995/95923 (executing program) 1970/01/01 00:06:46 fetching corpus: 496, signal 89910/101349 (executing program) 1970/01/01 00:06:49 fetching corpus: 546, signal 93827/105844 (executing program) 1970/01/01 00:06:53 fetching corpus: 596, signal 96358/109021 (executing program) 1970/01/01 00:06:56 fetching corpus: 646, signal 98079/111466 (executing program) 1970/01/01 00:06:58 fetching corpus: 695, signal 100643/114579 (executing program) 1970/01/01 00:07:01 fetching corpus: 745, signal 102779/117233 (executing program) 1970/01/01 00:07:04 fetching corpus: 794, signal 105712/120524 (executing program) 1970/01/01 00:07:08 fetching corpus: 844, signal 108213/123441 (executing program) 1970/01/01 00:07:11 fetching corpus: 894, signal 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fetching corpus: 2682, signal 162516/177290 (executing program) 1970/01/01 00:08:51 fetching corpus: 2731, signal 163262/177882 (executing program) 1970/01/01 00:08:53 fetching corpus: 2781, signal 164573/178638 (executing program) 1970/01/01 00:08:56 fetching corpus: 2831, signal 165781/179339 (executing program) 1970/01/01 00:08:59 fetching corpus: 2881, signal 166641/179872 (executing program) 1970/01/01 00:09:02 fetching corpus: 2930, signal 167532/180415 (executing program) 1970/01/01 00:09:04 fetching corpus: 2979, signal 168234/180842 (executing program) 1970/01/01 00:09:06 fetching corpus: 3029, signal 168966/181262 (executing program) 1970/01/01 00:09:09 fetching corpus: 3078, signal 169754/181716 (executing program) 1970/01/01 00:09:11 fetching corpus: 3127, signal 170606/182177 (executing program) 1970/01/01 00:09:13 fetching corpus: 3177, signal 171411/182619 (executing program) 1970/01/01 00:09:16 fetching corpus: 3227, signal 172067/182989 (executing program) 1970/01/01 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1970/01/01 00:09:53 fetching corpus: 3875, signal 182498/186865 (executing program) 1970/01/01 00:09:56 fetching corpus: 3925, signal 183502/187069 (executing program) 1970/01/01 00:09:58 fetching corpus: 3974, signal 184567/187248 (executing program) 1970/01/01 00:10:01 fetching corpus: 4024, signal 185195/187362 (executing program) 1970/01/01 00:10:05 fetching corpus: 4074, signal 185605/187432 (executing program) 1970/01/01 00:10:07 fetching corpus: 4094, signal 185830/187482 (executing program) 1970/01/01 00:10:07 fetching corpus: 4094, signal 185830/187505 (executing program) 1970/01/01 00:10:07 fetching corpus: 4094, signal 185830/187531 (executing program) 1970/01/01 00:10:07 fetching corpus: 4094, signal 185830/187565 (executing program) 1970/01/01 00:10:08 fetching corpus: 4094, signal 185830/187608 (executing program) 1970/01/01 00:10:08 fetching corpus: 4094, signal 185830/187628 (executing program) 1970/01/01 00:10:08 fetching corpus: 4095, signal 185837/187653 (executing program) 1970/01/01 00:10:08 fetching corpus: 4095, signal 185837/187671 (executing program) 1970/01/01 00:10:08 fetching corpus: 4095, signal 185837/187691 (executing program) 1970/01/01 00:10:09 fetching corpus: 4095, signal 185837/187710 (executing program) 1970/01/01 00:10:09 fetching corpus: 4095, signal 185837/187731 (executing program) 1970/01/01 00:10:09 fetching corpus: 4096, signal 185870/187731 (executing program) 1970/01/01 00:10:09 fetching corpus: 4096, signal 185870/187731 (executing program) 1970/01/01 00:11:50 starting 2 fuzzer processes 00:11:51 executing program 0: r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @loopback}, 0x10) sendto$inet(r0, &(0x7f0000001340)="8a", 0x1, 0x0, &(0x7f00000001c0)={0x2, 0x4e23, @loopback}, 0x10) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000000)={0x0, 0x0, 0x20}, 0xc) sendto$inet(r0, &(0x7f0000000100)="82", 0x1, 0x0, 0x0, 0x0) sendto$inet(r0, &(0x7f0000000200)="fd", 0x34000, 0x0, 0x0, 0x0) 00:11:51 executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000080)={0x0, 0x3}, 0x4) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000180)=@ipv4_newroute={0x1c}, 0x1c}}, 0x0) [ 730.313989][ C0] ================================================================== [ 730.317437][ C0] BUG: KASAN: slab-out-of-bounds in walk_stackframe+0x11c/0x260 [ 730.319397][ C0] Read of size 8 at addr ffffaf800bd9bf70 by task syz-executor.0/2050 [ 730.322819][ C0] [ 730.324030][ C0] CPU: 0 PID: 2050 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 730.325819][ C0] Hardware name: riscv-virtio,qemu (DT) [ 730.326996][ C0] Call Trace: [ 730.328002][ C0] [] dump_backtrace+0x2e/0x3c [ 730.329841][ C0] [] show_stack+0x34/0x40 [ 730.331227][ C0] [] dump_stack_lvl+0xe4/0x150 [ 730.332618][ C0] [] print_address_description.constprop.0+0x2a/0x330 [ 730.334118][ C0] [] kasan_report+0x184/0x1e0 [ 730.335461][ C0] [] __asan_load8+0x6e/0x96 [ 730.336745][ C0] [] walk_stackframe+0x11c/0x260 [ 730.338078][ C0] [] arch_stack_walk+0x2c/0x3c [ 730.340070][ C0] [] stack_trace_save+0xa6/0xd8 [ 730.341645][ C0] [ 730.342462][ C0] Allocated by task 8: [ 730.343356][ C0] (stack is not available) [ 730.344222][ C0] [ 730.344934][ C0] Last potentially related work creation: [ 730.345945][ C0] ------------[ cut here ]------------ [ 730.346859][ C0] slab index 1411763 out of bounds (282) for stack id 41b58ab3 [ 730.351438][ C0] WARNING: CPU: 0 PID: 2050 at lib/stackdepot.c:304 stack_depot_print+0x66/0x70 [ 730.353228][ C0] Modules linked in: [ 730.354440][ C0] CPU: 0 PID: 2050 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 730.355992][ C0] Hardware name: riscv-virtio,qemu (DT) [ 730.356998][ C0] epc : stack_depot_print+0x66/0x70 [ 730.358265][ C0] ra : stack_depot_print+0x66/0x70 [ 730.360081][ C0] epc : ffffffff80c00b8a ra : ffffffff80c00b8a sp : ffffaf800bd9be30 [ 730.361321][ C0] gp : ffffffff85863ac0 tp : ffffaf800b9eb080 t0 : ffffffff86bcb657 [ 730.362515][ C0] t1 : fffff5ef0b53910c t2 : 0000000000000000 s0 : ffffaf800bd9be40 [ 730.363657][ C0] s1 : ffffaf807a99e350 a0 : 000000000000003c a1 : 00000000000f0000 [ 730.365100][ C0] a2 : 0000000000000504 a3 : ffffffff8012252a a4 : 5bd3efcd8a4f0d00 [ 730.366359][ C0] a5 : 5bd3efcd8a4f0d00 a6 : 0000000000f00000 a7 : ffffaf805a9c8863 [ 730.367675][ C0] s2 : ffffaf800bd9bf70 s3 : ffffaf8009587640 s4 : ffffaf800bd9bb80 [ 730.368988][ C0] s5 : ffffaf800bd9bd58 s6 : 0000000000003fff s7 : ffffaf800bd9bf10 [ 730.370660][ C0] s8 : 0000000000400000 s9 : ffffffffffffc000 s10: ffffaf800bd9bfe0 [ 730.371821][ C0] s11: 0000000000000008 t3 : fffffffff3f3f300 t4 : fffff5ef0b53910c [ 730.373154][ C0] t5 : fffff5ef0b53910d t6 : ffffaf800bd9b938 [ 730.374222][ C0] status: 0000000000000100 badaddr: 0000000000000000 cause: 0000000000000003 [ 730.375513][ C0] [] print_address_description.constprop.0+0x2fc/0x330 [ 730.377088][ C0] [] kasan_report+0x184/0x1e0 [ 730.378394][ C0] [] __asan_load8+0x6e/0x96 [ 730.380188][ C0] [] walk_stackframe+0x11c/0x260 [ 730.381513][ C0] [] arch_stack_walk+0x2c/0x3c [ 730.382863][ C0] [] stack_trace_save+0xa6/0xd8 [ 730.384357][ C0] irq event stamp: 30401 [ 730.385203][ C0] hardirqs last enabled at (30400): [] _raw_spin_unlock_irqrestore+0x68/0x98 [ 730.386801][ C0] hardirqs last disabled at (30401): [] _raw_spin_lock_irqsave+0x60/0x62 [ 730.388423][ C0] softirqs last enabled at (30288): [] __do_softirq+0x618/0x8fc [ 730.390695][ C0] softirqs last disabled at (30305): [] __irq_exit_rcu+0x142/0x1f8 [ 730.392337][ C0] ---[ end trace 0000000000000000 ]--- [ 730.393743][ C0] [ 730.394448][ C0] The buggy address belongs to the object at ffffaf800bd9bb80 [ 730.394448][ C0] which belongs to the cache skbuff_fclone_cache of size 472 [ 730.396259][ C0] The buggy address is located 536 bytes to the right of [ 730.396259][ C0] 472-byte region [ffffaf800bd9bb80, ffffaf800bd9bd58) [ 730.399451][ C0] The buggy address belongs to the page: [ 730.401233][ C0] page:ffffaf807a99e350 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8bf9a [ 730.402961][ C0] head:ffffaf807a99e350 order:1 compound_mapcount:0 [ 730.404250][ C0] flags: 0x8800010200(slab|head|section=17|node=0|zone=0) [ 730.406973][ C0] raw: 0000008800010200 ffffaf807aa08610 0000000000000003 ffffaf8009587640 [ 730.408322][ C0] raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 [ 730.410167][ C0] raw: 00000000000007ff [ 730.411667][ C0] page dumped because: kasan: bad access detected [ 730.412906][ C0] page_owner tracks the page as allocated [ 730.413820][ 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 1999, ts 317756331700, free_ts 310120014800 [ 730.416070][ C0] __set_page_owner+0x48/0x136 [ 730.417377][ C0] post_alloc_hook+0xd0/0x10a [ 730.418472][ C0] get_page_from_freelist+0x8da/0x12d8 [ 730.420230][ C0] __alloc_pages+0x150/0x3b6 [ 730.421365][ C0] alloc_pages+0x132/0x2a6 [ 730.422451][ C0] alloc_slab_page.constprop.0+0xc2/0xfa [ 730.423566][ C0] new_slab+0x25a/0x2cc [ 730.424887][ C0] ___slab_alloc+0x56e/0x918 [ 730.425932][ C0] __slab_alloc.constprop.0+0x50/0x8c [ 730.427032][ C0] kmem_cache_alloc_node+0x1f2/0x41c [ 730.428257][ C0] __alloc_skb+0x234/0x2e4 [ 730.429843][ C0] tcp_stream_alloc_skb+0x70/0x4c0 [ 730.436096][ C0] tcp_sendmsg_locked+0x880/0x1d9e [ 730.437749][ C0] tcp_sendmsg+0x32/0x4e [ 730.439454][ C0] inet_sendmsg+0x74/0x94 [ 730.441122][ C0] sock_sendmsg+0xa0/0xc4 [ 730.442536][ C0] page last free stack trace: [ 730.443430][ C0] __reset_page_owner+0x4a/0xea [ 730.444628][ C0] free_pcp_prepare+0x29c/0x45e [ 730.445714][ C0] free_unref_page+0x6a/0x31e [ 730.446804][ C0] __put_page+0xf2/0x100 [ 730.448005][ C0] anon_pipe_buf_release+0x154/0x19a [ 730.449582][ C0] pipe_read+0x3f2/0xa4c [ 730.451261][ C0] new_sync_read+0x3ae/0x3d8 [ 730.452508][ C0] vfs_read+0x2ce/0x324 [ 730.453602][ C0] ksys_read+0x1c4/0x224 [ 730.454740][ C0] sys_read+0x28/0x36 [ 730.455782][ C0] ret_from_syscall+0x0/0x2 [ 730.457032][ C0] [ 730.457797][ C0] Memory state around the buggy address: [ 730.459175][ C0] ffffaf800bd9be00: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 [ 730.460584][ C0] ffffaf800bd9be80: fc fc fc fc 00 00 00 00 00 00 00 00 fc fc fc fc [ 730.461770][ C0] >ffffaf800bd9bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 730.462878][ C0] ^ [ 730.464208][ C0] ffffaf800bd9bf80: fc fc fc fc fc fc fc fc f1 f1 f1 f1 00 00 00 f3 [ 730.465379][ C0] ffffaf800bd9c000: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 [ 730.466622][ C0] ================================================================== [ 730.467711][ C0] Disabling lock debugging due to kernel taint [ 730.480669][ T2050] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 730.482041][ T2050] CPU: 0 PID: 2050 Comm: syz-executor.0 Tainted: G B W 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 730.483349][ T2050] Hardware name: riscv-virtio,qemu (DT) [ 730.484079][ T2050] Call Trace: [ 730.484630][ T2050] [] dump_backtrace+0x2e/0x3c [ 730.485675][ T2050] [] show_stack+0x34/0x40 [ 730.486583][ T2050] [] dump_stack_lvl+0xe4/0x150 [ 730.487690][ T2050] [] dump_stack+0x1c/0x24 [ 730.489156][ T2050] [] panic+0x24a/0x634 [ 730.490116][ T2050] [] schedule+0x0/0x14c [ 730.491127][ T2050] [] preempt_schedule_irq+0x4a/0x13e [ 730.492227][ T2050] [] resume_kernel+0x16/0x18 [ 730.493513][ T2050] SMP: stopping secondary CPUs [ 730.495555][ T2050] Rebooting in 86400 seconds.. VM DIAGNOSIS: 04:04:26 Registers: info registers vcpu 0 pc ffffffff80475986 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475986 sepc ffffffff831afd22 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc3394 x2/sp ffffaf800bd9b940 x3/gp ffffffff85863ac0 x4/tp ffffaf800b9eb080 x5/t0 ffffffff86bcb657 x6/t1 5bd3efcd8a4f0d00 x7/t2 0000000000000000 x8/s0 ffffaf800bd9b970 x9/s1 ffffffff86e58900 x10/a0 ffffaf800b9eb0a0 x11/a1 ffff8f800066c000 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc337e x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc9fe x18/s2 ffffaf800b9eb080 x19/s3 000000000000006f x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb69b x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0017b36d8 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 ffffffff8010b22c mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8047599e sepc ffffffff8047599e mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf800e8630c0 x3/gp ffffffff85863ac0 x4/tp ffffaf800ea11840 x5/t0 0000000000046000 x6/t1 5bd3efcd8a4f0d00 x7/t2 ffffffffffffffff x8/s0 ffffaf800e8630d0 x9/s1 0000000000001000 x10/a0 0000000000000120 x11/a1 ffffffffffffffff x12/a2 1ffff5f001d42309 x13/a3 ffffffff80146d84 x14/a4 0000000000010202 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff800dddaa x18/s2 ffffaf805a9f4d40 x19/s3 ffffffff84b73e00 x20/s4 ffffffff84b97b00 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 ffffaf800ea11840 x24/s8 ffffffff86c1a620 x25/s9 ffffaf800ea11840 x26/s10 ffffaf805a9f4c98 x27/s11 ffffffff8465b2d0 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001d0c5d8 x31/t6 0000000000438737 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