./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3082596694 <...> Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. execve("./syz-executor3082596694", ["./syz-executor3082596694"], 0x7fffed716a60 /* 10 vars */) = 0 brk(NULL) = 0x555557107000 brk(0x555557107c40) = 0x555557107c40 arch_prctl(ARCH_SET_FS, 0x555557107300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3082596694", 4096) = 28 brk(0x555557128c40) = 0x555557128c40 brk(0x555557129000) = 0x555557129000 mprotect(0x7f56d6ae3000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 syzkaller login: [ 75.835394][ T5081] netlink: 240 bytes leftover after parsing attributes in process `syz-executor308'. [ 75.845366][ T5081] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 75.857121][ T5081] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 75.865552][ T5081] CPU: 0 PID: 5081 Comm: syz-executor308 Not tainted 6.3.0-rc4-syzkaller-01124-g54fd494af9d4 #0 [ 75.875987][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 75.886053][ T5081] RIP: 0010:jhash+0x339/0x610 [ 75.890775][ T5081] Code: 83 fd 01 0f 84 5f ff ff ff eb de 83 fd 05 74 3a e8 4c 6a 73 fd 48 8d 7b 05 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 96 02 00 00 [ 75.910413][ T5081] RSP: 0018:ffffc90003b7f298 EFLAGS: 00010202 [ 75.916770][ T5081] RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 75.925953][ T5081] RDX: 0000000000000001 RSI: ffffffff840f6e04 RDI: 0000000000000009 [ 75.933945][ T5081] RBP: 0000000000000006 R08: 0000000000000005 R09: 000000000000000c [ 75.941937][ T5081] R10: 0000000000000006 R11: 0000000000000000 R12: 000000002f287e33 [ 75.949929][ T5081] R13: 000000000dd63d28 R14: 000000000dd63d28 R15: 000000000dd63d28 [ 75.957935][ T5081] FS: 0000555557107300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.966895][ T5081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.973500][ T5081] CR2: 000000000045ad50 CR3: 000000001b8a3000 CR4: 00000000003506f0 [ 75.981500][ T5081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.989497][ T5081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.997481][ T5081] Call Trace: [ 76.000771][ T5081] [ 76.003716][ T5081] get_hwsim_data_ref_from_addr+0xb9/0x600 [ 76.009587][ T5081] hwsim_pmsr_report_nl+0xe7/0xd50 [ 76.014739][ T5081] ? syslog_print_all+0x3a0/0x3a0 [ 76.019804][ T5081] ? lockdep_hardirqs_on+0x7d/0x100 [ 76.025041][ T5081] ? get_hwsim_data_ref_from_addr+0x600/0x600 [ 76.031141][ T5081] ? rcu_is_watching+0x12/0xb0 [ 76.035936][ T5081] ? do_trace_netlink_extack+0x155/0x190 [ 76.041606][ T5081] ? __nla_validate_parse+0x2e4/0x25e0 [ 76.047106][ T5081] ? nla_get_range_signed+0x520/0x520 [ 76.052518][ T5081] ? __kmem_cache_alloc_node+0x1b0/0x320 [ 76.058188][ T5081] ? __nla_parse+0x41/0x50 [ 76.062767][ T5081] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 76.070179][ T5081] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 76.077485][ T5081] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 76.083666][ T5081] ? genl_start+0x660/0x660 [ 76.088201][ T5081] ? __radix_tree_lookup+0x215/0x2a0 [ 76.093525][ T5081] genl_rcv_msg+0x4ff/0x7e0 [ 76.098052][ T5081] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 76.104407][ T5081] ? get_hwsim_data_ref_from_addr+0x600/0x600 [ 76.110502][ T5081] ? lock_downgrade+0x690/0x690 [ 76.115376][ T5081] netlink_rcv_skb+0x165/0x440 [ 76.120161][ T5081] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 76.126513][ T5081] ? netlink_ack+0x1360/0x1360 [ 76.131314][ T5081] genl_rcv+0x28/0x40 [ 76.135313][ T5081] netlink_unicast+0x547/0x7f0 [ 76.140109][ T5081] ? netlink_attachskb+0x890/0x890 [ 76.145244][ T5081] ? __virt_addr_valid+0x61/0x2e0 [ 76.150318][ T5081] ? __phys_addr_symbol+0x30/0x70 [ 76.155375][ T5081] ? __check_object_size+0x333/0x6e0 [ 76.160693][ T5081] netlink_sendmsg+0x925/0xe30 [ 76.165484][ T5081] ? netlink_unicast+0x7f0/0x7f0 [ 76.170452][ T5081] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 76.175766][ T5081] ? netlink_unicast+0x7f0/0x7f0 [ 76.180726][ T5081] sock_sendmsg+0xde/0x190 [ 76.185177][ T5081] ____sys_sendmsg+0x71c/0x900 [ 76.189955][ T5081] ? copy_msghdr_from_user+0xfc/0x150 [ 76.195371][ T5081] ? kernel_sendmsg+0x50/0x50 [ 76.200068][ T5081] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 76.206081][ T5081] ___sys_sendmsg+0x110/0x1b0 [ 76.210871][ T5081] ? do_recvmmsg+0x6e0/0x6e0 [ 76.215488][ T5081] ? lock_release+0x670/0x670 [ 76.220202][ T5081] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 76.225422][ T5081] ? do_raw_spin_lock+0x124/0x2b0 [ 76.230466][ T5081] ? spin_bug+0x1c0/0x1c0 [ 76.234818][ T5081] ? _raw_spin_lock_irq+0x45/0x50 [ 76.239955][ T5081] ? __fget_light+0x20a/0x270 [ 76.244674][ T5081] __sys_sendmsg+0xf7/0x1c0 [ 76.249213][ T5081] ? __sys_sendmsg_sock+0x40/0x40 [ 76.254257][ T5081] ? lock_downgrade+0x690/0x690 [ 76.259142][ T5081] ? lockdep_hardirqs_on+0x7d/0x100 [ 76.264357][ T5081] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.269588][ T5081] ? ptrace_notify+0xfe/0x140 [ 76.274284][ T5081] do_syscall_64+0x39/0xb0 [ 76.278769][ T5081] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.284701][ T5081] RIP: 0033:0x7f56d6a76c49 [ 76.289142][ T5081] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 76.308790][ T5081] RSP: 002b:00007ffde1856c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.317225][ T5081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56d6a76c49 [ 76.325219][ T5081] RDX: 0000000000000000 RSI: 0000000020001ac0 RDI: 0000000000000003 [ 76.333290][ T5081] RBP: 00007f56d6a3adf0 R08: 0000000000000000 R09: 0000000000000000 [ 76.341280][ T5081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f56d6a3ae80 [ 76.349274][ T5081] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 76.357327][ T5081] [ 76.360380][ T5081] Modules linked in: [ 76.367287][ T5081] ---[ end trace 0000000000000000 ]--- [ 76.372898][ T5081] RIP: 0010:jhash+0x339/0x610 [ 76.377594][ T5081] Code: 83 fd 01 0f 84 5f ff ff ff eb de 83 fd 05 74 3a e8 4c 6a 73 fd 48 8d 7b 05 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 96 02 00 00 [ 76.397304][ T5081] RSP: 0018:ffffc90003b7f298 EFLAGS: 00010202 [ 76.403444][ T5081] RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 76.411435][ T5081] RDX: 0000000000000001 RSI: ffffffff840f6e04 RDI: 0000000000000009 [ 76.419577][ T5081] RBP: 0000000000000006 R08: 0000000000000005 R09: 000000000000000c [ 76.427634][ T5081] R10: 0000000000000006 R11: 0000000000000000 R12: 000000002f287e33 [ 76.435685][ T5081] R13: 000000000dd63d28 R14: 000000000dd63d28 R15: 000000000dd63d28 [ 76.443708][ T5081] FS: 0000555557107300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 76.452740][ T5081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.459345][ T5081] CR2: 00007f45d3333268 CR3: 000000001b8a3000 CR4: 00000000003506e0 [ 76.467534][ T5081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.475718][ T5081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.483868][ T5081] Kernel panic - not syncing: Fatal exception [ 76.490130][ T5081] Kernel Offset: disabled [ 76.494477][ T5081] Rebooting in 86400 seconds..