./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1042605679 <...> Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. execve("./syz-executor1042605679", ["./syz-executor1042605679"], 0x7ffde4898400 /* 10 vars */) = 0 brk(NULL) = 0x555556847000 brk(0x555556847c40) = 0x555556847c40 arch_prctl(ARCH_SET_FS, 0x555556847300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1042605679", 4096) = 28 brk(0x555556868c40) = 0x555556868c40 brk(0x555556869000) = 0x555556869000 mprotect(0x7f9e9ac22000, 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: [ 73.122174][ T5084] netlink: 240 bytes leftover after parsing attributes in process `syz-executor104'. [ 73.131940][ T5084] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 73.143667][ T5084] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 73.152066][ T5084] CPU: 0 PID: 5084 Comm: syz-executor104 Not tainted 6.3.0-rc4-next-20230331-syzkaller #0 [ 73.161958][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 73.172024][ T5084] RIP: 0010:jhash+0x339/0x610 [ 73.176721][ T5084] Code: 83 fd 01 0f 84 5f ff ff ff eb de 83 fd 05 74 3a e8 ac f5 71 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 [ 73.196328][ T5084] RSP: 0018:ffffc90003abf298 EFLAGS: 00010202 [ 73.202394][ T5084] RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 73.210396][ T5084] RDX: 0000000000000001 RSI: ffffffff84111ba4 RDI: 0000000000000009 [ 73.218364][ T5084] RBP: 0000000000000006 R08: 0000000000000005 R09: 000000000000000c [ 73.226334][ T5084] R10: 0000000000000006 R11: 0000000000000000 R12: 000000004d2c27cd [ 73.234317][ T5084] R13: 000000002bd9e6c2 R14: 000000002bd9e6c2 R15: 000000002bd9e6c2 [ 73.242301][ T5084] FS: 0000555556847300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.251244][ T5084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.257849][ T5084] CR2: 000000000045ad50 CR3: 0000000078aa6000 CR4: 00000000003506f0 [ 73.265823][ T5084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.273793][ T5084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.281763][ T5084] Call Trace: [ 73.285038][ T5084] [ 73.287968][ T5084] get_hwsim_data_ref_from_addr+0xb9/0x600 [ 73.293886][ T5084] hwsim_pmsr_report_nl+0xe7/0xd50 [ 73.299054][ T5084] ? syslog_print_all+0x3a0/0x3a0 [ 73.304093][ T5084] ? _raw_spin_unlock_irqrestore+0x3c/0x70 [ 73.309921][ T5084] ? get_hwsim_data_ref_from_addr+0x600/0x600 [ 73.316013][ T5084] ? rcu_is_watching+0x12/0xb0 [ 73.320809][ T5084] ? do_trace_netlink_extack+0x155/0x190 [ 73.326453][ T5084] ? __nla_validate_parse+0x2e4/0x25e0 [ 73.331934][ T5084] ? nla_get_range_signed+0x520/0x520 [ 73.337310][ T5084] ? __kmem_cache_alloc_node+0x1b0/0x320 [ 73.342957][ T5084] ? __nla_parse+0x41/0x50 [ 73.347376][ T5084] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 73.354761][ T5084] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 73.362086][ T5084] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 73.368270][ T5084] ? genl_start+0x660/0x660 [ 73.372803][ T5084] ? __radix_tree_lookup+0x215/0x2a0 [ 73.378101][ T5084] genl_rcv_msg+0x4ff/0x7e0 [ 73.382617][ T5084] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 73.388961][ T5084] ? get_hwsim_data_ref_from_addr+0x600/0x600 [ 73.395071][ T5084] netlink_rcv_skb+0x165/0x440 [ 73.399866][ T5084] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 73.406215][ T5084] ? netlink_ack+0x1360/0x1360 [ 73.411045][ T5084] ? genl_rcv+0x19/0x40 [ 73.415223][ T5084] ? lock_acquire+0x32/0xc0 [ 73.419739][ T5084] ? genl_rcv+0x19/0x40 [ 73.423937][ T5084] genl_rcv+0x28/0x40 [ 73.428025][ T5084] netlink_unicast+0x547/0x7f0 [ 73.432810][ T5084] ? netlink_attachskb+0x890/0x890 [ 73.437936][ T5084] ? __virt_addr_valid+0x61/0x2e0 [ 73.442985][ T5084] ? __phys_addr_symbol+0x30/0x70 [ 73.448032][ T5084] ? __check_object_size+0x333/0x6e0 [ 73.453319][ T5084] netlink_sendmsg+0x925/0xe30 [ 73.458106][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 73.463062][ T5084] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.468394][ T5084] ? netlink_unicast+0x7f0/0x7f0 [ 73.473346][ T5084] sock_sendmsg+0xde/0x190 [ 73.477782][ T5084] ____sys_sendmsg+0x71c/0x900 [ 73.482572][ T5084] ? copy_msghdr_from_user+0xfc/0x150 [ 73.487967][ T5084] ? kernel_sendmsg+0x50/0x50 [ 73.492674][ T5084] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 73.498677][ T5084] ___sys_sendmsg+0x110/0x1b0 [ 73.503375][ T5084] ? do_recvmmsg+0x6e0/0x6e0 [ 73.507987][ T5084] ? lock_sync+0x190/0x190 [ 73.512428][ T5084] ? rcu_is_watching+0x12/0xb0 [ 73.517207][ T5084] ? do_raw_spin_lock+0x124/0x2b0 [ 73.522244][ T5084] ? spin_bug+0x1c0/0x1c0 [ 73.526592][ T5084] ? lock_acquire+0x32/0xc0 [ 73.531101][ T5084] ? ptrace_stop.part.0+0x4e3/0x8e0 [ 73.536305][ T5084] ? __fget_light+0x20a/0x270 [ 73.540997][ T5084] __sys_sendmsg+0xf7/0x1c0 [ 73.545516][ T5084] ? __sys_sendmsg_sock+0x40/0x40 [ 73.550603][ T5084] ? lock_downgrade+0x690/0x690 [ 73.555477][ T5084] ? lockdep_hardirqs_on+0x7d/0x100 [ 73.560683][ T5084] ? _raw_spin_unlock_irq+0x2e/0x50 [ 73.565886][ T5084] ? ptrace_notify+0xfe/0x140 [ 73.570576][ T5084] do_syscall_64+0x39/0xb0 [ 73.575022][ T5084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.580939][ T5084] RIP: 0033:0x7f9e9abb5c49 [ 73.585359][ T5084] 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 [ 73.604968][ T5084] RSP: 002b:00007ffc660e8198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.613377][ T5084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e9abb5c49 [ 73.621366][ T5084] RDX: 0000000000000000 RSI: 0000000020001ac0 RDI: 0000000000000003 [ 73.629336][ T5084] RBP: 00007f9e9ab79df0 R08: 0000000000000000 R09: 0000000000000000 [ 73.637326][ T5084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e9ab79e80 [ 73.645300][ T5084] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.653366][ T5084] [ 73.656381][ T5084] Modules linked in: [ 73.660757][ T5084] ---[ end trace 0000000000000000 ]--- [ 73.666250][ T5084] RIP: 0010:jhash+0x339/0x610 [ 73.671064][ T5084] Code: 83 fd 01 0f 84 5f ff ff ff eb de 83 fd 05 74 3a e8 ac f5 71 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 [ 73.690758][ T5084] RSP: 0018:ffffc90003abf298 EFLAGS: 00010202 [ 73.696871][ T5084] RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000 [ 73.704886][ T5084] RDX: 0000000000000001 RSI: ffffffff84111ba4 RDI: 0000000000000009 [ 73.712915][ T5084] RBP: 0000000000000006 R08: 0000000000000005 R09: 000000000000000c [ 73.720910][ T5084] R10: 0000000000000006 R11: 0000000000000000 R12: 000000004d2c27cd [ 73.728893][ T5084] R13: 000000002bd9e6c2 R14: 000000002bd9e6c2 R15: 000000002bd9e6c2 [ 73.736925][ T5084] FS: 0000555556847300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 73.745895][ T5084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.752547][ T5084] CR2: 000056356e2d1270 CR3: 0000000078aa6000 CR4: 00000000003506e0 [ 73.760574][ T5084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.768571][ T5084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.776771][ T5084] Kernel panic - not syncing: Fatal exception [ 73.783102][ T5084] Kernel Offset: disabled [ 73.787436][ T5084] Rebooting in 86400 seconds..