./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2558031220 <...> Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. execve("./syz-executor2558031220", ["./syz-executor2558031220"], 0x7fff64a700e0 /* 10 vars */) = 0 brk(NULL) = 0x555555b1b000 brk(0x555555b1bd00) = 0x555555b1bd00 arch_prctl(ARCH_SET_FS, 0x555555b1b380) = 0 set_tid_address(0x555555b1b650) = 5056 set_robust_list(0x555555b1b660, 24) = 0 rseq(0x555555b1bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2558031220", 4096) = 28 getrandom("\xc4\x3c\x33\x82\xc9\x3e\x5e\x3b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555b1bd00 brk(0x555555b3cd00) = 0x555555b3cd00 brk(0x555555b3d000) = 0x555555b3d000 mprotect(0x7efd87233000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5057 attached , child_tidptr=0x555555b1b650) = 5057 [pid 5057] set_robust_list(0x555555b1b660, 24) = 0 [pid 5057] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] setsid() = 1 [pid 5057] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5057] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5057] unshare(CLONE_NEWNS) = 0 [pid 5057] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5057] unshare(CLONE_NEWIPC) = 0 [pid 5057] unshare(CLONE_NEWCGROUP) = 0 [pid 5057] unshare(CLONE_NEWUTS) = 0 [pid 5057] unshare(CLONE_SYSVSEM) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "16777216", 8) = 8 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "536870912", 9) = 9 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "8192", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024", 4) = 4 [pid 5057] close(3) = 0 [pid 5057] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5057] close(3) = 0 [pid 5057] getpid() = 1 [pid 5057] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 75.373787][ T5060] ------------[ cut here ]------------ [ 75.379314][ T5060] WARNING: CPU: 0 PID: 5060 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 75.389596][ T5060] Modules linked in: [ 75.393482][ T5060] CPU: 0 PID: 5060 Comm: syz-executor255 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.403984][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.414107][ T5060] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.420643][ T5060] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 75.440333][ T5060] RSP: 0018:ffffc90003abf1b0 EFLAGS: 00010293 [ 75.446438][ T5060] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.454444][ T5060] RDX: ffff88807c135940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.462438][ T5060] RBP: ffffc90003abf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.470460][ T5060] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.478550][ T5060] R13: ffff88802705902c R14: ffffc90003abf35c R15: ffff888027059000 [ 75.486557][ T5060] FS: 0000555555b1b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.495530][ T5060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.502111][ T5060] CR2: 0000000000000000 CR3: 0000000079438000 CR4: 00000000003506f0 [ 75.510118][ T5060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.518132][ T5060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.526170][ T5060] Call Trace: [ 75.529468][ T5060] [ 75.532417][ T5060] ? show_regs+0x8f/0xa0 [ 75.536703][ T5060] ? __warn+0xe6/0x390 [ 75.540794][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.546473][ T5060] ? report_bug+0x3bc/0x580 [ 75.551013][ T5060] ? handle_bug+0x3d/0x70 [ 75.555453][ T5060] ? exc_invalid_op+0x17/0x40 [ 75.560175][ T5060] ? asm_exc_invalid_op+0x1a/0x20 [ 75.565246][ T5060] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.570905][ T5060] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.576580][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.582242][ T5060] ? fib6_nh_init+0x1db0/0x1db0 [ 75.587129][ T5060] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.592529][ T5060] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.598379][ T5060] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.603805][ T5060] ip6_route_add+0x26/0x1f0 [ 75.608375][ T5060] addrconf_prefix_route+0x2fe/0x510 [ 75.613707][ T5060] ? addrconf_add_mroute+0x350/0x350 [ 75.619117][ T5060] inet6_addr_add+0x605/0xbe0 [ 75.623919][ T5060] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.629069][ T5060] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.635202][ T5060] ? trace_contention_end+0xd6/0x100 [ 75.640518][ T5060] ? __mutex_lock+0x1a6/0x9d0 [ 75.645293][ T5060] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.651401][ T5060] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.656415][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 75.661111][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.667138][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.673152][ T5060] netlink_rcv_skb+0x16b/0x440 [ 75.677968][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 75.682669][ T5060] ? netlink_ack+0x1380/0x1380 [ 75.687470][ T5060] ? lock_sync+0x190/0x190 [ 75.691919][ T5060] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.697246][ T5060] ? _copy_from_iter+0x2c1/0x10f0 [ 75.702301][ T5060] netlink_unicast+0x53b/0x810 [ 75.707133][ T5060] ? netlink_attachskb+0x880/0x880 [ 75.712270][ T5060] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.718212][ T5060] ? __phys_addr_symbol+0x30/0x70 [ 75.723259][ T5060] ? __check_object_size+0x323/0x730 [ 75.728585][ T5060] netlink_sendmsg+0x8b7/0xd70 [ 75.733385][ T5060] ? netlink_unicast+0x810/0x810 [ 75.738409][ T5060] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.743729][ T5060] ? netlink_unicast+0x810/0x810 [ 75.748738][ T5060] __sock_sendmsg+0xd5/0x180 [ 75.753348][ T5060] ____sys_sendmsg+0x6ac/0x940 [ 75.758152][ T5060] ? copy_msghdr_from_user+0x10b/0x160 [ 75.763635][ T5060] ? kernel_sendmsg+0x50/0x50 [ 75.768377][ T5060] ? hlock_class+0x4e/0x130 [ 75.772929][ T5060] ___sys_sendmsg+0x135/0x1d0 [ 75.777687][ T5060] ? do_recvmmsg+0x740/0x740 [ 75.782342][ T5060] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.787863][ T5060] ? __fget_light+0x1fc/0x260 [ 75.792576][ T5060] __sys_sendmsg+0x117/0x1e0 [ 75.797241][ T5060] ? __sys_sendmsg_sock+0x30/0x30 [ 75.802304][ T5060] ? ptrace_notify+0xf4/0x130 [ 75.807144][ T5060] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.813403][ T5060] do_syscall_64+0x40/0x110 [ 75.817945][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.823911][ T5060] RIP: 0033:0x7efd871bff89 [ 75.828335][ T5060] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 75.847987][ T5060] RSP: 002b:00007fff984aa248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.856446][ T5060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efd871bff89 [ 75.864452][ T5060] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.872452][ T5060] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555b1c610 [ 75.880976][ T5060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.889016][ T5060] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 75.897061][ T5060] [ 75.900104][ T5060] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.907392][ T5060] CPU: 0 PID: 5060 Comm: syz-executor255 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.917803][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.927860][ T5060] Call Trace: [ 75.931141][ T5060] [ 75.934075][ T5060] dump_stack_lvl+0xd9/0x1b0 [ 75.938679][ T5060] panic+0x6dc/0x790 [ 75.942584][ T5060] ? panic_smp_self_stop+0xa0/0xa0 [ 75.947708][ T5060] ? show_trace_log_lvl+0x363/0x4f0 [ 75.952924][ T5060] ? check_panic_on_warn+0x1f/0xb0 [ 75.958050][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.963692][ T5060] check_panic_on_warn+0xab/0xb0 [ 75.968641][ T5060] __warn+0xf2/0x390 [ 75.972543][ T5060] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.978184][ T5060] report_bug+0x3bc/0x580 [ 75.982525][ T5060] handle_bug+0x3d/0x70 [ 75.986691][ T5060] exc_invalid_op+0x17/0x40 [ 75.991207][ T5060] asm_exc_invalid_op+0x1a/0x20 [ 75.996066][ T5060] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 76.002317][ T5060] Code: 49 83 7f 40 00 75 28 e8 04 ae 50 f8 49 8d bf a0 00 00 00 48 c7 c6 c0 ae 37 89 e8 41 2c 3a f8 e9 65 f4 ff ff e8 e7 ad 50 f8 90 <0f> 0b 90 eb ad e8 dc ad 50 f8 90 0f 0b 90 eb cd e8 d1 ad 50 f8 e8 [ 76.021930][ T5060] RSP: 0018:ffffc90003abf1b0 EFLAGS: 00010293 [ 76.028008][ T5060] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 76.035981][ T5060] RDX: ffff88807c135940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 76.043957][ T5060] RBP: ffffc90003abf2a0 R08: 0000000000000005 R09: 0000000000000000 [ 76.051947][ T5060] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 76.059940][ T5060] R13: ffff88802705902c R14: ffffc90003abf35c R15: ffff888027059000 [ 76.067932][ T5060] ? ip6_route_info_create+0x19c8/0x1f10 [ 76.073585][ T5060] ? ip6_route_info_create+0x1a19/0x1f10 [ 76.079262][ T5060] ? fib6_nh_init+0x1db0/0x1db0 [ 76.084139][ T5060] ? reacquire_held_locks+0x4c0/0x4c0 [ 76.089534][ T5060] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 76.095367][ T5060] ? reacquire_held_locks+0x4c0/0x4c0 [ 76.100770][ T5060] ip6_route_add+0x26/0x1f0 [ 76.105293][ T5060] addrconf_prefix_route+0x2fe/0x510 [ 76.110599][ T5060] ? addrconf_add_mroute+0x350/0x350 [ 76.115925][ T5060] inet6_addr_add+0x605/0xbe0 [ 76.120625][ T5060] inet6_rtm_newaddr+0x11da/0x1ab0 [ 76.125760][ T5060] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 76.131841][ T5060] ? trace_contention_end+0xd6/0x100 [ 76.137141][ T5060] ? __mutex_lock+0x1a6/0x9d0 [ 76.141859][ T5060] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 76.147945][ T5060] rtnetlink_rcv_msg+0x3c7/0xe00 [ 76.152899][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 76.157590][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 76.163586][ T5060] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 76.169591][ T5060] netlink_rcv_skb+0x16b/0x440 [ 76.174370][ T5060] ? rtnl_fill_vf+0x490/0x490 [ 76.179078][ T5060] ? netlink_ack+0x1380/0x1380 [ 76.183885][ T5060] ? lock_sync+0x190/0x190 [ 76.188348][ T5060] ? netlink_deliver_tap+0x1a0/0xd00 [ 76.193654][ T5060] ? _copy_from_iter+0x2c1/0x10f0 [ 76.198709][ T5060] netlink_unicast+0x53b/0x810 [ 76.203502][ T5060] ? netlink_attachskb+0x880/0x880 [ 76.208628][ T5060] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 76.214535][ T5060] ? __phys_addr_symbol+0x30/0x70 [ 76.219584][ T5060] ? __check_object_size+0x323/0x730 [ 76.224901][ T5060] netlink_sendmsg+0x8b7/0xd70 [ 76.229703][ T5060] ? netlink_unicast+0x810/0x810 [ 76.234665][ T5060] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 76.239978][ T5060] ? netlink_unicast+0x810/0x810 [ 76.244981][ T5060] __sock_sendmsg+0xd5/0x180 [ 76.249593][ T5060] ____sys_sendmsg+0x6ac/0x940 [ 76.254380][ T5060] ? copy_msghdr_from_user+0x10b/0x160 [ 76.259947][ T5060] ? kernel_sendmsg+0x50/0x50 [ 76.264634][ T5060] ? hlock_class+0x4e/0x130 [ 76.269173][ T5060] ___sys_sendmsg+0x135/0x1d0 [ 76.273871][ T5060] ? do_recvmmsg+0x740/0x740 [ 76.278508][ T5060] ? recalc_sigpending_tsk+0x187/0x1d0 [ 76.284321][ T5060] ? __fget_light+0x1fc/0x260 [ 76.289008][ T5060] __sys_sendmsg+0x117/0x1e0 [ 76.293611][ T5060] ? __sys_sendmsg_sock+0x30/0x30 [ 76.298659][ T5060] ? ptrace_notify+0xf4/0x130 [ 76.303344][ T5060] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 76.309602][ T5060] do_syscall_64+0x40/0x110 [ 76.314127][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 76.320039][ T5060] RIP: 0033:0x7efd871bff89 [ 76.324457][ T5060] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 76.344086][ T5060] RSP: 002b:00007fff984aa248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.352515][ T5060] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efd871bff89 [ 76.360506][ T5060] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 76.368492][ T5060] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555b1c610 [ 76.376473][ T5060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.384455][ T5060] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 76.392451][ T5060] [ 76.395645][ T5060] Kernel Offset: disabled [ 76.400038][ T5060] Rebooting in 86400 seconds..