./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3456116983 <...> Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts. execve("./syz-executor3456116983", ["./syz-executor3456116983"], 0x7fffd3067fd0 /* 10 vars */) = 0 brk(NULL) = 0x555556b16000 brk(0x555556b16d00) = 0x555556b16d00 arch_prctl(ARCH_SET_FS, 0x555556b16380) = 0 set_tid_address(0x555556b16650) = 5063 set_robust_list(0x555556b16660, 24) = 0 rseq(0x555556b16ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3456116983", 4096) = 28 getrandom("\xc6\xfb\x9c\xcb\x75\xeb\xf1\x03", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b16d00 brk(0x555556b37d00) = 0x555556b37d00 brk(0x555556b38000) = 0x555556b38000 mprotect(0x7f090e6d6000, 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, child_tidptr=0x555556b16650) = 5064 ./strace-static-x86_64: Process 5064 attached [pid 5064] set_robust_list(0x555556b16660, 24) = 0 [pid 5064] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] setsid() = 1 [pid 5064] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5064] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5064] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5064] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5064] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5064] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5064] unshare(CLONE_NEWNS) = 0 [pid 5064] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5064] unshare(CLONE_NEWIPC) = 0 [pid 5064] unshare(CLONE_NEWCGROUP) = 0 [pid 5064] unshare(CLONE_NEWUTS) = 0 [pid 5064] unshare(CLONE_SYSVSEM) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "16777216", 8) = 8 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "536870912", 9) = 9 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1024", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "8192", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1024", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1024", 4) = 4 [pid 5064] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5064] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5064] close(3) = 0 [pid 5064] getpid() = 1 [pid 5064] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 73.767054][ T5067] ------------[ cut here ]------------ [ 73.772579][ T5067] WARNING: CPU: 0 PID: 5067 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 73.782886][ T5067] Modules linked in: [ 73.786798][ T5067] CPU: 0 PID: 5067 Comm: syz-executor345 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 73.797237][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 73.807650][ T5067] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 73.813925][ T5067] 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 [ 73.833823][ T5067] RSP: 0018:ffffc900040df1b0 EFLAGS: 00010293 [ 73.839963][ T5067] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 73.848015][ T5067] RDX: ffff888017f05940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 73.856101][ T5067] RBP: ffffc900040df2a0 R08: 0000000000000005 R09: 0000000000000000 [ 73.864113][ T5067] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 73.872150][ T5067] R13: ffff88802092a42c R14: ffffc900040df35c R15: ffff88802092a400 [ 73.880225][ T5067] FS: 0000555556b16380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 73.889194][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.895802][ T5067] CR2: 0000000000000000 CR3: 000000007adfb000 CR4: 00000000003506f0 [ 73.903810][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.911807][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.919818][ T5067] Call Trace: [ 73.923113][ T5067] [ 73.926047][ T5067] ? show_regs+0x8f/0xa0 [ 73.930334][ T5067] ? __warn+0xe6/0x390 [ 73.934431][ T5067] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.940111][ T5067] ? report_bug+0x3bc/0x580 [ 73.944637][ T5067] ? handle_bug+0x3d/0x70 [ 73.949029][ T5067] ? exc_invalid_op+0x17/0x40 [ 73.953729][ T5067] ? asm_exc_invalid_op+0x1a/0x20 [ 73.958813][ T5067] ? ip6_route_info_create+0x19c8/0x1f10 [ 73.964594][ T5067] ? ip6_route_info_create+0x1a19/0x1f10 [ 73.970436][ T5067] ? ip6_route_info_create+0x1a1a/0x1f10 [ 73.976136][ T5067] ? fib6_nh_init+0x1db0/0x1db0 [ 73.981115][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.986604][ T5067] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 73.992543][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 73.998008][ T5067] ip6_route_add+0x26/0x1f0 [ 74.002513][ T5067] addrconf_prefix_route+0x2fe/0x510 [ 74.007940][ T5067] ? addrconf_add_mroute+0x350/0x350 [ 74.013271][ T5067] inet6_addr_add+0x605/0xbe0 [ 74.017997][ T5067] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.023140][ T5067] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.029249][ T5067] ? trace_contention_end+0xd6/0x100 [ 74.034600][ T5067] ? __mutex_lock+0x1a6/0x9d0 [ 74.039348][ T5067] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.045473][ T5067] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.050545][ T5067] ? rtnl_fill_vf+0x490/0x490 [ 74.055245][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.061271][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.067286][ T5067] netlink_rcv_skb+0x16b/0x440 [ 74.072133][ T5067] ? rtnl_fill_vf+0x490/0x490 [ 74.076863][ T5067] ? netlink_ack+0x1380/0x1380 [ 74.081694][ T5067] ? lock_sync+0x190/0x190 [ 74.086165][ T5067] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.091523][ T5067] ? _copy_from_iter+0x2c1/0x10f0 [ 74.096605][ T5067] netlink_unicast+0x53b/0x810 [ 74.101412][ T5067] ? netlink_attachskb+0x880/0x880 [ 74.106550][ T5067] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.112492][ T5067] ? __phys_addr_symbol+0x30/0x70 [ 74.117585][ T5067] ? __check_object_size+0x323/0x730 [ 74.122956][ T5067] netlink_sendmsg+0x8b7/0xd70 [ 74.127852][ T5067] ? netlink_unicast+0x810/0x810 [ 74.132827][ T5067] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.138158][ T5067] ? netlink_unicast+0x810/0x810 [ 74.143128][ T5067] __sock_sendmsg+0xd5/0x180 [ 74.147779][ T5067] ____sys_sendmsg+0x6ac/0x940 [ 74.152580][ T5067] ? copy_msghdr_from_user+0x10b/0x160 [ 74.158089][ T5067] ? kernel_sendmsg+0x50/0x50 [ 74.162782][ T5067] ? hlock_class+0x4e/0x130 [ 74.167294][ T5067] ___sys_sendmsg+0x135/0x1d0 [ 74.172015][ T5067] ? do_recvmmsg+0x740/0x740 [ 74.176679][ T5067] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.182177][ T5067] ? __fget_light+0x1fc/0x260 [ 74.186882][ T5067] __sys_sendmsg+0x117/0x1e0 [ 74.191544][ T5067] ? __sys_sendmsg_sock+0x30/0x30 [ 74.196604][ T5067] ? ptrace_notify+0xf4/0x130 [ 74.201362][ T5067] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.207664][ T5067] do_syscall_64+0x40/0x110 [ 74.212213][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.218190][ T5067] RIP: 0033:0x7f090e662f89 [ 74.222627][ T5067] 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 [ 74.242482][ T5067] RSP: 002b:00007ffe96c83e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.251034][ T5067] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f090e662f89 [ 74.259130][ T5067] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.267119][ T5067] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556b17610 [ 74.275628][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.283647][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.291712][ T5067] [ 74.294736][ T5067] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.302003][ T5067] CPU: 0 PID: 5067 Comm: syz-executor345 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 74.312405][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 74.322461][ T5067] Call Trace: [ 74.325749][ T5067] [ 74.328680][ T5067] dump_stack_lvl+0xd9/0x1b0 [ 74.333289][ T5067] panic+0x6dc/0x790 [ 74.337196][ T5067] ? panic_smp_self_stop+0xa0/0xa0 [ 74.342317][ T5067] ? show_trace_log_lvl+0x363/0x4f0 [ 74.347537][ T5067] ? check_panic_on_warn+0x1f/0xb0 [ 74.352661][ T5067] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.358308][ T5067] check_panic_on_warn+0xab/0xb0 [ 74.363263][ T5067] __warn+0xf2/0x390 [ 74.367172][ T5067] ? ip6_route_info_create+0x1a1a/0x1f10 [ 74.372817][ T5067] report_bug+0x3bc/0x580 [ 74.377179][ T5067] handle_bug+0x3d/0x70 [ 74.381370][ T5067] exc_invalid_op+0x17/0x40 [ 74.385896][ T5067] asm_exc_invalid_op+0x1a/0x20 [ 74.390767][ T5067] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 74.397036][ T5067] 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 [ 74.416669][ T5067] RSP: 0018:ffffc900040df1b0 EFLAGS: 00010293 [ 74.422752][ T5067] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 74.430733][ T5067] RDX: ffff888017f05940 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 74.438714][ T5067] RBP: ffffc900040df2a0 R08: 0000000000000005 R09: 0000000000000000 [ 74.446709][ T5067] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 74.454709][ T5067] R13: ffff88802092a42c R14: ffffc900040df35c R15: ffff88802092a400 [ 74.462797][ T5067] ? ip6_route_info_create+0x19c8/0x1f10 [ 74.468450][ T5067] ? ip6_route_info_create+0x1a19/0x1f10 [ 74.474116][ T5067] ? fib6_nh_init+0x1db0/0x1db0 [ 74.478980][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.484370][ T5067] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 74.490210][ T5067] ? reacquire_held_locks+0x4c0/0x4c0 [ 74.495610][ T5067] ip6_route_add+0x26/0x1f0 [ 74.500127][ T5067] addrconf_prefix_route+0x2fe/0x510 [ 74.505429][ T5067] ? addrconf_add_mroute+0x350/0x350 [ 74.510756][ T5067] inet6_addr_add+0x605/0xbe0 [ 74.515461][ T5067] inet6_rtm_newaddr+0x11da/0x1ab0 [ 74.520598][ T5067] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.526681][ T5067] ? trace_contention_end+0xd6/0x100 [ 74.531977][ T5067] ? __mutex_lock+0x1a6/0x9d0 [ 74.536698][ T5067] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 74.542778][ T5067] rtnetlink_rcv_msg+0x3c7/0xe00 [ 74.547734][ T5067] ? rtnl_fill_vf+0x490/0x490 [ 74.552422][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.558421][ T5067] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.564426][ T5067] netlink_rcv_skb+0x16b/0x440 [ 74.569230][ T5067] ? rtnl_fill_vf+0x490/0x490 [ 74.573925][ T5067] ? netlink_ack+0x1380/0x1380 [ 74.578704][ T5067] ? lock_sync+0x190/0x190 [ 74.583150][ T5067] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.588452][ T5067] ? _copy_from_iter+0x2c1/0x10f0 [ 74.593539][ T5067] netlink_unicast+0x53b/0x810 [ 74.598324][ T5067] ? netlink_attachskb+0x880/0x880 [ 74.603540][ T5067] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 74.609450][ T5067] ? __phys_addr_symbol+0x30/0x70 [ 74.614491][ T5067] ? __check_object_size+0x323/0x730 [ 74.619789][ T5067] netlink_sendmsg+0x8b7/0xd70 [ 74.624579][ T5067] ? netlink_unicast+0x810/0x810 [ 74.629562][ T5067] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 74.634948][ T5067] ? netlink_unicast+0x810/0x810 [ 74.639903][ T5067] __sock_sendmsg+0xd5/0x180 [ 74.644505][ T5067] ____sys_sendmsg+0x6ac/0x940 [ 74.649281][ T5067] ? copy_msghdr_from_user+0x10b/0x160 [ 74.654755][ T5067] ? kernel_sendmsg+0x50/0x50 [ 74.659443][ T5067] ? hlock_class+0x4e/0x130 [ 74.663972][ T5067] ___sys_sendmsg+0x135/0x1d0 [ 74.668761][ T5067] ? do_recvmmsg+0x740/0x740 [ 74.673389][ T5067] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.678853][ T5067] ? __fget_light+0x1fc/0x260 [ 74.683622][ T5067] __sys_sendmsg+0x117/0x1e0 [ 74.688224][ T5067] ? __sys_sendmsg_sock+0x30/0x30 [ 74.693280][ T5067] ? ptrace_notify+0xf4/0x130 [ 74.697969][ T5067] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.704236][ T5067] do_syscall_64+0x40/0x110 [ 74.708764][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.714747][ T5067] RIP: 0033:0x7f090e662f89 [ 74.719256][ T5067] 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 [ 74.738869][ T5067] RSP: 002b:00007ffe96c83e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.747285][ T5067] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f090e662f89 [ 74.755262][ T5067] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 74.763233][ T5067] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556b17610 [ 74.771210][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.779185][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 74.787262][ T5067] [ 74.790531][ T5067] Kernel Offset: disabled [ 74.795024][ T5067] Rebooting in 86400 seconds..