./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3056549748 <...> Warning: Permanently added '10.128.0.138' (ED25519) to the list of known hosts. execve("./syz-executor3056549748", ["./syz-executor3056549748"], 0x7ffd5d2df810 /* 10 vars */) = 0 brk(NULL) = 0x5555574ec000 brk(0x5555574ecd00) = 0x5555574ecd00 arch_prctl(ARCH_SET_FS, 0x5555574ec380) = 0 set_tid_address(0x5555574ec650) = 5060 set_robust_list(0x5555574ec660, 24) = 0 rseq(0x5555574ecca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3056549748", 4096) = 28 getrandom("\xd2\x33\x31\x90\x1a\x24\xbb\x66", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555574ecd00 brk(0x55555750dd00) = 0x55555750dd00 brk(0x55555750e000) = 0x55555750e000 mprotect(0x7f55fef4d000, 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 5061 attached [pid 5061] set_robust_list(0x5555574ec660, 24) = 0 [pid 5061] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5060] <... clone resumed>, child_tidptr=0x5555574ec650) = 5061 [pid 5061] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5061] setsid() = 1 [pid 5061] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5061] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5061] unshare(CLONE_NEWNS) = 0 [pid 5061] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5061] unshare(CLONE_NEWIPC) = 0 [pid 5061] unshare(CLONE_NEWCGROUP) = 0 [pid 5061] unshare(CLONE_NEWUTS) = 0 [pid 5061] unshare(CLONE_SYSVSEM) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "16777216", 8) = 8 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "536870912", 9) = 9 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "8192", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024", 4) = 4 [pid 5061] close(3) = 0 [pid 5061] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5061] close(3) = 0 [pid 5061] getpid() = 1 [pid 5061] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 12]) = 0 [ 77.734398][ T5064] ------------[ cut here ]------------ [ 77.740004][ T5064] WARNING: CPU: 0 PID: 5064 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 77.750240][ T5064] Modules linked in: [ 77.754141][ T5064] CPU: 0 PID: 5064 Comm: syz-executor305 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 77.764907][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 77.775322][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 77.781607][ T5064] 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 [ 77.801286][ T5064] RSP: 0018:ffffc90003d071b0 EFLAGS: 00010293 [ 77.807396][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 77.815457][ T5064] RDX: ffff88802a2c8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 77.823449][ T5064] RBP: ffffc90003d072a0 R08: 0000000000000005 R09: 0000000000000000 [ 77.831487][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 77.839496][ T5064] R13: ffff8880201d642c R14: ffffc90003d0735c R15: ffff8880201d6400 [ 77.847494][ T5064] FS: 00005555574ec380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 77.856456][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.863042][ T5064] CR2: 0000000000000000 CR3: 000000007ac7a000 CR4: 00000000003506f0 [ 77.871058][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.879093][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.887097][ T5064] Call Trace: [ 77.890383][ T5064] [ 77.893307][ T5064] ? show_regs+0x8f/0xa0 [ 77.897604][ T5064] ? __warn+0xe6/0x390 [ 77.901691][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 77.907368][ T5064] ? report_bug+0x3bc/0x580 [ 77.911899][ T5064] ? handle_bug+0x3d/0x70 [ 77.916512][ T5064] ? exc_invalid_op+0x17/0x40 [ 77.921216][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 77.926293][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 77.931961][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 77.937650][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 77.943308][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 77.948215][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 77.953623][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 77.959522][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 77.964945][ T5064] ip6_route_add+0x26/0x1f0 [ 77.969445][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 77.974795][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 77.980125][ T5064] inet6_addr_add+0x605/0xbe0 [ 77.984880][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 77.990018][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 77.996143][ T5064] ? trace_contention_end+0xd6/0x100 [ 78.001457][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 78.006236][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 78.012325][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 78.017337][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 78.022032][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.028074][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.034084][ T5064] netlink_rcv_skb+0x16b/0x440 [ 78.038924][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 78.043622][ T5064] ? netlink_ack+0x1380/0x1380 [ 78.048431][ T5064] ? lock_sync+0x190/0x190 [ 78.052881][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 78.058227][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 78.063274][ T5064] netlink_unicast+0x53b/0x810 [ 78.068085][ T5064] ? netlink_attachskb+0x880/0x880 [ 78.073218][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 78.079436][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 78.084494][ T5064] ? __check_object_size+0x323/0x730 [ 78.089871][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 78.094729][ T5064] ? netlink_unicast+0x810/0x810 [ 78.099692][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 78.105013][ T5064] ? netlink_unicast+0x810/0x810 [ 78.109975][ T5064] __sock_sendmsg+0xd5/0x180 [ 78.114628][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 78.119412][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 78.124916][ T5064] ? kernel_sendmsg+0x50/0x50 [ 78.129605][ T5064] ? hlock_class+0x4e/0x130 [ 78.134111][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 78.138847][ T5064] ? do_recvmmsg+0x740/0x740 [ 78.143474][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 78.148968][ T5064] ? __fget_light+0x1fc/0x260 [ 78.153662][ T5064] __sys_sendmsg+0x117/0x1e0 [ 78.158356][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 78.163412][ T5064] ? ptrace_notify+0xf4/0x130 [ 78.168127][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 78.174390][ T5064] do_syscall_64+0x40/0x110 [ 78.178949][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 78.184892][ T5064] RIP: 0033:0x7f55feed9f89 [ 78.189295][ T5064] 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 [ 78.208958][ T5064] RSP: 002b:00007ffff5e57a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.217448][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55feed9f89 [ 78.225485][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 78.233468][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555574ed610 [ 78.241905][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.249949][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 78.257985][ T5064] [ 78.261013][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 78.268275][ T5064] CPU: 0 PID: 5064 Comm: syz-executor305 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 78.278671][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 78.288712][ T5064] Call Trace: [ 78.291977][ T5064] [ 78.294898][ T5064] dump_stack_lvl+0xd9/0x1b0 [ 78.299483][ T5064] panic+0x6dc/0x790 [ 78.303368][ T5064] ? panic_smp_self_stop+0xa0/0xa0 [ 78.309183][ T5064] ? show_trace_log_lvl+0x363/0x4f0 [ 78.314384][ T5064] ? check_panic_on_warn+0x1f/0xb0 [ 78.319519][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.325155][ T5064] check_panic_on_warn+0xab/0xb0 [ 78.330093][ T5064] __warn+0xf2/0x390 [ 78.333996][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 78.339626][ T5064] report_bug+0x3bc/0x580 [ 78.343958][ T5064] handle_bug+0x3d/0x70 [ 78.348117][ T5064] exc_invalid_op+0x17/0x40 [ 78.352627][ T5064] asm_exc_invalid_op+0x1a/0x20 [ 78.357503][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 78.363738][ T5064] 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 [ 78.383343][ T5064] RSP: 0018:ffffc90003d071b0 EFLAGS: 00010293 [ 78.389444][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 78.397428][ T5064] RDX: ffff88802a2c8000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 78.405402][ T5064] RBP: ffffc90003d072a0 R08: 0000000000000005 R09: 0000000000000000 [ 78.413384][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 78.421364][ T5064] R13: ffff8880201d642c R14: ffffc90003d0735c R15: ffff8880201d6400 [ 78.429350][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 78.434996][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 78.440651][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 78.445508][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 78.451954][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 78.457792][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 78.463186][ T5064] ip6_route_add+0x26/0x1f0 [ 78.467704][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 78.473006][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 78.478330][ T5064] inet6_addr_add+0x605/0xbe0 [ 78.483028][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 78.488157][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 78.494942][ T5064] ? trace_contention_end+0xd6/0x100 [ 78.500248][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 78.504966][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 78.511044][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 78.516011][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 78.520701][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.526694][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 78.532698][ T5064] netlink_rcv_skb+0x16b/0x440 [ 78.537478][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 78.542164][ T5064] ? netlink_ack+0x1380/0x1380 [ 78.546942][ T5064] ? lock_sync+0x190/0x190 [ 78.551385][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 78.556684][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 78.561724][ T5064] netlink_unicast+0x53b/0x810 [ 78.566506][ T5064] ? netlink_attachskb+0x880/0x880 [ 78.571630][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 78.577536][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 78.582567][ T5064] ? __check_object_size+0x323/0x730 [ 78.587868][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 78.592651][ T5064] ? netlink_unicast+0x810/0x810 [ 78.597602][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 78.602892][ T5064] ? netlink_unicast+0x810/0x810 [ 78.607843][ T5064] __sock_sendmsg+0xd5/0x180 [ 78.612439][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 78.617208][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 78.622675][ T5064] ? kernel_sendmsg+0x50/0x50 [ 78.627357][ T5064] ? hlock_class+0x4e/0x130 [ 78.631883][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 78.636569][ T5064] ? do_recvmmsg+0x740/0x740 [ 78.641192][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 78.646654][ T5064] ? __fget_light+0x1fc/0x260 [ 78.651342][ T5064] __sys_sendmsg+0x117/0x1e0 [ 78.655940][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 78.660983][ T5064] ? ptrace_notify+0xf4/0x130 [ 78.665665][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 78.671916][ T5064] do_syscall_64+0x40/0x110 [ 78.676427][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 78.682336][ T5064] RIP: 0033:0x7f55feed9f89 [ 78.686753][ T5064] 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 [ 78.706359][ T5064] RSP: 002b:00007ffff5e57a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.714777][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55feed9f89 [ 78.722744][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 78.730715][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555574ed610 [ 78.738683][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.746651][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 78.754632][ T5064] [ 78.757822][ T5064] Kernel Offset: disabled [ 78.762202][ T5064] Rebooting in 86400 seconds..