./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor820536980 <...> Warning: Permanently added '10.128.0.35' (ED25519) to the list of known hosts. execve("./syz-executor820536980", ["./syz-executor820536980"], 0x7fffda8ae060 /* 10 vars */) = 0 brk(NULL) = 0x555556def000 brk(0x555556defd00) = 0x555556defd00 arch_prctl(ARCH_SET_FS, 0x555556def380) = 0 set_tid_address(0x555556def650) = 5060 set_robust_list(0x555556def660, 24) = 0 rseq(0x555556defca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor820536980", 4096) = 27 getrandom("\x9e\x27\x4a\x8d\x15\x00\xd1\xdb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556defd00 brk(0x555556e10d00) = 0x555556e10d00 brk(0x555556e11000) = 0x555556e11000 mprotect(0x7f93d0bf2000, 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 , child_tidptr=0x555556def650) = 5061 [pid 5061] set_robust_list(0x555556def660, 24) = 0 [pid 5061] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -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 [ 72.156022][ T5064] ------------[ cut here ]------------ [ 72.161490][ T5064] WARNING: CPU: 0 PID: 5064 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 72.171703][ T5064] Modules linked in: [ 72.175633][ T5064] CPU: 0 PID: 5064 Comm: syz-executor820 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.186124][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.196217][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.202467][ 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 [ 72.222149][ T5064] RSP: 0018:ffffc9000399f1b0 EFLAGS: 00010293 [ 72.228250][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.236273][ T5064] RDX: ffff88807a7b0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.244281][ T5064] RBP: ffffc9000399f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.252241][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.260496][ T5064] R13: ffff88802833202c R14: ffffc9000399f35c R15: ffff888028332000 [ 72.268484][ T5064] FS: 0000555556def380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.277510][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.284143][ T5064] CR2: 0000000000000000 CR3: 0000000077672000 CR4: 00000000003506f0 [ 72.292135][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.300189][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.308197][ T5064] Call Trace: [ 72.311466][ T5064] [ 72.314432][ T5064] ? show_regs+0x8f/0xa0 [ 72.318675][ T5064] ? __warn+0xe6/0x390 [ 72.322736][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.328419][ T5064] ? report_bug+0x3bc/0x580 [ 72.332946][ T5064] ? handle_bug+0x3d/0x70 [ 72.337332][ T5064] ? exc_invalid_op+0x17/0x40 [ 72.342028][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 72.347094][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.352745][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.358430][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.364112][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 72.368967][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.374391][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.380220][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.385640][ T5064] ip6_route_add+0x26/0x1f0 [ 72.390160][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 72.395501][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 72.400822][ T5064] inet6_addr_add+0x605/0xbe0 [ 72.405556][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.410713][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.416854][ T5064] ? trace_contention_end+0xd6/0x100 [ 72.422171][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 72.426953][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.433044][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.438038][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.442732][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.448748][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.454790][ T5064] netlink_rcv_skb+0x16b/0x440 [ 72.459550][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.464258][ T5064] ? netlink_ack+0x1380/0x1380 [ 72.469056][ T5064] ? lock_sync+0x190/0x190 [ 72.473543][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.478855][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 72.483930][ T5064] netlink_unicast+0x53b/0x810 [ 72.488719][ T5064] ? netlink_attachskb+0x880/0x880 [ 72.493899][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.499822][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 72.504890][ T5064] ? __check_object_size+0x323/0x730 [ 72.510196][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 72.515048][ T5064] ? netlink_unicast+0x810/0x810 [ 72.520021][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 72.525342][ T5064] ? netlink_unicast+0x810/0x810 [ 72.530309][ T5064] __sock_sendmsg+0xd5/0x180 [ 72.534980][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 72.539787][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 72.545319][ T5064] ? kernel_sendmsg+0x50/0x50 [ 72.550013][ T5064] ? hlock_class+0x4e/0x130 [ 72.554588][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 72.559289][ T5064] ? do_recvmmsg+0x740/0x740 [ 72.563954][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 72.569428][ T5064] ? __fget_light+0x1fc/0x260 [ 72.574166][ T5064] __sys_sendmsg+0x117/0x1e0 [ 72.578775][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 72.583855][ T5064] ? ptrace_notify+0xf4/0x130 [ 72.588546][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 72.594856][ T5064] do_syscall_64+0x40/0x110 [ 72.599383][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 72.605334][ T5064] RIP: 0033:0x7f93d0b7ef89 [ 72.609759][ 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 [ 72.629417][ T5064] RSP: 002b:00007ffe9b7b3f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.637881][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f93d0b7ef89 [ 72.645913][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 72.653911][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556df0610 [ 72.661884][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.670370][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.678415][ T5064] [ 72.681451][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.688731][ T5064] CPU: 0 PID: 5064 Comm: syz-executor820 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 72.699126][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 72.709167][ T5064] Call Trace: [ 72.712431][ T5064] [ 72.715349][ T5064] dump_stack_lvl+0xd9/0x1b0 [ 72.719934][ T5064] panic+0x6dc/0x790 [ 72.723824][ T5064] ? panic_smp_self_stop+0xa0/0xa0 [ 72.728925][ T5064] ? show_trace_log_lvl+0x363/0x4f0 [ 72.734120][ T5064] ? check_panic_on_warn+0x1f/0xb0 [ 72.739226][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.744848][ T5064] check_panic_on_warn+0xab/0xb0 [ 72.749780][ T5064] __warn+0xf2/0x390 [ 72.753672][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 72.759294][ T5064] report_bug+0x3bc/0x580 [ 72.763619][ T5064] handle_bug+0x3d/0x70 [ 72.767766][ T5064] exc_invalid_op+0x17/0x40 [ 72.772258][ T5064] asm_exc_invalid_op+0x1a/0x20 [ 72.777118][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 72.783361][ 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 [ 72.802979][ T5064] RSP: 0018:ffffc9000399f1b0 EFLAGS: 00010293 [ 72.809048][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 72.817018][ T5064] RDX: ffff88807a7b0000 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 72.824988][ T5064] RBP: ffffc9000399f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 72.832956][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 72.840923][ T5064] R13: ffff88802833202c R14: ffffc9000399f35c R15: ffff888028332000 [ 72.848904][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 72.854545][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 72.860198][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 72.865059][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.870443][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 72.876259][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 72.881648][ T5064] ip6_route_add+0x26/0x1f0 [ 72.886161][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 72.891465][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 72.896787][ T5064] inet6_addr_add+0x605/0xbe0 [ 72.901483][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 72.906626][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.912705][ T5064] ? trace_contention_end+0xd6/0x100 [ 72.917997][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 72.922715][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 72.928791][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 72.933739][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.938421][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.944410][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.950408][ T5064] netlink_rcv_skb+0x16b/0x440 [ 72.955182][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 72.959864][ T5064] ? netlink_ack+0x1380/0x1380 [ 72.964639][ T5064] ? lock_sync+0x190/0x190 [ 72.969079][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 72.974373][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 72.979411][ T5064] netlink_unicast+0x53b/0x810 [ 72.984192][ T5064] ? netlink_attachskb+0x880/0x880 [ 72.989313][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 72.995212][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 73.000242][ T5064] ? __check_object_size+0x323/0x730 [ 73.005543][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 73.010327][ T5064] ? netlink_unicast+0x810/0x810 [ 73.015278][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 73.020568][ T5064] ? netlink_unicast+0x810/0x810 [ 73.025516][ T5064] __sock_sendmsg+0xd5/0x180 [ 73.030111][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 73.034881][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 73.040348][ T5064] ? kernel_sendmsg+0x50/0x50 [ 73.045025][ T5064] ? hlock_class+0x4e/0x130 [ 73.049549][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 73.054234][ T5064] ? do_recvmmsg+0x740/0x740 [ 73.058856][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 73.064319][ T5064] ? __fget_light+0x1fc/0x260 [ 73.068999][ T5064] __sys_sendmsg+0x117/0x1e0 [ 73.073594][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 73.078637][ T5064] ? ptrace_notify+0xf4/0x130 [ 73.083326][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 73.089579][ T5064] do_syscall_64+0x40/0x110 [ 73.094090][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 73.099999][ T5064] RIP: 0033:0x7f93d0b7ef89 [ 73.104415][ 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 [ 73.124022][ T5064] RSP: 002b:00007ffe9b7b3f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.132433][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f93d0b7ef89 [ 73.140404][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 73.148373][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555556df0610 [ 73.156341][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 73.164307][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 73.172289][ T5064] [ 73.175491][ T5064] Kernel Offset: disabled [ 73.179880][ T5064] Rebooting in 86400 seconds..