./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2424350431 <...> Warning: Permanently added '10.128.0.227' (ED25519) to the list of known hosts. execve("./syz-executor2424350431", ["./syz-executor2424350431"], 0x7ffda9d5f5f0 /* 10 vars */) = 0 brk(NULL) = 0x555555655000 brk(0x555555655d00) = 0x555555655d00 arch_prctl(ARCH_SET_FS, 0x555555655380) = 0 set_tid_address(0x555555655650) = 5060 set_robust_list(0x555555655660, 24) = 0 rseq(0x555555655ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2424350431", 4096) = 28 getrandom("\x04\x33\xc4\x37\x0a\x93\x7f\x9c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555655d00 brk(0x555555676d00) = 0x555555676d00 brk(0x555555677000) = 0x555555677000 mprotect(0x7f230c46a000, 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=0x555555655650) = 5061 [pid 5061] set_robust_list(0x555555655660, 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 [ 75.097731][ T5064] ------------[ cut here ]------------ [ 75.103229][ T5064] WARNING: CPU: 1 PID: 5064 at include/net/ip6_fib.h:332 ip6_route_info_create+0x1a1a/0x1f10 [ 75.113752][ T5064] Modules linked in: [ 75.117786][ T5064] CPU: 1 PID: 5064 Comm: syz-executor242 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.128256][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.138329][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.144573][ 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 [ 75.164364][ T5064] RSP: 0018:ffffc90003a1f1b0 EFLAGS: 00010293 [ 75.170462][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.178470][ T5064] RDX: ffff888027471dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.186496][ T5064] RBP: ffffc90003a1f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.194492][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.202517][ T5064] R13: ffff888027a1742c R14: ffffc90003a1f35c R15: ffff888027a17400 [ 75.210519][ T5064] FS: 0000555555655380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 75.219494][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.226092][ T5064] CR2: 0000000000000000 CR3: 000000007692c000 CR4: 00000000003506f0 [ 75.234144][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.242154][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.250276][ T5064] Call Trace: [ 75.253546][ T5064] [ 75.256514][ T5064] ? show_regs+0x8f/0xa0 [ 75.260789][ T5064] ? __warn+0xe6/0x390 [ 75.264880][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.270659][ T5064] ? report_bug+0x3bc/0x580 [ 75.275184][ T5064] ? handle_bug+0x3d/0x70 [ 75.279576][ T5064] ? exc_invalid_op+0x17/0x40 [ 75.284277][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 75.289355][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.295021][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.300708][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.306463][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 75.311429][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.316879][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.322730][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.328207][ T5064] ip6_route_add+0x26/0x1f0 [ 75.332738][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 75.338086][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 75.343415][ T5064] inet6_addr_add+0x605/0xbe0 [ 75.348148][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.353381][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.359516][ T5064] ? trace_contention_end+0xd6/0x100 [ 75.364909][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 75.369679][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.375769][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.381024][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.385718][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.391747][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.397789][ T5064] netlink_rcv_skb+0x16b/0x440 [ 75.402649][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.407367][ T5064] ? netlink_ack+0x1380/0x1380 [ 75.412369][ T5064] ? lock_sync+0x190/0x190 [ 75.416891][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.422216][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 75.427307][ T5064] netlink_unicast+0x53b/0x810 [ 75.432193][ T5064] ? netlink_attachskb+0x880/0x880 [ 75.437372][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.443303][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 75.448499][ T5064] ? __check_object_size+0x323/0x730 [ 75.453918][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 75.458865][ T5064] ? netlink_unicast+0x810/0x810 [ 75.463858][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.469198][ T5064] ? netlink_unicast+0x810/0x810 [ 75.474229][ T5064] __sock_sendmsg+0xd5/0x180 [ 75.478895][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 75.483682][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 75.489312][ T5064] ? kernel_sendmsg+0x50/0x50 [ 75.494050][ T5064] ? hlock_class+0x4e/0x130 [ 75.498616][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 75.503420][ T5064] ? do_recvmmsg+0x740/0x740 [ 75.508090][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.513578][ T5064] ? __fget_light+0x1fc/0x260 [ 75.518325][ T5064] __sys_sendmsg+0x117/0x1e0 [ 75.522957][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 75.528056][ T5064] ? ptrace_notify+0xf4/0x130 [ 75.532761][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.539078][ T5064] do_syscall_64+0x40/0x110 [ 75.543610][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.549583][ T5064] RIP: 0033:0x7f230c3f6f09 [ 75.554046][ 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 [ 75.573727][ T5064] RSP: 002b:00007ffd03227db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.582456][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f230c3f6f09 [ 75.590499][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 75.598678][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555656610 [ 75.607174][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.615171][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 75.623214][ T5064] [ 75.626304][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.633604][ T5064] CPU: 1 PID: 5064 Comm: syz-executor242 Not tainted 6.7.0-rc3-syzkaller-00805-g5a08d0065a91 #0 [ 75.644007][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 75.654079][ T5064] Call Trace: [ 75.657351][ T5064] [ 75.660295][ T5064] dump_stack_lvl+0xd9/0x1b0 [ 75.665086][ T5064] panic+0x6dc/0x790 [ 75.668983][ T5064] ? panic_smp_self_stop+0xa0/0xa0 [ 75.674115][ T5064] ? show_trace_log_lvl+0x363/0x4f0 [ 75.679332][ T5064] ? check_panic_on_warn+0x1f/0xb0 [ 75.684456][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.690090][ T5064] check_panic_on_warn+0xab/0xb0 [ 75.695034][ T5064] __warn+0xf2/0x390 [ 75.699017][ T5064] ? ip6_route_info_create+0x1a1a/0x1f10 [ 75.704646][ T5064] report_bug+0x3bc/0x580 [ 75.708982][ T5064] handle_bug+0x3d/0x70 [ 75.713174][ T5064] exc_invalid_op+0x17/0x40 [ 75.717671][ T5064] asm_exc_invalid_op+0x1a/0x20 [ 75.722617][ T5064] RIP: 0010:ip6_route_info_create+0x1a1a/0x1f10 [ 75.728850][ 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 [ 75.748547][ T5064] RSP: 0018:ffffc90003a1f1b0 EFLAGS: 00010293 [ 75.754618][ T5064] RAX: 0000000000000000 RBX: 0000000000400000 RCX: ffffffff8936e418 [ 75.762587][ T5064] RDX: ffff888027471dc0 RSI: ffffffff8936e469 RDI: 0000000000000005 [ 75.770557][ T5064] RBP: ffffc90003a1f2a0 R08: 0000000000000005 R09: 0000000000000000 [ 75.778529][ T5064] R10: 0000000000400000 R11: 0000000000000001 R12: ffffffffffffff9c [ 75.786511][ T5064] R13: ffff888027a1742c R14: ffffc90003a1f35c R15: ffff888027a17400 [ 75.794491][ T5064] ? ip6_route_info_create+0x19c8/0x1f10 [ 75.800136][ T5064] ? ip6_route_info_create+0x1a19/0x1f10 [ 75.805793][ T5064] ? fib6_nh_init+0x1db0/0x1db0 [ 75.810650][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.816120][ T5064] ? atomic_notifier_call_chain+0xa3/0x1b0 [ 75.822117][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 75.827594][ T5064] ip6_route_add+0x26/0x1f0 [ 75.832107][ T5064] addrconf_prefix_route+0x2fe/0x510 [ 75.837498][ T5064] ? addrconf_add_mroute+0x350/0x350 [ 75.842817][ T5064] inet6_addr_add+0x605/0xbe0 [ 75.847600][ T5064] inet6_rtm_newaddr+0x11da/0x1ab0 [ 75.852729][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.858822][ T5064] ? trace_contention_end+0xd6/0x100 [ 75.864114][ T5064] ? __mutex_lock+0x1a6/0x9d0 [ 75.868827][ T5064] ? addrconf_prefix_rcv_add_addr+0x970/0x970 [ 75.874905][ T5064] rtnetlink_rcv_msg+0x3c7/0xe00 [ 75.879852][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.884632][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.890623][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.896626][ T5064] netlink_rcv_skb+0x16b/0x440 [ 75.901435][ T5064] ? rtnl_fill_vf+0x490/0x490 [ 75.906120][ T5064] ? netlink_ack+0x1380/0x1380 [ 75.910892][ T5064] ? lock_sync+0x190/0x190 [ 75.915421][ T5064] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.920716][ T5064] ? _copy_from_iter+0x2c1/0x10f0 [ 75.925760][ T5064] netlink_unicast+0x53b/0x810 [ 75.930715][ T5064] ? netlink_attachskb+0x880/0x880 [ 75.935933][ T5064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.941836][ T5064] ? __phys_addr_symbol+0x30/0x70 [ 75.946873][ T5064] ? __check_object_size+0x323/0x730 [ 75.952297][ T5064] netlink_sendmsg+0x8b7/0xd70 [ 75.957079][ T5064] ? netlink_unicast+0x810/0x810 [ 75.962033][ T5064] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.967328][ T5064] ? netlink_unicast+0x810/0x810 [ 75.972280][ T5064] __sock_sendmsg+0xd5/0x180 [ 75.976877][ T5064] ____sys_sendmsg+0x6ac/0x940 [ 75.981647][ T5064] ? copy_msghdr_from_user+0x10b/0x160 [ 75.987133][ T5064] ? kernel_sendmsg+0x50/0x50 [ 75.991859][ T5064] ? hlock_class+0x4e/0x130 [ 75.996396][ T5064] ___sys_sendmsg+0x135/0x1d0 [ 76.001269][ T5064] ? do_recvmmsg+0x740/0x740 [ 76.005913][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 76.011391][ T5064] ? __fget_light+0x1fc/0x260 [ 76.016082][ T5064] __sys_sendmsg+0x117/0x1e0 [ 76.020681][ T5064] ? __sys_sendmsg_sock+0x30/0x30 [ 76.025728][ T5064] ? ptrace_notify+0xf4/0x130 [ 76.030407][ T5064] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 76.036762][ T5064] do_syscall_64+0x40/0x110 [ 76.041274][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 76.047185][ T5064] RIP: 0033:0x7f230c3f6f09 [ 76.051604][ 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 [ 76.071240][ T5064] RSP: 002b:00007ffd03227db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.079748][ T5064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f230c3f6f09 [ 76.087727][ T5064] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 [ 76.096218][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555656610 [ 76.104190][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.112253][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 76.120243][ T5064] [ 76.123478][ T5064] Kernel Offset: disabled [ 76.127878][ T5064] Rebooting in 86400 seconds..