./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3612515514 <...> Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts. execve("./syz-executor3612515514", ["./syz-executor3612515514"], 0x7ffcd557f1a0 /* 10 vars */) = 0 brk(NULL) = 0x5555571fe000 brk(0x5555571fee00) = 0x5555571fee00 arch_prctl(ARCH_SET_FS, 0x5555571fe480) = 0 set_tid_address(0x5555571fe750) = 5039 set_robust_list(0x5555571fe760, 24) = 0 rseq(0x5555571feda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3612515514", 4096) = 28 getrandom("\xf8\x65\x75\x36\xfa\xf5\x9d\x48", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555571fee00 brk(0x55555721fe00) = 0x55555721fe00 brk(0x555557220000) = 0x555557220000 mprotect(0x7f87077ce000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f8707720d90, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f870772b6f0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f8707720d90, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f870772b6f0}, NULL, 8) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571fe750) = 5040 ./strace-static-x86_64: Process 5040 attached [pid 5040] set_robust_list(0x5555571fe760, 24) = 0 [pid 5040] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5040] setsid() = 1 [pid 5040] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5040] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5040] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5040] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5040] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5040] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5040] unshare(CLONE_NEWNS) = 0 [pid 5040] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5040] unshare(CLONE_NEWIPC) = 0 [pid 5040] unshare(CLONE_NEWCGROUP) = 0 [pid 5040] unshare(CLONE_NEWUTS) = 0 [pid 5040] unshare(CLONE_SYSVSEM) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "16777216", 8) = 8 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "536870912", 9) = 9 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1024", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "8192", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1024", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1024", 4) = 4 [pid 5040] close(3) = 0 [pid 5040] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5040] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5040] close(3) = 0 [pid 5040] getpid() = 1 [pid 5040] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 65.660562][ T5040] dump_stack_lvl+0x125/0x1b0 [ 65.665234][ T5040] should_fail_ex+0x496/0x5b0 [ 65.669958][ T5040] should_failslab+0x9/0x20 [ 65.674749][ T5040] __kmem_cache_alloc_node+0x6b/0x350 [ 65.680128][ T5040] ? nsim_fib_event_nb+0x1b2/0xeb0 [ 65.685235][ T5040] kmalloc_trace+0x25/0xe0 [ 65.689747][ T5040] nsim_fib_event_nb+0x1b2/0xeb0 [ 65.694697][ T5040] ? lock_sync+0x190/0x190 [ 65.699123][ T5040] ? lock_release+0x4bf/0x680 [ 65.703802][ T5040] ? kmem_cache_alloc+0x34e/0x3b0 [ 65.708833][ T5040] ? net_generic+0xd9/0x2a0 [ 65.713332][ T5040] ? reacquire_held_locks+0x4b0/0x4b0 [ 65.718708][ T5040] notifier_call_chain+0xb6/0x3b0 [ 65.723739][ T5040] ? nsim_fib_rt_free+0x420/0x420 [ 65.728799][ T5040] atomic_notifier_call_chain+0x73/0x1c0 [ 65.734444][ T5040] call_fib_notifiers+0x33/0x70 [ 65.739295][ T5040] fib6_add+0x25bf/0x4700 [ 65.743640][ T5040] ? fib6_update_sernum_stub+0x80/0x80 [ 65.749103][ T5040] ? spin_bug+0x1d0/0x1d0 [ 65.753445][ T5040] ? ip6_route_add+0x8d/0x150 [ 65.758124][ T5040] ip6_route_add+0x8d/0x150 [ 65.762631][ T5040] ipv6_route_ioctl+0x3ff/0x590 [ 65.767490][ T5040] ? rt6_purge_dflt_routers+0xe70/0xe70 [ 65.773129][ T5040] ? rcu_is_watching+0x12/0xb0 [ 65.778016][ T5040] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 65.784347][ T5040] inet6_ioctl+0x260/0x2a0 [ 65.788764][ T5040] ? inet6_release+0x70/0x70 [ 65.793359][ T5040] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 65.799173][ T5040] sock_do_ioctl+0x113/0x270 [ 65.803777][ T5040] ? get_user_ifreq+0x250/0x250 [ 65.808632][ T5040] ? do_vfs_ioctl+0x379/0x1920 [ 65.813392][ T5040] ? vfs_fileattr_set+0xbf0/0xbf0 [ 65.818415][ T5040] sock_ioctl+0x229/0x6b0 [ 65.822761][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 65.827359][ T5040] ? bpf_lsm_file_ioctl+0x9/0x10 [ 65.832382][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 65.836974][ T5040] __x64_sys_ioctl+0x18f/0x210 [ 65.841746][ T5040] do_syscall_64+0x38/0xb0 [ 65.846257][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.852156][ T5040] RIP: 0033:0x7f8707756359 [ 65.856567][ T5040] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 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 [ 65.876170][ T5040] RSP: 002b:00007ffefb5abdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 65.884675][ T5040] RAX: ffffffffffffffda RBX: 00007ffefb5abe00 RCX: 00007f8707756359 [ 65.892643][ T5040] RDX: 0000000020000000 RSI: 000000000000890b RDI: 0000000000000005 [ 65.900607][ T5040] RBP: 0000000000000001 R08: 00007ffefb5abb97 R09: 0000000000000036 [ 65.908572][ T5040] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffefb5abe70 [ 65.916539][ T5040] R13: 00007ffefb5abe40 R14: 0000000000000001 R15: 00007ffefb5abe70 [ 65.924507][ T5040] [ 65.928180][ T5040] ------------[ cut here ]------------ [ 65.933755][ T5040] WARNING: CPU: 0 PID: 5040 at net/ipv6/ip6_fib.c:1516 fib6_add+0x3b86/0x4700 [ 65.942654][ T5040] Modules linked in: [ 65.946549][ T5040] CPU: 0 PID: 5040 Comm: syz-executor361 Not tainted 6.5.0-next-20230905-syzkaller #0 [ 65.956141][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 65.966212][ T5040] RIP: 0010:fib6_add+0x3b86/0x4700 [ 65.971369][ T5040] Code: 00 00 4d 8b b6 d8 0b 00 00 e9 e5 f6 ff ff e8 51 46 8d f8 be 01 00 00 00 4c 89 ef e8 84 b5 2a fb e9 fb f7 ff ff e8 3a 46 8d f8 <0f> 0b 48 8b 95 f8 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea [ 65.991083][ T5040] RSP: 0018:ffffc90003c6f860 EFLAGS: 00010293 [ 65.997196][ T5040] RAX: 0000000000000000 RBX: ffff888021fca0a0 RCX: 0000000000000000 [ 66.005193][ T5040] RDX: ffff8880252a5940 RSI: ffffffff88fa9a56 RDI: ffff888021fca220 [ 66.013178][ T5040] RBP: ffffc90003c6f9c0 R08: 0000000000000005 R09: 0000000000000000 [ 66.021164][ T5040] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 66.029137][ T5040] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888021d78800 [ 66.037131][ T5040] FS: 00005555571fe480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 66.046090][ T5040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.052692][ T5040] CR2: 0000000020000340 CR3: 0000000073517000 CR4: 00000000003506f0 [ 66.060796][ T5040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.068783][ T5040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.076948][ T5040] Call Trace: [ 66.080353][ T5040] [ 66.083282][ T5040] ? show_regs+0x8f/0xa0 [ 66.087607][ T5040] ? __warn+0xe6/0x380 [ 66.091703][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.096220][ T5040] ? report_bug+0x3bc/0x580 [ 66.100929][ T5040] ? handle_bug+0x3c/0x70 [ 66.105352][ T5040] ? exc_invalid_op+0x17/0x40 [ 66.110050][ T5040] ? asm_exc_invalid_op+0x1a/0x20 [ 66.115090][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.119619][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.124140][ T5040] ? fib6_update_sernum_stub+0x80/0x80 [ 66.129637][ T5040] ? spin_bug+0x1d0/0x1d0 [ 66.134040][ T5040] ? ip6_route_add+0x8d/0x150 [ 66.138705][ T5040] ip6_route_add+0x8d/0x150 [ 66.143234][ T5040] ipv6_route_ioctl+0x3ff/0x590 [ 66.148099][ T5040] ? rt6_purge_dflt_routers+0xe70/0xe70 [ 66.153753][ T5040] ? rcu_is_watching+0x12/0xb0 [ 66.158527][ T5040] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 66.164536][ T5040] inet6_ioctl+0x260/0x2a0 [ 66.168959][ T5040] ? inet6_release+0x70/0x70 [ 66.173574][ T5040] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 66.179616][ T5040] sock_do_ioctl+0x113/0x270 [ 66.184221][ T5040] ? get_user_ifreq+0x250/0x250 [ 66.189058][ T5040] ? do_vfs_ioctl+0x379/0x1920 [ 66.193838][ T5040] ? vfs_fileattr_set+0xbf0/0xbf0 [ 66.199091][ T5040] sock_ioctl+0x229/0x6b0 [ 66.203461][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 66.208073][ T5040] ? bpf_lsm_file_ioctl+0x9/0x10 [ 66.213036][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 66.217615][ T5040] __x64_sys_ioctl+0x18f/0x210 [ 66.222397][ T5040] do_syscall_64+0x38/0xb0 [ 66.226818][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.232732][ T5040] RIP: 0033:0x7f8707756359 [ 66.237148][ T5040] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 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 [ 66.256871][ T5040] RSP: 002b:00007ffefb5abdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 66.265399][ T5040] RAX: ffffffffffffffda RBX: 00007ffefb5abe00 RCX: 00007f8707756359 [ 66.273398][ T5040] RDX: 0000000020000000 RSI: 000000000000890b RDI: 0000000000000005 [ 66.281387][ T5040] RBP: 0000000000000001 R08: 00007ffefb5abb97 R09: 0000000000000036 [ 66.289363][ T5040] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffefb5abe70 [ 66.297359][ T5040] R13: 00007ffefb5abe40 R14: 0000000000000001 R15: 00007ffefb5abe70 [ 66.305356][ T5040] [ 66.308381][ T5040] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 66.315638][ T5040] CPU: 0 PID: 5040 Comm: syz-executor361 Not tainted 6.5.0-next-20230905-syzkaller #0 [ 66.325161][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 66.335194][ T5040] Call Trace: [ 66.338455][ T5040] [ 66.341376][ T5040] dump_stack_lvl+0xd9/0x1b0 [ 66.345953][ T5040] panic+0x6a6/0x750 [ 66.349837][ T5040] ? panic_smp_self_stop+0xa0/0xa0 [ 66.354935][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.359437][ T5040] check_panic_on_warn+0xab/0xb0 [ 66.364378][ T5040] __warn+0xf2/0x380 [ 66.368364][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.372879][ T5040] report_bug+0x3bc/0x580 [ 66.377243][ T5040] handle_bug+0x3c/0x70 [ 66.381412][ T5040] exc_invalid_op+0x17/0x40 [ 66.385925][ T5040] asm_exc_invalid_op+0x1a/0x20 [ 66.390778][ T5040] RIP: 0010:fib6_add+0x3b86/0x4700 [ 66.395900][ T5040] Code: 00 00 4d 8b b6 d8 0b 00 00 e9 e5 f6 ff ff e8 51 46 8d f8 be 01 00 00 00 4c 89 ef e8 84 b5 2a fb e9 fb f7 ff ff e8 3a 46 8d f8 <0f> 0b 48 8b 95 f8 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea [ 66.415588][ T5040] RSP: 0018:ffffc90003c6f860 EFLAGS: 00010293 [ 66.421652][ T5040] RAX: 0000000000000000 RBX: ffff888021fca0a0 RCX: 0000000000000000 [ 66.429635][ T5040] RDX: ffff8880252a5940 RSI: ffffffff88fa9a56 RDI: ffff888021fca220 [ 66.437613][ T5040] RBP: ffffc90003c6f9c0 R08: 0000000000000005 R09: 0000000000000000 [ 66.445793][ T5040] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff [ 66.453758][ T5040] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888021d78800 [ 66.461751][ T5040] ? fib6_add+0x3b86/0x4700 [ 66.466277][ T5040] ? fib6_update_sernum_stub+0x80/0x80 [ 66.471745][ T5040] ? spin_bug+0x1d0/0x1d0 [ 66.476183][ T5040] ? ip6_route_add+0x8d/0x150 [ 66.480863][ T5040] ip6_route_add+0x8d/0x150 [ 66.485457][ T5040] ipv6_route_ioctl+0x3ff/0x590 [ 66.490338][ T5040] ? rt6_purge_dflt_routers+0xe70/0xe70 [ 66.496151][ T5040] ? rcu_is_watching+0x12/0xb0 [ 66.500920][ T5040] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 66.506904][ T5040] inet6_ioctl+0x260/0x2a0 [ 66.511412][ T5040] ? inet6_release+0x70/0x70 [ 66.516007][ T5040] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 66.521841][ T5040] sock_do_ioctl+0x113/0x270 [ 66.526436][ T5040] ? get_user_ifreq+0x250/0x250 [ 66.531289][ T5040] ? do_vfs_ioctl+0x379/0x1920 [ 66.536048][ T5040] ? vfs_fileattr_set+0xbf0/0xbf0 [ 66.541079][ T5040] sock_ioctl+0x229/0x6b0 [ 66.545414][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 66.550099][ T5040] ? bpf_lsm_file_ioctl+0x9/0x10 [ 66.555035][ T5040] ? br_ioctl_call+0xb0/0xb0 [ 66.559630][ T5040] __x64_sys_ioctl+0x18f/0x210 [ 66.564391][ T5040] do_syscall_64+0x38/0xb0 [ 66.568823][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.574725][ T5040] RIP: 0033:0x7f8707756359 [ 66.579142][ T5040] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 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 [ 66.598750][ T5040] RSP: 002b:00007ffefb5abdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 66.607250][ T5040] RAX: ffffffffffffffda RBX: 00007ffefb5abe00 RCX: 00007f8707756359 [ 66.615304][ T5040] RDX: 0000000020000000 RSI: 000000000000890b RDI: 0000000000000005 [ 66.623266][ T5040] RBP: 0000000000000001 R08: 00007ffefb5abb97 R09: 0000000000000036 [ 66.631665][ T5040] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffefb5abe70 [ 66.639716][ T5040] R13: 00007ffefb5abe40 R14: 0000000000000001 R15: 00007ffefb5abe70 [ 66.647690][ T5040] [ 66.651029][ T5040] Kernel Offset: disabled [ 66.655427][ T5040] Rebooting in 86400 seconds..