./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2838102532 <...> Warning: Permanently added '10.128.0.251' (ED25519) to the list of known hosts. execve("./syz-executor2838102532", ["./syz-executor2838102532"], 0x7ffced0954f0 /* 10 vars */) = 0 brk(NULL) = 0x55556ee27000 brk(0x55556ee27e00) = 0x55556ee27e00 arch_prctl(ARCH_SET_FS, 0x55556ee27480) = 0 set_tid_address(0x55556ee27750) = 357 set_robust_list(0x55556ee27760, 24) = 0 rseq(0x55556ee27da0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2838102532", 4096) = 28 getrandom("\xf4\x36\x87\x5d\x98\xac\x38\x91", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ee27e00 brk(0x55556ee48e00) = 0x55556ee48e00 brk(0x55556ee49000) = 0x55556ee49000 mprotect(0x7f1b602c1000, 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, "/proc/self/make-it-fail", O_WRONLY) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3 close(3) = 0 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}, executing program NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f1b6021e4a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1b60225680}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f1b6021e4a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f1b60225680}, NULL, 8) = 0 write(1, "executing program\n", 18) = 18 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x1c\x00\x00\x00\x68\x00\xe9\x78\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x04\x00\x04\x00", iov_len=28}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 28 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 5 write(5, "5", 1) = 1 [ 25.859683][ T23] audit: type=1400 audit(1738322487.810:66): avc: denied { execmem } for pid=357 comm="syz-executor283" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.877468][ T357] FAULT_INJECTION: forcing a failure. [ 25.877468][ T357] name failslab, interval 1, probability 0, space 0, times 1 [ 25.891540][ T357] CPU: 0 PID: 357 Comm: syz-executor283 Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0 [ 25.901422][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 25.911314][ T357] Call Trace: [ 25.914461][ T357] dump_stack+0x1d8/0x241 [ 25.918609][ T357] ? panic+0x89d/0x89d [ 25.922515][ T357] ? nf_ct_l4proto_log_invalid+0x258/0x258 [ 25.928159][ T357] should_fail+0x71f/0x880 [ 25.932412][ T357] ? setup_fault_attr+0x3d0/0x3d0 [ 25.937270][ T357] ? rtm_new_nexthop+0x1f15/0x6ae0 [ 25.942216][ T357] should_failslab+0x5/0x20 [ 25.946556][ T357] __kmalloc+0x51/0x2e0 [ 25.950549][ T357] ? rtm_new_nexthop+0x1ebe/0x6ae0 [ 25.955495][ T357] ? rtm_new_nexthop+0x1d47/0x6ae0 [ 25.960445][ T357] rtm_new_nexthop+0x1f15/0x6ae0 [ 25.965222][ T357] ? local_bh_enable+0x20/0x20 [ 25.969824][ T357] ? unwind_next_frame+0x176a/0x1ea0 [ 25.974944][ T357] ? avc_has_perm_noaudit+0x2f1/0x3d0 [ 25.980149][ T357] ? avc_denied+0x1d0/0x1d0 [ 25.984492][ T357] ? selinux_capable+0x1d9/0x430 [ 25.989261][ T357] ? selinux_capable+0x2f1/0x430 [ 25.994037][ T357] ? is_bpf_text_address+0x24c/0x260 [ 25.999163][ T357] ? mutex_trylock+0xa0/0xa0 [ 26.003604][ T357] ? security_capable+0x86/0xb0 [ 26.008266][ T357] ? local_bh_enable+0x20/0x20 [ 26.012871][ T357] rtnetlink_rcv_msg+0x983/0xc70 [ 26.017645][ T357] ? rtnetlink_bind+0x80/0x80 [ 26.022153][ T357] ? __kernel_text_address+0x94/0x100 [ 26.027364][ T357] ? unwind_get_return_address+0x49/0x80 [ 26.032831][ T357] ? arch_stack_walk+0xf5/0x140 [ 26.037517][ T357] ? avc_has_perm_noaudit+0x2f1/0x3d0 [ 26.042723][ T357] ? avc_denied+0x1d0/0x1d0 [ 26.047181][ T357] ? update_load_avg+0x40f/0x1210 [ 26.052041][ T357] ? avc_has_perm+0xd2/0x260 [ 26.056464][ T357] ? avc_has_perm+0x16f/0x260 [ 26.060980][ T357] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 26.066188][ T357] ? iov_iter_advance+0x258/0xb20 [ 26.071049][ T357] netlink_rcv_skb+0x1d5/0x420 [ 26.075650][ T357] ? rtnetlink_bind+0x80/0x80 [ 26.080159][ T357] ? nla_put_string+0x30/0x30 [ 26.084677][ T357] ? __netlink_lookup+0x369/0x390 [ 26.089537][ T357] netlink_unicast+0x936/0xb20 [ 26.094135][ T357] ? netlink_detachskb+0x90/0x90 [ 26.098908][ T357] ? __virt_addr_valid+0x20e/0x2a0 [ 26.103855][ T357] netlink_sendmsg+0xa18/0xcf0 [ 26.108456][ T357] ? netlink_getsockopt+0x550/0x550 [ 26.113485][ T357] ? import_iovec+0x1bb/0x380 [ 26.118002][ T357] ? security_socket_sendmsg+0x7d/0xa0 [ 26.123294][ T357] ? netlink_getsockopt+0x550/0x550 [ 26.128332][ T357] ____sys_sendmsg+0x5ac/0x8f0 [ 26.132935][ T357] ? __sys_sendmsg_sock+0x2b0/0x2b0 [ 26.137968][ T357] __sys_sendmsg+0x28b/0x380 [ 26.142393][ T357] ? ____sys_sendmsg+0x8f0/0x8f0 [ 26.147263][ T357] ? ptrace_notify+0x24c/0x350 [ 26.151877][ T357] do_syscall_64+0xca/0x1c0 [ 26.156194][ T357] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 26.161938][ T357] RIP: 0033:0x7f1b602562e9 [ 26.166174][ T357] Code: 48 83 c4 28 c3 e8 17 1a 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 [ 26.185610][ T357] RSP: 002b:00007ffe0ad1a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.193854][ T357] RAX: ffffffffffffffda RBX: 00007ffe0ad1a170 RCX: 00007f1b602562e9 [ 26.201666][ T357] RDX: 0000000000004000 RSI: 0000000020000000 RDI: 0000000000000004 [ 26.209476][ T357] RBP: 0000000000000001 R08: 00007ffe0ad19f07 R09: 00007f1b60210035 [ 26.217299][ T357] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 26.225096][ T357] R13: 00007ffe0ad1a3d8 R14: 0000000000000001 R15: 0000000000000001 [ 26.233239][ T357] kasan: CONFIG_KASAN_INLINE enabled [ 26.238328][ T357] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.246329][ T357] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 26.253003][ T357] CPU: 0 PID: 357 Comm: syz-executor283 Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0 [ 26.262970][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 26.272871][ T357] RIP: 0010:rtm_new_nexthop+0x24d4/0x6ae0 [ 26.278422][ T357] Code: 00 80 3c 01 00 74 0a 48 8b 7c 24 20 e8 85 72 d1 fd 48 8b 44 24 20 4c 89 30 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 5e 72 d1 fd 48 8b 44 24 20 49 89 06 [ 26.297864][ T357] RSP: 0018:ffff8881ee63f0a0 EFLAGS: 00010246 [ 26.303796][ T357] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 [ 26.311574][ T357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881f5c02a00 [ 26.319389][ T357] RBP: ffff8881ee63f4b0 R08: ffffffff824713f8 R09: 0000000000000003 [ 26.327199][ T357] R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff1103dcc7e2c [ 26.335098][ T357] R13: 0000000000010001 R14: 0000000000000000 R15: 1ffffffff0c7333c [ 26.342906][ T357] FS: 000055556ee27480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.351671][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.358093][ T357] CR2: 000000000045b630 CR3: 00000001d9480000 CR4: 00000000003406b0 [ 26.365908][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.373720][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.381526][ T357] Call Trace: [ 26.384663][ T357] ? __die+0xb4/0x100 [ 26.388473][ T357] ? die+0x26/0x50 [ 26.392033][ T357] ? do_general_protection+0x266/0x3c0 [ 26.397326][ T357] ? should_fail+0x56c/0x880 [ 26.401755][ T357] ? do_trap+0x340/0x340 [ 26.405833][ T357] ? setup_fault_attr+0x3d0/0x3d0 [ 26.410693][ T357] ? general_protection+0x28/0x30 [ 26.415571][ T357] ? should_fail+0x4f8/0x880 [ 26.419982][ T357] ? rtm_new_nexthop+0x24d4/0x6ae0 [ 26.424936][ T357] ? local_bh_enable+0x20/0x20 [ 26.429531][ T357] ? unwind_next_frame+0x176a/0x1ea0 [ 26.434660][ T357] ? avc_has_perm_noaudit+0x2f1/0x3d0 [ 26.439857][ T357] ? avc_denied+0x1d0/0x1d0 [ 26.444198][ T357] ? selinux_capable+0x1d9/0x430 [ 26.448964][ T357] ? selinux_capable+0x2f1/0x430 [ 26.453749][ T357] ? is_bpf_text_address+0x24c/0x260 [ 26.458864][ T357] ? mutex_trylock+0xa0/0xa0 [ 26.463292][ T357] ? security_capable+0x86/0xb0 [ 26.468064][ T357] ? local_bh_enable+0x20/0x20 [ 26.472667][ T357] rtnetlink_rcv_msg+0x983/0xc70 [ 26.477439][ T357] ? rtnetlink_bind+0x80/0x80 [ 26.481951][ T357] ? __kernel_text_address+0x94/0x100 [ 26.487159][ T357] ? unwind_get_return_address+0x49/0x80 [ 26.492625][ T357] ? arch_stack_walk+0xf5/0x140 [ 26.497314][ T357] ? avc_has_perm_noaudit+0x2f1/0x3d0 [ 26.502523][ T357] ? avc_denied+0x1d0/0x1d0 [ 26.506861][ T357] ? update_load_avg+0x40f/0x1210 [ 26.511721][ T357] ? avc_has_perm+0xd2/0x260 [ 26.516147][ T357] ? avc_has_perm+0x16f/0x260 [ 26.520663][ T357] ? avc_has_perm_noaudit+0x3d0/0x3d0 [ 26.525866][ T357] ? iov_iter_advance+0x258/0xb20 [ 26.530750][ T357] netlink_rcv_skb+0x1d5/0x420 [ 26.535328][ T357] ? rtnetlink_bind+0x80/0x80 [ 26.539935][ T357] ? nla_put_string+0x30/0x30 [ 26.544467][ T357] ? __netlink_lookup+0x369/0x390 [ 26.549314][ T357] netlink_unicast+0x936/0xb20 [ 26.553920][ T357] ? netlink_detachskb+0x90/0x90 [ 26.558687][ T357] ? __virt_addr_valid+0x20e/0x2a0 [ 26.563634][ T357] netlink_sendmsg+0xa18/0xcf0 [ 26.568233][ T357] ? netlink_getsockopt+0x550/0x550 [ 26.573263][ T357] ? import_iovec+0x1bb/0x380 [ 26.577781][ T357] ? security_socket_sendmsg+0x7d/0xa0 [ 26.583071][ T357] ? netlink_getsockopt+0x550/0x550 [ 26.588105][ T357] ____sys_sendmsg+0x5ac/0x8f0 [ 26.592711][ T357] ? __sys_sendmsg_sock+0x2b0/0x2b0 [ 26.597747][ T357] __sys_sendmsg+0x28b/0x380 [ 26.602166][ T357] ? ____sys_sendmsg+0x8f0/0x8f0 [ 26.606939][ T357] ? ptrace_notify+0x24c/0x350 [ 26.611552][ T357] do_syscall_64+0xca/0x1c0 [ 26.615881][ T357] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 26.621608][ T357] RIP: 0033:0x7f1b602562e9 [ 26.625862][ T357] Code: 48 83 c4 28 c3 e8 17 1a 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 [ 26.645302][ T357] RSP: 002b:00007ffe0ad1a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.653546][ T357] RAX: ffffffffffffffda RBX: 00007ffe0ad1a170 RCX: 00007f1b602562e9 [ 26.661355][ T357] RDX: 0000000000004000 RSI: 0000000020000000 RDI: 0000000000000004 [ 26.669172][ T357] RBP: 0000000000000001 R08: 00007ffe0ad19f07 R09: 00007f1b60210035 [ 26.676980][ T357] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 26.684792][ T357] R13: 00007ffe0ad1a3d8 R14: 0000000000000001 R15: 0000000000000001 [ 26.692600][ T357] Modules linked in: [ 26.696508][ T357] ---[ end trace d208ca9dbd36a09c ]--- [ 26.701858][ T357] RIP: 0010:rtm_new_nexthop+0x24d4/0x6ae0 [ 26.707368][ T357] Code: 00 80 3c 01 00 74 0a 48 8b 7c 24 20 e8 85 72 d1 fd 48 8b 44 24 20 4c 89 30 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 5e 72 d1 fd 48 8b 44 24 20 49 89 06 [ 26.726849][ T357] RSP: 0018:ffff8881ee63f0a0 EFLAGS: 00010246 [ 26.732732][ T357] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 [ 26.740635][ T357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881f5c02a00 [ 26.748517][ T357] RBP: ffff8881ee63f4b0 R08: ffffffff824713f8 R09: 0000000000000003 [ 26.756378][ T357] R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff1103dcc7e2c [ 26.764170][ T357] R13: 0000000000010001 R14: 0000000000000000 R15: 1ffffffff0c7333c [ 26.771976][ T357] FS: 000055556ee27480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.780729][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.787129][ T357] CR2: 000000000045b630 CR3: 00000001d9480000 CR4: 00000000003406b0 [ 26.795441][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.803215][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.811042][ T357] Kernel panic - not syncing: Fatal exception [ 26.817229][ T357] Kernel Offset: disabled [ 26.821354][ T357] Rebooting in 86400 seconds..