./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor321735680 <...> Warning: Permanently added '10.128.10.3' (ED25519) to the list of known hosts. execve("./syz-executor321735680", ["./syz-executor321735680"], 0x7fff6fac0d20 /* 10 vars */) = 0 brk(NULL) = 0x55558d6cc000 brk(0x55558d6cce00) = 0x55558d6cce00 arch_prctl(ARCH_SET_FS, 0x55558d6cc480) = 0 set_tid_address(0x55558d6cc750) = 5097 set_robust_list(0x55558d6cc760, 24) = 0 rseq(0x55558d6ccda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor321735680", 4096) = 27 getrandom("\xdb\x42\xcb\xd8\x8e\x94\x23\xe2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d6cce00 brk(0x55558d6ede00) = 0x55558d6ede00 brk(0x55558d6ee000) = 0x55558d6ee000 mprotect(0x7f744e54b000, 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 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=0x7f744e4a68e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f744e4ae690}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f744e4a68e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f744e4ae690}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x55558d6cc760, 24 [pid 5097] <... clone resumed>, child_tidptr=0x55558d6cc750) = 5098 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] write(1, "executing program\n", 18executing program ) = 18 [pid 5098] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EBADF (Bad file descriptor) [pid 5098] io_uring_setup(9466, {flags=IORING_SETUP_COOP_TASKRUN|0x10000, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=16384, cq_entries=32768, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|IORING_FEAT_LINKED_FILE|0x6000, sq_off={head=0, tail=4, ring_mask=16, ring_entries=24, flags=36, dropped=32, array=0}, cq_off={head=8, tail=12, ring_mask=20, ring_entries=28, overflow=44, cqes=64, flags=40}}) = 3 [pid 5098] mmap(NULL, 524352, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f744e415000 [pid 5098] mmap(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f744e315000 [pid 5098] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5098] write(4, "\x38\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 280) = 280 [pid 5098] mmap(0x20000000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, 4, 0) = 0x20000000 [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000000} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000001} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000002} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000004} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000008} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000010} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000018} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x2000001c} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000020} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x20000028} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x2000002a} --- [pid 5098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x2000002c} --- [ 71.619079][ T5098] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI [ 71.619109][ T5098] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 71.619138][ T5098] CPU: 0 UID: 0 PID: 5098 Comm: syz-executor321 Not tainted 6.10.0-rc7-next-20240712-syzkaller #0 [ 71.619164][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 71.619177][ T5098] RIP: 0010:tomoyo_socket_bind_permission+0xa5/0x340 [ 71.619229][ T5098] Code: f3 f3 66 43 c7 44 2e 0e f3 f3 e8 e6 e6 2b fd ba 30 00 00 00 48 89 df 31 f6 e8 e7 6f 93 fd 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fc 6c 93 fd 48 8b 03 48 89 44 24 [ 71.619247][ T5098] RSP: 0018:ffffc9000348f860 EFLAGS: 00010206 [ 71.619261][ T5098] RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000000000 [ 71.619271][ T5098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000348f8d0 [ 71.619280][ T5098] RBP: ffffc9000348f950 R08: ffffc9000348f8cf R09: 0000000000000000 [ 71.619291][ T5098] R10: ffffc9000348f8a0 R11: fffff52000691f1a R12: 0000000000000000 [ 71.619301][ T5098] R13: dffffc0000000000 R14: 1ffff92000691f10 R15: ffff88801e82bca0 [ 71.619312][ T5098] FS: 000055558d6cc480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 71.619325][ T5098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.619335][ T5098] CR2: 0000000020000000 CR3: 0000000078dee000 CR4: 00000000003506f0 [ 71.619348][ T5098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.619357][ T5098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.619366][ T5098] Call Trace: [ 71.619371][ T5098] [ 71.619378][ T5098] ? __die_body+0x88/0xe0 [ 71.619402][ T5098] ? die_addr+0x108/0x140 [ 71.619425][ T5098] ? exc_general_protection+0x3dd/0x5d0 [ 71.619451][ T5098] ? asm_exc_general_protection+0x26/0x30 [ 71.619472][ T5098] ? tomoyo_socket_bind_permission+0xa5/0x340 [ 71.619495][ T5098] ? __pfx_tomoyo_socket_bind_permission+0x10/0x10 [ 71.619516][ T5098] ? __pfx_current_check_access_socket+0x10/0x10 [ 71.619535][ T5098] ? __fget_files+0x29/0x470 [ 71.619551][ T5098] security_socket_bind+0x75/0xb0 [ 71.619574][ T5098] __sys_bind_socket+0x28/0xb0 [ 71.619598][ T5098] io_bind+0x8f/0x190 [ 71.619620][ T5098] io_issue_sqe+0x3cf/0x1570 [ 71.619636][ T5098] ? trace_kmalloc+0x1f/0xd0 [ 71.619658][ T5098] ? __pfx_io_issue_sqe+0x10/0x10 [ 71.619673][ T5098] ? io_msg_alloc_async+0x1cd/0x300 [ 71.619704][ T5098] io_submit_sqes+0xaff/0x1bf0 [ 71.619734][ T5098] __se_sys_io_uring_enter+0x2d4/0x2670 [ 71.619755][ T5098] ? _raw_spin_lock_irq+0xdf/0x120 [ 71.619770][ T5098] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 71.619788][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.619812][ T5098] ? __pfx___se_sys_io_uring_enter+0x10/0x10 [ 71.619837][ T5098] ? rcu_is_watching+0x15/0xb0 [ 71.619852][ T5098] ? _raw_spin_unlock_irq+0x2e/0x50 [ 71.619867][ T5098] ? ptrace_notify+0x279/0x380 [ 71.619886][ T5098] ? __pfx_ptrace_notify+0x10/0x10 [ 71.619902][ T5098] ? __up_read+0x2c2/0x6b0 [ 71.619918][ T5098] ? __pfx___up_read+0x10/0x10 [ 71.619933][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.619957][ T5098] ? rcu_is_watching+0x15/0xb0 [ 71.619972][ T5098] ? __x64_sys_io_uring_enter+0x21/0xf0 [ 71.619991][ T5098] do_syscall_64+0xf3/0x230 [ 71.620012][ T5098] ? clear_bhb_loop+0x35/0x90 [ 71.620029][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.620045][ T5098] RIP: 0033:0x7f744e4d88f9 [ 71.620058][ T5098] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 71.620069][ T5098] RSP: 002b:00007ffc942a3638 EFLAGS: 00000216 ORIG_RAX: 00000000000001aa [ 71.620084][ T5098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f744e4d88f9 [ 71.620094][ T5098] RDX: 0000000000000000 RSI: 0000000000002d3e RDI: 0000000000000003 [ 71.620103][ T5098] RBP: 00000000000024fa R08: 0000000000000000 R09: 0000000000000000 [ 71.620112][ T5098] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000001 [ 71.620120][ T5098] R13: 431bde82d7b634db R14: 00007ffc942a3690 R15: 0000000000000001 [ 71.620137][ T5098] [ 71.620142][ T5098] Modules linked in: [ 71.620152][ T5098] ---[ end trace 0000000000000000 ]--- [ 72.039845][ T5098] RIP: 0010:tomoyo_socket_bind_permission+0xa5/0x340 [ 72.046554][ T5098] Code: f3 f3 66 43 c7 44 2e 0e f3 f3 e8 e6 e6 2b fd ba 30 00 00 00 48 89 df 31 f6 e8 e7 6f 93 fd 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 fc 6c 93 fd 48 8b 03 48 89 44 24 [ 72.066261][ T5098] RSP: 0018:ffffc9000348f860 EFLAGS: 00010206 [ 72.072419][ T5098] RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000000000 [ 72.080489][ T5098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000348f8d0 [ 72.088509][ T5098] RBP: ffffc9000348f950 R08: ffffc9000348f8cf R09: 0000000000000000 [ 72.096508][ T5098] R10: ffffc9000348f8a0 R11: fffff52000691f1a R12: 0000000000000000 [ 72.104544][ T5098] R13: dffffc0000000000 R14: 1ffff92000691f10 R15: ffff88801e82bca0 [ 72.112582][ T5098] FS: 000055558d6cc480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 72.121587][ T5098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.128322][ T5098] CR2: 0000000020000000 CR3: 0000000078dee000 CR4: 00000000003506f0 [ 72.136357][ T5098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.144434][ T5098] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.152488][ T5098] Kernel panic - not syncing: Fatal exception [ 72.159061][ T5098] Kernel Offset: disabled [ 72.163461][ T5098] Rebooting in 86400 seconds..