./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3759123122 <...> Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. execve("./syz-executor3759123122", ["./syz-executor3759123122"], 0x7ffe1c823210 /* 10 vars */) = 0 brk(NULL) = 0x555555d37000 brk(0x555555d37d00) = 0x555555d37d00 arch_prctl(ARCH_SET_FS, 0x555555d37380) = 0 set_tid_address(0x555555d37650) = 5029 set_robust_list(0x555555d37660, 24) = 0 rseq(0x555555d37ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3759123122", 4096) = 28 getrandom("\x4a\x3a\xc1\x3b\x59\x3e\xfc\x39", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555d37d00 brk(0x555555d58d00) = 0x555555d58d00 brk(0x555555d59000) = 0x555555d59000 mprotect(0x7f7ee527c000, 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 io_uring_setup(5522, {flags=IORING_SETUP_COOP_TASKRUN|0x10000, sq_thread_cpu=0, sq_thread_idle=795, sq_entries=8192, cq_entries=16384, 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|0x2000, 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 mmap(NULL, 262208, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0) = 0x7f7ee518f000 mmap(NULL, 524288, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 3, 0x10000000) = 0x7f7ee510f000 socket(AF_ALG, SOCK_SEQPACKET, 0) = 4 [ 51.275908][ T5029] ================================================================================ [ 51.285432][ T5029] UBSAN: array-index-out-of-bounds in io_uring/net.c:189:36 [ 51.292845][ T5029] index 3779566923881 is out of range for type 'struct iovec[8]' [ 51.300920][ T5029] CPU: 0 PID: 5029 Comm: syz-executor375 Not tainted 6.6.0-rc1-syzkaller #0 [ 51.309652][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 51.319705][ T5029] Call Trace: [ 51.322968][ T5029] [ 51.325883][ T5029] dump_stack_lvl+0x1e7/0x2d0 [ 51.330571][ T5029] ? nf_tcp_handle_invalid+0x650/0x650 [ 51.336019][ T5029] ? panic+0x770/0x770 [ 51.340075][ T5029] ? io_alloc_async_data+0xb4/0x1b0 [ 51.345256][ T5029] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 51.351134][ T5029] io_setup_async_msg+0x49b/0x4a0 [ 51.356150][ T5029] io_recvmsg+0x19af/0x24f0 [ 51.360650][ T5029] ? __stack_depot_save+0x20/0x650 [ 51.365751][ T5029] ? kasan_set_track+0x61/0x70 [ 51.370503][ T5029] ? kasan_set_track+0x4f/0x70 [ 51.375252][ T5029] ? slab_post_alloc_hook+0x6c/0x3b0 [ 51.380524][ T5029] ? kmem_cache_alloc_bulk+0x3d2/0x4b0 [ 51.385971][ T5029] ? __io_alloc_req_refill+0x26d/0x4b0 [ 51.391417][ T5029] ? io_submit_sqes+0xd2b/0x1e10 [ 51.396342][ T5029] ? __se_sys_io_uring_enter+0x2dd/0x1320 [ 51.402046][ T5029] ? do_syscall_64+0x41/0xc0 [ 51.406622][ T5029] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.412682][ T5029] ? io_recvmsg_prep+0x600/0x600 [ 51.417613][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.422374][ T5029] ? __fget_files+0x3cf/0x440 [ 51.427041][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.431790][ T5029] ? io_file_get_normal+0xec/0x320 [ 51.436889][ T5029] io_issue_sqe+0x33a/0xb10 [ 51.441380][ T5029] io_submit_sqes+0xaf0/0x1e10 [ 51.446568][ T5029] ? mutex_lock_io_nested+0x60/0x60 [ 51.451769][ T5029] __se_sys_io_uring_enter+0x2dd/0x1320 [ 51.457306][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 51.462489][ T5029] ? __x64_sys_io_uring_enter+0xf0/0xf0 [ 51.468028][ T5029] ? do_notify_parent+0xf50/0xf50 [ 51.473042][ T5029] ? print_irqtrace_events+0x220/0x220 [ 51.478491][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.483242][ T5029] ? __x64_sys_io_uring_enter+0x21/0xf0 [ 51.488775][ T5029] do_syscall_64+0x41/0xc0 [ 51.493182][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.499154][ T5029] RIP: 0033:0x7f7ee52094e9 [ 51.503555][ T5029] Code: 48 83 c4 28 c3 e8 37 17 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 [ 51.523150][ T5029] RSP: 002b:00007ffe2f77fb68 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 51.531555][ T5029] RAX: ffffffffffffffda RBX: 0000000000001592 RCX: 00007f7ee52094e9 [ 51.539522][ T5029] RDX: 0000000000000000 RSI: 0000000000007689 RDI: 0000000000000003 [ 51.547494][ T5029] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.555885][ T5029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 51.563841][ T5029] R13: 00007ffe2f77fd48 R14: 0000000000000001 R15: 0000000000000001 [ 51.571804][ T5029] [ 51.574933][ T5029] ================================================================================ [ 51.584330][ T5029] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 51.591525][ T5029] CPU: 0 PID: 5029 Comm: syz-executor375 Not tainted 6.6.0-rc1-syzkaller #0 [ 51.600180][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 51.610218][ T5029] Call Trace: [ 51.613479][ T5029] [ 51.616392][ T5029] dump_stack_lvl+0x1e7/0x2d0 [ 51.621058][ T5029] ? nf_tcp_handle_invalid+0x650/0x650 [ 51.626497][ T5029] ? panic+0x770/0x770 [ 51.630546][ T5029] ? vscnprintf+0x5d/0x80 [ 51.634853][ T5029] panic+0x30f/0x770 [ 51.638729][ T5029] ? check_panic_on_warn+0x21/0xa0 [ 51.643821][ T5029] ? __memcpy_flushcache+0x2b0/0x2b0 [ 51.649089][ T5029] ? dump_stack_lvl+0x253/0x2d0 [ 51.653921][ T5029] check_panic_on_warn+0x82/0xa0 [ 51.658838][ T5029] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 51.664722][ T5029] io_setup_async_msg+0x49b/0x4a0 [ 51.669732][ T5029] io_recvmsg+0x19af/0x24f0 [ 51.674220][ T5029] ? __stack_depot_save+0x20/0x650 [ 51.679335][ T5029] ? kasan_set_track+0x61/0x70 [ 51.684102][ T5029] ? kasan_set_track+0x4f/0x70 [ 51.688869][ T5029] ? slab_post_alloc_hook+0x6c/0x3b0 [ 51.694157][ T5029] ? kmem_cache_alloc_bulk+0x3d2/0x4b0 [ 51.699609][ T5029] ? __io_alloc_req_refill+0x26d/0x4b0 [ 51.705076][ T5029] ? io_submit_sqes+0xd2b/0x1e10 [ 51.710092][ T5029] ? __se_sys_io_uring_enter+0x2dd/0x1320 [ 51.715824][ T5029] ? do_syscall_64+0x41/0xc0 [ 51.720410][ T5029] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.726470][ T5029] ? io_recvmsg_prep+0x600/0x600 [ 51.731407][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.736172][ T5029] ? __fget_files+0x3cf/0x440 [ 51.740844][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.745596][ T5029] ? io_file_get_normal+0xec/0x320 [ 51.750718][ T5029] io_issue_sqe+0x33a/0xb10 [ 51.755242][ T5029] io_submit_sqes+0xaf0/0x1e10 [ 51.760017][ T5029] ? mutex_lock_io_nested+0x60/0x60 [ 51.765222][ T5029] __se_sys_io_uring_enter+0x2dd/0x1320 [ 51.770770][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 51.775982][ T5029] ? __x64_sys_io_uring_enter+0xf0/0xf0 [ 51.781516][ T5029] ? do_notify_parent+0xf50/0xf50 [ 51.786531][ T5029] ? print_irqtrace_events+0x220/0x220 [ 51.792000][ T5029] ? rcu_is_watching+0x15/0xb0 [ 51.796754][ T5029] ? __x64_sys_io_uring_enter+0x21/0xf0 [ 51.802289][ T5029] do_syscall_64+0x41/0xc0 [ 51.806699][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.812589][ T5029] RIP: 0033:0x7f7ee52094e9 [ 51.817014][ T5029] Code: 48 83 c4 28 c3 e8 37 17 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 [ 51.836606][ T5029] RSP: 002b:00007ffe2f77fb68 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 51.845014][ T5029] RAX: ffffffffffffffda RBX: 0000000000001592 RCX: 00007f7ee52094e9 [ 51.852976][ T5029] RDX: 0000000000000000 RSI: 0000000000007689 RDI: 0000000000000003 [ 51.860934][ T5029] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.868890][ T5029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 51.876845][ T5029] R13: 00007ffe2f77fd48 R14: 0000000000000001 R15: 0000000000000001 [ 51.884808][ T5029] [ 51.888020][ T5029] Kernel Offset: disabled [ 51.892349][ T5029] Rebooting in 86400 seconds..