./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2690560973 <...> [ 92.022072][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. execve("./syz-executor2690560973", ["./syz-executor2690560973"], 0x7ffe1cd53750 /* 10 vars */) = 0 brk(NULL) = 0x55555defa000 brk(0x55555defad00) = 0x55555defad00 arch_prctl(ARCH_SET_FS, 0x55555defa380) = 0 set_tid_address(0x55555defa650) = 5844 set_robust_list(0x55555defa660, 24) = 0 rseq(0x55555defaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2690560973", 4096) = 28 getrandom("\x2d\x30\xc6\x36\x0d\xb3\x8f\x80", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555defad00 brk(0x55555df1bd00) = 0x55555df1bd00 brk(0x55555df1c000) = 0x55555df1c000 mprotect(0x7f2213d17000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555defa650) = 5845 ./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x55555defa660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] getppid() = 0 [pid 5845] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5845] unshare(CLONE_NEWNS) = 0 [pid 5845] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5845] unshare(CLONE_NEWIPC) = 0 [pid 5845] unshare(CLONE_NEWCGROUP) = 0 [pid 5845] unshare(CLONE_NEWUTS) = 0 [pid 5845] unshare(CLONE_SYSVSEM) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "16777216", 8) = 8 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "536870912", 9) = 9 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1024", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "8192", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1024", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1024", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5845] close(3) = 0 [pid 5845] getpid() = 1 [pid 5845] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 108.200920][ T5845] dump_stack_lvl+0x189/0x250 [ 108.200941][ T5845] ? __virt_addr_valid+0x1c8/0x5c0 [ 108.200962][ T5845] ? rcu_is_watching+0x15/0xb0 [ 108.200975][ T5845] ? __kasan_check_byte+0x12/0x40 [ 108.200993][ T5845] ? __pfx_dump_stack_lvl+0x10/0x10 [ 108.201009][ T5845] ? rcu_is_watching+0x15/0xb0 [ 108.201022][ T5845] ? lock_release+0x4b/0x3e0 [ 108.201047][ T5845] ? __virt_addr_valid+0x1c8/0x5c0 [ 108.201064][ T5845] ? __virt_addr_valid+0x4a5/0x5c0 [ 108.201082][ T5845] print_report+0xd2/0x2b0 [ 108.201102][ T5845] ? pause_parse_request+0x40/0x160 [ 108.201118][ T5845] kasan_report+0x118/0x150 [ 108.201134][ T5845] ? pause_parse_request+0x40/0x160 [ 108.201152][ T5845] ? __pfx_pause_parse_request+0x10/0x10 [ 108.201167][ T5845] pause_parse_request+0x40/0x160 [ 108.201184][ T5845] ? __pfx_pause_parse_request+0x10/0x10 [ 108.201199][ T5845] ethnl_default_set_doit+0x2be/0xa40 [ 108.201219][ T5845] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 108.201245][ T5845] genl_family_rcv_msg_doit+0x212/0x300 [ 108.201270][ T5845] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 108.201298][ T5845] ? bpf_lsm_capable+0x9/0x20 [ 108.201312][ T5845] ? security_capable+0x7e/0x2e0 [ 108.201332][ T5845] genl_rcv_msg+0x60e/0x790 [ 108.201355][ T5845] ? __pfx_genl_rcv_msg+0x10/0x10 [ 108.201376][ T5845] ? ref_tracker_free+0x63a/0x7d0 [ 108.201391][ T5845] ? __pfx_ethnl_default_set_doit+0x10/0x10 [ 108.201411][ T5845] ? __pfx_ref_tracker_free+0x10/0x10 [ 108.201430][ T5845] netlink_rcv_skb+0x205/0x470 [ 108.201447][ T5845] ? __pfx_genl_rcv_msg+0x10/0x10 [ 108.201471][ T5845] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 108.201494][ T5845] ? down_read+0x1ad/0x2e0 [ 108.201517][ T5845] genl_rcv+0x28/0x40 [ 108.201537][ T5845] netlink_unicast+0x758/0x8d0 [ 108.201556][ T5845] netlink_sendmsg+0x805/0xb30 [ 108.201577][ T5845] ? __pfx_netlink_sendmsg+0x10/0x10 [ 108.201596][ T5845] ? aa_sock_msg_perm+0xf1/0x1d0 [ 108.201614][ T5845] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 108.201634][ T5845] ? __pfx_netlink_sendmsg+0x10/0x10 [ 108.201652][ T5845] __sock_sendmsg+0x219/0x270 [ 108.201668][ T5845] ____sys_sendmsg+0x505/0x830 [ 108.201691][ T5845] ? __pfx_____sys_sendmsg+0x10/0x10 [ 108.201715][ T5845] ? import_iovec+0x74/0xa0 [ 108.201730][ T5845] ___sys_sendmsg+0x21f/0x2a0 [ 108.201756][ T5845] ? __pfx____sys_sendmsg+0x10/0x10 [ 108.201779][ T5845] ? do_raw_spin_lock+0x121/0x290 [ 108.201814][ T5845] __x64_sys_sendmsg+0x19b/0x260 [ 108.201840][ T5845] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.201855][ T5845] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 108.201880][ T5845] ? rcu_is_watching+0x15/0xb0 [ 108.201898][ T5845] do_syscall_64+0xfa/0x3b0 [ 108.201916][ T5845] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.201931][ T5845] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.201946][ T5845] ? clear_bhb_loop+0x60/0xb0 [ 108.201962][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.201977][ T5845] RIP: 0033:0x7f2213c9e9d9 [ 108.201995][ T5845] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 [ 108.202008][ T5845] RSP: 002b:00007ffc6743cb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.202024][ T5845] RAX: ffffffffffffffda RBX: 00007f2213cec4ad RCX: 00007f2213c9e9d9 [ 108.202036][ T5845] RDX: 0000000000000040 RSI: 0000200000000000 RDI: 0000000000000003 [ 108.202048][ T5845] RBP: 00007f2213cec47d R08: 0000000000000000 R09: 0000555500000000 [ 108.202059][ T5845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2213cec3e5 [ 108.202068][ T5845] R13: 0000000000000001 R14: 00007ffc6743cbb0 R15: 0000000000000003 [ 108.202084][ T5845] [ 108.202089][ T5845] [ 108.580716][ T5845] Allocated by task 5845: [ 108.585041][ T5845] kasan_save_track+0x3e/0x80 [ 108.589732][ T5845] __kasan_kmalloc+0x93/0xb0 [ 108.594329][ T5845] __kmalloc_noprof+0x27a/0x4f0 [ 108.599176][ T5845] genl_family_rcv_msg_attrs_parse+0xa3/0x2a0 [ 108.605247][ T5845] genl_family_rcv_msg_doit+0xb8/0x300 [ 108.610706][ T5845] genl_rcv_msg+0x60e/0x790 [ 108.615222][ T5845] netlink_rcv_skb+0x205/0x470 [ 108.620014][ T5845] genl_rcv+0x28/0x40 [ 108.624027][ T5845] netlink_unicast+0x758/0x8d0 [ 108.628882][ T5845] netlink_sendmsg+0x805/0xb30 [ 108.633642][ T5845] __sock_sendmsg+0x219/0x270 [ 108.638331][ T5845] ____sys_sendmsg+0x505/0x830 [ 108.643106][ T5845] ___sys_sendmsg+0x21f/0x2a0 [ 108.647802][ T5845] __x64_sys_sendmsg+0x19b/0x260 [ 108.652739][ T5845] do_syscall_64+0xfa/0x3b0 [ 108.657248][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.663135][ T5845] [ 108.665454][ T5845] The buggy address belongs to the object at ffff8880315d6b00 [ 108.665454][ T5845] which belongs to the cache kmalloc-64 of size 64 [ 108.679332][ T5845] The buggy address is located 8 bytes to the right of [ 108.679332][ T5845] allocated 40-byte region [ffff8880315d6b00, ffff8880315d6b28) [ 108.693823][ T5845] [ 108.696159][ T5845] The buggy address belongs to the physical page: [ 108.702568][ T5845] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x315d6 [ 108.711329][ T5845] anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 108.718882][ T5845] page_type: f5(slab) [ 108.722857][ T5845] raw: 00fff00000000000 ffff88801a8418c0 ffffea0000c3c9c0 dead000000000005 [ 108.731439][ T5845] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 108.740040][ T5845] page dumped because: kasan: bad access detected [ 108.746537][ T5845] page_owner tracks the page as allocated [ 108.752245][ T5845] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1080, tgid 1080 (kworker/u8:5), ts 26702744157, free_ts 26691561411 [ 108.771522][ T5845] post_alloc_hook+0x240/0x2a0 [ 108.776290][ T5845] get_page_from_freelist+0x21e4/0x22c0 [ 108.781838][ T5845] __alloc_frozen_pages_noprof+0x181/0x370 [ 108.788078][ T5845] alloc_pages_mpol+0x232/0x4a0 [ 108.792928][ T5845] allocate_slab+0x8a/0x370 [ 108.797428][ T5845] ___slab_alloc+0xbeb/0x1410 [ 108.802101][ T5845] __kmalloc_noprof+0x305/0x4f0 [ 108.806945][ T5845] security_task_alloc+0x4d/0x360 [ 108.811967][ T5845] copy_process+0x1530/0x3c00 [ 108.816638][ T5845] kernel_clone+0x21e/0x870 [ 108.821138][ T5845] user_mode_thread+0xdd/0x140 [ 108.825905][ T5845] call_usermodehelper_exec_work+0x5c/0x230 [ 108.831803][ T5845] process_scheduled_works+0xade/0x17b0 [ 108.837365][ T5845] worker_thread+0x8a0/0xda0 [ 108.841946][ T5845] kthread+0x711/0x8a0 [ 108.846014][ T5845] ret_from_fork+0x3fc/0x770 [ 108.850610][ T5845] page last free pid 9 tgid 9 stack trace: [ 108.856405][ T5845] __free_frozen_pages+0xb80/0xd80 [ 108.861510][ T5845] vfree+0x25a/0x400 [ 108.865400][ T5845] delayed_vfree_work+0x55/0x80 [ 108.870253][ T5845] process_scheduled_works+0xade/0x17b0 [ 108.875824][ T5845] worker_thread+0x8a0/0xda0 [ 108.880412][ T5845] kthread+0x711/0x8a0 [ 108.884564][ T5845] ret_from_fork+0x3fc/0x770 [ 108.889157][ T5845] ret_from_fork_asm+0x1a/0x30 [ 108.893920][ T5845] [ 108.896246][ T5845] Memory state around the buggy address: [ 108.901952][ T5845] ffff8880315d6a00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 108.910180][ T5845] ffff8880315d6a80: 00 00 00 00 00 00 00 07 fc fc fc fc fc fc fc fc [ 108.918231][ T5845] >ffff8880315d6b00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 108.926299][ T5845] ^ [ 108.931930][ T5845] ffff8880315d6b80: 00 00 00 00 00 00 01 fc fc fc fc fc fc fc fc fc [ 108.939984][ T5845] ffff8880315d6c00: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc [ 108.948037][ T5845] ================================================================== [ 108.958460][ T5845] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 108.965693][ T5845] CPU: 0 UID: 0 PID: 5845 Comm: syz-executor269 Not tainted 6.16.0-rc3-next-20250626-syzkaller #0 PREEMPT(full) [ 108.977608][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 108.987678][ T5845] Call Trace: [ 108.990967][ T5845] [ 108.993895][ T5845] dump_stack_lvl+0x99/0x250 [ 108.998487][ T5845] ? __asan_memcpy+0x40/0x70 [ 109.003079][ T5845] ? __pfx_dump_stack_lvl+0x10/0x10 [ 109.008275][ T5845] ? __pfx__printk+0x10/0x10 [ 109.012869][ T5845] panic+0x2db/0x790 [ 109.016776][ T5845] ? __pfx_panic+0x10/0x10 [ 109.021188][ T5845] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 109.027091][ T5845] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 109.033504][ T5845] ? print_memory_metadata+0x314/0x400 [ 109.038981][ T5845] ? pause_parse_request+0x40/0x160 [ 109.044177][ T5845] check_panic_on_warn+0x89/0xb0 [ 109.049123][ T5845] ? pause_parse_request+0x40/0x160 [ 109.054414][ T5845] end_report+0x78/0x160 [ 109.058655][ T5845] kasan_report+0x129/0x150 [ 109.063235][ T5845] ? pause_parse_request+0x40/0x160 [ 109.068531][ T5845] ? __pfx_pause_parse_request+0x10/0x10 [ 109.074166][ T5845] pause_parse_request+0x40/0x160 [ 109.079199][ T5845] ? __pfx_pause_parse_request+0x10/0x10 [ 109.084831][ T5845] ethnl_default_set_doit+0x2be/0xa40 [ 109.090212][ T5845] ? genl_family_rcv_msg_attrs_parse+0x1c9/0x2a0 [ 109.096563][ T5845] genl_family_rcv_msg_doit+0x212/0x300 [ 109.102122][ T5845] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 109.108214][ T5845] ? bpf_lsm_capable+0x9/0x20 [ 109.112896][ T5845] ? security_capable+0x7e/0x2e0 [ 109.117844][ T5845] genl_rcv_msg+0x60e/0x790 [ 109.122403][ T5845] ? __pfx_genl_rcv_msg+0x10/0x10 [ 109.127445][ T5845] ? ref_tracker_free+0x63a/0x7d0 [ 109.132471][ T5845] ? __pfx_ethnl_default_set_doit+0x10/0x10 [ 109.138457][ T5845] ? __pfx_ref_tracker_free+0x10/0x10 [ 109.143836][ T5845] netlink_rcv_skb+0x205/0x470 [ 109.148614][ T5845] ? __pfx_genl_rcv_msg+0x10/0x10 [ 109.153653][ T5845] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 109.158948][ T5845] ? down_read+0x1ad/0x2e0 [ 109.163379][ T5845] genl_rcv+0x28/0x40 [ 109.167368][ T5845] netlink_unicast+0x758/0x8d0 [ 109.172138][ T5845] netlink_sendmsg+0x805/0xb30 [ 109.176909][ T5845] ? __pfx_netlink_sendmsg+0x10/0x10 [ 109.182198][ T5845] ? aa_sock_msg_perm+0xf1/0x1d0 [ 109.187140][ T5845] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 109.192434][ T5845] ? __pfx_netlink_sendmsg+0x10/0x10 [ 109.197737][ T5845] __sock_sendmsg+0x219/0x270 [ 109.202508][ T5845] ____sys_sendmsg+0x505/0x830 [ 109.207282][ T5845] ? __pfx_____sys_sendmsg+0x10/0x10 [ 109.212581][ T5845] ? import_iovec+0x74/0xa0 [ 109.217088][ T5845] ___sys_sendmsg+0x21f/0x2a0 [ 109.221774][ T5845] ? __pfx____sys_sendmsg+0x10/0x10 [ 109.227080][ T5845] ? do_raw_spin_lock+0x121/0x290 [ 109.232130][ T5845] __x64_sys_sendmsg+0x19b/0x260 [ 109.237078][ T5845] ? _raw_spin_unlock_irq+0x2e/0x50 [ 109.242275][ T5845] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 109.247775][ T5845] ? rcu_is_watching+0x15/0xb0 [ 109.252544][ T5845] do_syscall_64+0xfa/0x3b0 [ 109.257143][ T5845] ? lockdep_hardirqs_on+0x9c/0x150 [ 109.262340][ T5845] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.268423][ T5845] ? clear_bhb_loop+0x60/0xb0 [ 109.273130][ T5845] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.279114][ T5845] RIP: 0033:0x7f2213c9e9d9 [ 109.283549][ T5845] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 [ 109.303253][ T5845] RSP: 002b:00007ffc6743cb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.311675][ T5845] RAX: ffffffffffffffda RBX: 00007f2213cec4ad RCX: 00007f2213c9e9d9 [ 109.319660][ T5845] RDX: 0000000000000040 RSI: 0000200000000000 RDI: 0000000000000003 [ 109.327633][ T5845] RBP: 00007f2213cec47d R08: 0000000000000000 R09: 0000555500000000 [ 109.335609][ T5845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2213cec3e5 [ 109.343665][ T5845] R13: 0000000000000001 R14: 00007ffc6743cbb0 R15: 0000000000000003 [ 109.351649][ T5845] [ 109.354835][ T5845] Kernel Offset: disabled [ 109.359152][ T5845] Rebooting in 86400 seconds..