./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1320933632 <...> Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. execve("./syz-executor1320933632", ["./syz-executor1320933632"], 0x7ffd2516d4c0 /* 10 vars */) = 0 brk(NULL) = 0x55557e8a2000 brk(0x55557e8a2d00) = 0x55557e8a2d00 arch_prctl(ARCH_SET_FS, 0x55557e8a2380) = 0 set_tid_address(0x55557e8a2650) = 289 set_robust_list(0x55557e8a2660, 24) = 0 rseq(0x55557e8a2ca0, 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-executor1320933632", 4096) = 28 getrandom("\xc3\xad\x11\xe2\x67\x62\xb5\xab", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557e8a2d00 brk(0x55557e8c3d00) = 0x55557e8c3d00 brk(0x55557e8c4000) = 0x55557e8c4000 mprotect(0x7fe8d33dd000, 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, 0executing program ) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 290 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 291 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 292 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 293 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55557e8a2660, 24) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 290 attached [pid 290] set_robust_list(0x55557e8a2660, 24 [pid 294] <... clone resumed>, child_tidptr=0x55557e8a2650) = 295 [pid 290] <... set_robust_list resumed>) = 0 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 296 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x55557e8a2660, 24) = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] write(1, "executing program\n", 18) = 18 [pid 295] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 295] ioctl(3, TIOCSETD, [15]) = 0 [pid 295] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 295] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 295] ioctl(4, HCISETAUTH./strace-static-x86_64: Process 291 attached [pid 291] set_robust_list(0x55557e8a2660, 24) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55557e8a2660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18executing program ) = 18 [pid 299] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 299] ioctl(3, TIOCSETD, [15]) = 0 [pid 299] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4)./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x55557e8a2660, 24) = 0 ./strace-static-x86_64: Process 296 attached ./strace-static-x86_64: Process 293 attached [pid 299] <... ioctl resumed>, 0) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 301 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x55557e8a2660, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] write(1, "executing program\n", 18executing program ) = 18 [pid 301] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 301] ioctl(3, TIOCSETD, [15]) = 0 [pid 301] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 301] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 301] ioctl(4, HCISETAUTH [pid 299] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 299] ioctl(4, HCISETAUTH [pid 296] set_robust_list(0x55557e8a2660, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] setpgid(0, 0) = 0 [pid 296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "1000", 4) = 4 [pid 296] close(3) = 0 executing program [pid 296] write(1, "executing program\n", 18) = 18 [pid 296] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 296] ioctl(3, TIOCSETD, [15]) = 0 [pid 296] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 296] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 296] ioctl(4, HCISETAUTH [pid 293] set_robust_list(0x55557e8a2660, 24) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 302 ./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x55557e8a2660, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18executing program ) = 18 [pid 302] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 302] ioctl(3, TIOCSETD, [15]) = 0 [pid 302] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 302] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [ 23.375479][ T28] audit: type=1400 audit(1755157262.804:64): avc: denied { execmem } for pid=289 comm="syz-executor132" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.396365][ T28] audit: type=1400 audit(1755157262.814:65): avc: denied { create } for pid=295 comm="syz-executor132" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 23.416785][ T28] audit: type=1400 audit(1755157262.814:66): avc: denied { ioctl } for pid=295 comm="syz-executor132" path="socket:[9838]" dev="sockfs" ino=9838 ioctlcmd=0x48de scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 23.422576][ T43] Bluetooth: hci1: Frame reassembly failed (-84) [ 23.442287][ T8] Bluetooth: hci2: Frame reassembly failed (-84) [ 23.449070][ T43] Bluetooth: hci3: Frame reassembly failed (-84) [ 23.454993][ T10] Bluetooth: hci4: Frame reassembly failed (-84) [pid 302] ioctl(4, HCISETAUTH [pid 295] <... ioctl resumed>, 0x200000000440) = -1 ETIMEDOUT (Connection timed out) [pid 295] exit_group(0) = ? [ 25.454913][ T307] Bluetooth: hci1: command 0x1003 tx timeout [ 25.454923][ T300] Bluetooth: hci2: Opcode 0x1003 failed: -110 [ 25.454968][ T300] Bluetooth: hci4: command 0x1003 tx timeout [ 25.461103][ T307] Bluetooth: hci3: command 0x1003 tx timeout [ 25.467170][ T305] Bluetooth: hci4: Opcode 0x1003 failed: -110 [ 25.473313][ T303] Bluetooth: hci3: Opcode 0x1003 failed: -110 [ 25.479237][ T298] Bluetooth: hci1: Opcode 0x1003 failed: -110 [ 25.485688][ T295] Bluetooth: hci0: Opcode 0x0c20 failed: -110 [ 25.504080][ T308] Bluetooth: hci0: Frame reassembly failed (-84) [pid 295] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557e8a2650) = 310 ./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x55557e8a2660, 24) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] write(1, "executing program\n", 18executing program ) = 18 [pid 310] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 310] ioctl(3, TIOCSETD, [15]) = 0 [pid 310] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 301] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 310] <... ioctl resumed>, 0) = 0 [pid 310] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 310] ioctl(4, HCISETAUTH, 0x200000000440) = -1 ENODEV (No such device) [pid 310] exit_group(0) = ? [pid 299] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 299] exit_group(0) = ? [pid 301] exit_group(0) = ? [pid 296] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 296] exit_group(0) = ? [pid 302] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 302] exit_group(0) = ? [pid 301] +++ exited with 0 +++ [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 292] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 312 attached , child_tidptr=0x55557e8a2650) = 312 [pid 312] set_robust_list(0x55557e8a2660, 24) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18executing program ) = 18 [pid 312] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 312] ioctl(3, TIOCSETD, [15]) = 0 [ 27.534887][ T305] Bluetooth: hci0: command 0x0c20 tx timeout [ 27.534887][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 27.547213][ T301] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 27.553358][ T299] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 27.559663][ T296] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 27.565878][ T302] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 27.610459][ T305] ================================================================== [ 27.618647][ T305] BUG: KASAN: use-after-free in enqueue_timer+0xae/0x480 [ 27.625683][ T305] Write of size 8 at addr ffff88810953ca00 by task kworker/u5:5/305 [ 27.633646][ T305] [ 27.635984][ T305] CPU: 0 PID: 305 Comm: kworker/u5:5 Not tainted 6.1.145-syzkaller-00002-gc750dc582629 #0 [ 27.645866][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 27.656119][ T305] Workqueue: hci0 hci_power_on [ 27.660895][ T305] Call Trace: [ 27.664342][ T305] [ 27.667267][ T305] __dump_stack+0x21/0x24 [ 27.671605][ T305] dump_stack_lvl+0xee/0x150 [ 27.676218][ T305] ? __cfi_dump_stack_lvl+0x8/0x8 [ 27.681247][ T305] ? select_task_rq_fair+0x56f/0x3490 [ 27.686624][ T305] ? enqueue_timer+0xae/0x480 [ 27.691303][ T305] print_address_description+0x71/0x210 [ 27.696878][ T305] print_report+0x4a/0x60 [ 27.701205][ T305] kasan_report+0x122/0x150 [ 27.705695][ T305] ? enqueue_timer+0xae/0x480 [ 27.710383][ T305] ? try_to_wake_up+0x613/0x1220 [ 27.715341][ T305] __asan_report_store8_noabort+0x17/0x20 [ 27.721598][ T305] enqueue_timer+0xae/0x480 [ 27.726134][ T305] __mod_timer+0x79f/0xb30 [ 27.730608][ T305] schedule_timeout+0x127/0x2e0 [ 27.735525][ T305] ? __cfi_schedule_timeout+0x10/0x10 [ 27.740909][ T305] ? queue_work_on+0xf8/0x140 [ 27.745603][ T305] ? __cfi_process_timeout+0x10/0x10 [ 27.750899][ T305] ? prepare_to_wait_event+0x40b/0x440 [ 27.756357][ T305] __hci_cmd_sync_sk+0x396/0xcf0 [ 27.761282][ T305] ? __cfi___hci_cmd_sync_sk+0x10/0x10 [ 27.766725][ T305] ? __cfi_autoremove_wake_function+0x10/0x10 [ 27.772778][ T305] ? __kasan_check_read+0x11/0x20 [ 27.777810][ T305] ? kvm_sched_clock_read+0x18/0x40 [ 27.783099][ T305] hci_dev_open_sync+0x13a7/0x3260 [ 27.788214][ T305] ? __cfi_hci_dev_open_sync+0x10/0x10 [ 27.793658][ T305] ? __kasan_check_write+0x14/0x20 [ 27.798756][ T305] ? __switch_to+0x51f/0xe30 [ 27.803332][ T305] ? psi_group_change+0xb73/0x12b0 [ 27.808440][ T305] ? __kasan_check_write+0x14/0x20 [ 27.813551][ T305] ? mutex_lock+0x8d/0x1a0 [ 27.817952][ T305] ? __cfi_mutex_lock+0x10/0x10 [ 27.822791][ T305] ? kthread_data+0x50/0xc0 [ 27.827273][ T305] ? _raw_spin_unlock+0x4c/0x70 [ 27.832109][ T305] hci_power_on+0x195/0x5c0 [ 27.836700][ T305] ? __cfi_hci_power_on+0x10/0x10 [ 27.841711][ T305] ? __schedule+0xb8f/0x14e0 [ 27.846368][ T305] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.851909][ T305] process_one_work+0x71f/0xc40 [ 27.856759][ T305] worker_thread+0xa29/0x11f0 [ 27.861461][ T305] kthread+0x281/0x320 [ 27.865544][ T305] ? __cfi_worker_thread+0x10/0x10 [ 27.870659][ T305] ? __cfi_kthread+0x10/0x10 [ 27.875373][ T305] ret_from_fork+0x1f/0x30 [ 27.879783][ T305] [ 27.882797][ T305] [ 27.885119][ T305] Allocated by task 295: [ 27.889346][ T305] kasan_set_track+0x4b/0x70 [ 27.893937][ T305] kasan_save_alloc_info+0x25/0x30 [ 27.899087][ T305] __kasan_kmalloc+0x95/0xb0 [ 27.903776][ T305] __kmalloc+0xb1/0x1e0 [ 27.907965][ T305] hci_alloc_dev_priv+0x27/0x1bd0 [ 27.912997][ T305] hci_uart_tty_ioctl+0x3d6/0xa20 [ 27.918035][ T305] tty_ioctl+0x8ef/0xc60 [ 27.922277][ T305] __se_sys_ioctl+0x12f/0x1b0 [ 27.926939][ T305] __x64_sys_ioctl+0x7b/0x90 [ 27.931514][ T305] x64_sys_call+0x58b/0x9a0 [ 27.936003][ T305] do_syscall_64+0x4c/0xa0 [ 27.940439][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 27.946318][ T305] [ 27.948628][ T305] Freed by task 302: [ 27.952513][ T305] kasan_set_track+0x4b/0x70 [ 27.957084][ T305] kasan_save_free_info+0x31/0x50 [ 27.962091][ T305] ____kasan_slab_free+0x132/0x180 [ 27.967215][ T305] __kasan_slab_free+0x11/0x20 [ 27.971972][ T305] slab_free_freelist_hook+0xc2/0x190 [ 27.977329][ T305] __kmem_cache_free+0xb7/0x1b0 [ 27.982163][ T305] kfree+0x6f/0xf0 [ 27.985870][ T305] hci_release_dev+0x12a3/0x13b0 [ 27.990827][ T305] bt_host_release+0x82/0x90 [ 27.995404][ T305] device_release+0xa4/0x1d0 [ 27.999993][ T305] kobject_put+0x19d/0x280 [ 28.004406][ T305] put_device+0x1f/0x30 [ 28.008555][ T305] hci_dev_cmd+0x265/0x720 [ 28.012957][ T305] hci_sock_ioctl+0x41e/0x7f0 [ 28.017616][ T305] sock_do_ioctl+0x101/0x310 [ 28.022192][ T305] sock_ioctl+0x4d8/0x6e0 [ 28.026516][ T305] __se_sys_ioctl+0x12f/0x1b0 [ 28.031175][ T305] __x64_sys_ioctl+0x7b/0x90 [ 28.035748][ T305] x64_sys_call+0x58b/0x9a0 [ 28.040238][ T305] do_syscall_64+0x4c/0xa0 [ 28.044643][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.050521][ T305] [ 28.052836][ T305] Last potentially related work creation: [ 28.058567][ T305] kasan_save_stack+0x3a/0x60 [ 28.063280][ T305] __kasan_record_aux_stack+0xb6/0xc0 [ 28.068702][ T305] kasan_record_aux_stack_noalloc+0xb/0x10 [ 28.074516][ T305] insert_work+0x51/0x300 [ 28.078862][ T305] __queue_work+0x9b1/0xd30 [ 28.083400][ T305] queue_work_on+0xd2/0x140 [ 28.087907][ T305] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 28.092844][ T305] hci_cmd_sync_status+0x53/0x120 [ 28.097883][ T305] hci_dev_cmd+0x628/0x720 [ 28.102356][ T305] hci_sock_ioctl+0x41e/0x7f0 [ 28.107037][ T305] sock_do_ioctl+0x101/0x310 [ 28.111635][ T305] sock_ioctl+0x4d8/0x6e0 [ 28.115956][ T305] __se_sys_ioctl+0x12f/0x1b0 [ 28.120616][ T305] __x64_sys_ioctl+0x7b/0x90 [ 28.125189][ T305] x64_sys_call+0x58b/0x9a0 [ 28.129772][ T305] do_syscall_64+0x4c/0xa0 [ 28.134190][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.140183][ T305] [ 28.142503][ T305] Second to last potentially related work creation: [ 28.149116][ T305] kasan_save_stack+0x3a/0x60 [ 28.153788][ T305] __kasan_record_aux_stack+0xb6/0xc0 [ 28.159233][ T305] kasan_record_aux_stack_noalloc+0xb/0x10 [ 28.165042][ T305] insert_work+0x51/0x300 [ 28.169361][ T305] __queue_work+0x9b1/0xd30 [ 28.173863][ T305] queue_work_on+0xd2/0x140 [ 28.178380][ T305] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 28.183302][ T305] hci_cmd_sync_status+0x53/0x120 [ 28.188311][ T305] hci_dev_cmd+0x628/0x720 [ 28.192717][ T305] hci_sock_ioctl+0x41e/0x7f0 [ 28.197379][ T305] sock_do_ioctl+0x101/0x310 [ 28.201960][ T305] sock_ioctl+0x4d8/0x6e0 [ 28.206304][ T305] __se_sys_ioctl+0x12f/0x1b0 [ 28.211070][ T305] __x64_sys_ioctl+0x7b/0x90 [ 28.215744][ T305] x64_sys_call+0x58b/0x9a0 [ 28.220259][ T305] do_syscall_64+0x4c/0xa0 [ 28.224680][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.230612][ T305] [ 28.233020][ T305] The buggy address belongs to the object at ffff88810953c000 [ 28.233020][ T305] which belongs to the cache kmalloc-8k of size 8192 [ 28.247068][ T305] The buggy address is located 2560 bytes inside of [ 28.247068][ T305] 8192-byte region [ffff88810953c000, ffff88810953e000) [ 28.260518][ T305] [ 28.262862][ T305] The buggy address belongs to the physical page: [ 28.269254][ T305] page:ffffea0004254e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109538 [ 28.279558][ T305] head:ffffea0004254e00 order:3 compound_mapcount:0 compound_pincount:0 [ 28.288045][ T305] flags: 0x4000000000010200(slab|head|zone=1) [ 28.294097][ T305] raw: 4000000000010200 0000000000000000 dead000000000001 ffff888100043500 [ 28.302664][ T305] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 28.311234][ T305] page dumped because: kasan: bad access detected [ 28.317658][ T305] page_owner tracks the page as allocated [ 28.323367][ T305] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3586222168, free_ts 0 [ 28.343061][ T305] post_alloc_hook+0x1f5/0x210 [ 28.347815][ T305] prep_new_page+0x1c/0x110 [ 28.352403][ T305] get_page_from_freelist+0x2c7b/0x2cf0 [ 28.358058][ T305] __alloc_pages+0x1c3/0x450 [ 28.362681][ T305] alloc_slab_page+0x6e/0xf0 [ 28.367303][ T305] new_slab+0x98/0x3d0 [ 28.371375][ T305] ___slab_alloc+0x6f6/0xb50 [ 28.375984][ T305] __slab_alloc+0x5e/0xa0 [ 28.380312][ T305] __kmem_cache_alloc_node+0x203/0x2c0 [ 28.385760][ T305] kmalloc_trace+0x29/0xb0 [ 28.390163][ T305] cryptomgr_notify+0x83/0x8e0 [ 28.394920][ T305] blocking_notifier_call_chain+0xcb/0x150 [ 28.400986][ T305] crypto_alg_mod_lookup+0x3a9/0x5c0 [ 28.406260][ T305] crypto_alloc_tfm_node+0x134/0x360 [ 28.411532][ T305] crypto_alloc_akcipher+0x30/0x40 [ 28.416631][ T305] public_key_verify_signature+0x262/0xd80 [ 28.422478][ T305] page_owner free stack trace missing [ 28.427842][ T305] [ 28.430158][ T305] Memory state around the buggy address: [ 28.435776][ T305] ffff88810953c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.443836][ T305] ffff88810953c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.451895][ T305] >ffff88810953ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.459947][ T305] ^ [pid 312] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 302] +++ exited with 0 +++ [pid 299] +++ exited with 0 +++ [pid 296] +++ exited with 0 +++ [pid 290] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 312] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 312] <... socket resumed>) = 4 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] ioctl(4, HCISETAUTH [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... clone resumed>, child_tidptr=0x55557e8a2650) = 315 [pid 291] <... clone resumed>, child_tidptr=0x55557e8a2650) = 314 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x55557e8a2660, 24) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 [pid 313] write(1, "executing program\n", 18executing program ) = 18 [pid 313] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 313] ioctl(3, TIOCSETD, [15]) = 0 [ 28.463998][ T305] ffff88810953ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.472063][ T305] ffff88810953cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.480137][ T305] ================================================================== [ 28.488208][ T305] Disabling lock debugging due to kernel taint [ 28.495468][ T8] Bluetooth: hci0: Frame reassembly failed (-84) [pid 313] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4)./strace-static-x86_64: Process 315 attached ./strace-static-x86_64: Process 314 attached , 0) = 0 [pid 290] <... clone resumed>, child_tidptr=0x55557e8a2650) = 313 [pid 315] set_robust_list(0x55557e8a2660, 24) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4executing program ) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18) = 18 [pid 315] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 315] ioctl(3, TIOCSETD, [15]) = 0 [pid 315] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 315] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 315] ioctl(4, HCISETAUTHexecuting program [pid 314] set_robust_list(0x55557e8a2660, 24) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 314] ioctl(3, TIOCSETD, [15]) = 0 [pid 314] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 314] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [pid 314] ioctl(4, HCISETAUTH [pid 313] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 4 [ 28.505940][ T28] audit: type=1400 audit(1755157267.934:67): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 28.514142][ T8] Bluetooth: hci1: Frame reassembly failed (-84) [ 28.528714][ T28] audit: type=1400 audit(1755157267.964:68): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.547583][ T8] Bluetooth: hci2: Frame reassembly failed (-84) [ 28.555295][ T308] Bluetooth: hci3: Frame reassembly failed (-84) [ 28.561992][ T28] audit: type=1400 audit(1755157267.964:69): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.589852][ T28] audit: type=1400 audit(1755157267.964:70): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.610704][ T28] audit: type=1400 audit(1755157267.964:71): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.631055][ T28] audit: type=1400 audit(1755157267.964:72): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.653985][ T28] audit: type=1400 audit(1755157267.964:73): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 29.614878][ C0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 29.614934][ T307] Bluetooth: hci0: command 0x1003 tx timeout [ 29.626634][ C0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 29.626649][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 6.1.145-syzkaller-00002-gc750dc582629 #0 [ 29.626668][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 29.626677][ C0] RIP: 0010:__queue_work+0x575/0xd30 [ 29.667655][ C0] Code: 39 2b 0f 84 b9 00 00 00 e8 28 d7 28 00 4c 89 ff e8 50 60 ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 4c 3a 6d 00 49 8b 7d 00 e8 33 5c [ 29.687345][ C0] RSP: 0018:ffffc90000007c70 EFLAGS: 00010046 [ 29.693407][ C0] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffffffff86e1c500 [ 29.701364][ C0] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 29.709356][ C0] RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007 [ 29.717344][ C0] R10: ffffed10212a7939 R11: 1ffff110212a7939 R12: dffffc0000000000 [ 29.725484][ C0] R13: 0000000000000000 R14: ffff88810953c9c8 R15: 0000000000000008 [ 29.733444][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 29.742372][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.749134][ C0] CR2: 00007fff3f9f3738 CR3: 0000000122cbf000 CR4: 00000000003506b0 [ 29.757112][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.765070][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.773027][ C0] Call Trace: [ 29.776298][ C0] [ 29.779141][ C0] delayed_work_timer_fn+0x61/0x80 [ 29.784265][ C0] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 29.790087][ C0] call_timer_fn+0x46/0x2a0 [ 29.794586][ C0] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 29.800378][ C0] __run_timers+0x667/0x9a0 [ 29.804871][ C0] ? calc_index+0x200/0x200 [ 29.809374][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 29.814564][ C0] run_timer_softirq+0x6a/0xf0 [ 29.819336][ C0] handle_softirqs+0x1d7/0x600 [ 29.824099][ C0] ? irqtime_account_irq+0xc4/0x240 [ 29.829302][ C0] __irq_exit_rcu+0x52/0xf0 [ 29.833795][ C0] irq_exit_rcu+0x9/0x10 [ 29.838110][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 29.843729][ C0] [ 29.846652][ C0] [ 29.849571][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 29.855538][ C0] RIP: 0010:default_idle+0xf/0x20 [ 29.860552][ C0] Code: e9 47 ff ff ff 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 53 d2 52 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 [ 29.880145][ C0] RSP: 0018:ffffffff86e07d58 EFLAGS: 00000257 [ 29.886303][ C0] RAX: ffff8881f7000000 RBX: ffffffff86e1c500 RCX: 3b6051adc3083400 [ 29.894285][ C0] RDX: 0000000000000001 RSI: ffffffff85aa0bc0 RDI: ffffffff85aa0b80 [ 29.902260][ C0] RBP: ffffffff86e07d58 R08: dffffc0000000000 R09: ffffed103ee06917 [ 29.910220][ C0] R10: 0000000000000000 R11: ffffffff84f36120 R12: 0000000000000000 [ 29.918178][ C0] R13: 0000000000000000 R14: ffffffff86e1c500 R15: dffffc0000000000 [ 29.926144][ C0] ? __cfi_default_idle+0x10/0x10 [ 29.931165][ C0] arch_cpu_idle+0x1c/0x20 [ 29.935571][ C0] default_idle_call+0x71/0x1d0 [ 29.940426][ C0] do_idle+0x1a7/0x520 [ 29.944486][ C0] ? ct_irq_exit+0x9/0x10 [ 29.948810][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 29.954004][ C0] cpu_startup_entry+0x43/0x60 [ 29.958755][ C0] rest_init+0x10a/0x130 [ 29.963079][ C0] ? __cfi_x86_late_time_init+0x8/0x8 [ 29.968438][ C0] arch_call_rest_init+0xe/0x10 [ 29.973272][ C0] start_kernel+0x482/0x4f0 [ 29.977760][ C0] x86_64_start_reservations+0x2a/0x2c [ 29.983221][ C0] x86_64_start_kernel+0x7c/0x81 [ 29.988146][ C0] secondary_startup_64_no_verify+0xce/0xdb [ 29.994029][ C0] [ 29.997035][ C0] Modules linked in: [ 30.000916][ C0] ---[ end trace 0000000000000000 ]--- [ 30.006444][ C0] RIP: 0010:__queue_work+0x575/0xd30 [ 30.011734][ C0] Code: 39 2b 0f 84 b9 00 00 00 e8 28 d7 28 00 4c 89 ff e8 50 60 ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 4c 3a 6d 00 49 8b 7d 00 e8 33 5c [ 30.031499][ C0] RSP: 0018:ffffc90000007c70 EFLAGS: 00010046 [ 30.037557][ C0] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffffffff86e1c500 [ 30.045603][ C0] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 30.053560][ C0] RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007 [ 30.061518][ C0] R10: ffffed10212a7939 R11: 1ffff110212a7939 R12: dffffc0000000000 [ 30.069478][ C0] R13: 0000000000000000 R14: ffff88810953c9c8 R15: 0000000000000008 [ 30.077437][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 30.086378][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.092975][ C0] CR2: 00007fff3f9f3738 CR3: 0000000122cbf000 CR4: 00000000003506b0 [ 30.101143][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.109122][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.117123][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 30.124600][ C0] Kernel Offset: disabled [ 30.128956][ C0] Rebooting in 86400 seconds..