./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2031613977 <...> Warning: Permanently added '10.128.0.122' (ED25519) to the list of known hosts. execve("./syz-executor2031613977", ["./syz-executor2031613977"], 0x7fff64003180 /* 10 vars */) = 0 brk(NULL) = 0x55556eae8000 brk(0x55556eae8d00) = 0x55556eae8d00 arch_prctl(ARCH_SET_FS, 0x55556eae8380) = 0 set_tid_address(0x55556eae8650) = 5071 set_robust_list(0x55556eae8660, 24) = 0 rseq(0x55556eae8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2031613977", 4096) = 28 getrandom("\xf3\x65\x3f\xef\x27\xc9\xf3\x89", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556eae8d00 brk(0x55556eb09d00) = 0x55556eb09d00 brk(0x55556eb0a000) = 0x55556eb0a000 mprotect(0x7f694163e000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached , child_tidptr=0x55556eae8650) = 5072 [pid 5072] set_robust_list(0x55556eae8660, 24) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached , child_tidptr=0x55556eae8650) = 5073 [pid 5073] set_robust_list(0x55556eae8660, 24) = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached , child_tidptr=0x55556eae8650) = 5074 [pid 5074] set_robust_list(0x55556eae8660, 24) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5074] exit_group(0) = ? [pid 5074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached , child_tidptr=0x55556eae8650) = 5075 [pid 5075] set_robust_list(0x55556eae8660, 24) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=8, max_entries=128, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 5075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=32768, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 4 [pid 5075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=21, insns=0x20000000, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 5 [pid 5075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="sched_kthread_work_queue_work", prog_fd=5}}, 16) = 6 [pid 5075] exit_group(0) = ? [ 74.082375][ T2392] ------------[ cut here ]------------ [ 74.082525][ T2392] [ 74.082530][ T2392] ====================================================== [ 74.082537][ T2392] WARNING: possible circular locking dependency detected [ 74.082543][ T2392] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 74.082552][ T2392] ------------------------------------------------------ [ 74.082558][ T2392] kworker/u8:7/2392 is trying to acquire lock: [ 74.082567][ T2392] ffffffff8e126300 (console_owner){....}-{0:0}, at: console_flush_all+0x152/0xfd0 [ 74.082633][ T2392] [ 74.082633][ T2392] but task is already holding lock: [ 74.082638][ T2392] ffff888016ee8120 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 [ 74.082679][ T2392] [ 74.082679][ T2392] which lock already depends on the new lock. [ 74.082679][ T2392] [ 74.082685][ T2392] [ 74.082685][ T2392] the existing dependency chain (in reverse order) is: [ 74.082690][ T2392] [ 74.082690][ T2392] -> #4 ((worker)->lock){....}-{2:2}: [ 74.082713][ T2392] lock_acquire+0x1e4/0x530 [ 74.082730][ T2392] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.082759][ T2392] kthread_queue_work+0x27/0x180 [ 74.082778][ T2392] put_pwq_unlocked+0x12a/0x190 [ 74.082800][ T2392] apply_workqueue_attrs_locked+0x132/0x210 [ 74.082823][ T2392] apply_workqueue_attrs+0x30/0x50 [ 74.082845][ T2392] padata_alloc+0x22b/0x370 [ 74.082860][ T2392] pcrypt_init_padata+0x27/0x100 [ 74.082883][ T2392] pcrypt_init+0x65/0xe0 [ 74.082903][ T2392] do_one_initcall+0x23a/0x830 [ 74.082926][ T2392] do_initcall_level+0x157/0x210 [ 74.082943][ T2392] do_initcalls+0x3f/0x80 [ 74.082959][ T2392] kernel_init_freeable+0x435/0x5d0 [ 74.082976][ T2392] kernel_init+0x1d/0x2a0 [ 74.082994][ T2392] ret_from_fork+0x4d/0x80 [ 74.083023][ T2392] ret_from_fork_asm+0x1a/0x30 [ 74.083048][ T2392] [ 74.083048][ T2392] -> #3 (&pool->lock){-.-.}-{2:2}: [ 74.083070][ T2392] lock_acquire+0x1e4/0x530 [ 74.083086][ T2392] _raw_spin_lock+0x2e/0x40 [ 74.083111][ T2392] __queue_work+0x6ec/0xec0 [ 74.083129][ T2392] queue_work_on+0x14f/0x250 [ 74.083147][ T2392] rpm_suspend+0xe99/0x1780 [ 74.083168][ T2392] __pm_runtime_idle+0x131/0x1a0 [ 74.083187][ T2392] __device_attach+0x3e5/0x520 [ 74.083210][ T2392] bus_probe_device+0x189/0x260 [ 74.083228][ T2392] device_add+0x8ff/0xca0 [ 74.083248][ T2392] serial_base_port_add+0x2b6/0x3f0 [ 74.083268][ T2392] serial_core_register_port+0x393/0x1e30 [ 74.083292][ T2392] serial8250_register_8250_port+0x1433/0x1cd0 [ 74.083314][ T2392] serial_pnp_probe+0x7d5/0xa20 [ 74.083335][ T2392] pnp_device_probe+0x2bc/0x460 [ 74.083359][ T2392] really_probe+0x2a0/0xc50 [ 74.083392][ T2392] __driver_probe_device+0x1a2/0x3e0 [ 74.083425][ T2392] driver_probe_device+0x50/0x430 [ 74.083460][ T2392] __driver_attach+0x45f/0x710 [ 74.083491][ T2392] bus_for_each_dev+0x23b/0x2b0 [ 74.083514][ T2392] bus_add_driver+0x347/0x620 [ 74.083537][ T2392] driver_register+0x23a/0x320 [ 74.083573][ T2392] serial8250_init+0x9e/0x170 [ 74.083608][ T2392] do_one_initcall+0x23a/0x830 [ 74.083640][ T2392] do_initcall_level+0x157/0x210 [ 74.083664][ T2392] do_initcalls+0x3f/0x80 [ 74.083685][ T2392] kernel_init_freeable+0x435/0x5d0 [ 74.083709][ T2392] kernel_init+0x1d/0x2a0 [ 74.083733][ T2392] ret_from_fork+0x4d/0x80 [ 74.083768][ T2392] ret_from_fork_asm+0x1a/0x30 [ 74.083802][ T2392] [ 74.083802][ T2392] -> #2 (&dev->power.lock){-...}-{2:2}: [ 74.083835][ T2392] lock_acquire+0x1e4/0x530 [ 74.083857][ T2392] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.083893][ T2392] __pm_runtime_resume+0x112/0x180 [ 74.083921][ T2392] __uart_start+0x17a/0x3c0 [ 74.083954][ T2392] uart_write+0x427/0x5c0 [ 74.083986][ T2392] n_tty_write+0xd6c/0x1230 [ 74.084015][ T2392] file_tty_write+0x551/0x9b0 [ 74.084047][ T2392] vfs_write+0xa86/0xcb0 [ 74.084076][ T2392] ksys_write+0x1a0/0x2c0 [ 74.084104][ T2392] do_syscall_64+0xfd/0x240 [ 74.084125][ T2392] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 74.084155][ T2392] [ 74.084155][ T2392] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 74.084186][ T2392] lock_acquire+0x1e4/0x530 [ 74.084208][ T2392] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.084244][ T2392] serial8250_console_write+0x1a8/0x1840 [ 74.084280][ T2392] console_flush_all+0x867/0xfd0 [ 74.084313][ T2392] console_unlock+0x13b/0x4d0 [ 74.084342][ T2392] vprintk_emit+0x5a6/0x770 [ 74.084371][ T2392] _printk+0xd5/0x120 [ 74.084403][ T2392] register_console+0x70a/0xcd0 [ 74.084436][ T2392] univ8250_console_init+0x49/0x50 [ 74.084471][ T2392] console_init+0x198/0x680 [ 74.084493][ T2392] start_kernel+0x2d3/0x500 [ 74.084513][ T2392] x86_64_start_reservations+0x2a/0x30 [ 74.084543][ T2392] x86_64_start_kernel+0x99/0xa0 [ 74.084571][ T2392] common_startup_64+0x13e/0x147 [ 74.084599][ T2392] [ 74.084599][ T2392] -> #0 (console_owner){....}-{0:0}: [ 74.084630][ T2392] validate_chain+0x18cb/0x58e0 [ 74.084659][ T2392] __lock_acquire+0x1346/0x1fd0 [ 74.084682][ T2392] lock_acquire+0x1e4/0x530 [ 74.084703][ T2392] console_flush_all+0x810/0xfd0 [ 74.084735][ T2392] console_unlock+0x13b/0x4d0 [ 74.084764][ T2392] vprintk_emit+0x5a6/0x770 [ 74.084793][ T2392] _printk+0xd5/0x120 [ 74.084825][ T2392] report_bug+0x346/0x500 [ 74.084851][ T2392] handle_bug+0x3e/0x70 [ 74.084873][ T2392] exc_invalid_op+0x1a/0x50 [ 74.084896][ T2392] asm_exc_invalid_op+0x1a/0x20 [ 74.084923][ T2392] __local_bh_enable_ip+0x1be/0x200 [ 74.084947][ T2392] sock_map_delete_elem+0xca/0x140 [ 74.084978][ T2392] bpf_prog_d247abf228e51871+0x69/0x71 [ 74.084998][ T2392] bpf_trace_run2+0x206/0x420 [ 74.085029][ T2392] kthread_insert_work+0x3f4/0x460 [ 74.085056][ T2392] kthread_queue_work+0xff/0x180 [ 74.085082][ T2392] synchronize_rcu_expedited+0x593/0x820 [ 74.085110][ T2392] synchronize_rcu+0x136/0x3e0 [ 74.085137][ T2392] sock_map_free+0x29/0x3e0 [ 74.085161][ T2392] bpf_map_free_deferred+0xe8/0x110 [ 74.085184][ T2392] process_scheduled_works+0xa02/0x1770 [ 74.085204][ T2392] worker_thread+0x86d/0xd70 [ 74.085224][ T2392] kthread+0x2f2/0x390 [ 74.085247][ T2392] ret_from_fork+0x4d/0x80 [ 74.085278][ T2392] ret_from_fork_asm+0x1a/0x30 [ 74.085307][ T2392] [ 74.085307][ T2392] other info that might help us debug this: [ 74.085307][ T2392] [ 74.085313][ T2392] Chain exists of: [ 74.085313][ T2392] console_owner --> &pool->lock --> (worker)->lock [ 74.085313][ T2392] [ 74.085344][ T2392] Possible unsafe locking scenario: [ 74.085344][ T2392] [ 74.085350][ T2392] CPU0 CPU1 [ 74.085356][ T2392] ---- ---- [ 74.085361][ T2392] lock((worker)->lock); [ 74.085375][ T2392] lock(&pool->lock); [ 74.085388][ T2392] lock((worker)->lock); [ 74.085403][ T2392] lock(console_owner); [ 74.085415][ T2392] [ 74.085415][ T2392] *** DEADLOCK *** [ 74.085415][ T2392] [ 74.085421][ T2392] 7 locks held by kworker/u8:7/2392: [ 74.085433][ T2392] #0: ffff888014c79148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 [ 74.085482][ T2392] #1: ffffc90009027d00 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 [ 74.085532][ T2392] #2: ffffffff8e1373b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 [ 74.085585][ T2392] #3: ffff888016ee8120 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 [ 74.085637][ T2392] #4: ffffffff8e132020 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 74.085688][ T2392] #5: ffffffff8e00dc20 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 [ 74.085745][ T2392] #6: ffffffff8e00d850 (console_srcu){....}-{0:0}, at: console_flush_all+0x152/0xfd0 [ 74.085802][ T2392] [ 74.085802][ T2392] stack backtrace: [ 74.085809][ T2392] CPU: 1 PID: 2392 Comm: kworker/u8:7 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 74.085830][ T2392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 74.085843][ T2392] Workqueue: events_unbound bpf_map_free_deferred [ 74.085866][ T2392] Call Trace: [ 74.085874][ T2392] [ 74.085882][ T2392] dump_stack_lvl+0x241/0x360 [ 74.085919][ T2392] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.085959][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.085983][ T2392] ? print_circular_bug+0x130/0x1a0 [ 74.086017][ T2392] check_noncircular+0x36a/0x4a0 [ 74.086049][ T2392] ? __pfx_check_noncircular+0x10/0x10 [ 74.086077][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086101][ T2392] ? lockdep_lock+0x123/0x2b0 [ 74.086137][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086161][ T2392] ? add_lock_to_list+0x1de/0x2e0 [ 74.086193][ T2392] validate_chain+0x18cb/0x58e0 [ 74.086236][ T2392] ? __pfx_validate_chain+0x10/0x10 [ 74.086265][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086289][ T2392] ? sprintf+0xda/0x120 [ 74.086314][ T2392] ? vsnprintf+0x1cc3/0x1da0 [ 74.086348][ T2392] ? info_print_prefix+0x204/0x310 [ 74.086386][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086410][ T2392] ? mark_lock+0x9a/0x350 [ 74.086436][ T2392] __lock_acquire+0x1346/0x1fd0 [ 74.086468][ T2392] lock_acquire+0x1e4/0x530 [ 74.086489][ T2392] ? console_flush_all+0x152/0xfd0 [ 74.086525][ T2392] ? __pfx_lock_acquire+0x10/0x10 [ 74.086547][ T2392] ? __pfx_lock_release+0x10/0x10 [ 74.086567][ T2392] ? do_raw_spin_lock+0x14f/0x370 [ 74.086603][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086627][ T2392] ? do_raw_spin_unlock+0x13c/0x8b0 [ 74.086658][ T2392] ? console_flush_all+0x3a8/0xfd0 [ 74.086691][ T2392] console_flush_all+0x810/0xfd0 [ 74.086720][ T2392] ? console_flush_all+0x152/0xfd0 [ 74.086753][ T2392] ? console_flush_all+0x152/0xfd0 [ 74.086789][ T2392] ? __pfx_console_flush_all+0x10/0x10 [ 74.086822][ T2392] ? __pfx_lock_acquire+0x10/0x10 [ 74.086845][ T2392] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 74.086881][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.086905][ T2392] ? validate_chain+0x15a2/0x58e0 [ 74.086934][ T2392] console_unlock+0x13b/0x4d0 [ 74.086965][ T2392] ? __pfx_console_unlock+0x10/0x10 [ 74.086992][ T2392] ? _printk+0xd5/0x120 [ 74.087026][ T2392] ? _printk+0xd5/0x120 [ 74.087055][ T2392] ? __pfx___down_trylock_console_sem+0x10/0x10 [ 74.087089][ T2392] ? __pfx_validate_chain+0x10/0x10 [ 74.087121][ T2392] vprintk_emit+0x5a6/0x770 [ 74.087150][ T2392] ? __pfx_vprintk_emit+0x10/0x10 [ 74.087182][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.087206][ T2392] ? lockdep_unlock+0x16a/0x300 [ 74.087243][ T2392] _printk+0xd5/0x120 [ 74.087275][ T2392] ? report_bug+0x25e/0x500 [ 74.087300][ T2392] ? __pfx__printk+0x10/0x10 [ 74.087331][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.087355][ T2392] ? __lock_acquire+0x1346/0x1fd0 [ 74.087378][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.087402][ T2392] ? find_bug+0xa3/0x390 [ 74.087424][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 74.087449][ T2392] report_bug+0x346/0x500 [ 74.087473][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 74.087498][ T2392] handle_bug+0x3e/0x70 [ 74.087520][ T2392] exc_invalid_op+0x1a/0x50 [ 74.087542][ T2392] asm_exc_invalid_op+0x1a/0x20 [ 74.087567][ T2392] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 74.087590][ T2392] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 74.087607][ T2392] RSP: 0018:ffffc900090274a0 EFLAGS: 00010046 [ 74.087624][ T2392] RAX: 0000000000000000 RBX: 1ffff92001204e98 RCX: 0000000000000001 [ 74.087638][ T2392] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 74.087652][ T2392] RBP: ffffc90009027560 R08: ffff88802e1cf9eb R09: 1ffff11005c39f3d [ 74.087668][ T2392] R10: dffffc0000000000 R11: ffffed1005c39f3e R12: dffffc0000000000 [ 74.087684][ T2392] R13: ffff88802e1c9800 R14: ffffc900090274e0 R15: 0000000000000201 [ 74.087706][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 74.087738][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 74.087766][ T2392] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 74.087788][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 74.087815][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.087839][ T2392] ? do_raw_spin_unlock+0x13c/0x8b0 [ 74.087871][ T2392] ? arch_irq_work_raise+0x6f/0x80 [ 74.087899][ T2392] ? sock_map_delete_elem+0x97/0x140 [ 74.087931][ T2392] sock_map_delete_elem+0xca/0x140 [ 74.087961][ T2392] bpf_prog_d247abf228e51871+0x69/0x71 [ 74.087981][ T2392] bpf_trace_run2+0x206/0x420 [ 74.088012][ T2392] ? bpf_trace_run2+0x114/0x420 [ 74.088037][ T2392] ? __pfx_bpf_trace_run2+0x10/0x10 [ 74.088061][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088087][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088116][ T2392] kthread_insert_work+0x3f4/0x460 [ 74.088145][ T2392] kthread_queue_work+0xff/0x180 [ 74.088174][ T2392] synchronize_rcu_expedited+0x593/0x820 [ 74.088202][ T2392] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 74.088229][ T2392] ? __pfx_validate_chain+0x10/0x10 [ 74.088255][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088279][ T2392] ? mark_lock+0x9a/0x350 [ 74.088304][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088328][ T2392] ? __lock_acquire+0x1346/0x1fd0 [ 74.088352][ T2392] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 74.088376][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088404][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088429][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088457][ T2392] ? __pfx___might_resched+0x10/0x10 [ 74.088489][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088518][ T2392] synchronize_rcu+0x136/0x3e0 [ 74.088542][ T2392] ? __pfx_synchronize_rcu+0x10/0x10 [ 74.088575][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088604][ T2392] ? __pfx_lock_acquire+0x10/0x10 [ 74.088626][ T2392] ? srso_return_thunk+0x5/0x5f [ 74.088650][ T2392] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 74.088675][ T2392] sock_map_free+0x29/0x3e0 [ 74.088707][ T2392] bpf_map_free_deferred+0xe8/0x110 [ 74.088732][ T2392] ? process_scheduled_works+0x91b/0x1770 [ 74.088754][ T2392] process_scheduled_works+0xa02/0x1770 [ 74.088793][ T2392] ? __pfx_process_scheduled_works+0x10/0x10 [ 74.088821][ T2392] ? assign_work+0x364/0x3d0 [ 74.088844][ T2392] worker_thread+0x86d/0xd70 [ 74.088877][ T2392] ? __kthread_parkme+0x169/0x1d0 [ 74.088902][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 74.088925][ T2392] kthread+0x2f2/0x390 [ 74.088951][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 74.088973][ T2392] ? __pfx_kthread+0x10/0x10 [ 74.089000][ T2392] ret_from_fork+0x4d/0x80 [ 74.089035][ T2392] ? __pfx_kthread+0x10/0x10 [ 74.089061][ T2392] ret_from_fork_asm+0x1a/0x30 [ 74.089101][ T2392] [ 75.522630][ T2392] WARNING: CPU: 1 PID: 2392 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 [ 75.532109][ T2392] Modules linked in: [ 75.536007][ T2392] CPU: 1 PID: 2392 Comm: kworker/u8:7 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 75.545815][ T2392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 75.555873][ T2392] Workqueue: events_unbound bpf_map_free_deferred [ 75.562307][ T2392] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 75.568298][ T2392] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 75.587919][ T2392] RSP: 0018:ffffc900090274a0 EFLAGS: 00010046 [ 75.593995][ T2392] RAX: 0000000000000000 RBX: 1ffff92001204e98 RCX: 0000000000000001 [ 75.601972][ T2392] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 75.609951][ T2392] RBP: ffffc90009027560 R08: ffff88802e1cf9eb R09: 1ffff11005c39f3d [ 75.617932][ T2392] R10: dffffc0000000000 R11: ffffed1005c39f3e R12: dffffc0000000000 [ 75.625910][ T2392] R13: ffff88802e1c9800 R14: ffffc900090274e0 R15: 0000000000000201 [ 75.633894][ T2392] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 75.642830][ T2392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.649417][ T2392] CR2: 00007f694159964c CR3: 000000000df32000 CR4: 0000000000350ef0 [ 75.657399][ T2392] Call Trace: [ 75.660682][ T2392] [ 75.663617][ T2392] ? __warn+0x163/0x4b0 [ 75.667789][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 75.673167][ T2392] ? report_bug+0x2b3/0x500 [ 75.677680][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 75.683060][ T2392] ? handle_bug+0x3e/0x70 [ 75.687393][ T2392] ? exc_invalid_op+0x1a/0x50 [ 75.692076][ T2392] ? asm_exc_invalid_op+0x1a/0x20 [ 75.697139][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 75.702437][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 75.707817][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 75.713113][ T2392] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 75.718838][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 75.724135][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.728994][ T2392] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.734210][ T2392] ? arch_irq_work_raise+0x6f/0x80 [ 75.739336][ T2392] ? sock_map_delete_elem+0x97/0x140 [ 75.744637][ T2392] sock_map_delete_elem+0xca/0x140 [ 75.749767][ T2392] bpf_prog_d247abf228e51871+0x69/0x71 [ 75.755233][ T2392] bpf_trace_run2+0x206/0x420 [ 75.759936][ T2392] ? bpf_trace_run2+0x114/0x420 [ 75.764807][ T2392] ? __pfx_bpf_trace_run2+0x10/0x10 [ 75.770021][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.774885][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.779748][ T2392] kthread_insert_work+0x3f4/0x460 [ 75.784878][ T2392] kthread_queue_work+0xff/0x180 [ 75.789827][ T2392] synchronize_rcu_expedited+0x593/0x820 [ 75.795473][ T2392] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 75.801643][ T2392] ? __pfx_validate_chain+0x10/0x10 [ 75.806853][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.811716][ T2392] ? mark_lock+0x9a/0x350 [ 75.816055][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.820914][ T2392] ? __lock_acquire+0x1346/0x1fd0 [ 75.825948][ T2392] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 75.831241][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.836106][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.840968][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.845836][ T2392] ? __pfx___might_resched+0x10/0x10 [ 75.851136][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.856008][ T2392] synchronize_rcu+0x136/0x3e0 [ 75.860796][ T2392] ? __pfx_synchronize_rcu+0x10/0x10 [ 75.866101][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.870968][ T2392] ? __pfx_lock_acquire+0x10/0x10 [ 75.876002][ T2392] ? srso_return_thunk+0x5/0x5f [ 75.880867][ T2392] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 75.886858][ T2392] sock_map_free+0x29/0x3e0 [ 75.891381][ T2392] bpf_map_free_deferred+0xe8/0x110 [ 75.896590][ T2392] ? process_scheduled_works+0x91b/0x1770 [ 75.902315][ T2392] process_scheduled_works+0xa02/0x1770 [ 75.907888][ T2392] ? __pfx_process_scheduled_works+0x10/0x10 [ 75.913881][ T2392] ? assign_work+0x364/0x3d0 [ 75.918478][ T2392] worker_thread+0x86d/0xd70 [ 75.923087][ T2392] ? __kthread_parkme+0x169/0x1d0 [ 75.928122][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 75.933239][ T2392] kthread+0x2f2/0x390 [ 75.937320][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 75.942439][ T2392] ? __pfx_kthread+0x10/0x10 [ 75.947037][ T2392] ret_from_fork+0x4d/0x80 [ 75.951479][ T2392] ? __pfx_kthread+0x10/0x10 [ 75.956082][ T2392] ret_from_fork_asm+0x1a/0x30 [ 75.960897][ T2392] [ 75.963921][ T2392] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.971195][ T2392] CPU: 1 PID: 2392 Comm: kworker/u8:7 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 75.980999][ T2392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 75.991064][ T2392] Workqueue: events_unbound bpf_map_free_deferred [ 75.997525][ T2392] Call Trace: [ 76.000815][ T2392] [ 76.003752][ T2392] dump_stack_lvl+0x241/0x360 [ 76.008458][ T2392] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.013681][ T2392] ? __pfx__printk+0x10/0x10 [ 76.018317][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.023177][ T2392] ? vscnprintf+0x5d/0x90 [ 76.027513][ T2392] panic+0x349/0x860 [ 76.031425][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.036294][ T2392] ? __warn+0x172/0x4b0 [ 76.040464][ T2392] ? __pfx_panic+0x10/0x10 [ 76.044902][ T2392] ? ret_from_fork_asm+0x1a/0x30 [ 76.049861][ T2392] __warn+0x31e/0x4b0 [ 76.053856][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 76.059234][ T2392] report_bug+0x2b3/0x500 [ 76.063571][ T2392] ? __local_bh_enable_ip+0x1be/0x200 [ 76.068950][ T2392] handle_bug+0x3e/0x70 [ 76.073109][ T2392] exc_invalid_op+0x1a/0x50 [ 76.077621][ T2392] asm_exc_invalid_op+0x1a/0x20 [ 76.082481][ T2392] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 76.088467][ T2392] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 [ 76.108084][ T2392] RSP: 0018:ffffc900090274a0 EFLAGS: 00010046 [ 76.114167][ T2392] RAX: 0000000000000000 RBX: 1ffff92001204e98 RCX: 0000000000000001 [ 76.122143][ T2392] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff896400ba [ 76.130116][ T2392] RBP: ffffc90009027560 R08: ffff88802e1cf9eb R09: 1ffff11005c39f3d [ 76.138091][ T2392] R10: dffffc0000000000 R11: ffffed1005c39f3e R12: dffffc0000000000 [ 76.146079][ T2392] R13: ffff88802e1c9800 R14: ffffc900090274e0 R15: 0000000000000201 [ 76.154072][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 76.159383][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 76.164679][ T2392] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 76.170402][ T2392] ? sock_map_delete_elem+0xca/0x140 [ 76.175702][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.180563][ T2392] ? do_raw_spin_unlock+0x13c/0x8b0 [ 76.185777][ T2392] ? arch_irq_work_raise+0x6f/0x80 [ 76.190901][ T2392] ? sock_map_delete_elem+0x97/0x140 [ 76.196202][ T2392] sock_map_delete_elem+0xca/0x140 [ 76.201331][ T2392] bpf_prog_d247abf228e51871+0x69/0x71 [ 76.206797][ T2392] bpf_trace_run2+0x206/0x420 [ 76.211489][ T2392] ? bpf_trace_run2+0x114/0x420 [ 76.216371][ T2392] ? __pfx_bpf_trace_run2+0x10/0x10 [ 76.221576][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.226437][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.231298][ T2392] kthread_insert_work+0x3f4/0x460 [ 76.236425][ T2392] kthread_queue_work+0xff/0x180 [ 76.241376][ T2392] synchronize_rcu_expedited+0x593/0x820 [ 76.247022][ T2392] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 76.253189][ T2392] ? __pfx_validate_chain+0x10/0x10 [ 76.258396][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.263258][ T2392] ? mark_lock+0x9a/0x350 [ 76.267597][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.272454][ T2392] ? __lock_acquire+0x1346/0x1fd0 [ 76.277485][ T2392] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 76.282781][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.287642][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.292502][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.297363][ T2392] ? __pfx___might_resched+0x10/0x10 [ 76.302662][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.307524][ T2392] synchronize_rcu+0x136/0x3e0 [ 76.312298][ T2392] ? __pfx_synchronize_rcu+0x10/0x10 [ 76.317599][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.322461][ T2392] ? __pfx_lock_acquire+0x10/0x10 [ 76.327488][ T2392] ? srso_return_thunk+0x5/0x5f [ 76.332348][ T2392] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 76.338333][ T2392] sock_map_free+0x29/0x3e0 [ 76.342853][ T2392] bpf_map_free_deferred+0xe8/0x110 [ 76.348064][ T2392] ? process_scheduled_works+0x91b/0x1770 [ 76.353792][ T2392] process_scheduled_works+0xa02/0x1770 [ 76.359364][ T2392] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.365368][ T2392] ? assign_work+0x364/0x3d0 [ 76.369973][ T2392] worker_thread+0x86d/0xd70 [ 76.374583][ T2392] ? __kthread_parkme+0x169/0x1d0 [ 76.379619][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 76.384736][ T2392] kthread+0x2f2/0x390 [ 76.388816][ T2392] ? __pfx_worker_thread+0x10/0x10 [ 76.393935][ T2392] ? __pfx_kthread+0x10/0x10 [ 76.398534][ T2392] ret_from_fork+0x4d/0x80 [ 76.402967][ T2392] ? __pfx_kthread+0x10/0x10 [ 76.407568][ T2392] ret_from_fork_asm+0x1a/0x30 [ 76.412359][ T2392] [ 76.415602][ T2392] Kernel Offset: disabled [ 76.419918][ T2392] Rebooting in 86400 seconds..