./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3607432468 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("./syz-executor3607432468", ["./syz-executor3607432468"], 0x7ffeb88f9450 /* 10 vars */) = 0 brk(NULL) = 0x5555671a8000 brk(0x5555671a8d00) = 0x5555671a8d00 arch_prctl(ARCH_SET_FS, 0x5555671a8380) = 0 set_tid_address(0x5555671a8650) = 5066 set_robust_list(0x5555671a8660, 24) = 0 rseq(0x5555671a8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3607432468", 4096) = 28 getrandom("\x33\x82\x1c\xf1\xc7\x0e\x6a\x04", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555671a8d00 brk(0x5555671c9d00) = 0x5555671c9d00 brk(0x5555671ca000) = 0x5555671ca000 mprotect(0x7f117f217000, 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, child_tidptr=0x5555671a8650) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5067] set_robust_list(0x5555671a8660, 24) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=4, 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 5067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, 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) = -1 EFAULT (Bad address) [pid 5067] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", 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) = 4 [ 73.558957][ T16] ------------[ cut here ]------------ [ 73.559185][ T16] [ 73.559189][ T16] ====================================================== [ 73.559194][ T16] WARNING: possible circular locking dependency detected [ 73.559198][ T16] 6.8.0-syzkaller-05236-g443574b03387 #0 Not tainted [ 73.559206][ T16] ------------------------------------------------------ [ 73.559210][ T16] rcu_preempt/16 is trying to acquire lock: [ 73.559216][ T16] ffffffff8e125be0 (console_owner){....}-{0:0}, at: console_flush_all+0x14a/0xec0 [ 73.559275][ T16] [ 73.559275][ T16] but task is already holding lock: [ 73.559278][ T16] ffff8880b952a758 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x112/0x240 [ 73.559315][ T16] [ 73.559315][ T16] which lock already depends on the new lock. [ 73.559315][ T16] [ 73.559319][ T16] [ 73.559319][ T16] the existing dependency chain (in reverse order) is: [ 73.559323][ T16] [ 73.559323][ T16] -> #4 (&base->lock){-.-.}-{2:2}: [ 73.559339][ T16] lock_acquire+0x1e4/0x530 [ 73.559352][ T16] _raw_spin_lock_irqsave+0xd5/0x120 [ 73.559371][ T16] lock_timer_base+0x112/0x240 [ 73.559390][ T16] __mod_timer+0x1ca/0xeb0 [ 73.559408][ T16] worker_enter_idle+0x31d/0x4d0 [ 73.559420][ T16] create_worker+0x612/0x8b0 [ 73.559438][ T16] worker_thread+0x317/0xd70 [ 73.559451][ T16] kthread+0x2f0/0x390 [ 73.559465][ T16] ret_from_fork+0x4b/0x80 [ 73.559485][ T16] ret_from_fork_asm+0x1a/0x30 [ 73.559505][ T16] [ 73.559505][ T16] -> #3 (&pool->lock){-.-.}-{2:2}: [ 73.559523][ T16] lock_acquire+0x1e4/0x530 [ 73.559535][ T16] _raw_spin_lock+0x2e/0x40 [ 73.559549][ T16] __queue_work+0x6ec/0xec0 [ 73.559562][ T16] queue_work_on+0x14f/0x250 [ 73.559576][ T16] rpm_suspend+0x11bd/0x1c10 [ 73.559598][ T16] __pm_runtime_idle+0x131/0x1a0 [ 73.559614][ T16] __device_attach+0x3e5/0x520 [ 73.559633][ T16] bus_probe_device+0x189/0x260 [ 73.559647][ T16] device_add+0x8ff/0xca0 [ 73.559664][ T16] serial_base_port_add+0x2b6/0x3f0 [ 73.559679][ T16] serial_core_register_port+0x393/0x1e30 [ 73.559699][ T16] serial8250_register_8250_port+0x1433/0x1cd0 [ 73.559717][ T16] serial_pnp_probe+0x7d5/0xa20 [ 73.559734][ T16] pnp_device_probe+0x2ba/0x460 [ 73.559752][ T16] really_probe+0x29e/0xc50 [ 73.559771][ T16] __driver_probe_device+0x1a2/0x3e0 [ 73.559791][ T16] driver_probe_device+0x50/0x430 [ 73.559811][ T16] __driver_attach+0x45f/0x710 [ 73.559830][ T16] bus_for_each_dev+0x239/0x2b0 [ 73.559844][ T16] bus_add_driver+0x347/0x620 [ 73.559858][ T16] driver_register+0x23a/0x320 [ 73.559870][ T16] serial8250_init+0x9e/0x170 [ 73.559889][ T16] do_one_initcall+0x238/0x830 [ 73.559907][ T16] do_initcall_level+0x157/0x210 [ 73.559920][ T16] do_initcalls+0x3f/0x80 [ 73.559932][ T16] kernel_init_freeable+0x435/0x5d0 [ 73.559944][ T16] kernel_init+0x1d/0x2a0 [ 73.559963][ T16] ret_from_fork+0x4b/0x80 [ 73.559982][ T16] ret_from_fork_asm+0x1a/0x30 [ 73.560000][ T16] [ 73.560000][ T16] -> #2 (&dev->power.lock){-...}-{2:2}: [ 73.560017][ T16] lock_acquire+0x1e4/0x530 [ 73.560029][ T16] _raw_spin_lock_irqsave+0xd5/0x120 [ 73.560044][ T16] __pm_runtime_resume+0x112/0x180 [ 73.560061][ T16] __uart_start+0x17a/0x3c0 [ 73.560080][ T16] uart_write+0x427/0x5c0 [ 73.560098][ T16] n_tty_write+0xd6a/0x1230 [ 73.560113][ T16] file_tty_write+0x54f/0x9b0 [ 73.560131][ T16] vfs_write+0xa84/0xcb0 [ 73.560145][ T16] ksys_write+0x1a0/0x2c0 [ 73.560158][ T16] do_syscall_64+0xfb/0x240 [ 73.560187][ T16] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 73.560207][ T16] [ 73.560207][ T16] -> #1 (&port_lock_key){-...}-{2:2}: [ 73.560224][ T16] lock_acquire+0x1e4/0x530 [ 73.560236][ T16] _raw_spin_lock_irqsave+0xd5/0x120 [ 73.560250][ T16] serial8250_console_write+0x1a8/0x1840 [ 73.560262][ T16] console_flush_all+0x80b/0xec0 [ 73.560280][ T16] console_unlock+0x13b/0x4d0 [ 73.560295][ T16] vprintk_emit+0x509/0x720 [ 73.560310][ T16] _printk+0xd5/0x120 [ 73.560323][ T16] register_console+0x70a/0xcd0 [ 73.560341][ T16] univ8250_console_init+0x49/0x50 [ 73.560360][ T16] console_init+0x198/0x680 [ 73.560372][ T16] start_kernel+0x2d3/0x500 [ 73.560383][ T16] x86_64_start_reservations+0x2a/0x30 [ 73.560399][ T16] x86_64_start_kernel+0x99/0xa0 [ 73.560415][ T16] common_startup_64+0x13e/0x147 [ 73.560429][ T16] [ 73.560429][ T16] -> #0 (console_owner){....}-{0:0}: [ 73.560446][ T16] validate_chain+0x18cb/0x58e0 [ 73.560462][ T16] __lock_acquire+0x1346/0x1fd0 [ 73.560474][ T16] lock_acquire+0x1e4/0x530 [ 73.560485][ T16] console_flush_all+0x7ba/0xec0 [ 73.560502][ T16] console_unlock+0x13b/0x4d0 [ 73.560518][ T16] vprintk_emit+0x509/0x720 [ 73.560533][ T16] _printk+0xd5/0x120 [ 73.560546][ T16] report_bug+0x346/0x500 [ 73.560565][ T16] handle_bug+0x3e/0x70 [ 73.560582][ T16] exc_invalid_op+0x1a/0x50 [ 73.560599][ T16] asm_exc_invalid_op+0x1a/0x20 [ 73.560617][ T16] __local_bh_enable_ip+0x1be/0x200 [ 73.560630][ T16] sock_map_delete_elem+0xca/0x140 [ 73.560643][ T16] bpf_prog_8a405b5ced52e191+0x4a/0x4e [ 73.560655][ T16] bpf_trace_run2+0x204/0x420 [ 73.560670][ T16] enqueue_timer+0x396/0x550 [ 73.560683][ T16] __mod_timer+0xa0e/0xeb0 [ 73.560701][ T16] schedule_timeout+0x1b9/0x310 [ 73.560714][ T16] rcu_gp_fqs_loop+0x2df/0x1370 [ 73.560734][ T16] rcu_gp_kthread+0xa7/0x3b0 [ 73.560753][ T16] kthread+0x2f0/0x390 [ 73.560768][ T16] ret_from_fork+0x4b/0x80 [ 73.560787][ T16] ret_from_fork_asm+0x1a/0x30 [ 73.560805][ T16] [ 73.560805][ T16] other info that might help us debug this: [ 73.560805][ T16] [ 73.560809][ T16] Chain exists of: [ 73.560809][ T16] console_owner --> &pool->lock --> &base->lock [ 73.560809][ T16] [ 73.560828][ T16] Possible unsafe locking scenario: [ 73.560828][ T16] [ 73.560831][ T16] CPU0 CPU1 [ 73.560834][ T16] ---- ---- [ 73.560837][ T16] lock(&base->lock); [ 73.560845][ T16] lock(&pool->lock); [ 73.560853][ T16] lock(&base->lock); [ 73.560862][ T16] lock(console_owner); [ 73.560869][ T16] [ 73.560869][ T16] *** DEADLOCK *** [ 73.560869][ T16] [ 73.560872][ T16] 4 locks held by rcu_preempt/16: [ 73.560881][ T16] #0: ffff8880b952a758 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x112/0x240 [ 73.560920][ T16] #1: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 [ 73.560952][ T16] #2: ffffffff8e00d500 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 [ 73.560984][ T16] #3: ffffffff8e00d130 (console_srcu){....}-{0:0}, at: console_flush_all+0x14a/0xec0 [ 73.561020][ T16] [ 73.561020][ T16] stack backtrace: [ 73.561024][ T16] CPU: 1 PID: 16 Comm: rcu_preempt Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 73.561038][ T16] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 73.561046][ T16] Call Trace: [ 73.561051][ T16] [ 73.561056][ T16] dump_stack_lvl+0x1e7/0x2e0 [ 73.561075][ T16] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.561099][ T16] ? print_circular_bug+0x130/0x1a0 [ 73.561119][ T16] check_noncircular+0x36a/0x4a0 [ 73.561140][ T16] ? __pfx_check_noncircular+0x10/0x10 [ 73.561159][ T16] ? lockdep_lock+0x123/0x2b0 [ 73.561188][ T16] ? add_lock_to_list+0x1de/0x2e0 [ 73.561209][ T16] validate_chain+0x18cb/0x58e0 [ 73.561240][ T16] ? __pfx_validate_chain+0x10/0x10 [ 73.561260][ T16] ? sprintf+0xda/0x120 [ 73.561284][ T16] ? vsnprintf+0x1cc3/0x1da0 [ 73.561311][ T16] ? info_print_prefix+0x204/0x310 [ 73.561337][ T16] ? mark_lock+0x9a/0x350 [ 73.561355][ T16] __lock_acquire+0x1346/0x1fd0 [ 73.561376][ T16] lock_acquire+0x1e4/0x530 [ 73.561392][ T16] ? console_flush_all+0x14a/0xec0 [ 73.561416][ T16] ? __pfx_lock_acquire+0x10/0x10 [ 73.561433][ T16] ? __pfx_lock_release+0x10/0x10 [ 73.561450][ T16] ? do_raw_spin_lock+0x14f/0x370 [ 73.561478][ T16] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.561500][ T16] ? console_flush_all+0x3d0/0xec0 [ 73.561520][ T16] ? console_flush_all+0x14a/0xec0 [ 73.561541][ T16] console_flush_all+0x7ba/0xec0 [ 73.561562][ T16] ? console_flush_all+0x14a/0xec0 [ 73.561585][ T16] ? console_flush_all+0x14a/0xec0 [ 73.561610][ T16] ? __pfx_console_flush_all+0x10/0x10 [ 73.561631][ T16] ? __pfx_lock_acquire+0x10/0x10 [ 73.561648][ T16] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 73.561667][ T16] ? validate_chain+0x15a2/0x58e0 [ 73.561688][ T16] console_unlock+0x13b/0x4d0 [ 73.561711][ T16] ? __pfx_console_unlock+0x10/0x10 [ 73.561729][ T16] ? _printk+0xd5/0x120 [ 73.561744][ T16] ? _printk+0xd5/0x120 [ 73.561760][ T16] ? __pfx___down_trylock_console_sem+0x10/0x10 [ 73.561782][ T16] ? __pfx_validate_chain+0x10/0x10 [ 73.561802][ T16] vprintk_emit+0x509/0x720 [ 73.561821][ T16] ? __pfx_vprintk_emit+0x10/0x10 [ 73.561841][ T16] ? lockdep_unlock+0x16a/0x300 [ 73.561865][ T16] _printk+0xd5/0x120 [ 73.561881][ T16] ? report_bug+0x25e/0x500 [ 73.561904][ T16] ? __pfx__printk+0x10/0x10 [ 73.561920][ T16] ? __lock_acquire+0x1346/0x1fd0 [ 73.561935][ T16] ? find_bug+0xa3/0x390 [ 73.561956][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 73.561973][ T16] report_bug+0x346/0x500 [ 73.561993][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 73.562009][ T16] handle_bug+0x3e/0x70 [ 73.562030][ T16] exc_invalid_op+0x1a/0x50 [ 73.562051][ T16] asm_exc_invalid_op+0x1a/0x20 [ 73.562072][ T16] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 73.562090][ T16] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 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 e1 86 8f 80 e1 07 80 c1 03 38 [ 73.562101][ T16] RSP: 0018:ffffc900001577e0 EFLAGS: 00010046 [ 73.562112][ T16] RAX: 0000000000000000 RBX: 1ffff9200002af00 RCX: 0000000000000001 [ 73.562121][ T16] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fa99a [ 73.562130][ T16] RBP: ffffc900001578a0 R08: ffff88802a29b1eb R09: 1ffff1100545363d [ 73.562140][ T16] R10: dffffc0000000000 R11: ffffed100545363e R12: dffffc0000000000 [ 73.562150][ T16] R13: ffff88801e27f980 R14: ffffc90000157820 R15: 0000000000000201 [ 73.562168][ T16] ? sock_map_delete_elem+0xca/0x140 [ 73.562185][ T16] ? sock_map_delete_elem+0xca/0x140 [ 73.562201][ T16] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 73.562214][ T16] ? sock_map_delete_elem+0xca/0x140 [ 73.562228][ T16] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.562250][ T16] ? __pfx___cant_migrate+0x10/0x10 [ 73.562266][ T16] ? sock_map_delete_elem+0x97/0x140 [ 73.562282][ T16] sock_map_delete_elem+0xca/0x140 [ 73.562297][ T16] bpf_prog_8a405b5ced52e191+0x4a/0x4e [ 73.562312][ T16] bpf_trace_run2+0x204/0x420 [ 73.562329][ T16] ? bpf_trace_run2+0x114/0x420 [ 73.562344][ T16] ? __pfx_bpf_trace_run2+0x10/0x10 [ 73.562361][ T16] ? __pfx_debug_object_activate+0x10/0x10 [ 73.562377][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 73.562396][ T16] enqueue_timer+0x396/0x550 [ 73.562413][ T16] __mod_timer+0xa0e/0xeb0 [ 73.562438][ T16] ? __asan_memset+0x23/0x50 [ 73.562453][ T16] ? __pfx___mod_timer+0x10/0x10 [ 73.562473][ T16] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 73.562488][ T16] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.562507][ T16] schedule_timeout+0x1b9/0x310 [ 73.562522][ T16] ? __pfx_schedule_timeout+0x10/0x10 [ 73.562537][ T16] ? __pfx_process_timeout+0x10/0x10 [ 73.562553][ T16] ? prepare_to_swait_event+0x32e/0x350 [ 73.562579][ T16] rcu_gp_fqs_loop+0x2df/0x1370 [ 73.562599][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 73.562619][ T16] ? __pfx_rcu_gp_init+0x10/0x10 [ 73.562641][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 73.562657][ T16] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 73.562677][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.562697][ T16] ? finish_swait+0xd4/0x1e0 [ 73.562721][ T16] rcu_gp_kthread+0xa7/0x3b0 [ 73.562745][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 73.562767][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.562786][ T16] ? __kthread_parkme+0x169/0x1d0 [ 73.562802][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 73.562823][ T16] kthread+0x2f0/0x390 [ 73.562839][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 73.562860][ T16] ? __pfx_kthread+0x10/0x10 [ 73.562878][ T16] ret_from_fork+0x4b/0x80 [ 73.562898][ T16] ? __pfx_kthread+0x10/0x10 [ 73.562915][ T16] ret_from_fork_asm+0x1a/0x30 [ 73.562941][ T16] [ 74.825343][ T16] WARNING: CPU: 1 PID: 16 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 [ 74.834628][ T16] Modules linked in: [ 74.838532][ T16] CPU: 1 PID: 16 Comm: rcu_preempt Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 74.848074][ T16] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 74.858118][ T16] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 74.864089][ T16] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 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 e1 86 8f 80 e1 07 80 c1 03 38 [ 74.883686][ T16] RSP: 0018:ffffc900001577e0 EFLAGS: 00010046 [ 74.889745][ T16] RAX: 0000000000000000 RBX: 1ffff9200002af00 RCX: 0000000000000001 [ 74.897715][ T16] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fa99a [ 74.905674][ T16] RBP: ffffc900001578a0 R08: ffff88802a29b1eb R09: 1ffff1100545363d [ 74.913636][ T16] R10: dffffc0000000000 R11: ffffed100545363e R12: dffffc0000000000 [ 74.921602][ T16] R13: ffff88801e27f980 R14: ffffc90000157820 R15: 0000000000000201 [ 74.929678][ T16] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 74.938625][ T16] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.945323][ T16] CR2: 0000000000000000 CR3: 0000000021c22000 CR4: 00000000003506f0 [ 74.953379][ T16] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.961371][ T16] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.969336][ T16] Call Trace: [ 74.972611][ T16] [ 74.975553][ T16] ? __warn+0x163/0x4b0 [ 74.979810][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 74.985188][ T16] ? report_bug+0x2b3/0x500 [ 74.989696][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 74.995091][ T16] ? handle_bug+0x3e/0x70 [ 74.999432][ T16] ? exc_invalid_op+0x1a/0x50 [ 75.004143][ T16] ? asm_exc_invalid_op+0x1a/0x20 [ 75.009183][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.014499][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 75.019872][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.025155][ T16] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 75.030870][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.036151][ T16] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.041350][ T16] ? __pfx___cant_migrate+0x10/0x10 [ 75.046542][ T16] ? sock_map_delete_elem+0x97/0x140 [ 75.051851][ T16] sock_map_delete_elem+0xca/0x140 [ 75.056965][ T16] bpf_prog_8a405b5ced52e191+0x4a/0x4e [ 75.062422][ T16] bpf_trace_run2+0x204/0x420 [ 75.067097][ T16] ? bpf_trace_run2+0x114/0x420 [ 75.071943][ T16] ? __pfx_bpf_trace_run2+0x10/0x10 [ 75.077135][ T16] ? __pfx_debug_object_activate+0x10/0x10 [ 75.082937][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.088140][ T16] enqueue_timer+0x396/0x550 [ 75.092729][ T16] __mod_timer+0xa0e/0xeb0 [ 75.097147][ T16] ? __asan_memset+0x23/0x50 [ 75.101734][ T16] ? __pfx___mod_timer+0x10/0x10 [ 75.106673][ T16] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 75.112495][ T16] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.118904][ T16] schedule_timeout+0x1b9/0x310 [ 75.123749][ T16] ? __pfx_schedule_timeout+0x10/0x10 [ 75.129131][ T16] ? __pfx_process_timeout+0x10/0x10 [ 75.134423][ T16] ? prepare_to_swait_event+0x32e/0x350 [ 75.139992][ T16] rcu_gp_fqs_loop+0x2df/0x1370 [ 75.144926][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.150121][ T16] ? __pfx_rcu_gp_init+0x10/0x10 [ 75.155061][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.160284][ T16] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 75.165582][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 75.171488][ T16] ? finish_swait+0xd4/0x1e0 [ 75.176088][ T16] rcu_gp_kthread+0xa7/0x3b0 [ 75.180700][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.185900][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 75.191793][ T16] ? __kthread_parkme+0x169/0x1d0 [ 75.196824][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.202024][ T16] kthread+0x2f0/0x390 [ 75.206092][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.211291][ T16] ? __pfx_kthread+0x10/0x10 [ 75.215879][ T16] ret_from_fork+0x4b/0x80 [ 75.220298][ T16] ? __pfx_kthread+0x10/0x10 [ 75.224996][ T16] ret_from_fork_asm+0x1a/0x30 [ 75.229764][ T16] [ 75.232777][ T16] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.240146][ T16] CPU: 1 PID: 16 Comm: rcu_preempt Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 [ 75.249764][ T16] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 75.259908][ T16] Call Trace: [ 75.263178][ T16] [ 75.266099][ T16] dump_stack_lvl+0x1e7/0x2e0 [ 75.270773][ T16] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.275970][ T16] ? __pfx__printk+0x10/0x10 [ 75.280572][ T16] ? vscnprintf+0x5d/0x90 [ 75.284904][ T16] panic+0x349/0x860 [ 75.288796][ T16] ? __warn+0x172/0x4b0 [ 75.292965][ T16] ? __pfx_panic+0x10/0x10 [ 75.297389][ T16] ? ret_from_fork_asm+0x1a/0x30 [ 75.302342][ T16] __warn+0x31e/0x4b0 [ 75.306334][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 75.311698][ T16] report_bug+0x2b3/0x500 [ 75.316040][ T16] ? __local_bh_enable_ip+0x1be/0x200 [ 75.321406][ T16] handle_bug+0x3e/0x70 [ 75.325559][ T16] exc_invalid_op+0x1a/0x50 [ 75.330151][ T16] asm_exc_invalid_op+0x1a/0x20 [ 75.335063][ T16] RIP: 0010:__local_bh_enable_ip+0x1be/0x200 [ 75.341140][ T16] Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 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 e1 86 8f 80 e1 07 80 c1 03 38 [ 75.360736][ T16] RSP: 0018:ffffc900001577e0 EFLAGS: 00010046 [ 75.366799][ T16] RAX: 0000000000000000 RBX: 1ffff9200002af00 RCX: 0000000000000001 [ 75.374776][ T16] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fa99a [ 75.382740][ T16] RBP: ffffc900001578a0 R08: ffff88802a29b1eb R09: 1ffff1100545363d [ 75.390719][ T16] R10: dffffc0000000000 R11: ffffed100545363e R12: dffffc0000000000 [ 75.398684][ T16] R13: ffff88801e27f980 R14: ffffc90000157820 R15: 0000000000000201 [ 75.406653][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.411943][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.417235][ T16] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 75.422954][ T16] ? sock_map_delete_elem+0xca/0x140 [ 75.428235][ T16] ? do_raw_spin_unlock+0x13c/0x8b0 [ 75.433433][ T16] ? __pfx___cant_migrate+0x10/0x10 [ 75.438625][ T16] ? sock_map_delete_elem+0x97/0x140 [ 75.443913][ T16] sock_map_delete_elem+0xca/0x140 [ 75.449019][ T16] bpf_prog_8a405b5ced52e191+0x4a/0x4e [ 75.454470][ T16] bpf_trace_run2+0x204/0x420 [ 75.459169][ T16] ? bpf_trace_run2+0x114/0x420 [ 75.464014][ T16] ? __pfx_bpf_trace_run2+0x10/0x10 [ 75.469205][ T16] ? __pfx_debug_object_activate+0x10/0x10 [ 75.475005][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.480196][ T16] enqueue_timer+0x396/0x550 [ 75.484799][ T16] __mod_timer+0xa0e/0xeb0 [ 75.489220][ T16] ? __asan_memset+0x23/0x50 [ 75.493808][ T16] ? __pfx___mod_timer+0x10/0x10 [ 75.498755][ T16] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 75.504550][ T16] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.510868][ T16] schedule_timeout+0x1b9/0x310 [ 75.515707][ T16] ? __pfx_schedule_timeout+0x10/0x10 [ 75.521088][ T16] ? __pfx_process_timeout+0x10/0x10 [ 75.526453][ T16] ? prepare_to_swait_event+0x32e/0x350 [ 75.532108][ T16] rcu_gp_fqs_loop+0x2df/0x1370 [ 75.536962][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.542157][ T16] ? __pfx_rcu_gp_init+0x10/0x10 [ 75.547095][ T16] ? lockdep_hardirqs_on+0x99/0x150 [ 75.552310][ T16] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 75.557609][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 75.563611][ T16] ? finish_swait+0xd4/0x1e0 [ 75.568257][ T16] rcu_gp_kthread+0xa7/0x3b0 [ 75.572858][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.578065][ T16] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 75.584325][ T16] ? __kthread_parkme+0x169/0x1d0 [ 75.589354][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.594558][ T16] kthread+0x2f0/0x390 [ 75.598628][ T16] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 75.603845][ T16] ? __pfx_kthread+0x10/0x10 [ 75.608451][ T16] ret_from_fork+0x4b/0x80 [ 75.612879][ T16] ? __pfx_kthread+0x10/0x10 [ 75.617475][ T16] ret_from_fork_asm+0x1a/0x30 [ 75.622313][ T16] [ 75.625700][ T16] Kernel Offset: disabled [ 75.630026][ T16] Rebooting in 86400 seconds..