===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Not tainted ----------------------------------------------------- syz-executor.2/10663 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff88802af5ba00 (&stab->lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff88802af5ba00 (&stab->lock){+.-.}-{2:2}, at: __sock_map_delete net/core/sock_map.c:414 [inline] ffff88802af5ba00 (&stab->lock){+.-.}-{2:2}, at: sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 and this task is already holding: ffff888016eee120 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 kernel/kthread.c:1019 which would create a new lock dependency: ((worker)->lock){....}-{2:2} -> (&stab->lock){+.-.}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&pool->lock){-.-.}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 wq_worker_tick+0x207/0x440 kernel/workqueue.c:1501 scheduler_tick+0x375/0x6e0 kernel/sched/core.c:5699 update_process_times+0x202/0x230 kernel/time/timer.c:2481 tick_periodic+0x190/0x220 kernel/time/tick-common.c:100 tick_handle_periodic+0x4a/0x160 kernel/time/tick-common.c:112 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 save_stack+0x15/0x1f0 mm/page_owner.c:113 __set_page_owner+0x29/0x380 mm/page_owner.c:195 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311 __alloc_pages+0x256/0x680 mm/page_alloc.c:4569 alloc_pages_mpol+0x3de/0x650 mm/mempolicy.c:2133 vm_area_alloc_pages mm/vmalloc.c:3135 [inline] __vmalloc_area_node mm/vmalloc.c:3211 [inline] __vmalloc_node_range+0x9a4/0x14a0 mm/vmalloc.c:3392 __vmalloc_node mm/vmalloc.c:3457 [inline] __vmalloc+0x79/0x90 mm/vmalloc.c:3471 pcpu_mem_zalloc mm/percpu.c:512 [inline] pcpu_alloc_chunk mm/percpu.c:1469 [inline] pcpu_create_chunk+0x31e/0xbc0 mm/percpu-vm.c:338 pcpu_balance_populated mm/percpu.c:2101 [inline] pcpu_balance_workfn+0xc4d/0xd40 mm/percpu.c:2238 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 to a HARDIRQ-irq-unsafe lock: (&stab->lock){+.-.}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000d2d bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x291/0x380 mm/slub.c:4396 tomoyo_realpath_from_path+0xc2/0x5e0 security/tomoyo/realpath.c:250 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x23a/0x880 security/tomoyo/file.c:723 tomoyo_path_mknod+0x176/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0xf8/0x150 security/security.c:1800 may_o_create fs/namei.c:3320 [inline] lookup_open fs/namei.c:3461 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0xc7c/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 other info that might help us debug this: Chain exists of: &pool->lock --> (worker)->lock --> &stab->lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(&pool->lock); lock((worker)->lock); lock(&pool->lock); *** DEADLOCK *** 4 locks held by syz-executor.2/10663: #0: ffffffff8e17cf88 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_unregister+0x32/0x990 kernel/tracepoint.c:548 #1: ffffffff8e136cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #1: ffffffff8e136cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x39a/0x820 kernel/rcu/tree_exp.h:939 #2: ffff888016eee120 ((worker)->lock){....}-{2:2}, at: kthread_queue_work+0x27/0x180 kernel/kthread.c:1019 #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 kernel/trace/bpf_trace.c:2420 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&pool->lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 wq_worker_tick+0x207/0x440 kernel/workqueue.c:1501 scheduler_tick+0x375/0x6e0 kernel/sched/core.c:5699 update_process_times+0x202/0x230 kernel/time/timer.c:2481 tick_periodic+0x190/0x220 kernel/time/tick-common.c:100 tick_handle_periodic+0x4a/0x160 kernel/time/tick-common.c:112 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x107/0x3a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 save_stack+0x15/0x1f0 mm/page_owner.c:113 __set_page_owner+0x29/0x380 mm/page_owner.c:195 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311 __alloc_pages+0x256/0x680 mm/page_alloc.c:4569 alloc_pages_mpol+0x3de/0x650 mm/mempolicy.c:2133 vm_area_alloc_pages mm/vmalloc.c:3135 [inline] __vmalloc_area_node mm/vmalloc.c:3211 [inline] __vmalloc_node_range+0x9a4/0x14a0 mm/vmalloc.c:3392 __vmalloc_node mm/vmalloc.c:3457 [inline] __vmalloc+0x79/0x90 mm/vmalloc.c:3471 pcpu_mem_zalloc mm/percpu.c:512 [inline] pcpu_alloc_chunk mm/percpu.c:1469 [inline] pcpu_create_chunk+0x31e/0xbc0 mm/percpu-vm.c:338 pcpu_balance_populated mm/percpu.c:2101 [inline] pcpu_balance_workfn+0xc4d/0xd40 mm/percpu.c:2238 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 IN-SOFTIRQ-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x6ec/0xec0 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1838 [inline] __run_timers kernel/time/timer.c:2408 [inline] __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2419 run_timer_base kernel/time/timer.c:2428 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:742 default_idle_call+0x74/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x22f/0x5d0 kernel/sched/idle.c:332 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430 rest_init+0x2e0/0x300 init/main.c:730 arch_call_rest_init+0xe/0x10 init/main.c:831 start_kernel+0x47a/0x500 init/main.c:1077 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x147 INITIAL USE at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x6ec/0xec0 queue_work_on+0x14f/0x250 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] start_poll_synchronize_rcu_expedited+0xf7/0x150 kernel/rcu/tree_exp.h:1017 rcu_init+0xea/0x140 kernel/rcu/tree.c:5240 start_kernel+0x1f7/0x500 init/main.c:969 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x147 } ... key at: [] init_worker_pool.__key+0x0/0x20 -> ((worker)->lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170 kthread_worker_fn+0x236/0xab0 kernel/kthread.c:828 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 } ... key at: [] __kthread_create_worker.__key+0x0/0x20 ... acquired at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 kthread_queue_work+0x27/0x180 kernel/kthread.c:1019 put_pwq kernel/workqueue.c:1642 [inline] put_pwq_unlocked+0x12a/0x190 kernel/workqueue.c:1659 apply_wqattrs_cleanup kernel/workqueue.c:5098 [inline] apply_workqueue_attrs_locked+0x132/0x210 kernel/workqueue.c:5219 apply_workqueue_attrs+0x30/0x50 kernel/workqueue.c:5249 padata_setup_cpumasks kernel/padata.c:435 [inline] padata_alloc+0x22b/0x370 kernel/padata.c:1014 pcrypt_init_padata+0x27/0x100 crypto/pcrypt.c:327 pcrypt_init+0x65/0xe0 crypto/pcrypt.c:352 do_one_initcall+0x238/0x830 init/main.c:1241 do_initcall_level+0x157/0x210 init/main.c:1303 do_initcalls+0x3f/0x80 init/main.c:1319 kernel_init_freeable+0x435/0x5d0 init/main.c:1557 kernel_init+0x1d/0x2a0 init/main.c:1446 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000d2d bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x291/0x380 mm/slub.c:4396 tomoyo_realpath_from_path+0xc2/0x5e0 security/tomoyo/realpath.c:250 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x23a/0x880 security/tomoyo/file.c:723 tomoyo_path_mknod+0x176/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0xf8/0x150 security/security.c:1800 may_o_create fs/namei.c:3320 [inline] lookup_open fs/namei.c:3461 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0xc7c/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 IN-SOFTIRQ-W at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000d2d bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x291/0x380 mm/slub.c:4396 ref_tracker_free+0x4ef/0x7e0 lib/ref_tracker.c:272 netdev_tracker_free include/linux/netdevice.h:4084 [inline] netdev_put include/linux/netdevice.h:4101 [inline] neigh_destroy+0x31e/0x580 net/core/neighbour.c:912 neigh_del net/core/neighbour.c:225 [inline] neigh_remove_one+0x5cd/0x6e0 net/core/neighbour.c:246 neigh_forced_gc net/core/neighbour.c:279 [inline] neigh_alloc net/core/neighbour.c:485 [inline] ___neigh_create+0x43c/0x2450 net/core/neighbour.c:648 ip6_finish_output2+0x1629/0x1670 net/ipv6/ip6_output.c:128 ip6_finish_output+0x41e/0x810 net/ipv6/ip6_output.c:222 NF_HOOK include/linux/netfilter.h:314 [inline] ndisc_send_skb+0xab0/0x1380 net/ipv6/ndisc.c:509 addrconf_rs_timer+0x36e/0x660 net/ipv6/addrconf.c:4037 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1843 [inline] __run_timers kernel/time/timer.c:2408 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2419 run_timer_base kernel/time/timer.c:2428 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 orc_find arch/x86/kernel/unwind_orc.c:202 [inline] unwind_next_frame+0x1b3/0x2a00 arch/x86/kernel/unwind_orc.c:494 __unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x1d9/0x360 mm/slub.c:4012 kmalloc include/linux/slab.h:590 [inline] kzalloc include/linux/slab.h:711 [inline] copy_verifier_state+0xa3d/0xf30 kernel/bpf/verifier.c:1446 is_state_visited kernel/bpf/verifier.c:17435 [inline] do_check+0x4327/0x10500 kernel/bpf/verifier.c:17597 do_check_common+0x14bd/0x1dd0 kernel/bpf/verifier.c:20492 do_check_main kernel/bpf/verifier.c:20583 [inline] bpf_check+0x136ab/0x19010 kernel/bpf/verifier.c:21253 bpf_prog_load+0x1667/0x20f0 kernel/bpf/syscall.c:2895 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5631 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5736 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 INITIAL USE at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 0xffffffffa0000d2d bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x291/0x380 mm/slub.c:4396 tomoyo_realpath_from_path+0xc2/0x5e0 security/tomoyo/realpath.c:250 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x23a/0x880 security/tomoyo/file.c:723 tomoyo_path_mknod+0x176/0x1b0 security/tomoyo/tomoyo.c:252 security_path_mknod+0xf8/0x150 security/security.c:1800 may_o_create fs/namei.c:3320 [inline] lookup_open fs/namei.c:3461 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0xc7c/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 } ... key at: [] sock_map_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 bpf_prog_d84217c3a271e07a+0x6c/0x70 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_sched_kthread_work_queue_work include/trace/events/sched.h:64 [inline] kthread_insert_work+0x3f4/0x460 kernel/kthread.c:993 kthread_queue_work+0xff/0x180 kernel/kthread.c:1021 synchronize_rcu_expedited_queue_work kernel/rcu/tree_exp.h:469 [inline] synchronize_rcu_expedited+0x593/0x820 kernel/rcu/tree_exp.h:949 synchronize_rcu+0x136/0x3e0 kernel/rcu/tree.c:3611 tp_rcu_cond_sync kernel/tracepoint.c:63 [inline] tracepoint_remove_func kernel/tracepoint.c:439 [inline] tracepoint_probe_unregister+0x7fb/0x990 kernel/tracepoint.c:551 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3482 bpf_link_free kernel/bpf/syscall.c:3033 [inline] bpf_link_put_direct+0x123/0x1b0 kernel/bpf/syscall.c:3064 bpf_link_release+0x3b/0x50 kernel/bpf/syscall.c:3071 __fput+0x429/0x8a0 fs/file_table.c:423 __do_sys_close fs/open.c:1557 [inline] __se_sys_close fs/open.c:1542 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1542 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 stack backtrace: CPU: 1 PID: 10663 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2626 [inline] check_irq_usage kernel/locking/lockdep.c:2865 [inline] check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x4dc7/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0x97/0x140 net/core/sock_map.c:446 bpf_prog_d84217c3a271e07a+0x6c/0x70 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_sched_kthread_work_queue_work include/trace/events/sched.h:64 [inline] kthread_insert_work+0x3f4/0x460 kernel/kthread.c:993 kthread_queue_work+0xff/0x180 kernel/kthread.c:1021 synchronize_rcu_expedited_queue_work kernel/rcu/tree_exp.h:469 [inline] synchronize_rcu_expedited+0x593/0x820 kernel/rcu/tree_exp.h:949 synchronize_rcu+0x136/0x3e0 kernel/rcu/tree.c:3611 tp_rcu_cond_sync kernel/tracepoint.c:63 [inline] tracepoint_remove_func kernel/tracepoint.c:439 [inline] tracepoint_probe_unregister+0x7fb/0x990 kernel/tracepoint.c:551 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3482 bpf_link_free kernel/bpf/syscall.c:3033 [inline] bpf_link_put_direct+0x123/0x1b0 kernel/bpf/syscall.c:3064 bpf_link_release+0x3b/0x50 kernel/bpf/syscall.c:3071 __fput+0x429/0x8a0 fs/file_table.c:423 __do_sys_close fs/open.c:1557 [inline] __se_sys_close fs/open.c:1542 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1542 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f7f87e7cd9a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffc33d93950 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7f87e7cd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f7f87fad980 R08: 00007f7f87e00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000003523a R13: 0000000000035014 R14: 00007ffc33d93b10 R15: 00007f7f87e34cb0 ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 10663 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x29/0x40 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 10663 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:warn_bogus_irq_restore+0x29/0x40 kernel/locking/irqflag-debug.c:10 Code: 90 f3 0f 1e fa 90 80 3d de 69 01 04 00 74 06 90 c3 cc cc cc cc c6 05 cf 69 01 04 01 90 48 c7 c7 20 ba aa 8b e8 f8 e5 e7 f5 90 <0f> 0b 90 90 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffffc900058ef878 EFLAGS: 00010246 RAX: 686a7e5a06c81b00 RBX: 1ffff92000b1df14 RCX: ffff88807a1e0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900058ef910 R08: ffffffff8157cc12 R09: 1ffff92000b1de64 R10: dffffc0000000000 R11: fffff52000b1de65 R12: dffffc0000000000 R13: 1ffff92000b1df10 R14: ffffc900058ef8a0 R15: 0000000000000246 FS: 000055558e236480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd705cd56c6 CR3: 000000007cf68000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_unlock_irqrestore+0x120/0x140 kernel/locking/spinlock.c:194 kthread_queue_work+0x110/0x180 kernel/kthread.c:1024 synchronize_rcu_expedited_queue_work kernel/rcu/tree_exp.h:469 [inline] synchronize_rcu_expedited+0x593/0x820 kernel/rcu/tree_exp.h:949 synchronize_rcu+0x136/0x3e0 kernel/rcu/tree.c:3611 tp_rcu_cond_sync kernel/tracepoint.c:63 [inline] tracepoint_remove_func kernel/tracepoint.c:439 [inline] tracepoint_probe_unregister+0x7fb/0x990 kernel/tracepoint.c:551 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3482 bpf_link_free kernel/bpf/syscall.c:3033 [inline] bpf_link_put_direct+0x123/0x1b0 kernel/bpf/syscall.c:3064 bpf_link_release+0x3b/0x50 kernel/bpf/syscall.c:3071 __fput+0x429/0x8a0 fs/file_table.c:423 __do_sys_close fs/open.c:1557 [inline] __se_sys_close fs/open.c:1542 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1542 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f7f87e7cd9a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffc33d93950 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7f87e7cd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f7f87fad980 R08: 00007f7f87e00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000003523a R13: 0000000000035014 R14: 00007ffc33d93b10 R15: 00007f7f87e34cb0