===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 5.15.153-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.4/6220 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff88802479c5c0 (&stab->lock){+...}-{2:2}, at: __sock_map_delete net/core/sock_map.c:416 [inline] ffff88802479c5c0 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 and this task is already holding: ffff88802466a5b8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 which would create a new lock dependency: (&trie->lock){....}-{2:2} -> (&stab->lock){+...}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&rq->__lock){-.-.}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 _raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368 raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475 raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] rq_lock kernel/sched/sched.h:1621 [inline] scheduler_tick+0x97/0x500 kernel/sched/core.c:5296 update_process_times+0x1ca/0x200 kernel/time/timer.c:1793 tick_periodic+0x197/0x210 kernel/time/tick-common.c:100 tick_handle_periodic+0x46/0x150 kernel/time/tick-common.c:112 timer_interrupt+0x4d/0x60 arch/x86/kernel/time.c:57 __handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213 handle_level_irq+0x3ab/0x6c0 kernel/irq/chip.c:653 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 __setup_irq+0x1302/0x1d90 kernel/irq/manage.c:1817 request_threaded_irq+0x2a7/0x380 kernel/irq/manage.c:2206 request_irq include/linux/interrupt.h:168 [inline] setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70 x86_late_time_init+0x51/0x86 arch/x86/kernel/time.c:94 start_kernel+0x40a/0x535 init/main.c:1101 secondary_startup_64_no_verify+0xb1/0xbb to a HARDIRQ-irq-unsafe lock: (&stab->lock){+...}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x108 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5443 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 do_anonymous_page mm/memory.c:3808 [inline] handle_pte_fault mm/memory.c:4619 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x2f49/0x5950 mm/memory.c:4854 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x271/0x740 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 __put_user_nocheck_4+0x3/0x11 __sys_socketpair+0x182/0x700 net/socket.c:1624 __do_sys_socketpair net/socket.c:1690 [inline] __se_sys_socketpair net/socket.c:1687 [inline] __x64_sys_socketpair+0x97/0xb0 net/socket.c:1687 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb other info that might help us debug this: Chain exists of: &rq->__lock --> &trie->lock --> &stab->lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(&rq->__lock); lock(&trie->lock); lock(&rq->__lock); *** DEADLOCK *** 3 locks held by syz-executor.4/6220: #0: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 #1: ffff88802466a5b8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 #2: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&rq->__lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 _raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368 raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475 raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] rq_lock kernel/sched/sched.h:1621 [inline] scheduler_tick+0x97/0x500 kernel/sched/core.c:5296 update_process_times+0x1ca/0x200 kernel/time/timer.c:1793 tick_periodic+0x197/0x210 kernel/time/tick-common.c:100 tick_handle_periodic+0x46/0x150 kernel/time/tick-common.c:112 timer_interrupt+0x4d/0x60 arch/x86/kernel/time.c:57 __handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213 handle_level_irq+0x3ab/0x6c0 kernel/irq/chip.c:653 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 __setup_irq+0x1302/0x1d90 kernel/irq/manage.c:1817 request_threaded_irq+0x2a7/0x380 kernel/irq/manage.c:2206 request_irq include/linux/interrupt.h:168 [inline] setup_default_timer_irq+0x1f/0x30 arch/x86/kernel/time.c:70 x86_late_time_init+0x51/0x86 arch/x86/kernel/time.c:94 start_kernel+0x40a/0x535 init/main.c:1101 secondary_startup_64_no_verify+0xb1/0xbb IN-SOFTIRQ-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 _raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368 raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475 raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] rq_lock kernel/sched/sched.h:1621 [inline] ttwu_queue kernel/sched/core.c:3821 [inline] try_to_wake_up+0x6dd/0x1300 kernel/sched/core.c:4146 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] default_idle+0xb/0x10 arch/x86/kernel/process.c:717 default_idle_call+0x81/0xc0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x271/0x670 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x48c/0x535 init/main.c:1138 secondary_startup_64_no_verify+0xb1/0xbb INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 _raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368 raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475 raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] _raw_spin_rq_lock_irqsave kernel/sched/sched.h:1345 [inline] rq_attach_root+0xec/0x440 kernel/sched/topology.c:470 sched_init+0x6a4/0xbdd kernel/sched/core.c:9502 start_kernel+0x1b6/0x535 init/main.c:1007 secondary_startup_64_no_verify+0xb1/0xbb } ... key at: [] sched_init.__key+0x0/0x20 -> (&trie->lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 0xffffffffa002ac5e bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run1+0x168/0x2f0 kernel/trace/bpf_trace.c:1916 trace_mm_lru_insertion include/trace/events/pagemap.h:28 [inline] __pagevec_lru_add_fn mm/swap.c:1035 [inline] __pagevec_lru_add+0x148c/0x18d0 mm/swap.c:1052 lru_cache_add+0x556/0x7e0 mm/swap.c:453 add_to_page_cache_lru+0x335/0x560 mm/filemap.c:1000 pagecache_get_page+0xbe0/0x1010 mm/filemap.c:1951 grab_cache_page_write_begin+0x57/0x90 mm/filemap.c:3739 ext4_da_write_begin+0x599/0xb60 fs/ext4/inode.c:2980 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785 ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268 ext4_file_write_iter+0x87c/0x1990 call_write_iter include/linux/fs.h:2148 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xacf/0xe50 fs/read_write.c:594 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb } ... key at: [] trie_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 0xffffffffa0028d5e bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918 __traceiter_sched_switch+0x7d/0xb0 include/trace/events/sched.h:220 trace_sched_switch include/trace/events/sched.h:220 [inline] __schedule+0x1e8d/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue_me+0x25b/0x480 kernel/futex/core.c:2863 futex_wait+0x2f8/0x740 kernel/futex/core.c:2964 do_futex+0x1414/0x1810 kernel/futex/core.c:3982 __do_sys_futex kernel/futex/core.c:4059 [inline] __se_sys_futex+0x407/0x490 kernel/futex/core.c:4040 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+...}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x108 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5443 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 do_anonymous_page mm/memory.c:3808 [inline] handle_pte_fault mm/memory.c:4619 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x2f49/0x5950 mm/memory.c:4854 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x271/0x740 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 __put_user_nocheck_4+0x3/0x11 __sys_socketpair+0x182/0x700 net/socket.c:1624 __do_sys_socketpair net/socket.c:1690 [inline] __se_sys_socketpair net/socket.c:1687 [inline] __x64_sys_socketpair+0x97/0xb0 net/socket.c:1687 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x108 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5443 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 do_anonymous_page mm/memory.c:3808 [inline] handle_pte_fault mm/memory.c:4619 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x2f49/0x5950 mm/memory.c:4854 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x271/0x740 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 __put_user_nocheck_4+0x3/0x11 __sys_socketpair+0x182/0x700 net/socket.c:1624 __do_sys_socketpair net/socket.c:1690 [inline] __se_sys_socketpair net/socket.c:1687 [inline] __x64_sys_socketpair+0x97/0xb0 net/socket.c:1687 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb } ... key at: [] sock_map_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x108 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5443 __alloc_pages_node include/linux/gfp.h:570 [inline] alloc_pages_node include/linux/gfp.h:584 [inline] kmalloc_large_node+0x7c/0x180 mm/slub.c:4421 __kmalloc_node+0x22d/0x390 mm/slub.c:4437 kmalloc_node include/linux/slab.h:614 [inline] bpf_map_kmalloc_node+0xdb/0x160 kernel/bpf/syscall.c:430 lpm_trie_node_alloc kernel/bpf/lpm_trie.c:290 [inline] trie_update_elem+0x1cb/0xc00 kernel/bpf/lpm_trie.c:332 bpf_map_update_value+0x5d7/0x6c0 kernel/bpf/syscall.c:221 map_update_elem+0x6a0/0x7c0 kernel/bpf/syscall.c:1185 __sys_bpf+0x2fd/0x670 kernel/bpf/syscall.c:4639 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb stack backtrace: CPU: 1 PID: 6220 Comm: syz-executor.4 Not tainted 5.15.153-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2567 [inline] check_irq_usage kernel/locking/lockdep.c:2806 [inline] check_prev_add kernel/locking/lockdep.c:3057 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x4d01/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x108 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1919 __bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline] __alloc_pages+0x6e0/0x700 mm/page_alloc.c:5443 __alloc_pages_node include/linux/gfp.h:570 [inline] alloc_pages_node include/linux/gfp.h:584 [inline] kmalloc_large_node+0x7c/0x180 mm/slub.c:4421 __kmalloc_node+0x22d/0x390 mm/slub.c:4437 kmalloc_node include/linux/slab.h:614 [inline] bpf_map_kmalloc_node+0xdb/0x160 kernel/bpf/syscall.c:430 lpm_trie_node_alloc kernel/bpf/lpm_trie.c:290 [inline] trie_update_elem+0x1cb/0xc00 kernel/bpf/lpm_trie.c:332 bpf_map_update_value+0x5d7/0x6c0 kernel/bpf/syscall.c:221 map_update_elem+0x6a0/0x7c0 kernel/bpf/syscall.c:1185 __sys_bpf+0x2fd/0x670 kernel/bpf/syscall.c:4639 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f761c4d8e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f761aa4b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f761c606f80 RCX: 00007f761c4d8e69 RDX: 0000000000000020 RSI: 0000000020000200 RDI: 0000000000000002 RBP: 00007f761c52547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f761c606f80 R15: 00007fff1b1673c8 ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 6220 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 6220 Comm: syz-executor.4 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: 24 48 c7 c7 a0 d1 89 8a e8 6c d1 fe ff 80 3d fc 56 b4 03 00 74 01 c3 c6 05 f2 56 b4 03 01 48 c7 c7 80 0c 8b 8a e8 13 ec 2f f7 <0f> 0b c3 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 RSP: 0018:ffffc90002e67b58 EFLAGS: 00010246 RAX: 8537b27dd4ae3300 RBX: 1ffff920005ccf70 RCX: 0000000000040000 RDX: ffffc9000eb90000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90002e67be8 R08: ffffffff8166661c R09: fffff520005ccead R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920005ccf6c R14: ffffc90002e67b80 R15: 0000000000000246 FS: 00007f761aa4b6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000076717000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x118/0x130 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] trie_update_elem+0x284/0xc00 kernel/bpf/lpm_trie.c:430 bpf_map_update_value+0x5d7/0x6c0 kernel/bpf/syscall.c:221 map_update_elem+0x6a0/0x7c0 kernel/bpf/syscall.c:1185 __sys_bpf+0x2fd/0x670 kernel/bpf/syscall.c:4639 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f761c4d8e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f761aa4b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f761c606f80 RCX: 00007f761c4d8e69 RDX: 0000000000000020 RSI: 0000000020000200 RDI: 0000000000000002 RBP: 00007f761c52547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f761c606f80 R15: 00007fff1b1673c8