================================ WARNING: inconsistent lock state 6.9.0-rc7-syzkaller-00056-g45db3ab70092 #0 Not tainted -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. syz-executor.3/5657 [HC1[1]:SC0[0]:HE0:SE1] takes: ffff8880b95387e8 (lock#10){?.+.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ffff8880b95387e8 (lock#10){?.+.}-{2:2}, at: __mmap_lock_do_trace_acquire_returned+0x8b/0x620 mm/mmap_lock.c:237 {HARDIRQ-ON-W} state was registered at: lock_acquire+0x1e9/0x540 kernel/locking/lockdep.c:5754 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0xa4/0x620 mm/mmap_lock.c:237 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_lock include/linux/mmap_lock.h:147 [inline] acct_collect+0x7f8/0x820 kernel/acct.c:564 do_exit+0x926/0x27c0 kernel/exit.c:857 do_group_exit+0x203/0x2b0 kernel/exit.c:1027 __do_sys_exit_group kernel/exit.c:1038 [inline] __se_sys_exit_group kernel/exit.c:1036 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1036 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x84/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e irq event stamp: 42 hardirqs last enabled at (41): [] seqcount_lockdep_reader_access+0x137/0x1e0 include/linux/seqlock.h:74 hardirqs last disabled at (42): [] sysvec_call_function_single+0xa/0xc0 arch/x86/kernel/smp.c:266 softirqs last enabled at (0): [] rcu_lock_acquire include/linux/rcupdate.h:329 [inline] softirqs last enabled at (0): [] rcu_read_lock include/linux/rcupdate.h:781 [inline] softirqs last enabled at (0): [] copy_process+0x9ff/0x3df0 kernel/fork.c:2259 softirqs last disabled at (0): [<0000000000000000>] 0x0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(lock#10); lock(lock#10); *** DEADLOCK *** 2 locks held by syz-executor.3/5657: #0: ffffffff8dd321a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8dd321a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8dd321a0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #0: ffffffff8dd321a0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x420 kernel/trace/bpf_trace.c:2420 #1: ffff888022c9ea20 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:165 [inline] #1: ffff888022c9ea20 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x233/0x9c0 kernel/bpf/stackmap.c:141 stack backtrace: CPU: 1 PID: 5657 Comm: syz-executor.3 Not tainted 6.9.0-rc7-syzkaller-00056-g45db3ab70092 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x23d/0x360 lib/dump_stack.c:114 valid_state+0x139/0x1c0 kernel/locking/lockdep.c:4013 mark_lock_irq+0xa8/0xbb0 kernel/locking/lockdep.c:4216 mark_lock+0x21f/0x350 kernel/locking/lockdep.c:4678 mark_usage kernel/locking/lockdep.c:4564 [inline] __lock_acquire+0xcdd/0x7fa0 kernel/locking/lockdep.c:5091 lock_acquire+0x1e9/0x540 kernel/locking/lockdep.c:5754 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0xa4/0x620 mm/mmap_lock.c:237 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:166 [inline] stack_map_get_build_id_offset+0x9a6/0x9c0 kernel/bpf/stackmap.c:141 __bpf_get_stack+0x4a9/0x590 kernel/bpf/stackmap.c:449 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1985 [inline] bpf_get_stack_raw_tp+0x19f/0x230 kernel/trace/bpf_trace.c:1975 bpf_prog_ec3b2eefa702d8d3+0x3a/0x3e 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+0x200/0x420 kernel/trace/bpf_trace.c:2420 __traceiter_tlb_flush+0x73/0xc0 include/trace/events/tlb.h:38 trace_tlb_flush+0x10e/0x130 include/trace/events/tlb.h:38 flush_tlb_func+0x4e3/0x620 arch/x86/mm/tlb.c:892 csd_do_func kernel/smp.c:133 [inline] __flush_smp_call_function_queue+0x3fc/0x1620 kernel/smp.c:511 __sysvec_call_function_single+0xb4/0x410 arch/x86/kernel/smp.c:271 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline] sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:266 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:709 RIP: 0010:__kernel_text_address+0x18/0x40 kernel/extable.c:79 Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 53 48 89 fb e8 47 00 00 00 85 c0 0f 95 c0 48 c7 c1 00 70 8d 90 48 39 cb <0f> 93 c1 48 c7 c2 6b 68 a6 90 48 39 d3 0f 92 c2 20 ca 08 c2 0f b6 RSP: 0018:ffffc90005846dc8 EFLAGS: 00000283 RAX: 0000000000000001 RBX: ffffffff82043367 RCX: ffffffff908d7000 RDX: ffff88802eb7da00 RSI: 0000000000000001 RDI: ffffffff82043367 RBP: 0000000000000001 R08: ffffffff81415963 R09: ffffffff8141745b R10: 0000000000000003 R11: ffff88802eb7da00 R12: ffff88802eb7da00 R13: ffffffff81819510 R14: dffffc0000000000 R15: 1ffff92000b08dc9 unwind_get_return_address+0x59/0xc0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x121/0x1a0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x114/0x1c0 kernel/stacktrace.c:122 save_stack+0xf7/0x1e0 mm/page_owner.c:156 __set_page_owner+0x89/0x810 mm/page_owner.c:325 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1d6/0x200 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0x33ba/0x3550 mm/page_alloc.c:3317 __alloc_pages+0x252/0x6a0 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x150 mm/slub.c:2180 allocate_slab mm/slub.c:2343 [inline] new_slab+0x84/0x2e0 mm/slub.c:2396 ___slab_alloc+0xcd8/0x1220 mm/slub.c:3530 __slab_alloc mm/slub.c:3615 [inline] __slab_alloc_node mm/slub.c:3668 [inline] slab_alloc_node mm/slub.c:3841 [inline] kmem_cache_alloc_node+0x23a/0x360 mm/slub.c:3894 alloc_vmap_area+0x255/0x22b0 mm/vmalloc.c:1967 __get_vm_area_node+0x16e/0x3c0 mm/vmalloc.c:3093 __vmalloc_node_range+0x3db/0x1480 mm/vmalloc.c:3778 __vmalloc_node mm/vmalloc.c:3883 [inline] __vmalloc+0x75/0x90 mm/vmalloc.c:3897 bpf_prog_alloc_no_stats+0x49/0x490 kernel/bpf/core.c:103 bpf_prog_alloc+0x37/0x1b0 kernel/bpf/core.c:144 bpf_prog_load+0x7f3/0x20e0 kernel/bpf/syscall.c:2805 __sys_bpf+0x4ea/0x810 kernel/bpf/syscall.c:5660 __do_sys_bpf kernel/bpf/syscall.c:5767 [inline] __se_sys_bpf kernel/bpf/syscall.c:5765 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5765 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x84/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f0de267dd69 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:00007f0de334e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f0de27abf80 RCX: 00007f0de267dd69 RDX: 0000000000000080 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007f0de26ca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f0de27abf80 R15: 00007ffff8ed28e8 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 53 push %rbx 13: 48 89 fb mov %rdi,%rbx 16: e8 47 00 00 00 call 0x62 1b: 85 c0 test %eax,%eax 1d: 0f 95 c0 setne %al 20: 48 c7 c1 00 70 8d 90 mov $0xffffffff908d7000,%rcx 27: 48 39 cb cmp %rcx,%rbx * 2a: 0f 93 c1 setae %cl <-- trapping instruction 2d: 48 c7 c2 6b 68 a6 90 mov $0xffffffff90a6686b,%rdx 34: 48 39 d3 cmp %rdx,%rbx 37: 0f 92 c2 setb %dl 3a: 20 ca and %cl,%dl 3c: 08 c2 or %al,%dl 3e: 0f .byte 0xf 3f: b6 .byte 0xb6