==================================================================
BUG: KASAN: slab-out-of-bounds in dev_map_enqueue+0x40/0x340 kernel/bpf/devmap.c:529
Read of size 8 at addr ffff88812ea8c700 by task syz.3.14281/24376

CPU: 0 PID: 24376 Comm: syz.3.14281 Not tainted 6.1.90-syzkaller-00122-g7fa70ede91bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:427
 kasan_report+0x13c/0x170 mm/kasan/report.c:531
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351
 dev_map_enqueue+0x40/0x340 kernel/bpf/devmap.c:529
 __xdp_do_redirect_frame net/core/filter.c:4268 [inline]
 xdp_do_redirect_frame+0x285/0x750 net/core/filter.c:4330
 xdp_test_run_batch net/bpf/test_run.c:314 [inline]
 bpf_test_run_xdp_live+0xc30/0x1f70 net/bpf/test_run.c:362
 bpf_prog_test_run_xdp+0x7d1/0x1130 net/bpf/test_run.c:1387
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3650
 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5005
 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5089 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7eff82f77299
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007eff83d8a048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007eff83105f80 RCX: 00007eff82f77299
RDX: 0000000000000050 RSI: 0000000020000240 RDI: 000000000000000a
RBP: 00007eff82fe48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007eff83105f80 R15: 00007ffcbdddd998
 </TASK>

Allocated by task 22739:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3421 [inline]
 slab_alloc mm/slub.c:3429 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3436 [inline]
 kmem_cache_alloc+0x175/0x2c0 mm/slub.c:3445
 vma_lock_alloc kernel/fork.c:468 [inline]
 vm_area_dup+0x65/0x290 kernel/fork.c:521
 dup_mmap kernel/fork.c:725 [inline]
 dup_mm kernel/fork.c:1641 [inline]
 copy_mm+0xcec/0x1b70 kernel/fork.c:1690
 copy_process+0x12b6/0x3530 kernel/fork.c:2370
 kernel_clone+0x229/0x890 kernel/fork.c:2786
 __do_sys_clone kernel/fork.c:2929 [inline]
 __se_sys_clone kernel/fork.c:2913 [inline]
 __x64_sys_clone+0x231/0x280 kernel/fork.c:2913
 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 24131:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1745 [inline]
 slab_free_freelist_hook mm/slub.c:1771 [inline]
 slab_free mm/slub.c:3684 [inline]
 kmem_cache_free+0x291/0x510 mm/slub.c:3706
 vma_lock_free kernel/fork.c:480 [inline]
 __vm_area_free+0x74/0x130 kernel/fork.c:534
 remove_vma mm/mmap.c:149 [inline]
 exit_mmap+0x547/0x940 mm/mmap.c:3358
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88812ea8c6c0
 which belongs to the cache vma_lock of size 64
The buggy address is located 0 bytes to the right of
 64-byte region [ffff88812ea8c6c0, ffff88812ea8c700)

The buggy address belongs to the physical page:
page:ffffea0004baa300 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88812ea8c720 pfn:0x12ea8c
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea00045d23c8 ffffea00046c4688 ffff8881002b1200
raw: ffff88812ea8c720 00000000002a001e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 24297, tgid 24297 (syz-executor), ts 2427447330291, free_ts 2427386643727
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2597
 get_page_from_freelist+0x27ea/0x2870 mm/page_alloc.c:4425
 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5714
 alloc_slab_page+0x6c/0xf0
 allocate_slab mm/slub.c:1962 [inline]
 new_slab+0x90/0x3e0 mm/slub.c:2015
 ___slab_alloc+0x6f9/0xb80 mm/slub.c:3203
 __slab_alloc+0x5d/0xa0 mm/slub.c:3302
 slab_alloc_node mm/slub.c:3387 [inline]
 slab_alloc mm/slub.c:3429 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3436 [inline]
 kmem_cache_alloc+0x1b9/0x2c0 mm/slub.c:3445
 vma_lock_alloc kernel/fork.c:468 [inline]
 vm_area_dup+0x65/0x290 kernel/fork.c:521
 dup_mmap kernel/fork.c:725 [inline]
 dup_mm kernel/fork.c:1641 [inline]
 copy_mm+0xcec/0x1b70 kernel/fork.c:1690
 copy_process+0x12b6/0x3530 kernel/fork.c:2370
 kernel_clone+0x229/0x890 kernel/fork.c:2786
 __do_sys_clone kernel/fork.c:2929 [inline]
 __se_sys_clone kernel/fork.c:2913 [inline]
 __x64_sys_clone+0x231/0x280 kernel/fork.c:2913
 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
 free_unref_page_list+0xf1/0x7b0 mm/page_alloc.c:3646
 release_pages+0xf7f/0xfe0 mm/swap.c:1063
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu mm/mmu_gather.c:261 [inline]
 tlb_finish_mmu+0x1e0/0x3f0 mm/mmu_gather.c:361
 exit_mmap+0x421/0x940 mm/mmap.c:3348
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:566 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:862
 __do_sys_exit kernel/exit.c:992 [inline]
 __se_sys_exit kernel/exit.c:990 [inline]
 __ia32_sys_exit+0x0/0x40 kernel/exit.c:990
 x64_sys_call+0x1cc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff88812ea8c600: fa fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb
 ffff88812ea8c680: fb fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb
>ffff88812ea8c700: fc fc fc fc fb fb fb fb fb fb fb fb fc fc fc fc
                   ^
 ffff88812ea8c780: fb fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb
 ffff88812ea8c800: fb fb fb fb fc fc fc fc fb fb fb fb fb fb fb fb
==================================================================
general protection fault, probably for non-canonical address 0xe08f9c1e00000b34: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x047d00f0000059a0-0x047d00f0000059a7]
CPU: 0 PID: 24376 Comm: syz.3.14281 Tainted: G    B              6.1.90-syzkaller-00122-g7fa70ede91bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__xdp_enqueue kernel/bpf/devmap.c:478 [inline]
RIP: 0010:dev_map_enqueue+0x72/0x340 kernel/bpf/devmap.c:531
Code: 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d3 37 25 00 48 8b 03 48 89 45 c8 4d 8d ae d0 00 00 00 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 af 37 25 00 bb 20 02 00 00 49 03
RSP: 0018:ffffc9000244f608 EFLAGS: 00010202
RAX: 008fa01e00000b34 RBX: ffff88812ea8c720 RCX: ffffffff8197885d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88812ea8c720
RBP: ffffc9000244f648 R08: ffffffff814495f3 R09: fffffbfff0f2d6fd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 047d00f0000059a3 R14: 047d00f0000058d3 R15: ffff888114906070
FS:  00007eff83d8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000127019000 CR4: 00000000003506b0
Call Trace:
 <TASK>
 __xdp_do_redirect_frame net/core/filter.c:4268 [inline]
 xdp_do_redirect_frame+0x285/0x750 net/core/filter.c:4330
 xdp_test_run_batch net/bpf/test_run.c:314 [inline]
 bpf_test_run_xdp_live+0xc30/0x1f70 net/bpf/test_run.c:362
 bpf_prog_test_run_xdp+0x7d1/0x1130 net/bpf/test_run.c:1387
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3650
 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5005
 __do_sys_bpf kernel/bpf/syscall.c:5091 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5089 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5089
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7eff82f77299
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007eff83d8a048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007eff83105f80 RCX: 00007eff82f77299
RDX: 0000000000000050 RSI: 0000000020000240 RDI: 000000000000000a
RBP: 00007eff82fe48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007eff83105f80 R15: 00007ffcbdddd998
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__xdp_enqueue kernel/bpf/devmap.c:478 [inline]
RIP: 0010:dev_map_enqueue+0x72/0x340 kernel/bpf/devmap.c:531
Code: 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d3 37 25 00 48 8b 03 48 89 45 c8 4d 8d ae d0 00 00 00 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 af 37 25 00 bb 20 02 00 00 49 03
RSP: 0018:ffffc9000244f608 EFLAGS: 00010202
RAX: 008fa01e00000b34 RBX: ffff88812ea8c720 RCX: ffffffff8197885d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88812ea8c720
RBP: ffffc9000244f648 R08: ffffffff814495f3 R09: fffffbfff0f2d6fd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 047d00f0000059a3 R14: 047d00f0000058d3 R15: ffff888114906070
FS:  00007eff83d8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000127019000 CR4: 00000000003506b0
----------------
Code disassembly (best guess):
   0:	89 d8                	mov    %ebx,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   b:	74 08                	je     0x15
   d:	48 89 df             	mov    %rbx,%rdi
  10:	e8 d3 37 25 00       	call   0x2537e8
  15:	48 8b 03             	mov    (%rbx),%rax
  18:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
  1c:	4d 8d ae d0 00 00 00 	lea    0xd0(%r14),%r13
  23:	4c 89 e8             	mov    %r13,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ef             	mov    %r13,%rdi
  34:	e8 af 37 25 00       	call   0x2537e8
  39:	bb 20 02 00 00       	mov    $0x220,%ebx
  3e:	49                   	rex.WB
  3f:	03                   	.byte 0x3