hrtimer: interrupt took 30792 ns
==================================================================
BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x677/0xcf0 kernel/bpf/stackmap.c:265
Write of size 8 at addr ffff88810bea7248 by task syz.2.163/6356

CPU: 1 UID: 0 PID: 6356 Comm: syz.2.163 Not tainted 6.17.0-rc1-syzkaller-00022-g07866544e410-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <IRQ>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __bpf_get_stackid+0x677/0xcf0 kernel/bpf/stackmap.c:265
 ____bpf_get_stackid_raw_tp kernel/trace/bpf_trace.c:1810 [inline]
 bpf_get_stackid_raw_tp+0x196/0x210 kernel/trace/bpf_trace.c:1799
 bpf_prog_b724608cae728045+0x27/0x2f
 bpf_dispatcher_nop_func include/linux/bpf.h:1332 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline]
 bpf_trace_run2+0x284/0x4b0 kernel/trace/bpf_trace.c:2298
 __do_trace_kfree include/trace/events/kmem.h:94 [inline]
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x3a0/0x440 mm/slub.c:4866
 slab_free_after_rcu_debug+0x60/0x2a0 mm/slub.c:4717
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:105 [inline]
RIP: 0010:do_raw_spin_unlock+0xc8/0x240 kernel/locking/spinlock_debug.c:141
Code: 48 c1 ed 03 42 0f b6 44 25 00 84 c0 0f 85 42 01 00 00 41 8b 07 65 8b 0d 2a 3c 02 11 39 c8 0f 85 d4 00 00 00 43 80 7c 25 00 00 <74> 08 4c 89 f7 e8 ce 1a 85 00 49 c7 06 ff ff ff ff 42 0f b6 44 25
RSP: 0018:ffffc900024bfb98 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff88802371a0c8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802371a0c8
RBP: 1ffff110046e341a R08: ffff88802371a0cb R09: 1ffff110046e3419
R10: dffffc0000000000 R11: ffffed10046e341a R12: dffffc0000000000
R13: 1ffff110046e341b R14: ffff88802371a0d8 R15: ffff88802371a0d0
 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 futex_wake+0x493/0x560 kernel/futex/waitwake.c:197
 do_futex+0x395/0x420 kernel/futex/syscalls.c:107
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x36f/0x400 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc46fd8ebe9
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:00007fc470cab0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fc46ffb5fa8 RCX: 00007fc46fd8ebe9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc46ffb5fac
RBP: 00007fc46ffb5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc46ffb6038 R14: 00007ffc57787990 R15: 00007ffc57787a78
 </TASK>

Allocated by task 6356:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4365 [inline]
 __kmalloc_node_noprof+0x276/0x4e0 mm/slub.c:4371
 kmalloc_node_noprof include/linux/slab.h:932 [inline]
 __bpf_map_area_alloc kernel/bpf/syscall.c:393 [inline]
 bpf_map_area_alloc+0x64/0x180 kernel/bpf/syscall.c:406
 prealloc_elems_and_freelist+0x86/0x1d0 kernel/bpf/stackmap.c:51
 stack_map_alloc+0x33f/0x4c0 kernel/bpf/stackmap.c:114
 map_create+0xaa3/0x14d0 kernel/bpf/syscall.c:1480
 __sys_bpf+0x60f/0x870 kernel/bpf/syscall.c:6011
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88810bea7000
 which belongs to the cache kmalloc-cg-1k of size 1024
The buggy address is located 8 bytes to the right of
 allocated 576-byte region [ffff88810bea7000, ffff88810bea7240)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10bea0
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88810d80f301
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff88801a44b280 dead000000000100 dead000000000122
raw: 0000000000000000 0000000080100010 00000000f5000000 ffff88810d80f301
head: 057ff00000000040 ffff88801a44b280 dead000000000100 dead000000000122
head: 0000000000000000 0000000080100010 00000000f5000000 ffff88810d80f301
head: 057ff00000000003 ffffea00042fa801 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5305, tgid 5305 (udevd), ts 23418363064, free_ts 23411301553
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:2487 [inline]
 allocate_slab+0x8a/0x370 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0xbeb/0x1410 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_noprof+0x305/0x4f0 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kmalloc_array_noprof include/linux/slab.h:948 [inline]
 alloc_pipe_info+0x1fd/0x4d0 fs/pipe.c:815
 get_pipe_inode fs/pipe.c:894 [inline]
 create_pipe_files+0x8a/0x7e0 fs/pipe.c:926
 __do_pipe_flags+0x46/0x1f0 fs/pipe.c:988
 do_pipe2+0x9c/0x170 fs/pipe.c:1036
 __do_sys_pipe2 fs/pipe.c:1054 [inline]
 __se_sys_pipe2 fs/pipe.c:1052 [inline]
 __x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1052
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5300 tgid 5300 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
 discard_slab mm/slub.c:2753 [inline]
 __put_partials+0x156/0x1a0 mm/slub.c:3218
 put_cpu_partial+0x17c/0x250 mm/slub.c:3293
 __slab_free+0x2d5/0x3c0 mm/slub.c:4550
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:340
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4180 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_noprof+0x224/0x4f0 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 tomoyo_realpath_from_path+0xe3/0x5d0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path2_perm+0x288/0x680 security/tomoyo/file.c:923
 tomoyo_path_rename+0x141/0x190 security/tomoyo/tomoyo.c:300
 security_path_rename+0x250/0x490 security/security.c:2026
 do_renameat2+0x52b/0xa80 fs/namei.c:5265
 __do_sys_rename fs/namei.c:5325 [inline]
 __se_sys_rename fs/namei.c:5323 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5323
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88810bea7100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88810bea7180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88810bea7200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                              ^
 ffff88810bea7280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810bea7300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
   0:	48 c1 ed 03          	shr    $0x3,%rbp
   4:	42 0f b6 44 25 00    	movzbl 0x0(%rbp,%r12,1),%eax
   a:	84 c0                	test   %al,%al
   c:	0f 85 42 01 00 00    	jne    0x154
  12:	41 8b 07             	mov    (%r15),%eax
  15:	65 8b 0d 2a 3c 02 11 	mov    %gs:0x11023c2a(%rip),%ecx        # 0x11023c46
  1c:	39 c8                	cmp    %ecx,%eax
  1e:	0f 85 d4 00 00 00    	jne    0xf8
  24:	43 80 7c 25 00 00    	cmpb   $0x0,0x0(%r13,%r12,1)
* 2a:	74 08                	je     0x34 <-- trapping instruction
  2c:	4c 89 f7             	mov    %r14,%rdi
  2f:	e8 ce 1a 85 00       	call   0x851b02
  34:	49 c7 06 ff ff ff ff 	movq   $0xffffffffffffffff,(%r14)
  3b:	42                   	rex.X
  3c:	0f                   	.byte 0xf
  3d:	b6 44                	mov    $0x44,%dh
  3f:	25                   	.byte 0x25
