==================================================================
BUG: KASAN: use-after-free in __hlist_del include/linux/list.h:791 [inline]
BUG: KASAN: use-after-free in detach_timer kernel/time/timer.c:824 [inline]
BUG: KASAN: use-after-free in expire_timers kernel/time/timer.c:1482 [inline]
BUG: KASAN: use-after-free in __run_timers+0x7be/0xbe0 kernel/time/timer.c:1817
Write of size 8 at addr ffff8881ed94f1c8 by task syz-executor.4/3538

CPU: 1 PID: 3538 Comm: syz-executor.4 Tainted: G        W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 print_address_description+0x8c/0x600 mm/kasan/report.c:384
 __kasan_report+0xf3/0x120 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:653
 __hlist_del include/linux/list.h:791 [inline]
 detach_timer kernel/time/timer.c:824 [inline]
 expire_timers kernel/time/timer.c:1482 [inline]
 __run_timers+0x7be/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__rb_insert lib/rbtree.c:94 [inline]
RIP: 0010:__rb_insert_augmented+0x4c/0x600 lib/rbtree.c:459
Code: fc ff df 48 89 f8 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 e7 e8 e5 a5 48 fd 4d 8b 34 24 4d 85 f6 75 18 e9 7e 05 00 00 4c 8b 33 <49> 89 dc 49 83 e6 fc 4c 89 33 0f 84 68 05 00 00 4c 89 f5 48 c1 ed
RSP: 0018:ffff8881eb49f160 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103ca0d67a RBX: ffff8881e506b3d0 RCX: 0000000000000000
RDX: ffffffff818f7fb0 RSI: ffffffff86ec7240 RDI: ffff8881e506bc10
RBP: ffff8881e506b2b0 R08: dffffc0000000000 R09: ffff8881e506bc18
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ca0d656
R13: ffff8881e506b3d0 R14: ffff8881e506b911 R15: dffffc0000000000
 rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline]
 link_va mm/vmalloc.c:530 [inline]
 merge_or_add_vmap_area mm/vmalloc.c:761 [inline]
 __purge_vmap_area_lazy+0x98c/0x1610 mm/vmalloc.c:1290
 _vm_unmap_aliases+0x2dd/0x370 mm/vmalloc.c:1707
 change_page_attr_set_clr+0x304/0x1090 arch/x86/mm/pageattr.c:1713
 change_page_attr_clear arch/x86/mm/pageattr.c:1770 [inline]
 set_memory_ro+0xa1/0xe0 arch/x86/mm/pageattr.c:1903
 bpf_jit_binary_lock_ro include/linux/filter.h:863 [inline]
 bpf_int_jit_compile+0x877b/0x8c40 arch/x86/net/bpf_jit_comp.c:1195
 bpf_prog_select_runtime+0x654/0x900 kernel/bpf/core.c:1782
 bpf_prog_load kernel/bpf/syscall.c:1728 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2891 [inline]
 __se_sys_bpf+0x8193/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f2893312ea9
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:00007f289268d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2893449f80 RCX: 00007f2893312ea9
RDX: 0000000000000080 RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007f2893381ff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2893449f80 R15: 00007ffe015897d8

The buggy address belongs to the page:
page:ffffea0007b653c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x8000000000000000()
raw: 8000000000000000 ffffea0007714f08 ffffea0007b65388 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x106dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_ZERO)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:2165 [inline]
 prep_new_page+0x18f/0x370 mm/page_alloc.c:2171
 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893
 __vmalloc_area_node mm/vmalloc.c:2431 [inline]
 __vmalloc_node_range+0x384/0x710 mm/vmalloc.c:2499
 __vmalloc_node mm/vmalloc.c:2554 [inline]
 __vmalloc_node_flags_caller+0x78/0x90 mm/vmalloc.c:2576
 htab_map_alloc+0x493/0x930 kernel/bpf/hashtab.c:365
 find_and_alloc_map kernel/bpf/syscall.c:122 [inline]
 map_create kernel/bpf/syscall.c:573 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2873 [inline]
 __se_sys_bpf+0x3291/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1176 [inline]
 free_pcp_prepare mm/page_alloc.c:1233 [inline]
 free_unref_page_prepare+0x297/0x380 mm/page_alloc.c:3085
 free_unref_page mm/page_alloc.c:3134 [inline]
 free_the_page mm/page_alloc.c:4953 [inline]
 __free_pages+0xaf/0x140 mm/page_alloc.c:4961
 __vunmap+0x75b/0x890 mm/vmalloc.c:2260
 htab_map_free+0x5b8/0x670 kernel/bpf/hashtab.c:1238
 bpf_map_free_deferred+0xa8/0x100 kernel/bpf/syscall.c:311
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354

Memory state around the buggy address:
 ffff8881ed94f080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8881ed94f100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8881ed94f180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                              ^
 ffff8881ed94f200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8881ed94f280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3538 Comm: syz-executor.4 Tainted: G    B   W         5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline]
RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1817
Code: 89 e7 e8 83 4e 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 e5 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 52 4e 3f 00 4d 89 65 00 eb 05 e8 b7
RSP: 0018:ffff8881f6f09d60 EFLAGS: 00010002
RAX: 00000000000003c8 RBX: 1ffff1103db29e39 RCX: dffffc0000000000
RDX: 0000000000000102 RSI: 0000000000000008 RDI: ffff8881ed94f1c8
RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6f09e28
R13: 0000000000001e41 R14: 1ffff1103db29e38 R15: ffff8881ed94f1c8
FS:  00007f289268d6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001da632000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__rb_insert lib/rbtree.c:94 [inline]
RIP: 0010:__rb_insert_augmented+0x4c/0x600 lib/rbtree.c:459
Code: fc ff df 48 89 f8 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 e7 e8 e5 a5 48 fd 4d 8b 34 24 4d 85 f6 75 18 e9 7e 05 00 00 4c 8b 33 <49> 89 dc 49 83 e6 fc 4c 89 33 0f 84 68 05 00 00 4c 89 f5 48 c1 ed
RSP: 0018:ffff8881eb49f160 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103ca0d67a RBX: ffff8881e506b3d0 RCX: 0000000000000000
RDX: ffffffff818f7fb0 RSI: ffffffff86ec7240 RDI: ffff8881e506bc10
RBP: ffff8881e506b2b0 R08: dffffc0000000000 R09: ffff8881e506bc18
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103ca0d656
R13: ffff8881e506b3d0 R14: ffff8881e506b911 R15: dffffc0000000000
 rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline]
 link_va mm/vmalloc.c:530 [inline]
 merge_or_add_vmap_area mm/vmalloc.c:761 [inline]
 __purge_vmap_area_lazy+0x98c/0x1610 mm/vmalloc.c:1290
 _vm_unmap_aliases+0x2dd/0x370 mm/vmalloc.c:1707
 change_page_attr_set_clr+0x304/0x1090 arch/x86/mm/pageattr.c:1713
 change_page_attr_clear arch/x86/mm/pageattr.c:1770 [inline]
 set_memory_ro+0xa1/0xe0 arch/x86/mm/pageattr.c:1903
 bpf_jit_binary_lock_ro include/linux/filter.h:863 [inline]
 bpf_int_jit_compile+0x877b/0x8c40 arch/x86/net/bpf_jit_comp.c:1195
 bpf_prog_select_runtime+0x654/0x900 kernel/bpf/core.c:1782
 bpf_prog_load kernel/bpf/syscall.c:1728 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:2891 [inline]
 __se_sys_bpf+0x8193/0xbcb0 kernel/bpf/syscall.c:2849
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f2893312ea9
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:00007f289268d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2893449f80 RCX: 00007f2893312ea9
RDX: 0000000000000080 RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007f2893381ff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2893449f80 R15: 00007ffe015897d8
Modules linked in:
---[ end trace 35391d523432eb98 ]---
RIP: 0010:__hlist_del include/linux/list.h:791 [inline]
RIP: 0010:detach_timer kernel/time/timer.c:824 [inline]
RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline]
RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1817
Code: 89 e7 e8 83 4e 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 e5 68 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 52 4e 3f 00 4d 89 65 00 eb 05 e8 b7
RSP: 0018:ffff8881f6f09d60 EFLAGS: 00010002
RAX: 00000000000003c8 RBX: 1ffff1103db29e39 RCX: dffffc0000000000
RDX: 0000000000000102 RSI: 0000000000000008 RDI: ffff8881ed94f1c8
RBP: ffff8881f6f09ec8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6f09e28
R13: 0000000000001e41 R14: 1ffff1103db29e38 R15: ffff8881ed94f1c8
FS:  00007f289268d6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001da632000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	f8                   	clc
   4:	48 c1 e8 03          	shr    $0x3,%rax
   8:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   d:	74 08                	je     0x17
   f:	4c 89 e7             	mov    %r12,%rdi
  12:	e8 e5 a5 48 fd       	call   0xfd48a5fc
  17:	4d 8b 34 24          	mov    (%r12),%r14
  1b:	4d 85 f6             	test   %r14,%r14
  1e:	75 18                	jne    0x38
  20:	e9 7e 05 00 00       	jmp    0x5a3
  25:	4c 8b 33             	mov    (%rbx),%r14
* 28:	49 89 dc             	mov    %rbx,%r12 <-- trapping instruction
  2b:	49 83 e6 fc          	and    $0xfffffffffffffffc,%r14
  2f:	4c 89 33             	mov    %r14,(%rbx)
  32:	0f 84 68 05 00 00    	je     0x5a0
  38:	4c 89 f5             	mov    %r14,%rbp
  3b:	48                   	rex.W
  3c:	c1                   	.byte 0xc1
  3d:	ed                   	in     (%dx),%eax