==================================================================
BUG: KASAN: stack-out-of-bounds in __remove_hrtimer+0x250/0x2a0 kernel/time/hrtimer.c:1109
Read of size 1 at addr ffffc90003d2fdd0 by task syz-executor.1/14332

CPU: 0 PID: 14332 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-09882-gcec24b8b6bb8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:319
 print_report mm/kasan/report.c:430 [inline]
 kasan_report+0x11c/0x130 mm/kasan/report.c:536
 __remove_hrtimer+0x250/0x2a0 kernel/time/hrtimer.c:1109
 __run_hrtimer kernel/time/hrtimer.c:1665 [inline]
 __hrtimer_run_queues+0x4e0/0xbe0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x7b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: e6 9a 8c 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 9d f9 7f 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc9001492f780 EFLAGS: 00000216
RAX: 00000000000115f6 RBX: 0000000000000200 RCX: ffffc90005dba000
RDX: 0000000000040000 RSI: ffffffff8167ca95 RDI: 0000000000000007
RBP: ffffffff8d259158 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8d259100 R14: dffffc0000000000 R15: 0000000000000001
 console_emit_next_record arch/x86/include/asm/irqflags.h:42 [inline]
 console_flush_all+0x61b/0xcc0 kernel/printk/printk.c:2931
 console_unlock+0xb8/0x1f0 kernel/printk/printk.c:3005
 vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2305
 vprintk+0x84/0xa0 kernel/printk/printk_safe.c:50
 _printk+0xbf/0xf0 kernel/printk/printk.c:2326
 reiserfs_info+0xe1/0x140 fs/reiserfs/prints.c:303
 create_privroot fs/reiserfs/xattr.c:900 [inline]
 reiserfs_xattr_init+0x612/0xbc0 fs/reiserfs/xattr.c:1006
 reiserfs_remount+0xb62/0x1650 fs/reiserfs/super.c:1586
 legacy_reconfigure+0x119/0x180 fs/fs_context.c:633
 reconfigure_super+0x40c/0xa30 fs/super.c:956
 do_remount fs/namespace.c:2701 [inline]
 path_mount+0x1846/0x1e40 fs/namespace.c:3361
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1c6fa8d69a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1c70709f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c6fa8d69a
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 00007f1c7070a020 R08: 00007f1c7070a020 R09: 0000000001a484bc
R10: 0000000001a484bc R11: 0000000000000202 R12: 00000000200000c0
R13: 0000000020000100 R14: 00007f1c70709fe0 R15: 0000000020003d00
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc90003d28000, ffffc90003d31000) created by:
 kernel_clone+0xeb/0x890 kernel/fork.c:2774

The buggy address belongs to the physical page:
page:ffffea0001011a80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4046a
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 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 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 5020, tgid 5020 (syz-executor.1), ts 188356908312, free_ts 9559644638
 prep_new_page mm/page_alloc.c:2553 [inline]
 get_page_from_freelist+0x1190/0x2e20 mm/page_alloc.c:4326
 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:5592
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2277
 vm_area_alloc_pages mm/vmalloc.c:2957 [inline]
 __vmalloc_area_node mm/vmalloc.c:3033 [inline]
 __vmalloc_node_range+0xb1c/0x14a0 mm/vmalloc.c:3205
 alloc_thread_stack_node kernel/fork.c:311 [inline]
 dup_task_struct kernel/fork.c:982 [inline]
 copy_process+0x134c/0x7580 kernel/fork.c:2190
 kernel_clone+0xeb/0x890 kernel/fork.c:2774
 __do_sys_clone+0xba/0x100 kernel/fork.c:2917
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1454 [inline]
 free_pcp_prepare+0x5d5/0xa50 mm/page_alloc.c:1504
 free_unref_page_prepare mm/page_alloc.c:3388 [inline]
 free_unref_page+0x1d/0x490 mm/page_alloc.c:3483
 free_contig_range+0xb5/0x180 mm/page_alloc.c:9551
 destroy_args+0x6c4/0x920 mm/debug_vm_pgtable.c:1023
 debug_vm_pgtable+0x242a/0x4640 mm/debug_vm_pgtable.c:1403
 do_one_initcall+0x102/0x540 init/main.c:1313
 do_initcall_level init/main.c:1386 [inline]
 do_initcalls init/main.c:1402 [inline]
 do_basic_setup init/main.c:1421 [inline]
 kernel_init_freeable+0x696/0xc00 init/main.c:1641
 kernel_init+0x1e/0x2c0 init/main.c:1529
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Memory state around the buggy address:
 ffffc90003d2fc80: f3 f3 f3 00 f1 f1 f1 00 00 f2 f2 00 00 00 f3 f3
 ffffc90003d2fd00: f3 f3 f3 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
>ffffc90003d2fd80: f3 f3 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
                                                 ^
 ffffc90003d2fe00: f3 f3 00 00 00 00 00 00 00 00 00 00 f3 f3 f3 f3
 ffffc90003d2fe80: f3 00 00 00 00 00 00 00 00 00 00 00 f3 f3 f3 f3
==================================================================
----------------
Code disassembly (best guess):
   0:	e6 9a                	out    %al,$0x9a
   2:	8c 02                	mov    %es,(%rdx)
   4:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
   a:	f3 0f 1e fa          	endbr64
   e:	48 8b be a8 01 00 00 	mov    0x1a8(%rsi),%rdi
  15:	e8 b0 ff ff ff       	callq  0xffffffca
  1a:	31 c0                	xor    %eax,%eax
  1c:	c3                   	retq
  1d:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  24:	00 00 00 00
  28:	66 90                	xchg   %ax,%ax
* 2a:	f3 0f 1e fa          	endbr64 <-- trapping instruction
  2e:	65 8b 05 9d f9 7f 7e 	mov    %gs:0x7e7ff99d(%rip),%eax        # 0x7e7ff9d2
  35:	89 c1                	mov    %eax,%ecx
  37:	48 8b 34 24          	mov    (%rsp),%rsi
  3b:	81                   	.byte 0x81
  3c:	e1 00                	loope  0x3e
  3e:	01 00                	add    %eax,(%rax)