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BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:71 [inline]
BUG: KASAN: null-ptr-deref in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
BUG: KASAN: null-ptr-deref in transhuge_vma_enabled include/linux/huge_mm.h:154 [inline]
BUG: KASAN: null-ptr-deref in hugepage_vma_check+0x59/0x600 mm/huge_memory.c:76
Read of size 8 at addr 00000000000005a8 by task syz-executor.0/4099

CPU: 1 PID: 4099 Comm: syz-executor.0 Not tainted 5.19.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_report mm/kasan/report.c:432 [inline]
 kasan_report.cold+0x61/0x1c6 mm/kasan/report.c:491
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 transhuge_vma_enabled include/linux/huge_mm.h:154 [inline]
 hugepage_vma_check+0x59/0x600 mm/huge_memory.c:76
 show_smap+0x1a9/0x400 fs/proc/task_mmu.c:866
 traverse.part.0+0xbb/0x510 fs/seq_file.c:111
 traverse fs/seq_file.c:101 [inline]
 seq_read_iter+0x7a1/0x1040 fs/seq_file.c:195
 seq_read+0x294/0x410 fs/seq_file.c:162
 do_loop_readv_writev fs/read_write.c:763 [inline]
 do_loop_readv_writev fs/read_write.c:750 [inline]
 do_iter_read+0x3e7/0x690 fs/read_write.c:805
 vfs_readv+0xc3/0x130 fs/read_write.c:923
 do_preadv fs/read_write.c:1015 [inline]
 __do_sys_preadv fs/read_write.c:1065 [inline]
 __se_sys_preadv fs/read_write.c:1060 [inline]
 __x64_sys_preadv+0x1d1/0x290 fs/read_write.c:1060
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7efea0889109
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efea19f2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007efea099bf60 RCX: 00007efea0889109
RDX: 0000000000000001 RSI: 00000000200006c0 RDI: 0000000000000003
RBP: 00007efea08e305d R08: 0000000000000000 R09: 0000000000000000
R10: 00000000fffffffe R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5e070d5f R14: 00007efea19f2300 R15: 0000000000022000
 </TASK>
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