Re: [PATCH] exfat: check if cluster num is valid

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jeon,
On 4/21/22 22:54, Namjae Jeon wrote:
Call Trace:
  __dump_stack lib/dump_stack.c:77 [inline]
  dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
  print_address_description+0x81/0x3c0 mm/kasan/report.c:233
  __kasan_report mm/kasan/report.c:419 [inline]
  kasan_report+0x1a4/0x1f0 mm/kasan/report.c:436
  __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
  exfat_clear_bitmap+0x147/0x490 fs/exfat/balloc.c:174
  exfat_free_cluster+0x25a/0x4a0 fs/exfat/fatent.c:181
  __exfat_truncate+0x99e/0xe00 fs/exfat/file.c:217
  exfat_truncate+0x11b/0x4f0 fs/exfat/file.c:243
  exfat_setattr+0xa03/0xd40 fs/exfat/file.c:339
  notify_change+0xb76/0xe10 fs/attr.c:336
  do_truncate+0x1ea/0x2d0 fs/open.c:65
Could you please share how to reproduce this ?

Sorry, I missed this.
The reproducer [1] can be found on the syzbot report website [2]

[1] https://syzkaller.appspot.com/text?tag=ReproC&x=1353dfdf700000
[2] https://syzkaller.appspot.com/bug?id=50381fc73821ecae743b8cf24b4c9a04776f767c
--
Thanks,
Tadeusz



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux