RDX: 0000000000000001 RSI: 0000200000000380 RDI: 0000000000000004
RBP: 00007f9706ab1090 R08: 0000000000000005 R09: 0000000000000008
R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000001
R13: 00007f9708ad1038 R14: 00007f9708ad0fa0 R15: 00007ffc348fd978
 </TASK>
==================================================================
BUG: KASAN: null-ptr-deref in xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
BUG: KASAN: null-ptr-deref in xlog_cil_commit+0x2d8/0x2050 fs/xfs/xfs_log_cil.c:1264
Write of size 88 at addr 0000000000000000 by task syz.3.151/5315

CPU: 1 PID: 5315 Comm: syz.3.151 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:438 [inline]
 kasan_report+0xd5/0x130 mm/kasan/report.c:451
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x235/0x290 mm/kasan/generic.c:189
 memset+0x1e/0x40 mm/kasan/shadow.c:44
 xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
 xlog_cil_commit+0x2d8/0x2050 fs/xfs/xfs_log_cil.c:1264
 __xfs_trans_commit+0x6b4/0xc60 fs/xfs/xfs_trans.c:881
 xfs_vn_update_time+0x3a0/0x520 fs/xfs/xfs_iops.c:1072
 inode_update_time fs/inode.c:1893 [inline]
 touch_atime+0x2f8/0x640 fs/inode.c:1966
 file_accessed include/linux/fs.h:2522 [inline]
 xfs_file_dio_read+0x168/0x3d0 fs/xfs/xfs_file.c:255
 xfs_file_read_iter+0x2ad/0x500 fs/xfs/xfs_file.c:325
 do_iter_readv_writev+0x47e/0x5f0 fs/read_write.c:-1
 do_iter_read+0x20b/0x7c0 fs/read_write.c:790
 vfs_readv fs/read_write.c:910 [inline]
 do_preadv+0x235/0x390 fs/read_write.c:1002
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9708857799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9706ab1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f9708ad0fa0 RCX: 00007f9708857799
RDX: 0000000000000001 RSI: 0000200000000380 RDI: 0000000000000004
RBP: 00007f9706ab1090 R08: 0000000000000005 R09: 0000000000000008
R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000001
R13: 00007f9708ad1038 R14: 00007f9708ad0fa0 R15: 00007ffc348fd978
 </TASK>
==================================================================