R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f21e6dc9080 R15: 00007ffc9a6b2a68
 </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+0x383/0x24b0 fs/xfs/xfs_log_cil.c:1264
Write of size 104 at addr 0000000000000000 by task syz.8.822/8414

CPU: 1 PID: 8414 Comm: syz.8.822 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:438 [inline]
 kasan_report+0x161/0x1c0 mm/kasan/report.c:451
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189
 memset+0x1f/0x40 mm/kasan/shadow.c:44
 xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline]
 xlog_cil_commit+0x383/0x24b0 fs/xfs/xfs_log_cil.c:1264
 __xfs_trans_commit+0x7e8/0xdd0 fs/xfs/xfs_trans.c:881
 xfs_vn_update_time+0x3f7/0x590 fs/xfs/xfs_iops.c:1072
 inode_update_time fs/inode.c:1868 [inline]
 file_update_time+0x3d1/0x460 fs/inode.c:2058
 xfs_file_write_checks+0x929/0xae0 fs/xfs/xfs_file.c:446
 xfs_file_dio_write_aligned+0x162/0x340 fs/xfs/xfs_file.c:555
 xfs_file_dio_write fs/xfs/xfs_file.c:681 [inline]
 xfs_file_write_iter+0x504/0x610 fs/xfs/xfs_file.c:828
 do_iter_readv_writev+0x594/0x7a0
 do_iter_write+0x1e6/0x760 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x219/0x360 fs/read_write.c:1025
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f21e6c02f19
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f21e4a58058 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f21e6dc9080 RCX: 00007f21e6c02f19
RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000008
RBP: 00007f21e4a580a0 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f21e6dc9080 R15: 00007ffc9a6b2a68
 </TASK>
==================================================================