RBP: 00007fb5f4e1e120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fb5f53baf80 R15: 00007fff6fb085d8 ================================================================== 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+0x357/0x2190 fs/xfs/xfs_log_cil.c:1264 Write of size 88 at addr 0000000000000000 by task syz-executor.0/2019 CPU: 1 PID: 2019 Comm: syz-executor.0 Not tainted 5.15.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106 __kasan_report mm/kasan/report.c:438 [inline] kasan_report.cold+0x66/0xdf mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 memset+0x20/0x40 mm/kasan/shadow.c:44 xlog_cil_alloc_shadow_bufs fs/xfs/xfs_log_cil.c:225 [inline] xlog_cil_commit+0x357/0x2190 fs/xfs/xfs_log_cil.c:1264 __xfs_trans_commit+0x4ae/0xad0 fs/xfs/xfs_trans.c:881 xfs_trans_roll+0x145/0x2b0 fs/xfs/xfs_trans.c:1009 xfs_defer_trans_roll+0x302/0x720 fs/xfs/libxfs/xfs_defer.c:297 xfs_defer_finish+0xb8/0x1c0 fs/xfs/libxfs/xfs_defer.c:525 xfs_dquot_disk_alloc+0x67b/0x940 fs/xfs/xfs_dquot.c:376 xfs_qm_dqread_alloc fs/xfs/xfs_dquot.c:647 [inline] xfs_qm_dqread+0x361/0x420 fs/xfs/xfs_dquot.c:692 xfs_qm_dqget+0x10e/0x490 fs/xfs/xfs_dquot.c:897 xfs_qm_vop_dqalloc+0x3f5/0xb20 fs/xfs/xfs_qm.c:1690 xfs_setattr_nonsize+0x4dd/0x980 fs/xfs/xfs_iops.c:688 xfs_vn_setattr+0x18f/0x260 fs/xfs/xfs_iops.c:1029 notify_change+0x4b4/0xeb0 fs/attr.c:505 chown_common+0x4c5/0x5f0 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] vfs_fchown fs/open.c:740 [inline] ksys_fchown+0xbb/0x110 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x6a/0xb0 fs/open.c:765 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+0x61/0xcb RIP: 0033:0x7fb5f529b959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb5f4e1e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005d RAX: ffffffffffffffda RBX: 00007fb5f53baf80 RCX: 00007fb5f529b959 RDX: 0000000000000000 RSI: 000000000000ee00 RDI: 0000000000000003 RBP: 00007fb5f4e1e120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fb5f53baf80 R15: 00007fff6fb085d8 ==================================================================