XFS (loop0): Torn write (CRC failure) detected at log block 0x180. Truncating head block from 0x200. XFS (loop0): Starting recovery (logdev: internal) ================================================================== BUG: KASAN: slab-out-of-bounds in xfs_btree_lookup_get_block+0x180/0x66c fs/xfs/libxfs/xfs_btree.c:1813 Read of size 8 at addr ffff0000c3624128 by task syz-executor154/4217 CPU: 0 PID: 4217 Comm: syz-executor154 Not tainted 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 xfs_btree_lookup_get_block+0x180/0x66c fs/xfs/libxfs/xfs_btree.c:1813 xfs_btree_lookup+0x388/0x117c fs/xfs/libxfs/xfs_btree.c:1913 xfs_btree_simple_query_range+0xd4/0x5c4 fs/xfs/libxfs/xfs_btree.c:4713 xfs_btree_query_range+0x2b4/0x348 fs/xfs/libxfs/xfs_btree.c:4953 xfs_refcount_recover_cow_leftovers+0x2c4/0xbdc fs/xfs/libxfs/xfs_refcount.c:1832 xfs_reflink_recover_cow+0x88/0x190 fs/xfs/xfs_reflink.c:930 xlog_recover_finish+0x708/0x7ec fs/xfs/xfs_log_recover.c:3493 xfs_log_mount_finish+0x1b8/0x3f4 fs/xfs/xfs_log.c:827 xfs_mountfs+0x103c/0x18fc fs/xfs/xfs_mount.c:919 xfs_fs_fill_super+0xd38/0xf50 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x360/0x54c fs/super.c:1346 xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1713 vfs_get_tree+0x90/0x274 fs/super.c:1553 do_new_mount+0x25c/0x8c8 fs/namespace.c:3040 path_mount+0x590/0xe58 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 The buggy address belongs to the object at ffff0000c3624108 which belongs to the cache xfs_refcbt_cur of size 200 The buggy address is located 32 bytes inside of 200-byte region [ffff0000c3624108, ffff0000c36241d0) The buggy address belongs to the physical page: page:00000000bb3715e9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103624 flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000200 0000000000000000 dead000000000122 ffff0000c4e94300 raw: 0000000000000000 00000000800f000f 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c3624000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000c3624080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc >ffff0000c3624100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000c3624180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c3624200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== XFS (loop0): Metadata corruption detected at xfs_btree_lookup_get_block+0x444/0x66c fs/xfs/libxfs/xfs_btree.c:1846, xfs_refcountbt block 0x18 XFS (loop0): Unmount and run xfs_repair Unable to handle kernel paging request at virtual address e0c100530000024d KASAN: maybe wild-memory-access in range [0x060c029800001268-0x060c02980000126f] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [e0c100530000024d] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4217 Comm: syz-executor154 Tainted: G B 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : xfs_trans_brelse+0x34/0x4e0 fs/xfs/xfs_trans_buf.c:349 lr : xfs_trans_brelse+0x2c/0x4e0 fs/xfs/xfs_trans_buf.c:348 sp : ffff80001d7a7340 x29: ffff80001d7a7340 x28: 00000000ffffff8b x27: 1fffe000186c4800 x26: 0000000000000007 x25: 00000000000000c8 x24: 1fffe000186c4809 x23: dfff800000000000 x22: 060c029800001079 x21: 060c029800001269 x20: ffff0000d3c0a000 x19: 060c029800001079 x18: 1fffe000368b6376 x17: 0000000000000000 x16: ffff8000120eb394 x15: ffff800008ac7c64 x14: ffff800008ac4a08 x13: ffff800008061eec x12: 0000000000000001 x11: ff80800009c8eb44 x10: 0000000000000000 x9 : ffff800009c8eb44 x8 : 00c180530000024d x7 : ffff800008061eec x6 : ffff8000080620fc x5 : ffff0000d9d0eab0 x4 : ffff80001d7a6a78 x3 : ffff800009aa3ccc x2 : 0000000000000000 x1 : 060c029800001079 x0 : ffff0000d3c0a000 Call trace: xfs_trans_brelse+0x34/0x4e0 fs/xfs/xfs_trans_buf.c:349 xfs_btree_del_cursor+0xb8/0x24c fs/xfs/libxfs/xfs_btree.c:440 xfs_refcount_recover_cow_leftovers+0x2d4/0xbdc fs/xfs/libxfs/xfs_refcount.c:1834 xfs_reflink_recover_cow+0x88/0x190 fs/xfs/xfs_reflink.c:930 xlog_recover_finish+0x708/0x7ec fs/xfs/xfs_log_recover.c:3493 xfs_log_mount_finish+0x1b8/0x3f4 fs/xfs/xfs_log.c:827 xfs_mountfs+0x103c/0x18fc fs/xfs/xfs_mount.c:919 xfs_fs_fill_super+0xd38/0xf50 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x360/0x54c fs/super.c:1346 xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1713 vfs_get_tree+0x90/0x274 fs/super.c:1553 do_new_mount+0x25c/0x8c8 fs/namespace.c:3040 path_mount+0x590/0xe58 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: f2fbfff7 97a1b118 9107c275 d343fea8 (38776908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfff7 movk x23, #0xdfff, lsl #48 4: 97a1b118 bl 0xfffffffffe86c464 8: 9107c275 add x21, x19, #0x1f0 c: d343fea8 lsr x8, x21, #3 * 10: 38776908 ldrb w8, [x8, x23] <-- trapping instruction