XFS (loop3): invalid iclog size (1 bytes), using lsunit (65536 bytes) ================================================================== BUG: KASAN: slab-out-of-bounds in crc32c_intel_le_hw arch/x86/crypto/crc32c-intel_glue.c:67 [inline] BUG: KASAN: slab-out-of-bounds in crc32c_pcl_intel_update+0x120/0x270 arch/x86/crypto/crc32c-intel_glue.c:165 Read of size 8 at addr ffff888066a79600 by task syz.3.230/4537 CPU: 0 PID: 4537 Comm: syz.3.230 Not tainted 5.15.162-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 crc32c_intel_le_hw arch/x86/crypto/crc32c-intel_glue.c:67 [inline] crc32c_pcl_intel_update+0x120/0x270 arch/x86/crypto/crc32c-intel_glue.c:165 crypto_shash_update+0x1db/0x2a0 crypto/shash.c:131 crc32c+0xeb/0x1b0 lib/libcrc32c.c:47 xlog_cksum+0xe6/0x150 fs/xfs/xfs_log.c:1799 xlog_recover_process+0x83/0x2d0 fs/xfs/xfs_log_recover.c:2870 xlog_do_recovery_pass+0x8f3/0xec0 fs/xfs/xfs_log_recover.c:3198 xlog_verify_head+0x21b/0x590 fs/xfs/xfs_log_recover.c:1065 xlog_find_tail+0x9de/0xe30 fs/xfs/xfs_log_recover.c:1326 xlog_recover+0xd9/0x530 fs/xfs/xfs_log_recover.c:3374 xfs_log_mount+0x3d9/0x720 fs/xfs/xfs_log.c:716 xfs_mountfs+0xba8/0x1ce0 fs/xfs/xfs_mount.c:764 xfs_fs_fill_super+0x11b4/0x1400 fs/xfs/xfs_super.c:1676 get_tree_bdev+0x3fe/0x620 fs/super.c:1312 vfs_get_tree+0x88/0x270 fs/super.c:1517 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 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: 0033:0x7fa1e67b02da Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fa1e522ee78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa1e522ef00 RCX: 00007fa1e67b02da RDX: 0000000020009600 RSI: 0000000020009640 RDI: 00007fa1e522eec0 RBP: 0000000020009600 R08: 00007fa1e522ef00 R09: 0000000000000840 R10: 0000000000000840 R11: 0000000000000206 R12: 0000000020009640 R13: 00007fa1e522eec0 R14: 000000000000968d R15: 00000000200000c0 Allocated by task 4537: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc_node+0x199/0x390 mm/slub.c:4455 kmalloc_node include/linux/slab.h:614 [inline] kvmalloc_node+0x80/0x140 mm/util.c:619 xlog_do_recovery_pass+0x18d/0xec0 xlog_verify_head+0x21b/0x590 fs/xfs/xfs_log_recover.c:1065 xlog_find_tail+0x9de/0xe30 fs/xfs/xfs_log_recover.c:1326 xlog_recover+0xd9/0x530 fs/xfs/xfs_log_recover.c:3374 xfs_log_mount+0x3d9/0x720 fs/xfs/xfs_log.c:716 xfs_mountfs+0xba8/0x1ce0 fs/xfs/xfs_mount.c:764 xfs_fs_fill_super+0x11b4/0x1400 fs/xfs/xfs_super.c:1676 get_tree_bdev+0x3fe/0x620 fs/super.c:1312 vfs_get_tree+0x88/0x270 fs/super.c:1517 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 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 The buggy address belongs to the object at ffff888066a79400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes to the right of 512-byte region [ffff888066a79400, ffff888066a79600) The buggy address belongs to the page: page:ffffea00019a9e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x66a78 head:ffffea00019a9e00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888011c41c80 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3512, ts 43600409315, free_ts 10792765272 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5423 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xbb/0x4b0 mm/slub.c:1975 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc_trace+0x1a0/0x290 mm/slub.c:3245 kmalloc include/linux/slab.h:591 [inline] kzalloc include/linux/slab.h:721 [inline] mca_alloc net/ipv6/mcast.c:880 [inline] __ipv6_dev_mc_inc+0x426/0xa80 net/ipv6/mcast.c:936 ipv6_add_dev+0xd53/0x1180 net/ipv6/addrconf.c:467 addrconf_notify+0x671/0xf30 net/ipv6/addrconf.c:3578 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:2018 [inline] call_netdevice_notifiers_extack net/core/dev.c:2030 [inline] call_netdevice_notifiers+0x145/0x1b0 net/core/dev.c:2044 register_netdevice+0x12e8/0x1720 net/core/dev.c:10388 veth_newlink+0x72e/0xe20 drivers/net/veth.c:1683 __rtnl_newlink net/core/rtnetlink.c:3501 [inline] rtnl_newlink+0x14bd/0x2070 net/core/rtnetlink.c:3549 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5629 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1352 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page+0x95/0x2d0 mm/page_alloc.c:3396 free_contig_range+0x95/0xf0 mm/page_alloc.c:9342 destroy_args+0xfe/0x980 mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x40d/0x470 mm/debug_vm_pgtable.c:1331 do_one_initcall+0x22b/0x7a0 init/main.c:1302 do_initcall_level+0x157/0x210 init/main.c:1375 do_initcalls+0x49/0x90 init/main.c:1391 kernel_init_freeable+0x425/0x5c0 init/main.c:1615 kernel_init+0x19/0x290 init/main.c:1506 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Memory state around the buggy address: ffff888066a79500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888066a79580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888066a79600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888066a79680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888066a79700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================