XFS (loop0): 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 ffff88807a4f4e00 by task syz.0.2016/9691 CPU: 0 PID: 9691 Comm: syz.0.2016 Not tainted 5.15.161-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: 0033:0x7f734de4643a 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:00007f734c8c4e78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f734c8c4f00 RCX: 00007f734de4643a RDX: 0000000020009600 RSI: 0000000020009640 RDI: 00007f734c8c4ec0 RBP: 0000000020009600 R08: 00007f734c8c4f00 R09: 0000000000000840 R10: 0000000000000840 R11: 0000000000000206 R12: 0000000020009640 R13: 00007f734c8c4ec0 R14: 000000000000968d R15: 00000000200000c0 Allocated by task 9691: 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 Last potentially related work creation: kasan_save_stack+0x36/0x60 mm/kasan/common.c:38 kasan_record_aux_stack+0xba/0x100 mm/kasan/generic.c:348 kvfree_call_rcu+0x118/0x8a0 kernel/rcu/tree.c:3596 drop_sysctl_table+0x317/0x460 fs/proc/proc_sysctl.c:1680 drop_sysctl_table+0x329/0x460 fs/proc/proc_sysctl.c:1683 unregister_sysctl_table+0x88/0x130 fs/proc/proc_sysctl.c:1718 neigh_sysctl_unregister+0x74/0x90 net/core/neighbour.c:3732 devinet_sysctl_unregister net/ipv4/devinet.c:2642 [inline] inetdev_destroy net/ipv4/devinet.c:324 [inline] inetdev_event+0x814/0x1490 net/ipv4/devinet.c:1598 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 net/core/dev.c:2044 [inline] unregister_netdevice_many+0xf1b/0x18f0 net/core/dev.c:11094 ip6gre_exit_batch_net+0x415/0x460 net/ipv6/ip6_gre.c:1650 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x763/0xb60 net/core/net_namespace.c:599 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 The buggy address belongs to the object at ffff88807a4f4c00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes to the right of 512-byte region [ffff88807a4f4c00, ffff88807a4f4e00) The buggy address belongs to the page: page:ffffea0001e93d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807a4f4000 pfn:0x7a4f4 head:ffffea0001e93d00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea000195fe00 0000000200000002 ffff888011c41c80 raw: ffff88807a4f4000 000000008010000b 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 3503, ts 51689595520, free_ts 22792191975 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] __kmalloc_node_track_caller+0x1f6/0x390 mm/slub.c:4958 kmalloc_reserve net/core/skbuff.c:356 [inline] __alloc_skb+0x12c/0x590 net/core/skbuff.c:427 alloc_skb include/linux/skbuff.h:1167 [inline] alloc_uevent_skb+0x74/0x220 lib/kobject_uevent.c:290 uevent_net_broadcast_tagged lib/kobject_uevent.c:351 [inline] kobject_uevent_net_broadcast+0x178/0x560 lib/kobject_uevent.c:412 kobject_uevent_env+0x567/0x8d0 lib/kobject_uevent.c:593 rx_queue_add_kobject net/core/net-sysfs.c:1070 [inline] net_rx_queue_update_kobjects+0x215/0x470 net/core/net-sysfs.c:1110 register_queue_kobjects net/core/net-sysfs.c:1767 [inline] netdev_register_kobject+0x222/0x310 net/core/net-sysfs.c:2018 register_netdevice+0x108c/0x1720 net/core/dev.c:10357 ip6gre_newlink_common+0x426/0x630 net/ipv6/ip6_gre.c:2005 ip6gre_newlink+0x1cc/0x540 net/ipv6/ip6_gre.c:2036 __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 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 do_slab_free mm/slub.c:3487 [inline] ___cache_free+0xe3/0x100 mm/slub.c:3506 qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x53/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] __kmalloc+0x120/0x300 mm/slub.c:4403 kmalloc include/linux/slab.h:596 [inline] tomoyo_realpath_from_path+0xd8/0x5e0 security/tomoyo/realpath.c:254 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x22c/0x490 security/tomoyo/file.c:771 security_file_open+0x5f/0xa0 security/security.c:1668 do_dentry_open+0x315/0xfb0 fs/open.c:813 do_open fs/namei.c:3608 [inline] path_openat+0x2705/0x2f20 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13b/0x500 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1280 Memory state around the buggy address: ffff88807a4f4d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88807a4f4d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88807a4f4e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88807a4f4e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807a4f4f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================