BTRFS error (device loop0: state M): unrecognized mount option 'ý ёC!dy:b㥒Bݲh+L/_:ϰpI[QPҿ;(X2\+V2 NIFAM.IJZu |ok __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x163/0x540 mm/kasan/report.c:475 kasan_report+0x142/0x170 mm/kasan/report.c:588 strlen+0x58/0x70 lib/string.c:418 getname_kernel+0x1d/0x2e0 fs/namei.c:226 kern_path+0x1d/0x50 fs/namei.c:2609 lookup_bdev block/bdev.c:979 [inline] bdev_open_by_path+0xd1/0x540 block/bdev.c:901 btrfs_init_dev_replace_tgtdev fs/btrfs/dev-replace.c:260 [inline] btrfs_dev_replace_start fs/btrfs/dev-replace.c:638 [inline] btrfs_dev_replace_by_ioctl+0x41b/0x2010 fs/btrfs/dev-replace.c:747 btrfs_ioctl_dev_replace+0x2c9/0x390 fs/btrfs/ioctl.c:3299 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f610587cba9 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:00007f61066010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f610599c050 RCX: 00007f610587cba9 RDX: 0000000020000540 RSI: 00000000ca289435 RDI: 0000000000000007 RBP: 00007f61058c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f610599c050 R15: 00007ffd99fb4408 Allocated by task 24174: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1007 [inline] __kmalloc_node_track_caller+0xb1/0x190 mm/slab_common.c:1027 memdup_user+0x2b/0xc0 mm/util.c:197 btrfs_ioctl_dev_replace+0xb8/0x390 fs/btrfs/ioctl.c:3286 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The buggy address belongs to the object at ffff888078188000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes to the right of allocated 2600-byte region [ffff888078188000, ffff888078188a28) The buggy address belongs to the physical page: page:ffffea0001e06200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78188 head:ffffea0001e06200 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888012c42140 ffffea0000cf1000 dead000000000002 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 9, tgid 9 (kworker/0:1), ts 1228627197365, free_ts 1220685913151 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0x33ea/0x3570 mm/page_alloc.c:3312 __alloc_pages+0x255/0x680 mm/page_alloc.c:4568 alloc_pages_mpol+0x3de/0x640 mm/mempolicy.c:2133 alloc_slab_page+0x6a/0x170 mm/slub.c:1870 allocate_slab mm/slub.c:2017 [inline] new_slab+0x84/0x2f0 mm/slub.c:2070 ___slab_alloc+0xc8a/0x1330 mm/slub.c:3223 __slab_alloc mm/slub.c:3322 [inline] __slab_alloc_node mm/slub.c:3375 [inline] slab_alloc_node mm/slub.c:3468 [inline] __kmem_cache_alloc_node+0x21d/0x300 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc_node_track_caller+0xa0/0x190 mm/slab_common.c:1027 kmalloc_reserve+0xf3/0x260 net/core/skbuff.c:582 __alloc_skb+0x1b1/0x420 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:748 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:805 [inline] nsim_dev_trap_report_work+0x250/0xa90 drivers/net/netdevsim/dev.c:850 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x931/0xa60 mm/page_alloc.c:2347 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487 __slab_free+0x2f6/0x390 mm/slub.c:3715 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:294 ____kasan_kmalloc mm/kasan/common.c:340 [inline] __kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:721 [inline] btrfs_alloc_workqueue+0x62/0x290 fs/btrfs/async-thread.c:89 btrfs_init_workqueues+0x103/0x740 fs/btrfs/disk-io.c:1957 open_ctree+0x11ec/0x2d90 fs/btrfs/disk-io.c:3333 btrfs_fill_super+0x1c7/0x2f0 fs/btrfs/super.c:1120 btrfs_mount_root+0x7ef/0x950 fs/btrfs/super.c:1481 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771 fc_mount fs/namespace.c:1114 [inline] vfs_kern_mount+0xbc/0x150 fs/namespace.c:1144 btrfs_mount+0x39f/0xb50 fs/btrfs/super.c:1541 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 Memory state around the buggy address: ffff888078188900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888078188980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888078188a00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ^ ffff888078188a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888078188b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================