nla_parse: 1 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. ------------[ cut here ]------------ kernel BUG at fs/btrfs/volumes.c:1057! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26106 Comm: syz-executor.0 Not tainted 4.19.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1057 [inline] RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1081 IPVS: ftp: loaded support on port[0] = 21 Code: 03 0f 8e 10 01 00 00 48 8b 44 24 10 c7 80 10 01 00 00 00 00 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 8c a5 71 fe <0f> 0b e8 85 a5 71 fe 0f 0b e8 7e 74 a7 fe e9 f8 fb ff ff 4c 89 f7 RSP: 0018:ffff888043f97840 EFLAGS: 00010246 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 RAX: 0000000000040000 RBX: ffff88809f88c4c0 RCX: ffffc90005c34000 RDX: 0000000000040000 RSI: ffffffff82f0dc94 RDI: 0000000000000007 RBP: ffff88808e468040 R08: 0000000000000000 R09: fffffffffffff000 R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88809f88c560 R14: ffff88809f88c4e0 R15: fffffffffffffff4 FS: 00007f50df83d700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055faff8f318f CR3: 00000000a57de000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: close_fs_devices fs/btrfs/volumes.c:1113 [inline] btrfs_close_devices+0x95/0x1f0 fs/btrfs/volumes.c:1099 btrfs_mount_root+0x10b9/0x1830 fs/btrfs/super.c:1630 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount+0x3c/0x60 fs/namespace.c:951 btrfs_mount+0x23a/0xaa0 fs/btrfs/super.c:1681 CPU: 1 PID: 26143 Comm: syz-executor.5 Not tainted 4.19.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x113c/0x2f10 fs/namespace.c:2799 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1588 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1192 [inline] netlink_sendmsg+0x9ee/0xc40 net/netlink/af_netlink.c:1886 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 entry_SYSCALL_64_after_hwframe+0x49/0xbe ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 RIP: 0033:0x467b0a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f50df83cfa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f50df83d000 RBP: 00007f50df83d040 R08: 00007f50df83d040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f50df83d000 R15: 0000000020000080 Modules linked in: __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f96b164e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007f96b164e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf93691ef R14: 00007f96b164e300 R15: 0000000000022000 ---[ end trace 1efb2895d0ed2f7c ]--- RIP: 0010:btrfs_close_one_device fs/btrfs/volumes.c:1057 [inline] RIP: 0010:close_fs_devices.part.0+0x674/0x860 fs/btrfs/volumes.c:1081 Code: 03 0f 8e 10 01 00 00 48 8b 44 24 10 c7 80 10 01 00 00 00 00 00 00 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 8c a5 71 fe <0f> 0b e8 85 a5 71 fe 0f 0b e8 7e 74 a7 fe e9 f8 fb ff ff 4c 89 f7 IPVS: ftp: loaded support on port[0] = 21 RSP: 0018:ffff888043f97840 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88809f88c4c0 RCX: ffffc90005c34000 RDX: 0000000000040000 RSI: ffffffff82f0dc94 RDI: 0000000000000007 RBP: ffff88808e468040 R08: 0000000000000000 R09: fffffffffffff000 R10: 0000000000000007 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88809f88c560 R14: ffff88809f88c4e0 R15: fffffffffffffff4 FS: 00007f50df83d700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055faff8a0160 CR3: 00000000a57de000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400