RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 0000000000000402 R14: 00000000004c6645 R15: 0000000000000009 block nbd5: Receive control failed (result -107) BUG: unable to handle kernel NULL pointer dereference at 0000000000000118 block nbd5: shutting down sockets PGD 54c13067 P4D 54c13067 PUD 4a1b1067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24108 Comm: syz-executor.0 Not tainted 4.19.108-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:set_bit arch/x86/include/asm/bitops.h:76 [inline] RIP: 0010:cpumask_set_cpu include/linux/cpumask.h:311 [inline] RIP: 0010:blk_mq_map_swqueue+0x295/0xa50 block/blk-mq.c:2344 Code: 03 80 3c 28 00 0f 85 cc 06 00 00 44 89 e6 bf 3f 00 00 00 4d 8b 3f e8 ba 9a 22 fe 41 83 fc 3f 0f 87 13 05 00 00 e8 3b 99 22 fe 4d 0f ab b7 18 01 00 00 49 8d bf 74 01 00 00 48 89 fa 48 c1 ea RSP: 0018:ffff888053e6f918 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880a3f8a0c0 RCX: ffffc90005e86000 RDX: 0000000000040000 RSI: ffffffff83450995 RDI: 0000000000000005 RBP: dffffc0000000000 R08: ffff8880341b86c0 R09: 0000000000000000 R10: ffffed100bb6fff0 R11: ffff88805db7ff83 R12: 0000000000000001 R13: ffffe8ffffd35380 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fe32f3c9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000118 CR3: 000000006c895000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blk_mq_queue_reinit block/blk-mq.c:2686 [inline] __blk_mq_update_nr_hw_queues block/blk-mq.c:3007 [inline] blk_mq_update_nr_hw_queues+0x565/0xad0 block/blk-mq.c:3021 batman_adv: Cannot find parent device nbd_start_device+0x1f3/0xd50 drivers/block/nbd.c:1200 nbd_start_device_ioctl drivers/block/nbd.c:1251 [inline] __nbd_ioctl drivers/block/nbd.c:1333 [inline] nbd_ioctl+0x3d7/0xb80 drivers/block/nbd.c:1373 device ip6gretap1824 entered promiscuous mode __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0xbf7/0x1a1c block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1894 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c4a9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe32f3c8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe32f3c96d4 RCX: 000000000045c4a9 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 0000000000000402 R14: 00000000004c6645 R15: 0000000000000009 Modules linked in: CR2: 0000000000000118 ---[ end trace cc73989a022d1cd3 ]--- RIP: 0010:set_bit arch/x86/include/asm/bitops.h:76 [inline] RIP: 0010:cpumask_set_cpu include/linux/cpumask.h:311 [inline] RIP: 0010:blk_mq_map_swqueue+0x295/0xa50 block/blk-mq.c:2344 Code: 03 80 3c 28 00 0f 85 cc 06 00 00 44 89 e6 bf 3f 00 00 00 4d 8b 3f e8 ba 9a 22 fe 41 83 fc 3f 0f 87 13 05 00 00 e8 3b 99 22 fe 4d 0f ab b7 18 01 00 00 49 8d bf 74 01 00 00 48 89 fa 48 c1 ea RSP: 0018:ffff888053e6f918 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880a3f8a0c0 RCX: ffffc90005e86000 block nbd5: Receive control failed (result -107) block nbd5: shutting down sockets block nbd1: shutting down sockets ip6t_srh: unknown srh match flags E203 RDX: 0000000000040000 RSI: ffffffff83450995 RDI: 0000000000000005 batman_adv: Cannot find parent device block nbd1: shutting down sockets device ip6gretap1825 entered promiscuous mode RBP: dffffc0000000000 R08: ffff8880341b86c0 R09: 0000000000000000 R10: ffffed100bb6fff0 R11: ffff88805db7ff83 R12: 0000000000000001 XFS (loop2): SB sanity check failed XFS (loop2): Metadata corruption detected at xfs_sb_read_verify+0x3f2/0x510 fs/xfs/libxfs/xfs_sb.c:685, xfs_sb block 0xffffffffffffffff R13: ffffe8ffffd35380 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fe32f3c9700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 XFS (loop2): Unmount and run xfs_repair XFS (loop2): First 128 bytes of corrupted metadata buffer: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000cf3c3e7c: 58 46 53 42 00 00 00 8e 5c 00 00 00 00 00 10 00 XFSB....\....... CR2: 000000000071d6b4 CR3: 000000006c895000 CR4: 00000000001406e0 0000000054b37e7d: 00 00 00 01 38 00 00 00 00 00 00 00 00 00 00 00 ....8........... DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 0000000060cd74f2: 34 fb 8f b9 e4 bf 48 b6 ad 26 c5 97 eb 4f 5c 19 4.....H..&...O\. DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 000000006a17abab: 00 00 00 00 00 00 00 04 00 00 00 00 00 00 0d 88 ................