R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 000000000000058b R14: 00000000004c8412 R15: 00007f59804656d4
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17256 Comm: kworker/u4:2 Not tainted 4.19.124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
EXT4-fs (loop3): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2031 [inline]
RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 5d f4 cf fb 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00
EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock
RSP: 0018:ffff88820ffdfb78 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88808faffac0 RCX: ffffffff851c5aaa
RDX: 000000000000001a RSI: ffffffff85979493 RDI: 00000000000000d0
RBP: 0000000000000000 R08: ffff88803e560600 R09: ffffed1015cc473b
R10: ffffed1015cc473a R11: ffff8880ae6239d3 R12: 0000000000000001
R13: 000000000000005e R14: ffff88808faffbb8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc8d0b9c30 CR3: 000000004dc78000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2111 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:451 [inline]
 bcsp_recv+0x7a2/0x1420 drivers/bluetooth/hci_bcsp.c:613
 hci_uart_tty_receive+0x21d/0x520 drivers/bluetooth/hci_ldisc.c:620
 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:460
 tty_port_default_receive_buf+0x78/0xa0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:476 [inline]
 flush_to_ldisc+0x21d/0x390 drivers/tty/tty_buffer.c:528
 process_one_work+0x892/0x1580 kernel/workqueue.c:2155
 worker_thread+0x96/0xe20 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
EXT4-fs (loop3): orphan cleanup on readonly fs
EXT4-fs error (device loop3): ext4_orphan_get:1257: comm syz-executor.3: bad orphan inode 3145728
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
Bluetooth: Can't allocate mem for new packet
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
---[ end trace a2e86a4a79991ea3 ]---
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2031 [inline]
RIP: 0010:skb_put+0x2b/0x190 net/core/skbuff.c:1697
Code: 56 41 55 41 54 41 89 f4 55 48 89 fd 53 e8 5d f4 cf fb 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 01 00 00 48 8d bd c8 00 00 00 4c 8b ad d0 00
RSP: 0018:ffff88820ffdfb78 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88808faffac0 RCX: ffffffff851c5aaa
RDX: 000000000000001a RSI: ffffffff85979493 RDI: 00000000000000d0
RBP: 0000000000000000 R08: ffff88803e560600 R09: ffffed1015cc473b
R10: ffffed1015cc473a R11: ffff8880ae6239d3 R12: 0000000000000001
R13: 000000000000005e R14: ffff88808faffbb8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005587ad0c78e8 CR3: 000000008aae8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400