R13: 000000000000055f R14: 00000000004c6aa3 R15: 0000000000000000 xt_HMARK: spi-set and port-set can't be combined kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access xt_HMARK: spi-set and port-set can't be combined general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc RIP: 0010:skb_put+0x35/0x1e0 net/core/skbuff.c:1697 Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 c8 00 00 00 48 83 ec 08 e8 9c c8 aa fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 58 RSP: 0018:ffff8880a996fb30 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888095d31040 RCX: ffffffff85407cb2 RDX: 0000000000000019 RSI: ffffffff85c04d24 RDI: 0000000000000000 RBP: ffff8880a996fb60 R08: ffff8880a995a600 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a23000 CR3: 0000000082cb7000 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+0xa0c/0x1430 drivers/bluetooth/hci_bcsp.c:613 hci_uart_tty_receive+0x225/0x530 drivers/bluetooth/hci_ldisc.c:620 tty_ldisc_receive_buf+0x15f/0x1c0 drivers/tty/tty_buffer.c:460 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:476 [inline] flush_to_ldisc+0x222/0x390 drivers/tty/tty_buffer.c:528 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 xt_HMARK: spi-set and port-set can't be combined worker_thread+0x98/0xe40 kernel/workqueue.c:2296 Bluetooth: Can't allocate mem for new packet kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace 6639e8272d66e097 ]--- RIP: 0010:skb_put+0x35/0x1e0 net/core/skbuff.c:1697 Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 c8 00 00 00 48 83 ec 08 e8 9c c8 aa fb 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 58 RSP: 0018:ffff8880a996fb30 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888095d31040 RCX: ffffffff85407cb2 RDX: 0000000000000019 RSI: ffffffff85c04d24 RDI: 0000000000000000 RBP: ffff8880a996fb60 R08: ffff8880a995a600 R09: ffffed1015d04733 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000c8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 xt_HMARK: spi-set and port-set can't be combined CR2: 00007fffcd3ae978 CR3: 000000008722a000 CR4: 00000000001406f0 x_tables: duplicate underflow at hook 2 CPU: 0 PID: 13281 Comm: syz-executor.1 Tainted: G D 4.19.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x2e2/0x750 mm/slab.c:3736