Bluetooth: hci5: command 0x0419 tx timeout
BUG: kernel NULL pointer dereference, address: 0000000000000040
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 6164 Comm: kworker/1:4 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
RIP: 0010:netif_running include/linux/netdevice.h:3590 [inline]
RIP: 0010:nsim_dev_trap_report_work+0x56/0x340 drivers/net/netdevsim/dev.c:608
Code: 80 f6 02 01 4c 8b bb 98 00 00 00 48 8d 83 98 00 00 00 48 89 44 24 18 49 39 c7 0f 84 a8 02 00 00 49 8b 87 38 02 00 00 48 8b 10 <48> 8b 52 40 83 e2 01 0f 84 83 02 00 00 4c 8b 68 08 4d 85 ed 0f 84
RSP: 0018:ffffc9000021fde8 EFLAGS: 00010216
RAX: ffff888116ebebc0 RBX: ffff8881168a2a80 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff84315614 RDI: 0000000000000000
RBP: ffffc9000021fec8 R08: ffffffff824df530 R09: 0000000000000000
R10: ffffc9000021fde8 R11: 0000000000000001 R12: ffff888237d31e00
R13: 0000000000000000 R14: ffff888116d40e00 R15: ffff888116e16800
FS:  0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000109249001 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x293/0x610 kernel/workqueue.c:2275
 worker_thread+0x38/0x380 kernel/workqueue.c:2421
 kthread+0x145/0x170 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
CR2: 0000000000000040
---[ end trace f759e34c0c6829c3 ]---
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
RIP: 0010:netif_running include/linux/netdevice.h:3590 [inline]
RIP: 0010:nsim_dev_trap_report_work+0x56/0x340 drivers/net/netdevsim/dev.c:608
Code: 80 f6 02 01 4c 8b bb 98 00 00 00 48 8d 83 98 00 00 00 48 89 44 24 18 49 39 c7 0f 84 a8 02 00 00 49 8b 87 38 02 00 00 48 8b 10 <48> 8b 52 40 83 e2 01 0f 84 83 02 00 00 4c 8b 68 08 4d 85 ed 0f 84
RSP: 0018:ffffc9000021fde8 EFLAGS: 00010216
RAX: ffff888116ebebc0 RBX: ffff8881168a2a80 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff84315614 RDI: 0000000000000000
RBP: ffffc9000021fec8 R08: ffffffff824df530 R09: 0000000000000000
R10: ffffc9000021fde8 R11: 0000000000000001 R12: ffff888237d31e00
R13: 0000000000000000 R14: ffff888116d40e00 R15: ffff888116e16800
FS:  0000000000000000(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 0000000109249001 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400