------------[ cut here ]------------
WARNING: CPU: 1 PID: 9445 at net/can/isotp.c:893 isotp_tx_timer_handler+0x1a9/0x2a0 net/can/isotp.c:893
Modules linked in:
CPU: 1 PID: 9445 Comm: kworker/u4:21 Not tainted 5.18.0-rc1-syzkaller-00290-gf1b45d8ccb98 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker

RIP: 0010:isotp_tx_timer_handler+0x1a9/0x2a0 net/can/isotp.c:893
Code: 00 be 01 00 00 00 45 31 e4 e8 23 2d 1f f9 e8 4e ae 3d f9 44 89 e0 5b 5d 41 5c 41 5d c3 85 ed 0f 85 20 ff ff ff e8 37 ae 3d f9 <0f> 0b e8 30 ae 3d f9 45 31 e4 5b 44 89 e0 5d 41 5c 41 5d c3 e8 1e
RSP: 0018:ffffc900003f8e18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888082980568 RCX: 0000000000000100
RDX: ffff88804141e040 RSI: ffffffff883aa7e9 RDI: 0000000000000003
RBP: 0000000000000000 R08: ffffffff8ae436c0 R09: ffffffff883aa68b
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8880829907b8
R13: ffff8880b9d2a880 R14: ffff8880b9d2a600 R15: ffffffff883aa640
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e108ae9db0 CR3: 0000000043f9f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_release+0x3f1/0x720 kernel/locking/lockdep.c:5649
Code: 7e 83 f8 01 0f 85 8d 01 00 00 9c 58 f6 c4 02 0f 85 78 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90003b87bc0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: ccda151a3d81206a RCX: ffffc90003b87c10
RDX: 1ffff11008283d52 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff92000770f7a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000003 R14: ffff88804141ea98 R15: ffff88804141e040
 rcu_lock_release include/linux/rcupdate.h:273 [inline]
 rcu_read_unlock include/linux/rcupdate.h:727 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
 batadv_nc_worker+0x86b/0xfa0 net/batman-adv/network-coding.c:719
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
----------------
Code disassembly (best guess):
   0:	7e 83                	jle    0xffffff85
   2:	f8                   	clc
   3:	01 0f                	add    %ecx,(%rdi)
   5:	85 8d 01 00 00 9c    	test   %ecx,-0x63ffffff(%rbp)
   b:	58                   	pop    %rax
   c:	f6 c4 02             	test   $0x2,%ah
   f:	0f 85 78 01 00 00    	jne    0x18d
  15:	48 f7 04 24 00 02 00 	testq  $0x200,(%rsp)
  1c:	00
  1d:	74 01                	je     0x20
  1f:	fb                   	sti
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	48 01 c5             	add    %rax,%rbp <-- trapping instruction
  2d:	48 c7 45 00 00 00 00 	movq   $0x0,0x0(%rbp)
  34:	00
  35:	c7 45 08 00 00 00 00 	movl   $0x0,0x8(%rbp)
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24