------------[ cut here ]------------
WARNING: CPU: 1 PID: 30353 at net/can/isotp.c:893 isotp_tx_timer_handler+0x1a9/0x2a0 net/can/isotp.c:893
Modules linked in:
CPU: 1 PID: 30353 Comm: syz-executor.3 Not tainted 5.18.0-rc2-syzkaller-00994-g53c33a16d068 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:isotp_tx_timer_handler+0x1a9/0x2a0 net/can/isotp.c:893
Code: 00 be 01 00 00 00 45 31 e4 e8 33 97 1f f9 e8 de 13 3e f9 44 89 e0 5b 5d 41 5c 41 5d c3 85 ed 0f 85 20 ff ff ff e8 c7 13 3e f9 <0f> 0b e8 c0 13 3e f9 45 31 e4 5b 44 89 e0 5d 41 5c 41 5d c3 e8 ae
RSP: 0018:ffffc900001e0e18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888028000568 RCX: 0000000000000100
RDX: ffff8880464a1d00 RSI: ffffffff883b07d9 RDI: 0000000000000003
RBP: 0000000000000000 R08: ffffffff8ae4e700 R09: ffffffff883b067b
R10: 0000000000000003 R11: 0000000000000000 R12: ffff8880280107b8
R13: ffff8880b9d2a840 R14: ffff8880b9d2a5c0 R15: ffffffff883b0630
FS:  00005555572ba400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbe84adc960 CR3: 000000006a216000 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_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5609
Code: d1 a4 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc900035df9f8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920006bbf41 RCX: ffffffff815d52de
RDX: 1ffff11008c944eb RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff90033917
R10: fffffbfff2006722 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888077048090 R15: 0000000000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:349 [inline]
 browse_rb mm/mmap.c:357 [inline]
 validate_mm+0x438/0x800 mm/mmap.c:424
 __vma_adjust+0x1097/0x24a0 mm/mmap.c:1022
 vma_adjust include/linux/mm.h:2623 [inline]
 __split_vma+0x467/0x550 mm/mmap.c:2746
 split_vma+0x95/0xd0 mm/mmap.c:2778
 mprotect_fixup+0x689/0x950 mm/mprotect.c:488
 do_mprotect_pkey+0x532/0x980 mm/mprotect.c:650
 __do_sys_mprotect mm/mprotect.c:676 [inline]
 __se_sys_mprotect mm/mprotect.c:673 [inline]
 __x64_sys_mprotect+0x74/0xb0 mm/mprotect.c:673
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8ab90891f7
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff1e4370f8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 0000000000021000 RCX: 00007f8ab90891f7
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f8aba16c000
RBP: 00007fff1e4371d0 R08: 00000000ffffffff R09: 00007f8aba18b700
R10: 0000000000020022 R11: 0000000000000206 R12: 00007fff1e4372f0
R13: 00007f8aba18b700 R14: 0000000000000000 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	d1 a4 7e 83 f8 01 0f 	shll   0xf01f883(%rsi,%rdi,2)
   7:	85 b4 02 00 00 9c 58 	test   %esi,0x589c0000(%rdx,%rax,1)
   e:	f6 c4 02             	test   $0x2,%ah
  11:	0f 85 9f 02 00 00    	jne    0x2b6
  17:	48 83 7c 24 08 00    	cmpq   $0x0,0x8(%rsp)
  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 c3             	add    %rax,%rbx <-- trapping instruction
  2d:	48 c7 03 00 00 00 00 	movq   $0x0,(%rbx)
  34:	48 c7 43 08 00 00 00 	movq   $0x0,0x8(%rbx)
  3b:	00
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	84                   	.byte 0x84
  3f:	24                   	.byte 0x24