------------[ cut here ]------------
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_pages_pte_range mm/vmalloc.c:476 [inline]
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_pages_pmd_range mm/vmalloc.c:499 [inline]
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_pages_pud_range mm/vmalloc.c:517 [inline]
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_pages_p4d_range mm/vmalloc.c:535 [inline]
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_small_pages_range_noflush mm/vmalloc.c:557 [inline]
WARNING: CPU: 1 PID: 2578 at mm/vmalloc.c:476 vmap_pages_range_noflush+0x633/0x8a0 mm/vmalloc.c:586
Modules linked in:
CPU: 1 PID: 2578 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmap_pages_pte_range mm/vmalloc.c:476 [inline]
RIP: 0010:vmap_pages_pmd_range mm/vmalloc.c:499 [inline]
RIP: 0010:vmap_pages_pud_range mm/vmalloc.c:517 [inline]
RIP: 0010:vmap_pages_p4d_range mm/vmalloc.c:535 [inline]
RIP: 0010:vmap_small_pages_range_noflush mm/vmalloc.c:557 [inline]
RIP: 0010:vmap_pages_range_noflush+0x633/0x8a0 mm/vmalloc.c:586
Code: c4 ff 4c 89 f0 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 62 02 00 00 4d 8b 2e e9 71 fd ff ff e8 4d bf c4 ff <0f> 0b 41 bc f4 ff ff ff e9 62 ff ff ff e8 3b bf c4 ff 31 ff 48 89
RSP: 0018:ffffc9000b0ff8e0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880001052c0 RCX: ffffc90010019000
RDX: 0000000000040000 RSI: ffffffff81b2a823 RDI: 0000000000000003
RBP: ffffea0000c0ce80 R08: 0000000000000000 R09: ffffc9001ff98000
R10: ffffffff81b2a662 R11: 000000000000003f R12: ffffc9002029e000
R13: 0007700000077000 R14: 8000000000000163 R15: ffffc90020258000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f4535b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032725000 CR3: 000000004fa16000 CR4: 00000000003526e0
Call Trace:
 vmap_pages_range mm/vmalloc.c:620 [inline]
 vmap+0x18a/0x2e0 mm/vmalloc.c:2755
 relay_alloc_buf kernel/relay.c:129 [inline]
 relay_create_buf kernel/relay.c:165 [inline]
 relay_open_buf.part.0+0x4ce/0xc00 kernel/relay.c:387
 relay_open_buf kernel/relay.c:384 [inline]
 relay_open kernel/relay.c:520 [inline]
 relay_open+0x4b2/0x9b0 kernel/relay.c:477
 do_blk_trace_setup+0x49c/0xc90 kernel/trace/blktrace.c:549
 __blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:589
 blk_trace_setup+0x43/0x60 kernel/trace/blktrace.c:607
 sg_ioctl_common drivers/scsi/sg.c:1123 [inline]
 sg_ioctl+0x257/0x2780 drivers/scsi/sg.c:1165
 compat_ptr_ioctl+0x67/0x90 fs/ioctl.c:910
 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6f3b549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f45355fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0481273
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi