general protection fault, probably for non-canonical address 0xe26011dbbc9a804b: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x1300aedde4d40258-0x1300aedde4d4025f]
CPU: 1 PID: 3720 Comm: syz.1.10680 Tainted: G        W         5.10.238-syzkaller-00008-g59e9a7228857 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:get_disk_and_module block/genhd.c:1789 [inline]
RIP: 0010:exact_lock+0x4b/0xc0 block/genhd.c:677
Code: 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 58 f7 6d ff 4d 8b 36 4d 85 f6 74 35 49 83 c6 68 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 36 f7 6d ff 4d 8b 36 4d 85 f6 74
RSP: 0018:ffffc90000b778d0 EFLAGS: 00010206
RAX: 026015dbbc9a804b RBX: ffff888109682000 RCX: 0000000000080000
RDX: ffffc90004d28000 RSI: 000000000000033d RDI: 000000000000033e
RBP: ffffc90000b778e8 R08: dffffc0000000000 R09: fffff5200016ef11
R10: fffff5200016ef11 R11: 1ffff9200016ef10 R12: ffff888109682000
R13: 0000000000700003 R14: 1300aedde4d40258 R15: dffffc0000000000
FS:  00007fe7c20d06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffdfa50000 CR3: 000000010b318000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kobj_lookup+0x298/0x430 drivers/base/map.c:119
 get_gendisk+0xe9/0x340 block/genhd.c:1001
 bdev_get_gendisk fs/block_dev.c:1110 [inline]
 __blkdev_get+0x1b0/0x12f0 fs/block_dev.c:1474
 blkdev_get fs/block_dev.c:1653 [inline]
 blkdev_get_by_path+0x253/0x470 fs/block_dev.c:1690
 mount_bdev+0x50/0x3a0 fs/super.c:1400
 vfat_mount+0x34/0x40 fs/fat/namei_vfat.c:1057
 legacy_get_tree+0xed/0x190 fs/fs_context.c:593
 vfs_get_tree+0x89/0x260 fs/super.c:1572
 do_new_mount+0x25a/0xa20 fs/namespace.c:2915
 path_mount+0x572/0xc80 fs/namespace.c:3245
 do_mount fs/namespace.c:3258 [inline]
 __do_sys_mount fs/namespace.c:3466 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3443
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3443
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe7c3a67929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe7c20d0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe7c3c8efa0 RCX: 00007fe7c3a67929
RDX: 0000200000001200 RSI: 00002000000000c0 RDI: 00002000000001c0
RBP: 00007fe7c3ae9b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe7c3c8efa0 R15: 00007fff21f16408
Modules linked in:
---[ end trace e13970beb332623b ]---
RIP: 0010:get_disk_and_module block/genhd.c:1789 [inline]
RIP: 0010:exact_lock+0x4b/0xc0 block/genhd.c:677
Code: 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 58 f7 6d ff 4d 8b 36 4d 85 f6 74 35 49 83 c6 68 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 36 f7 6d ff 4d 8b 36 4d 85 f6 74
RSP: 0018:ffffc90000b778d0 EFLAGS: 00010206
RAX: 026015dbbc9a804b RBX: ffff888109682000 RCX: 0000000000080000
RDX: ffffc90004d28000 RSI: 000000000000033d RDI: 000000000000033e
RBP: ffffc90000b778e8 R08: dffffc0000000000 R09: fffff5200016ef11
R10: fffff5200016ef11 R11: 1ffff9200016ef10 R12: ffff888109682000
R13: 0000000000700003 R14: 1300aedde4d40258 R15: dffffc0000000000
FS:  00007fe7c20d06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffdfa50000 CR3: 000000010b318000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 4c 89 f0          	add    %cl,-0x10(%rcx,%rcx,4)
   4:	48 c1 e8 03          	shr    $0x3,%rax
   8:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   d:	74 08                	je     0x17
   f:	4c 89 f7             	mov    %r14,%rdi
  12:	e8 58 f7 6d ff       	call   0xff6df76f
  17:	4d 8b 36             	mov    (%r14),%r14
  1a:	4d 85 f6             	test   %r14,%r14
  1d:	74 35                	je     0x54
  1f:	49 83 c6 68          	add    $0x68,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 36 f7 6d ff       	call   0xff6df76f
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	4d 85 f6             	test   %r14,%r14
  3f:	74                   	.byte 0x74