general protection fault, probably for non-canonical address 0xdffffc00000000c5: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000628-0x000000000000062f]
CPU: 1 PID: 7417 Comm: systemd-udevd Not tainted 5.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bdev_read_page+0x2c/0x240 fs/block_dev.c:718
Code: 00 00 00 00 00 fc ff df 41 57 41 56 49 89 d6 41 55 41 54 55 48 8d af 28 06 00 00 48 89 ea 53 48 89 fb 48 c1 ea 03 48 83 ec 10 <80> 3c 02 00 48 89 34 24 0f 85 a3 01 00 00 4c 8b a3 28 06 00 00 48
RSP: 0018:ffffc900044d7448 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 00000000000000c5 RSI: fff88f26e3000000 RDI: 0000000000000000
RBP: 0000000000000628 R08: 0000000000000001 R09: ffffea0004042c47
R10: fffff94000808588 R11: 0000000000000000 R12: ffffc900044d7658
R13: fff88f26e3000000 R14: ffffea0004042c40 R15: 0000000000000000
FS:  00007f373510b8c0(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc8ea1cd80 CR3: 000000011ac54005 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_mpage_readpage+0xd59/0x18c0 fs/mpage.c:302
 mpage_readahead+0x2c0/0x6c0 fs/mpage.c:389
 read_pages+0x1b0/0x7c0 mm/readahead.c:130
 page_cache_ra_unbounded+0x443/0x7b0 mm/readahead.c:238
 do_page_cache_ra mm/readahead.c:267 [inline]
 force_page_cache_ra+0x2dd/0x540 mm/readahead.c:298
 page_cache_sync_readahead include/linux/pagemap.h:840 [inline]
 filemap_get_pages+0x248/0x1410 mm/filemap.c:2375
 filemap_read+0x261/0xb50 mm/filemap.c:2458
 call_read_iter include/linux/fs.h:1971 [inline]
 new_sync_read+0x35a/0x5f0 fs/read_write.c:415
 vfs_read+0x264/0x470 fs/read_write.c:496
 ksys_read+0xf4/0x1d0 fs/read_write.c:634
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3734251210
Code: 73 01 c3 48 8b 0d 98 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d b9 c1 20 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24
RSP: 002b:00007ffc8ea1f448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055ebd77823a0 RCX: 00007f3734251210
RDX: 0000000000000400 RSI: 000055ebd77823c8 RDI: 000000000000000f
RBP: 000055ebd777da40 R08: 00007f373423bf78 R09: 0000000000000430
R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 000055ebd777da90 R15: 0000000000000400
Modules linked in:
---[ end trace 1ae66ee1b9711ece ]---
RIP: 0010:bdev_read_page+0x2c/0x240 fs/block_dev.c:718
Code: 00 00 00 00 00 fc ff df 41 57 41 56 49 89 d6 41 55 41 54 55 48 8d af 28 06 00 00 48 89 ea 53 48 89 fb 48 c1 ea 03 48 83 ec 10 <80> 3c 02 00 48 89 34 24 0f 85 a3 01 00 00 4c 8b a3 28 06 00 00 48
RSP: 0018:ffffc900044d7448 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014
RDX: 00000000000000c5 RSI: fff88f26e3000000 RDI: 0000000000000000
RBP: 0000000000000628 R08: 0000000000000001 R09: ffffea0004042c47
R10: fffff94000808588 R11: 0000000000000000 R12: ffffc900044d7658
R13: fff88f26e3000000 R14: ffffea0004042c40 R15: 0000000000000000
FS:  00007f373510b8c0(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000536db8 CR3: 000000011ac54001 CR4: 00000000001706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400