loop0: detected capacity change from 0 to 32768
btrfs: Deprecated parameter 'usebackuproot'
BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5318)
BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
BTRFS info (device loop0): using crc32c (crc32c-lib) checksum algorithm
BTRFS info (device loop0): rebuilding free space tree
BTRFS info (device loop0): disabling free space tree
BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): turning off barriers
BTRFS info (device loop0): turning on flush-on-commit
BTRFS info (device loop0): force clearing of disk cache
BTRFS info (device loop0): trying to use backup root at mount time
BTRFS info (device loop0): use zlib compression, level 3
Bluetooth: MGMT ver 1.23
loop0: detected capacity change from 32768 to 64
BTRFS info (device loop0): scrub: started on devid 1
syz.0.0: attempt to access beyond end of device
loop0: rw=2048, sector=128, nr_sectors = 8 limit=64
assertion failed: !folio_test_partial_kmap(folio) :: 0, in fs/btrfs/scrub.c:697
------------[ cut here ]------------
kernel BUG at fs/btrfs/scrub.c:697!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:scrub_stripe_get_kaddr+0x1bb/0x1c0 fs/btrfs/scrub.c:697
Code: 0f 0b e8 d8 dc d8 fd 48 c7 c7 e0 f2 af 8b 48 c7 c6 20 05 b0 8b 31 d2 48 c7 c1 a0 f3 af 8b 41 b8 b9 02 00 00 e8 76 1a 40 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3
RSP: 0018:ffffc9000d4d70d0 EFLAGS: 00010246
RAX: 000000000000004f RBX: ffff8880126c0010 RCX: 2e9ae7a86110af00
RDX: ffffc9000e3c2000 RSI: 000000000001ef37 RDI: 000000000001ef38
RBP: 000000000000000c R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880126c0010 R15: 000000000000000c
FS:  00007f3eca1766c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3eca154fc8 CR3: 000000001a09f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 scrub_bio_add_sector fs/btrfs/scrub.c:932 [inline]
 scrub_submit_initial_read+0xf21/0x1120 fs/btrfs/scrub.c:1897
 submit_initial_group_read+0x423/0x5b0 fs/btrfs/scrub.c:1952
 flush_scrub_stripes+0x18f/0x1150 fs/btrfs/scrub.c:1973
 scrub_stripe+0xbea/0x2a30 fs/btrfs/scrub.c:2516
 scrub_chunk+0x2a3/0x430 fs/btrfs/scrub.c:2575
 scrub_enumerate_chunks+0xa70/0x1350 fs/btrfs/scrub.c:2839
 btrfs_scrub_dev+0x6e7/0x10e0 fs/btrfs/scrub.c:3153
 btrfs_ioctl_scrub+0x249/0x4b0 fs/btrfs/ioctl.c:3163
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ec938eec9
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:00007f3eca176038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3ec95e5fa0 RCX: 00007f3ec938eec9
RDX: 0000200000000000 RSI: 00000000c400941b RDI: 000000000000000b
RBP: 00007f3ec9411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3ec95e6038 R14: 00007f3ec95e5fa0 R15: 00007ffd794d0f18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:scrub_stripe_get_kaddr+0x1bb/0x1c0 fs/btrfs/scrub.c:697
Code: 0f 0b e8 d8 dc d8 fd 48 c7 c7 e0 f2 af 8b 48 c7 c6 20 05 b0 8b 31 d2 48 c7 c1 a0 f3 af 8b 41 b8 b9 02 00 00 e8 76 1a 40 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3
RSP: 0018:ffffc9000d4d70d0 EFLAGS: 00010246
RAX: 000000000000004f RBX: ffff8880126c0010 RCX: 2e9ae7a86110af00
RDX: ffffc9000e3c2000 RSI: 000000000001ef37 RDI: 000000000001ef38
RBP: 000000000000000c R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880126c0010 R15: 000000000000000c
FS:  00007f3eca1766c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595d4cc3168 CR3: 000000001a09f000 CR4: 0000000000352ef0