getblk(): invalid block size 512 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #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
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
__getblk_slow fs/buffer.c:1120 [inline]
bdev_getblk+0x590/0x670 fs/buffer.c:1431
__getblk include/linux/buffer_head.h:379 [inline]
sb_getblk include/linux/buffer_head.h:385 [inline]
ocfs2_create_refcount_tree+0x6ea/0x1250 fs/ocfs2/refcounttree.c:606
ocfs2_reflink_remap_blocks+0x2ea/0x1930 fs/ocfs2/refcounttree.c:4646
ocfs2_remap_file_range+0x4b7/0x730 fs/ocfs2/file.c:2740
vfs_copy_file_range+0xd53/0x1310 fs/read_write.c:1589
__do_sys_copy_file_range fs/read_write.c:1675 [inline]
__se_sys_copy_file_range+0x319/0x460 fs/read_write.c:1642
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0be9b8e969
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:00007f0beaa41038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f0be9db6240 RCX: 00007f0be9b8e969
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f0be9c10ab1 R08: fffffbffa003f458 R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0be9db6240 R15: 00007ffe370475f8
(syz.0.0,5340,0):ocfs2_create_refcount_tree:609 ERROR: status = -12
(syz.0.0,5340,0):ocfs2_reflink_remap_blocks:4648 ERROR: status = -12
(syz.0.0,5340,0):ocfs2_remap_file_range:2747 ERROR: status = -12
(syz.0.0,5340,0):ocfs2_extend_trans:438 ERROR: status = -30
(syz.0.0,5340,0):ocfs2_try_to_merge_extent:3817 ERROR: status = -30
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #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:jbd2_handle_buffer_credits include/linux/jbd2.h:-1 [inline]
RIP: 0010:ocfs2_assure_trans_credits+0x7d/0x370 fs/ocfs2/journal.c:457
Code: 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 57 7a 87 fe 4d 8b 3e eb 08 e8 fd 84 25 fe 4d 89 f7 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 34 7a 87 fe 4d 8b 3f 49 8d 7e 10
RSP: 0018:ffffc9000d5c6c68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000d RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 000000000004e997 RDI: 000000000004e998
RBP: 0000000000000000 R08: ffff88801f182440 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff92001ab8da0
R13: dffffc0000000000 R14: ffff888043396580 R15: 0000000000000000
FS: 00007f0beaa416c0(0000) GS:ffff88808d2a3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0beaa1ffc8 CR3: 000000003ec46000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ocfs2_dio_end_io_write fs/ocfs2/aops.c:2342 [inline]
ocfs2_dio_end_io+0xafb/0x10f0 fs/ocfs2/aops.c:2401
dio_complete+0x258/0x790 fs/direct-io.c:281
__blockdev_direct_IO+0x2cd4/0x3310 fs/direct-io.c:1303
ocfs2_direct_IO+0x25f/0x2d0 fs/ocfs2/aops.c:2438
generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4037
__generic_file_write_iter+0x11d/0x230 mm/filemap.c:4206
ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469
iter_file_splice_write+0x937/0x1000 fs/splice.c:738
do_splice_from fs/splice.c:935 [inline]
direct_splice_actor+0xfe/0x160 fs/splice.c:1158
splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1102
do_splice_direct_actor fs/splice.c:1201 [inline]
do_splice_direct+0x181/0x270 fs/splice.c:1227
vfs_copy_file_range+0xabc/0x1310 fs/read_write.c:1625
__do_sys_copy_file_range fs/read_write.c:1675 [inline]
__se_sys_copy_file_range+0x319/0x460 fs/read_write.c:1642
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0be9b8e969
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:00007f0beaa41038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f0be9db6240 RCX: 00007f0be9b8e969
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f0be9c10ab1 R08: fffffbffa003f458 R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0be9db6240 R15: 00007ffe370475f8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jbd2_handle_buffer_credits include/linux/jbd2.h:-1 [inline]
RIP: 0010:ocfs2_assure_trans_credits+0x7d/0x370 fs/ocfs2/journal.c:457
Code: 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 57 7a 87 fe 4d 8b 3e eb 08 e8 fd 84 25 fe 4d 89 f7 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 34 7a 87 fe 4d 8b 3f 49 8d 7e 10
RSP: 0018:ffffc9000d5c6c68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000d RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 000000000004e997 RDI: 000000000004e998
RBP: 0000000000000000 R08: ffff88801f182440 R09: 0000000000000006
R10: 00000000fffffffc R11: 0000000000000002 R12: 1ffff92001ab8da0
R13: dffffc0000000000 R14: ffff888043396580 R15: 0000000000000000
FS: 00007f0beaa416c0(0000) GS:ffff88808d2a3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb5b51c008 CR3: 000000003ec46000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 89 f0 mov %r14,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
c: 74 08 je 0x16
e: 4c 89 f7 mov %r14,%rdi
11: e8 57 7a 87 fe call 0xfe877a6d
16: 4d 8b 3e mov (%r14),%r15
19: eb 08 jmp 0x23
1b: e8 fd 84 25 fe call 0xfe25851d
20: 4d 89 f7 mov %r14,%r15
23: 4c 89 f8 mov %r15,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 ff mov %r15,%rdi
34: e8 34 7a 87 fe call 0xfe877a6d
39: 4d 8b 3f mov (%r15),%r15
3c: 49 8d 7e 10 lea 0x10(%r14),%rdi