getblk(): invalid block size 512 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00032-ga79be02bba5c #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 lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
__getblk_slow fs/buffer.c:1120 [inline]
bdev_getblk+0x59c/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+0x88e/0x15a0 fs/ocfs2/refcounttree.c:606
ocfs2_reflink_remap_blocks+0x2f1/0x1f20 fs/ocfs2/refcounttree.c:4646
ocfs2_remap_file_range+0x67e/0x970 fs/ocfs2/file.c:2740
vfs_copy_file_range+0xe9d/0x1480 fs/read_write.c:1589
__do_sys_copy_file_range fs/read_write.c:1675 [inline]
__se_sys_copy_file_range+0x3fe/0x600 fs/read_write.c:1642
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4b7d8e969
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:00007fe4b8c20038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007fe4b7fb6240 RCX: 00007fe4b7d8e969
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007fe4b7e10ab1 R08: fffffbffa003f458 R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe4b7fb6240 R15: 00007ffe31de6e68
(syz.0.0,5333,0):ocfs2_create_refcount_tree:609 ERROR: status = -12
(syz.0.0,5333,0):ocfs2_reflink_remap_blocks:4648 ERROR: status = -12
(syz.0.0,5333,0):ocfs2_remap_file_range:2747 ERROR: status = -12
(syz.0.0,5333,0):ocfs2_extend_trans:438 ERROR: status = -30
(syz.0.0,5333,0):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: 5333 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00032-ga79be02bba5c #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+0x80/0x3a0 fs/ocfs2/journal.c:457
Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 25 21 65 fe 49 8b 1c 24 eb 08 e8 3a e7 fa fd 4c 89 e3 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 01 21 65 fe 48 8b 2b 49 8d 7c 24
RSP: 0018:ffffc9000d60eaa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000460c1 RDI: 00000000000460c2
RBP: ffff888044eccacc R08: ffffffff83c7d5bb R09: ffffffff83bc7fb3
R10: 0000000000000006 R11: ffff88801f62a440 R12: ffff888044eccaa8
R13: dffffc0000000000 R14: 000000000000000d R15: ffff8880530b7780
FS: 00007fe4b8c206c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe4b8bfdfb8 CR3: 0000000037a58000 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+0xc36/0x1330 fs/ocfs2/aops.c:2401
dio_complete+0x250/0x720 fs/direct-io.c:281
__blockdev_direct_IO+0x3baf/0x4540 fs/direct-io.c:1303
ocfs2_direct_IO+0x255/0x2c0 fs/ocfs2/aops.c:2438
generic_file_direct_write+0x1e8/0x400 mm/filemap.c:4037
__generic_file_write_iter+0x126/0x230 mm/filemap.c:4206
ocfs2_file_write_iter+0x190f/0x20d0 fs/ocfs2/file.c:2469
iter_file_splice_write+0xbdf/0x1530 fs/splice.c:738
do_splice_from fs/splice.c:935 [inline]
direct_splice_actor+0x11b/0x220 fs/splice.c:1158
splice_direct_to_actor+0x595/0xc90 fs/splice.c:1102
do_splice_direct_actor fs/splice.c:1201 [inline]
do_splice_direct+0x281/0x3d0 fs/splice.c:1227
vfs_copy_file_range+0xbb9/0x1480 fs/read_write.c:1625
__do_sys_copy_file_range fs/read_write.c:1675 [inline]
__se_sys_copy_file_range+0x3fe/0x600 fs/read_write.c:1642
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4b7d8e969
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:00007fe4b8c20038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007fe4b7fb6240 RCX: 00007fe4b7d8e969
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007fe4b7e10ab1 R08: fffffbffa003f458 R09: 0700000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe4b7fb6240 R15: 00007ffe31de6e68
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jbd2_handle_buffer_credits include/linux/jbd2.h:-1 [inline]
RIP: 0010:ocfs2_assure_trans_credits+0x80/0x3a0 fs/ocfs2/journal.c:457
Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 25 21 65 fe 49 8b 1c 24 eb 08 e8 3a e7 fa fd 4c 89 e3 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 01 21 65 fe 48 8b 2b 49 8d 7c 24
RSP: 0018:ffffc9000d60eaa8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000460c1 RDI: 00000000000460c2
RBP: ffff888044eccacc R08: ffffffff83c7d5bb R09: ffffffff83bc7fb3
R10: 0000000000000006 R11: ffff88801f62a440 R12: ffff888044eccaa8
R13: dffffc0000000000 R14: 000000000000000d R15: ffff8880530b7780
FS: 00007fe4b8c206c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe4b8bfdfb8 CR3: 0000000037a58000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 89 e0 mov %esp,%eax
2: 48 c1 e8 03 shr $0x3,%rax
6: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
b: 74 08 je 0x15
d: 4c 89 e7 mov %r12,%rdi
10: e8 25 21 65 fe call 0xfe65213a
15: 49 8b 1c 24 mov (%r12),%rbx
19: eb 08 jmp 0x23
1b: e8 3a e7 fa fd call 0xfdfae75a
20: 4c 89 e3 mov %r12,%rbx
23: 48 89 d8 mov %rbx,%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: 48 89 df mov %rbx,%rdi
34: e8 01 21 65 fe call 0xfe65213a
39: 48 8b 2b mov (%rbx),%rbp
3c: 49 rex.WB
3d: 8d .byte 0x8d
3e: 7c 24 jl 0x64