loop0: detected capacity change from 0 to 32768
BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5330)
BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
BTRFS info (device loop0): disk space caching is enabled
BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
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): balance: start -d -m
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-13443-g56f944529ec2 #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
fail_dump lib/fault-inject.c:73 [inline]
should_fail_ex+0x424/0x570 lib/fault-inject.c:174
should_failslab+0xac/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4104 [inline]
slab_alloc_node mm/slub.c:4180 [inline]
kmem_cache_alloc_noprof+0x78/0x390 mm/slub.c:4207
btrfs_iget+0x210/0x2d0 fs/btrfs/inode.c:5683
create_reloc_inode+0x596/0xa50 fs/btrfs/relocation.c:3789
btrfs_relocate_block_group+0x554/0xd80 fs/btrfs/relocation.c:3991
btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3511
__btrfs_balance+0x1a93/0x25e0 fs/btrfs/volumes.c:4292
btrfs_balance+0xbde/0x10c0 fs/btrfs/volumes.c:4669
btrfs_ioctl_balance+0x3f5/0x660 fs/btrfs/ioctl.c:3586
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ec8d8d169
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:00007f0ec9ca2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0ec8fa5fa0 RCX: 00007f0ec8d8d169
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007f0ec9ca2090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f0ec8fa5fa0 R15: 00007ffeba29f408
BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000045: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000228-0x000000000000022f]
CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-13443-g56f944529ec2 #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:relocate_file_extent_cluster+0xe7/0x1750 fs/btrfs/relocation.c:2971
Code: 00 74 08 48 89 df e8 f8 36 24 fe 48 89 9c 24 30 01 00 00 4c 89 74 24 28 4d 8b 76 10 49 8d 9e 98 fe ff ff 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 ca 36 24 fe 4c 8b 3b 48 8b 44 24
RSP: 0018:ffffc9000d42f5e0 EFLAGS: 00010203
RAX: 0000000000000045 RBX: 000000000000022c RCX: ffff88800098a440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888044634000
RBP: ffffc9000d42f870 R08: ffffffff84089251 R09: 1ffff110068367ac
R10: dffffc0000000000 R11: ffffed10068367ad R12: dffffc0000000000
R13: ffffffff9368a020 R14: 0000000000000394 R15: ffff888044634000
FS: 00007f0ec9ca26c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77c1a64580 CR3: 0000000044548000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
relocate_block_group+0xa1e/0xd50 fs/btrfs/relocation.c:3657
btrfs_relocate_block_group+0x777/0xd80 fs/btrfs/relocation.c:4011
btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3511
__btrfs_balance+0x1a93/0x25e0 fs/btrfs/volumes.c:4292
btrfs_balance+0xbde/0x10c0 fs/btrfs/volumes.c:4669
btrfs_ioctl_balance+0x3f5/0x660 fs/btrfs/ioctl.c:3586
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ec8d8d169
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:00007f0ec9ca2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0ec8fa5fa0 RCX: 00007f0ec8d8d169
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007f0ec9ca2090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f0ec8fa5fa0 R15: 00007ffeba29f408
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:relocate_file_extent_cluster+0xe7/0x1750 fs/btrfs/relocation.c:2971
Code: 00 74 08 48 89 df e8 f8 36 24 fe 48 89 9c 24 30 01 00 00 4c 89 74 24 28 4d 8b 76 10 49 8d 9e 98 fe ff ff 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 ca 36 24 fe 4c 8b 3b 48 8b 44 24
RSP: 0018:ffffc9000d42f5e0 EFLAGS: 00010203
RAX: 0000000000000045 RBX: 000000000000022c RCX: ffff88800098a440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888044634000
RBP: ffffc9000d42f870 R08: ffffffff84089251 R09: 1ffff110068367ac
R10: dffffc0000000000 R11: ffffed10068367ad R12: dffffc0000000000
R13: ffffffff9368a020 R14: 0000000000000394 R15: ffff888044634000
FS: 00007f0ec9ca26c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bd1ae990b8 CR3: 0000000044548000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 74 08 48 add %dh,0x48(%rax,%rcx,1)
4: 89 df mov %ebx,%edi
6: e8 f8 36 24 fe call 0xfe243703
b: 48 89 9c 24 30 01 00 mov %rbx,0x130(%rsp)
12: 00
13: 4c 89 74 24 28 mov %r14,0x28(%rsp)
18: 4d 8b 76 10 mov 0x10(%r14),%r14
1c: 49 8d 9e 98 fe ff ff lea -0x168(%r14),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 48 89 df mov %rbx,%rdi
34: e8 ca 36 24 fe call 0xfe243703
39: 4c 8b 3b mov (%rbx),%r15
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 44 rex.R
3f: 24 .byte 0x24