bcachefs (loop0): dropping and reconstructing all alloc info
bcachefs (loop0): accounting_read... done
bcachefs (loop0): alloc_read... done
bcachefs (loop0): stripes_read... done
bcachefs (loop0): snapshots_read... done
bcachefs (loop0): check_allocations... done
bcachefs (loop0): going read-write
bcachefs (loop0): done starting filesystem
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00047-g4236f913808c #0
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:53 [inline]
should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154
should_failslab+0xac/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4038 [inline]
slab_alloc_node mm/slub.c:4114 [inline]
__do_kmalloc_node mm/slub.c:4263 [inline]
__kmalloc_node_track_caller_noprof+0xda/0x440 mm/slub.c:4283
__do_krealloc mm/slab_common.c:1220 [inline]
krealloc_noprof+0x88/0x120 mm/slab_common.c:1269
bch2_printbuf_make_room+0x1f1/0x350 fs/bcachefs/printbuf.c:59
bch2_prt_vprintf+0x25b/0x700 fs/bcachefs/printbuf.c:169
__bch2_fsck_err+0x2c2/0x1570 fs/bcachefs/error.c:266
bch2_bucket_ref_update+0x8ae/0x12d0 fs/bcachefs/buckets.c:469
__mark_pointer fs/bcachefs/buckets.c:551 [inline]
bch2_trigger_pointer fs/bcachefs/buckets.c:590 [inline]
__trigger_extent+0x1173/0x4fa0 fs/bcachefs/buckets.c:740
bch2_trigger_extent+0x585/0xaa0 fs/bcachefs/buckets.c:869
bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline]
run_one_trans_trigger fs/bcachefs/btree_trans_commit.c:507 [inline]
run_btree_triggers+0xc91/0x1270 fs/bcachefs/btree_trans_commit.c:540
bch2_trans_commit_run_triggers fs/bcachefs/btree_trans_commit.c:572 [inline]
__bch2_trans_commit+0x369/0x93c0 fs/bcachefs/btree_trans_commit.c:1057
bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
bch2_extent_update+0x4c0/0xbb0 fs/bcachefs/io_write.c:325
bch2_write_index_default fs/bcachefs/io_write.c:373 [inline]
__bch2_write_index+0xed2/0x2140 fs/bcachefs/io_write.c:526
bch2_write_data_inline fs/bcachefs/io_write.c:1559 [inline]
bch2_write+0x101a/0x1760 fs/bcachefs/io_write.c:1630
closure_queue include/linux/closure.h:270 [inline]
closure_call include/linux/closure.h:432 [inline]
bch2_writepage_do_io fs/bcachefs/fs-io-buffered.c:449 [inline]
bch2_writepages+0x27d/0x380 fs/bcachefs/fs-io-buffered.c:641
do_writepages+0x35d/0x870 mm/page-writeback.c:2683
filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:398
__filemap_fdatawrite_range mm/filemap.c:431 [inline]
filemap_write_and_wait_range+0x192/0x280 mm/filemap.c:685
bchfs_truncate+0x78d/0xc90
notify_change+0xbca/0xe90 fs/attr.c:503
do_truncate+0x220/0x310 fs/open.c:65
vfs_truncate+0x2e1/0x3b0 fs/open.c:111
do_sys_truncate+0xdb/0x190 fs/open.c:134
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f93e477e719
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:00007f93e558e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f93e4935f80 RCX: 00007f93e477e719
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 00000000200000c0
RBP: 00007f93e558e090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f93e4935f80 R15: 00007ffd8521bf18
Oops: general protection fault, probably for non-canonical address 0xdffffc001fffffff: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x00000000fffffff8-0x00000000ffffffff]
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.12.0-rc5-syzkaller-00047-g4236f913808c #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__bch2_fsck_err+0x30f/0x1570 fs/bcachefs/error.c:270
Code: 4c 8d 7b 0c 4d 89 fc 49 c1 ec 03 43 8a 04 2c 84 c0 0f 85 c9 10 00 00 8b 9c 24 0c 01 00 00 ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 c8 10 00 00 0f b6 1b bf 3f 00 00 00 89 de
RSP: 0018:ffffc9000d0bdb20 EFLAGS: 00010207
RAX: 000000001fffffff RBX: 00000000ffffffff RCX: ffff888000cdc880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffffc9000d0bdce0 R08: ffffffff844432ad R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1d4a42b R12: 1ffff92001a17b85
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d0bdc2c
FS: 00007f93e558e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a69bc8580 CR3: 000000003e7be000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bch2_bucket_ref_update+0x8ae/0x12d0 fs/bcachefs/buckets.c:469
__mark_pointer fs/bcachefs/buckets.c:551 [inline]
bch2_trigger_pointer fs/bcachefs/buckets.c:590 [inline]
__trigger_extent+0x1173/0x4fa0 fs/bcachefs/buckets.c:740
bch2_trigger_extent+0x585/0xaa0 fs/bcachefs/buckets.c:869
bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline]
run_one_trans_trigger fs/bcachefs/btree_trans_commit.c:507 [inline]
run_btree_triggers+0xc91/0x1270 fs/bcachefs/btree_trans_commit.c:540
bch2_trans_commit_run_triggers fs/bcachefs/btree_trans_commit.c:572 [inline]
__bch2_trans_commit+0x369/0x93c0 fs/bcachefs/btree_trans_commit.c:1057
bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
bch2_extent_update+0x4c0/0xbb0 fs/bcachefs/io_write.c:325
bch2_write_index_default fs/bcachefs/io_write.c:373 [inline]
__bch2_write_index+0xed2/0x2140 fs/bcachefs/io_write.c:526
bch2_write_data_inline fs/bcachefs/io_write.c:1559 [inline]
bch2_write+0x101a/0x1760 fs/bcachefs/io_write.c:1630
closure_queue include/linux/closure.h:270 [inline]
closure_call include/linux/closure.h:432 [inline]
bch2_writepage_do_io fs/bcachefs/fs-io-buffered.c:449 [inline]
bch2_writepages+0x27d/0x380 fs/bcachefs/fs-io-buffered.c:641
do_writepages+0x35d/0x870 mm/page-writeback.c:2683
filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:398
__filemap_fdatawrite_range mm/filemap.c:431 [inline]
filemap_write_and_wait_range+0x192/0x280 mm/filemap.c:685
bchfs_truncate+0x78d/0xc90
notify_change+0xbca/0xe90 fs/attr.c:503
do_truncate+0x220/0x310 fs/open.c:65
vfs_truncate+0x2e1/0x3b0 fs/open.c:111
do_sys_truncate+0xdb/0x190 fs/open.c:134
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f93e477e719
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:00007f93e558e038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f93e4935f80 RCX: 00007f93e477e719
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 00000000200000c0
RBP: 00007f93e558e090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f93e4935f80 R15: 00007ffd8521bf18
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bch2_fsck_err+0x30f/0x1570 fs/bcachefs/error.c:270
Code: 4c 8d 7b 0c 4d 89 fc 49 c1 ec 03 43 8a 04 2c 84 c0 0f 85 c9 10 00 00 8b 9c 24 0c 01 00 00 ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 c8 10 00 00 0f b6 1b bf 3f 00 00 00 89 de
RSP: 0018:ffffc9000d0bdb20 EFLAGS: 00010207
RAX: 000000001fffffff RBX: 00000000ffffffff RCX: ffff888000cdc880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffffc9000d0bdce0 R08: ffffffff844432ad R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1d4a42b R12: 1ffff92001a17b85
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d0bdc2c
FS: 00007f93e558e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93e556d9a0 CR3: 000000003e7be000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 8d 7b 0c lea 0xc(%rbx),%r15
4: 4d 89 fc mov %r15,%r12
7: 49 c1 ec 03 shr $0x3,%r12
b: 43 8a 04 2c mov (%r12,%r13,1),%al
f: 84 c0 test %al,%al
11: 0f 85 c9 10 00 00 jne 0x10e0
17: 8b 9c 24 0c 01 00 00 mov 0x10c(%rsp),%ebx
1e: ff cb dec %ebx
20: 4c 01 f3 add %r14,%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 8a 04 28 mov (%rax,%r13,1),%al <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 c8 10 00 00 jne 0x10fe
36: 0f b6 1b movzbl (%rbx),%ebx
39: bf 3f 00 00 00 mov $0x3f,%edi
3e: 89 de mov %ebx,%esi