loop0: detected capacity change from 0 to 32768 BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5327) BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm BTRFS info (device loop0): using free-space-tree BTRFS info (device loop0): rebuilding free space tree FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller-00095-g2eb959eeecc6 #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] __kmalloc_cache_noprof+0x73/0x370 mm/slub.c:4357 kmalloc_noprof include/linux/slab.h:905 [inline] ulist_add_merge+0x18c/0x4b0 fs/btrfs/ulist.c:223 add_extent_changeset fs/btrfs/extent-io-tree.c:216 [inline] clear_state_bit+0x171/0x370 fs/btrfs/extent-io-tree.c:583 __clear_extent_bit+0x614/0xb00 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x5e6/0xb20 fs/btrfs/qgroup.c:4365 alloc_ordered_extent+0xe7/0x5e0 fs/btrfs/ordered-data.c:160 btrfs_alloc_ordered_extent+0x1e4/0xa60 fs/btrfs/ordered-data.c:-1 nocow_one_range fs/btrfs/inode.c:1993 [inline] run_delalloc_nocow+0xcde/0x1a60 fs/btrfs/inode.c:2211 writepage_delalloc+0xc7e/0x1430 fs/btrfs/extent_io.c:1426 extent_writepage fs/btrfs/extent_io.c:1757 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2422 [inline] btrfs_writepages+0x1555/0x25f0 fs/btrfs/extent_io.c:2555 do_writepages+0x364/0x890 mm/page-writeback.c:2656 filemap_fdatawrite_wbc mm/filemap.c:386 [inline] __filemap_fdatawrite_range mm/filemap.c:419 [inline] filemap_fdatawrite_range+0x217/0x2c0 mm/filemap.c:437 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3701 btrfs_wait_ordered_range+0x59/0x260 fs/btrfs/ordered-data.c:911 btrfs_fallocate+0xba9/0x2020 fs/btrfs/file.c:3008 vfs_fallocate+0x627/0x7a0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xbc/0x110 fs/open.c:365 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: 0033:0x7f124518d169 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:00007f1245f55038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f12453a5fa0 RCX: 00007f124518d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f1245f55090 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000001000f4 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f12453a5fa0 R15: 00007fffc4c67aa8 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:584! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller-00095-g2eb959eeecc6 #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:clear_state_bit+0x365/0x370 fs/btrfs/extent-io-tree.c:584 Code: 12 fe e9 88 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 26 b8 12 fe e9 a3 fe ff ff e8 3c 90 a8 fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d4eeab0 EFLAGS: 00010293 RAX: ffffffff841ad534 RBX: 00000000fffffff4 RCX: ffff8880002e0000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff841ad34c R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1dcbd8f R12: ffffc9000d4eecb8 R13: ffff88804da41a80 R14: 0000000000001000 R15: 0000000000000000 FS: 00007f1245f556c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560e9cfe4338 CR3: 00000000411be000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __clear_extent_bit+0x614/0xb00 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x5e6/0xb20 fs/btrfs/qgroup.c:4365 alloc_ordered_extent+0xe7/0x5e0 fs/btrfs/ordered-data.c:160 btrfs_alloc_ordered_extent+0x1e4/0xa60 fs/btrfs/ordered-data.c:-1 nocow_one_range fs/btrfs/inode.c:1993 [inline] run_delalloc_nocow+0xcde/0x1a60 fs/btrfs/inode.c:2211 writepage_delalloc+0xc7e/0x1430 fs/btrfs/extent_io.c:1426 extent_writepage fs/btrfs/extent_io.c:1757 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2422 [inline] btrfs_writepages+0x1555/0x25f0 fs/btrfs/extent_io.c:2555 do_writepages+0x364/0x890 mm/page-writeback.c:2656 filemap_fdatawrite_wbc mm/filemap.c:386 [inline] __filemap_fdatawrite_range mm/filemap.c:419 [inline] filemap_fdatawrite_range+0x217/0x2c0 mm/filemap.c:437 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3701 btrfs_wait_ordered_range+0x59/0x260 fs/btrfs/ordered-data.c:911 btrfs_fallocate+0xba9/0x2020 fs/btrfs/file.c:3008 vfs_fallocate+0x627/0x7a0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xbc/0x110 fs/open.c:365 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: 0033:0x7f124518d169 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:00007f1245f55038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f12453a5fa0 RCX: 00007f124518d169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f1245f55090 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000001000f4 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f12453a5fa0 R15: 00007fffc4c67aa8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_state_bit+0x365/0x370 fs/btrfs/extent-io-tree.c:584 Code: 12 fe e9 88 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 26 b8 12 fe e9 a3 fe ff ff e8 3c 90 a8 fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d4eeab0 EFLAGS: 00010293 RAX: ffffffff841ad534 RBX: 00000000fffffff4 RCX: ffff8880002e0000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff841ad34c R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1dcbd8f R12: ffffc9000d4eecb8 R13: ffff88804da41a80 R14: 0000000000001000 R15: 0000000000000000 FS: 00007f1245f556c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560e9cfe4338 CR3: 00000000411be000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400