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 (5329) 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 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #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] __kmalloc_cache_noprof+0x6c/0x2c0 mm/slub.c:4290 kmalloc_noprof include/linux/slab.h:879 [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+0x170/0x370 fs/btrfs/extent-io-tree.c:583 __clear_extent_bit+0x51c/0xc20 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x5a9/0xab0 fs/btrfs/qgroup.c:4374 alloc_ordered_extent+0x112/0x5d0 fs/btrfs/ordered-data.c:168 btrfs_alloc_ordered_extent+0x1e4/0xa70 cow_file_range+0x8f2/0x11f0 fs/btrfs/inode.c:1447 btrfs_run_delalloc_range+0x33d/0xf70 fs/btrfs/inode.c:2303 writepage_delalloc+0x8aa/0xc70 fs/btrfs/extent_io.c:1239 extent_writepage fs/btrfs/extent_io.c:1499 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2194 [inline] btrfs_writepages+0x1157/0x2370 fs/btrfs/extent_io.c:2325 do_writepages+0x35f/0x880 mm/page-writeback.c:2683 filemap_fdatawrite_wbc mm/filemap.c:398 [inline] __filemap_fdatawrite_range mm/filemap.c:431 [inline] filemap_fdatawrite_range+0x215/0x2c0 mm/filemap.c:449 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3719 btrfs_wait_ordered_range+0x59/0x260 fs/btrfs/ordered-data.c:898 btrfs_fallocate+0xb68/0x2000 fs/btrfs/file.c:3026 vfs_fallocate+0x569/0x6e0 fs/open.c:327 do_vfs_ioctl+0x258c/0x2e40 fs/ioctl.c:885 __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x80/0x170 fs/ioctl.c:892 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: 0033:0x7f8b7937e759 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:00007f8b7a19d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8b79535f80 RCX: 00007f8b7937e759 RDX: 0000000020000140 RSI: 0000000040305828 RDI: 0000000000000004 RBP: 00007f8b7a19d090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f8b79535f80 R15: 00007ffd854a3af8 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:584! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #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:clear_state_bit+0x364/0x370 fs/btrfs/extent-io-tree.c:584 Code: 1f fe e9 89 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 c7 dd 1f fe e9 a3 fe ff ff e8 9d d3 b5 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d20e5b8 EFLAGS: 00010293 RAX: ffffffff83df1643 RBX: 00000000fffffff4 RCX: ffff88801f1cc880 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff83df145b R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1d4adab R12: ffffc9000d20e7b8 R13: ffff8880422a9d80 R14: 0000000000001000 R15: 0000000000000000 FS: 00007f8b7a19d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562d16b64338 CR3: 000000004faf2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __clear_extent_bit+0x51c/0xc20 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x5a9/0xab0 fs/btrfs/qgroup.c:4374 alloc_ordered_extent+0x112/0x5d0 fs/btrfs/ordered-data.c:168 btrfs_alloc_ordered_extent+0x1e4/0xa70 cow_file_range+0x8f2/0x11f0 fs/btrfs/inode.c:1447 btrfs_run_delalloc_range+0x33d/0xf70 fs/btrfs/inode.c:2303 writepage_delalloc+0x8aa/0xc70 fs/btrfs/extent_io.c:1239 extent_writepage fs/btrfs/extent_io.c:1499 [inline] extent_write_cache_pages fs/btrfs/extent_io.c:2194 [inline] btrfs_writepages+0x1157/0x2370 fs/btrfs/extent_io.c:2325 do_writepages+0x35f/0x880 mm/page-writeback.c:2683 filemap_fdatawrite_wbc mm/filemap.c:398 [inline] __filemap_fdatawrite_range mm/filemap.c:431 [inline] filemap_fdatawrite_range+0x215/0x2c0 mm/filemap.c:449 btrfs_fdatawrite_range+0x53/0xe0 fs/btrfs/file.c:3719 btrfs_wait_ordered_range+0x59/0x260 fs/btrfs/ordered-data.c:898 btrfs_fallocate+0xb68/0x2000 fs/btrfs/file.c:3026 vfs_fallocate+0x569/0x6e0 fs/open.c:327 do_vfs_ioctl+0x258c/0x2e40 fs/ioctl.c:885 __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x80/0x170 fs/ioctl.c:892 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: 0033:0x7f8b7937e759 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:00007f8b7a19d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8b79535f80 RCX: 00007f8b7937e759 RDX: 0000000020000140 RSI: 0000000040305828 RDI: 0000000000000004 RBP: 00007f8b7a19d090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f8b79535f80 R15: 00007ffd854a3af8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_state_bit+0x364/0x370 fs/btrfs/extent-io-tree.c:584 Code: 1f fe e9 89 fd ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b0 fe ff ff 48 89 ef e8 c7 dd 1f fe e9 a3 fe ff ff e8 9d d3 b5 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d20e5b8 EFLAGS: 00010293 RAX: ffffffff83df1643 RBX: 00000000fffffff4 RCX: ffff88801f1cc880 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff83df145b R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1d4adab R12: ffffc9000d20e7b8 R13: ffff8880422a9d80 R14: 0000000000001000 R15: 0000000000000000 FS: 00007f8b7a19d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562d16b64338 CR3: 000000004faf2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400