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-rc7-syzkaller-00152-gd0c22de9995b #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_lvl+0x189/0x250 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x414/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4100 [inline] slab_alloc_node mm/slub.c:4176 [inline] __kmalloc_cache_noprof+0x70/0x3d0 mm/slub.c:4353 kmalloc_noprof include/linux/slab.h:905 [inline] ulist_add_merge+0x18e/0x4b0 fs/btrfs/ulist.c:223 add_extent_changeset fs/btrfs/extent-io-tree.c:216 [inline] clear_state_bit+0x175/0x380 fs/btrfs/extent-io-tree.c:583 __clear_extent_bit+0x60e/0xec0 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4365 alloc_ordered_extent+0xc5/0x570 fs/btrfs/ordered-data.c:160 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1 btrfs_create_dio_extent+0x7c/0x160 fs/btrfs/direct-io.c:153 btrfs_get_blocks_direct_write+0x3b1/0xc20 fs/btrfs/direct-io.c:277 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:525 iomap_iter+0x537/0xdf0 fs/iomap/iter.c:109 __iomap_dio_rw+0xc67/0x1e40 fs/iomap/direct-io.c:733 btrfs_dio_write fs/btrfs/direct-io.c:775 [inline] btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:896 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1380 iter_file_splice_write+0x93a/0x1000 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0xfe/0x160 fs/splice.c:1158 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1227 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f364078e969 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:00007f3641597038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f36409b5fa0 RCX: 00007f364078e969 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007 RBP: 00007f3641597090 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f36409b5fa0 R15: 00007ffd477a9ae8 ------------[ 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-rc7-syzkaller-00152-gd0c22de9995b #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+0x37b/0x380 fs/btrfs/extent-io-tree.c:584 Code: fe e9 77 fd ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ad fe ff ff 4c 89 e7 e8 f0 af 3d fe e9 a0 fe ff ff e8 f6 b4 db fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 RSP: 0018:ffffc9000d54e9b8 EFLAGS: 00010293 RAX: ffffffff83e43cda RBX: ffff88803ebc7300 RCX: ffff88801c2e0000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1c0bd97 R12: 00000000fffffff4 R13: 0000000000000fff R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f36415976c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000004353f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __clear_extent_bit+0x60e/0xec0 fs/btrfs/extent-io-tree.c:752 clear_record_extent_bits+0x4d/0x90 fs/btrfs/extent-io-tree.c:1829 __btrfs_qgroup_release_data+0x21c/0xa20 fs/btrfs/qgroup.c:4365 alloc_ordered_extent+0xc5/0x570 fs/btrfs/ordered-data.c:160 btrfs_alloc_ordered_extent+0x200/0xab0 fs/btrfs/ordered-data.c:-1 btrfs_create_dio_extent+0x7c/0x160 fs/btrfs/direct-io.c:153 btrfs_get_blocks_direct_write+0x3b1/0xc20 fs/btrfs/direct-io.c:277 btrfs_dio_iomap_begin+0xa58/0x1030 fs/btrfs/direct-io.c:525 iomap_iter+0x537/0xdf0 fs/iomap/iter.c:109 __iomap_dio_rw+0xc67/0x1e40 fs/iomap/direct-io.c:733 btrfs_dio_write fs/btrfs/direct-io.c:775 [inline] btrfs_direct_write+0x749/0xb10 fs/btrfs/direct-io.c:896 btrfs_do_write_iter+0x25f/0x710 fs/btrfs/file.c:1380 iter_file_splice_write+0x93a/0x1000 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0xfe/0x160 fs/splice.c:1158 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1227 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f364078e969 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:00007f3641597038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f36409b5fa0 RCX: 00007f364078e969 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000007 RBP: 00007f3641597090 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000200201005 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f36409b5fa0 R15: 00007ffd477a9ae8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_state_bit+0x37b/0x380 fs/btrfs/extent-io-tree.c:584 Code: fe e9 77 fd ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ad fe ff ff 4c 89 e7 e8 f0 af 3d fe e9 a0 fe ff ff e8 f6 b4 db fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 RSP: 0018:ffffc9000d54e9b8 EFLAGS: 00010293 RAX: ffffffff83e43cda RBX: ffff88803ebc7300 RCX: ffff88801c2e0000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 0000000000001000 R08: 0000000000000820 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1c0bd97 R12: 00000000fffffff4 R13: 0000000000000fff R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f36415976c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000004353f000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400