ci starts bisection 2022-10-31 06:04:40.017566799 +0000 UTC m=+113296.571638167 bisecting cause commit starting from b229b6ca5abbd63ff40c1396095b1b36b18139c3 building syzkaller on 2a71366bacf3bf9a3a1a149e631fb15a7d0f2077 ensuring issue is reproducible on original commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 testing commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1546dca67bf92ba6cd650fc0cf288dad4bc83fea9ab408ab89682fd395f2c03a all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 71a857a1fa94e5dc346aa5ba3a0bef95c3052ab9773c24d0f08491047fbe1c55 all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3f41ac97fd512f1478b3e9b5e36338fbfaa2e7d3e06c28b0e993c770716632e4 all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 193f11e182c262975c26f11ececcb6c64142d38010844b60dd18be2c49a21b7d all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8bfb03a0e591b0600f2e0a23f29196448ac1e59931a33e8b17aa6cd571a739d5 all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 09828482613e1cf452280fe1709f726fd8c2da50cf2de3ae830dad5142feb12e all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0f6195d9cc8af7cecd9d94ca62744c1eb98b651abb94221f04b04868119c10ce all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b38df3eac2e922cd02c0769c2ba2dfefebf421d416331f30fa6458027d42a0bd all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8bdfd5818c8e64e9e4b730254ea75d022cdafa2ebb62f525ba2ede67749c06b9 all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d8657548252436b1a711b2d05ff88a568a9650ae0a1361eb7be1672753281bd1 all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: fa8e42bb18124cbda38a4113e30e28665504c87eef69a3a08909e70f8363bc18 all runs: OK # git bisect start 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 f40ddce88593482919761f74910f42f4b84c004b Bisecting: 6798 revisions left to test after this (roughly 13 steps) [d99676af540c2dc829999928fb81c58c80a1dce4] Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm testing commit d99676af540c2dc829999928fb81c58c80a1dce4 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9c18826cfd3ddb3ee828ee0e4c93c35bae99d3ac4496312ef35cfd3a7dd8eb8d run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect good d99676af540c2dc829999928fb81c58c80a1dce4 Bisecting: 3476 revisions left to test after this (roughly 12 steps) [69264b4a43aff7307283e2bae29e9305ab6b7d47] sparc: sparc64_defconfig: remove duplicate CONFIGs testing commit 69264b4a43aff7307283e2bae29e9305ab6b7d47 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 96792fd4da134cd9fe321b36896fe9890d9fe1ff46f4cbb099967d5355217c2a run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect good 69264b4a43aff7307283e2bae29e9305ab6b7d47 Bisecting: 1737 revisions left to test after this (roughly 11 steps) [f296bfd5cd04cbb49b8fc9585adc280ab2b58624] Merge tag 'nfs-for-5.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs testing commit f296bfd5cd04cbb49b8fc9585adc280ab2b58624 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0de55ba91037c1adaf39fd91c4a8b77bf1764800207747d357e39868a7b1002c run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad f296bfd5cd04cbb49b8fc9585adc280ab2b58624 Bisecting: 875 revisions left to test after this (roughly 10 steps) [efba6d3a7c4bb59f0750609fae0f9644d82304b6] Merge tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block testing commit efba6d3a7c4bb59f0750609fae0f9644d82304b6 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6bff1271980fed436204280b8ae7e2b53bca07a770fb5cc628dd41aff8c85cb5 run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad efba6d3a7c4bb59f0750609fae0f9644d82304b6 Bisecting: 431 revisions left to test after this (roughly 9 steps) [64427985c76fcb54c783de617edf353009499a03] lib: stackdepot: fix ignoring return value warning testing commit 64427985c76fcb54c783de617edf353009499a03 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0c90cf2a7d76acebde5d43836bbbf7f21e8d3d2cd13df1a327ac7a8a1a8fc63c run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 64427985c76fcb54c783de617edf353009499a03 Bisecting: 233 revisions left to test after this (roughly 8 steps) [6c15f9e805f22566d7547551f359aba04b611f9d] Merge tag 'nds32-for-linux-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux testing commit 6c15f9e805f22566d7547551f359aba04b611f9d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e85f3b04b8f92140f7c11a2aea779bfbcf46c8f43234e13380a2657a09a24a74 run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 6c15f9e805f22566d7547551f359aba04b611f9d Bisecting: 98 revisions left to test after this (roughly 7 steps) [858bdeb046f6dc7a79039d577d03e4d2b39272b7] kasan: add proper page allocator tests testing commit 858bdeb046f6dc7a79039d577d03e4d2b39272b7 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8aa2f250357073dffcc4ddd023e14e4014e6742a2c0610ac933927676f3d0d1a run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #9: boot failed: WARNING in kvm_wait # git bisect bad 858bdeb046f6dc7a79039d577d03e4d2b39272b7 Bisecting: 48 revisions left to test after this (roughly 6 steps) [6986c3e2b19505e9b2112fc2e548e9f99fa3021f] mm: backing-dev: Remove duplicated macro definition testing commit 6986c3e2b19505e9b2112fc2e548e9f99fa3021f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: fce15b5a19620ef693f601d1315446ec79a3c57bcc78ba51e6a1fdd8c39c5526 run #0: crashed: WARNING in kvm_wait run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 6986c3e2b19505e9b2112fc2e548e9f99fa3021f Bisecting: 24 revisions left to test after this (roughly 5 steps) [91f5345afbc6b58d79b5c5d0bc915fa83e9d238e] mm/debug: improve memcg debugging testing commit 91f5345afbc6b58d79b5c5d0bc915fa83e9d238e gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7b82c61bc4993e140d9ed40832691817a081662cf45f0de02eb758f99c0317ff run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect good 91f5345afbc6b58d79b5c5d0bc915fa83e9d238e Bisecting: 12 revisions left to test after this (roughly 4 steps) [f32b5dd721fb8861f3c1b8e7c06ac978236d0236] mm/filemap: inline __wait_on_page_locked_async into caller testing commit f32b5dd721fb8861f3c1b8e7c06ac978236d0236 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f02a2b1847ed4bc78ac153d36e1b0d2446ae08c89f4f5d57c01a63b9654194c4 run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad f32b5dd721fb8861f3c1b8e7c06ac978236d0236 Bisecting: 5 revisions left to test after this (roughly 3 steps) [3a6bae48390d25a9937978a6c09ccc400b6efcbd] mm/filemap: rename generic_file_buffered_read subfunctions testing commit 3a6bae48390d25a9937978a6c09ccc400b6efcbd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d15534d36a1315628e5986ec3be366f4082b99f9ff206e330dfb772b50145976 run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect good 3a6bae48390d25a9937978a6c09ccc400b6efcbd Bisecting: 2 revisions left to test after this (roughly 2 steps) [cbd59c48ae2bcadc4a7599c29cf32fd3f9b78251] mm/filemap: use head pages in generic_file_buffered_read testing commit cbd59c48ae2bcadc4a7599c29cf32fd3f9b78251 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 283adb2660093f939097c679c760e6155e920248efde78f5a62c71ae0cf0e0a1 run #0: crashed: WARNING in kvm_wait run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #9: crashed: WARNING in btrfs_space_info_update_bytes_may_use # git bisect bad cbd59c48ae2bcadc4a7599c29cf32fd3f9b78251 Bisecting: 0 revisions left to test after this (roughly 1 step) [ff993ba130009b1b8afb06206887e1e1f5b34591] mm/filemap: convert filemap_get_pages to take a pagevec testing commit ff993ba130009b1b8afb06206887e1e1f5b34591 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5ab4fb9ab54c6fddd14c2b237b33ccaf21e74cd84e89583ff92e3e87822123d1 run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #9: boot failed: WARNING in kvm_wait # git bisect bad ff993ba130009b1b8afb06206887e1e1f5b34591 Bisecting: 0 revisions left to test after this (roughly 0 steps) [0c7c575df56b957390206deb018c41acbb412159] mm/filemap: remove dynamically allocated array from filemap_read testing commit 0c7c575df56b957390206deb018c41acbb412159 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f6c27b435976b3c4791e5d380b8491f6447334247bbc55949b378debdf78bb99 run #0: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #5: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #6: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #7: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 0c7c575df56b957390206deb018c41acbb412159 0c7c575df56b957390206deb018c41acbb412159 is the first bad commit commit 0c7c575df56b957390206deb018c41acbb412159 Author: Matthew Wilcox (Oracle) Date: Wed Feb 24 12:01:52 2021 -0800 mm/filemap: remove dynamically allocated array from filemap_read Increasing the batch size runs into diminishing returns. It's probably better to make, eg, three calls to filemap_get_pages() than it is to call into kmalloc(). Link: https://lkml.kernel.org/r/20210122160140.223228-3-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig Reviewed-by: Miaohe Lin Cc: Kent Overstreet Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds mm/filemap.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) culprit signature: f6c27b435976b3c4791e5d380b8491f6447334247bbc55949b378debdf78bb99 parent signature: d15534d36a1315628e5986ec3be366f4082b99f9ff206e330dfb772b50145976 revisions tested: 25, total time: 5h45m29.369852255s (build: 2h46m4.878865459s, test: 2h53m24.08118675s) first bad commit: 0c7c575df56b957390206deb018c41acbb412159 mm/filemap: remove dynamically allocated array from filemap_read recipients (to): ["akpm@linux-foundation.org" "hch@lst.de" "linmiaohe@huawei.com" "torvalds@linux-foundation.org" "willy@infradead.org"] recipients (cc): [] crash: WARNING in btrfs_space_info_update_bytes_may_use ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5806 at fs/btrfs/space-info.h:122 btrfs_space_info_update_bytes_may_use+0x312/0x500 fs/btrfs/space-info.h:122 Modules linked in: CPU: 0 PID: 5806 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:122 [inline] RIP: 0010:btrfs_space_info_update_bytes_may_use+0x312/0x500 fs/btrfs/space-info.h:122 Code: 04 26 dc ff 65 ff 0d ad 71 f8 7c 0f 85 5f fd ff ff e8 e1 bd f6 fd e9 55 fd ff ff 48 89 e8 48 f7 d8 48 39 c2 0f 83 eb fd ff ff <0f> 0b 31 ed e9 e5 fd ff ff 48 8d 7b 18 be ff ff ff ff e8 87 b2 25 RSP: 0018:ffffc900016cfc20 EFLAGS: 00010287 RAX: 00000000000d0000 RBX: ffff88801eb45000 RCX: 0000000000000001 RDX: 00000000000c0000 RSI: ffffffff888ac880 RDI: ffffffff88de0fa0 RBP: fffffffffff30000 R08: 0000000000000000 R09: ffffffff8c31aa0f R10: fffffbfff1863541 R11: 00000000000d0000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801eb45060 R15: 0000000000000000 FS: 0000555556232400(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000014fbb000 CR4: 0000000000350ef0 Call Trace: btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:154 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:150 [inline] btrfs_block_rsv_release+0x3e3/0x670 fs/btrfs/block-rsv.c:294 btrfs_release_global_block_rsv+0x19/0x200 fs/btrfs/block-rsv.c:450 btrfs_free_block_groups+0x537/0xb20 fs/btrfs/block-group.c:3415 close_ctree+0x5ea/0x68d fs/btrfs/disk-io.c:4318 generic_shutdown_super+0x126/0x320 fs/super.c:464 kill_anon_super+0x31/0x50 fs/super.c:1056 btrfs_kill_super+0x33/0x50 fs/btrfs/super.c:2353 deactivate_locked_super+0x7b/0x130 fs/super.c:335 cleanup_mnt+0x326/0x4c0 fs/namespace.c:1149 task_work_run+0xc0/0x160 kernel/task_work.c:140 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:174 [inline] exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f90dea06a17 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcec8f98c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f90dea06a17 RDX: 00007ffcec8f999a RSI: 000000000000000a RDI: 00007ffcec8f9990 RBP: 00007ffcec8f9990 R08: 00000000ffffffff R09: 00007ffcec8f9760 R10: 00005555562338b3 R11: 0000000000000246 R12: 00007f90dea5f826 R13: 00007ffcec8faa50 R14: 0000555556233810 R15: 00007ffcec8faa90