ci starts bisection 2023-06-24 16:58:13.030925328 +0000 UTC m=+382558.692411743 bisecting fixing commit since 4bdec23f971b1a5caf7a18ae117e44bdfaf26c93 building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit 4bdec23f971b1a5caf7a18ae117e44bdfaf26c93 testing commit 4bdec23f971b1a5caf7a18ae117e44bdfaf26c93 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b4c1a5ee1bf7ab09174dd3f39f2d8c63988ec1248178d0633865caac3970a8b0 all runs: crashed: WARNING in btrfs_free_reserved_data_space_noquota testing current HEAD a92b7d26c743b9dc06d520f863d624e94978a1d9 testing commit a92b7d26c743b9dc06d520f863d624e94978a1d9 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4611810804e541e685498520b46cf1a77ffc652b2d495542864eb2d5a764765d all runs: crashed: WARNING in btrfs_space_info_update_bytes_may_use crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 26m36.544988679s (build: 19m1.707341749s, test: 6m35.645810851s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm crash: WARNING in btrfs_space_info_update_bytes_may_use ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5332 at fs/btrfs/space-info.h:198 btrfs_space_info_update_bytes_may_use+0x16c/0x3c0 fs/btrfs/space-info.h:198 Modules linked in: CPU: 0 PID: 5332 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x16c/0x3c0 fs/btrfs/space-info.h:198 Code: 0f 84 83 00 00 00 4d 85 f6 48 bb 00 00 00 00 00 fc ff df 79 23 41 80 3c 1f 00 74 08 4c 89 ef e8 8a fa 71 fe 4d 39 65 00 73 0e <0f> 0b 45 31 f6 41 80 3c 1f 00 75 1c eb 22 41 80 3c 1f 00 74 08 4c RSP: 0018:ffffc90004a0fa20 EFLAGS: 00010287 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff83529ad1 RDX: 0000000000000000 RSI: ffffffff8a382cc0 RDI: ffffffff8a382c80 RBP: 0000000000000005 R08: dffffc0000000000 R09: fffffbfff1a7dede R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000160000 R13: ffff88801aee9860 R14: ffffffffffea0000 R15: 1ffff110035dd30c FS: 000055555655d400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb85935d108 CR3: 0000000075703000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:230 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:154 [inline] btrfs_block_rsv_release+0x3b3/0x470 fs/btrfs/block-rsv.c:293 btrfs_release_global_block_rsv+0x2b/0x190 fs/btrfs/block-rsv.c:438 btrfs_free_block_groups+0x941/0xc80 fs/btrfs/block-group.c:4274 close_ctree+0x66f/0xbb0 fs/btrfs/disk-io.c:4652 generic_shutdown_super+0x113/0x2d0 fs/super.c:500 kill_anon_super+0x36/0x60 fs/super.c:1107 btrfs_kill_super+0x3c/0x50 fs/btrfs/super.c:2144 deactivate_locked_super+0x75/0xd0 fs/super.c:331 cleanup_mnt+0x358/0x3e0 fs/namespace.c:1177 task_work_run+0x20a/0x290 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f72d3e8d567 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:00007fffc476eea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f72d3e8d567 RDX: 00007fffc476ef79 RSI: 000000000000000a RDI: 00007fffc476ef70 RBP: 00007fffc476ef70 R08: 00000000ffffffff R09: 00007fffc476ed40 R10: 000055555655e893 R11: 0000000000000246 R12: 00007f72d3ee6b74 R13: 00007fffc4770030 R14: 000055555655e810 R15: 00007fffc4770070