ci starts bisection 2023-04-24 18:03:21.574158263 +0000 UTC m=+19627.741533872 bisecting fixing commit since 65aca32efdcb0965502d3db2f1fa33838c070952 building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit 65aca32efdcb0965502d3db2f1fa33838c070952 testing commit 65aca32efdcb0965502d3db2f1fa33838c070952 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bf61abe202d735046100ae8c84438107b07c7caf41b3c6917df0f388b7e59750 run #0: crashed: kernel BUG in create_pending_snapshot run #1: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #2: crashed: kernel BUG in create_pending_snapshot run #3: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #4: crashed: kernel BUG in create_pending_snapshot run #5: crashed: kernel BUG in create_pending_snapshot 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 run #10: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #11: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #12: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #13: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #14: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #15: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #16: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #17: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #18: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #19: crashed: WARNING in btrfs_space_info_update_bytes_may_use testing current HEAD 457391b0380335d5e9a5babdec90ac53928b23b4 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 97bae049e3c9c66fb2e2d833c9ac5ecfbf840616c428b9cd471585fb1c30ea32 run #0: crashed: kernel BUG in create_pending_snapshot run #1: crashed: kernel BUG in create_pending_snapshot run #2: crashed: WARNING in btrfs_space_info_update_bytes_may_use run #3: crashed: kernel BUG in create_pending_snapshot 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 revisions tested: 2, total time: 28m20.774290066s (build: 17m59.559678634s, test: 9m50.02412409s) the crash still happens on HEAD commit msg: Linux 6.3 crash: WARNING in btrfs_space_info_update_bytes_may_use ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5337 at fs/btrfs/space-info.h:197 btrfs_space_info_update_bytes_may_use+0x16c/0x3c0 fs/btrfs/space-info.h:197 Modules linked in: CPU: 0 PID: 5337 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x16c/0x3c0 fs/btrfs/space-info.h:197 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 3a ed 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:ffffc90004637a00 EFLAGS: 00010287 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff834ffed1 RDX: 0000000000000000 RSI: ffffffff8a37eee0 RDI: ffffffff8a37eea0 RBP: 0000000000000005 R08: dffffc0000000000 R09: fffffbfff1a7aace R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000e0000 R13: ffff88801f834860 R14: fffffffffff20000 R15: 1ffff11003f0690c FS: 0000555556799400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0011d9000 CR3: 00000000160a9000 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:229 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline] btrfs_block_rsv_release+0x363/0x430 fs/btrfs/block-rsv.c:297 btrfs_release_global_block_rsv+0x2b/0x190 fs/btrfs/block-rsv.c:440 btrfs_free_block_groups+0x9f2/0xc80 fs/btrfs/block-group.c:4278 close_ctree+0x681/0xbe0 fs/btrfs/disk-io.c:4649 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:2133 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: 0033:0x7fdf2508d567 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:00007ffea5bfa4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdf2508d567 RDX: 00007ffea5bfa5cb RSI: 000000000000000a RDI: 00007ffea5bfa5c0 RBP: 00007ffea5bfa5c0 R08: 00000000ffffffff R09: 00007ffea5bfa390 R10: 000055555679a893 R11: 0000000000000246 R12: 00007fdf250e6b74 R13: 00007ffea5bfb680 R14: 000055555679a810 R15: 00007ffea5bfb6c0