ci2 starts bisection 2023-05-10 11:35:48.120511998 +0000 UTC m=+6543.839841788 bisecting fixing commit since b229b6ca5abbd63ff40c1396095b1b36b18139c3 building syzkaller on a1d8560a0437774e9da5f9e4bd86671acdd5b2ee ensuring issue is reproducible on original commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 testing commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 983f243c63a8998dc4532f6e38ff1494eee76fd0a8abc116d5f59ac6fde84d27 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: crashed: WARNING in btrfs_sync_log run #2: crashed: WARNING in btrfs_sync_log run #3: crashed: WARNING in btrfs_sync_log run #4: crashed: WARNING in btrfs_sync_log run #5: crashed: WARNING in btrfs_sync_log run #6: crashed: WARNING in btrfs_sync_log run #7: crashed: WARNING in btrfs_sync_log run #8: crashed: WARNING in btrfs_sync_log run #9: crashed: WARNING in btrfs_sync_log run #10: crashed: WARNING in btrfs_sync_log run #11: crashed: WARNING in btrfs_sync_log run #12: crashed: WARNING in btrfs_sync_log run #13: crashed: WARNING in btrfs_sync_log run #14: crashed: WARNING in btrfs_sync_log run #15: crashed: WARNING in btrfs_sync_log run #16: crashed: WARNING in btrfs_sync_log run #17: crashed: WARNING in btrfs_sync_log run #18: crashed: SYZFATAL: executor failed NUM times: executor NUM: exit status NUM run #19: crashed: WARNING in btrfs_sync_log testing current HEAD 16a8829130ca22666ac6236178a6233208d425c3 testing commit 16a8829130ca22666ac6236178a6233208d425c3 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 89d211b464f5bf2eae0c2efb573ba5865720e23c301233f9f534fb28eac3e45b run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM 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 crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 59m51.087561491s (build: 50m43.819728549s, test: 7m50.158564115s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: nfs: fix another case of NULL/IS_ERR confusion wrt folio pointers crash: WARNING in btrfs_space_info_update_bytes_may_use ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5304 at fs/btrfs/space-info.h:198 btrfs_space_info_update_bytes_may_use+0x16c/0x3c0 Modules linked in: CPU: 1 PID: 5304 Comm: syz-executor.0 Not tainted 6.4.0-rc1-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 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 9a 00 73 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:ffffc900043cfa20 EFLAGS: 00010287 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff834d64f1 RDX: 0000000000000000 RSI: ffffffff89db4c80 RDI: ffffffff89db4c40 RBP: 0000000000000005 R08: dffffc0000000000 R09: fffffbfff19b8086 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000160000 R13: ffff88814a2fc860 R14: ffffffffffea0000 R15: 1ffff1102945f90c FS: 0000555556cc9400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560ead426950 CR3: 000000002634f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_block_rsv_release+0x3b3/0x470 btrfs_release_global_block_rsv+0x2b/0x190 btrfs_free_block_groups+0x941/0xc80 close_ctree+0x660/0xb40 generic_shutdown_super+0x113/0x2d0 kill_anon_super+0x36/0x60 btrfs_kill_super+0x3c/0x50 deactivate_locked_super+0x75/0xd0 cleanup_mnt+0x358/0x3e0 task_work_run+0x20a/0x290 exit_to_user_mode_loop+0xd1/0xf0 exit_to_user_mode_prepare+0xb1/0x140 syscall_exit_to_user_mode+0x54/0x270 do_syscall_64+0x4d/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69b428ca17 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:00007fff8a0a47b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f69b428ca17 RDX: 00007fff8a0a4889 RSI: 000000000000000a RDI: 00007fff8a0a4880 RBP: 00007fff8a0a4880 R08: 00000000ffffffff R09: 00007fff8a0a4650 R10: 0000555556cca893 R11: 0000000000000246 R12: 00007f69b42e5826 R13: 00007fff8a0a5940 R14: 0000555556cca810 R15: 00007fff8a0a5980