ci starts bisection 2023-04-20 06:12:00.210987316 +0000 UTC m=+42754.357518373 bisecting fixing commit since 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 building syzkaller on 67be1ae742603edad9c97d30b6ed69f9bbe2ffa8 ensuring issue is reproducible on original commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0070260e75dd431cb97da5b134f0b5819f174c10ea72bf69fe3550a4b0360244 all runs: crashed: WARNING in btrfs_create_pending_block_groups testing current HEAD cb0856346a60fe3eb837ba5e73588a41f81ac05f testing commit cb0856346a60fe3eb837ba5e73588a41f81ac05f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7144cdcf45e7fdc4e38f9307c37c2f8ac067260b0e311c76993da4f7acf988a8 all runs: crashed: WARNING in btrfs_create_pending_block_groups revisions tested: 2, total time: 51m29.74333489s (build: 44m4.643172385s, test: 6m43.411925133s) the crash still happens on HEAD commit msg: Merge tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm crash: WARNING in btrfs_create_pending_block_groups BTRFS info (device loop0): allowing degraded mounts BTRFS info (device loop0): using free space tree BTRFS info (device loop0): auto enabling async discard BTRFS info (device loop0): balance: start -susage=7,stripes=0..23665 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5503 at fs/btrfs/block-group.c:2621 btrfs_create_pending_block_groups+0xc13/0xef0 fs/btrfs/block-group.c:2621 Modules linked in: CPU: 0 PID: 5503 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:btrfs_create_pending_block_groups+0xc13/0xef0 fs/btrfs/block-group.c:2621 Code: e2 48 c7 c6 c0 2d b3 89 48 8b 78 50 e8 96 95 02 00 41 b8 01 00 00 00 e9 ac fd ff ff 89 ee 48 c7 c7 60 2d b3 89 e8 4d 72 06 fe <0f> 0b 41 b8 01 00 00 00 e9 24 fe ff ff 44 89 e6 48 c7 c7 60 2d b3 RSP: 0018:ffffc9000518f740 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8880764b61c0 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000001 RBP: 00000000ffffffe4 R08: 0000000000000000 R09: ffffc9000518f46f R10: fffff52000a31e8d R11: 0000000000000000 R12: ffff88801bcd4000 R13: ffff8880764b6050 R14: ffff8880764b6058 R15: dffffc0000000000 FS: 00007fe56ec24700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff6fd491e8 CR3: 000000001b35b000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0xdc/0x790 fs/btrfs/transaction.c:1003 btrfs_inc_block_group_ro+0x1c2/0x430 fs/btrfs/block-group.c:2864 btrfs_relocate_block_group+0x157/0xb00 fs/btrfs/relocation.c:4039 btrfs_relocate_chunk+0x119/0x380 fs/btrfs/volumes.c:3276 __btrfs_balance fs/btrfs/volumes.c:4011 [inline] btrfs_balance+0x14eb/0x3510 fs/btrfs/volumes.c:4395 btrfs_ioctl_balance fs/btrfs/ioctl.c:3592 [inline] btrfs_ioctl+0xef2/0x54a0 fs/btrfs/ioctl.c:4625 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x123/0x190 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe56de8c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe56ec24168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe56dfabf80 RCX: 00007fe56de8c0d9 RDX: 0000000020002280 RSI: 00000000c4009420 RDI: 0000000000000004 RBP: 00007fe56dee7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc4269b6f R14: 00007fe56ec24300 R15: 0000000000022000