ci2 starts bisection 2023-03-25 12:20:45.186000881 +0000 UTC m=+6257.389969102 bisecting fixing commit since 7dd4b804e08041ff56c88bdd8da742d14b17ed25 building syzkaller on 96166539c4c242fccd41c7316b7080377dca428b ensuring issue is reproducible on original commit 7dd4b804e08041ff56c88bdd8da742d14b17ed25 testing commit 7dd4b804e08041ff56c88bdd8da742d14b17ed25 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0ca4fcaee7cde97145d1ca82175474ac5212907f52459ffd260ddc389ed9f151 all runs: crashed: kernel BUG in __set_extent_bit testing current HEAD 65aca32efdcb0965502d3db2f1fa33838c070952 testing commit 65aca32efdcb0965502d3db2f1fa33838c070952 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2cc972b63b69f2876b5e9777e46c53a5c2f743f18d7e887d7c9c7990d086d92a all runs: crashed: kernel BUG in __set_extent_bit revisions tested: 2, total time: 44m4.880599566s (build: 35m49.735447544s, test: 6m21.710878437s) the crash still happens on HEAD commit msg: Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm crash: kernel BUG in __set_extent_bit RSP: 002b:00007f7add1fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7addfabf80 RCX: 00007f7adde8c0c9 RDX: 0000000020000000 RSI: 0000000040305839 RDI: 0000000000000005 RBP: 00007f7add1fe1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd4e91d0ef R14: 00007f7add1fe300 R15: 0000000000022000 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5709 Comm: syz-executor.0 Not tainted 6.3.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__set_extent_bit+0x11ea/0x1380 Code: fe e9 11 fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 85 fe ff ff 48 8b 7c 24 30 e8 a0 8f 73 fe 48 8b 54 24 30 e9 71 fe ff ff <0f> 0b 41 89 c5 49 83 c6 08 4c 89 f3 49 c1 ee 03 48 b9 00 00 00 00 RSP: 0018:ffffc9000460f4b8 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: 000000000000ffff RCX: 0000000000000820 RDX: 0000000000000038 RSI: 0000000000000000 RDI: ffff888011041640 RBP: 0000000000000000 R08: 0000000000000080 R09: fffffbfff17bfe3b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88806e36cb40 R13: 1ffff1100dc6d977 R14: ffff88806e36cbbc R15: 0000000000000000 FS: 00007f7add1fe700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7addfa8000 CR3: 0000000029cad000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_record_extent_bits+0x3f/0x70 qgroup_reserve_data+0x217/0x6d0 btrfs_qgroup_reserve_data+0x1c/0x70 btrfs_zero_range+0xa25/0xf20 btrfs_fallocate+0x8f7/0x1a70 vfs_fallocate+0x3ae/0x530 do_vfs_ioctl+0x1ba4/0x23f0 __se_sys_ioctl+0x4c/0xf0 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7adde8c0c9 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:00007f7add1fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7addfabf80 RCX: 00007f7adde8c0c9 RDX: 0000000020000000 RSI: 0000000040305839 RDI: 0000000000000005 RBP: 00007f7add1fe1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd4e91d0ef R14: 00007f7add1fe300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__set_extent_bit+0x11ea/0x1380 Code: fe e9 11 fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 85 fe ff ff 48 8b 7c 24 30 e8 a0 8f 73 fe 48 8b 54 24 30 e9 71 fe ff ff <0f> 0b 41 89 c5 49 83 c6 08 4c 89 f3 49 c1 ee 03 48 b9 00 00 00 00 RSP: 0018:ffffc9000460f4b8 EFLAGS: 00010282 RAX: 00000000fffffff4 RBX: 000000000000ffff RCX: 0000000000000820 RDX: 0000000000000038 RSI: 0000000000000000 RDI: ffff888011041640 RBP: 0000000000000000 R08: 0000000000000080 R09: fffffbfff17bfe3b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88806e36cb40 R13: 1ffff1100dc6d977 R14: ffff88806e36cbbc R15: 0000000000000000 FS: 00007f7add1fe700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7addfa8000 CR3: 0000000029cad000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400