Hello, syzbot found the following issue on: HEAD commit: e8f60209d6cf Merge tag 'pmdomain-v6.7-rc2' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b3499ae80000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb39fe85d254f638 dashboard link: https://syzkaller.appspot.com/bug?extid=1c134362d18de07842ca compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/2af2eefe2f60/disk-e8f60209.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/15130e50c05d/vmlinux-e8f60209.xz kernel image: https://storage.googleapis.com/syzbot-assets/6e0a0602189b/bzImage-e8f60209.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1c134362d18de07842ca@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/btrfs/space-info.c:1638! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15269 Comm: syz-executor.2 Not tainted 6.7.0-rc3-syzkaller-00048-ge8f60209d6cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__reserve_bytes+0xd8e/0x12e0 fs/btrfs/space-info.c:1638 Code: e9 b3 f5 ff ff e8 d2 db ed fd b9 66 06 00 00 48 c7 c2 e0 2c 19 8b 48 c7 c6 a0 32 19 8b 48 c7 c7 80 2d 19 8b e8 b3 b7 d0 fd 90 <0f> 0b e8 ab db ed fd e8 b6 39 dd fd 48 89 44 24 18 e9 62 f7 ff ff RSP: 0018:ffffc90017956bd0 EFLAGS: 00010282 RAX: 000000000000003b RBX: ffff88807a22c000 RCX: ffffc9000b468000 RDX: 0000000000000000 RSI: ffffffff816b0182 RDI: 0000000000000005 RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 000000000019c548 R12: 0000000000000000 R13: ffff88805bc04000 R14: 1ffff92002f2ad81 R15: dffffc0000000000 FS: 00007fa7588a16c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000078fa2000 CR4: 0000000000350ef0 Call Trace: <TASK> btrfs_reserve_metadata_bytes+0x2a/0x110 fs/btrfs/space-info.c:1783 btrfs_reserve_trans_metadata fs/btrfs/transaction.c:598 [inline] start_transaction+0x1837/0x1c90 fs/btrfs/transaction.c:692 btrfs_dirty_inode+0x189/0x200 fs/btrfs/inode.c:6015 btrfs_update_time fs/btrfs/inode.c:6041 [inline] btrfs_update_time+0xae/0xe0 fs/btrfs/inode.c:6032 inode_update_time fs/inode.c:1955 [inline] touch_atime+0x34f/0x5d0 fs/inode.c:2028 file_accessed include/linux/fs.h:2360 [inline] filemap_read+0xb09/0xcf0 mm/filemap.c:2661 btrfs_file_read_iter+0x1dc/0x830 fs/btrfs/file.c:3823 __kernel_read+0x301/0x870 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:221 ima_calc_file_hash_tfm+0x2c5/0x3d0 security/integrity/ima/ima_crypto.c:485 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x1c6/0x4a0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x85e/0xa20 security/integrity/ima/ima_api.c:290 process_measurement+0xe92/0x2260 security/integrity/ima/ima_main.c:359 ima_file_check+0xc2/0x110 security/integrity/ima/ima_main.c:557 do_open fs/namei.c:3624 [inline] path_openat+0x1821/0x2c50 fs/namei.c:3779 do_filp_open+0x1de/0x430 fs/namei.c:3809 do_sys_openat2+0x176/0x1e0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_open fs/open.c:1463 [inline] __se_sys_open fs/open.c:1459 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1459 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fa757a7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa7588a10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fa757b9c050 RCX: 00007fa757a7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007fa757ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fa757b9c050 R15: 00007ffd9a11eb28 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reserve_bytes+0xd8e/0x12e0 fs/btrfs/space-info.c:1638 Code: e9 b3 f5 ff ff e8 d2 db ed fd b9 66 06 00 00 48 c7 c2 e0 2c 19 8b 48 c7 c6 a0 32 19 8b 48 c7 c7 80 2d 19 8b e8 b3 b7 d0 fd 90 <0f> 0b e8 ab db ed fd e8 b6 39 dd fd 48 89 44 24 18 e9 62 f7 ff ff RSP: 0018:ffffc90017956bd0 EFLAGS: 00010282 RAX: 000000000000003b RBX: ffff88807a22c000 RCX: ffffc9000b468000 RDX: 0000000000000000 RSI: ffffffff816b0182 RDI: 0000000000000005 RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 000000000019c548 R12: 0000000000000000 R13: ffff88805bc04000 R14: 1ffff92002f2ad81 R15: dffffc0000000000 FS: 00007fa7588a16c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3245f000 CR3: 0000000078fa2000 CR4: 0000000000350ef0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
