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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 72fb0170ef1f Add linux-next specific files for 20251024 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1640f734580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f02d98016cc9c137 dashboard link: https://syzkaller.appspot.com/bug?extid=153e64c0aa875d7e4c37 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=105853e2580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12722614580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f63074a739fa/disk-72fb0170.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b15d7b8b9621/vmlinux-72fb0170.xz kernel image: https://storage.googleapis.com/syzbot-assets/449963b71f60/bzImage-72fb0170.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+153e64c0aa875d7e4c37@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: kernel/trace/blktrace.c:368 at __blk_add_trace+0x79c/0x8d0 kernel/trace/blktrace.c:367, CPU#0: jbd2/sda1-8/5163 Modules linked in: CPU: 0 UID: 0 PID: 5163 Comm: jbd2/sda1-8 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__blk_add_trace+0x79c/0x8d0 kernel/trace/blktrace.c:367 Code: ff 4d 85 e4 75 4f e8 83 0e f8 ff e9 fb fd ff ff e8 79 0e f8 ff e9 ec fd ff ff e8 6f 0e f8 ff e9 d8 fd ff ff e8 65 0e f8 ff 90 <0f> 0b 90 e9 ca fd ff ff e8 57 0e f8 ff 48 8b 7c 24 30 e8 cd 51 00 RSP: 0018:ffffc9000e54f460 EFLAGS: 00010293 RAX: ffffffff81c81b4b RBX: 0000000000000001 RCX: ffff8880341abc80 RDX: 0000000000000000 RSI: 00000000901e000f RDI: 000000008000ffff RBP: ffffc9000e54f578 R08: ffff8880341abc80 R09: 0000000000000009 R10: 0000000000000011 R11: 0000000000000000 R12: 000000008000ffff R13: ffff888075c86080 R14: 00000000901e000f R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888125f22000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577629808 CR3: 000000000dd38000 CR4: 00000000003526f0 Call Trace: blk_add_trace_bio_remap+0x4b8/0x560 kernel/trace/blktrace.c:1200 __do_trace_block_bio_remap include/trace/events/block.h:526 [inline] trace_block_bio_remap include/trace/events/block.h:526 [inline] blk_partition_remap block/blk-core.c:585 [inline] submit_bio_noacct+0x187b/0x1b80 block/blk-core.c:804 journal_submit_commit_record+0x665/0x8b0 fs/jbd2/commit.c:156 jbd2_journal_commit_transaction+0x3455/0x5a00 fs/jbd2/commit.c:875 kjournald2+0x3cf/0x750 fs/jbd2/journal.c:201 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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@googlegroups.com. 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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