syzbot has found a reproducer for the following issue on: HEAD commit: a5c93bfec0be Merge tag 'x86-mm-2024-11-18' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1378475f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=9b5cb37a5a4eda10 dashboard link: https://syzkaller.appspot.com/bug?extid=3e07a461b836821ff70e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12694ae8580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/70daf24cbd5f/disk-a5c93bfe.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/43d73b55bde3/vmlinux-a5c93bfe.xz kernel image: https://storage.googleapis.com/syzbot-assets/1742639611a8/bzImage-a5c93bfe.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3e07a461b836821ff70e@xxxxxxxxxxxxxxxxxxxxxxxxx Bluetooth: hci0: Opcode 0x0c03 failed: -112 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11474 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 11474 Comm: syz.3.1469 Not tainted 6.12.0-syzkaller-01518-ga5c93bfec0be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256 Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 8f 55 98 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 70 79 36 00 85 db 75 60 e8 27 77 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 19 77 36 00 90 0f 0b 90 e9 a8 f7 ff ff RSP: 0018:ffffc9000b2b7bf8 EFLAGS: 00010093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815719b0 RDX: ffff88802b422440 RSI: ffffffff815719b9 RDI: 0000000000000005 RBP: ffff8880360a8a80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000008 R14: ffff8880123d3000 R15: ffff8880123d3000 FS: 00007f22bc8606c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38a17baf98 CR3: 000000006114e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> queue_work_on+0x11a/0x140 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] hci_recv_frame+0x23f/0x7e0 net/bluetooth/hci_core.c:2946 vhci_get_user drivers/bluetooth/hci_vhci.c:511 [inline] vhci_write+0x385/0x470 drivers/bluetooth/hci_vhci.c:607 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:679 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f22bb97d23f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48 RSP: 002b:00007f22bc860000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f22bbb35f80 RCX: 00007f22bb97d23f RDX: 0000000000000007 RSI: 0000000020000000 RDI: 00000000000000ca RBP: 00007f22bb9f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f22bbb35f80 R15: 00007ffc1b246d58 </TASK> --- 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.
