Hello, syzbot found the following issue on: HEAD commit: c912bf709078 Merge remote-tracking branches 'origin/arm64-.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=171be3a5980000 kernel config: https://syzkaller.appspot.com/x/.config?x=79a49b0b9ffd6585 dashboard link: https://syzkaller.appspot.com/bug?extid=f32bdeda1c9146004da8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fea69a9d153c/disk-c912bf70.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/be06762a72ef/vmlinux-c912bf70.xz kernel image: https://storage.googleapis.com/syzbot-assets/6c8e58b4215d/Image-c912bf70.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f32bdeda1c9146004da8@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 is_chained_work kernel/workqueue.c:2224 [inline] WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 Modules linked in: CPU: 1 PID: 7434 Comm: syz.2.363 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe0c/0x12ac kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2224 [inline] lr : __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 sp : ffff8000a0aa7240 x29: ffff8000a0aa7290 x28: 1fffe000196d0e41 x27: 0000000000000004 x26: dfff800000000000 x25: ffff0000d17ae800 x24: 0000000000000008 x23: 1fffe0001af1e3c9 x22: ffff0000d17ae9c0 x21: 0000000000400140 x20: ffff0000d78f1e40 x19: ffff0000d8678b18 x18: ffff8000a0aa72e0 x17: ffff80008f0fd000 x16: ffff800082f8f174 x15: 0000000000000001 x14: 1fffe0001b0cf163 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff8000a1f1f000 x8 : 0000000000040000 x7 : ffff800089145000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008022dbe8 x2 : ffff0000d8678b18 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:2224 [inline] __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2411 queue_work include/linux/workqueue.h:621 [inline] hci_send_acl+0x768/0xa50 net/bluetooth/hci_core.c:3250 l2cap_do_send+0x188/0x288 net/bluetooth/l2cap_core.c:996 l2cap_chan_send+0x13dc/0x211c net/bluetooth/l2cap_core.c:2577 l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1128 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x4d8/0x77c net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmmsg+0x30c/0x6b0 net/socket.c:2725 __do_sys_sendmmsg net/socket.c:2754 [inline] __se_sys_sendmmsg net/socket.c:2751 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2751 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 13644 hardirqs last enabled at (13643): [<ffff80008afc3e68>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (13643): [<ffff80008afc3e68>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (13644): [<ffff80008022dbd4>] queue_work_on+0x50/0x1a0 kernel/workqueue.c:2407 softirqs last enabled at (13586): [<ffff800089111350>] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (13586): [<ffff800089111350>] release_sock+0x154/0x1b8 net/core/sock.c:3558 softirqs last disabled at (13584): [<ffff800089111238>] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (13584): [<ffff800089111238>] release_sock+0x3c/0x1b8 net/core/sock.c:3547 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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