------------[ cut here ]------------ WARNING: CPU: 0 PID: 6311 at net/mptcp/protocol.c:1003 __mptcp_clean_una+0xa4c/0xc1c net/mptcp/protocol.c:1003 Modules linked in: CPU: 0 PID: 6311 Comm: kworker/0:5 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events mptcp_worker pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : __mptcp_clean_una+0xa4c/0xc1c net/mptcp/protocol.c:1003 lr : __mptcp_clean_una+0xa4c/0xc1c net/mptcp/protocol.c:1003 sp : ffff80009c8b7810 x29: ffff80009c8b7850 x28: dfff800000000000 x27: 0000000000000000 x26: ffff000102c48000 x25: ffff0000edc78000 x24: ffff0000efe03aa8 x23: ffff0000efe03ab8 x22: 0000000000000000 x21: 1fffe0001dfc0757 x20: 1fffe0001dfc0755 x19: ffff0000efe03100 x18: 1fffe000367b9596 x17: ffff80008ee7d000 x16: ffff80008055219c x15: 0000000000000001 x14: 1fffffbff86a6b06 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7fbff86a6b07 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000edd43c80 x7 : ffff80008ad4537c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008ad46438 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __mptcp_clean_una+0xa4c/0xc1c net/mptcp/protocol.c:1003 __mptcp_clean_una_wakeup+0xac/0x284 net/mptcp/protocol.c:1053 mptcp_clean_una_wakeup net/mptcp/protocol.c:1060 [inline] __mptcp_retrans+0xe4/0xcc8 net/mptcp/protocol.c:2611 mptcp_worker+0xa1c/0x12b4 net/mptcp/protocol.c:2763 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 366853 hardirqs last enabled at (366851): [] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:387 hardirqs last disabled at (366853): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (366850): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (366850): [] lock_sock_nested+0xcc/0x11c net/core/sock.c:3542 softirqs last disabled at (366852): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (366852): [] mptcp_clean_una_wakeup net/mptcp/protocol.c:1059 [inline] softirqs last disabled at (366852): [] __mptcp_retrans+0xdc/0xcc8 net/mptcp/protocol.c:2611 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6311 at net/mptcp/protocol.c:1018 __mptcp_clean_una+0xb68/0xc1c net/mptcp/protocol.c:1018 Modules linked in: CPU: 0 PID: 6311 Comm: kworker/0:5 Tainted: G W 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events mptcp_worker pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : __mptcp_clean_una+0xb68/0xc1c net/mptcp/protocol.c:1018 lr : __mptcp_clean_una+0xb68/0xc1c net/mptcp/protocol.c:1018 sp : ffff80009c8b7810 x29: ffff80009c8b7850 x28: dfff800000000000 x27: 0000000000000000 x26: ffff000102c48010 x25: ffff000102c4801e x24: 52e48117a38a085f x23: ffff0000efe03950 x22: 0000000000000000 x21: 1fffe00020589002 x20: ffff000102c48000 x19: ffff0000efe03100 x18: 1fffe000367b9596 x17: ffff80008ee7d000 x16: ffff80008055219c x15: 0000000000000001 x14: 1fffffbff86a6b06 x13: 0000000000000000 x12: 0000000000000000 x11: ffff7fbff86a6b07 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000edd43c80 x7 : ffff80008ad4537c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008ad46438 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __mptcp_clean_una+0xb68/0xc1c net/mptcp/protocol.c:1018 __mptcp_clean_una_wakeup+0xac/0x284 net/mptcp/protocol.c:1053 mptcp_clean_una_wakeup net/mptcp/protocol.c:1060 [inline] __mptcp_retrans+0xe4/0xcc8 net/mptcp/protocol.c:2611 mptcp_worker+0xa1c/0x12b4 net/mptcp/protocol.c:2763 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 366859 hardirqs last enabled at (366858): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (366858): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (366859): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (366850): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (366850): [] lock_sock_nested+0xcc/0x11c net/core/sock.c:3542 softirqs last disabled at (366852): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (366852): [] mptcp_clean_una_wakeup net/mptcp/protocol.c:1059 [inline] softirqs last disabled at (366852): [] __mptcp_retrans+0xdc/0xcc8 net/mptcp/protocol.c:2611 ---[ end trace 0000000000000000 ]---