------------[ cut here ]------------ WARNING: CPU: 1 PID: 6246 at net/mptcp/protocol.c:1003 __mptcp_clean_una+0xa4c/0xc1c net/mptcp/protocol.c:1003 Modules linked in: CPU: 1 PID: 6246 Comm: kworker/1:3 Not tainted 6.9.0-rc6-syzkaller-g78186bd77b47 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events mptcp_worker pstate: 80400005 (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 : ffff80009bfa7810 x29: ffff80009bfa7850 x28: dfff800000000000 x27: 0000000000000000 x26: ffff0000c41d0000 x25: ffff0000cb3d4ea8 x24: ffff0000cb3d4ea8 x23: ffff0000cb3d4eb8 x22: 0000000000000000 x21: 1fffe0001967a9d7 x20: 1fffe0001967a9d5 x19: ffff0000cb3d4500 x18: dfff800000000000 x17: 000000008efa84a4 x16: ffff800080553b08 x15: ffff7000137f4f08 x14: 1ffff000137f4f08 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff7000137f4f08 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d07e9e40 x7 : ffff80008ad5b39c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008034d928 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: 334341 hardirqs last enabled at (334339): [] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:387 hardirqs last disabled at (334341): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (334338): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (334338): [] lock_sock_nested+0xcc/0x11c net/core/sock.c:3542 softirqs last disabled at (334340): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (334340): [] mptcp_clean_una_wakeup net/mptcp/protocol.c:1059 [inline] softirqs last disabled at (334340): [] __mptcp_retrans+0xdc/0xcc8 net/mptcp/protocol.c:2611 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6246 at net/mptcp/protocol.c:1018 __mptcp_clean_una+0xb68/0xc1c net/mptcp/protocol.c:1018 Modules linked in: CPU: 1 PID: 6246 Comm: kworker/1:3 Tainted: G W 6.9.0-rc6-syzkaller-g78186bd77b47 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events mptcp_worker pstate: 80400005 (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 : ffff80009bfa7810 x29: ffff80009bfa7850 x28: dfff800000000000 x27: 0000000000000000 x26: ffff0000c41d0010 x25: ffff0000c41d001e x24: 080bd10ef2f92f57 x23: ffff0000cb3d4d50 x22: 0000000000000000 x21: 1fffe0001883a002 x20: ffff0000c41d0000 x19: ffff0000cb3d4500 x18: dfff800000000000 x17: 000000008efa84a4 x16: ffff800080553b08 x15: ffff7000137f4f08 x14: 1ffff000137f4f08 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff7000137f4f08 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d07e9e40 x7 : ffff80008ad5b39c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008034d928 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: 334351 hardirqs last enabled at (334350): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (334350): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (334351): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (334338): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (334338): [] lock_sock_nested+0xcc/0x11c net/core/sock.c:3542 softirqs last disabled at (334340): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (334340): [] mptcp_clean_una_wakeup net/mptcp/protocol.c:1059 [inline] softirqs last disabled at (334340): [] __mptcp_retrans+0xdc/0xcc8 net/mptcp/protocol.c:2611 ---[ end trace 0000000000000000 ]---