------------[ cut here ]------------
WARNING: CPU: 0 PID: 9523 at net/mptcp/protocol.c:629 __mptcp_move_skbs_from_subflow+0x2cbc/0x2dac net/mptcp/protocol.c:629
Modules linked in:
CPU: 0 PID: 9523 Comm: syz.3.1296 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mptcp_move_skbs_from_subflow+0x2cbc/0x2dac net/mptcp/protocol.c:629
lr : __mptcp_move_skbs_from_subflow+0x2cbc/0x2dac net/mptcp/protocol.c:629
sp : ffff80001fb16550
x29: ffff80001fb166e0 x28: 0000000000020000 x27: 0000000000020000
x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000e8372488
x23: 0000000000000000 x22: ffff0000dc0dd770 x21: ffff0000c884504c
x20: 000000000000059a x19: 0000000000000529 x18: 0000000000000102
x17: 0000000000000000 x16: ffff8000084c5eb8 x15: 0000000000000004
x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000303 x10: 0000000000000000 x9 : ffff0000d7d1b680
x8 : ffff800011a65de4 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000008 x3 : ffff800011a64118
x2 : 0000000000000001 x1 : 000000000000059a x0 : 0000000000000529
Call trace:
 __mptcp_move_skbs_from_subflow+0x2cbc/0x2dac net/mptcp/protocol.c:629
 move_skbs_to_msk net/mptcp/protocol.c:741 [inline]
 mptcp_data_ready+0x188/0x4f4 net/mptcp/protocol.c:784
 subflow_data_ready+0x198/0x280 net/mptcp/subflow.c:1337
 tcp_data_ready+0x22c/0x454 net/ipv4/tcp_input.c:5054
 tcp_data_queue+0x1c14/0x5288 net/ipv4/tcp_input.c:5124
 tcp_rcv_established+0xa58/0x1f40 net/ipv4/tcp_input.c:6023
 tcp_v4_do_rcv+0x340/0xc70 net/ipv4/tcp_ipv4.c:1728
 tcp_v4_rcv+0x1fd8/0x2770 net/ipv4/tcp_ipv4.c:2140
 ip_protocol_deliver_rcu+0x36c/0x770 net/ipv4/ip_input.c:204
 ip_local_deliver_finish+0x1b8/0x30c net/ipv4/ip_input.c:231
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:453 [inline]
 ip_rcv_finish+0x22c/0x264 net/ipv4/ip_input.c:447
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5485 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5599
 process_backlog+0x3ec/0x7e0 net/core/dev.c:6476
 __napi_poll+0xb4/0x624 net/core/dev.c:7035
 napi_poll net/core/dev.c:7102 [inline]
 net_rx_action+0x500/0xc10 net/core/dev.c:7192
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 do_softirq+0xfc/0x1b0 kernel/softirq.c:459
 __local_bh_enable_ip+0x298/0x470 kernel/softirq.c:383
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 unlock_sock_fast include/net/sock.h:1737 [inline]
 mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
 mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
 mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:870
 sock_recvmsg_nosec net/socket.c:966 [inline]
 sock_recvmsg net/socket.c:984 [inline]
 __sys_recvfrom+0x33c/0x4ac net/socket.c:2115
 __do_sys_recvfrom net/socket.c:2133 [inline]
 __se_sys_recvfrom net/socket.c:2129 [inline]
 __arm64_sys_recvfrom+0xd8/0xf8 net/socket.c:2129
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2221
hardirqs last  enabled at (2220): [<ffff8000088d70f8>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231
hardirqs last disabled at (2221): [<ffff800011abda6c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (264): [<ffff800011a6ea64>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] unlock_sock_fast include/net/sock.h:1737 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
softirqs last disabled at (265): [<ffff8000081b6138>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq+0xfc/0x1b0 kernel/softirq.c:459
---[ end trace a42c4d41395a7716 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9523 at net/mptcp/protocol.c:632 __mptcp_move_skbs_from_subflow+0x1f6c/0x2dac net/mptcp/protocol.c:632
Modules linked in:
CPU: 0 PID: 9523 Comm: syz.3.1296 Tainted: G        W         5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mptcp_move_skbs_from_subflow+0x1f6c/0x2dac net/mptcp/protocol.c:632
lr : __mptcp_move_skbs_from_subflow+0x1f6c/0x2dac net/mptcp/protocol.c:632
sp : ffff80001fb16550
x29: ffff80001fb166e0 x28: 1fffe0001b578a52 x27: 00000000fffffa66
x26: dfff800000000000 x25: 0000000000001084 x24: ffff0000e8372488
x23: 0000000000000000 x22: 0000000000000000 x21: 00000000d5376909
x20: ffff0000dabc5268 x19: ffff0000c88449c0 x18: 0000000000000102
x17: 0000000000000000 x16: ffff8000084c5eb8 x15: 0000000000000001
x14: 1ffff0000295806a x13: dfff800000000000 x12: ffff700003f62ccc
x11: 0000000000000303 x10: 0000000000000000 x9 : ffff0000d7d1b680
x8 : ffff800011a65094 x7 : ffff800011a58470 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000830545c
x2 : ffff80001fb16760 x1 : 00000000fffffa66 x0 : 0000000000000aea
Call trace:
 __mptcp_move_skbs_from_subflow+0x1f6c/0x2dac net/mptcp/protocol.c:632
 move_skbs_to_msk net/mptcp/protocol.c:741 [inline]
 mptcp_data_ready+0x188/0x4f4 net/mptcp/protocol.c:784
 subflow_data_ready+0x198/0x280 net/mptcp/subflow.c:1337
 tcp_data_ready+0x22c/0x454 net/ipv4/tcp_input.c:5054
 tcp_data_queue+0x1c14/0x5288 net/ipv4/tcp_input.c:5124
 tcp_rcv_established+0xa58/0x1f40 net/ipv4/tcp_input.c:6023
 tcp_v4_do_rcv+0x340/0xc70 net/ipv4/tcp_ipv4.c:1728
 tcp_v4_rcv+0x1fd8/0x2770 net/ipv4/tcp_ipv4.c:2140
 ip_protocol_deliver_rcu+0x36c/0x770 net/ipv4/ip_input.c:204
 ip_local_deliver_finish+0x1b8/0x30c net/ipv4/ip_input.c:231
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:453 [inline]
 ip_rcv_finish+0x22c/0x264 net/ipv4/ip_input.c:447
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5485 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5599
 process_backlog+0x3ec/0x7e0 net/core/dev.c:6476
 __napi_poll+0xb4/0x624 net/core/dev.c:7035
 napi_poll net/core/dev.c:7102 [inline]
 net_rx_action+0x500/0xc10 net/core/dev.c:7192
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 do_softirq+0xfc/0x1b0 kernel/softirq.c:459
 __local_bh_enable_ip+0x298/0x470 kernel/softirq.c:383
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 unlock_sock_fast include/net/sock.h:1737 [inline]
 mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
 mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
 mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:870
 sock_recvmsg_nosec net/socket.c:966 [inline]
 sock_recvmsg net/socket.c:984 [inline]
 __sys_recvfrom+0x33c/0x4ac net/socket.c:2115
 __do_sys_recvfrom net/socket.c:2133 [inline]
 __se_sys_recvfrom net/socket.c:2129 [inline]
 __arm64_sys_recvfrom+0xd8/0xf8 net/socket.c:2129
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2305
hardirqs last  enabled at (2304): [<ffff8000081b5dfc>] __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:388
hardirqs last disabled at (2305): [<ffff800011abda6c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (264): [<ffff800011a6ea64>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] unlock_sock_fast include/net/sock.h:1737 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
softirqs last disabled at (265): [<ffff8000081b6138>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq+0xfc/0x1b0 kernel/softirq.c:459
---[ end trace a42c4d41395a7717 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9523 at net/mptcp/subflow.c:850 skb_is_fully_mapped net/mptcp/subflow.c:850 [inline]
WARNING: CPU: 0 PID: 9523 at net/mptcp/subflow.c:850 get_mapping_status net/mptcp/subflow.c:1061 [inline]
WARNING: CPU: 0 PID: 9523 at net/mptcp/subflow.c:850 subflow_check_data_avail net/mptcp/subflow.c:1175 [inline]
WARNING: CPU: 0 PID: 9523 at net/mptcp/subflow.c:850 mptcp_subflow_data_available+0x1b24/0x3560 net/mptcp/subflow.c:1273
Modules linked in:
CPU: 0 PID: 9523 Comm: syz.3.1296 Tainted: G        W         5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : skb_is_fully_mapped net/mptcp/subflow.c:850 [inline]
pc : get_mapping_status net/mptcp/subflow.c:1061 [inline]
pc : subflow_check_data_avail net/mptcp/subflow.c:1175 [inline]
pc : mptcp_subflow_data_available+0x1b24/0x3560 net/mptcp/subflow.c:1273
lr : skb_is_fully_mapped net/mptcp/subflow.c:850 [inline]
lr : get_mapping_status net/mptcp/subflow.c:1061 [inline]
lr : subflow_check_data_avail net/mptcp/subflow.c:1175 [inline]
lr : mptcp_subflow_data_available+0x1b24/0x3560 net/mptcp/subflow.c:1273
sp : ffff80001fb16640
x29: ffff80001fb167a0 x28: ffff0000c141bc00 x27: 1fffe0001828378a
x26: 00000000000101e9 x25: 00000000000015f9 x24: 00000000ffffef7c
x23: ffff0000dc0dd4e8 x22: 0000000000000000 x21: ffff0000c141bc54
x20: dfff800000000000 x19: 00000000d5376909 x18: 0000000000000102
x17: 0000000000000000 x16: ffff8000084c5eb8 x15: 0000000000000001
x14: 0000000011abdfd8 x13: 0000000000000043 x12: 0000000000000001
x11: 0000000000000102 x10: 0000000000000000 x9 : ffff0000d7d1b680
x8 : ffff800011a75c70 x7 : 0000000000000000 x6 : 0200000000000014
x5 : ffff0000e4123130 x4 : 0000000000000000 x3 : ffff800011a81168
x2 : 0000000000000000 x1 : 00000000ffffef7c x0 : 0000000000000575
Call trace:
 skb_is_fully_mapped net/mptcp/subflow.c:850 [inline]
 get_mapping_status net/mptcp/subflow.c:1061 [inline]
 subflow_check_data_avail net/mptcp/subflow.c:1175 [inline]
 mptcp_subflow_data_available+0x1b24/0x3560 net/mptcp/subflow.c:1273
 subflow_data_ready+0x184/0x280 net/mptcp/subflow.c:1336
 tcp_data_ready+0x22c/0x454 net/ipv4/tcp_input.c:5054
 tcp_data_queue+0x1c14/0x5288 net/ipv4/tcp_input.c:5124
 tcp_rcv_established+0xa58/0x1f40 net/ipv4/tcp_input.c:6023
 tcp_v4_do_rcv+0x340/0xc70 net/ipv4/tcp_ipv4.c:1728
 tcp_v4_rcv+0x1fd8/0x2770 net/ipv4/tcp_ipv4.c:2140
 ip_protocol_deliver_rcu+0x36c/0x770 net/ipv4/ip_input.c:204
 ip_local_deliver_finish+0x1b8/0x30c net/ipv4/ip_input.c:231
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_local_deliver+0x11c/0x190 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:453 [inline]
 ip_rcv_finish+0x22c/0x264 net/ipv4/ip_input.c:447
 NF_HOOK+0x324/0x3d0 include/linux/netfilter.h:302
 ip_rcv+0x78/0x98 net/ipv4/ip_input.c:566
 __netif_receive_skb_one_core net/core/dev.c:5485 [inline]
 __netif_receive_skb+0x18c/0x400 net/core/dev.c:5599
 process_backlog+0x3ec/0x7e0 net/core/dev.c:6476
 __napi_poll+0xb4/0x624 net/core/dev.c:7035
 napi_poll net/core/dev.c:7102 [inline]
 net_rx_action+0x500/0xc10 net/core/dev.c:7192
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 do_softirq+0xfc/0x1b0 kernel/softirq.c:459
 __local_bh_enable_ip+0x298/0x470 kernel/softirq.c:383
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:408 [inline]
 unlock_sock_fast include/net/sock.h:1737 [inline]
 mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
 mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
 mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:870
 sock_recvmsg_nosec net/socket.c:966 [inline]
 sock_recvmsg net/socket.c:984 [inline]
 __sys_recvfrom+0x33c/0x4ac net/socket.c:2115
 __do_sys_recvfrom net/socket.c:2133 [inline]
 __se_sys_recvfrom net/socket.c:2129 [inline]
 __arm64_sys_recvfrom+0xd8/0xf8 net/socket.c:2129
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2337
hardirqs last  enabled at (2336): [<ffff8000081b5dfc>] __local_bh_enable_ip+0x230/0x470 kernel/softirq.c:388
hardirqs last disabled at (2337): [<ffff800011abda6c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (264): [<ffff800011a6ea64>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] unlock_sock_fast include/net/sock.h:1737 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_subflow_cleanup_rbuf net/mptcp/protocol.c:472 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_cleanup_rbuf net/mptcp/protocol.c:503 [inline]
softirqs last  enabled at (264): [<ffff800011a6ea64>] mptcp_recvmsg+0xc84/0x2060 net/mptcp/protocol.c:2087
softirqs last disabled at (265): [<ffff8000081b6138>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (265): [<ffff8000081b6138>] do_softirq+0xfc/0x1b0 kernel/softirq.c:459
---[ end trace a42c4d41395a7718 ]---