------------[ cut here ]------------ WARNING: CPU: 1 PID: 721 at include/net/tcp.h:1219 tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] WARNING: CPU: 1 PID: 721 at include/net/tcp.h:1219 tcp_mtup_probe_success net/ipv4/tcp_input.c:2712 [inline] WARNING: CPU: 1 PID: 721 at include/net/tcp.h:1219 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3356 [inline] WARNING: CPU: 1 PID: 721 at include/net/tcp.h:1219 tcp_ack+0x541e/0x58f0 net/ipv4/tcp_input.c:3861 Modules linked in: CPU: 1 PID: 721 Comm: syz-executor.0 Not tainted 5.18.0-syzkaller-04943-g7e062cda7d90 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] RIP: 0010:tcp_mtup_probe_success net/ipv4/tcp_input.c:2712 [inline] RIP: 0010:tcp_clean_rtx_queue net/ipv4/tcp_input.c:3356 [inline] RIP: 0010:tcp_ack+0x541e/0x58f0 net/ipv4/tcp_input.c:3861 Code: dc d5 ff ff 48 8b 7c 24 78 e8 5e 75 ec f9 e9 a7 d5 ff ff 48 8b bc 24 88 00 00 00 e8 3c 75 ec f9 e9 1e d5 ff ff e8 42 2f a0 f9 <0f> 0b e9 6e f4 ff ff 48 89 f7 e8 23 75 ec f9 e9 7c cf ff ff 48 8b RSP: 0018:ffffc900001f06f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88807c8a8000 RSI: ffffffff87d9851e RDI: 0000000000000003 RBP: ffff88802196f3c0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff87d9798b R11: 0000000000000000 R12: ffff88802196f584 R13: 0000000000001204 R14: ffff88802196f588 R15: ffff88802196ec00 FS: 00007f8d201fe700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201af000 CR3: 00000000204b7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcp_rcv_established+0x5e8/0x20e0 net/ipv4/tcp_input.c:5973 tcp_v4_do_rcv+0x66c/0x980 net/ipv4/tcp_ipv4.c:1659 tcp_v4_rcv+0x2ee8/0x36b0 net/ipv4/tcp_ipv4.c:2072 ip_protocol_deliver_rcu+0xa3/0x7c0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2dc/0x4b0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_local_deliver+0x1aa/0x200 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:461 [inline] ip_rcv_finish+0x1cb/0x2f0 net/ipv4/ip_input.c:437 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:557 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5478 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5592 process_backlog+0x3a0/0x7c0 net/core/dev.c:5920 __napi_poll+0xb3/0x6e0 net/core/dev.c:6486 napi_poll net/core/dev.c:6553 [inline] net_rx_action+0x9c1/0xd90 net/core/dev.c:6664 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571 do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 do_softirq kernel/softirq.c:464 [inline] __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:396 sk_stream_wait_memory+0x608/0xed0 net/core/stream.c:145 tcp_sendmsg_locked+0x7d5/0x2fc0 net/ipv4/tcp.c:1410 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1448 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2119 __do_sys_sendto net/socket.c:2131 [inline] __se_sys_sendto net/socket.c:2127 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2127 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f8d21289109 ================================ WARNING: inconsistent lock state 5.18.0-syzkaller-04943-g7e062cda7d90 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.0/721 [HC0[0]:SC1[1]:HE1:SE0] takes: ffffffff8beb4158 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff8beb4158 (vmap_area_lock){+.?.}-{2:2}, at: find_vmap_area mm/vmalloc.c:1805 [inline] ffffffff8beb4158 (vmap_area_lock){+.?.}-{2:2}, at: find_vm_area+0x1c/0x190 mm/vmalloc.c:2527 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5634 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5599 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] alloc_vmap_area+0xa49/0x1f00 mm/vmalloc.c:1586 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2455 get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2508 __ioremap_caller.constprop.0+0x292/0x600 arch/x86/mm/ioremap.c:280 acpi_os_ioremap include/acpi/acpi_io.h:13 [inline] acpi_map drivers/acpi/osl.c:297 [inline] acpi_os_map_iomem+0x463/0x550 drivers/acpi/osl.c:356 acpi_tb_acquire_table+0xd8/0x209 drivers/acpi/acpica/tbdata.c:142 acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline] acpi_tb_validate_table+0x50/0x8c drivers/acpi/acpica/tbdata.c:308 acpi_tb_verify_temp_table+0x84/0x674 drivers/acpi/acpica/tbdata.c:504 acpi_reallocate_root_table+0x374/0x3e0 drivers/acpi/acpica/tbxface.c:180 acpi_early_init+0x13a/0x438 drivers/acpi/bus.c:1200 start_kernel+0x3cf/0x48f init/main.c:1098 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 16754 hardirqs last enabled at (16754): [] __up_console_sem+0xae/0xc0 kernel/printk/printk.c:291 hardirqs last disabled at (16753): [] __up_console_sem+0x93/0xc0 kernel/printk/printk.c:289 softirqs last enabled at (15768): [] sk_stream_wait_memory+0x608/0xed0 net/core/stream.c:145 softirqs last disabled at (15769): [] do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(vmap_area_lock); lock(vmap_area_lock); *** DEADLOCK *** 3 locks held by syz-executor.0/721: #0: ffffffff8bd855e0 (rcu_read_lock){....}-{1:2}, at: __skb_unlink include/linux/skbuff.h:2469 [inline] #0: ffffffff8bd855e0 (rcu_read_lock){....}-{1:2}, at: __skb_dequeue include/linux/skbuff.h:2484 [inline] #0: ffffffff8bd855e0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x34b/0x7c0 net/core/dev.c:5918 #1: ffffffff8bd855e0 (rcu_read_lock){....}-{1:2}, at: __skb_pull include/linux/skbuff.h:2700 [inline] #1: ffffffff8bd855e0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x1ff/0x4b0 net/ipv4/ip_input.c:230 #2: ffff88802196ecb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0x2c9b/0x36b0 net/ipv4/tcp_ipv4.c:2068 stack backtrace: CPU: 1 PID: 721 Comm: syz-executor.0 Not tainted 5.18.0-syzkaller-04943-g7e062cda7d90 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_usage_bug kernel/locking/lockdep.c:3930 [inline] valid_state kernel/locking/lockdep.c:3942 [inline] mark_lock_irq kernel/locking/lockdep.c:4145 [inline] mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4601 mark_lock kernel/locking/lockdep.c:4565 [inline] mark_usage kernel/locking/lockdep.c:4496 [inline] __lock_acquire+0x11e7/0x56c0 kernel/locking/lockdep.c:4976 lock_acquire kernel/locking/lockdep.c:5634 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5599 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] find_vmap_area mm/vmalloc.c:1805 [inline] find_vm_area+0x1c/0x190 mm/vmalloc.c:2527 check_heap_object mm/usercopy.c:176 [inline] __check_object_size mm/usercopy.c:252 [inline] __check_object_size+0x1fb/0x7a0 mm/usercopy.c:214 check_object_size include/linux/thread_info.h:199 [inline] __copy_from_user_inatomic include/linux/uaccess.h:62 [inline] copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline] copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31 copy_code arch/x86/kernel/dumpstack.c:91 [inline] show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121 show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149 __show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74 show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292 __warn+0xe7/0x190 kernel/panic.c:598 report_bug+0x1bc/0x210 lib/bug.c:198 handle_bug+0x3c/0x60 arch/x86/kernel/traps.c:316 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:336 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568 RIP: 0010:tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] RIP: 0010:tcp_mtup_probe_success net/ipv4/tcp_input.c:2712 [inline] RIP: 0010:tcp_clean_rtx_queue net/ipv4/tcp_input.c:3356 [inline] RIP: 0010:tcp_ack+0x541e/0x58f0 net/ipv4/tcp_input.c:3861 Code: dc d5 ff ff 48 8b 7c 24 78 e8 5e 75 ec f9 e9 a7 d5 ff ff 48 8b bc 24 88 00 00 00 e8 3c 75 ec f9 e9 1e d5 ff ff e8 42 2f a0 f9 <0f> 0b e9 6e f4 ff ff 48 89 f7 e8 23 75 ec f9 e9 7c cf ff ff 48 8b RSP: 0018:ffffc900001f06f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88807c8a8000 RSI: ffffffff87d9851e RDI: 0000000000000003 RBP: ffff88802196f3c0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff87d9798b R11: 0000000000000000 R12: ffff88802196f584 R13: 0000000000001204 R14: ffff88802196f588 R15: ffff88802196ec00 tcp_rcv_established+0x5e8/0x20e0 net/ipv4/tcp_input.c:5973 tcp_v4_do_rcv+0x66c/0x980 net/ipv4/tcp_ipv4.c:1659 tcp_v4_rcv+0x2ee8/0x36b0 net/ipv4/tcp_ipv4.c:2072 ip_protocol_deliver_rcu+0xa3/0x7c0 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x2dc/0x4b0 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_local_deliver+0x1aa/0x200 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:461 [inline] ip_rcv_finish+0x1cb/0x2f0 net/ipv4/ip_input.c:437 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip_rcv+0xaa/0xd0 net/ipv4/ip_input.c:557 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5478 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5592 process_backlog+0x3a0/0x7c0 net/core/dev.c:5920 __napi_poll+0xb3/0x6e0 net/core/dev.c:6486 napi_poll net/core/dev.c:6553 [inline] net_rx_action+0x9c1/0xd90 net/core/dev.c:6664 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571 do_softirq.part.0+0xde/0x130 kernel/softirq.c:472 do_softirq kernel/softirq.c:464 [inline] __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:396 sk_stream_wait_memory+0x608/0xed0 net/core/stream.c:145 tcp_sendmsg_locked+0x7d5/0x2fc0 net/ipv4/tcp.c:1410 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1448 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2119 __do_sys_sendto net/socket.c:2131 [inline] __se_sys_sendto net/socket.c:2127 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2127 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f8d21289109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d201fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f8d2139bf60 RCX: 00007f8d21289109 RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f8d212e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8d218cfb1f R14: 00007f8d201fe300 R15: 0000000000022000 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d201fe168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f8d2139bf60 RCX: 00007f8d21289109 RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f8d212e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8d218cfb1f R14: 00007f8d201fe300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 b8 ff ff ff mov $0xffffffffffffffb8,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W