tcp_recvmsg+0x122/0x620 net/ipv4/tcp.c:2682 inet_recvmsg+0x114/0x640 net/ipv4/af_inet.c:861 sock_recvmsg_nosec net/socket.c:1012 [inline] sock_recvmsg+0xe2/0x160 net/socket.c:1033 sock_read_iter+0x2bd/0x3b0 net/socket.c:1111 call_read_iter include/linux/fs.h:1845 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x7fa/0x930 fs/read_write.c:470 ksys_read+0x1ec/0x250 fs/read_write.c:613 ------------[ cut here ]------------ kernel BUG at mm/mmu_gather.c:139! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13879 Comm: syz-executor.2 Not tainted 6.2.0-rc6-next-20230201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__tlb_remove_page_size+0x24c/0x480 mm/mmu_gather.c:139 Code: 01 00 00 8b 6d 0c e9 e1 fe ff ff e8 9e 63 c1 ff 0f 0b e8 97 63 c1 ff 4c 89 f7 48 c7 c6 40 73 58 8a 48 83 e7 fc e8 64 0b fa ff <0f> 0b e8 7d 63 c1 ff 4c 8d 6b 24 48 b8 00 00 00 00 00 fc ff df 4c RSP: 0018:ffffc900051876c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90005187ac0 RCX: 0000000000000000 RDX: ffff888026ae57c0 RSI: ffffffff81c3674c RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e74b7d7 R10: fffffbfff1ce96fa R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffea0000ac32c0 R15: ffffc90005187ae8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556c38708 CR3: 0000000082e93000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __tlb_remove_page include/asm-generic/tlb.h:472 [inline] zap_pte_range mm/memory.c:1416 [inline] zap_pmd_range mm/memory.c:1536 [inline] zap_pud_range mm/memory.c:1565 [inline] zap_p4d_range mm/memory.c:1586 [inline] unmap_page_range+0x1226/0x3ce0 mm/memory.c:1607 unmap_single_vma+0x194/0x2a0 mm/memory.c:1653 unmap_vmas+0x234/0x380 mm/memory.c:1692 exit_mmap+0x190/0x7d0 mm/mmap.c:3036 __mmput+0x128/0x4c0 kernel/fork.c:1209 mmput+0x60/0x70 kernel/fork.c:1231 exit_mm kernel/exit.c:563 [inline] do_exit+0x9d7/0x2b60 kernel/exit.c:856 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 get_signal+0x2321/0x25b0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8be808c0c9 Code: Unable to access opcode bytes at 0x7f8be808c09f. RSP: 002b:00007f8be8dc1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f8be81ac058 RCX: 00007f8be808c0c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8be81ac058 RBP: 00007f8be81ac050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8be81ac05c R13: 00007ffe6d05e94f R14: 00007f8be8dc1300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__tlb_remove_page_size+0x24c/0x480 mm/mmu_gather.c:139 Code: 01 00 00 8b 6d 0c e9 e1 fe ff ff e8 9e 63 c1 ff 0f 0b e8 97 63 c1 ff 4c 89 f7 48 c7 c6 40 73 58 8a 48 83 e7 fc e8 64 0b fa ff <0f> 0b e8 7d 63 c1 ff 4c 8d 6b 24 48 b8 00 00 00 00 00 fc ff df 4c RSP: 0018:ffffc900051876c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90005187ac0 RCX: 0000000000000000 RDX: ffff888026ae57c0 RSI: ffffffff81c3674c RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8e74b7d7 R10: fffffbfff1ce96fa R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffea0000ac32c0 R15: ffffc90005187ae8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556c38708 CR3: 0000000082e93000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400