------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14322 Comm: syz-executor.3 Not tainted 5.9.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 7b 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 e0 69 40 00 48 85 db 75 0d e8 56 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 49 6d 40 00 <0f> 0b e8 42 6d 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900092f7758 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00077000a92cd180 RCX: ffffc9000f13c000 RDX: 0000000000040000 RSI: ffffffff8135d147 RDI: 0000000000000006 RBP: 00077001292cd180 R08: 0000000000000001 R09: ffffffff8d0c0ad7 R10: 00077001292cd180 R11: 0000000000000000 R12: 0007e780a92cd180 R13: ffffc900092f77c0 R14: 0000000000000200 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae400000(0063) knlGS:00000000f5580b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031e22000 CR3: 0000000218bb8000 CR4: 00000000001526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:850 [inline] qlink_to_cache mm/kasan/quarantine.c:128 [inline] qlist_free_all+0xd9/0x170 mm/kasan/quarantine.c:165 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:261 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:518 [inline] slab_alloc_node mm/slab.c:3258 [inline] kmem_cache_alloc_node+0x136/0x430 mm/slab.c:3578 __alloc_skb+0x71/0x550 net/core/skbuff.c:198 alloc_skb_fclone include/linux/skbuff.h:1144 [inline] tipc_buf_acquire+0x28/0xf0 net/tipc/msg.c:76 tipc_msg_build+0xf0/0x10c0 net/tipc/msg.c:397 __tipc_sendstream+0x6d9/0x1210 net/tipc/socket.c:1601 tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1532 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 sock_write_iter+0x28c/0x3c0 net/socket.c:998 call_write_iter include/linux/fs.h:1882 [inline] new_sync_write+0x422/0x650 fs/read_write.c:503 vfs_write+0x5ad/0x730 fs/read_write.c:586 ksys_write+0x1ee/0x250 fs/read_write.c:639 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x60/0x90 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fa7549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f55800cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000500 RDX: 00000000fffffd6d RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace dee0d85f74b13f90 ]--- RIP: 0010:__phys_addr+0xa7/0x110 arch/x86/mm/physaddr.c:28 Code: 7b 23 0a 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 e0 69 40 00 48 85 db 75 0d e8 56 6d 40 00 4c 89 e0 5b 5d 41 5c c3 e8 49 6d 40 00 <0f> 0b e8 42 6d 40 00 48 c7 c0 10 50 e9 89 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900092f7758 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00077000a92cd180 RCX: ffffc9000f13c000 RDX: 0000000000040000 RSI: ffffffff8135d147 RDI: 0000000000000006 RBP: 00077001292cd180 R08: 0000000000000001 R09: ffffffff8d0c0ad7 R10: 00077001292cd180 R11: 0000000000000000 R12: 0007e780a92cd180 R13: ffffc900092f77c0 R14: 0000000000000200 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae400000(0063) knlGS:00000000f5580b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000815c0f0 CR3: 0000000218bb8000 CR4: 00000000001526f0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600