------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 4716 Comm: klogd Not tainted 6.14.0-rc5-syzkaller-g1110ce6a1e34 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28 Code: 57 ba 00 e9 3d ff ff ff e8 23 12 53 00 48 c7 c7 a0 bf 9a 8e 4c 89 f6 4c 89 fa e8 d1 6e bf 03 e9 45 ff ff ff e8 07 12 53 00 90 <0f> 0b e8 ff 11 53 00 90 0f 0b e8 f7 11 53 00 90 0f 0b 0f 1f 40 00 RSP: 0018:ffffc9000218f640 EFLAGS: 00010293 RAX: ffffffff816ecd09 RBX: 0526000980000011 RCX: ffff888000680000 RDX: 0000000000000000 RSI: 0526000980000011 RDI: 0526778900000011 RBP: 0000000000000000 R08: ffffffff816ecbfb R09: ffffffff822935df R10: dffffc0000000000 R11: fffffbfff28a950f R12: 0526000900000011 R13: ffffea0000000000 R14: 0526778900000011 R15: 0000000000000000 FS: 00007f28ad5ce500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f374f5ee000 CR3: 000000001291e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_folio include/linux/mm.h:1295 [inline] virt_to_slab mm/slab.h:211 [inline] qlink_to_cache mm/kasan/quarantine.c:131 [inline] qlist_free_all+0x3d/0x140 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4115 [inline] slab_alloc_node mm/slub.c:4164 [inline] kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4216 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] alloc_skb_with_frags+0xc3/0x820 net/core/skbuff.c:6522 sock_alloc_send_pskb+0x91a/0xa60 net/core/sock.c:2914 unix_dgram_sendmsg+0x5e8/0x1df0 net/unix/af_unix.c:2017 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 __sys_sendto+0x363/0x4c0 net/socket.c:2187 __do_sys_sendto net/socket.c:2194 [inline] __se_sys_sendto net/socket.c:2190 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f28ad7309b5 Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffe3517b668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f28ad7309b5 RDX: 000000000000005a RSI: 000055ba4f805540 RDI: 0000000000000003 RBP: 000055ba4f7ff910 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 R13: 00007f28ad8be212 R14: 00007ffe3517b768 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]---