bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state general protection fault, probably for non-canonical address 0xfbd59c0000000024: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xdead000000000120-0xdead000000000127] CPU: 0 PID: 26067 Comm: syz.2.5403 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__hlist_del include/linux/list.h:980 [inline] RIP: 0010:hlist_del_rcu include/linux/rculist.h:513 [inline] RIP: 0010:br_del_frame+0xd1/0x150 net/bridge/br_input.c:463 Code: f8 4c 8b 73 10 48 83 c3 18 49 89 dd 49 c1 ed 03 43 80 7c 25 00 00 74 08 48 89 df e8 d9 be 76 f8 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 60 bf 76 f8 4d 89 37 4d 85 f6 74 RSP: 0018:ffffc90003c16f30 EFLAGS: 00010a06 RAX: 1bd5a00000000024 RBX: ffffffff8e8e6c80 RCX: 0000000000080000 RDX: ffffc9000d12b000 RSI: 000000000001f954 RDI: ffffffff8e8e6c78 RBP: 000000000000001d R08: ffffffff911ef50f R09: 1ffffffff223dea1 R10: dffffc0000000000 R11: fffffbfff223dea2 R12: dffffc0000000000 R13: 1ffffffff1d1cd90 R14: 0000000000000000 R15: dead000000000122 FS: 00007ff7d2f4b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ee2b7e940 CR3: 00000000644af000 CR4: 00000000003506f0 Call Trace: br_cfm_port_del+0x116/0x1b0 net/bridge/br_cfm.c:872 del_nbp+0x167/0x9e0 net/bridge/br_if.c:347 br_dev_delete+0x6e/0x130 net/bridge/br_if.c:386 rtnl_delete_link net/core/rtnetlink.c:3270 [inline] rtnl_dellink+0x4ed/0x7c0 net/core/rtnetlink.c:3323 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_write_iter+0x2dc/0x420 net/socket.c:1161 call_write_iter include/linux/fs.h:2018 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x474/0x9a0 fs/read_write.c:584 ksys_write+0x151/0x260 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ff7d1f9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff7d2f4b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ff7d2225fa0 RCX: 00007ff7d1f9e159 RDX: 0000000000000024 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007ff7d2035024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff7d2226038 R14: 00007ff7d2225fa0 R15: 00007ffc86790478 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__hlist_del include/linux/list.h:980 [inline] RIP: 0010:hlist_del_rcu include/linux/rculist.h:513 [inline] RIP: 0010:br_del_frame+0xd1/0x150 net/bridge/br_input.c:463 Code: f8 4c 8b 73 10 48 83 c3 18 49 89 dd 49 c1 ed 03 43 80 7c 25 00 00 74 08 48 89 df e8 d9 be 76 f8 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 60 bf 76 f8 4d 89 37 4d 85 f6 74 RSP: 0018:ffffc90003c16f30 EFLAGS: 00010a06 RAX: 1bd5a00000000024 RBX: ffffffff8e8e6c80 RCX: 0000000000080000 RDX: ffffc9000d12b000 RSI: 000000000001f954 RDI: ffffffff8e8e6c78 RBP: 000000000000001d R08: ffffffff911ef50f R09: 1ffffffff223dea1 R10: dffffc0000000000 R11: fffffbfff223dea2 R12: dffffc0000000000 R13: 1ffffffff1d1cd90 R14: 0000000000000000 R15: dead000000000122 FS: 00007ff7d2f4b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7310a8d286 CR3: 00000000644af000 CR4: 00000000003506f0 ---------------- Code disassembly (best guess): 0: f8 clc 1: 4c 8b 73 10 mov 0x10(%rbx),%r14 5: 48 83 c3 18 add $0x18,%rbx 9: 49 89 dd mov %rbx,%r13 c: 49 c1 ed 03 shr $0x3,%r13 10: 43 80 7c 25 00 00 cmpb $0x0,0x0(%r13,%r12,1) 16: 74 08 je 0x20 18: 48 89 df mov %rbx,%rdi 1b: e8 d9 be 76 f8 call 0xf876bef9 20: 4c 8b 3b mov (%rbx),%r15 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 ff mov %r15,%rdi 34: e8 60 bf 76 f8 call 0xf876bf99 39: 4d 89 37 mov %r14,(%r15) 3c: 4d 85 f6 test %r14,%r14 3f: 74 .byte 0x74