Oops: general protection fault, probably for non-canonical address 0xe000080fdb502307: 0000 [#1] SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000607eda811838-0x0000607eda81183f] CPU: 0 UID: 0 PID: 16233 Comm: kworker/0:2 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: mld mld_ifc_work RIP: 0010:bond_header_create+0x150/0x300 drivers/net/bonding/bond_main.c:1522 Code: e8 e5 77 59 fb 45 85 f6 0f 84 a5 00 00 00 e8 97 73 59 fb eb 05 e8 90 73 59 fb 48 85 ed 0f 84 89 00 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 91 d1 c2 fb 48 8b 6d 00 4c 8d 75 RSP: 0000:ffffc90006e3f630 EFLAGS: 00010202 RAX: 00000c0fdb502307 RBX: ffffffff866ccaeb RCX: ffff8880276c8000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000607eda811838 R08: ffffffff866ccaeb R09: ffffffff8e75d720 R10: dffffc0000000000 R11: ffffffff866ccab0 R12: 00000000000086dd R13: ffff888027b58500 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125448000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d80aff8 CR3: 000000001dbda000 CR4: 00000000003526f0 Call Trace: dev_hard_header include/linux/netdevice.h:3440 [inline] neigh_connected_output+0x286/0x460 net/core/neighbour.c:1644 NF_HOOK_COND include/linux/netfilter.h:307 [inline] ip6_output+0x340/0x550 net/ipv6/ip6_output.c:246 dst_output include/net/dst.h:470 [inline] NF_HOOK+0x177/0x4f0 include/linux/netfilter.h:318 mld_sendpack+0x8b4/0xe40 net/ipv6/mcast.c:1855 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x835/0xe70 net/ipv6/mcast.c:2693 process_one_work kernel/workqueue.c:3278 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3361 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3442 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bond_header_create+0x150/0x300 drivers/net/bonding/bond_main.c:1522 Code: e8 e5 77 59 fb 45 85 f6 0f 84 a5 00 00 00 e8 97 73 59 fb eb 05 e8 90 73 59 fb 48 85 ed 0f 84 89 00 00 00 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 91 d1 c2 fb 48 8b 6d 00 4c 8d 75 RSP: 0000:ffffc90006e3f630 EFLAGS: 00010202 RAX: 00000c0fdb502307 RBX: ffffffff866ccaeb RCX: ffff8880276c8000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000607eda811838 R08: ffffffff866ccaeb R09: ffffffff8e75d720 R10: dffffc0000000000 R11: ffffffff866ccab0 R12: 00000000000086dd R13: ffff888027b58500 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125448000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffff5a34fe8 CR3: 00000000341c8000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: e8 e5 77 59 fb call 0xfb5977ea 5: 45 85 f6 test %r14d,%r14d 8: 0f 84 a5 00 00 00 je 0xb3 e: e8 97 73 59 fb call 0xfb5973aa 13: eb 05 jmp 0x1a 15: e8 90 73 59 fb call 0xfb5973aa 1a: 48 85 ed test %rbp,%rbp 1d: 0f 84 89 00 00 00 je 0xac 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 ef mov %rbp,%rdi 34: e8 91 d1 c2 fb call 0xfbc2d1ca 39: 48 8b 6d 00 mov 0x0(%rbp),%rbp 3d: 4c rex.WR 3e: 8d .byte 0x8d 3f: 75 .byte 0x75