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BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 7a77a067 P4D 7a77a067 PUD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8767 Comm: syz.3.911 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffffc90003d4f618 EFLAGS: 00010246 RAX: 1ffffffff163e41f RBX: 0000000000000000 RCX: 0000000000000001 RDX: ffffc90003d4f6c0 RSI: 0000000000000001 RDI: ffff888061578000 RBP: ffffc90003d4f730 R08: dffffc0000000000 R09: ffffed100c2af008 R10: ffffed100c2af008 R11: 1ffff1100c2af007 R12: ffffffff8b1f20f8 R13: dffffc0000000000 R14: ffff888061578000 R15: ffffe8ffffd46a88 FS: 00007fbd4e7786c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001e7f2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> bond_xdp_xmit+0x282/0x420 drivers/net/bonding/bond_main.c:5228 bq_xmit_all+0xbb1/0xf60 kernel/bpf/devmap.c:391 __dev_flush+0xbf/0x1b0 kernel/bpf/devmap.c:421 xdp_do_flush+0xa/0x20 net/core/filter.c:3985 tun_build_skb drivers/net/tun.c:1703 [inline] tun_get_user+0x297c/0x38d0 drivers/net/tun.c:1797 tun_chr_write_iter+0x112/0x1e0 drivers/net/tun.c:2019 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x712/0xd00 fs/read_write.c:594 ksys_write+0x14d/0x250 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fbd5090f41f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007fbd4e778000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbd50b37fa0 RCX: 00007fbd5090f41f RDX: 0000000000000082 RSI: 0000200000000640 RDI: 00000000000000c8 RBP: 00007fbd50992ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000082 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbd50b37fa0 R15: 00007ffc6f3c20c8 </TASK> Modules linked in: CR2: 0000000000000000 ---[ end trace 37ec6bc4fe3f7387 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffffc90003d4f618 EFLAGS: 00010246 RAX: 1ffffffff163e41f RBX: 0000000000000000 RCX: 0000000000000001 RDX: ffffc90003d4f6c0 RSI: 0000000000000001 RDI: ffff888061578000 RBP: ffffc90003d4f730 R08: dffffc0000000000 R09: ffffed100c2af008 R10: ffffed100c2af008 R11: 1ffff1100c2af007 R12: ffffffff8b1f20f8 R13: dffffc0000000000 R14: ffff888061578000 R15: ffffe8ffffd46a88 FS: 00007fbd4e7786c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001e7f2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/05/28 23:05 | linux-5.15.y | 98f47d0e9b8c | 3d2f584d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/04/29 00:53 | linux-5.15.y | f7347f400572 | aeb6ec69 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/04/24 11:02 | linux-5.15.y | f7347f400572 | 9882047a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/04/03 23:03 | linux-5.15.y | 0c935c049b5c | d7ae3a11 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/03/26 08:19 | linux-5.15.y | 0c935c049b5c | 89d30d73 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/03/18 19:35 | linux-5.15.y | 0c935c049b5c | 22a6c2b1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit | ||
2025/03/12 05:18 | linux-5.15.y | c16c81c81336 | ee70e6db | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: unable to handle kernel NULL pointer dereference in bond_xdp_xmit |