DUID 00:04:6c:04:c3:62:3a:5f:92:72:88:9d:7b:03:53:24:94:74 forked to background, child pid 3174 [ 27.570951][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.600772][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.663417][ T3599] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 48.675408][ T3599] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 48.684168][ T3599] CPU: 0 PID: 3599 Comm: syz-executor162 Not tainted 5.16.0-syzkaller-11587-gdd5152ab338c #0 [ 48.694806][ T3599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.704961][ T3599] RIP: 0010:btf_decl_tag_resolve+0x85f/0xac0 [ 48.711161][ T3599] Code: c1 ea 03 80 3c 02 00 0f 85 90 01 00 00 48 8b 1b e8 36 b3 e6 ff 48 8d 7b 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2b [ 48.731393][ T3599] RSP: 0018:ffffc90001a9fa00 EFLAGS: 00010247 [ 48.737479][ T3599] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 48.745547][ T3599] RDX: 0000000000000000 RSI: ffffffff8191a26a RDI: 0000000000000004 [ 48.753953][ T3599] RBP: ffff888012ba9000 R08: 0000000000000008 R09: 0000000000000008 [ 48.762007][ T3599] R10: ffffffff8191a212 R11: 0000000000000001 R12: 0000000000000004 [ 48.770069][ T3599] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000005 [ 48.778060][ T3599] FS: 0000555555e58300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 48.787174][ T3599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.793846][ T3599] CR2: 0000000020000000 CR3: 0000000070d4a000 CR4: 00000000003506f0 [ 48.801824][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.809909][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.817876][ T3599] Call Trace: [ 48.821144][ T3599] [ 48.824066][ T3599] btf_resolve+0x251/0x1050 [ 48.828581][ T3599] ? btf_ptr_resolve+0xe80/0xe80 [ 48.833530][ T3599] ? rcu_read_lock_sched_held+0x3a/0x70 [ 48.839076][ T3599] ? trace_kmalloc_node+0x32/0x100 [ 48.844364][ T3599] ? __kasan_kmalloc+0xa9/0xd0 [ 48.849128][ T3599] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 48.855127][ T3599] btf_new_fd+0x1a4a/0x23d0 [ 48.859814][ T3599] ? lock_downgrade+0x6e0/0x6e0 [ 48.864672][ T3599] ? btf_type_snprintf_show+0x140/0x140 [ 48.870217][ T3599] ? apparmor_capable+0x1d8/0x460 [ 48.875249][ T3599] ? security_capable+0x8f/0xc0 [ 48.880099][ T3599] __sys_bpf+0x1faa/0x59a0 [ 48.884515][ T3599] ? bpf_link_get_from_fd+0x110/0x110 [ 48.889888][ T3599] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.895900][ T3599] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.901968][ T3599] ? find_held_lock+0x2d/0x110 [ 48.906724][ T3599] ? trace_hardirqs_on+0x38/0x1c0 [ 48.911746][ T3599] __x64_sys_bpf+0x75/0xb0 [ 48.916236][ T3599] ? syscall_enter_from_user_mode+0x21/0x70 [ 48.922129][ T3599] do_syscall_64+0x35/0xb0 [ 48.926547][ T3599] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 48.932432][ T3599] RIP: 0033:0x7f491d125099 [ 48.936846][ T3599] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 48.956446][ T3599] RSP: 002b:00007ffd472bd838 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 48.964877][ T3599] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f491d125099 [ 48.972836][ T3599] RDX: 0000000000000020 RSI: 0000000020000000 RDI: 0000000000000012 [ 48.980791][ T3599] RBP: 00007f491d0e9080 R08: 0000000000000000 R09: 0000000000000000 [ 48.988748][ T3599] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007f491d0e9110 [ 48.996709][ T3599] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.004743][ T3599] [ 49.007768][ T3599] Modules linked in: [ 49.014029][ T3599] ---[ end trace 0000000000000000 ]--- [ 49.019570][ T3599] RIP: 0010:btf_decl_tag_resolve+0x85f/0xac0 [ 49.026103][ T3599] Code: c1 ea 03 80 3c 02 00 0f 85 90 01 00 00 48 8b 1b e8 36 b3 e6 ff 48 8d 7b 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 2b [ 49.047536][ T3599] RSP: 0018:ffffc90001a9fa00 EFLAGS: 00010247 [ 49.053628][ T3599] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.061657][ T3599] RDX: 0000000000000000 RSI: ffffffff8191a26a RDI: 0000000000000004 [ 49.069851][ T3599] RBP: ffff888012ba9000 R08: 0000000000000008 R09: 0000000000000008 [ 49.077861][ T3599] R10: ffffffff8191a212 R11: 0000000000000001 R12: 0000000000000004 [ 49.085865][ T3599] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000005 [ 49.093935][ T3599] FS: 0000555555e58300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.102915][ T3599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.109633][ T3599] CR2: 00007f78beff3df0 CR3: 0000000070d4a000 CR4: 00000000003506e0 [ 49.117661][ T3599] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.125730][ T3599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.133965][ T3599] Kernel panic - not syncing: Fatal exception [ 49.140334][ T3599] Kernel Offset: disabled [ 49.144655][ T3599] Rebooting in 86400 seconds..