./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1199074584 <...> DUID 00:04:6c:04:c3:62:3a:5f:92:72:88:9d:7b:03:53:24:94:74 forked to background, child pid 3186 [ 26.344796][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.360069][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. execve("./syz-executor1199074584", ["./syz-executor1199074584"], 0x7ffc00b7f1a0 /* 10 vars */) = 0 brk(NULL) = 0x555555e3a000 brk(0x555555e3ac40) = 0x555555e3ac40 arch_prctl(ARCH_SET_FS, 0x555555e3a300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1199074584", 4096) = 28 brk(0x555555e5bc40) = 0x555555e5bc40 brk(0x555555e5c000) = 0x555555e5c000 mprotect(0x7f41a6475000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 syzkaller login: [ 49.300690][ T3614] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 49.312421][ T3614] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 49.320903][ T3614] CPU: 1 PID: 3614 Comm: syz-executor119 Not tainted 5.19.0-rc5-syzkaller-01146-gb77ffb30cfc5 #0 [ 49.331391][ T3614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 49.341430][ T3614] RIP: 0010:check_helper_call+0x4af3/0x8f40 [ 49.347313][ T3614] Code: 48 c1 ea 03 80 3c 02 00 0f 85 b9 38 00 00 48 8b 9b 00 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 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 14 [ 49.366906][ T3614] RSP: 0018:ffffc9000319f410 EFLAGS: 00010202 [ 49.372958][ T3614] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.380999][ T3614] RDX: 0000000000000001 RSI: ffffffff818d35a2 RDI: 0000000000000008 [ 49.388964][ T3614] RBP: ffffc9000319f610 R08: 0000000000000005 R09: 000000000000002b [ 49.396918][ T3614] R10: 000000000000002b R11: 0000000000000001 R12: 000000000000002b [ 49.404872][ T3614] R13: ffffc90000ade070 R14: ffff88801bc1b000 R15: 0000000000000070 [ 49.412834][ T3614] FS: 0000555555e3a300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.421762][ T3614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.428330][ T3614] CR2: 00007fc4445f5a70 CR3: 0000000025559000 CR4: 00000000003506e0 [ 49.436287][ T3614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.444245][ T3614] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.452209][ T3614] Call Trace: [ 49.455469][ T3614] [ 49.458395][ T3614] ? do_syscall_64+0x35/0xb0 [ 49.462984][ T3614] ? entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.469036][ T3614] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 49.474833][ T3614] ? check_func_arg_reg_off+0x210/0x210 [ 49.480367][ T3614] ? mark_reg_unknown+0x3e/0xc0 [ 49.485226][ T3614] do_check_common+0x612a/0xd2c0 [ 49.490151][ T3614] ? lockdep_hardirqs_on+0x79/0x100 [ 49.495336][ T3614] ? kasan_quarantine_put+0xf5/0x210 [ 49.500607][ T3614] ? lockdep_hardirqs_on+0x79/0x100 [ 49.505790][ T3614] ? check_helper_call+0x8f40/0x8f40 [ 49.511057][ T3614] ? push_insn+0x220/0x530 [ 49.515459][ T3614] ? kvfree+0x42/0x50 [ 49.519427][ T3614] ? check_cfg+0x670/0xb40 [ 49.523839][ T3614] bpf_check+0x7444/0xb0d0 [ 49.528262][ T3614] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.534265][ T3614] ? bpf_get_btf_vmlinux+0x10/0x10 [ 49.539362][ T3614] ? lock_downgrade+0x6e0/0x6e0 [ 49.544194][ T3614] ? __might_fault+0xd1/0x170 [ 49.548856][ T3614] ? lock_downgrade+0x6e0/0x6e0 [ 49.553686][ T3614] ? ktime_get_with_offset+0x3f2/0x500 [ 49.559130][ T3614] ? memset+0x20/0x40 [ 49.563100][ T3614] ? bpf_obj_name_cpy+0x144/0x1a0 [ 49.568200][ T3614] bpf_prog_load+0xfb2/0x2250 [ 49.573225][ T3614] ? __bpf_prog_put.constprop.0+0x220/0x220 [ 49.579103][ T3614] ? find_held_lock+0x2d/0x110 [ 49.583852][ T3614] ? __might_fault+0xd1/0x170 [ 49.588517][ T3614] ? lock_downgrade+0x6e0/0x6e0 [ 49.593356][ T3614] ? bpf_lsm_bpf+0x5/0x10 [ 49.597672][ T3614] __sys_bpf+0x133f/0x5750 [ 49.602073][ T3614] ? lock_release+0x780/0x780 [ 49.606731][ T3614] ? ptrace_stop.part.0+0x580/0xa80 [ 49.612000][ T3614] ? bpf_perf_link_attach+0x520/0x520 [ 49.617357][ T3614] ? do_raw_spin_lock+0x120/0x2a0 [ 49.622366][ T3614] ? rwlock_bug.part.0+0x90/0x90 [ 49.627284][ T3614] ? _raw_spin_lock_irq+0x41/0x50 [ 49.632293][ T3614] ? find_held_lock+0x2d/0x110 [ 49.637046][ T3614] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.642231][ T3614] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.647409][ T3614] ? lockdep_hardirqs_on+0x79/0x100 [ 49.652591][ T3614] __x64_sys_bpf+0x75/0xb0 [ 49.656988][ T3614] do_syscall_64+0x35/0xb0 [ 49.661390][ T3614] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.667268][ T3614] RIP: 0033:0x7f41a6408c59 [ 49.671669][ T3614] 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 [ 49.691268][ T3614] RSP: 002b:00007ffd5e9d3e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 49.699677][ T3614] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41a6408c59 [ 49.707644][ T3614] RDX: 0000000000000080 RSI: 0000000020000780 RDI: 0000000000000005 [ 49.715599][ T3614] RBP: 00007f41a63cce00 R08: 0000000000000000 R09: 0000000000000000 [ 49.723569][ T3614] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007f41a63cce90 [ 49.731643][ T3614] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.739610][ T3614] [ 49.742622][ T3614] Modules linked in: [ 49.746996][ T3614] ---[ end trace 0000000000000000 ]--- [ 49.752456][ T3614] RIP: 0010:check_helper_call+0x4af3/0x8f40 [ 49.758398][ T3614] Code: 48 c1 ea 03 80 3c 02 00 0f 85 b9 38 00 00 48 8b 9b 00 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 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 14 [ 49.778234][ T3614] RSP: 0018:ffffc9000319f410 EFLAGS: 00010202 [ 49.784314][ T3614] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.792292][ T3614] RDX: 0000000000000001 RSI: ffffffff818d35a2 RDI: 0000000000000008 [ 49.800282][ T3614] RBP: ffffc9000319f610 R08: 0000000000000005 R09: 000000000000002b [ 49.808267][ T3614] R10: 000000000000002b R11: 0000000000000001 R12: 000000000000002b [ 49.816247][ T3614] R13: ffffc90000ade070 R14: ffff88801bc1b000 R15: 0000000000000070 [ 49.824255][ T3614] FS: 0000555555e3a300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.833205][ T3614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.839789][ T3614] CR2: 00007fc4445f5a70 CR3: 0000000025559000 CR4: 00000000003506e0 [ 49.847870][ T3614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.855994][ T3614] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.864031][ T3614] Kernel panic - not syncing: Fatal exception [ 49.870271][ T3614] Kernel Offset: disabled [ 49.874622][ T3614] Rebooting in 86400 seconds..