syzkaller login: [ 38.915818] ------------[ cut here ]------------ [ 38.916749] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.918779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.920227] Modules linked in: [ 38.920819] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.922834] Tainted: [W]=WARN [ 38.923448] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.924938] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.925872] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 38.929081] RSP: 0018:ffff888017a17bc0 EFLAGS: 00010286 [ 38.930058] RAX: 0000000000000000 RBX: ffffed1002f42f78 RCX: ffffffff813a4050 [ 38.931362] RDX: ffff888016745340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.932665] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f42f2f [ 38.933958] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.935277] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a17df8 [ 38.936557] FS: 00007feb8cda0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.938018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.939106] CR2: 00007fff8d32eef7 CR3: 000000000e368000 CR4: 0000000000350ef0 [ 38.940404] Call Trace: [ 38.940875] [ 38.941334] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.942236] ? __create_object+0x59/0x80 [ 38.942999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.943967] __vmalloc_noprof+0x59/0x60 [ 38.944726] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.945611] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.946555] bpf_prog_alloc+0x39/0x200 [ 38.947286] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.948164] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.949076] do_seccomp+0x349/0x25e0 [ 38.949814] ? find_held_lock+0x2b/0x80 [ 38.950594] ? do_prlimit+0x310/0x610 [ 38.951336] ? __pfx_do_seccomp+0x10/0x10 [ 38.952079] ? do_raw_spin_unlock+0x53/0x220 [ 38.953101] ? _raw_spin_unlock+0x1e/0x40 [ 38.953944] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.954967] ? static_key_count+0x60/0x80 [ 38.955812] prctl_set_seccomp+0x4e/0x70 [ 38.956612] __do_sys_prctl+0xe6c/0x1d70 [ 38.957457] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.958387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.959397] ? irqentry_exit+0xf3/0x650 [ 38.960152] do_syscall_64+0xbf/0x430 [ 38.960958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.961966] RIP: 0033:0x7feb8d2925cd [ 38.962733] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 38.966047] RSP: 002b:00007fff8d32c870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.967489] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feb8d2925cd [ 38.968840] RDX: 000056320fcb4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.970208] RBP: 00007fff8d32c8d0 R08: 0000000000000000 R09: 00007fff8d32bf70 [ 38.971524] R10: 0000000000000000 R11: 0000000000000246 R12: 000056322fd20ad0 [ 38.972809] R13: 00007fff8d32cd00 R14: 000056322fd21bc0 R15: 000056322fd32780 [ 38.974117] [ 38.974605] irq event stamp: 1779 [ 38.975270] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 38.976796] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 38.978317] softirqs last enabled at (1324): [] handle_softirqs+0x50c/0x770 [ 38.979874] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 38.981397] ---[ end trace 0000000000000000 ]--- [ 42.438595] ------------[ cut here ]------------ [ 42.439602] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.441834] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 42.443489] Modules linked in: [ 42.444139] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.446438] Tainted: [W]=WARN [ 42.447060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.448706] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.449734] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.453327] RSP: 0018:ffff88801776fbc0 EFLAGS: 00010286 [ 42.454435] RAX: 0000000000000000 RBX: ffffed1002eedf78 RCX: ffffffff813a4050 [ 42.455873] RDX: ffff888017023780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.457320] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eedf2f [ 42.458769] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.460207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801776fdf8 [ 42.461648] FS: 00007f3a2ead8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.463279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.464462] CR2: 00007f3a2f03e4a6 CR3: 000000001ab95000 CR4: 0000000000350ef0 [ 42.465897] Call Trace: [ 42.466476] [ 42.466935] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.467925] ? __create_object+0x59/0x80 [ 42.468781] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.469862] __vmalloc_noprof+0x59/0x60 [ 42.470735] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.471689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.472708] bpf_prog_alloc+0x39/0x200 [ 42.473508] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.474545] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.475551] do_seccomp+0x349/0x25e0 [ 42.476342] ? find_held_lock+0x2b/0x80 [ 42.477128] ? do_prlimit+0x310/0x610 [ 42.477952] ? __pfx_do_seccomp+0x10/0x10 [ 42.478802] ? do_raw_spin_unlock+0x53/0x220 [ 42.479685] ? _raw_spin_unlock+0x1e/0x40 [ 42.480403] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.481256] ? static_key_count+0x60/0x80 [ 42.481943] prctl_set_seccomp+0x4e/0x70 [ 42.482646] __do_sys_prctl+0xe6c/0x1d70 [ 42.483335] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.484057] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.484915] ? irqentry_exit+0xf3/0x650 [ 42.485601] do_syscall_64+0xbf/0x430 [ 42.486254] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.487063] RIP: 0033:0x7f3a2efca5cd [ 42.487682] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.490463] RSP: 002b:00007fff80851150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.491674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a2efca5cd [ 42.492814] RDX: 0000560ea79bce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.493937] RBP: 00007fff808511b0 R08: 0000000000000000 R09: 00007fff80850850 [ 42.495367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560eadd33ad0 [ 42.496666] R13: 00007fff808515e0 R14: 0000560eadd34bc0 R15: 0000560eadd45780 [ 42.497995] [ 42.498493] irq event stamp: 1671 [ 42.499015] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 42.500294] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 42.501551] softirqs last enabled at (1488): [] handle_softirqs+0x50c/0x770 [ 42.502855] softirqs last disabled at (1483): [] __irq_exit_rcu+0xc4/0x100 [ 42.504109] ---[ end trace 0000000000000000 ]--- [ 43.288385] ------------[ cut here ]------------ [ 43.289333] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.291331] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 43.292830] Modules linked in: [ 43.293478] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.295500] Tainted: [W]=WARN [ 43.296060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.297530] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.298469] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.301655] RSP: 0018:ffff88800f9b7bc0 EFLAGS: 00010286 [ 43.302649] RAX: 0000000000000000 RBX: ffffed1001f36f78 RCX: ffffffff813a4050 [ 43.303938] RDX: ffff88800fb20000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.305232] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f36f2f [ 43.306539] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.307819] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f9b7df8 [ 43.309108] FS: 00007f633e481900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.310556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.311614] CR2: 00007f633e973580 CR3: 000000000d160000 CR4: 0000000000350ef0 [ 43.312919] Call Trace: [ 43.313447] [ 43.313866] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.314789] ? __create_object+0x59/0x80 [ 43.315582] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.316570] __vmalloc_noprof+0x59/0x60 [ 43.317364] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.318245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.319166] bpf_prog_alloc+0x39/0x200 [ 43.319914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.320836] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.321747] do_seccomp+0x349/0x25e0 [ 43.322481] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.323410] ? __pfx_do_seccomp+0x10/0x10 [ 43.324143] ? find_held_lock+0x2b/0x80 [ 43.324906] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.325860] ? static_key_count+0x60/0x80 [ 43.326702] prctl_set_seccomp+0x4e/0x70 [ 43.327482] __do_sys_prctl+0xe6c/0x1d70 [ 43.328283] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.329095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.330129] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.331242] ? irqentry_exit+0xf3/0x650 [ 43.332031] do_syscall_64+0xbf/0x430 [ 43.332905] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.334014] RIP: 0033:0x7f633e9735cd [ 43.334856] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.338154] RSP: 002b:00007ffc1ac07380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.339585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f633e9735cd [ 43.340897] RDX: 0000557d8fed6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.342382] RBP: 00007ffc1ac073e0 R08: 0000000000000000 R09: 00007ffc1ac06a80 [ 43.343836] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557da8598ad0 [ 43.345267] R13: 00007ffc1ac07810 R14: 0000557da8599bc0 R15: 0000557da85aa780 [ 43.346762] [ 43.347279] irq event stamp: 1729 [ 43.347969] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 43.349668] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 43.351337] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 43.352766] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 43.354255] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25309' (ECDSA) to the list of known hosts. 2025/11/18 14:11:06 fuzzer started 2025/11/18 14:11:06 dialing manager at localhost:34383 2025/11/18 14:11:06 checking machine... 2025/11/18 14:11:06 checking revisions... [ 44.265493] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:11:06 testing simple program... [ 44.352584] cgroup: Unknown subsys name 'net' [ 44.422003] cgroup: Unknown subsys name 'cpuset' [ 44.436148] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:11:05 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888017a17b40 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888017a172f8 R8 =0000000000000001 R9 =ffff888017a173f0 R10=000000000003c9ed R11=00000000000a24d7 R12=ffffffff8135e7a2 R13=ffff888017a173f8 R14=ffff888017a17b10 R15=ffff888017a173b0 RIP=ffffffff81528efc RFL=00000247 [---Z-PC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f3a2ead8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3a2f08f618 CR3=000000000cfe3000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88806cf09001 RBX=0000000000000002 RCX=0000000000000002 RDX=ffff88806cf08f01 RSI=ffff88806cf08fc8 RDI=ffff88806cf08a90 RBP=ffff88806cf08fc8 RSP=ffff88806cf089e8 R8 =0000000000000001 R9 =ffff88806cf08ac0 R10=000000000003c9ed R11=0000000000008964 R12=0000000000000008 R13=ffff88806cf01000 R14=ffff88806cf08fc8 R15=ffff88806cf08a80 RIP=ffffffff8135e2ee RFL=00000292 [--S-A--] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f70ae655900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000560eadd30218 CR3=000000000da47000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000a60ce07b00000000cec3662e XMM01=000000000000000075b83ce873234b0d XMM02=0000000000000000719a44e53969d293 XMM03=c4676012d2b5bb730000000000302ae8 XMM04=2d335f559b5c617c00000000000ae988 XMM05=1319e678c5640f8a00000000003205b0 XMM06=50bc7b2586e41a3d0000000000320518 XMM07=58f17c1affdc82d6000000000030fa28 XMM08=406589be3f9c4b22000000000030f890 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000