syzkaller login: [ 39.005224] ------------[ cut here ]------------ [ 39.006168] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.008190] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.009658] Modules linked in: [ 39.010284] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.012324] Tainted: [W]=WARN [ 39.012926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.014444] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.015369] 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 [ 39.018646] RSP: 0018:ffff88800f107bc0 EFLAGS: 00010286 [ 39.019596] RAX: 0000000000000000 RBX: ffffed1001e20f78 RCX: ffffffff813a4050 [ 39.020937] RDX: ffff888017525340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.022235] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e20f2f [ 39.023571] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024868] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f107df8 [ 39.026154] FS: 00007f5d987c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.027664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.028743] CR2: 00007f5d98cb7580 CR3: 000000001cad5000 CR4: 0000000000350ef0 [ 39.030046] Call Trace: [ 39.030552] [ 39.031010] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.031932] ? __create_object+0x59/0x80 [ 39.032727] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.033716] __vmalloc_noprof+0x59/0x60 [ 39.034469] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.035358] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.036305] bpf_prog_alloc+0x39/0x200 [ 39.037043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.037985] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.038930] do_seccomp+0x349/0x25e0 [ 39.039603] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.040519] ? __pfx_do_seccomp+0x10/0x10 [ 39.041304] ? find_held_lock+0x2b/0x80 [ 39.042066] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.043096] ? static_key_count+0x60/0x80 [ 39.043913] prctl_set_seccomp+0x4e/0x70 [ 39.044698] __do_sys_prctl+0xe6c/0x1d70 [ 39.045447] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.046349] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.047331] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.048308] ? irqentry_exit+0xf3/0x650 [ 39.049070] do_syscall_64+0xbf/0x430 [ 39.049824] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.050825] RIP: 0033:0x7f5d98cb75cd [ 39.051499] 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 [ 39.054706] RSP: 002b:00007ffe3ff2e950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.056076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d98cb75cd [ 39.057376] RDX: 000055906d952e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.058743] RBP: 00007ffe3ff2e9b0 R08: 0000000000000000 R09: 00007ffe3ff2e050 [ 39.060065] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590914002b0 [ 39.061358] R13: 00007ffe3ff2ede0 R14: 0000559091402d20 R15: 00005590914148d0 [ 39.062717] [ 39.063154] irq event stamp: 1741 [ 39.063808] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 39.065349] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 39.066842] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 39.068138] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 39.069395] ---[ end trace 0000000000000000 ]--- [ 41.980334] ------------[ cut here ]------------ [ 41.981112] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.982884] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.984135] Modules linked in: [ 41.984641] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.986396] Tainted: [W]=WARN [ 41.986951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.988160] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.988898] 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 [ 41.991576] RSP: 0018:ffff888018627bc0 EFLAGS: 00010286 [ 41.992382] RAX: 0000000000000000 RBX: ffffed10030c4f78 RCX: ffffffff813a4050 [ 41.993447] RDX: ffff8880160ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.994605] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030c4f2f [ 41.995685] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.996749] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018627df8 [ 41.997816] FS: 00007f3421804900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.999033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.999919] CR2: 00007f3421cf6580 CR3: 000000001f559000 CR4: 0000000000350ef0 [ 42.000985] Call Trace: [ 42.001376] [ 42.001753] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.002474] ? __create_object+0x59/0x80 [ 42.003128] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.003933] __vmalloc_noprof+0x59/0x60 [ 42.004524] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.005254] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.006025] bpf_prog_alloc+0x39/0x200 [ 42.006611] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.007389] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.008141] do_seccomp+0x349/0x25e0 [ 42.008748] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.009453] ? __pfx_do_seccomp+0x10/0x10 [ 42.010103] ? find_held_lock+0x2b/0x80 [ 42.010743] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.011504] ? static_key_count+0x60/0x80 [ 42.012170] prctl_set_seccomp+0x4e/0x70 [ 42.012808] __do_sys_prctl+0xe6c/0x1d70 [ 42.013419] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.014134] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.014959] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.015766] ? irqentry_exit+0xf3/0x650 [ 42.016367] do_syscall_64+0xbf/0x430 [ 42.016977] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.017776] RIP: 0033:0x7f3421cf65cd [ 42.018345] 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 [ 42.020979] RSP: 002b:00007ffd1b9ef780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.022111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3421cf65cd [ 42.023188] RDX: 0000557942a82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.024248] RBP: 00007ffd1b9ef7e0 R08: 0000000000000000 R09: 00007ffd1b9eee80 [ 42.025311] R10: 0000000000000000 R11: 0000000000000246 R12: 00005579494cd2b0 [ 42.026384] R13: 00007ffd1b9efc10 R14: 00005579494cfd20 R15: 00005579494e18d0 [ 42.027464] [ 42.027848] irq event stamp: 1685 [ 42.028349] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 42.029636] hardirqs last disabled at (1704): [] __up_console_sem+0x5d/0x80 [ 42.030918] softirqs last enabled at (1442): [] handle_softirqs+0x50c/0x770 [ 42.032199] softirqs last disabled at (1437): [] __irq_exit_rcu+0xc4/0x100 [ 42.033462] ---[ end trace 0000000000000000 ]--- [ 42.760555] ------------[ cut here ]------------ [ 42.761507] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.763325] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.764533] Modules linked in: [ 42.765051] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.766693] Tainted: [W]=WARN [ 42.767162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.768509] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.769273] 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 [ 42.771927] RSP: 0018:ffff8880184ffbc0 EFLAGS: 00010286 [ 42.772728] RAX: 0000000000000000 RBX: ffffed100309ff78 RCX: ffffffff813a4050 [ 42.773780] RDX: ffff888016799bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.774859] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100309ff2f [ 42.776149] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.777422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880184ffdf8 [ 42.778735] FS: 00007f9bec94f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.780138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.781036] CR2: 00007ffe13a1aef8 CR3: 000000001f5f8000 CR4: 0000000000350ef0 [ 42.782105] Call Trace: [ 42.782502] [ 42.782887] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.783595] ? __create_object+0x59/0x80 [ 42.784244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.785057] __vmalloc_noprof+0x59/0x60 [ 42.785698] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.786396] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.787165] bpf_prog_alloc+0x39/0x200 [ 42.787779] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.788513] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.789267] do_seccomp+0x349/0x25e0 [ 42.789866] ? find_held_lock+0x2b/0x80 [ 42.790469] ? do_prlimit+0x310/0x610 [ 42.791092] ? __pfx_do_seccomp+0x10/0x10 [ 42.791744] ? do_raw_spin_unlock+0x53/0x220 [ 42.792397] ? _raw_spin_unlock+0x1e/0x40 [ 42.793051] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.793855] ? static_key_count+0x60/0x80 [ 42.794493] prctl_set_seccomp+0x4e/0x70 [ 42.795134] __do_sys_prctl+0xe6c/0x1d70 [ 42.795793] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.796477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.797279] ? irqentry_exit+0xf3/0x650 [ 42.797918] do_syscall_64+0xbf/0x430 [ 42.798505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.799294] RIP: 0033:0x7f9bece415cd [ 42.799883] 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 [ 42.802520] RSP: 002b:00007ffe13a18d00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.803671] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9bece415cd [ 42.804751] RDX: 000055f4e2bdbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.805820] RBP: 00007ffe13a18d60 R08: 0000000000000000 R09: 00007ffe13a18400 [ 42.806907] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f503028ad0 [ 42.807992] R13: 00007ffe13a19190 R14: 000055f503029bc0 R15: 000055f50303a780 [ 42.809083] [ 42.809438] irq event stamp: 2167 [ 42.809978] hardirqs last enabled at (2177): [] __up_console_sem+0x78/0x80 [ 42.811250] hardirqs last disabled at (2186): [] __up_console_sem+0x5d/0x80 [ 42.812515] softirqs last enabled at (2156): [] handle_softirqs+0x50c/0x770 [ 42.813802] softirqs last disabled at (2151): [] __irq_exit_rcu+0xc4/0x100 [ 42.815073] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60309' (ECDSA) to the list of known hosts. 2025/11/19 06:03:23 fuzzer started 2025/11/19 06:03:23 dialing manager at localhost:34383 2025/11/19 06:03:23 checking machine... 2025/11/19 06:03:23 checking revisions... [ 43.740760] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:03:24 testing simple program... [ 43.833734] cgroup: Unknown subsys name 'net' [ 43.911203] cgroup: Unknown subsys name 'cpuset' [ 43.930307] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:03:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627728 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000897b R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888009627810 RIP=ffffffff81529257 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f34217e3020 CR3=000000000db7d000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d55447 RBX=0000000000000001 RCX=ffffffff86aaa234 RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffff88801a277470 RBP=ffff88801a277460 RSP=ffff88801a277398 R8 =ffffffff86aaa238 R9 =ffff88801a277448 R10=000000000003c9ed R11=0000000000023016 R12=ffff88801a277468 R13=ffff88801a277450 R14=ffff88801a277b68 R15=ffff88801a277408 RIP=ffffffff8135f084 RFL=00000216 [----AP-] 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 00007f3421804900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f34217ce008 CR3=000000000db7d000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000