syzkaller login: [ 38.965034] ------------[ cut here ]------------ [ 38.965969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.968350] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.969801] Modules linked in: [ 38.970427] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.972417] Tainted: [W]=WARN [ 38.972967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.974434] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.975313] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.978500] RSP: 0018:ffff88801c87fbc0 EFLAGS: 00010286 [ 38.979479] RAX: 0000000000000000 RBX: ffffed100390ff78 RCX: ffffffff813a4050 [ 38.980756] RDX: ffff88801bd39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.982029] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100390ff2f [ 38.983345] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.984629] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c87fdf8 [ 38.985900] FS: 00007fc1a0b33900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.987367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.988439] CR2: 00007fc1a1025580 CR3: 000000000d6bf000 CR4: 0000000000350ef0 [ 38.989727] Call Trace: [ 38.990184] [ 38.990636] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.991562] ? __create_object+0x59/0x80 [ 38.992305] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.993282] __vmalloc_noprof+0x59/0x60 [ 38.994038] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.994930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.995851] bpf_prog_alloc+0x39/0x200 [ 38.996587] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.997522] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.998435] do_seccomp+0x349/0x25e0 [ 38.999117] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.000017] ? __pfx_do_seccomp+0x10/0x10 [ 39.000819] ? find_held_lock+0x2b/0x80 [ 39.001650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.002647] ? static_key_count+0x60/0x80 [ 39.003461] prctl_set_seccomp+0x4e/0x70 [ 39.004188] __do_sys_prctl+0xe6c/0x1d70 [ 39.004979] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.005831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.006818] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.007793] ? irqentry_exit+0xf3/0x650 [ 39.008564] do_syscall_64+0xbf/0x430 [ 39.009258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.010203] RIP: 0033:0x7fc1a10255cd [ 39.010914] 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 [ 39.014084] RSP: 002b:00007ffcae9e1e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.015459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1a10255cd [ 39.016736] RDX: 000055af41417e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.018009] RBP: 00007ffcae9e1e60 R08: 0000000000000000 R09: 00007ffcae9e1500 [ 39.019318] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af6ee61ad0 [ 39.020633] R13: 00007ffcae9e2290 R14: 000055af6ee62bc0 R15: 000055af6ee73780 [ 39.021928] [ 39.022385] irq event stamp: 1745 [ 39.022973] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.024234] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.025501] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.026799] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 39.028053] ---[ end trace 0000000000000000 ]--- [ 42.496764] ------------[ cut here ]------------ [ 42.497531] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.499239] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 42.500440] Modules linked in: [ 42.500929] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.502557] Tainted: [W]=WARN [ 42.503025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.504234] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.504982] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.507672] RSP: 0018:ffff8880170b7bc0 EFLAGS: 00010286 [ 42.508488] RAX: 0000000000000000 RBX: ffffed1002e16f78 RCX: ffffffff813a4050 [ 42.509559] RDX: ffff88801bd13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.510621] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e16f2f [ 42.511689] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.512742] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170b7df8 [ 42.513820] FS: 00007fe9e23ba900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.515031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.515904] CR2: 00007ffc2e33def7 CR3: 00000000203be000 CR4: 0000000000350ef0 [ 42.516974] Call Trace: [ 42.517387] [ 42.517728] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.518472] ? __create_object+0x59/0x80 [ 42.519096] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.519889] __vmalloc_noprof+0x59/0x60 [ 42.520522] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.521214] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.522012] bpf_prog_alloc+0x39/0x200 [ 42.522616] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.523392] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.524104] do_seccomp+0x349/0x25e0 [ 42.524704] ? find_held_lock+0x2b/0x80 [ 42.525309] ? do_prlimit+0x310/0x610 [ 42.525930] ? __pfx_do_seccomp+0x10/0x10 [ 42.526589] ? do_raw_spin_unlock+0x53/0x220 [ 42.527257] ? _raw_spin_unlock+0x1e/0x40 [ 42.527905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.528703] ? static_key_count+0x60/0x80 [ 42.529370] prctl_set_seccomp+0x4e/0x70 [ 42.529988] __do_sys_prctl+0xe6c/0x1d70 [ 42.530640] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.531353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.532121] ? irqentry_exit+0xf3/0x650 [ 42.532774] do_syscall_64+0xbf/0x430 [ 42.533383] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.534136] RIP: 0033:0x7fe9e28ac5cd [ 42.534734] 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 [ 42.537361] RSP: 002b:00007ffc2e33bbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.538500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9e28ac5cd [ 42.539575] RDX: 0000560f168e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.540643] RBP: 00007ffc2e33bc10 R08: 0000000000000000 R09: 00007ffc2e33b2b0 [ 42.541709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f3a70e240 [ 42.542793] R13: 00007ffc2e33c040 R14: 0000560f3a717380 R15: 0000560f3a722540 [ 42.543900] [ 42.544254] irq event stamp: 1713 [ 42.544793] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.546060] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.547356] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.548646] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.549911] ---[ end trace 0000000000000000 ]--- [ 43.397760] ------------[ cut here ]------------ [ 43.398735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.400771] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.402247] Modules linked in: [ 43.402920] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.404876] Tainted: [W]=WARN [ 43.405464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.406922] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.407812] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.410985] RSP: 0018:ffff88801c3b7bc0 EFLAGS: 00010286 [ 43.411954] RAX: 0000000000000000 RBX: ffffed1003876f78 RCX: ffffffff813a4050 [ 43.413199] RDX: ffff88801bebb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.414472] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003876f2f [ 43.415730] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.417008] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c3b7df8 [ 43.418269] FS: 00007f91048ea900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.419714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.420771] CR2: 00007ffc61381ef7 CR3: 0000000020852000 CR4: 0000000000350ef0 [ 43.422021] Call Trace: [ 43.422531] [ 43.422944] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.423827] ? __create_object+0x59/0x80 [ 43.424591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.425530] __vmalloc_noprof+0x59/0x60 [ 43.426241] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.427128] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.428030] bpf_prog_alloc+0x39/0x200 [ 43.428740] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.429651] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.430529] do_seccomp+0x349/0x25e0 [ 43.431199] ? find_held_lock+0x2b/0x80 [ 43.431947] ? do_prlimit+0x310/0x610 [ 43.432671] ? __pfx_do_seccomp+0x10/0x10 [ 43.433439] ? do_raw_spin_unlock+0x53/0x220 [ 43.434223] ? _raw_spin_unlock+0x1e/0x40 [ 43.435016] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.435949] ? static_key_count+0x60/0x80 [ 43.436735] prctl_set_seccomp+0x4e/0x70 [ 43.437509] __do_sys_prctl+0xe6c/0x1d70 [ 43.438241] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.439093] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.440089] ? irqentry_exit+0xf3/0x650 [ 43.440865] do_syscall_64+0xbf/0x430 [ 43.441600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.442562] RIP: 0033:0x7f9104ddc5cd [ 43.443239] 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 [ 43.446407] RSP: 002b:00007ffc613807c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.447787] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9104ddc5cd [ 43.449075] RDX: 0000556b01409e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.450366] RBP: 00007ffc61380820 R08: 0000000000000000 R09: 00007ffc6137fec0 [ 43.451667] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b323882b0 [ 43.452949] R13: 00007ffc61380c50 R14: 0000556b3238ad20 R15: 0000556b3239c8d0 [ 43.454259] [ 43.454741] irq event stamp: 1755 [ 43.455362] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.456635] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.457902] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 43.459207] softirqs last disabled at (1621): [] __irq_exit_rcu+0xc4/0x100 [ 43.460460] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29283' (ECDSA) to the list of known hosts. 2025/11/17 09:16:18 fuzzer started 2025/11/17 09:16:19 dialing manager at localhost:37895 2025/11/17 09:16:19 checking machine... 2025/11/17 09:16:19 checking revisions... [ 44.346541] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:16:19 testing simple program... [ 44.432110] cgroup: Unknown subsys name 'net' [ 44.484913] cgroup: Unknown subsys name 'cpuset' [ 44.495780] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:16:18 Registers: info registers vcpu 0 RAX=ffffffff81445b58 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff81445b58 RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=000000000000b615 R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff81618fa0 RFL=00000282 [--S----] 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=00007f034fdaa260 CR3=0000000013830000 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=2038313a36313a393020373120766f4e XMM01=6964206465766965636552203a5d3833 XMM02=6f63736964203a31313a343235323520 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037313a36313a3930203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080010103 RBX=0000000000000001 RCX=ffffffff8162e405 RDX=ffff888016f18000 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88806cf28e58 RSP=ffff88806cf08778 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=0000000a0543c380 R15=dffffc0000000000 RIP=ffffffff81751c70 RFL=00000002 [-------] 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 00007fe9e23ba900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe9e296f650 CR3=0000000013b48000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000