syzkaller login: [ 39.012311] ------------[ cut here ]------------ [ 39.013244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.015257] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.016715] Modules linked in: [ 39.017505] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.019569] Tainted: [W]=WARN [ 39.020188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.021666] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.022592] 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 [ 39.025777] RSP: 0018:ffff8880165cfbc0 EFLAGS: 00010286 [ 39.026812] RAX: 0000000000000000 RBX: ffffed1002cb9f78 RCX: ffffffff813a4050 [ 39.028102] RDX: ffff8880188d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.029386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cb9f2f [ 39.030677] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.031964] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165cfdf8 [ 39.033255] FS: 00007f4c45cd8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.034722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.035772] CR2: 00007fff81035ef7 CR3: 000000000de25000 CR4: 0000000000350ef0 [ 39.037082] Call Trace: [ 39.037550] [ 39.037972] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.038880] ? __create_object+0x59/0x80 [ 39.039663] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.040643] __vmalloc_noprof+0x59/0x60 [ 39.041424] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.042322] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.043259] bpf_prog_alloc+0x39/0x200 [ 39.043957] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044886] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.045799] do_seccomp+0x349/0x25e0 [ 39.046629] ? find_held_lock+0x2b/0x80 [ 39.047473] ? do_prlimit+0x310/0x610 [ 39.048214] ? __pfx_do_seccomp+0x10/0x10 [ 39.048951] ? do_raw_spin_unlock+0x53/0x220 [ 39.049776] ? _raw_spin_unlock+0x1e/0x40 [ 39.050565] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.051544] ? static_key_count+0x60/0x80 [ 39.052357] prctl_set_seccomp+0x4e/0x70 [ 39.053137] __do_sys_prctl+0xe6c/0x1d70 [ 39.053885] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.054754] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.055730] ? irqentry_exit+0xf3/0x650 [ 39.056504] do_syscall_64+0xbf/0x430 [ 39.057254] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.058243] RIP: 0033:0x7f4c461ca5cd [ 39.058910] 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 [ 39.062100] RSP: 002b:00007fff81034850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.063476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4c461ca5cd [ 39.064765] RDX: 000055f4aaf4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.066095] RBP: 00007fff810348b0 R08: 0000000000000000 R09: 00007fff81033f50 [ 39.067383] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4ba805ad0 [ 39.068677] R13: 00007fff81034ce0 R14: 000055f4ba806bc0 R15: 000055f4ba817780 [ 39.070000] [ 39.070473] irq event stamp: 1805 [ 39.071130] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 39.072663] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 39.074208] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 39.075826] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 39.077351] ---[ end trace 0000000000000000 ]--- [ 41.781330] ------------[ cut here ]------------ [ 41.782258] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.784231] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.785924] Modules linked in: [ 41.786628] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.788632] Tainted: [W]=WARN [ 41.789229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.790726] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.791634] 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 [ 41.794820] RSP: 0018:ffff88800daa7bc0 EFLAGS: 00010286 [ 41.795798] RAX: 0000000000000000 RBX: ffffed1001b54f78 RCX: ffffffff813a4050 [ 41.797097] RDX: ffff888016291bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.798375] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b54f2f [ 41.799631] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.800913] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800daa7df8 [ 41.802208] FS: 00007fd26594e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.803634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.804695] CR2: 00007ffce4114ef7 CR3: 000000000dc8c000 CR4: 0000000000350ef0 [ 41.806007] Call Trace: [ 41.806515] [ 41.806938] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.807837] ? __create_object+0x59/0x80 [ 41.808619] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.809581] __vmalloc_noprof+0x59/0x60 [ 41.810365] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.811234] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.812172] bpf_prog_alloc+0x39/0x200 [ 41.812868] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.813780] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.814700] do_seccomp+0x349/0x25e0 [ 41.815430] ? find_held_lock+0x2b/0x80 [ 41.816188] ? do_prlimit+0x310/0x610 [ 41.816891] ? __pfx_do_seccomp+0x10/0x10 [ 41.817675] ? do_raw_spin_unlock+0x53/0x220 [ 41.818519] ? _raw_spin_unlock+0x1e/0x40 [ 41.819311] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.820269] ? static_key_count+0x60/0x80 [ 41.821026] prctl_set_seccomp+0x4e/0x70 [ 41.821830] __do_sys_prctl+0xe6c/0x1d70 [ 41.822605] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.823472] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.824428] ? irqentry_exit+0xf3/0x650 [ 41.825195] do_syscall_64+0xbf/0x430 [ 41.825908] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.826856] RIP: 0033:0x7fd265e405cd [ 41.827569] 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 [ 41.830766] RSP: 002b:00007ffce4112400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.832133] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd265e405cd [ 41.833406] RDX: 000055b0473d6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.834711] RBP: 00007ffce4112460 R08: 0000000000000000 R09: 00007ffce4111b00 [ 41.835976] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b05007aad0 [ 41.837266] R13: 00007ffce4112890 R14: 000055b05007bbc0 R15: 000055b05008c780 [ 41.838583] [ 41.839007] irq event stamp: 1793 [ 41.839654] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 41.841176] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 41.842699] softirqs last enabled at (1376): [] handle_softirqs+0x50c/0x770 [ 41.843694] softirqs last disabled at (1371): [] __irq_exit_rcu+0xc4/0x100 [ 41.844666] ---[ end trace 0000000000000000 ]--- [ 42.386500] ------------[ cut here ]------------ [ 42.387007] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.388132] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.388871] Modules linked in: [ 42.389221] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.390268] Tainted: [W]=WARN [ 42.390561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.391326] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.391776] 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 [ 42.393397] RSP: 0018:ffff88801ab4fbc0 EFLAGS: 00010286 [ 42.393887] RAX: 0000000000000000 RBX: ffffed1003569f78 RCX: ffffffff813a4050 [ 42.394550] RDX: ffff88800d109bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.395221] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003569f2f [ 42.395859] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.396515] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab4fdf8 [ 42.397170] FS: 00007ff896c41900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.397894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.398445] CR2: 00007ff897133580 CR3: 000000000d276000 CR4: 0000000000350ef0 [ 42.399109] Call Trace: [ 42.399353] [ 42.399563] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.400000] ? __create_object+0x59/0x80 [ 42.400407] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.400887] __vmalloc_noprof+0x59/0x60 [ 42.401267] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.401694] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.402182] bpf_prog_alloc+0x39/0x200 [ 42.402541] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.402987] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.403453] do_seccomp+0x349/0x25e0 [ 42.403803] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.404265] ? __pfx_do_seccomp+0x10/0x10 [ 42.404649] ? find_held_lock+0x2b/0x80 [ 42.405019] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.405516] ? static_key_count+0x60/0x80 [ 42.405918] prctl_set_seccomp+0x4e/0x70 [ 42.406319] __do_sys_prctl+0xe6c/0x1d70 [ 42.406703] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.407154] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.407636] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.408144] ? irqentry_exit+0xf3/0x650 [ 42.408522] do_syscall_64+0xbf/0x430 [ 42.408883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.409379] RIP: 0033:0x7ff8971335cd [ 42.409723] 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 [ 42.411378] RSP: 002b:00007ffca77d78f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.412085] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8971335cd [ 42.412731] RDX: 000055dabe7dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.413394] RBP: 00007ffca77d7950 R08: 0000000000000000 R09: 00007ffca77d6ff0 [ 42.414047] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dae7871ad0 [ 42.414718] R13: 00007ffca77d7d80 R14: 000055dae7872bc0 R15: 000055dae7883780 [ 42.415399] [ 42.415623] irq event stamp: 1681 [ 42.415935] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 42.416729] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 42.417521] softirqs last enabled at (1314): [] handle_softirqs+0x50c/0x770 [ 42.418851] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 42.419633] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6671' (ECDSA) to the list of known hosts. 2025/11/18 12:38:43 fuzzer started 2025/11/18 12:38:43 dialing manager at localhost:34383 2025/11/18 12:38:43 checking machine... 2025/11/18 12:38:43 checking revisions... [ 43.190658] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:38:43 testing simple program... [ 43.259652] cgroup: Unknown subsys name 'net' [ 43.308728] cgroup: Unknown subsys name 'cpuset' [ 43.317541] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:38:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880145981ec RCX=ffff8880145981e8 RDX=1ffff110028b303d RSI=ffff88801766442a RDI=ffff8880145981e8 RBP=ffff88800f894000 RSP=ffff888015f7f768 R8 =000000006d6d6f63 R9 =ffffed10028b303d R10=ffff8880145981eb R11=0000000000000001 R12=ffff888014598178 R13=0000000000000004 R14=ffff888015f7fc4c R15=0000000000000004 RIP=ffffffff81bef906 RFL=00000213 [----A-C] 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 00007f25135cb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2512ce2000 CR3=000000000e030000 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=25252525252525252525252525252525 XMM01=0000000000ff000000000000000000ff XMM02=0000000000ff000000000000000000ff XMM03=16794d36bb3698070000000000306140 XMM04=873f01224eed262400000000000ae988 XMM05=d40d8753787f89670000000000320f98 XMM06=1d419ac71777684e000000000031fd38 XMM07=fb795ef6d6577056000000000030f178 XMM08=636f72702f0064696e6f697373657300 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000f RBX=ffff88800b6dd5a0 RCX=0000000000000001 RDX=0000000000002800 RSI=000000000000000f RDI=ffff8880174377a0 RBP=0000000000000001 RSP=ffff888017437728 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000002800 R14=ffff8880174377a0 R15=ffff88800944c280 RIP=ffffffff816192b6 RFL=00000246 [---Z-P-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005604a34ca040 CR3=000000000dccf000 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=38333a323120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732032343a3833 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323838 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000