syzkaller login: [ 39.016484] ------------[ cut here ]------------ [ 39.017397] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.019394] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.020923] Modules linked in: [ 39.021552] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.023510] Tainted: [W]=WARN [ 39.024063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.025552] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.026450] 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 [ 39.029658] RSP: 0018:ffff8880198bfbc0 EFLAGS: 00010286 [ 39.030641] RAX: 0000000000000000 RBX: ffffed1003317f78 RCX: ffffffff813a4050 [ 39.031920] RDX: ffff888016ef3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.033239] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003317f2f [ 39.034524] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.035794] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198bfdf8 [ 39.037091] FS: 00007ff08973b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.038517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.039561] CR2: 00007fff19349ef7 CR3: 000000000d827000 CR4: 0000000000350ef0 [ 39.040861] Call Trace: [ 39.041372] [ 39.041784] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.042688] ? __create_object+0x59/0x80 [ 39.043476] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.044493] __vmalloc_noprof+0x59/0x60 [ 39.045216] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.046087] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.047019] bpf_prog_alloc+0x39/0x200 [ 39.047748] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048709] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.049607] do_seccomp+0x349/0x25e0 [ 39.050332] ? find_held_lock+0x2b/0x80 [ 39.051041] ? do_prlimit+0x310/0x610 [ 39.051774] ? __pfx_do_seccomp+0x10/0x10 [ 39.052588] ? do_raw_spin_unlock+0x53/0x220 [ 39.053422] ? _raw_spin_unlock+0x1e/0x40 [ 39.054155] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.055121] ? static_key_count+0x60/0x80 [ 39.055910] prctl_set_seccomp+0x4e/0x70 [ 39.056725] __do_sys_prctl+0xe6c/0x1d70 [ 39.057495] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.058330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.059258] ? irqentry_exit+0xf3/0x650 [ 39.060019] do_syscall_64+0xbf/0x430 [ 39.060806] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.061767] RIP: 0033:0x7ff089c2d5cd [ 39.062467] 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 [ 39.065635] RSP: 002b:00007fff19347ef0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.066996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff089c2d5cd [ 39.068311] RDX: 00005592a5371e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.069605] RBP: 00007fff19347f50 R08: 0000000000000000 R09: 00007fff193475f0 [ 39.070892] R10: 0000000000000000 R11: 0000000000000246 R12: 00005592dac9eb10 [ 39.072164] R13: 00007fff19348380 R14: 00005592dac9f2b0 R15: 00005592dacb36f0 [ 39.073494] [ 39.073919] irq event stamp: 1829 [ 39.074562] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.076086] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 39.077630] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.079167] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 39.080678] ---[ end trace 0000000000000000 ]--- [ 41.885643] ------------[ cut here ]------------ [ 41.886616] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.888768] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.890369] Modules linked in: [ 41.890985] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.893079] Tainted: [W]=WARN [ 41.893691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.895234] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.896191] 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 [ 41.899543] RSP: 0018:ffff888016e67bc0 EFLAGS: 00010286 [ 41.900585] RAX: 0000000000000000 RBX: ffffed1002dccf78 RCX: ffffffff813a4050 [ 41.901927] RDX: ffff888018415340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.903293] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dccf2f [ 41.904651] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.905992] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e67df8 [ 41.907343] FS: 00007fb8274d9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.908869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.909985] CR2: 00007ffde68c8ef7 CR3: 000000000dfdf000 CR4: 0000000000350ef0 [ 41.911338] Call Trace: [ 41.911825] [ 41.912262] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.913211] ? __create_object+0x59/0x80 [ 41.914030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.915056] __vmalloc_noprof+0x59/0x60 [ 41.915852] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.916782] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.917747] bpf_prog_alloc+0x39/0x200 [ 41.918521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.919497] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.920455] do_seccomp+0x349/0x25e0 [ 41.921162] ? find_held_lock+0x2b/0x80 [ 41.921958] ? do_prlimit+0x310/0x610 [ 41.922735] ? __pfx_do_seccomp+0x10/0x10 [ 41.923548] ? do_raw_spin_unlock+0x53/0x220 [ 41.924424] ? _raw_spin_unlock+0x1e/0x40 [ 41.925195] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.926204] ? static_key_count+0x60/0x80 [ 41.927046] prctl_set_seccomp+0x4e/0x70 [ 41.927880] __do_sys_prctl+0xe6c/0x1d70 [ 41.928713] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.929608] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.930624] ? irqentry_exit+0xf3/0x650 [ 41.931426] do_syscall_64+0xbf/0x430 [ 41.932148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.933159] RIP: 0033:0x7fb8279cb5cd [ 41.933892] 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 [ 41.937248] RSP: 002b:00007ffde68c7670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.938705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb8279cb5cd [ 41.940053] RDX: 000055f660d8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.941414] RBP: 00007ffde68c76d0 R08: 0000000000000000 R09: 00007ffde68c6d70 [ 41.942763] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f67e279ad0 [ 41.944105] R13: 00007ffde68c7b00 R14: 000055f67e27abc0 R15: 000055f67e28b780 [ 41.945477] [ 41.945917] irq event stamp: 1751 [ 41.946593] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 41.948194] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 41.949599] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 41.950609] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 41.951610] ---[ end trace 0000000000000000 ]--- [ 42.666069] ------------[ cut here ]------------ [ 42.667004] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.669019] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.670497] Modules linked in: [ 42.671090] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.673051] Tainted: [W]=WARN [ 42.673650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.675099] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.676008] 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 [ 42.679166] RSP: 0018:ffff888016ab7bc0 EFLAGS: 00010286 [ 42.680141] RAX: 0000000000000000 RBX: ffffed1002d56f78 RCX: ffffffff813a4050 [ 42.681448] RDX: ffff8880167a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.682716] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d56f2f [ 42.683986] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.685262] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ab7df8 [ 42.686568] FS: 00007f907e9bd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.687993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.689051] CR2: 00007ffccc800ef7 CR3: 000000000d9cd000 CR4: 0000000000350ef0 [ 42.690333] Call Trace: [ 42.690791] [ 42.691193] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.692077] ? __create_object+0x59/0x80 [ 42.692859] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.693824] __vmalloc_noprof+0x59/0x60 [ 42.694579] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.695440] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.696378] bpf_prog_alloc+0x39/0x200 [ 42.697072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.697992] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.698885] do_seccomp+0x349/0x25e0 [ 42.699591] ? find_held_lock+0x2b/0x80 [ 42.700360] ? do_prlimit+0x310/0x610 [ 42.701059] ? __pfx_do_seccomp+0x10/0x10 [ 42.701838] ? do_raw_spin_unlock+0x53/0x220 [ 42.702664] ? _raw_spin_unlock+0x1e/0x40 [ 42.703455] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.704429] ? static_key_count+0x60/0x80 [ 42.705184] prctl_set_seccomp+0x4e/0x70 [ 42.705954] __do_sys_prctl+0xe6c/0x1d70 [ 42.706739] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.707596] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.708575] ? irqentry_exit+0xf3/0x650 [ 42.709338] do_syscall_64+0xbf/0x430 [ 42.710024] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.710983] RIP: 0033:0x7f907eeaf5cd [ 42.711691] 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 [ 42.714835] RSP: 002b:00007ffccc7ff220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.716186] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f907eeaf5cd [ 42.717479] RDX: 0000557be0048e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.718761] RBP: 00007ffccc7ff280 R08: 0000000000000000 R09: 00007ffccc7fe920 [ 42.720030] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c16a73b10 [ 42.721316] R13: 00007ffccc7ff6b0 R14: 0000557c16a742b0 R15: 0000557c16a886f0 [ 42.722607] [ 42.723032] irq event stamp: 1789 [ 42.723661] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.725188] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.726769] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.728349] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.729886] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56495' (ECDSA) to the list of known hosts. 2025/11/17 22:16:42 fuzzer started 2025/11/17 22:16:43 dialing manager at localhost:37895 2025/11/17 22:16:43 checking machine... 2025/11/17 22:16:43 checking revisions... [ 43.623874] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:16:43 testing simple program... [ 43.714956] cgroup: Unknown subsys name 'net' [ 43.789921] cgroup: Unknown subsys name 'cpuset' [ 43.829305] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:16:42 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=ffffffff83c8285a RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000000 RBP=0000000000000001 RSP=ffff888016d17d40 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888018574000 R13=ffff888018516000 R14=0000000000000000 R15=0000000000000010 RIP=ffffffff81751738 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 00007fb8274d9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde68c1000 CR3=000000002039c000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001de8d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb827a90618 CR3=000000000d260000 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=2032343a36313a323220373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031343a36313a3232203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000