syzkaller login: [ 39.075576] ------------[ cut here ]------------ [ 39.076346] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.078073] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.079310] Modules linked in: [ 39.079850] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.081520] Tainted: [W]=WARN [ 39.082014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.083283] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.084058] 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 [ 39.086751] RSP: 0018:ffff88801786fbc0 EFLAGS: 00010286 [ 39.087532] RAX: 0000000000000000 RBX: ffffed1002f0df78 RCX: ffffffff813a4050 [ 39.088615] RDX: ffff888018378000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.089693] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f0df2f [ 39.090780] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.091865] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801786fdf8 [ 39.092949] FS: 00007f69ec762900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.094160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.095061] CR2: 00007f69ecc54580 CR3: 000000000da7f000 CR4: 0000000000350ef0 [ 39.096152] Call Trace: [ 39.096546] [ 39.096923] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.097649] ? __create_object+0x59/0x80 [ 39.098323] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.099159] __vmalloc_noprof+0x59/0x60 [ 39.099802] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.100503] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.101289] bpf_prog_alloc+0x39/0x200 [ 39.101902] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.102660] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.103418] do_seccomp+0x349/0x25e0 [ 39.104021] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.104779] ? __pfx_do_seccomp+0x10/0x10 [ 39.105411] ? find_held_lock+0x2b/0x80 [ 39.106046] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.106866] ? static_key_count+0x60/0x80 [ 39.107512] prctl_set_seccomp+0x4e/0x70 [ 39.108164] __do_sys_prctl+0xe6c/0x1d70 [ 39.108826] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.109509] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.110332] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.111139] ? irqentry_exit+0xf3/0x650 [ 39.111770] do_syscall_64+0xbf/0x430 [ 39.112344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.113132] RIP: 0033:0x7f69ecc545cd [ 39.113719] 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 [ 39.116332] RSP: 002b:00007ffeffbc4080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.117446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69ecc545cd [ 39.118516] RDX: 0000560cc93e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.119575] RBP: 00007ffeffbc40e0 R08: 0000000000000000 R09: 00007ffeffbc3780 [ 39.120623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d03b29240 [ 39.121692] R13: 00007ffeffbc4510 R14: 0000560d03b32380 R15: 0000560d03b3d540 [ 39.122782] [ 39.123128] irq event stamp: 1745 [ 39.123617] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 39.124875] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 39.126122] softirqs last enabled at (1242): [] handle_softirqs+0x50c/0x770 [ 39.127402] softirqs last disabled at (1229): [] __irq_exit_rcu+0xc4/0x100 [ 39.128652] ---[ end trace 0000000000000000 ]--- [ 42.133060] ------------[ cut here ]------------ [ 42.133825] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.135483] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.136690] Modules linked in: [ 42.137177] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.138825] Tainted: [W]=WARN [ 42.139281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.140488] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.141240] 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 [ 42.143854] RSP: 0018:ffff88801786fbc0 EFLAGS: 00010286 [ 42.144621] RAX: 0000000000000000 RBX: ffffed1002f0df78 RCX: ffffffff813a4050 [ 42.145689] RDX: ffff88800f109bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.146755] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f0df2f [ 42.147812] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.148866] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801786fdf8 [ 42.149926] FS: 00007ffab94a5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.151117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.151996] CR2: 00007ffab9997580 CR3: 000000000a0de000 CR4: 0000000000350ef0 [ 42.153055] Call Trace: [ 42.153438] [ 42.153819] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.154530] ? __create_object+0x59/0x80 [ 42.155183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.155991] __vmalloc_noprof+0x59/0x60 [ 42.156576] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.157295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.158060] bpf_prog_alloc+0x39/0x200 [ 42.158640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.159405] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.160148] do_seccomp+0x349/0x25e0 [ 42.160739] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.161450] ? __pfx_do_seccomp+0x10/0x10 [ 42.162107] ? find_held_lock+0x2b/0x80 [ 42.162741] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.163495] ? static_key_count+0x60/0x80 [ 42.164165] prctl_set_seccomp+0x4e/0x70 [ 42.164811] __do_sys_prctl+0xe6c/0x1d70 [ 42.165419] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.166125] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.166946] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.167759] ? irqentry_exit+0xf3/0x650 [ 42.168348] do_syscall_64+0xbf/0x430 [ 42.168960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.169737] RIP: 0033:0x7ffab99975cd [ 42.170285] 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 [ 42.172904] RSP: 002b:00007ffd129e1ad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.174031] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffab99975cd [ 42.175096] RDX: 000056170c0f3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.176147] RBP: 00007ffd129e1b30 R08: 0000000000000000 R09: 00007ffd129e11d0 [ 42.177215] R10: 0000000000000000 R11: 0000000000000246 R12: 000056173904aad0 [ 42.178269] R13: 00007ffd129e1f60 R14: 000056173904bbc0 R15: 000056173905c780 [ 42.179363] [ 42.179755] irq event stamp: 1685 [ 42.180260] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 42.181508] hardirqs last disabled at (1702): [] __up_console_sem+0x5d/0x80 [ 42.182783] softirqs last enabled at (1548): [] handle_softirqs+0x50c/0x770 [ 42.184051] softirqs last disabled at (1533): [] __irq_exit_rcu+0xc4/0x100 [ 42.185293] ---[ end trace 0000000000000000 ]--- [ 42.894061] ------------[ cut here ]------------ [ 42.895013] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.897223] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.898783] Modules linked in: [ 42.899383] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.901369] Tainted: [W]=WARN [ 42.901950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.903417] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.904318] 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 [ 42.907486] RSP: 0018:ffff888017b5fbc0 EFLAGS: 00010286 [ 42.908465] RAX: 0000000000000000 RBX: ffffed1002f6bf78 RCX: ffffffff813a4050 [ 42.909749] RDX: ffff888016cd1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.911062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f6bf2f [ 42.912357] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.913618] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b5fdf8 [ 42.914911] FS: 00007fde86417900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.916345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.917397] CR2: 00007ffc7affdef7 CR3: 0000000019aad000 CR4: 0000000000350ef0 [ 42.918696] Call Trace: [ 42.919163] [ 42.919563] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.920450] ? __create_object+0x59/0x80 [ 42.921228] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.922191] __vmalloc_noprof+0x59/0x60 [ 42.922983] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.923867] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.924794] bpf_prog_alloc+0x39/0x200 [ 42.925497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.926422] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.927352] do_seccomp+0x349/0x25e0 [ 42.928070] ? find_held_lock+0x2b/0x80 [ 42.928838] ? do_prlimit+0x310/0x610 [ 42.929535] ? __pfx_do_seccomp+0x10/0x10 [ 42.930316] ? do_raw_spin_unlock+0x53/0x220 [ 42.931158] ? _raw_spin_unlock+0x1e/0x40 [ 42.931961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.932916] ? static_key_count+0x60/0x80 [ 42.933723] prctl_set_seccomp+0x4e/0x70 [ 42.934464] __do_sys_prctl+0xe6c/0x1d70 [ 42.935240] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.936094] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.937061] ? irqentry_exit+0xf3/0x650 [ 42.937831] do_syscall_64+0xbf/0x430 [ 42.938534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.939482] RIP: 0033:0x7fde869095cd [ 42.940186] 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 [ 42.943516] RSP: 002b:00007ffc7affcc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.944902] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde869095cd [ 42.946188] RDX: 0000558a3a8e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.947493] RBP: 00007ffc7affcc90 R08: 0000000000000000 R09: 00007ffc7affc330 [ 42.948776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a6fde9ad0 [ 42.950046] R13: 00007ffc7affd0c0 R14: 0000558a6fdeabc0 R15: 0000558a6fdfb780 [ 42.951363] [ 42.951751] irq event stamp: 2775 [ 42.952249] hardirqs last enabled at (2783): [] __up_console_sem+0x78/0x80 [ 42.953511] hardirqs last disabled at (2792): [] __up_console_sem+0x5d/0x80 [ 42.954792] softirqs last enabled at (2694): [] handle_softirqs+0x50c/0x770 [ 42.956067] softirqs last disabled at (2687): [] __irq_exit_rcu+0xc4/0x100 [ 42.957332] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10078' (ECDSA) to the list of known hosts. 2025/11/18 21:43:21 fuzzer started 2025/11/18 21:43:22 dialing manager at localhost:34383 2025/11/18 21:43:22 checking machine... 2025/11/18 21:43:22 checking revisions... [ 43.826568] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:43:22 testing simple program... [ 43.916020] cgroup: Unknown subsys name 'net' [ 43.964790] cgroup: Unknown subsys name 'cpuset' [ 43.977300] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.562425] audit: type=1400 audit(1763502210.900:7): avc: denied { execmem } for pid=278 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 21:43:21 Registers: info registers vcpu 0 RAX=000000000004a41d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fce81196018 CR3=000000000e28b000 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=2031323a33343a313220383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a33343a3132203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=fffff940000ddfe7 RBX=ffffea00006eff34 RCX=ffffffff819fa0c6 RDX=fffff940000ddfe7 RSI=0000000000000004 RDI=ffffea00006eff34 RBP=fffff940000ddfe6 RSP=ffff888009a87b90 R8 =0000000000000000 R9 =fffff940000ddfe6 R10=ffffea00006eff37 R11=0000000000000001 R12=ffff8880168a9b40 R13=ffff888009a87d90 R14=0000000000000000 R15=ffff888009a87d68 RIP=ffffffff81b2d177 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007ffab94a5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffab956250c CR3=000000000b71d000 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=6720646572637465733a4d41503d706f 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