syzkaller login: [ 38.979221] ------------[ cut here ]------------ [ 38.980232] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.982556] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 38.984449] Modules linked in: [ 38.985203] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.987745] Tainted: [W]=WARN [ 38.988502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.990407] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.991594] 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 [ 38.995713] RSP: 0018:ffff88801a0d7bc0 EFLAGS: 00010286 [ 38.996975] RAX: 0000000000000000 RBX: ffffed100341af78 RCX: ffffffff813a4050 [ 38.998624] RDX: ffff888013ff1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.000255] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100341af2f [ 39.001885] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.003539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a0d7df8 [ 39.005189] FS: 00007f7521fb0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.007055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.008423] CR2: 00007ffe94af8ef7 CR3: 000000000bf1e000 CR4: 0000000000350ef0 [ 39.010069] Call Trace: [ 39.010727] [ 39.011251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.012417] ? __create_object+0x59/0x80 [ 39.013440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.014604] __vmalloc_noprof+0x59/0x60 [ 39.015396] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.016240] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.017184] bpf_prog_alloc+0x39/0x200 [ 39.017955] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018926] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.019833] do_seccomp+0x349/0x25e0 [ 39.020557] ? find_held_lock+0x2b/0x80 [ 39.021293] ? do_prlimit+0x310/0x610 [ 39.022045] ? __pfx_do_seccomp+0x10/0x10 [ 39.022858] ? do_raw_spin_unlock+0x53/0x220 [ 39.023732] ? _raw_spin_unlock+0x1e/0x40 [ 39.024528] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025521] ? static_key_count+0x60/0x80 [ 39.026302] prctl_set_seccomp+0x4e/0x70 [ 39.027105] __do_sys_prctl+0xe6c/0x1d70 [ 39.027907] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.028783] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.029759] ? irqentry_exit+0xf3/0x650 [ 39.030565] do_syscall_64+0xbf/0x430 [ 39.031264] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.032218] RIP: 0033:0x7f75224a25cd [ 39.032957] 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 [ 39.036192] RSP: 002b:00007ffe94af7eb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.037587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f75224a25cd [ 39.038897] RDX: 0000558712929e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.040187] RBP: 00007ffe94af7f10 R08: 0000000000000000 R09: 00007ffe94af75b0 [ 39.041471] R10: 0000000000000000 R11: 0000000000000246 R12: 000055873d51ead0 [ 39.042784] R13: 00007ffe94af8340 R14: 000055873d51fbc0 R15: 000055873d530780 [ 39.044091] [ 39.044586] irq event stamp: 1761 [ 39.045206] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 39.046730] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 39.048069] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 39.049359] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 39.050634] ---[ end trace 0000000000000000 ]--- [ 42.511737] ------------[ cut here ]------------ [ 42.512674] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.514696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.516127] Modules linked in: [ 42.516754] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.518938] Tainted: [W]=WARN [ 42.519591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.521036] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.521931] 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 [ 42.525055] RSP: 0018:ffff8880178e7bc0 EFLAGS: 00010286 [ 42.526036] RAX: 0000000000000000 RBX: ffffed1002f1cf78 RCX: ffffffff813a4050 [ 42.527352] RDX: ffff888015ee5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.528625] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f1cf2f [ 42.529882] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.531164] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178e7df8 [ 42.532428] FS: 00007fd55902f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.533840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.534900] CR2: 00007fd5595954a6 CR3: 000000000fb82000 CR4: 0000000000350ef0 [ 42.536168] Call Trace: [ 42.536676] [ 42.537084] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.537976] ? __create_object+0x59/0x80 [ 42.538771] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.539738] __vmalloc_noprof+0x59/0x60 [ 42.540488] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.541302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.542242] bpf_prog_alloc+0x39/0x200 [ 42.542970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.543900] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.544804] do_seccomp+0x349/0x25e0 [ 42.545521] ? find_held_lock+0x2b/0x80 [ 42.546237] ? do_prlimit+0x310/0x610 [ 42.546973] ? __pfx_do_seccomp+0x10/0x10 [ 42.547741] ? do_raw_spin_unlock+0x53/0x220 [ 42.548548] ? _raw_spin_unlock+0x1e/0x40 [ 42.549252] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.550192] ? static_key_count+0x60/0x80 [ 42.550960] prctl_set_seccomp+0x4e/0x70 [ 42.551702] __do_sys_prctl+0xe6c/0x1d70 [ 42.552450] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.553246] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.554205] ? irqentry_exit+0xf3/0x650 [ 42.554943] do_syscall_64+0xbf/0x430 [ 42.555650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.556595] RIP: 0033:0x7fd5595215cd [ 42.557261] 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 [ 42.560404] RSP: 002b:00007ffd382bdfb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.561754] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5595215cd [ 42.563056] RDX: 000055edb3532e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.564353] RBP: 00007ffd382be010 R08: 0000000000000000 R09: 00007ffd382bd6b0 [ 42.565626] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ede58bdad0 [ 42.566905] R13: 00007ffd382be440 R14: 000055ede58bebc0 R15: 000055ede58cf780 [ 42.568187] [ 42.568653] irq event stamp: 1755 [ 42.569260] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 42.570773] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 42.572282] softirqs last enabled at (1776): [] handle_softirqs+0x50c/0x770 [ 42.573797] softirqs last disabled at (1771): [] __irq_exit_rcu+0xc4/0x100 [ 42.575101] ---[ end trace 0000000000000000 ]--- [ 43.343992] ------------[ cut here ]------------ [ 43.344780] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.346530] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 43.347794] Modules linked in: [ 43.348303] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.350243] Tainted: [W]=WARN [ 43.350825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.352093] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.352883] 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 [ 43.355633] RSP: 0018:ffff888018d07bc0 EFLAGS: 00010286 [ 43.356488] RAX: 0000000000000000 RBX: ffffed10031a0f78 RCX: ffffffff813a4050 [ 43.357589] RDX: ffff888018f0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.358711] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031a0f2f [ 43.359821] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.360928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d07df8 [ 43.362036] FS: 00007f2fee9b4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.363291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.364210] CR2: 00007f2feeea6580 CR3: 000000000dc3b000 CR4: 0000000000350ef0 [ 43.365318] Call Trace: [ 43.365750] [ 43.366101] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.366893] ? __create_object+0x59/0x80 [ 43.367554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.368396] __vmalloc_noprof+0x59/0x60 [ 43.369006] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.369767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.370572] bpf_prog_alloc+0x39/0x200 [ 43.371168] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.371969] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.372745] do_seccomp+0x349/0x25e0 [ 43.373323] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.374101] ? __pfx_do_seccomp+0x10/0x10 [ 43.374799] ? find_held_lock+0x2b/0x80 [ 43.375462] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.376250] ? static_key_count+0x60/0x80 [ 43.376939] prctl_set_seccomp+0x4e/0x70 [ 43.377610] __do_sys_prctl+0xe6c/0x1d70 [ 43.378256] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.379003] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.379844] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.380691] ? irqentry_exit+0xf3/0x650 [ 43.381314] do_syscall_64+0xbf/0x430 [ 43.381960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.382813] RIP: 0033:0x7f2feeea65cd [ 43.383448] 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 [ 43.386300] RSP: 002b:00007ffe632aa5d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.387543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2feeea65cd [ 43.388682] RDX: 0000560133311e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.389834] RBP: 00007ffe632aa630 R08: 0000000000000000 R09: 00007ffe632a9cd0 [ 43.390991] R10: 0000000000000000 R11: 0000000000000246 R12: 000056014bdb8240 [ 43.392142] R13: 00007ffe632aaa60 R14: 000056014bdc1380 R15: 000056014bdcc540 [ 43.393320] [ 43.393725] irq event stamp: 1785 [ 43.394270] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 43.395634] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 43.397046] softirqs last enabled at (1822): [] handle_softirqs+0x50c/0x770 [ 43.398446] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 43.399807] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45576' (ECDSA) to the list of known hosts. 2025/11/17 09:27:47 fuzzer started 2025/11/17 09:27:48 dialing manager at localhost:37895 2025/11/17 09:27:48 checking machine... 2025/11/17 09:27:48 checking revisions... [ 44.285918] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:27:48 testing simple program... [ 44.356237] cgroup: Unknown subsys name 'net' [ 44.406814] cgroup: Unknown subsys name 'cpuset' [ 44.415874] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.978484] audit: type=1400 audit(1763371676.909:7): avc: denied { execmem } for pid=279 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 09:27:47 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007f19ca157000 RCX=ffffffff81a01a62 RDX=ffff888018f0d340 RSI=0000000000000000 RDI=0000000000000005 RBP=ffffea00001d2b60 RSP=ffff88801874fb38 R8 =0000000000000000 R9 =fffff9400003a568 R10=0000000000000000 R11=0000000000000001 R12=0000000000000001 R13=ffff88801874fd68 R14=00007f19ca150000 R15=0000000000000000 RIP=ffffffff81a01b80 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f19c981a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f19ca157590 CR3=000000001a41e000 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=0000560f0f525d400000560f0f5269c0 XMM02=00000000000000000000560f0f5277b0 XMM03=0000560f0f5275700000560f0f5277f0 XMM04=0000560f0f527ef00000560f0f526d00 XMM05=0000560f0f526ae00000560f0f525ca0 XMM06=0000560f0f5263100000560f0f526290 XMM07=0000560f0f5269600000560f0f5272f0 XMM08=00000000000000000000560f0f526ca0 XMM09=00000000ffffffffff00000000ffffff XMM10=00000000000000000000000000202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000002 RCX=ffffffff81bb4ea9 RDX=ffff888013d88000 RSI=ffffffff81bb4eb5 RDI=0000000000000004 RBP=0000000000000001 RSP=ffff888013f67618 R8 =0000000000000000 R9 =ffffed100284d446 R10=0000000000000002 R11=0000000000000001 R12=0000000000000001 R13=ffff888013f67758 R14=ffff888013f67788 R15=ffff888013f67750 RIP=ffffffff81751c78 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 00007fbde0ebc900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbde05d2720 CR3=000000000d836000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=7052fcf6cec3e70300000000000ae988 XMM05=68ab6d4eb8e3c0e4000000000031fd20 XMM06=14648eaa1277bab1000000000031ebb8 XMM07=fb795ef6d6577056000000000030e0d8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000