syzkaller login: [ 39.016387] ------------[ cut here ]------------ [ 39.017280] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.019229] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.020663] Modules linked in: [ 39.021284] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.023232] Tainted: [W]=WARN [ 39.023783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.025228] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.026134] 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 [ 39.029284] RSP: 0018:ffff888018f97bc0 EFLAGS: 00010286 [ 39.030253] RAX: 0000000000000000 RBX: ffffed10031f2f78 RCX: ffffffff813a4050 [ 39.031535] RDX: ffff8880170a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.032810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031f2f2f [ 39.034114] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.035375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018f97df8 [ 39.036657] FS: 00007fe6acc06900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.038075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.039154] CR2: 00007fe6ad0f8580 CR3: 000000000e1dc000 CR4: 0000000000350ef0 [ 39.040439] Call Trace: [ 39.040897] [ 39.041336] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.042214] ? __create_object+0x59/0x80 [ 39.042942] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.043900] __vmalloc_noprof+0x59/0x60 [ 39.044640] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.045498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046411] bpf_prog_alloc+0x39/0x200 [ 39.047141] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048032] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.048926] do_seccomp+0x349/0x25e0 [ 39.049643] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.050535] ? __pfx_do_seccomp+0x10/0x10 [ 39.051319] ? find_held_lock+0x2b/0x80 [ 39.052041] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.052984] ? static_key_count+0x60/0x80 [ 39.053760] prctl_set_seccomp+0x4e/0x70 [ 39.054538] __do_sys_prctl+0xe6c/0x1d70 [ 39.055318] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.056163] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.057077] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.058044] ? irqentry_exit+0xf3/0x650 [ 39.058803] do_syscall_64+0xbf/0x430 [ 39.059536] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.060503] RIP: 0033:0x7fe6ad0f85cd [ 39.061204] 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 [ 39.064354] RSP: 002b:00007fff9662dbe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.065695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6ad0f85cd [ 39.066955] RDX: 00005654cc3b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.068264] RBP: 00007fff9662dc40 R08: 0000000000000000 R09: 00007fff9662d2e0 [ 39.069547] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654cfcfc240 [ 39.070844] R13: 00007fff9662e070 R14: 00005654cfd05380 R15: 00005654cfd10540 [ 39.072155] [ 39.072575] irq event stamp: 1669 [ 39.073222] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 39.074725] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 39.076271] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 39.077828] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.079356] ---[ end trace 0000000000000000 ]--- [ 42.619969] ------------[ cut here ]------------ [ 42.620913] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.622959] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.624455] Modules linked in: [ 42.625039] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.627016] Tainted: [W]=WARN [ 42.627638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.629115] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.629991] 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 [ 42.633189] RSP: 0018:ffff888016e57bc0 EFLAGS: 00010286 [ 42.634174] RAX: 0000000000000000 RBX: ffffed1002dcaf78 RCX: ffffffff813a4050 [ 42.635480] RDX: ffff888018dc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.636770] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcaf2f [ 42.638063] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.639366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e57df8 [ 42.640655] FS: 00007f27fa03f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.642120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.643215] CR2: 00007ffdcdb35ef7 CR3: 000000001fcdc000 CR4: 0000000000350ef0 [ 42.644525] Call Trace: [ 42.645003] [ 42.645458] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.646378] ? __create_object+0x59/0x80 [ 42.647168] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.648152] __vmalloc_noprof+0x59/0x60 [ 42.648860] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.649753] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.650694] bpf_prog_alloc+0x39/0x200 [ 42.651450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.652409] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.653315] do_seccomp+0x349/0x25e0 [ 42.653994] ? find_held_lock+0x2b/0x80 [ 42.654759] ? do_prlimit+0x310/0x610 [ 42.655545] ? __pfx_do_seccomp+0x10/0x10 [ 42.656336] ? do_raw_spin_unlock+0x53/0x220 [ 42.657170] ? _raw_spin_unlock+0x1e/0x40 [ 42.657923] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.658888] ? static_key_count+0x60/0x80 [ 42.659689] prctl_set_seccomp+0x4e/0x70 [ 42.660475] __do_sys_prctl+0xe6c/0x1d70 [ 42.661266] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.662134] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.663064] ? irqentry_exit+0xf3/0x650 [ 42.663860] do_syscall_64+0xbf/0x430 [ 42.664606] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.665566] RIP: 0033:0x7f27fa5315cd [ 42.666281] 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 [ 42.669488] RSP: 002b:00007ffdcdb34940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.670870] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27fa5315cd [ 42.672168] RDX: 0000557845866e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.673450] RBP: 00007ffdcdb349a0 R08: 0000000000000000 R09: 00007ffdcdb34040 [ 42.674759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557868448ad0 [ 42.676067] R13: 00007ffdcdb34dd0 R14: 0000557868449bc0 R15: 000055786845a780 [ 42.677403] [ 42.677831] irq event stamp: 1727 [ 42.678493] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.680034] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 42.681576] softirqs last enabled at (1512): [] handle_softirqs+0x50c/0x770 [ 42.683138] softirqs last disabled at (1507): [] __irq_exit_rcu+0xc4/0x100 [ 42.684675] ---[ end trace 0000000000000000 ]--- [ 43.511250] ------------[ cut here ]------------ [ 43.512204] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.514240] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.515677] Modules linked in: [ 43.516321] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.518561] Tainted: [W]=WARN [ 43.519235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.520720] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.521641] 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 [ 43.524824] RSP: 0018:ffff888017187bc0 EFLAGS: 00010286 [ 43.525807] RAX: 0000000000000000 RBX: ffffed1002e30f78 RCX: ffffffff813a4050 [ 43.527112] RDX: ffff88800a305340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.528418] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e30f2f [ 43.529723] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.531019] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017187df8 [ 43.532302] FS: 00007f1968bc1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.533770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.534837] CR2: 00007f19690b3580 CR3: 000000000f996000 CR4: 0000000000350ef0 [ 43.536161] Call Trace: [ 43.536637] [ 43.537047] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.537968] ? __create_object+0x59/0x80 [ 43.538755] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.539755] __vmalloc_noprof+0x59/0x60 [ 43.540518] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.541397] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.542332] bpf_prog_alloc+0x39/0x200 [ 43.543033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.543987] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.544892] do_seccomp+0x349/0x25e0 [ 43.545610] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.546508] ? __pfx_do_seccomp+0x10/0x10 [ 43.547300] ? find_held_lock+0x2b/0x80 [ 43.548040] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.549014] ? static_key_count+0x60/0x80 [ 43.549809] prctl_set_seccomp+0x4e/0x70 [ 43.550590] __do_sys_prctl+0xe6c/0x1d70 [ 43.551364] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.552245] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.553222] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.554220] ? irqentry_exit+0xf3/0x650 [ 43.554940] do_syscall_64+0xbf/0x430 [ 43.555699] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.556647] RIP: 0033:0x7f19690b35cd [ 43.557349] 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 [ 43.560536] RSP: 002b:00007fff704c3280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.561888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19690b35cd [ 43.563178] RDX: 00005587656cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.564482] RBP: 00007fff704c32e0 R08: 0000000000000000 R09: 00007fff704c2980 [ 43.565780] R10: 0000000000000000 R11: 0000000000000246 R12: 000055879b2e4ad0 [ 43.567073] R13: 00007fff704c3710 R14: 000055879b2e5bc0 R15: 000055879b2f6780 [ 43.568406] [ 43.568838] irq event stamp: 1825 [ 43.569501] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 43.571031] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 43.572584] softirqs last enabled at (1638): [] handle_softirqs+0x50c/0x770 [ 43.574126] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 43.575643] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38588' (ECDSA) to the list of known hosts. 2025/11/18 13:17:06 fuzzer started 2025/11/18 13:17:06 dialing manager at localhost:34383 2025/11/18 13:17:06 checking machine... 2025/11/18 13:17:06 checking revisions... [ 44.427782] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:17:06 testing simple program... [ 44.500838] cgroup: Unknown subsys name 'net' [ 44.550783] cgroup: Unknown subsys name 'cpuset' [ 44.562941] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:17:05 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=dffffc0000000000 RCX=ffffffff817d9966 RDX=0000000000000006 RSI=0000000000000000 RDI=ffffffff84c9815c RBP=0000000000000002 RSP=ffff888009637c80 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=ffffffff85c11280 R13=ffff888009637cc0 R14=0000000000000001 R15=ffff888009613780 RIP=ffffffff815d195a 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055786846d768 CR3=000000000b8b3000 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=f3cf65a32e8b0fa871437b9349d84efb XMM02=00000000003029c0eff9b2d0a8fce9cb XMM03=0000000000302a902c67c8bc2e329bc3 XMM04=d7ba088637f1811600000000000ae988 XMM05=78d4d1531ee7f9950000000000322300 XMM06=106aae38cde20daf00000000003202f8 XMM07=fb795ef6d6577056000000000030e8c0 XMM08=2c67c8bc2e329bc30000000000302a30 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888017b89bc0 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888017b8a618 RSP=ffff888009b2f8f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017b8a618 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 00007f27fa03f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdcdb2e000 CR3=000000001fc49000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000