[ 46.523149] ------------[ cut here ]------------ [ 46.524059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.526329] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.527800] Modules linked in: [ 46.528378] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.530521] Tainted: [W]=WARN [ 46.531072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.532518] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.533381] 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 [ 46.536538] RSP: 0018:ffff88801a82fbc0 EFLAGS: 00010286 [ 46.537454] RAX: 0000000000000000 RBX: ffffed1003505f78 RCX: ffffffff813a4050 [ 46.538734] RDX: ffff888009f3b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.540024] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003505f2f [ 46.541302] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.542579] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a82fdf8 [ 46.543849] FS: 00007fb1fa3a9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.545293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.546351] CR2: 00007fb1fa90f4a6 CR3: 000000000ff3f000 CR4: 0000000000350ef0 [ 46.547641] Call Trace: [ 46.548101] [ 46.548561] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.549416] ? __create_object+0x59/0x80 [ 46.550188] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.551171] __vmalloc_noprof+0x59/0x60 [ 46.551912] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.552790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.553716] bpf_prog_alloc+0x39/0x200 [ 46.554414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.555349] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.556249] do_seccomp+0x349/0x25e0 [ 46.556951] ? find_held_lock+0x2b/0x80 [ 46.557709] ? do_prlimit+0x310/0x610 [ 46.558409] ? __pfx_do_seccomp+0x10/0x10 [ 46.559208] ? do_raw_spin_unlock+0x53/0x220 [ 46.560038] ? _raw_spin_unlock+0x1e/0x40 [ 46.560823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.561775] ? static_key_count+0x60/0x80 [ 46.562587] prctl_set_seccomp+0x4e/0x70 [ 46.563317] __do_sys_prctl+0xe6c/0x1d70 [ 46.564108] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.564955] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.565942] ? irqentry_exit+0xf3/0x650 [ 46.566714] do_syscall_64+0xbf/0x430 [ 46.567409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.568344] RIP: 0033:0x7fb1fa89b5cd [ 46.569033] 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 [ 46.572184] RSP: 002b:00007ffce7af51e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.573536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1fa89b5cd [ 46.574823] RDX: 000055f3576a0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.576101] RBP: 00007ffce7af5240 R08: 0000000000000000 R09: 00007ffce7af48e0 [ 46.577387] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f3740a2ad0 [ 46.578687] R13: 00007ffce7af5670 R14: 000055f3740a3bc0 R15: 000055f3740b4780 [ 46.579992] [ 46.580414] irq event stamp: 1751 [ 46.581057] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 46.582577] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 46.584080] softirqs last enabled at (1588): [] handle_softirqs+0x50c/0x770 [ 46.585621] softirqs last disabled at (1583): [] __irq_exit_rcu+0xc4/0x100 [ 46.587150] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.472390] ------------[ cut here ]------------ [ 49.473323] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.475934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 49.477382] Modules linked in: [ 49.478049] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.480263] Tainted: [W]=WARN [ 49.480930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.482394] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.483311] 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 [ 49.486898] RSP: 0018:ffff888015897bc0 EFLAGS: 00010286 [ 49.487913] RAX: 0000000000000000 RBX: ffffed1002b12f78 RCX: ffffffff813a4050 [ 49.489167] RDX: ffff888016ce3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.490419] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b12f2f [ 49.491704] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.493411] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015897df8 [ 49.494710] FS: 00007f2fd34a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.496120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.497180] CR2: 00007f2fd3994580 CR3: 00000000073a4000 CR4: 0000000000350ef0 [ 49.498461] Call Trace: [ 49.498977] [ 49.499382] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.500286] ? __create_object+0x59/0x80 [ 49.501055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.502018] __vmalloc_noprof+0x59/0x60 [ 49.502800] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.503680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.504615] bpf_prog_alloc+0x39/0x200 [ 49.505302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.506222] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.507145] do_seccomp+0x349/0x25e0 [ 49.507854] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.508756] ? __pfx_do_seccomp+0x10/0x10 [ 49.509545] ? find_held_lock+0x2b/0x80 [ 49.510268] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.511239] ? static_key_count+0x60/0x80 [ 49.512031] prctl_set_seccomp+0x4e/0x70 [ 49.512794] __do_sys_prctl+0xe6c/0x1d70 [ 49.513566] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.514367] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.515340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.516301] ? irqentry_exit+0xf3/0x650 [ 49.517066] do_syscall_64+0xbf/0x430 [ 49.517803] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.518768] RIP: 0033:0x7f2fd39945cd [ 49.519419] 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 [ 49.522582] RSP: 002b:00007ffc5350a7e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.523946] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2fd39945cd [ 49.525227] RDX: 000055e68b6b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.526520] RBP: 00007ffc5350a840 R08: 0000000000000000 R09: 00007ffc53509ee0 [ 49.527809] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6c2b95ad0 [ 49.529083] R13: 00007ffc5350ac70 R14: 000055e6c2b96bc0 R15: 000055e6c2ba7780 [ 49.530375] [ 49.530853] irq event stamp: 3031 [ 49.531455] hardirqs last enabled at (3039): [] __up_console_sem+0x78/0x80 [ 49.532991] hardirqs last disabled at (3050): [] __up_console_sem+0x5d/0x80 [ 49.534520] softirqs last enabled at (2566): [] handle_softirqs+0x50c/0x770 [ 49.536067] softirqs last disabled at (2545): [] __irq_exit_rcu+0xc4/0x100 [ 49.537565] ---[ end trace 0000000000000000 ]--- [ 50.355811] ------------[ cut here ]------------ [ 50.356741] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.358731] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 50.360164] Modules linked in: [ 50.360809] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.362777] Tainted: [W]=WARN [ 50.363337] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.364932] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.365914] 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 [ 50.369426] RSP: 0018:ffff888016e07bc0 EFLAGS: 00010286 [ 50.370519] RAX: 0000000000000000 RBX: ffffed1002dc0f78 RCX: ffffffff813a4050 [ 50.371925] RDX: ffff88800f6cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.373317] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc0f2f [ 50.374732] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.376124] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e07df8 [ 50.377537] FS: 00007f946142a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.379133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.380297] CR2: 00007fff17fbbef8 CR3: 000000000ea9e000 CR4: 0000000000350ef0 [ 50.381710] Call Trace: [ 50.382217] [ 50.382713] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.383693] ? __create_object+0x59/0x80 [ 50.384554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.385612] __vmalloc_noprof+0x59/0x60 [ 50.386389] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.387548] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.388478] bpf_prog_alloc+0x39/0x200 [ 50.389247] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.390197] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.391153] do_seccomp+0x349/0x25e0 [ 50.391897] ? find_held_lock+0x2b/0x80 [ 50.392678] ? do_prlimit+0x310/0x610 [ 50.393393] ? __pfx_do_seccomp+0x10/0x10 [ 50.394197] ? do_raw_spin_unlock+0x53/0x220 [ 50.395152] ? _raw_spin_unlock+0x1e/0x40 [ 50.395967] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.396958] ? static_key_count+0x60/0x80 [ 50.397785] prctl_set_seccomp+0x4e/0x70 [ 50.398582] __do_sys_prctl+0xe6c/0x1d70 [ 50.399335] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.400217] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.401217] ? irqentry_exit+0xf3/0x650 [ 50.402007] do_syscall_64+0xbf/0x430 [ 50.402768] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.403750] RIP: 0033:0x7f946191c5cd [ 50.404431] 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 [ 50.407705] RSP: 002b:00007fff17fb98b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.409110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f946191c5cd [ 50.410425] RDX: 0000557ea7f64e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.411765] RBP: 00007fff17fb9910 R08: 0000000000000000 R09: 00007fff17fb8fb0 [ 50.413080] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557ee0e8ead0 [ 50.414385] R13: 00007fff17fb9d40 R14: 0000557ee0e8fbc0 R15: 0000557ee0ea0780 [ 50.415743] [ 50.416109] irq event stamp: 1727 [ 50.416672] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 50.417982] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 50.419300] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 50.420629] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 50.421922] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23647' (ECDSA) to the list of known hosts. 2025/11/18 21:16:23 fuzzer started 2025/11/18 21:16:23 dialing manager at localhost:34383 2025/11/18 21:16:23 checking machine... 2025/11/18 21:16:23 checking revisions... [ 51.287257] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:16:23 testing simple program... [ 51.387424] cgroup: Unknown subsys name 'net' [ 51.443351] cgroup: Unknown subsys name 'cpuset' [ 51.455904] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:16:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=ffff888016ce5340 RSI=ffffffff8175a708 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff88801608f448 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e786a8 R15=ffff888008c41780 RIP=ffffffff81751e08 RFL=00000202 [-------] 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 00007f2fd34a2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2fd3481020 CR3=000000001fa52000 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=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 info registers vcpu 1 RAX=0000000000028843 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f699af2e038 CR3=000000000ff51000 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=2032323a36313a313220383120766f4e XMM01=73732878696e755f6d6170203a5d3833 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3833325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032323a36313a3132203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000