[ 39.581830] ------------[ cut here ]------------ [ 39.582562] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.584328] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.585545] Modules linked in: [ 39.586086] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.587746] Tainted: [W]=WARN [ 39.588206] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.589427] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.590195] 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 [ 39.592869] RSP: 0018:ffff888016277bc0 EFLAGS: 00010286 [ 39.593698] RAX: 0000000000000000 RBX: ffffed1002c4ef78 RCX: ffffffff813a4050 [ 39.594780] RDX: ffff888018d29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.595857] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c4ef2f [ 39.596932] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.598010] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016277df8 [ 39.599085] FS: 00007fba36d16900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.600300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.601199] CR2: 00007fba37208580 CR3: 000000000d66f000 CR4: 0000000000350ef0 [ 39.602288] Call Trace: [ 39.602710] [ 39.603055] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.603804] ? __create_object+0x59/0x80 [ 39.604426] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.605226] __vmalloc_noprof+0x59/0x60 [ 39.605876] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.606568] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.607339] bpf_prog_alloc+0x39/0x200 [ 39.607960] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.608732] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.609445] do_seccomp+0x349/0x25e0 [ 39.610047] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.610798] ? __pfx_do_seccomp+0x10/0x10 [ 39.611422] ? find_held_lock+0x2b/0x80 [ 39.612080] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.612886] ? static_key_count+0x60/0x80 [ 39.613515] prctl_set_seccomp+0x4e/0x70 [ 39.614180] __do_sys_prctl+0xe6c/0x1d70 [ 39.614835] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.615521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.616320] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.617127] ? irqentry_exit+0xf3/0x650 [ 39.617790] do_syscall_64+0xbf/0x430 [ 39.618380] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.619174] RIP: 0033:0x7fba372085cd [ 39.619763] 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 [ 39.622459] RSP: 002b:00007ffd0c0f8ff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.623615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba372085cd [ 39.624672] RDX: 0000565053323e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.625748] RBP: 00007ffd0c0f9050 R08: 0000000000000000 R09: 00007ffd0c0f86f0 [ 39.626826] R10: 0000000000000000 R11: 0000000000000246 R12: 00005650762afad0 [ 39.627890] R13: 00007ffd0c0f9480 R14: 00005650762b0bc0 R15: 00005650762c1780 [ 39.628972] [ 39.629324] irq event stamp: 1789 [ 39.629885] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 39.631158] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 39.632438] softirqs last enabled at (1438): [] handle_softirqs+0x50c/0x770 [ 39.633748] softirqs last disabled at (1427): [] __irq_exit_rcu+0xc4/0x100 [ 39.635022] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.866355] ------------[ cut here ]------------ [ 41.867175] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.869390] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 41.870693] Modules linked in: [ 41.871215] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.872989] Tainted: [W]=WARN [ 41.873482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.874775] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.875544] 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 [ 41.878371] RSP: 0018:ffff8880176f7bc0 EFLAGS: 00010286 [ 41.879257] RAX: 0000000000000000 RBX: ffffed1002edef78 RCX: ffffffff813a4050 [ 41.880401] RDX: ffff8880142b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.881546] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edef2f [ 41.882695] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.883852] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176f7df8 [ 41.884988] FS: 00007f046e667900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.886282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.887248] CR2: 00007ffddef1aef7 CR3: 0000000013d06000 CR4: 0000000000350ef0 [ 41.888395] Call Trace: [ 41.888846] [ 41.889210] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.890052] ? __create_object+0x59/0x80 [ 41.890700] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.891561] __vmalloc_noprof+0x59/0x60 [ 41.892234] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.893004] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.893874] bpf_prog_alloc+0x39/0x200 [ 41.894464] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.895239] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.896074] do_seccomp+0x349/0x25e0 [ 41.896706] ? find_held_lock+0x2b/0x80 [ 41.897337] ? do_prlimit+0x310/0x610 [ 41.898036] ? __pfx_do_seccomp+0x10/0x10 [ 41.898649] ? do_raw_spin_unlock+0x53/0x220 [ 41.899429] ? _raw_spin_unlock+0x1e/0x40 [ 41.900129] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.901027] ? static_key_count+0x60/0x80 [ 41.901691] prctl_set_seccomp+0x4e/0x70 [ 41.902358] __do_sys_prctl+0xe6c/0x1d70 [ 41.903070] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.903833] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.904705] ? irqentry_exit+0xf3/0x650 [ 41.905352] do_syscall_64+0xbf/0x430 [ 41.906030] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.906884] RIP: 0033:0x7f046eb595cd [ 41.907475] 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 [ 41.910350] RSP: 002b:00007ffddef18e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.911606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f046eb595cd [ 41.912788] RDX: 000056375ea82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.913961] RBP: 00007ffddef18ed0 R08: 0000000000000000 R09: 00007ffddef18570 [ 41.915131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563762a7fb10 [ 41.916298] R13: 00007ffddef19300 R14: 0000563762a802b0 R15: 0000563762a946f0 [ 41.917478] [ 41.917899] irq event stamp: 1707 [ 41.918443] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 41.919816] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 41.921186] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 41.922616] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 41.924022] ---[ end trace 0000000000000000 ]--- [ 42.738918] ------------[ cut here ]------------ [ 42.739819] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.741836] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.743285] Modules linked in: [ 42.743907] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.745868] Tainted: [W]=WARN [ 42.746411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.747849] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.748747] 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 [ 42.752218] RSP: 0018:ffff888019f3fbc0 EFLAGS: 00010286 [ 42.753161] RAX: 0000000000000000 RBX: ffffed10033e7f78 RCX: ffffffff813a4050 [ 42.754417] RDX: ffff88800d821bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.755681] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e7f2f [ 42.756948] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.758746] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f3fdf8 [ 42.759991] FS: 00007f8d20401900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.761382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.762498] CR2: 00007f8d208f3580 CR3: 00000000200a7000 CR4: 0000000000350ef0 [ 42.763754] Call Trace: [ 42.764202] [ 42.764595] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.766842] ? __create_object+0x59/0x80 [ 42.767560] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.768992] __vmalloc_noprof+0x59/0x60 [ 42.769741] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.770559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.771457] bpf_prog_alloc+0x39/0x200 [ 42.772167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.773070] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.773951] do_seccomp+0x349/0x25e0 [ 42.774606] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.775474] ? __pfx_do_seccomp+0x10/0x10 [ 42.776231] ? find_held_lock+0x2b/0x80 [ 42.776964] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.777914] ? static_key_count+0x60/0x80 [ 42.778644] prctl_set_seccomp+0x4e/0x70 [ 42.779395] __do_sys_prctl+0xe6c/0x1d70 [ 42.780164] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.780986] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.781934] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.782867] ? irqentry_exit+0xf3/0x650 [ 42.783579] do_syscall_64+0xbf/0x430 [ 42.784292] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.785230] RIP: 0033:0x7f8d208f35cd [ 42.785917] 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 [ 42.788986] RSP: 002b:00007ffec22d8620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.790327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d208f35cd [ 42.791575] RDX: 0000556bbcc6be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.792823] RBP: 00007ffec22d8680 R08: 0000000000000000 R09: 00007ffec22d7d20 [ 42.794085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556bbdf5e240 [ 42.795338] R13: 00007ffec22d8ab0 R14: 0000556bbdf5dbf0 R15: 0000556bbdf724d0 [ 42.796619] [ 42.797079] irq event stamp: 2193 [ 42.797719] hardirqs last enabled at (2203): [] __up_console_sem+0x78/0x80 [ 42.799212] hardirqs last disabled at (2212): [] __up_console_sem+0x5d/0x80 [ 42.800676] softirqs last enabled at (2180): [] handle_softirqs+0x50c/0x770 [ 42.802176] softirqs last disabled at (2173): [] __irq_exit_rcu+0xc4/0x100 [ 42.803645] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58350' (ECDSA) to the list of known hosts. 2025/11/17 17:43:21 fuzzer started 2025/11/17 17:43:21 dialing manager at localhost:37895 2025/11/17 17:43:21 checking machine... 2025/11/17 17:43:21 checking revisions... [ 43.744930] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:43:21 testing simple program... [ 43.832143] cgroup: Unknown subsys name 'net' [ 43.885564] cgroup: Unknown subsys name 'cpuset' [ 43.900793] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:43:20 Registers: info registers vcpu 0 RAX=0000000000004068 RBX=ffffffff85c2ca00 RCX=0000000000000002 RDX=0000000000000046 RSI=0000000000000000 RDI=ffffffff88598148 RBP=ffffffff85c2d458 RSP=ffff88806ce08d68 R8 =0000000000000001 R9 =0000000000000046 R10=0000000000000001 R11=0000000000000000 R12=ffffffff85c2d458 R13=0000000000000000 R14=0000000000000001 R15=0000000000000002 RIP=ffffffff81527031 RFL=00000082 [--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 =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 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f191a2c2048 CR3=0000000017419000 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=2030323a33343a373120373120766f4e XMM01=73732878696e755f6d6170203a5d3833 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3833325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a33343a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff819f448a RDX=ffff888018d48000 RSI=0000000000000000 RDI=0000000000000000 RBP=0000000000000004 RSP=ffff88801663f5f0 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000004 R11=0000000000000001 R12=ffff88800f1c5b48 R13=0000000000000000 R14=ffffffff86650098 R15=dffffc0000000000 RIP=ffffffff81751734 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 00007f046e667900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f046e646020 CR3=000000000e8bc000 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