[ 39.036335] ------------[ cut here ]------------ [ 39.037249] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.039261] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.040945] Modules linked in: [ 39.041629] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.043590] Tainted: [W]=WARN [ 39.044148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.045627] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.046523] 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 [ 39.049697] RSP: 0018:ffff888018b1fbc0 EFLAGS: 00010286 [ 39.050668] RAX: 0000000000000000 RBX: ffffed1003163f78 RCX: ffffffff813a4050 [ 39.051950] RDX: ffff8880171e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.053220] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003163f2f [ 39.054494] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.055772] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b1fdf8 [ 39.057069] FS: 00007f7ce03d3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.058513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.059581] CR2: 00007f7ce08c5580 CR3: 000000001d4b6000 CR4: 0000000000350ef0 [ 39.060858] Call Trace: [ 39.061323] [ 39.061786] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.062696] ? __create_object+0x59/0x80 [ 39.063423] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.064389] __vmalloc_noprof+0x59/0x60 [ 39.065153] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.066022] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.066960] bpf_prog_alloc+0x39/0x200 [ 39.067701] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.068644] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.069563] do_seccomp+0x349/0x25e0 [ 39.070235] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.071131] ? __pfx_do_seccomp+0x10/0x10 [ 39.071935] ? find_held_lock+0x2b/0x80 [ 39.072691] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.073661] ? static_key_count+0x60/0x80 [ 39.074409] prctl_set_seccomp+0x4e/0x70 [ 39.075192] __do_sys_prctl+0xe6c/0x1d70 [ 39.075987] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.076847] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.077811] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.078771] ? irqentry_exit+0xf3/0x650 [ 39.079539] do_syscall_64+0xbf/0x430 [ 39.080249] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.081197] RIP: 0033:0x7f7ce08c55cd [ 39.081905] 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 [ 39.085075] RSP: 002b:00007ffe90413340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.086426] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ce08c55cd [ 39.087701] RDX: 000055940baace00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.088996] RBP: 00007ffe904133a0 R08: 0000000000000000 R09: 00007ffe90412a40 [ 39.090274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559436b7cad0 [ 39.091552] R13: 00007ffe904137d0 R14: 0000559436b7dbc0 R15: 0000559436b8e780 [ 39.092848] [ 39.093273] irq event stamp: 1821 [ 39.093921] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.095430] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.096977] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 39.098500] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 39.100007] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.566166] ------------[ cut here ]------------ [ 41.567089] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.569128] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.570795] Modules linked in: [ 41.571388] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.573444] Tainted: [W]=WARN [ 41.574031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.575503] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.576380] 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 [ 41.579557] RSP: 0018:ffff88801454fbc0 EFLAGS: 00010286 [ 41.580554] RAX: 0000000000000000 RBX: ffffed10028a9f78 RCX: ffffffff813a4050 [ 41.581833] RDX: ffff8880179a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.583111] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028a9f2f [ 41.584394] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.585684] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801454fdf8 [ 41.586966] FS: 00007f5d02068900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.588404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.589479] CR2: 00007ffc0f5f6ef8 CR3: 000000000d478000 CR4: 0000000000350ef0 [ 41.590767] Call Trace: [ 41.591226] [ 41.591678] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.592599] ? __create_object+0x59/0x80 [ 41.593336] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.594300] __vmalloc_noprof+0x59/0x60 [ 41.595050] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.595923] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.596868] bpf_prog_alloc+0x39/0x200 [ 41.597613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.598532] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.599405] do_seccomp+0x349/0x25e0 [ 41.600143] ? find_held_lock+0x2b/0x80 [ 41.600897] ? do_prlimit+0x310/0x610 [ 41.601644] ? __pfx_do_seccomp+0x10/0x10 [ 41.602384] ? do_raw_spin_unlock+0x53/0x220 [ 41.603217] ? _raw_spin_unlock+0x1e/0x40 [ 41.604028] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.605011] ? static_key_count+0x60/0x80 [ 41.605826] prctl_set_seccomp+0x4e/0x70 [ 41.606607] __do_sys_prctl+0xe6c/0x1d70 [ 41.607346] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.608210] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.609179] ? irqentry_exit+0xf3/0x650 [ 41.609949] do_syscall_64+0xbf/0x430 [ 41.610687] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.611646] RIP: 0033:0x7f5d0255a5cd [ 41.612329] 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 [ 41.615503] RSP: 002b:00007ffc0f5f5b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.616869] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d0255a5cd [ 41.618161] RDX: 000056343a8b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.619435] RBP: 00007ffc0f5f5bc0 R08: 0000000000000000 R09: 00007ffc0f5f5260 [ 41.620767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563442328ad0 [ 41.622052] R13: 00007ffc0f5f5ff0 R14: 0000563442329bc0 R15: 000056344233a780 [ 41.623349] [ 41.623810] irq event stamp: 1795 [ 41.624409] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 41.625694] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 41.626974] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 41.628282] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 41.629562] ---[ end trace 0000000000000000 ]--- [ 42.331747] ------------[ cut here ]------------ [ 42.332717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.334755] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.336213] Modules linked in: [ 42.336838] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.338843] Tainted: [W]=WARN [ 42.339395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.341137] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.342129] 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 [ 42.345367] RSP: 0018:ffff8880170a7bc0 EFLAGS: 00010286 [ 42.346360] RAX: 0000000000000000 RBX: ffffed1002e14f78 RCX: ffffffff813a4050 [ 42.347665] RDX: ffff888017588000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.348956] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e14f2f [ 42.350255] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.351536] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170a7df8 [ 42.352837] FS: 00007fcedcc53900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.354308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.355361] CR2: 00007fcedd145580 CR3: 000000001e2b1000 CR4: 0000000000350ef0 [ 42.356664] Call Trace: [ 42.357127] [ 42.357595] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.358492] ? __create_object+0x59/0x80 [ 42.359238] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.360227] __vmalloc_noprof+0x59/0x60 [ 42.360986] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.361884] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.362828] bpf_prog_alloc+0x39/0x200 [ 42.363574] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.364526] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.365386] do_seccomp+0x349/0x25e0 [ 42.366102] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.367018] ? __pfx_do_seccomp+0x10/0x10 [ 42.367811] ? find_held_lock+0x2b/0x80 [ 42.368577] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.369546] ? static_key_count+0x60/0x80 [ 42.370344] prctl_set_seccomp+0x4e/0x70 [ 42.371113] __do_sys_prctl+0xe6c/0x1d70 [ 42.371919] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.372805] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.373788] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.374768] ? irqentry_exit+0xf3/0x650 [ 42.375554] do_syscall_64+0xbf/0x430 [ 42.376274] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.377233] RIP: 0033:0x7fcedd1455cd [ 42.377933] 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 [ 42.381134] RSP: 002b:00007ffd18982b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.382534] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcedd1455cd [ 42.383817] RDX: 000056514a945e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.385111] RBP: 00007ffd18982bb0 R08: 0000000000000000 R09: 00007ffd18982250 [ 42.386394] R10: 0000000000000000 R11: 0000000000000246 R12: 000056516947aad0 [ 42.387677] R13: 00007ffd18982fe0 R14: 000056516947bbc0 R15: 000056516948c780 [ 42.388958] [ 42.389330] irq event stamp: 1859 [ 42.389887] hardirqs last enabled at (1869): [] __up_console_sem+0x78/0x80 [ 42.391178] hardirqs last disabled at (1878): [] __up_console_sem+0x5d/0x80 [ 42.392476] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 42.393772] softirqs last disabled at (1793): [] __irq_exit_rcu+0xc4/0x100 [ 42.395019] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5018' (ECDSA) to the list of known hosts. 2025/11/17 19:01:01 fuzzer started 2025/11/17 19:01:01 dialing manager at localhost:37895 2025/11/17 19:01:01 checking machine... 2025/11/17 19:01:01 checking revisions... [ 43.365579] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:01:01 testing simple program... [ 43.473090] cgroup: Unknown subsys name 'net' [ 43.535697] cgroup: Unknown subsys name 'cpuset' [ 43.549335] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:01:00 Registers: info registers vcpu 0 RAX=ffff88800c2ed340 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888016e77510 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cd8 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 00007f5d02068900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5d02037008 CR3=000000000d485000 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=000000000002022b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7a46a2e100 CR3=000000000cc9c000 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=08d82d30aabe24b97640bd8184813a74 XMM02=2c67c8bc2e329bc300000000003028b8 XMM03=fb795ef6d6577056000000000030e250 XMM04=4ae82b23c450eb6100000000000ae988 XMM05=d96330e2d2db8632000000000031f5c8 XMM06=474038aa6c007e1f000000000031f450 XMM07=e042d86d42eb936e000000000030e4d0 XMM08=b9cc676649d0e65f0000000000302918 XMM09=00000000000000000000000000000000 XMM10=20200000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000