[ 39.045215] ------------[ cut here ]------------ [ 39.046090] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.048075] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.049549] Modules linked in: [ 39.050130] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.052270] Tainted: [W]=WARN [ 39.052911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.054405] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.055327] 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 [ 39.058542] RSP: 0018:ffff888016af7bc0 EFLAGS: 00010286 [ 39.059535] RAX: 0000000000000000 RBX: ffffed1002d5ef78 RCX: ffffffff813a4050 [ 39.060810] RDX: ffff8880172b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.062132] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5ef2f [ 39.063417] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.064694] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016af7df8 [ 39.066013] FS: 00007fc0a4e0e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.067478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.068537] CR2: 00007fffdd524ef8 CR3: 000000000dd03000 CR4: 0000000000350ef0 [ 39.069868] Call Trace: [ 39.070382] [ 39.070785] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.071673] ? __create_object+0x59/0x80 [ 39.072461] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.073455] __vmalloc_noprof+0x59/0x60 [ 39.074219] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.075058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.075980] bpf_prog_alloc+0x39/0x200 [ 39.076713] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.077672] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.078597] do_seccomp+0x349/0x25e0 [ 39.079325] ? find_held_lock+0x2b/0x80 [ 39.080027] ? do_prlimit+0x310/0x610 [ 39.080759] ? __pfx_do_seccomp+0x10/0x10 [ 39.081585] ? do_raw_spin_unlock+0x53/0x220 [ 39.082413] ? _raw_spin_unlock+0x1e/0x40 [ 39.083141] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.084103] ? static_key_count+0x60/0x80 [ 39.084903] prctl_set_seccomp+0x4e/0x70 [ 39.085716] __do_sys_prctl+0xe6c/0x1d70 [ 39.086488] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.087341] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.088305] ? irqentry_exit+0xf3/0x650 [ 39.089046] do_syscall_64+0xbf/0x430 [ 39.089794] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.090754] RIP: 0033:0x7fc0a53005cd [ 39.091452] 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 [ 39.094631] RSP: 002b:00007fffdd522ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.095973] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0a53005cd [ 39.097309] RDX: 000055b2cd585e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.098589] RBP: 00007fffdd522f30 R08: 0000000000000000 R09: 00007fffdd5225d0 [ 39.099859] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b30439a240 [ 39.101183] R13: 00007fffdd523360 R14: 000055b304399bf0 R15: 000055b3043ae4d0 [ 39.102501] [ 39.102920] irq event stamp: 1751 [ 39.103563] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.105118] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.106688] softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770 [ 39.108252] softirqs last disabled at (1503): [] __irq_exit_rcu+0xc4/0x100 [ 39.109621] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.415105] ------------[ cut here ]------------ [ 42.415987] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.417879] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.419246] Modules linked in: [ 42.419808] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.421752] Tainted: [W]=WARN [ 42.422328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.423713] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.424604] 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 [ 42.427631] RSP: 0018:ffff88801ac27bc0 EFLAGS: 00010286 [ 42.428553] RAX: 0000000000000000 RBX: ffffed1003584f78 RCX: ffffffff813a4050 [ 42.429783] RDX: ffff888017139bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.430994] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003584f2f [ 42.432211] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.433453] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac27df8 [ 42.434654] FS: 00007fa46dfb8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.436002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.437025] CR2: 00007fff34d28ef8 CR3: 000000002079d000 CR4: 0000000000350ef0 [ 42.438247] Call Trace: [ 42.438687] [ 42.439069] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.439937] ? __create_object+0x59/0x80 [ 42.441189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.442062] __vmalloc_noprof+0x59/0x60 [ 42.442876] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.443720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.444612] bpf_prog_alloc+0x39/0x200 [ 42.445330] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.446210] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.447022] do_seccomp+0x349/0x25e0 [ 42.447729] ? find_held_lock+0x2b/0x80 [ 42.448443] ? do_prlimit+0x310/0x610 [ 42.449118] ? __pfx_do_seccomp+0x10/0x10 [ 42.449858] ? do_raw_spin_unlock+0x53/0x220 [ 42.450640] ? _raw_spin_unlock+0x1e/0x40 [ 42.451378] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.452297] ? static_key_count+0x60/0x80 [ 42.453025] prctl_set_seccomp+0x4e/0x70 [ 42.453745] __do_sys_prctl+0xe6c/0x1d70 [ 42.454479] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.455286] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.456208] ? irqentry_exit+0xf3/0x650 [ 42.456881] do_syscall_64+0xbf/0x430 [ 42.457598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.458490] RIP: 0033:0x7fa46e4aa5cd [ 42.459110] 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 [ 42.462109] RSP: 002b:00007fff34d27780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.463398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa46e4aa5cd [ 42.464628] RDX: 00005638db5eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.465801] RBP: 00007fff34d277e0 R08: 0000000000000000 R09: 00007fff34d26e80 [ 42.466849] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638fcecaad0 [ 42.467877] R13: 00007fff34d27c10 R14: 00005638fcecbbc0 R15: 00005638fcedc780 [ 42.468904] [ 42.469279] irq event stamp: 1829 [ 42.469762] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 42.470972] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 42.472187] softirqs last enabled at (1796): [] handle_softirqs+0x50c/0x770 [ 42.473405] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 42.474610] ---[ end trace 0000000000000000 ]--- [ 43.269000] ------------[ cut here ]------------ [ 43.269844] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.271605] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.272896] Modules linked in: [ 43.273461] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.275248] Tainted: [W]=WARN [ 43.275745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.277322] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.278111] 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 [ 43.280927] RSP: 0018:ffff88801662fbc0 EFLAGS: 00010286 [ 43.281791] RAX: 0000000000000000 RBX: ffffed1002cc5f78 RCX: ffffffff813a4050 [ 43.282910] RDX: ffff8880168b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.284038] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc5f2f [ 43.285177] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.286298] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801662fdf8 [ 43.287417] FS: 00007f7d96efd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.288651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.289600] CR2: 00007ffcd3f88ef8 CR3: 0000000020d98000 CR4: 0000000000350ef0 [ 43.290722] Call Trace: [ 43.291128] [ 43.291522] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.292304] ? __create_object+0x59/0x80 [ 43.292950] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.293802] __vmalloc_noprof+0x59/0x60 [ 43.294453] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.295211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.295993] bpf_prog_alloc+0x39/0x200 [ 43.296637] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.297455] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.298234] do_seccomp+0x349/0x25e0 [ 43.298955] ? find_held_lock+0x2b/0x80 [ 43.299617] ? do_prlimit+0x310/0x610 [ 43.300268] ? __pfx_do_seccomp+0x10/0x10 [ 43.300922] ? do_raw_spin_unlock+0x53/0x220 [ 43.301654] ? _raw_spin_unlock+0x1e/0x40 [ 43.302318] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.303112] ? static_key_count+0x60/0x80 [ 43.303805] prctl_set_seccomp+0x4e/0x70 [ 43.304475] __do_sys_prctl+0xe6c/0x1d70 [ 43.305128] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.305858] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.306691] ? irqentry_exit+0xf3/0x650 [ 43.307338] do_syscall_64+0xbf/0x430 [ 43.307943] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.308757] RIP: 0033:0x7f7d973ef5cd [ 43.309376] 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 [ 43.312356] RSP: 002b:00007ffcd3f86790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.313535] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d973ef5cd [ 43.314642] RDX: 00005654bd134e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.315738] RBP: 00007ffcd3f867f0 R08: 0000000000000000 R09: 00007ffcd3f85e90 [ 43.316837] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654d50982b0 [ 43.317940] R13: 00007ffcd3f86c20 R14: 00005654d509ad20 R15: 00005654d50ac8d0 [ 43.319050] [ 43.319447] irq event stamp: 1815 [ 43.319963] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 43.321285] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 43.322579] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 43.323906] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 43.325205] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22175' (ECDSA) to the list of known hosts. 2025/11/18 17:40:42 fuzzer started 2025/11/18 17:40:42 dialing manager at localhost:34383 2025/11/18 17:40:42 checking machine... 2025/11/18 17:40:42 checking revisions... [ 44.256057] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:40:42 testing simple program... [ 44.354799] cgroup: Unknown subsys name 'net' [ 44.435303] cgroup: Unknown subsys name 'cpuset' [ 44.449525] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:40:41 Registers: info registers vcpu 0 RAX=ffff88801b190000 RBX=ffff88806ce08a70 RCX=0000000000000001 RDX=1ffff1100d9c1150 RSI=ffff88801b18ff58 RDI=ffff88806ce08a80 RBP=ffff88801b18ff58 RSP=ffff88806ce089c8 R8 =ffffffff869d8196 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=00000000000000a8 R13=ffff88801b188000 R14=ffff88801b18ff58 R15=ffff88806ce08a70 RIP=ffffffff8135e292 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 00007fa46dfb8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff34d21000 CR3=0000000020730000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff86556ea0 RBX=ffffffff8649b680 RCX=ffff8880172313a4 RDX=1ffffffff0c936e3 RSI=ffffffff8145787d RDI=ffffffff8649b680 RBP=ffffffff8649b718 RSP=ffff88801b18fc68 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888016a5ce00 R14=ffff888017231720 R15=ffff88801b18fd50 RIP=ffffffff814578a7 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 00007fa46dfb8900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0205d8c2b8 CR3=0000000020730000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000