[ 38.951109] ------------[ cut here ]------------ [ 38.951938] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.953990] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.955476] Modules linked in: [ 38.956241] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.958018] Tainted: [W]=WARN [ 38.958511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.959813] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.960623] 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 [ 38.963440] RSP: 0018:ffff88801a3c7bc0 EFLAGS: 00010286 [ 38.964305] RAX: 0000000000000000 RBX: ffffed1003478f78 RCX: ffffffff813a4050 [ 38.965444] RDX: ffff88800f2a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.966592] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003478f2f [ 38.967745] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.968880] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a3c7df8 [ 38.970032] FS: 00007f62e1937900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.971314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.972255] CR2: 00007ffc48268ef8 CR3: 000000001c1d5000 CR4: 0000000000350ef0 [ 38.973414] Call Trace: [ 38.973862] [ 38.974228] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.975029] ? __create_object+0x59/0x80 [ 38.975725] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.976552] __vmalloc_noprof+0x59/0x60 [ 38.977237] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.978026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.978858] bpf_prog_alloc+0x39/0x200 [ 38.979478] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.980303] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.981107] do_seccomp+0x349/0x25e0 [ 38.981760] ? find_held_lock+0x2b/0x80 [ 38.982398] ? do_prlimit+0x310/0x610 [ 38.983056] ? __pfx_do_seccomp+0x10/0x10 [ 38.983754] ? do_raw_spin_unlock+0x53/0x220 [ 38.984452] ? _raw_spin_unlock+0x1e/0x40 [ 38.985142] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.986039] ? static_key_count+0x60/0x80 [ 38.986780] prctl_set_seccomp+0x4e/0x70 [ 38.987448] __do_sys_prctl+0xe6c/0x1d70 [ 38.988161] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.988945] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.989845] ? irqentry_exit+0xf3/0x650 [ 38.990503] do_syscall_64+0xbf/0x430 [ 38.991175] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.992049] RIP: 0033:0x7f62e1e295cd [ 38.992694] 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 [ 38.995608] RSP: 002b:00007ffc48266c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.996867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62e1e295cd [ 38.998065] RDX: 000055f83c98ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.999257] RBP: 00007ffc48266cf0 R08: 0000000000000000 R09: 00007ffc48266390 [ 39.000439] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f85d140ad0 [ 39.001630] R13: 00007ffc48267120 R14: 000055f85d141bc0 R15: 000055f85d152780 [ 39.002826] [ 39.003220] irq event stamp: 1821 [ 39.003828] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.005241] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.006669] softirqs last enabled at (1854): [] handle_softirqs+0x50c/0x770 [ 39.008092] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 39.009494] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.027651] ------------[ cut here ]------------ [ 42.028700] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.031070] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.032662] Modules linked in: [ 42.033468] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.036025] Tainted: [W]=WARN [ 42.036878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.038406] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.039461] 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 [ 42.043018] RSP: 0018:ffff88800ea57bc0 EFLAGS: 00010286 [ 42.044156] RAX: 0000000000000000 RBX: ffffed1001d4af78 RCX: ffffffff813a4050 [ 42.045502] RDX: ffff888016179bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.046904] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d4af2f [ 42.048430] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.049783] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ea57df8 [ 42.051184] FS: 00007f992adf9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.052865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.053990] CR2: 00007fff8f229ef8 CR3: 000000001fc2d000 CR4: 0000000000350ef0 [ 42.055422] Call Trace: [ 42.056105] [ 42.056567] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.057511] ? __create_object+0x59/0x80 [ 42.058305] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.059313] __vmalloc_noprof+0x59/0x60 [ 42.060299] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.061255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.062240] bpf_prog_alloc+0x39/0x200 [ 42.063118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.064248] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.065181] do_seccomp+0x349/0x25e0 [ 42.065991] ? find_held_lock+0x2b/0x80 [ 42.066992] ? do_prlimit+0x310/0x610 [ 42.067823] ? __pfx_do_seccomp+0x10/0x10 [ 42.068628] ? do_raw_spin_unlock+0x53/0x220 [ 42.069542] ? _raw_spin_unlock+0x1e/0x40 [ 42.070548] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.071557] ? static_key_count+0x60/0x80 [ 42.072459] prctl_set_seccomp+0x4e/0x70 [ 42.073487] __do_sys_prctl+0xe6c/0x1d70 [ 42.074315] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.075394] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.076494] ? irqentry_exit+0xf3/0x650 [ 42.077274] do_syscall_64+0xbf/0x430 [ 42.078078] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.079276] RIP: 0033:0x7f992b2eb5cd [ 42.080068] 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 [ 42.083300] RSP: 002b:00007fff8f228e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.084476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f992b2eb5cd [ 42.085735] RDX: 000055af6aecbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.086938] RBP: 00007fff8f228ec0 R08: 0000000000000000 R09: 00007fff8f228560 [ 42.088033] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af8fd392b0 [ 42.089322] R13: 00007fff8f2292f0 R14: 000055af8fd3bd20 R15: 000055af8fd4d8d0 [ 42.090476] [ 42.090864] irq event stamp: 1801 [ 42.091364] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.092682] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.094198] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 42.095519] softirqs last disabled at (1299): [] __irq_exit_rcu+0xc4/0x100 [ 42.096806] ---[ end trace 0000000000000000 ]--- [ 42.696761] ------------[ cut here ]------------ [ 42.697775] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.699781] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.701252] Modules linked in: [ 42.701918] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.703953] Tainted: [W]=WARN [ 42.704514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.706020] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.706945] 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 [ 42.710172] RSP: 0018:ffff8880176b7bc0 EFLAGS: 00010286 [ 42.711167] RAX: 0000000000000000 RBX: ffffed1002ed6f78 RCX: ffffffff813a4050 [ 42.712462] RDX: ffff88801a2c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.713774] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed6f2f [ 42.715074] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.716368] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176b7df8 [ 42.717681] FS: 00007f955fcf6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.719138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.720212] CR2: 00007f95601e8580 CR3: 000000000bbb1000 CR4: 0000000000350ef0 [ 42.721567] Call Trace: [ 42.722110] [ 42.722525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.723449] ? __create_object+0x59/0x80 [ 42.724241] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.725224] __vmalloc_noprof+0x59/0x60 [ 42.726005] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.726876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.727812] bpf_prog_alloc+0x39/0x200 [ 42.728507] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.729458] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.730382] do_seccomp+0x349/0x25e0 [ 42.731111] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.732023] ? __pfx_do_seccomp+0x10/0x10 [ 42.732820] ? find_held_lock+0x2b/0x80 [ 42.733557] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.734528] ? static_key_count+0x60/0x80 [ 42.735339] prctl_set_seccomp+0x4e/0x70 [ 42.736122] __do_sys_prctl+0xe6c/0x1d70 [ 42.736908] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.737784] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.738774] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.739746] ? irqentry_exit+0xf3/0x650 [ 42.740473] do_syscall_64+0xbf/0x430 [ 42.741216] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.742205] RIP: 0033:0x7f95601e85cd [ 42.742922] 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 [ 42.746222] RSP: 002b:00007ffec87fb3b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.747631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95601e85cd [ 42.748941] RDX: 0000557cfaf44e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.750256] RBP: 00007ffec87fb410 R08: 0000000000000000 R09: 00007ffec87faab0 [ 42.751553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d0e9b8ad0 [ 42.752863] R13: 00007ffec87fb840 R14: 0000557d0e9b9bc0 R15: 0000557d0e9ca780 [ 42.754192] [ 42.754491] irq event stamp: 1751 [ 42.754896] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 42.755860] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 42.756834] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 42.757835] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 42.758681] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51940' (ECDSA) to the list of known hosts. 2025/11/19 03:15:20 fuzzer started 2025/11/19 03:15:20 dialing manager at localhost:34383 2025/11/19 03:15:20 checking machine... 2025/11/19 03:15:20 checking revisions... [ 43.523627] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:15:20 testing simple program... [ 43.611770] cgroup: Unknown subsys name 'net' [ 43.698474] cgroup: Unknown subsys name 'cpuset' [ 43.714401] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:15:19 Registers: info registers vcpu 0 RAX=ffff888016048001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888016047d01 RSI=ffff888016047d20 RDI=ffff888016047d20 RBP=ffff88806ce08ac8 RSP=ffff88806ce089f8 R8 =ffffffff86da5e28 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000a24c6 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff888016047d28 R15=ffff88806ce08a70 RIP=ffffffff8135da20 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 00007f992adf9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff8f222000 CR3=000000001f3e5000 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=6720646572637465733a4d41503d706f 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=dffffc0000000000 RBX=ffff888016047718 RCX=ffff88801604766c RDX=1ffff11002c08eee RSI=ffffffff85e1ffe0 RDI=ffff888016047718 RBP=ffff888016047770 RSP=ffff888016047700 R8 =ffffffff86a49dd0 R9 =ffff888016047758 R10=000000000003c9ed R11=0000000000012f5f R12=ffff8880160477e0 R13=0000000000000000 R14=ffff88801a3b0000 R15=ffff88800944cc80 RIP=ffffffff8135e1ae 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 00007f992adf9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f992add8020 CR3=000000001f3e5000 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