[ 46.509695] ------------[ cut here ]------------ [ 46.510438] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.512098] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 46.513499] Modules linked in: [ 46.514081] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.515720] Tainted: [W]=WARN [ 46.516170] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.517381] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.518136] 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 [ 46.520730] RSP: 0018:ffff88800dd3fbc0 EFLAGS: 00010286 [ 46.521504] RAX: 0000000000000000 RBX: ffffed1001ba7f78 RCX: ffffffff813a4050 [ 46.522585] RDX: ffff88800f30d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.523651] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ba7f2f [ 46.524706] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.525770] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dd3fdf8 [ 46.526830] FS: 00007fb780251900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.528008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.528878] CR2: 00007fb780743580 CR3: 000000000d089000 CR4: 0000000000350ef0 [ 46.529953] Call Trace: [ 46.530330] [ 46.530690] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.531388] ? __create_object+0x59/0x80 [ 46.532024] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.532809] __vmalloc_noprof+0x59/0x60 [ 46.533402] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.534109] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.534878] bpf_prog_alloc+0x39/0x200 [ 46.535441] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.536201] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.536946] do_seccomp+0x349/0x25e0 [ 46.537513] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.538254] ? __pfx_do_seccomp+0x10/0x10 [ 46.538895] ? find_held_lock+0x2b/0x80 [ 46.539486] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.540264] ? static_key_count+0x60/0x80 [ 46.540925] prctl_set_seccomp+0x4e/0x70 [ 46.541567] __do_sys_prctl+0xe6c/0x1d70 [ 46.542168] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.542862] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.543651] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.544405] ? irqentry_exit+0xf3/0x650 [ 46.545024] do_syscall_64+0xbf/0x430 [ 46.545636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.546377] RIP: 0033:0x7fb7807435cd [ 46.546946] 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 [ 46.549548] RSP: 002b:00007ffd2a8fb8e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.550656] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7807435cd [ 46.551711] RDX: 000055ba6cda2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.552755] RBP: 00007ffd2a8fb940 R08: 0000000000000000 R09: 00007ffd2a8fafe0 [ 46.553827] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba7bd0cad0 [ 46.554893] R13: 00007ffd2a8fbd70 R14: 000055ba7bd0dbc0 R15: 000055ba7bd1e780 [ 46.555961] [ 46.556306] irq event stamp: 1769 [ 46.556840] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 46.558092] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 46.559327] softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 [ 46.560641] softirqs last disabled at (1807): [] __irq_exit_rcu+0xc4/0x100 [ 46.562088] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.958112] ------------[ cut here ]------------ [ 49.959044] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.961035] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.962506] Modules linked in: [ 49.963140] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.965377] Tainted: [W]=WARN [ 49.966042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.967562] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.968434] 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 [ 49.971614] RSP: 0018:ffff888016fe7bc0 EFLAGS: 00010286 [ 49.972605] RAX: 0000000000000000 RBX: ffffed1002dfcf78 RCX: ffffffff813a4050 [ 49.973903] RDX: ffff888019879bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.975180] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfcf2f [ 49.976474] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.977759] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fe7df8 [ 49.979050] FS: 00007fa0d94bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.980551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.981654] CR2: 00007fa0d9a224a6 CR3: 000000000d636000 CR4: 0000000000350ef0 [ 49.982981] Call Trace: [ 49.983460] [ 49.983947] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.984881] ? __create_object+0x59/0x80 [ 49.985698] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.986706] __vmalloc_noprof+0x59/0x60 [ 49.987438] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.988328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.989311] bpf_prog_alloc+0x39/0x200 [ 49.990080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.991039] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.991968] do_seccomp+0x349/0x25e0 [ 49.992712] ? find_held_lock+0x2b/0x80 [ 49.993459] ? do_prlimit+0x310/0x610 [ 49.994222] ? __pfx_do_seccomp+0x10/0x10 [ 49.995023] ? do_raw_spin_unlock+0x53/0x220 [ 49.995881] ? _raw_spin_unlock+0x1e/0x40 [ 49.996690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.997692] ? static_key_count+0x60/0x80 [ 49.998462] prctl_set_seccomp+0x4e/0x70 [ 49.999233] __do_sys_prctl+0xe6c/0x1d70 [ 50.000005] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.000869] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.001832] ? irqentry_exit+0xf3/0x650 [ 50.002600] do_syscall_64+0xbf/0x430 [ 50.003293] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.004232] RIP: 0033:0x7fa0d99ae5cd [ 50.004924] 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 [ 50.008089] RSP: 002b:00007ffe8c3471d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.009467] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0d99ae5cd [ 50.010737] RDX: 0000563988106e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.012022] RBP: 00007ffe8c347230 R08: 0000000000000000 R09: 00007ffe8c3468d0 [ 50.013302] R10: 0000000000000000 R11: 0000000000000246 R12: 000056399c2e8ad0 [ 50.014579] R13: 00007ffe8c347660 R14: 000056399c2e9bc0 R15: 000056399c2fa780 [ 50.015876] [ 50.016298] irq event stamp: 1851 [ 50.016942] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 50.018466] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 50.019977] softirqs last enabled at (1406): [] handle_softirqs+0x50c/0x770 [ 50.021547] softirqs last disabled at (1401): [] __irq_exit_rcu+0xc4/0x100 [ 50.022934] ---[ end trace 0000000000000000 ]--- [ 50.789925] ------------[ cut here ]------------ [ 50.790881] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.792897] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/255 [ 50.794485] Modules linked in: [ 50.795155] CPU: 0 UID: 104 PID: 255 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.797244] Tainted: [W]=WARN [ 50.797868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.799405] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.800363] 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 [ 50.803696] RSP: 0018:ffff88801ad4fbc0 EFLAGS: 00010286 [ 50.804704] RAX: 0000000000000000 RBX: ffffed10035a9f78 RCX: ffffffff813a4050 [ 50.806052] RDX: ffff88801987b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.807396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035a9f2f [ 50.808739] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.810106] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ad4fdf8 [ 50.811457] FS: 00007f8e7aa2c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.812965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.814078] CR2: 00007f8e7af924a6 CR3: 000000000a5b9000 CR4: 0000000000350ef0 [ 50.815389] Call Trace: [ 50.815910] [ 50.816327] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.817247] ? __create_object+0x59/0x80 [ 50.818041] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.819027] __vmalloc_noprof+0x59/0x60 [ 50.819788] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.820669] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.821628] bpf_prog_alloc+0x39/0x200 [ 50.822322] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.823252] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.824168] do_seccomp+0x349/0x25e0 [ 50.824893] ? find_held_lock+0x2b/0x80 [ 50.825676] ? do_prlimit+0x310/0x610 [ 50.826390] ? __pfx_do_seccomp+0x10/0x10 [ 50.827173] ? do_raw_spin_unlock+0x53/0x220 [ 50.828025] ? _raw_spin_unlock+0x1e/0x40 [ 50.828824] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.829807] ? static_key_count+0x60/0x80 [ 50.830629] prctl_set_seccomp+0x4e/0x70 [ 50.831360] __do_sys_prctl+0xe6c/0x1d70 [ 50.832142] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.833006] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.834011] ? irqentry_exit+0xf3/0x650 [ 50.834788] do_syscall_64+0xbf/0x430 [ 50.835508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.836461] RIP: 0033:0x7f8e7af1e5cd [ 50.837209] 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 [ 50.840463] RSP: 002b:00007ffd32733f70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.841847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e7af1e5cd [ 50.843163] RDX: 0000563753febe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.844458] RBP: 00007ffd32733fd0 R08: 0000000000000000 R09: 00007ffd32733670 [ 50.845756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563760c172b0 [ 50.847070] R13: 00007ffd32734400 R14: 0000563760c19d20 R15: 0000563760c2b8d0 [ 50.848376] [ 50.848848] irq event stamp: 1777 [ 50.849474] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 50.850990] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 50.852513] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 50.854085] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 50.855617] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61525' (ECDSA) to the list of known hosts. 2025/11/18 22:01:35 fuzzer started 2025/11/18 22:01:35 dialing manager at localhost:34383 2025/11/18 22:01:35 checking machine... 2025/11/18 22:01:35 checking revisions... [ 51.771364] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:01:36 testing simple program... [ 51.856642] cgroup: Unknown subsys name 'net' [ 51.920040] cgroup: Unknown subsys name 'cpuset' [ 51.933330] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:01:35 Registers: info registers vcpu 0 RAX=ffffffff8135e4a9 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801640f898 R8 =0000000000000000 R9 =0000000000000000 R10=ffff88801640f9d0 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801640f9d0 RIP=ffffffff81529235 RFL=00000292 [--S-A--] 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 00007fa0d94bc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe8c341000 CR3=000000001eaa9000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000290cb 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff9985b0710 CR3=00000000071f6000 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=27eb355bccc35db7434f24e46a81a2be XMM02=ec2efd57dc4c00df0000000000304810 XMM03=29d0588229f365bd00000000003048e0 XMM04=6a1549ac76070fc800000000000ae988 XMM05=f6f26eb69d5d053d000000000031f988 XMM06=3f3b350a98f8ec8f00000000003198f8 XMM07=e042d86d42eb936e000000000030feb8 XMM08=29d0588229f365bd00000000003048e0 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000