[ 45.783905] ------------[ cut here ]------------ [ 45.784993] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.787261] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 45.788989] Modules linked in: [ 45.789714] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.792010] Tainted: [W]=WARN [ 45.792726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.794425] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.795480] 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 [ 45.799123] RSP: 0018:ffff88801729fbc0 EFLAGS: 00010286 [ 45.800255] RAX: 0000000000000000 RBX: ffffed1002e53f78 RCX: ffffffff813a4050 [ 45.801728] RDX: ffff8880193f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.803215] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e53f2f [ 45.804741] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.806227] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801729fdf8 [ 45.807705] FS: 00007f61e8644900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.809381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.810603] CR2: 00007f61e8b36580 CR3: 00000000161da000 CR4: 0000000000350ef0 [ 45.812104] Call Trace: [ 45.812644] [ 45.813172] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.814206] ? __create_object+0x59/0x80 [ 45.815104] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.816235] __vmalloc_noprof+0x59/0x60 [ 45.817109] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.818096] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.819163] bpf_prog_alloc+0x39/0x200 [ 45.820018] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.821111] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.822162] do_seccomp+0x349/0x25e0 [ 45.823001] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.824042] ? __pfx_do_seccomp+0x10/0x10 [ 45.824977] ? find_held_lock+0x2b/0x80 [ 45.825840] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.826951] ? static_key_count+0x60/0x80 [ 45.827876] prctl_set_seccomp+0x4e/0x70 [ 45.828787] __do_sys_prctl+0xe6c/0x1d70 [ 45.829625] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.830598] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.831591] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.832704] ? irqentry_exit+0xf3/0x650 [ 45.833448] do_syscall_64+0xbf/0x430 [ 45.834200] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.835166] RIP: 0033:0x7f61e8b365cd [ 45.835878] 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 [ 45.839141] RSP: 002b:00007ffc8f3c6d30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.840546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f61e8b365cd [ 45.841846] RDX: 00005621161bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.843149] RBP: 00007ffc8f3c6d90 R08: 0000000000000000 R09: 00007ffc8f3c6430 [ 45.844468] R10: 0000000000000000 R11: 0000000000000246 R12: 000056212202ead0 [ 45.845770] R13: 00007ffc8f3c71c0 R14: 000056212202fbc0 R15: 0000562122040780 [ 45.847098] [ 45.847528] irq event stamp: 1775 [ 45.848205] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 45.849634] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 45.850953] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 45.852273] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 45.853564] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.023716] ------------[ cut here ]------------ [ 49.024632] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.026712] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.028207] Modules linked in: [ 49.028845] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.031090] Tainted: [W]=WARN [ 49.031762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.033450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.034496] 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 [ 49.038106] RSP: 0018:ffff88801b2efbc0 EFLAGS: 00010286 [ 49.039217] RAX: 0000000000000000 RBX: ffffed100365df78 RCX: ffffffff813a4050 [ 49.040696] RDX: ffff888013df5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.042169] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100365df2f [ 49.043627] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.045115] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b2efdf8 [ 49.046574] FS: 00007facad929900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.048234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.049455] CR2: 00007ffe9315bef7 CR3: 000000000bab7000 CR4: 0000000000350ef0 [ 49.050917] Call Trace: [ 49.051442] [ 49.051959] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.052997] ? __create_object+0x59/0x80 [ 49.053899] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.055017] __vmalloc_noprof+0x59/0x60 [ 49.055880] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.056887] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.057941] bpf_prog_alloc+0x39/0x200 [ 49.058784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.059843] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.060896] do_seccomp+0x349/0x25e0 [ 49.061710] ? find_held_lock+0x2b/0x80 [ 49.062527] ? do_prlimit+0x310/0x610 [ 49.063376] ? __pfx_do_seccomp+0x10/0x10 [ 49.064294] ? do_raw_spin_unlock+0x53/0x220 [ 49.065248] ? _raw_spin_unlock+0x1e/0x40 [ 49.066137] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.067239] ? static_key_count+0x60/0x80 [ 49.068164] prctl_set_seccomp+0x4e/0x70 [ 49.069056] __do_sys_prctl+0xe6c/0x1d70 [ 49.069953] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.070937] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.072031] ? irqentry_exit+0xf3/0x650 [ 49.072910] do_syscall_64+0xbf/0x430 [ 49.073750] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.074823] RIP: 0033:0x7facade1b5cd [ 49.075572] 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 [ 49.079162] RSP: 002b:00007ffe93159b00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.080721] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007facade1b5cd [ 49.082163] RDX: 000055b912ca9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.083608] RBP: 00007ffe93159b60 R08: 0000000000000000 R09: 00007ffe93159200 [ 49.085063] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b93ed54ad0 [ 49.086525] R13: 00007ffe93159f90 R14: 000055b93ed55bc0 R15: 000055b93ed66780 [ 49.088009] [ 49.088502] irq event stamp: 1747 [ 49.089212] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 49.090707] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 49.092236] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 49.093754] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 49.095243] ---[ end trace 0000000000000000 ]--- [ 49.787737] ------------[ cut here ]------------ [ 49.788749] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.790876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.792443] Modules linked in: [ 49.793373] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.795555] Tainted: [W]=WARN [ 49.796226] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.797779] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.798745] 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 [ 49.802080] RSP: 0018:ffff88801983fbc0 EFLAGS: 00010286 [ 49.803109] RAX: 0000000000000000 RBX: ffffed1003307f78 RCX: ffffffff813a4050 [ 49.804470] RDX: ffff88800e1f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.805818] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003307f2f [ 49.807185] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.808565] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801983fdf8 [ 49.809902] FS: 00007fbb794a6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.811425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.812538] CR2: 00007fbb79998580 CR3: 0000000015c08000 CR4: 0000000000350ef0 [ 49.813886] Call Trace: [ 49.814370] [ 49.814835] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.815761] ? __create_object+0x59/0x80 [ 49.816547] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.817539] __vmalloc_noprof+0x59/0x60 [ 49.818320] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.819228] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.820185] bpf_prog_alloc+0x39/0x200 [ 49.820947] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.821905] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.822826] do_seccomp+0x349/0x25e0 [ 49.823518] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.824458] ? __pfx_do_seccomp+0x10/0x10 [ 49.825272] ? find_held_lock+0x2b/0x80 [ 49.826049] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.827048] ? static_key_count+0x60/0x80 [ 49.827867] prctl_set_seccomp+0x4e/0x70 [ 49.828689] __do_sys_prctl+0xe6c/0x1d70 [ 49.829458] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.830331] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.831316] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.832303] ? irqentry_exit+0xf3/0x650 [ 49.833086] do_syscall_64+0xbf/0x430 [ 49.833831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.834786] RIP: 0033:0x7fbb799985cd [ 49.835467] 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 [ 49.838718] RSP: 002b:00007ffcc76890a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.840151] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb799985cd [ 49.841471] RDX: 0000564743d13e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.842791] RBP: 00007ffcc7689100 R08: 0000000000000000 R09: 00007ffcc76887a0 [ 49.844112] R10: 0000000000000000 R11: 0000000000000246 R12: 000056477c473ad0 [ 49.845419] R13: 00007ffcc7689530 R14: 000056477c474bc0 R15: 000056477c485780 [ 49.846736] [ 49.847167] irq event stamp: 1857 [ 49.847828] hardirqs last enabled at (1869): [] __up_console_sem+0x78/0x80 [ 49.849285] hardirqs last disabled at (1878): [] __up_console_sem+0x5d/0x80 [ 49.850628] softirqs last enabled at (1578): [] handle_softirqs+0x50c/0x770 [ 49.852008] softirqs last disabled at (1573): [] __irq_exit_rcu+0xc4/0x100 [ 49.853342] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55588' (ECDSA) to the list of known hosts. 2025/11/18 22:26:05 fuzzer started 2025/11/18 22:26:05 dialing manager at localhost:34383 2025/11/18 22:26:06 checking machine... 2025/11/18 22:26:06 checking revisions... [ 50.711532] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:26:06 testing simple program... [ 50.797701] cgroup: Unknown subsys name 'net' [ 50.857595] cgroup: Unknown subsys name 'cpuset' [ 50.875415] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:26:05 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000000 RCX=ffff88800f35f804 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880163e8400 RBP=ffff8880163e8000 RSP=ffff88800f35f810 R8 =0000000000000001 R9 =ffff88800f35f940 R10=000000000003c9ed R11=000000000000453f R12=ffff8880163e8000 R13=ffff88800f35f948 R14=ffff88800f35f998 R15=ffff88800f35f900 RIP=ffffffff815d2bbb 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 00007facad929900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe93153000 CR3=0000000009c6f000 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=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff815d6c40 RDX=ffff888008c4b77f RSI=ffffffff815d6c98 RDI=ffff88806cf31cd0 RBP=ffff88806cf08e58 RSP=ffff88806cf08e00 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=ffffea00002fefc0 R13=ffff88806cf08ee0 R14=ffff88800bfbf378 R15=ffff888008c4b780 RIP=ffffffff81ab643e 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055b93ed9f000 CR3=000000000ce45000 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=36323a323220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000