[ 39.065506] ------------[ cut here ]------------ [ 39.066437] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.068445] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.069897] Modules linked in: [ 39.070495] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.072510] Tainted: [W]=WARN [ 39.073119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.074841] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.075829] 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 [ 39.079069] RSP: 0018:ffff888018787bc0 EFLAGS: 00010286 [ 39.080058] RAX: 0000000000000000 RBX: ffffed10030f0f78 RCX: ffffffff813a4050 [ 39.081382] RDX: ffff888018cad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.082670] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f0f2f [ 39.083951] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.085266] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018787df8 [ 39.086571] FS: 00007f56f5d62900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.088016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.089083] CR2: 00007f56f6254580 CR3: 000000001644a000 CR4: 0000000000350ef0 [ 39.090364] Call Trace: [ 39.090826] [ 39.091285] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.092183] ? __create_object+0x59/0x80 [ 39.092966] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.093959] __vmalloc_noprof+0x59/0x60 [ 39.094684] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.095907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.096817] bpf_prog_alloc+0x39/0x200 [ 39.097576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.098500] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.099411] do_seccomp+0x349/0x25e0 [ 39.100140] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.101069] ? __pfx_do_seccomp+0x10/0x10 [ 39.101824] ? find_held_lock+0x2b/0x80 [ 39.102593] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.103556] ? static_key_count+0x60/0x80 [ 39.104369] prctl_set_seccomp+0x4e/0x70 [ 39.105160] __do_sys_prctl+0xe6c/0x1d70 [ 39.105970] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.106792] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.107761] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.108750] ? irqentry_exit+0xf3/0x650 [ 39.109532] do_syscall_64+0xbf/0x430 [ 39.110283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.111247] RIP: 0033:0x7f56f62545cd [ 39.111950] 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 [ 39.115140] RSP: 002b:00007ffc5f9ba9b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.116518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56f62545cd [ 39.117829] RDX: 0000559693eaae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.119131] RBP: 00007ffc5f9baa10 R08: 0000000000000000 R09: 00007ffc5f9ba0b0 [ 39.120413] R10: 0000000000000000 R11: 0000000000000246 R12: 00005596b64f1bf0 [ 39.121655] R13: 00007ffc5f9bae40 R14: 00005596b64fb380 R15: 00005596b6506460 [ 39.122496] [ 39.122769] irq event stamp: 1881 [ 39.123194] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 39.124187] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 39.125173] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 39.126114] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 39.127014] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.761413] ------------[ cut here ]------------ [ 41.762359] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.764417] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.765943] Modules linked in: [ 41.766557] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.768832] Tainted: [W]=WARN [ 41.769726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.771251] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.772192] 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 [ 41.775447] RSP: 0018:ffff888018e2fbc0 EFLAGS: 00010286 [ 41.776449] RAX: 0000000000000000 RBX: ffffed10031c5f78 RCX: ffffffff813a4050 [ 41.777785] RDX: ffff888016718000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.779098] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031c5f2f [ 41.780417] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.781752] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018e2fdf8 [ 41.783061] FS: 00007f32ac8ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.784516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.785614] CR2: 00007ffc9cda9ef7 CR3: 000000000d22c000 CR4: 0000000000350ef0 [ 41.786944] Call Trace: [ 41.787419] [ 41.787833] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.788745] ? __create_object+0x59/0x80 [ 41.789575] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.790572] __vmalloc_noprof+0x59/0x60 [ 41.791348] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.792248] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.793222] bpf_prog_alloc+0x39/0x200 [ 41.793986] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.794942] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.795827] do_seccomp+0x349/0x25e0 [ 41.796565] ? find_held_lock+0x2b/0x80 [ 41.797364] ? do_prlimit+0x310/0x610 [ 41.798134] ? __pfx_do_seccomp+0x10/0x10 [ 41.798947] ? do_raw_spin_unlock+0x53/0x220 [ 41.799754] ? _raw_spin_unlock+0x1e/0x40 [ 41.800560] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.801567] ? static_key_count+0x60/0x80 [ 41.802397] prctl_set_seccomp+0x4e/0x70 [ 41.803195] __do_sys_prctl+0xe6c/0x1d70 [ 41.804005] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.804837] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.805842] ? irqentry_exit+0xf3/0x650 [ 41.806654] do_syscall_64+0xbf/0x430 [ 41.807419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.808401] RIP: 0033:0x7f32acdf15cd [ 41.809131] 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 [ 41.812381] RSP: 002b:00007ffc9cda73c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.813798] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32acdf15cd [ 41.815117] RDX: 000055747342de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.816427] RBP: 00007ffc9cda7420 R08: 0000000000000000 R09: 00007ffc9cda6ac0 [ 41.817759] R10: 0000000000000000 R11: 0000000000000246 R12: 000055749bb19b10 [ 41.819078] R13: 00007ffc9cda7850 R14: 000055749bb1a2b0 R15: 000055749bb2e6f0 [ 41.820414] [ 41.820847] irq event stamp: 1903 [ 41.821514] hardirqs last enabled at (1913): [] __up_console_sem+0x78/0x80 [ 41.822519] hardirqs last disabled at (1922): [] __up_console_sem+0x5d/0x80 [ 41.823505] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 41.824513] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 41.825518] ---[ end trace 0000000000000000 ]--- [ 42.510940] ------------[ cut here ]------------ [ 42.511787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.513765] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.515208] Modules linked in: [ 42.515788] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.519203] Tainted: [W]=WARN [ 42.519752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.521298] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.522203] 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 [ 42.525334] RSP: 0018:ffff888018d6fbc0 EFLAGS: 00010286 [ 42.526303] RAX: 0000000000000000 RBX: ffffed10031adf78 RCX: ffffffff813a4050 [ 42.527565] RDX: ffff88800b2a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.528827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031adf2f [ 42.530096] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.531352] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d6fdf8 [ 42.532622] FS: 00007f4536126900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.534051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.535100] CR2: 00007f4536618580 CR3: 000000002023a000 CR4: 0000000000350ef0 [ 42.536370] Call Trace: [ 42.536845] [ 42.537330] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.538257] ? __create_object+0x59/0x80 [ 42.539058] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.540062] __vmalloc_noprof+0x59/0x60 [ 42.540791] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.541700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.542677] bpf_prog_alloc+0x39/0x200 [ 42.543446] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.544414] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.545366] do_seccomp+0x349/0x25e0 [ 42.546117] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.547052] ? __pfx_do_seccomp+0x10/0x10 [ 42.547817] ? find_held_lock+0x2b/0x80 [ 42.548594] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.549600] ? static_key_count+0x60/0x80 [ 42.550434] prctl_set_seccomp+0x4e/0x70 [ 42.551245] __do_sys_prctl+0xe6c/0x1d70 [ 42.552065] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.552955] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.553978] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.554983] ? irqentry_exit+0xf3/0x650 [ 42.555728] do_syscall_64+0xbf/0x430 [ 42.556491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.557482] RIP: 0033:0x7f45366185cd [ 42.558217] 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 [ 42.561529] RSP: 002b:00007ffd9b47bbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.562947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45366185cd [ 42.564278] RDX: 00005589537c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.565608] RBP: 00007ffd9b47bc10 R08: 0000000000000000 R09: 00007ffd9b47b2b0 [ 42.566947] R10: 0000000000000000 R11: 0000000000000246 R12: 000055897f792bf0 [ 42.568273] R13: 00007ffd9b47c040 R14: 000055897f79c380 R15: 000055897f7a7460 [ 42.569615] [ 42.570077] irq event stamp: 2069 [ 42.570685] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 42.572214] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 42.573762] softirqs last enabled at (1932): [] handle_softirqs+0x50c/0x770 [ 42.574830] softirqs last disabled at (1927): [] __irq_exit_rcu+0xc4/0x100 [ 42.575796] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:49903' (ECDSA) to the list of known hosts. 2025/11/18 18:02:22 fuzzer started 2025/11/18 18:02:22 dialing manager at localhost:34383 2025/11/18 18:02:22 checking machine... 2025/11/18 18:02:22 checking revisions... [ 43.488705] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:02:22 testing simple program... [ 43.568840] cgroup: Unknown subsys name 'net' [ 43.637153] cgroup: Unknown subsys name 'cpuset' [ 43.654418] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:02:21 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff885ac820 RCX=ffff88801a53f508 RDX=ffffffffffffffff RSI=ffffffff81b16aef RDI=00000000000d28c0 RBP=ffffffff885ac820 RSP=ffff88801a53f498 R8 =0000000000000000 R9 =dffffc0000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801a53f508 R13=ffffffffffffffff R14=00000000000d28c0 R15=0000000000000000 RIP=ffffffff81751e08 RFL=00000286 [--S--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 00007f32ac8ff900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa43e5b9038 CR3=00000000203af000 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=0000000000020b71 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=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 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc9cda1000 CR3=000000000dd32000 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=2031323a32303a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031323a32303a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000