[ 39.018729] ------------[ cut here ]------------ [ 39.019646] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.022187] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.023638] Modules linked in: [ 39.024275] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.026284] Tainted: [W]=WARN [ 39.026836] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.028329] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.029240] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.032424] RSP: 0018:ffff888017d2fbc0 EFLAGS: 00010286 [ 39.033414] RAX: 0000000000000000 RBX: ffffed1002fa5f78 RCX: ffffffff813a4050 [ 39.034705] RDX: ffff888015db9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.036004] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fa5f2f [ 39.037296] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.038575] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017d2fdf8 [ 39.039884] FS: 00007f4bc15a2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.041313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.042383] CR2: 00007f4bc1a94580 CR3: 000000000bf69000 CR4: 0000000000350ef0 [ 39.043667] Call Trace: [ 39.044179] [ 39.044599] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.045499] ? __create_object+0x59/0x80 [ 39.046292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.047270] __vmalloc_noprof+0x59/0x60 [ 39.048036] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.048921] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.049823] bpf_prog_alloc+0x39/0x200 [ 39.050570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051517] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.052411] do_seccomp+0x349/0x25e0 [ 39.053132] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.054039] ? __pfx_do_seccomp+0x10/0x10 [ 39.054793] ? find_held_lock+0x2b/0x80 [ 39.055570] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.056524] ? static_key_count+0x60/0x80 [ 39.057313] prctl_set_seccomp+0x4e/0x70 [ 39.058108] __do_sys_prctl+0xe6c/0x1d70 [ 39.058847] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.059721] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.060686] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.061657] ? irqentry_exit+0xf3/0x650 [ 39.062433] do_syscall_64+0xbf/0x430 [ 39.063189] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.064140] RIP: 0033:0x7f4bc1a945cd [ 39.064807] 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 [ 39.067972] RSP: 002b:00007ffd4e3cde10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.069339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4bc1a945cd [ 39.070631] RDX: 000055a6ce63be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.071931] RBP: 00007ffd4e3cde70 R08: 0000000000000000 R09: 00007ffd4e3cd510 [ 39.073228] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6d6a02b10 [ 39.074524] R13: 00007ffd4e3ce2a0 R14: 000055a6d6a032b0 R15: 000055a6d6a176f0 [ 39.075829] [ 39.076300] irq event stamp: 1701 [ 39.076939] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 39.078493] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 39.080014] softirqs last enabled at (1224): [] handle_softirqs+0x50c/0x770 [ 39.081555] softirqs last disabled at (1219): [] __irq_exit_rcu+0xc4/0x100 [ 39.083087] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.910912] ------------[ cut here ]------------ [ 41.911687] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.913417] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.914673] Modules linked in: [ 41.915361] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.917061] Tainted: [W]=WARN [ 41.917549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.918826] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.919598] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.922319] RSP: 0018:ffff88801a3bfbc0 EFLAGS: 00010286 [ 41.923163] RAX: 0000000000000000 RBX: ffffed1003477f78 RCX: ffffffff813a4050 [ 41.924263] RDX: ffff888016183780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.925363] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003477f2f [ 41.926470] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.927577] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a3bfdf8 [ 41.928687] FS: 00007f9a4fd14900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.929925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.930802] CR2: 00007f9a50206580 CR3: 000000000df18000 CR4: 0000000000350ef0 [ 41.931906] Call Trace: [ 41.932302] [ 41.932653] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.933426] ? __create_object+0x59/0x80 [ 41.934120] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.934955] __vmalloc_noprof+0x59/0x60 [ 41.935569] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.936313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.937113] bpf_prog_alloc+0x39/0x200 [ 41.937710] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.938517] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.939296] do_seccomp+0x349/0x25e0 [ 41.939984] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.940737] ? __pfx_do_seccomp+0x10/0x10 [ 41.941425] ? find_held_lock+0x2b/0x80 [ 41.942078] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.942887] ? static_key_count+0x60/0x80 [ 41.943534] prctl_set_seccomp+0x4e/0x70 [ 41.944204] __do_sys_prctl+0xe6c/0x1d70 [ 41.944836] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.945573] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.946412] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.947245] ? irqentry_exit+0xf3/0x650 [ 41.947910] do_syscall_64+0xbf/0x430 [ 41.948507] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.949325] RIP: 0033:0x7f9a502065cd [ 41.949931] 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 [ 41.952666] RSP: 002b:00007ffe120f0060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.953833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a502065cd [ 41.954960] RDX: 000055f8f9150e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.956054] RBP: 00007ffe120f00c0 R08: 0000000000000000 R09: 00007ffe120ef760 [ 41.957155] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f91462cad0 [ 41.958267] R13: 00007ffe120f04f0 R14: 000055f91462dbc0 R15: 000055f91463e780 [ 41.959383] [ 41.959748] irq event stamp: 1763 [ 41.960305] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 41.961611] hardirqs last disabled at (1782): [] __up_console_sem+0x5d/0x80 [ 41.962923] softirqs last enabled at (1540): [] handle_softirqs+0x50c/0x770 [ 41.964252] softirqs last disabled at (1529): [] __irq_exit_rcu+0xc4/0x100 [ 41.965562] ---[ end trace 0000000000000000 ]--- [ 42.794146] ------------[ cut here ]------------ [ 42.795106] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.797151] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.798634] Modules linked in: [ 42.799272] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.801246] Tainted: [W]=WARN [ 42.801793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.803269] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.804177] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.807316] RSP: 0018:ffff8880174e7bc0 EFLAGS: 00010286 [ 42.808291] RAX: 0000000000000000 RBX: ffffed1002e9cf78 RCX: ffffffff813a4050 [ 42.809568] RDX: ffff88801ac91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.810881] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e9cf2f [ 42.812172] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.813449] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174e7df8 [ 42.814751] FS: 00007ff44ba46900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.816183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.817247] CR2: 00007ff44bf38580 CR3: 000000000b69b000 CR4: 0000000000350ef0 [ 42.818551] Call Trace: [ 42.819069] [ 42.819482] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.820379] ? __create_object+0x59/0x80 [ 42.821152] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.822133] __vmalloc_noprof+0x59/0x60 [ 42.822854] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.823750] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.824672] bpf_prog_alloc+0x39/0x200 [ 42.825401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.826349] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.827259] do_seccomp+0x349/0x25e0 [ 42.827977] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.828838] ? __pfx_do_seccomp+0x10/0x10 [ 42.829623] ? find_held_lock+0x2b/0x80 [ 42.830411] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.831388] ? static_key_count+0x60/0x80 [ 42.832192] prctl_set_seccomp+0x4e/0x70 [ 42.832971] __do_sys_prctl+0xe6c/0x1d70 [ 42.833712] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.834592] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.835565] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.836674] ? irqentry_exit+0xf3/0x650 [ 42.837444] do_syscall_64+0xbf/0x430 [ 42.838198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.839150] RIP: 0033:0x7ff44bf385cd [ 42.839810] 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 [ 42.842968] RSP: 002b:00007fffecd736b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.844328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff44bf385cd [ 42.845612] RDX: 000055b818c5fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.846917] RBP: 00007fffecd73710 R08: 0000000000000000 R09: 00007fffecd72db0 [ 42.848183] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b84c0a3ad0 [ 42.849478] R13: 00007fffecd73b40 R14: 000055b84c0a4bc0 R15: 000055b84c0b5780 [ 42.850785] [ 42.851263] irq event stamp: 1707 [ 42.851913] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 42.853436] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 42.854969] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.856519] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.858042] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45895' (ECDSA) to the list of known hosts. 2025/11/17 18:17:24 fuzzer started 2025/11/17 18:17:24 dialing manager at localhost:37895 2025/11/17 18:17:24 checking machine... 2025/11/17 18:17:24 checking revisions... [ 43.756855] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:17:24 testing simple program... [ 43.846122] cgroup: Unknown subsys name 'net' [ 43.926210] cgroup: Unknown subsys name 'cpuset' [ 43.947515] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:17:23 Registers: info registers vcpu 0 RAX=0000001cf6207768 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806ce23b00 RDI=000000000004facc RBP=ffff88806ce23b00 RSP=ffff888015d07e20 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000e411f R11=0000000000000001 R12=000000000004facc R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000013 [----A-C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd01bc9f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005620cecf98e8 CR3=000000000a1dd000 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=ffffffffffffffffffffffff000000ff XMM02=00000000000000000000000000000000 XMM03=ff3e6f58edffb5630000000000305da8 XMM04=08b2904a42b59bbb00000000000ae988 XMM05=07c8bb74b6c04a440000000000322260 XMM06=d74844bf967d85ba00000000003220e8 XMM07=e042d86d42eb936e0000000000312ac8 XMM08=7368746150796c6e4f64616552646e69 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000186 RBX=ffff888017f59bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888017f5a640 RDI=ffff888017f5a618 RBP=ffff888017f5a618 RSP=ffff888016af7440 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888017f5a640 R13=b3e1365a875bb4c5 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007f9a4fd14900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9a4fcf3020 CR3=0000000009efb000 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