[ 39.136354] ------------[ cut here ]------------ [ 39.137276] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.139354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.140825] Modules linked in: [ 39.141447] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.143672] Tainted: [W]=WARN [ 39.144344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.145847] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.146759] 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 [ 39.149967] RSP: 0018:ffff888009a37bc0 EFLAGS: 00010286 [ 39.151187] RAX: 0000000000000000 RBX: ffffed1001346f78 RCX: ffffffff813a4050 [ 39.152489] RDX: ffff88801a4a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.153804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001346f2f [ 39.155101] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.156383] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009a37df8 [ 39.157721] FS: 00007f9c2844e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.159162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.160222] CR2: 00007ffcfa1ecef7 CR3: 000000000d6a2000 CR4: 0000000000350ef0 [ 39.161541] Call Trace: [ 39.162050] [ 39.162467] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.163367] ? __create_object+0x59/0x80 [ 39.164158] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.165147] __vmalloc_noprof+0x59/0x60 [ 39.165912] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.166809] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.167756] bpf_prog_alloc+0x39/0x200 [ 39.168473] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.169417] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.170349] do_seccomp+0x349/0x25e0 [ 39.171081] ? find_held_lock+0x2b/0x80 [ 39.171819] ? do_prlimit+0x310/0x610 [ 39.172514] ? __pfx_do_seccomp+0x10/0x10 [ 39.173332] ? do_raw_spin_unlock+0x53/0x220 [ 39.174189] ? _raw_spin_unlock+0x1e/0x40 [ 39.174974] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.175950] ? static_key_count+0x60/0x80 [ 39.176767] prctl_set_seccomp+0x4e/0x70 [ 39.177517] __do_sys_prctl+0xe6c/0x1d70 [ 39.178330] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.179205] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.180194] ? irqentry_exit+0xf3/0x650 [ 39.180971] do_syscall_64+0xbf/0x430 [ 39.181730] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.182656] RIP: 0033:0x7f9c289405cd [ 39.183386] 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 [ 39.186579] RSP: 002b:00007ffcfa1eab10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.187952] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c289405cd [ 39.189239] RDX: 0000562e7e16fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.190537] RBP: 00007ffcfa1eab70 R08: 0000000000000000 R09: 00007ffcfa1ea210 [ 39.191847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562ea1edbad0 [ 39.193148] R13: 00007ffcfa1eafa0 R14: 0000562ea1edcbc0 R15: 0000562ea1eed780 [ 39.194464] [ 39.195341] irq event stamp: 1785 [ 39.196018] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.197563] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.199120] softirqs last enabled at (1320): [] handle_softirqs+0x50c/0x770 [ 39.200663] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 39.202108] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.620895] ------------[ cut here ]------------ [ 42.621859] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.623937] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.625647] Modules linked in: [ 42.626363] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.628358] Tainted: [W]=WARN [ 42.628959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.630448] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.631360] 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 [ 42.634518] RSP: 0018:ffff8880171a7bc0 EFLAGS: 00010286 [ 42.635502] RAX: 0000000000000000 RBX: ffffed1002e34f78 RCX: ffffffff813a4050 [ 42.636801] RDX: ffff888015c71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.638088] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e34f2f [ 42.639373] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.640667] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171a7df8 [ 42.641983] FS: 00007fb9409a6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.643415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.644484] CR2: 00007fb940e98580 CR3: 000000001df2b000 CR4: 0000000000350ef0 [ 42.645818] Call Trace: [ 42.646297] [ 42.646768] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.647638] ? __create_object+0x59/0x80 [ 42.648435] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.649438] __vmalloc_noprof+0x59/0x60 [ 42.650219] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.651125] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.652048] bpf_prog_alloc+0x39/0x200 [ 42.652780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.653664] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.654565] do_seccomp+0x349/0x25e0 [ 42.655276] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.656193] ? __pfx_do_seccomp+0x10/0x10 [ 42.656989] ? find_held_lock+0x2b/0x80 [ 42.657779] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.658754] ? static_key_count+0x60/0x80 [ 42.659494] prctl_set_seccomp+0x4e/0x70 [ 42.660269] __do_sys_prctl+0xe6c/0x1d70 [ 42.661043] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.661913] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.662879] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.663842] ? irqentry_exit+0xf3/0x650 [ 42.664556] do_syscall_64+0xbf/0x430 [ 42.665308] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.666308] RIP: 0033:0x7fb940e985cd [ 42.667009] 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 [ 42.670176] RSP: 002b:00007ffd9a087160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.671535] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb940e985cd [ 42.672792] RDX: 000055c4fb65be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.674088] RBP: 00007ffd9a0871c0 R08: 0000000000000000 R09: 00007ffd9a086860 [ 42.675367] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5270352b0 [ 42.676643] R13: 00007ffd9a0875f0 R14: 000055c527037d20 R15: 000055c5270498d0 [ 42.677941] [ 42.678360] irq event stamp: 1811 [ 42.679005] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 42.680511] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 42.682102] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.683651] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.685197] ---[ end trace 0000000000000000 ]--- [ 43.461464] ------------[ cut here ]------------ [ 43.462402] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.464428] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.465907] Modules linked in: [ 43.466501] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.468655] Tainted: [W]=WARN [ 43.469272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.470764] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.471635] 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 [ 43.474857] RSP: 0018:ffff8880161afbc0 EFLAGS: 00010286 [ 43.475854] RAX: 0000000000000000 RBX: ffffed1002c35f78 RCX: ffffffff813a4050 [ 43.477167] RDX: ffff88801718d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.478479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c35f2f [ 43.479785] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.481057] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161afdf8 [ 43.482357] FS: 00007f8dd2027900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.483806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.484883] CR2: 00007fffa3163ef7 CR3: 000000001a57c000 CR4: 0000000000350ef0 [ 43.486198] Call Trace: [ 43.486660] [ 43.487120] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.488030] ? __create_object+0x59/0x80 [ 43.488815] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.489809] __vmalloc_noprof+0x59/0x60 [ 43.490519] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.491397] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.492347] bpf_prog_alloc+0x39/0x200 [ 43.493079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.494028] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.494931] do_seccomp+0x349/0x25e0 [ 43.495596] ? find_held_lock+0x2b/0x80 [ 43.496357] ? do_prlimit+0x310/0x610 [ 43.497081] ? __pfx_do_seccomp+0x10/0x10 [ 43.497879] ? do_raw_spin_unlock+0x53/0x220 [ 43.498662] ? _raw_spin_unlock+0x1e/0x40 [ 43.499444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.500399] ? static_key_count+0x60/0x80 [ 43.501215] prctl_set_seccomp+0x4e/0x70 [ 43.501992] __do_sys_prctl+0xe6c/0x1d70 [ 43.502771] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.503568] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.504524] ? irqentry_exit+0xf3/0x650 [ 43.505288] do_syscall_64+0xbf/0x430 [ 43.506045] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.507000] RIP: 0033:0x7f8dd25195cd [ 43.507652] 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 [ 43.510834] RSP: 002b:00007fffa3162800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.512180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8dd25195cd [ 43.513479] RDX: 000055c43f677e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.514748] RBP: 00007fffa3162860 R08: 0000000000000000 R09: 00007fffa3161f00 [ 43.516022] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c4539562b0 [ 43.517290] R13: 00007fffa3162c90 R14: 000055c453958d20 R15: 000055c45396a8d0 [ 43.518600] [ 43.519073] irq event stamp: 1737 [ 43.519670] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 43.521207] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 43.522743] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 43.524286] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 43.525829] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2409' (ECDSA) to the list of known hosts. 2025/11/18 13:01:12 fuzzer started 2025/11/18 13:01:12 dialing manager at localhost:34383 2025/11/18 13:01:12 checking machine... 2025/11/18 13:01:12 checking revisions... [ 44.495328] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:01:12 testing simple program... [ 44.579621] cgroup: Unknown subsys name 'net' [ 44.639615] cgroup: Unknown subsys name 'cpuset' [ 44.653131] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:01:11 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=00000000000002f1 RCX=1ffff11001e2e431 RDX=1ffff110025409fa RSI=ffffffff822ec865 RDI=ffff88800dbe7bdc RBP=ffff88800dbe7bd8 RSP=ffff88800dbe7a40 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000008000 R11=0000000000000001 R12=ffff888012a04fd0 R13=0000000000007fff R14=00000000000002f1 R15=0000000000000031 RIP=ffffffff822ec9da 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 00007fb9409a6900 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=00007fb940f5e0b0 CR3=0000000016b69000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000234b1 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb94095a01c CR3=000000000de96000 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=2031313a31303a333120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031313a31303a3331203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000