[ 39.301113] ------------[ cut here ]------------ [ 39.302050] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.304030] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.305451] Modules linked in: [ 39.306063] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.308055] Tainted: [W]=WARN [ 39.308637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.310041] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.310927] 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 [ 39.314024] RSP: 0018:ffff888016077bc0 EFLAGS: 00010286 [ 39.314988] RAX: 0000000000000000 RBX: ffffed1002c0ef78 RCX: ffffffff813a4050 [ 39.316221] RDX: ffff8880160b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.317463] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c0ef2f [ 39.318706] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.319969] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016077df8 [ 39.321198] FS: 00007f36261bd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.322589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.323650] CR2: 00007ffedfdb2ef7 CR3: 000000000d874000 CR4: 0000000000350ef0 [ 39.324892] Call Trace: [ 39.325332] [ 39.325763] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.326626] ? __create_object+0x59/0x80 [ 39.327334] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.328247] __vmalloc_noprof+0x59/0x60 [ 39.328996] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.329833] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.330728] bpf_prog_alloc+0x39/0x200 [ 39.331390] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.332296] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.333167] do_seccomp+0x349/0x25e0 [ 39.333858] ? find_held_lock+0x2b/0x80 [ 39.334586] ? do_prlimit+0x310/0x610 [ 39.335256] ? __pfx_do_seccomp+0x10/0x10 [ 39.336023] ? do_raw_spin_unlock+0x53/0x220 [ 39.336827] ? _raw_spin_unlock+0x1e/0x40 [ 39.337574] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.338460] ? static_key_count+0x60/0x80 [ 39.339244] prctl_set_seccomp+0x4e/0x70 [ 39.339989] __do_sys_prctl+0xe6c/0x1d70 [ 39.340751] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.341571] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.342459] ? irqentry_exit+0xf3/0x650 [ 39.343187] do_syscall_64+0xbf/0x430 [ 39.343892] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.344811] RIP: 0033:0x7f36266af5cd [ 39.345443] 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 [ 39.348587] RSP: 002b:00007ffedfdb0cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.349892] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36266af5cd [ 39.351120] RDX: 00005611a6171e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.352392] RBP: 00007ffedfdb0d50 R08: 0000000000000000 R09: 00007ffedfdb03f0 [ 39.353621] R10: 0000000000000000 R11: 0000000000000246 R12: 00005611cae7e2b0 [ 39.354854] R13: 00007ffedfdb1180 R14: 00005611cae80d20 R15: 00005611cae928d0 [ 39.356112] [ 39.356584] irq event stamp: 2637 [ 39.357163] hardirqs last enabled at (2645): [] __up_console_sem+0x78/0x80 [ 39.358623] hardirqs last disabled at (2654): [] __up_console_sem+0x5d/0x80 [ 39.360121] softirqs last enabled at (2468): [] handle_softirqs+0x50c/0x770 [ 39.361594] softirqs last disabled at (2463): [] __irq_exit_rcu+0xc4/0x100 [ 39.363047] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.650304] ------------[ cut here ]------------ [ 42.651550] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.653695] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.655371] Modules linked in: [ 42.656151] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.658598] Tainted: [W]=WARN [ 42.659209] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.660674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.661713] 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 [ 42.664830] RSP: 0018:ffff888015f37bc0 EFLAGS: 00010286 [ 42.665791] RAX: 0000000000000000 RBX: ffffed1002be6f78 RCX: ffffffff813a4050 [ 42.667169] RDX: ffff88800f283780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.668515] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be6f2f [ 42.669852] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.671520] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f37df8 [ 42.673059] FS: 00007f2d3e3d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.674623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.675740] CR2: 00007f2d3e8c4580 CR3: 000000000e78e000 CR4: 0000000000350ef0 [ 42.677052] Call Trace: [ 42.677568] [ 42.677981] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.679038] ? __create_object+0x59/0x80 [ 42.680001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.680985] __vmalloc_noprof+0x59/0x60 [ 42.681734] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.682757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.683692] bpf_prog_alloc+0x39/0x200 [ 42.684400] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.685335] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.686254] do_seccomp+0x349/0x25e0 [ 42.687173] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.688253] ? __pfx_do_seccomp+0x10/0x10 [ 42.689073] ? find_held_lock+0x2b/0x80 [ 42.690000] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.690967] ? static_key_count+0x60/0x80 [ 42.691778] prctl_set_seccomp+0x4e/0x70 [ 42.692577] __do_sys_prctl+0xe6c/0x1d70 [ 42.693329] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.694371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.695353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.696515] ? irqentry_exit+0xf3/0x650 [ 42.697288] do_syscall_64+0xbf/0x430 [ 42.698082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.699156] RIP: 0033:0x7f2d3e8c45cd [ 42.699881] 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 [ 42.703181] RSP: 002b:00007fff665f6350 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.704578] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d3e8c45cd [ 42.705842] RDX: 00005602e872ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.707128] RBP: 00007fff665f63b0 R08: 0000000000000000 R09: 00007fff665f5a50 [ 42.708433] R10: 0000000000000000 R11: 0000000000000246 R12: 00005603171852b0 [ 42.709691] R13: 00007fff665f67e0 R14: 0000560317187d20 R15: 00005603171998d0 [ 42.710975] [ 42.711396] irq event stamp: 1827 [ 42.712046] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 42.713548] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 42.715286] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 42.716824] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 42.718307] ---[ end trace 0000000000000000 ]--- [ 43.545276] ------------[ cut here ]------------ [ 43.546214] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.548280] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.549733] Modules linked in: [ 43.550320] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.552282] Tainted: [W]=WARN [ 43.552894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.554348] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.555250] 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 [ 43.558384] RSP: 0018:ffff8880168bfbc0 EFLAGS: 00010286 [ 43.559343] RAX: 0000000000000000 RBX: ffffed1002d17f78 RCX: ffffffff813a4050 [ 43.560613] RDX: ffff88801acb0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.561862] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d17f2f [ 43.563120] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.564366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168bfdf8 [ 43.565637] FS: 00007f37dde9f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.567039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.568082] CR2: 00007ffea387cef7 CR3: 000000000e1e6000 CR4: 0000000000350ef0 [ 43.569340] Call Trace: [ 43.569820] [ 43.570223] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.571115] ? __create_object+0x59/0x80 [ 43.571918] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.572897] __vmalloc_noprof+0x59/0x60 [ 43.573641] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.574450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.575368] bpf_prog_alloc+0x39/0x200 [ 43.576100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.577040] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.577933] do_seccomp+0x349/0x25e0 [ 43.578636] ? find_held_lock+0x2b/0x80 [ 43.579342] ? do_prlimit+0x310/0x610 [ 43.580069] ? __pfx_do_seccomp+0x10/0x10 [ 43.580853] ? do_raw_spin_unlock+0x53/0x220 [ 43.581670] ? _raw_spin_unlock+0x1e/0x40 [ 43.582400] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.583342] ? static_key_count+0x60/0x80 [ 43.584134] prctl_set_seccomp+0x4e/0x70 [ 43.584918] __do_sys_prctl+0xe6c/0x1d70 [ 43.585696] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.586542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.587452] ? irqentry_exit+0xf3/0x650 [ 43.588226] do_syscall_64+0xbf/0x430 [ 43.588962] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.589913] RIP: 0033:0x7f37de3915cd [ 43.590597] 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 [ 43.593699] RSP: 002b:00007ffea387b6a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.594830] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37de3915cd [ 43.595889] RDX: 00005644159eae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.596969] RBP: 00007ffea387b700 R08: 0000000000000000 R09: 00007ffea387ada0 [ 43.598031] R10: 0000000000000000 R11: 0000000000000246 R12: 00005644358cead0 [ 43.599095] R13: 00007ffea387bb30 R14: 00005644358cfbc0 R15: 00005644358e0780 [ 43.600184] [ 43.600582] irq event stamp: 1721 [ 43.601087] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 43.602363] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 43.603624] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 43.604906] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 43.606144] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63175' (ECDSA) to the list of known hosts. 2025/11/17 13:48:07 fuzzer started 2025/11/17 13:48:07 dialing manager at localhost:37895 2025/11/17 13:48:07 checking machine... 2025/11/17 13:48:07 checking revisions... [ 44.527025] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:48:07 testing simple program... [ 44.613674] cgroup: Unknown subsys name 'net' [ 44.684317] cgroup: Unknown subsys name 'cpuset' [ 44.697030] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:48:06 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888019b47628 RCX=0000000000000001 RDX=1ffff11003368ec6 RSI=ffff888019b475f8 RDI=ffff888019b47630 RBP=ffff888019b475f8 RSP=ffff888019b47530 R8 =0000000000000001 R9 =ffff888019b47668 R10=000000000003c9ed R11=0000000000006e2e R12=0000000000000008 R13=ffff888019b47670 R14=ffff888019b475f8 R15=ffff888019b47628 RIP=ffffffff8135e265 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 00007f2d3e3d2900 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=00007fff665f0000 CR3=000000000c2d0000 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=0000000000025a17 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbff5f65000 CR3=000000000c084000 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=8f0896da7d1dbaa73e421bb2df6e684c XMM02=0000000000303638ec2efd57dc4c00df XMM03=000000000030eb703953c9720bba89e4 XMM04=c23d41cbd154ac6500000000000ae988 XMM05=368e2ffa425ff9e9000000000031f6f8 XMM06=5b75c91c80445342000000000031f0f0 XMM07=e042d86d42eb936e000000000030ee48 XMM08=3953c9720bba89e40000000000303698 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000