[ 39.396381] ------------[ cut here ]------------ [ 39.397310] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.399304] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.400779] Modules linked in: [ 39.401448] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.403453] Tainted: [W]=WARN [ 39.404015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.405520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.406429] 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 [ 39.409613] RSP: 0018:ffff88800f737bc0 EFLAGS: 00010286 [ 39.410588] RAX: 0000000000000000 RBX: ffffed1001ee6f78 RCX: ffffffff813a4050 [ 39.411867] RDX: ffff8880157d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.413158] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ee6f2f [ 39.414439] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.415708] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f737df8 [ 39.416990] FS: 00007f9235a24900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.418440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.419500] CR2: 00007f9235f16580 CR3: 000000000f85e000 CR4: 0000000000350ef0 [ 39.420775] Call Trace: [ 39.421295] [ 39.421710] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.422604] ? __create_object+0x59/0x80 [ 39.423384] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.424348] __vmalloc_noprof+0x59/0x60 [ 39.425127] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.426016] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.426964] bpf_prog_alloc+0x39/0x200 [ 39.427700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.428632] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.429571] do_seccomp+0x349/0x25e0 [ 39.430292] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.431194] ? __pfx_do_seccomp+0x10/0x10 [ 39.431929] ? find_held_lock+0x2b/0x80 [ 39.432686] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.433652] ? static_key_count+0x60/0x80 [ 39.434459] prctl_set_seccomp+0x4e/0x70 [ 39.435248] __do_sys_prctl+0xe6c/0x1d70 [ 39.435997] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.436852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.437818] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.438792] ? irqentry_exit+0xf3/0x650 [ 39.439559] do_syscall_64+0xbf/0x430 [ 39.440302] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.441262] RIP: 0033:0x7f9235f165cd [ 39.441924] 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 [ 39.445083] RSP: 002b:00007ffe602665d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.446463] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9235f165cd [ 39.447739] RDX: 0000560982b0de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.449015] RBP: 00007ffe60266630 R08: 0000000000000000 R09: 00007ffe60265cd0 [ 39.450339] R10: 0000000000000000 R11: 0000000000000246 R12: 000056099eaaead0 [ 39.451622] R13: 00007ffe60266a60 R14: 000056099eaafbc0 R15: 000056099eac0780 [ 39.452932] [ 39.453460] irq event stamp: 3143 [ 39.454119] hardirqs last enabled at (3153): [] __up_console_sem+0x78/0x80 [ 39.455651] hardirqs last disabled at (3162): [] __up_console_sem+0x5d/0x80 [ 39.457309] softirqs last enabled at (3140): [] handle_softirqs+0x50c/0x770 [ 39.458841] softirqs last disabled at (3129): [] __irq_exit_rcu+0xc4/0x100 [ 39.460368] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.474199] ------------[ cut here ]------------ [ 42.475160] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.477188] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.478648] Modules linked in: [ 42.479298] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.481346] Tainted: [W]=WARN [ 42.481915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.483418] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.484354] 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 [ 42.487619] RSP: 0018:ffff888016397bc0 EFLAGS: 00010286 [ 42.488623] RAX: 0000000000000000 RBX: ffffed1002c72f78 RCX: ffffffff813a4050 [ 42.489946] RDX: ffff8880157d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.491261] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c72f2f [ 42.492579] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.493902] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016397df8 [ 42.495218] FS: 00007fb546d08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.496694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.497811] CR2: 00007fff0c342ef7 CR3: 000000001f915000 CR4: 0000000000350ef0 [ 42.499132] Call Trace: [ 42.499608] [ 42.500023] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.500946] ? __create_object+0x59/0x80 [ 42.501756] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.502747] __vmalloc_noprof+0x59/0x60 [ 42.503526] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.504419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.505388] bpf_prog_alloc+0x39/0x200 [ 42.506148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.507101] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.507981] do_seccomp+0x349/0x25e0 [ 42.508715] ? find_held_lock+0x2b/0x80 [ 42.509504] ? do_prlimit+0x310/0x610 [ 42.510265] ? __pfx_do_seccomp+0x10/0x10 [ 42.511025] ? do_raw_spin_unlock+0x53/0x220 [ 42.511888] ? _raw_spin_unlock+0x1e/0x40 [ 42.512685] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.513685] ? static_key_count+0x60/0x80 [ 42.514504] prctl_set_seccomp+0x4e/0x70 [ 42.515297] __do_sys_prctl+0xe6c/0x1d70 [ 42.516102] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.516934] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.517953] ? irqentry_exit+0xf3/0x650 [ 42.518735] do_syscall_64+0xbf/0x430 [ 42.519491] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.520465] RIP: 0033:0x7fb5471fa5cd [ 42.521198] 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 [ 42.524459] RSP: 002b:00007fff0c341c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.525875] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5471fa5cd [ 42.527194] RDX: 000055f691f4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.528503] RBP: 00007fff0c341c70 R08: 0000000000000000 R09: 00007fff0c341310 [ 42.529829] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6b6212bf0 [ 42.531142] R13: 00007fff0c3420a0 R14: 000055f6b621c380 R15: 000055f6b6227460 [ 42.532471] [ 42.532904] irq event stamp: 1717 [ 42.533580] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.535136] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 42.536696] softirqs last enabled at (1590): [] handle_softirqs+0x50c/0x770 [ 42.538274] softirqs last disabled at (1575): [] __irq_exit_rcu+0xc4/0x100 [ 42.539576] ---[ end trace 0000000000000000 ]--- [ 43.305957] ------------[ cut here ]------------ [ 43.306906] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.309016] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.310534] Modules linked in: [ 43.311186] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.313204] Tainted: [W]=WARN [ 43.313762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.315216] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.316139] 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 [ 43.319342] RSP: 0018:ffff88800dd9fbc0 EFLAGS: 00010286 [ 43.320334] RAX: 0000000000000000 RBX: ffffed1001bb3f78 RCX: ffffffff813a4050 [ 43.321635] RDX: ffff888015160000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.322927] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bb3f2f [ 43.324213] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.325520] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dd9fdf8 [ 43.326820] FS: 00007f9debfd0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.328273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.329359] CR2: 00007ffc1de7bef7 CR3: 000000001fac1000 CR4: 0000000000350ef0 [ 43.330662] Call Trace: [ 43.331179] [ 43.331588] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.332491] ? __create_object+0x59/0x80 [ 43.333284] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.334283] __vmalloc_noprof+0x59/0x60 [ 43.335004] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.335897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.336831] bpf_prog_alloc+0x39/0x200 [ 43.337598] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.338546] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.339446] do_seccomp+0x349/0x25e0 [ 43.340164] ? find_held_lock+0x2b/0x80 [ 43.340877] ? do_prlimit+0x310/0x610 [ 43.341618] ? __pfx_do_seccomp+0x10/0x10 [ 43.342395] ? do_raw_spin_unlock+0x53/0x220 [ 43.343212] ? _raw_spin_unlock+0x1e/0x40 [ 43.343942] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.344906] ? static_key_count+0x60/0x80 [ 43.345702] prctl_set_seccomp+0x4e/0x70 [ 43.346477] __do_sys_prctl+0xe6c/0x1d70 [ 43.347263] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.348110] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.349025] ? irqentry_exit+0xf3/0x650 [ 43.349793] do_syscall_64+0xbf/0x430 [ 43.350538] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.351479] RIP: 0033:0x7f9dec4c25cd [ 43.352181] 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 [ 43.355322] RSP: 002b:00007ffc1de7aa10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.356667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9dec4c25cd [ 43.358078] RDX: 00005606f9119e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.359366] RBP: 00007ffc1de7aa70 R08: 0000000000000000 R09: 00007ffc1de7a110 [ 43.360644] R10: 0000000000000000 R11: 0000000000000246 R12: 000056070cc8c2b0 [ 43.361947] R13: 00007ffc1de7aea0 R14: 000056070cc8ed20 R15: 000056070cca08d0 [ 43.363237] [ 43.363655] irq event stamp: 1747 [ 43.364298] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 43.365816] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 43.367319] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 43.368847] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 43.370353] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4910' (ECDSA) to the list of known hosts. 2025/11/18 12:45:54 fuzzer started 2025/11/18 12:45:54 dialing manager at localhost:34383 2025/11/18 12:45:54 checking machine... 2025/11/18 12:45:54 checking revisions... [ 44.279144] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:45:54 testing simple program... [ 44.361660] cgroup: Unknown subsys name 'net' [ 44.416700] cgroup: Unknown subsys name 'cpuset' [ 44.430350] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:45:53 Registers: info registers vcpu 0 RAX=ffff88801545f701 RBX=ffff88801545f7a0 RCX=0000000000000001 RDX=ffff888015460001 RSI=ffff88801545f770 RDI=ffff88801545f7b0 RBP=ffff888015458000 RSP=ffff88801545f6e0 R8 =0000000000000001 R9 =ffff88801545f7e0 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88801545f801 R13=ffff88801545f7e8 R14=ffff88801545f770 R15=ffff88801545f7a0 RIP=ffffffff8135fbfc RFL=00000206 [-----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 00007fa98cd35900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056538605e668 CR3=000000000d136000 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=0000000000ff000000ff000000000000 XMM02=0000000000ff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=636f72702f0029786c25783020726f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffff11002a1dd68 RBX=ffff8880150eeb40 RCX=0000000000000001 RDX=ffff888016f11bc0 RSI=ffffffff816e16cb RDI=ffff8880150eeb40 RBP=0000000000000001 RSP=ffff88800f737d20 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=1ffff11001ee6fa6 R13=ffff8880150eeb48 R14=0000000000000000 R15=ffff88801650a000 RIP=ffffffff816e16e4 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fb546d08900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb5472c13ec CR3=0000000009e19000 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=6720646572637465733a4d41503d706f 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