[ 39.334992] ------------[ cut here ]------------ [ 39.335736] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.337399] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.338627] Modules linked in: [ 39.339153] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.340809] Tainted: [W]=WARN [ 39.341301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.342533] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.343302] 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 [ 39.345934] RSP: 0018:ffff888017b87bc0 EFLAGS: 00010286 [ 39.346701] RAX: 0000000000000000 RBX: ffffed1002f70f78 RCX: ffffffff813a4050 [ 39.347758] RDX: ffff888016cad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.348830] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f70f2f [ 39.349904] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.350983] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b87df8 [ 39.352091] FS: 00007f9985b72900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.353284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.354172] CR2: 00007f9986064580 CR3: 000000000da36000 CR4: 0000000000350ef0 [ 39.355230] Call Trace: [ 39.355616] [ 39.355999] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.356717] ? __create_object+0x59/0x80 [ 39.357366] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.358170] __vmalloc_noprof+0x59/0x60 [ 39.358757] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.359474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.360266] bpf_prog_alloc+0x39/0x200 [ 39.360856] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.361672] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.362457] do_seccomp+0x349/0x25e0 [ 39.363075] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.363819] ? __pfx_do_seccomp+0x10/0x10 [ 39.364540] ? find_held_lock+0x2b/0x80 [ 39.365184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.366005] ? static_key_count+0x60/0x80 [ 39.366651] prctl_set_seccomp+0x4e/0x70 [ 39.367320] __do_sys_prctl+0xe6c/0x1d70 [ 39.367991] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.368695] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.369536] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.370374] ? irqentry_exit+0xf3/0x650 [ 39.371041] do_syscall_64+0xbf/0x430 [ 39.371643] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.372483] RIP: 0033:0x7f99860645cd [ 39.373091] 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 [ 39.375839] RSP: 002b:00007ffdba09d630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.377036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99860645cd [ 39.378135] RDX: 000055c07625ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.379231] RBP: 00007ffdba09d690 R08: 0000000000000000 R09: 00007ffdba09cd30 [ 39.380353] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0863dcad0 [ 39.381454] R13: 00007ffdba09dac0 R14: 000055c0863ddbc0 R15: 000055c0863ee780 [ 39.382556] [ 39.382938] irq event stamp: 1737 [ 39.383437] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.384713] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 39.385971] softirqs last enabled at (1352): [] handle_softirqs+0x50c/0x770 [ 39.387250] softirqs last disabled at (1347): [] __irq_exit_rcu+0xc4/0x100 [ 39.388541] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.451864] ------------[ cut here ]------------ [ 42.452794] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.454764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 42.456425] Modules linked in: [ 42.457124] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.459100] Tainted: [W]=WARN [ 42.459647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.461123] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.462033] 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 [ 42.465190] RSP: 0018:ffff88801798fbc0 EFLAGS: 00010286 [ 42.466164] RAX: 0000000000000000 RBX: ffffed1002f31f78 RCX: ffffffff813a4050 [ 42.467435] RDX: ffff888019c71bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.468700] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f31f2f [ 42.469975] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.471250] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801798fdf8 [ 42.472537] FS: 00007f2f8cf08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.473969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.475016] CR2: 00007ffcce77aef8 CR3: 000000001f246000 CR4: 0000000000350ef0 [ 42.476303] Call Trace: [ 42.476763] [ 42.477204] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.478090] ? __create_object+0x59/0x80 [ 42.478814] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.479763] __vmalloc_noprof+0x59/0x60 [ 42.480533] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.481399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.482316] bpf_prog_alloc+0x39/0x200 [ 42.483058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483992] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.484851] do_seccomp+0x349/0x25e0 [ 42.485576] ? find_held_lock+0x2b/0x80 [ 42.486332] ? do_prlimit+0x310/0x610 [ 42.487072] ? __pfx_do_seccomp+0x10/0x10 [ 42.487808] ? do_raw_spin_unlock+0x53/0x220 [ 42.488644] ? _raw_spin_unlock+0x1e/0x40 [ 42.489417] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.490373] ? static_key_count+0x60/0x80 [ 42.491169] prctl_set_seccomp+0x4e/0x70 [ 42.491929] __do_sys_prctl+0xe6c/0x1d70 [ 42.492667] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.493521] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.494480] ? irqentry_exit+0xf3/0x650 [ 42.495248] do_syscall_64+0xbf/0x430 [ 42.495985] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.496947] RIP: 0033:0x7f2f8d3fa5cd [ 42.497600] 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 [ 42.500760] RSP: 002b:00007ffcce779c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.502107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f8d3fa5cd [ 42.503383] RDX: 0000560c999fce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.504670] RBP: 00007ffcce779cb0 R08: 0000000000000000 R09: 00007ffcce779350 [ 42.505957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560cd25ff2b0 [ 42.507225] R13: 00007ffcce77a0e0 R14: 0000560cd2601d20 R15: 0000560cd26138d0 [ 42.508514] [ 42.508988] irq event stamp: 1847 [ 42.509492] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 42.510754] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 42.512004] softirqs last enabled at (1844): [] handle_softirqs+0x50c/0x770 [ 42.513309] softirqs last disabled at (1839): [] __irq_exit_rcu+0xc4/0x100 [ 42.514573] ---[ end trace 0000000000000000 ]--- [ 43.166907] ------------[ cut here ]------------ [ 43.167786] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.169842] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.171323] Modules linked in: [ 43.171959] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.174195] Tainted: [W]=WARN [ 43.174747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.176289] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.177203] 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 [ 43.180389] RSP: 0018:ffff8880178afbc0 EFLAGS: 00010286 [ 43.181381] RAX: 0000000000000000 RBX: ffffed1002f15f78 RCX: ffffffff813a4050 [ 43.182663] RDX: ffff88800f8c9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.183949] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f15f2f [ 43.185256] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.186546] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178afdf8 [ 43.187830] FS: 00007f5a0c553900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.189296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.190378] CR2: 00007f5a0ca45580 CR3: 000000001f3d8000 CR4: 0000000000350ef0 [ 43.191657] Call Trace: [ 43.192177] [ 43.192583] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.193494] ? __create_object+0x59/0x80 [ 43.194272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.195248] __vmalloc_noprof+0x59/0x60 [ 43.196008] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.197007] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.197981] bpf_prog_alloc+0x39/0x200 [ 43.198674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.199614] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.200574] do_seccomp+0x349/0x25e0 [ 43.201339] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.202244] ? __pfx_do_seccomp+0x10/0x10 [ 43.203040] ? find_held_lock+0x2b/0x80 [ 43.203763] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.204781] ? static_key_count+0x60/0x80 [ 43.205586] prctl_set_seccomp+0x4e/0x70 [ 43.206365] __do_sys_prctl+0xe6c/0x1d70 [ 43.207154] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.208006] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.209047] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.210032] ? irqentry_exit+0xf3/0x650 [ 43.210758] do_syscall_64+0xbf/0x430 [ 43.211494] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.212476] RIP: 0033:0x7f5a0ca455cd [ 43.213235] 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 [ 43.216446] RSP: 002b:00007fff497e1b00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.217857] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a0ca455cd [ 43.219169] RDX: 0000557a89e47e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.220657] RBP: 00007fff497e1b60 R08: 0000000000000000 R09: 00007fff497e1200 [ 43.222317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557aadf8ead0 [ 43.223902] R13: 00007fff497e1f90 R14: 0000557aadf8fbc0 R15: 0000557aadfa0780 [ 43.225112] [ 43.225471] irq event stamp: 1809 [ 43.226031] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 43.227352] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 43.228690] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 43.230005] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 43.231282] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12629' (ECDSA) to the list of known hosts. 2025/11/18 14:18:06 fuzzer started 2025/11/18 14:18:06 dialing manager at localhost:34383 2025/11/18 14:18:06 checking machine... 2025/11/18 14:18:06 checking revisions... [ 43.990799] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:18:06 testing simple program... [ 44.068228] cgroup: Unknown subsys name 'net' [ 44.155720] cgroup: Unknown subsys name 'cpuset' [ 44.172217] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:18:05 Registers: info registers vcpu 0 RAX=ffffffff812dfbc2 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888019d8f601 RSI=ffff888019d8f630 RDI=ffff888019d8f630 RBP=ffff888019d8f690 RSP=ffff888019d8f570 R8 =ffffffff86a01698 R9 =ffff888019d8f678 R10=000000000003c9ed R11=0000000000006e2e R12=ffff888019d8f698 R13=ffff888019d8f680 R14=ffff888019d8f638 R15=ffff888019d8f638 RIP=ffffffff8135da23 RFL=00000202 [-------] 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 0000000000000000 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=00007fc52ecc2458 CR3=000000001f335000 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=756e696c2d34365f3638782f62696c2f XMM01=00312e6f732e7a62696c2f756e672d78 XMM02=ffff000000000000ffffffffffffff00 XMM03=ffffffffff0000ffffffffff00000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff85f10a38 RBX=ffff88801aa69bc0 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f10a38 RBP=ffffffff85f10a38 RSP=ffff888017b87910 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 RFL=00000002 [-------] 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 00007f2f8cf08900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2f8cee7020 CR3=000000001f1ef000 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