[ 38.914011] ------------[ cut here ]------------ [ 38.914768] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.916447] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.917756] Modules linked in: [ 38.918310] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.919944] Tainted: [W]=WARN [ 38.920441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.921688] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.922489] 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 [ 38.925137] RSP: 0018:ffff8880171bfbc0 EFLAGS: 00010286 [ 38.925973] RAX: 0000000000000000 RBX: ffffed1002e37f78 RCX: ffffffff813a4050 [ 38.927024] RDX: ffff8880153d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.928085] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e37f2f [ 38.929190] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.930269] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171bfdf8 [ 38.931333] FS: 00007fb354949900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.932517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.933421] CR2: 00007fff0647aef7 CR3: 000000000ba8f000 CR4: 0000000000350ef0 [ 38.934511] Call Trace: [ 38.934896] [ 38.935273] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.935975] ? __create_object+0x59/0x80 [ 38.936624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.937407] __vmalloc_noprof+0x59/0x60 [ 38.938027] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.938759] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.939560] bpf_prog_alloc+0x39/0x200 [ 38.940131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.940917] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.941663] do_seccomp+0x349/0x25e0 [ 38.942280] ? find_held_lock+0x2b/0x80 [ 38.942865] ? do_prlimit+0x310/0x610 [ 38.943486] ? __pfx_do_seccomp+0x10/0x10 [ 38.944094] ? do_raw_spin_unlock+0x53/0x220 [ 38.944771] ? _raw_spin_unlock+0x1e/0x40 [ 38.945429] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.946245] ? static_key_count+0x60/0x80 [ 38.946864] prctl_set_seccomp+0x4e/0x70 [ 38.947506] __do_sys_prctl+0xe6c/0x1d70 [ 38.948113] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.948822] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.949646] ? irqentry_exit+0xf3/0x650 [ 38.950301] do_syscall_64+0xbf/0x430 [ 38.950870] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.951660] RIP: 0033:0x7fb354e3b5cd [ 38.952231] 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 [ 38.954886] RSP: 002b:00007fff06479820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.956026] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb354e3b5cd [ 38.957073] RDX: 0000565025e5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.958114] RBP: 00007fff06479880 R08: 0000000000000000 R09: 00007fff06478f20 [ 38.959182] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565034c112b0 [ 38.960255] R13: 00007fff06479cb0 R14: 0000565034c13d20 R15: 0000565034c258d0 [ 38.961322] [ 38.961669] irq event stamp: 1747 [ 38.962159] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 38.963453] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 38.964707] softirqs last enabled at (1244): [] handle_softirqs+0x50c/0x770 [ 38.965980] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 38.967241] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.549445] ------------[ cut here ]------------ [ 42.550218] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.551952] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.553201] Modules linked in: [ 42.553944] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.555835] Tainted: [W]=WARN [ 42.556710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.557957] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.558718] 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 [ 42.561398] RSP: 0018:ffff888016157bc0 EFLAGS: 00010286 [ 42.562222] RAX: 0000000000000000 RBX: ffffed1002c2af78 RCX: ffffffff813a4050 [ 42.563303] RDX: ffff888015a1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.564377] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2af2f [ 42.565444] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.566523] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016157df8 [ 42.567619] FS: 00007fbdc81b5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.568830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.569718] CR2: 00007fbdc86a7580 CR3: 000000000a199000 CR4: 0000000000350ef0 [ 42.570806] Call Trace: [ 42.571233] [ 42.571594] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.572357] ? __create_object+0x59/0x80 [ 42.572984] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.573805] __vmalloc_noprof+0x59/0x60 [ 42.574437] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.575144] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.575966] bpf_prog_alloc+0x39/0x200 [ 42.576850] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.577653] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.578440] do_seccomp+0x349/0x25e0 [ 42.579030] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.579833] ? __pfx_do_seccomp+0x10/0x10 [ 42.580510] ? find_held_lock+0x2b/0x80 [ 42.581532] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.582501] ? static_key_count+0x60/0x80 [ 42.583192] prctl_set_seccomp+0x4e/0x70 [ 42.583842] __do_sys_prctl+0xe6c/0x1d70 [ 42.584516] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.585254] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.586052] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.586898] ? irqentry_exit+0xf3/0x650 [ 42.587559] do_syscall_64+0xbf/0x430 [ 42.588187] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.588980] RIP: 0033:0x7fbdc86a75cd [ 42.589578] 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 [ 42.592507] RSP: 002b:00007ffe4055e1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.593634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdc86a75cd [ 42.594682] RDX: 000056386190de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.595743] RBP: 00007ffe4055e240 R08: 0000000000000000 R09: 00007ffe4055d8e0 [ 42.596801] R10: 0000000000000000 R11: 0000000000000246 R12: 000056386d5612b0 [ 42.597847] R13: 00007ffe4055e670 R14: 000056386d563d20 R15: 000056386d5758d0 [ 42.598912] [ 42.599304] irq event stamp: 1959 [ 42.599804] hardirqs last enabled at (1967): [] __up_console_sem+0x78/0x80 [ 42.601063] hardirqs last disabled at (1976): [] __up_console_sem+0x5d/0x80 [ 42.602470] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 42.603783] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.605035] ---[ end trace 0000000000000000 ]--- [ 43.424868] ------------[ cut here ]------------ [ 43.425807] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.427858] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.429295] Modules linked in: [ 43.429876] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.431869] Tainted: [W]=WARN [ 43.432729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.434283] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.435147] 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 [ 43.438369] RSP: 0018:ffff88800f47fbc0 EFLAGS: 00010286 [ 43.439339] RAX: 0000000000000000 RBX: ffffed1001e8ff78 RCX: ffffffff813a4050 [ 43.440610] RDX: ffff8880185d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.441881] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e8ff2f [ 43.443151] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.444459] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f47fdf8 [ 43.445732] FS: 00007f867a7fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.447139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.448222] CR2: 00007fff800f6ef7 CR3: 000000000fa01000 CR4: 0000000000350ef0 [ 43.449490] Call Trace: [ 43.449954] [ 43.450386] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.451295] ? __create_object+0x59/0x80 [ 43.452025] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.452978] __vmalloc_noprof+0x59/0x60 [ 43.453724] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.454578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.455519] bpf_prog_alloc+0x39/0x200 [ 43.456244] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.457114] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.458005] do_seccomp+0x349/0x25e0 [ 43.458718] ? find_held_lock+0x2b/0x80 [ 43.459475] ? do_prlimit+0x310/0x610 [ 43.460208] ? __pfx_do_seccomp+0x10/0x10 [ 43.460935] ? do_raw_spin_unlock+0x53/0x220 [ 43.461756] ? _raw_spin_unlock+0x1e/0x40 [ 43.462521] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.463466] ? static_key_count+0x60/0x80 [ 43.464259] prctl_set_seccomp+0x4e/0x70 [ 43.464967] __do_sys_prctl+0xe6c/0x1d70 [ 43.465734] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.466578] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.467540] ? irqentry_exit+0xf3/0x650 [ 43.468295] do_syscall_64+0xbf/0x430 [ 43.468972] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.469912] RIP: 0033:0x7f867acec5cd [ 43.470611] 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 [ 43.474013] RSP: 002b:00007fff800f5580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.475534] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f867acec5cd [ 43.476924] RDX: 00005654fe746e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.478361] RBP: 00007fff800f55e0 R08: 0000000000000000 R09: 00007fff800f4c80 [ 43.479930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565504535ad0 [ 43.481355] R13: 00007fff800f5a10 R14: 0000565504536bc0 R15: 0000565504547780 [ 43.482785] [ 43.483326] irq event stamp: 1801 [ 43.483994] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 43.485780] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 43.487433] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 43.489101] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 43.490742] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5454' (ECDSA) to the list of known hosts. 2025/11/17 10:19:50 fuzzer started 2025/11/17 10:19:50 dialing manager at localhost:37895 2025/11/17 10:19:50 checking machine... 2025/11/17 10:19:50 checking revisions... [ 44.397682] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:19:50 testing simple program... [ 44.485495] cgroup: Unknown subsys name 'net' [ 44.555973] cgroup: Unknown subsys name 'cpuset' [ 44.573134] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:19:49 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009611bc0 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff888009612618 RSP=ffff888009627688 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000008cd3ea4 R14=0000000000000000 R15=dfb8078e475e76a4 RIP=ffffffff81527612 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 0000000000000000 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=00007ffe40558000 CR3=000000001ffaf000 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=1ffff11002ec31ca RBX=0000000000000009 RCX=ffffffff84bf44e6 RDX=ffff888015a1d340 RSI=00007fbdc8182fff RDI=00007fbdc8185000 RBP=ffff888017618e50 RSP=ffff88801770f2a8 R8 =0000000000000001 R9 =fffffbfff0cc9eca R10=0000000000000009 R11=ffff88800a870c20 R12=000000000000000e R13=00007fbdc8185000 R14=00007fbdc8182fff R15=dffffc0000000000 RIP=ffffffff81751708 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 00007fbdc81b5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbdc8194020 CR3=000000001ffaf000 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