[ 38.921259] ------------[ cut here ]------------ [ 38.922126] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.923775] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.924986] Modules linked in: [ 38.925474] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.927322] Tainted: [W]=WARN [ 38.928031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.929245] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.930011] 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 [ 38.932601] RSP: 0018:ffff888015607bc0 EFLAGS: 00010286 [ 38.933405] RAX: 0000000000000000 RBX: ffffed1002ac0f78 RCX: ffffffff813a4050 [ 38.934493] RDX: ffff8880196a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.935554] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ac0f2f [ 38.936648] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.937772] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015607df8 [ 38.938865] FS: 00007f5cc12f8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.940141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.941043] CR2: 00007ffd928a0ef7 CR3: 000000000e54b000 CR4: 0000000000350ef0 [ 38.942156] Call Trace: [ 38.942541] [ 38.942944] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.943645] ? __create_object+0x59/0x80 [ 38.944325] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.945134] __vmalloc_noprof+0x59/0x60 [ 38.945770] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.946449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.947223] bpf_prog_alloc+0x39/0x200 [ 38.947842] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.948566] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.949310] do_seccomp+0x349/0x25e0 [ 38.949906] ? find_held_lock+0x2b/0x80 [ 38.950495] ? do_prlimit+0x310/0x610 [ 38.951131] ? __pfx_do_seccomp+0x10/0x10 [ 38.951790] ? do_raw_spin_unlock+0x53/0x220 [ 38.952438] ? _raw_spin_unlock+0x1e/0x40 [ 38.953091] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.953920] ? static_key_count+0x60/0x80 [ 38.954546] prctl_set_seccomp+0x4e/0x70 [ 38.955198] __do_sys_prctl+0xe6c/0x1d70 [ 38.955860] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.956527] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.957321] ? irqentry_exit+0xf3/0x650 [ 38.957967] do_syscall_64+0xbf/0x430 [ 38.958542] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.959325] RIP: 0033:0x7f5cc17ea5cd [ 38.959909] 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 [ 38.962559] RSP: 002b:00007ffd9289ef70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.963703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cc17ea5cd [ 38.964759] RDX: 0000559f7392be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.965826] RBP: 00007ffd9289efd0 R08: 0000000000000000 R09: 00007ffd9289e670 [ 38.966896] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559fa17b0ad0 [ 38.967954] R13: 00007ffd9289f400 R14: 0000559fa17b1bc0 R15: 0000559fa17c2780 [ 38.969026] [ 38.969378] irq event stamp: 1849 [ 38.969927] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 38.971186] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 38.972436] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 38.973726] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 38.974970] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.682746] ------------[ cut here ]------------ [ 41.683625] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.685623] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.687344] Modules linked in: [ 41.688052] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.690039] Tainted: [W]=WARN [ 41.690581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.692035] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.692939] 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 [ 41.696079] RSP: 0018:ffff88801754fbc0 EFLAGS: 00010286 [ 41.697033] RAX: 0000000000000000 RBX: ffffed1002ea9f78 RCX: ffffffff813a4050 [ 41.698320] RDX: ffff8880156a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.699589] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea9f2f [ 41.700869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.702144] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801754fdf8 [ 41.703412] FS: 00007fccda460900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.704827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.705888] CR2: 00007ffd2d59fef7 CR3: 000000001fdbf000 CR4: 0000000000350ef0 [ 41.707155] Call Trace: [ 41.707618] [ 41.708065] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.708955] ? __create_object+0x59/0x80 [ 41.709746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.710653] __vmalloc_noprof+0x59/0x60 [ 41.711398] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.712258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.713178] bpf_prog_alloc+0x39/0x200 [ 41.713916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.714840] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.715729] do_seccomp+0x349/0x25e0 [ 41.716392] ? find_held_lock+0x2b/0x80 [ 41.717152] ? do_prlimit+0x310/0x610 [ 41.717904] ? __pfx_do_seccomp+0x10/0x10 [ 41.718651] ? do_raw_spin_unlock+0x53/0x220 [ 41.719474] ? _raw_spin_unlock+0x1e/0x40 [ 41.720247] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.721196] ? static_key_count+0x60/0x80 [ 41.722006] prctl_set_seccomp+0x4e/0x70 [ 41.722787] __do_sys_prctl+0xe6c/0x1d70 [ 41.723519] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.724374] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.725331] ? irqentry_exit+0xf3/0x650 [ 41.726096] do_syscall_64+0xbf/0x430 [ 41.726849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.727812] RIP: 0033:0x7fccda9525cd [ 41.728477] 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 [ 41.731653] RSP: 002b:00007ffd2d59e880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.733040] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccda9525cd [ 41.734342] RDX: 0000562e875b2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.735626] RBP: 00007ffd2d59e8e0 R08: 0000000000000000 R09: 00007ffd2d59df80 [ 41.736896] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e8ab2fad0 [ 41.738202] R13: 00007ffd2d59ed10 R14: 0000562e8ab30bc0 R15: 0000562e8ab41780 [ 41.739527] [ 41.740005] irq event stamp: 1757 [ 41.740618] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 41.742146] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 41.743690] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 41.745217] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 41.746743] ---[ end trace 0000000000000000 ]--- [ 42.526935] ------------[ cut here ]------------ [ 42.527982] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.530162] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.531761] Modules linked in: [ 42.532395] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.534846] Tainted: [W]=WARN [ 42.535447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.537554] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.538660] 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 [ 42.542138] RSP: 0018:ffff8880172ffbc0 EFLAGS: 00010286 [ 42.543218] RAX: 0000000000000000 RBX: ffffed1002e5ff78 RCX: ffffffff813a4050 [ 42.544629] RDX: ffff88800eca8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.546036] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5ff2f [ 42.547434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.548832] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172ffdf8 [ 42.550260] FS: 00007f9f759a3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.551836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.553019] CR2: 00007f9f75e95580 CR3: 000000000c2de000 CR4: 0000000000350ef0 [ 42.554438] Call Trace: [ 42.554994] [ 42.555437] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.556440] ? __create_object+0x59/0x80 [ 42.557295] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.558406] __vmalloc_noprof+0x59/0x60 [ 42.559235] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.560196] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.561207] bpf_prog_alloc+0x39/0x200 [ 42.562055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.563088] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.564087] do_seccomp+0x349/0x25e0 [ 42.564873] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.565877] ? __pfx_do_seccomp+0x10/0x10 [ 42.566741] ? find_held_lock+0x2b/0x80 [ 42.567522] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.568586] ? static_key_count+0x60/0x80 [ 42.569469] prctl_set_seccomp+0x4e/0x70 [ 42.570357] __do_sys_prctl+0xe6c/0x1d70 [ 42.571213] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.572152] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.573212] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.574299] ? irqentry_exit+0xf3/0x650 [ 42.575148] do_syscall_64+0xbf/0x430 [ 42.575968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.577001] RIP: 0033:0x7f9f75e955cd [ 42.577809] 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 [ 42.581250] RSP: 002b:00007ffdb85de800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.582763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9f75e955cd [ 42.584154] RDX: 000056144003be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.585562] RBP: 00007ffdb85de860 R08: 0000000000000000 R09: 00007ffdb85ddf00 [ 42.586834] R10: 0000000000000000 R11: 0000000000000246 R12: 000056147ee27240 [ 42.587965] R13: 00007ffdb85dec90 R14: 000056147ee30380 R15: 000056147ee3b540 [ 42.589085] [ 42.589460] irq event stamp: 2909 [ 42.590045] hardirqs last enabled at (2919): [] __up_console_sem+0x78/0x80 [ 42.591371] hardirqs last disabled at (2928): [] __up_console_sem+0x5d/0x80 [ 42.592712] softirqs last enabled at (2742): [] handle_softirqs+0x50c/0x770 [ 42.594086] softirqs last disabled at (2737): [] __irq_exit_rcu+0xc4/0x100 [ 42.595424] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5325' (ECDSA) to the list of known hosts. 2025/11/18 12:47:50 fuzzer started 2025/11/18 12:47:50 dialing manager at localhost:34383 2025/11/18 12:47:50 checking machine... 2025/11/18 12:47:50 checking revisions... [ 43.560951] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:47:50 testing simple program... [ 43.651768] cgroup: Unknown subsys name 'net' [ 43.707646] cgroup: Unknown subsys name 'cpuset' [ 43.728833] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:47:49 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86aaeeea RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88801401f8f8 RSP=ffff88801401f830 R8 =ffffffff86aaeeee R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023ce7 R12=ffff88801401f900 R13=ffff88801401f8e8 R14=0000000000000008 R15=ffff88801401f8a0 RIP=ffffffff8135ec34 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 00007fccda460900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd2d598000 CR3=000000000e31b000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88800eca9bc0 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800ecaa618 RSP=ffff88801401f288 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88800ecaa618 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527028 RFL=00000086 [--S--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 00007fccda460900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdcc34e9440 CR3=000000000e31b000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000