[ 46.032887] ------------[ cut here ]------------ [ 46.033807] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.035847] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.037339] Modules linked in: [ 46.037922] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.041256] Tainted: [W]=WARN [ 46.042122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.043638] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.044463] 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 [ 46.047014] RSP: 0018:ffff88801716fbc0 EFLAGS: 00010286 [ 46.047822] RAX: 0000000000000000 RBX: ffffed1002e2df78 RCX: ffffffff813a4050 [ 46.048873] RDX: ffff888015800000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.049904] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2df2f [ 46.050952] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.051995] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801716fdf8 [ 46.053041] FS: 00007fb1729d6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.054221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.055206] CR2: 00007fb172ec8580 CR3: 0000000009ef9000 CR4: 0000000000350ef0 [ 46.056261] Call Trace: [ 46.056678] [ 46.057017] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.057757] ? __create_object+0x59/0x80 [ 46.058786] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.059599] __vmalloc_noprof+0x59/0x60 [ 46.060180] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.060886] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.061650] bpf_prog_alloc+0x39/0x200 [ 46.062215] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.062975] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.063824] do_seccomp+0x349/0x25e0 [ 46.064399] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.065131] ? __pfx_do_seccomp+0x10/0x10 [ 46.065827] ? find_held_lock+0x2b/0x80 [ 46.066444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.067195] ? static_key_count+0x60/0x80 [ 46.067839] prctl_set_seccomp+0x4e/0x70 [ 46.068456] __do_sys_prctl+0xe6c/0x1d70 [ 46.069054] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.069739] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.070521] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.071272] ? irqentry_exit+0xf3/0x650 [ 46.071883] do_syscall_64+0xbf/0x430 [ 46.072475] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.073206] RIP: 0033:0x7fb172ec85cd [ 46.073779] 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 [ 46.076345] RSP: 002b:00007ffe0783c340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.077443] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb172ec85cd [ 46.078476] RDX: 000055ea3ee01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.079518] RBP: 00007ffe0783c3a0 R08: 0000000000000000 R09: 00007ffe0783ba40 [ 46.080575] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea45fb3bf0 [ 46.081619] R13: 00007ffe0783c7d0 R14: 000055ea45fbd380 R15: 000055ea45fc8460 [ 46.082678] [ 46.083042] irq event stamp: 2075 [ 46.083569] hardirqs last enabled at (2085): [] __up_console_sem+0x78/0x80 [ 46.084855] hardirqs last disabled at (2094): [] __up_console_sem+0x5d/0x80 [ 46.086251] softirqs last enabled at (2034): [] handle_softirqs+0x50c/0x770 [ 46.087519] softirqs last disabled at (2029): [] __irq_exit_rcu+0xc4/0x100 [ 46.088737] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.088468] ------------[ cut here ]------------ [ 49.089057] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.090393] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.091367] Modules linked in: [ 49.091751] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.093100] Tainted: [W]=WARN [ 49.093488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.094436] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.095030] 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 [ 49.097161] RSP: 0018:ffff888018857bc0 EFLAGS: 00010286 [ 49.097792] RAX: 0000000000000000 RBX: ffffed100310af78 RCX: ffffffff813a4050 [ 49.098634] RDX: ffff888017458000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.099479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100310af2f [ 49.100288] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.101118] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018857df8 [ 49.101965] FS: 00007f689d0de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.102904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.103609] CR2: 00007ffd76526ef8 CR3: 000000001fa9b000 CR4: 0000000000350ef0 [ 49.104441] Call Trace: [ 49.104737] [ 49.105005] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.105580] ? __create_object+0x59/0x80 [ 49.106063] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.106689] __vmalloc_noprof+0x59/0x60 [ 49.107169] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.107733] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.108307] bpf_prog_alloc+0x39/0x200 [ 49.108786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.109389] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.109944] do_seccomp+0x349/0x25e0 [ 49.110407] ? find_held_lock+0x2b/0x80 [ 49.110858] ? do_prlimit+0x310/0x610 [ 49.111352] ? __pfx_do_seccomp+0x10/0x10 [ 49.111833] ? do_raw_spin_unlock+0x53/0x220 [ 49.112375] ? _raw_spin_unlock+0x1e/0x40 [ 49.112855] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.113486] ? static_key_count+0x60/0x80 [ 49.113967] prctl_set_seccomp+0x4e/0x70 [ 49.114453] __do_sys_prctl+0xe6c/0x1d70 [ 49.114923] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.115482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.116077] ? irqentry_exit+0xf3/0x650 [ 49.116557] do_syscall_64+0xbf/0x430 [ 49.117000] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.117592] RIP: 0033:0x7f689d5d05cd [ 49.118017] 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 [ 49.120059] RSP: 002b:00007ffd765242a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.120950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f689d5d05cd [ 49.121762] RDX: 000055cd54b28e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.122587] RBP: 00007ffd76524300 R08: 0000000000000000 R09: 00007ffd765239a0 [ 49.123432] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cd5ae2dad0 [ 49.124258] R13: 00007ffd76524730 R14: 000055cd5ae2ebc0 R15: 000055cd5ae3f780 [ 49.125110] [ 49.125404] irq event stamp: 1755 [ 49.125800] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.126797] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.127788] softirqs last enabled at (1348): [] handle_softirqs+0x50c/0x770 [ 49.128791] softirqs last disabled at (1343): [] __irq_exit_rcu+0xc4/0x100 [ 49.129781] ---[ end trace 0000000000000000 ]--- [ 49.855545] ------------[ cut here ]------------ [ 49.856527] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.858536] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.860004] Modules linked in: [ 49.860661] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.862611] Tainted: [W]=WARN [ 49.863166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.864617] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.865523] 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 [ 49.868672] RSP: 0018:ffff88801b9cfbc0 EFLAGS: 00010286 [ 49.869646] RAX: 0000000000000000 RBX: ffffed1003739f78 RCX: ffffffff813a4050 [ 49.870915] RDX: ffff888015ec3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.872201] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003739f2f [ 49.873471] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.874734] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b9cfdf8 [ 49.876015] FS: 00007f38efaca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.877424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.878481] CR2: 00007ffd6b417ef8 CR3: 000000000c8a3000 CR4: 0000000000350ef0 [ 49.879759] Call Trace: [ 49.880217] [ 49.880676] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.881559] ? __create_object+0x59/0x80 [ 49.882287] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.883275] __vmalloc_noprof+0x59/0x60 [ 49.884023] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.884903] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.885827] bpf_prog_alloc+0x39/0x200 [ 49.886543] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.887498] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.888400] do_seccomp+0x349/0x25e0 [ 49.889071] ? find_held_lock+0x2b/0x80 [ 49.889823] ? do_prlimit+0x310/0x610 [ 49.890573] ? __pfx_do_seccomp+0x10/0x10 [ 49.891368] ? do_raw_spin_unlock+0x53/0x220 [ 49.892158] ? _raw_spin_unlock+0x1e/0x40 [ 49.892940] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.893901] ? static_key_count+0x60/0x80 [ 49.894708] prctl_set_seccomp+0x4e/0x70 [ 49.895511] __do_sys_prctl+0xe6c/0x1d70 [ 49.896239] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.897083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.898058] ? irqentry_exit+0xf3/0x650 [ 49.899011] do_syscall_64+0xbf/0x430 [ 49.899765] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.900714] RIP: 0033:0x7f38effbc5cd [ 49.901422] 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 [ 49.904595] RSP: 002b:00007ffd6b416500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.905965] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38effbc5cd [ 49.907277] RDX: 00005649e6505e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.908532] RBP: 00007ffd6b416560 R08: 0000000000000000 R09: 00007ffd6b415c00 [ 49.909796] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a18354240 [ 49.911095] R13: 00007ffd6b416990 R14: 0000564a18353bf0 R15: 0000564a183684d0 [ 49.912384] [ 49.912811] irq event stamp: 1703 [ 49.913435] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 49.914953] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 49.916472] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 49.918006] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 49.919527] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65066' (ECDSA) to the list of known hosts. 2025/11/18 17:42:00 fuzzer started 2025/11/18 17:42:00 dialing manager at localhost:34383 2025/11/18 17:42:00 checking machine... 2025/11/18 17:42:00 checking revisions... [ 50.813008] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:42:00 testing simple program... [ 50.906288] cgroup: Unknown subsys name 'net' [ 50.973152] cgroup: Unknown subsys name 'cpuset' [ 50.991554] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:41:59 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=ffffffff8175a7c7 RDX=0000000000000000 RSI=ffffffff8175a716 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff8880159bf488 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=0000000000000000 R14=ffffffff85e786a8 R15=ffff88800945d280 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007f71b1e11900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f71b1529278 CR3=000000000e8e2000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=2d077c95ea9f04c700000000000ae988 XMM05=9a2d3678247fec6b0000000000321878 XMM06=e82037c9f69abd5d0000000000320618 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888017459bc0 RCX=ffffffff812ce2ae RDX=ffff888017459bc0 RSI=ffffffff812ce2b8 RDI=0000000000000005 RBP=ffff88801672ff48 RSP=ffff88801672ff00 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=0000000000000005 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff812ce2b8 RFL=00000093 [--S-A-C] 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 00007f689d0de900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd7651e000 CR3=000000001fb38000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00ff00000000000000000000000000ff XMM02=00ff00000000000000000000000000ff XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=6500273d2720676e6974636570786500 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000