Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.959545] ------------[ cut here ]------------ [ 38.960267] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.962002] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.963194] Modules linked in: [ 38.963717] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.965369] Tainted: [W]=WARN [ 38.965823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.967044] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.967788] 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 [ 38.970424] RSP: 0018:ffff888016867bc0 EFLAGS: 00010286 [ 38.971206] RAX: 0000000000000000 RBX: ffffed1002d0cf78 RCX: ffffffff813a4050 [ 38.972278] RDX: ffff888017493780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.973335] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0cf2f [ 38.974394] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.975463] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016867df8 [ 38.976546] FS: 00007ffb38f39900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.977750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.978633] CR2: 00007ffe12af3ef7 CR3: 000000000d85a000 CR4: 0000000000350ef0 [ 38.979704] Call Trace: [ 38.980088] [ 38.980462] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.981168] ? __create_object+0x59/0x80 [ 38.981810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.982623] __vmalloc_noprof+0x59/0x60 [ 38.983211] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.983941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.984725] bpf_prog_alloc+0x39/0x200 [ 38.985304] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.986084] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.986842] do_seccomp+0x349/0x25e0 [ 38.987439] ? find_held_lock+0x2b/0x80 [ 38.988029] ? do_prlimit+0x310/0x610 [ 38.988659] ? __pfx_do_seccomp+0x10/0x10 [ 38.989272] ? do_raw_spin_unlock+0x53/0x220 [ 38.989969] ? _raw_spin_unlock+0x1e/0x40 [ 38.990617] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.991417] ? static_key_count+0x60/0x80 [ 38.992046] prctl_set_seccomp+0x4e/0x70 [ 38.992690] __do_sys_prctl+0xe6c/0x1d70 [ 38.993299] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.994003] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.994800] ? irqentry_exit+0xf3/0x650 [ 38.995442] do_syscall_64+0xbf/0x430 [ 38.996015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.996814] RIP: 0033:0x7ffb3942b5cd [ 38.997399] 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 [ 39.000033] RSP: 002b:00007ffe12af1b30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.001180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb3942b5cd [ 39.002245] RDX: 0000563f6cb86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.003421] RBP: 00007ffe12af1b90 R08: 0000000000000000 R09: 00007ffe12af1230 [ 39.004768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f7b5b9b10 [ 39.005839] R13: 00007ffe12af1fc0 R14: 0000563f7b5ba2b0 R15: 0000563f7b5ce6f0 [ 39.006914] [ 39.007267] irq event stamp: 1747 [ 39.007808] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.009086] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.010347] softirqs last enabled at (1450): [] handle_softirqs+0x50c/0x770 [ 39.011628] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 39.012902] ---[ end trace 0000000000000000 ]--- [ 42.090192] ------------[ cut here ]------------ [ 42.090782] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.092070] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.092989] Modules linked in: [ 42.093379] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.094617] Tainted: [W]=WARN [ 42.094962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.095880] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.096454] 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 [ 42.098670] RSP: 0018:ffff888016bffbc0 EFLAGS: 00010286 [ 42.099258] RAX: 0000000000000000 RBX: ffffed1002d7ff78 RCX: ffffffff813a4050 [ 42.100053] RDX: ffff8880161dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.100874] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ff2f [ 42.101675] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.102472] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bffdf8 [ 42.103251] FS: 00007f080af35900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.104148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.104839] CR2: 00007f080b427580 CR3: 000000001e17d000 CR4: 0000000000350ef0 [ 42.105644] Call Trace: [ 42.105964] [ 42.106265] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.106849] ? __create_object+0x59/0x80 [ 42.107335] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.107916] __vmalloc_noprof+0x59/0x60 [ 42.108399] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.108921] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.109499] bpf_prog_alloc+0x39/0x200 [ 42.109936] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.110515] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.111052] do_seccomp+0x349/0x25e0 [ 42.111502] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.112042] ? __pfx_do_seccomp+0x10/0x10 [ 42.112546] ? find_held_lock+0x2b/0x80 [ 42.112998] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.113598] ? static_key_count+0x60/0x80 [ 42.114075] prctl_set_seccomp+0x4e/0x70 [ 42.114556] __do_sys_prctl+0xe6c/0x1d70 [ 42.115020] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.115554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.116130] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.116746] ? irqentry_exit+0xf3/0x650 [ 42.117357] do_syscall_64+0xbf/0x430 [ 42.117839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.118559] RIP: 0033:0x7f080b4275cd [ 42.118976] 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 [ 42.120971] RSP: 002b:00007ffc571fa860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.121820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f080b4275cd [ 42.122616] RDX: 000056451ee63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.123412] RBP: 00007ffc571fa8c0 R08: 0000000000000000 R09: 00007ffc571f9f60 [ 42.124187] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645558cdad0 [ 42.124996] R13: 00007ffc571facf0 R14: 00005645558cebc0 R15: 00005645558df780 [ 42.125807] [ 42.126071] irq event stamp: 1685 [ 42.126470] hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 [ 42.127537] hardirqs last disabled at (1706): [] __up_console_sem+0x5d/0x80 [ 42.128503] softirqs last enabled at (1490): [] handle_softirqs+0x50c/0x770 [ 42.129470] softirqs last disabled at (1485): [] __irq_exit_rcu+0xc4/0x100 [ 42.130413] ---[ end trace 0000000000000000 ]--- [ 43.010517] ------------[ cut here ]------------ [ 43.011708] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.014271] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.016578] Modules linked in: [ 43.017502] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.020037] Tainted: [W]=WARN [ 43.020834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.022737] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.023917] 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 [ 43.027448] RSP: 0018:ffff888016867bc0 EFLAGS: 00010286 [ 43.028499] RAX: 0000000000000000 RBX: ffffed1002d0cf78 RCX: ffffffff813a4050 [ 43.029837] RDX: ffff888017a80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.031123] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0cf2f [ 43.032417] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.033697] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016867df8 [ 43.034995] FS: 00007f4819702900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.036445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.037521] CR2: 00007f4819bf4580 CR3: 000000001eafe000 CR4: 0000000000350ef0 [ 43.039172] Call Trace: [ 43.039846] [ 43.040462] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.041454] ? __create_object+0x59/0x80 [ 43.042233] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.043228] __vmalloc_noprof+0x59/0x60 [ 43.044010] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.044987] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.045965] bpf_prog_alloc+0x39/0x200 [ 43.046816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.047806] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.048763] do_seccomp+0x349/0x25e0 [ 43.049507] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.050433] ? __pfx_do_seccomp+0x10/0x10 [ 43.051241] ? find_held_lock+0x2b/0x80 [ 43.052010] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.052994] ? static_key_count+0x60/0x80 [ 43.053814] prctl_set_seccomp+0x4e/0x70 [ 43.054604] __do_sys_prctl+0xe6c/0x1d70 [ 43.055386] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.056204] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.057178] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.058153] ? irqentry_exit+0xf3/0x650 [ 43.058915] do_syscall_64+0xbf/0x430 [ 43.059654] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.060639] RIP: 0033:0x7f4819bf45cd [ 43.061354] 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 [ 43.064540] RSP: 002b:00007ffe2135c050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.065765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4819bf45cd [ 43.066842] RDX: 000055c224f30e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.067915] RBP: 00007ffe2135c0b0 R08: 0000000000000000 R09: 00007ffe2135b750 [ 43.068989] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c25b23dad0 [ 43.070052] R13: 00007ffe2135c4e0 R14: 000055c25b23ebc0 R15: 000055c25b24f780 [ 43.071134] [ 43.071528] irq event stamp: 1817 [ 43.072034] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 43.073330] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 43.074597] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 43.075872] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 43.077148] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63994' (ECDSA) to the list of known hosts. 2025/11/17 20:11:55 fuzzer started 2025/11/17 20:11:56 dialing manager at localhost:37895 2025/11/17 20:11:56 checking machine... 2025/11/17 20:11:56 checking revisions... [ 43.999390] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:11:56 testing simple program... [ 44.095306] cgroup: Unknown subsys name 'net' [ 44.165629] cgroup: Unknown subsys name 'cpuset' [ 44.192993] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:11:55 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff88598148 RSP=ffff88806ce08bd8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=00000000003ac744 RIP=ffffffff815bcfa0 RFL=00000016 [----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f080b4ed0b0 CR3=000000001e06a000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000005 RCX=ffff88806cf089c4 RDX=1ffff110033933f7 RSI=ffffffff8175a467 RDI=ffff888019c99fbc RBP=ffff888019c99bc0 RSP=ffff88806cf089e8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f4aa7bc4bb1 R13=0000000000000000 R14=ffff888019c99bc0 R15=ffff888008c4b780 RIP=ffffffff815bd5d8 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4aa7793900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4aa8149ec3 CR3=000000001e834000 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=0078756e696c65732f73662f7379732f XMM01=0078756e696c65732f73662f7379732f XMM02=00000000ff0000ff0000ff0000000000 XMM03=000000000000000000000000000000ff XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00007f4aa784f5f000007f4aa784f060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000