Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.999787] ------------[ cut here ]------------ [ 39.000572] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.002256] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.003530] Modules linked in: [ 39.004031] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.005927] Tainted: [W]=WARN [ 39.006481] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.007728] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.008505] 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 [ 39.011223] RSP: 0018:ffff8880142bfbc0 EFLAGS: 00010286 [ 39.012037] RAX: 0000000000000000 RBX: ffffed1002857f78 RCX: ffffffff813a4050 [ 39.013146] RDX: ffff88801653b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.014242] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002857f2f [ 39.015341] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.016434] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880142bfdf8 [ 39.017522] FS: 00007f33d5580900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.018757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.019653] CR2: 00007fffe863fef8 CR3: 000000000db58000 CR4: 0000000000350ef0 [ 39.020759] Call Trace: [ 39.021154] [ 39.021533] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.022261] ? __create_object+0x59/0x80 [ 39.022924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.023748] __vmalloc_noprof+0x59/0x60 [ 39.024396] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.025093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025879] bpf_prog_alloc+0x39/0x200 [ 39.026500] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.027244] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.028016] do_seccomp+0x349/0x25e0 [ 39.028635] ? find_held_lock+0x2b/0x80 [ 39.029237] ? do_prlimit+0x310/0x610 [ 39.029847] ? __pfx_do_seccomp+0x10/0x10 [ 39.030492] ? do_raw_spin_unlock+0x53/0x220 [ 39.031147] ? _raw_spin_unlock+0x1e/0x40 [ 39.031792] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032616] ? static_key_count+0x60/0x80 [ 39.033255] prctl_set_seccomp+0x4e/0x70 [ 39.033908] __do_sys_prctl+0xe6c/0x1d70 [ 39.034560] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035248] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.036071] ? irqentry_exit+0xf3/0x650 [ 39.036729] do_syscall_64+0xbf/0x430 [ 39.037347] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.038116] RIP: 0033:0x7f33d5a725cd [ 39.038712] 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 [ 39.041422] RSP: 002b:00007fffe863e430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.042566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33d5a725cd [ 39.043663] RDX: 000055991228ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.044746] RBP: 00007fffe863e490 R08: 0000000000000000 R09: 00007fffe863db30 [ 39.045823] R10: 0000000000000000 R11: 0000000000000246 R12: 000055992a6edad0 [ 39.046908] R13: 00007fffe863e8c0 R14: 000055992a6eebc0 R15: 000055992a6ff780 [ 39.048010] [ 39.048403] irq event stamp: 1801 [ 39.048911] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.050183] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.051463] softirqs last enabled at (1450): [] handle_softirqs+0x50c/0x770 [ 39.052772] softirqs last disabled at (1445): [] __irq_exit_rcu+0xc4/0x100 [ 39.054034] ---[ end trace 0000000000000000 ]--- [ 42.382721] ------------[ cut here ]------------ [ 42.383677] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.385659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.387108] Modules linked in: [ 42.387750] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.389721] Tainted: [W]=WARN [ 42.390271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.391712] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.392622] 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 [ 42.395740] RSP: 0018:ffff888017ccfbc0 EFLAGS: 00010286 [ 42.396727] RAX: 0000000000000000 RBX: ffffed1002f99f78 RCX: ffffffff813a4050 [ 42.397999] RDX: ffff888017a70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.399281] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f99f2f [ 42.400576] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.401939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017ccfdf8 [ 42.403238] FS: 00007f95b4cf7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.404669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.405712] CR2: 00007ffcbc00fef8 CR3: 000000001b7cf000 CR4: 0000000000350ef0 [ 42.406982] Call Trace: [ 42.407486] [ 42.407899] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.408801] ? __create_object+0x59/0x80 [ 42.409585] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.410560] __vmalloc_noprof+0x59/0x60 [ 42.411285] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.412160] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.413099] bpf_prog_alloc+0x39/0x200 [ 42.413834] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.414761] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.415652] do_seccomp+0x349/0x25e0 [ 42.416368] ? find_held_lock+0x2b/0x80 [ 42.417097] ? do_prlimit+0x310/0x610 [ 42.417840] ? __pfx_do_seccomp+0x10/0x10 [ 42.418630] ? do_raw_spin_unlock+0x53/0x220 [ 42.419445] ? _raw_spin_unlock+0x1e/0x40 [ 42.420173] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.421132] ? static_key_count+0x60/0x80 [ 42.421914] prctl_set_seccomp+0x4e/0x70 [ 42.422698] __do_sys_prctl+0xe6c/0x1d70 [ 42.423490] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.424297] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.425291] ? irqentry_exit+0xf3/0x650 [ 42.426060] do_syscall_64+0xbf/0x430 [ 42.426793] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.427743] RIP: 0033:0x7f95b51e95cd [ 42.428462] 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 [ 42.431598] RSP: 002b:00007ffcbc00d680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.432968] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95b51e95cd [ 42.434270] RDX: 000055dece060e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.435559] RBP: 00007ffcbc00d6e0 R08: 0000000000000000 R09: 00007ffcbc00cd80 [ 42.436842] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dee5208ad0 [ 42.438128] R13: 00007ffcbc00db10 R14: 000055dee5209bc0 R15: 000055dee521a780 [ 42.439421] [ 42.439839] irq event stamp: 1717 [ 42.440480] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.441995] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 42.443498] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.445020] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 42.446517] ---[ end trace 0000000000000000 ]--- [ 43.241000] ------------[ cut here ]------------ [ 43.241925] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.243885] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.245336] Modules linked in: [ 43.245913] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.248085] Tainted: [W]=WARN [ 43.248755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.250196] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.251089] 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 [ 43.254194] RSP: 0018:ffff88801796fbc0 EFLAGS: 00010286 [ 43.255152] RAX: 0000000000000000 RBX: ffffed1002f2df78 RCX: ffffffff813a4050 [ 43.256405] RDX: ffff888016b3d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.257667] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2df2f [ 43.258925] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.260184] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801796fdf8 [ 43.261443] FS: 00007f82fadb2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.262862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.263884] CR2: 00007f82fb2a4580 CR3: 000000000bad1000 CR4: 0000000000350ef0 [ 43.265157] Call Trace: [ 43.265645] [ 43.266052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.266933] ? __create_object+0x59/0x80 [ 43.267692] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.268657] __vmalloc_noprof+0x59/0x60 [ 43.269395] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.270212] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.271109] bpf_prog_alloc+0x39/0x200 [ 43.271831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.272758] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.273650] do_seccomp+0x349/0x25e0 [ 43.274306] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.275198] ? __pfx_do_seccomp+0x10/0x10 [ 43.275976] ? find_held_lock+0x2b/0x80 [ 43.276727] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.277671] ? static_key_count+0x60/0x80 [ 43.278460] prctl_set_seccomp+0x4e/0x70 [ 43.279175] __do_sys_prctl+0xe6c/0x1d70 [ 43.279935] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.280796] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.281739] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.282686] ? irqentry_exit+0xf3/0x650 [ 43.283432] do_syscall_64+0xbf/0x430 [ 43.284105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.285046] RIP: 0033:0x7f82fb2a45cd [ 43.285728] 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 [ 43.288810] RSP: 002b:00007ffde5ddefe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.290141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82fb2a45cd [ 43.291387] RDX: 000055b161e99e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.292655] RBP: 00007ffde5ddf040 R08: 0000000000000000 R09: 00007ffde5dde6e0 [ 43.293914] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b1785adad0 [ 43.295159] R13: 00007ffde5ddf470 R14: 000055b1785aebc0 R15: 000055b1785bf780 [ 43.296442] [ 43.296859] irq event stamp: 1811 [ 43.297504] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 43.298995] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 43.300483] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 43.302000] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 43.303488] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29437' (ECDSA) to the list of known hosts. 2025/11/18 09:47:22 fuzzer started 2025/11/18 09:47:22 dialing manager at localhost:34383 2025/11/18 09:47:22 checking machine... 2025/11/18 09:47:22 checking revisions... [ 44.216370] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:47:22 testing simple program... [ 44.300207] cgroup: Unknown subsys name 'net' [ 44.355915] cgroup: Unknown subsys name 'cpuset' [ 44.370228] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:47:21 Registers: info registers vcpu 0 RAX=ffffffff83c6e2e5 RBX=ffffffff868fa4bc RCX=ffffffff83c6e2e0 RDX=0000000000000000 RSI=ffffffff86d7701e RDI=ffffffff868fa4b0 RBP=ffffffff868fa4bc RSP=ffff88806ce08998 R8 =ffffffff86d7701e R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a7c5 R12=ffffffff868fa4b8 R13=ffffffff868fa4b0 R14=0000000000000002 R15=dffffc0000000000 RIP=ffffffff8135dadb RFL=00000212 [----A--] 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 00007f95b4cf7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcbc007000 CR3=000000001fc54000 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=37343a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3334325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363435 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000027f95 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9268c7b000 CR3=000000000dc4c000 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=c9527d0d56918db5a44797eef8b745e3 XMM02=ec2efd57dc4c00df0000000000304528 XMM03=d0dfef0ab5ed053600000000003045f8 XMM04=7e1648167a3f8b1000000000000ae988 XMM05=6b6f031398ac389c00000000003211a8 XMM06=3e829fc8c8edc9900000000000320ba0 XMM07=e042d86d42eb936e0000000000311530 XMM08=d0dfef0ab5ed053600000000003045f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000