Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.505175] ------------[ cut here ]------------ [ 39.506111] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.508119] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.509862] Modules linked in: [ 39.510452] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.512532] Tainted: [W]=WARN [ 39.513140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.514619] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.515554] 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 [ 39.518742] RSP: 0018:ffff88801700fbc0 EFLAGS: 00010286 [ 39.519734] RAX: 0000000000000000 RBX: ffffed1002e01f78 RCX: ffffffff813a4050 [ 39.521012] RDX: ffff8880173b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.522315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e01f2f [ 39.523640] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.524927] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801700fdf8 [ 39.526225] FS: 00007faf48899900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.527692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.528795] CR2: 00007fff7315fef8 CR3: 000000001c321000 CR4: 0000000000350ef0 [ 39.530097] Call Trace: [ 39.530561] [ 39.531029] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.531952] ? __create_object+0x59/0x80 [ 39.532687] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.533653] __vmalloc_noprof+0x59/0x60 [ 39.534394] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.535280] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.536224] bpf_prog_alloc+0x39/0x200 [ 39.536980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.537919] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.538824] do_seccomp+0x349/0x25e0 [ 39.539522] ? find_held_lock+0x2b/0x80 [ 39.540304] ? do_prlimit+0x310/0x610 [ 39.541053] ? __pfx_do_seccomp+0x10/0x10 [ 39.541836] ? do_raw_spin_unlock+0x53/0x220 [ 39.542632] ? _raw_spin_unlock+0x1e/0x40 [ 39.543431] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.544399] ? static_key_count+0x60/0x80 [ 39.545203] prctl_set_seccomp+0x4e/0x70 [ 39.545991] __do_sys_prctl+0xe6c/0x1d70 [ 39.546732] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.547611] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.548583] ? irqentry_exit+0xf3/0x650 [ 39.549352] do_syscall_64+0xbf/0x430 [ 39.550116] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.551079] RIP: 0033:0x7faf48d8b5cd [ 39.551766] 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 [ 39.554978] RSP: 002b:00007fff7315ea90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.556370] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faf48d8b5cd [ 39.557660] RDX: 000055da82d40e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.558961] RBP: 00007fff7315eaf0 R08: 0000000000000000 R09: 00007fff7315e190 [ 39.560263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da8de7dad0 [ 39.561568] R13: 00007fff7315ef20 R14: 000055da8de7ebc0 R15: 000055da8de8f780 [ 39.562961] [ 39.563416] irq event stamp: 1793 [ 39.564086] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 39.565642] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 39.567186] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 39.568762] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 39.570332] ---[ end trace 0000000000000000 ]--- [ 42.370395] ------------[ cut here ]------------ [ 42.371374] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.373385] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.374858] Modules linked in: [ 42.375468] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.378397] Tainted: [W]=WARN [ 42.379015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.380520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.381426] 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 [ 42.384631] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 42.385624] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 42.386896] RDX: ffff8880171f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.388444] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 42.389819] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.391226] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 42.392740] FS: 00007fed36702900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.394324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.395558] CR2: 00007fed36bf4580 CR3: 000000001e4e2000 CR4: 0000000000350ef0 [ 42.396828] Call Trace: [ 42.397369] [ 42.397823] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.398692] ? __create_object+0x59/0x80 [ 42.399598] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.400565] __vmalloc_noprof+0x59/0x60 [ 42.401312] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.402186] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.403107] bpf_prog_alloc+0x39/0x200 [ 42.403843] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.404724] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.405628] do_seccomp+0x349/0x25e0 [ 42.406354] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.407257] ? __pfx_do_seccomp+0x10/0x10 [ 42.408196] ? find_held_lock+0x2b/0x80 [ 42.409065] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.410034] ? static_key_count+0x60/0x80 [ 42.410859] prctl_set_seccomp+0x4e/0x70 [ 42.411610] __do_sys_prctl+0xe6c/0x1d70 [ 42.412396] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.413256] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.414225] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.415188] ? irqentry_exit+0xf3/0x650 [ 42.415953] do_syscall_64+0xbf/0x430 [ 42.416652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.417594] RIP: 0033:0x7fed36bf45cd [ 42.418294] 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 [ 42.421616] RSP: 002b:00007ffdfbc43e50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.422984] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed36bf45cd [ 42.424291] RDX: 000055ae079cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.425679] RBP: 00007ffdfbc43eb0 R08: 0000000000000000 R09: 00007ffdfbc43550 [ 42.426998] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ae324c9ad0 [ 42.428306] R13: 00007ffdfbc442e0 R14: 000055ae324cabc0 R15: 000055ae324db780 [ 42.429613] [ 42.430147] irq event stamp: 1771 [ 42.430845] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.432397] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.433912] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 42.435461] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 42.436838] ---[ end trace 0000000000000000 ]--- [ 43.196521] ------------[ cut here ]------------ [ 43.197441] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.199439] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.200933] Modules linked in: [ 43.201521] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.203719] Tainted: [W]=WARN [ 43.204333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.205818] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.206695] 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 [ 43.209864] RSP: 0018:ffff8880195bfbc0 EFLAGS: 00010286 [ 43.210830] RAX: 0000000000000000 RBX: ffffed10032b7f78 RCX: ffffffff813a4050 [ 43.212131] RDX: ffff8880164a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.213418] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032b7f2f [ 43.214705] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.215996] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195bfdf8 [ 43.217283] FS: 00007f67d0060900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.218721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.219807] CR2: 00007ffd026f5ef8 CR3: 000000000e708000 CR4: 0000000000350ef0 [ 43.221089] Call Trace: [ 43.221544] [ 43.221999] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.222885] ? __create_object+0x59/0x80 [ 43.223624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.224591] __vmalloc_noprof+0x59/0x60 [ 43.225341] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.226212] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.227138] bpf_prog_alloc+0x39/0x200 [ 43.227873] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.228752] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.229659] do_seccomp+0x349/0x25e0 [ 43.230387] ? find_held_lock+0x2b/0x80 [ 43.231153] ? do_prlimit+0x310/0x610 [ 43.231901] ? __pfx_do_seccomp+0x10/0x10 [ 43.232637] ? do_raw_spin_unlock+0x53/0x220 [ 43.233472] ? _raw_spin_unlock+0x1e/0x40 [ 43.234237] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.235203] ? static_key_count+0x60/0x80 [ 43.236018] prctl_set_seccomp+0x4e/0x70 [ 43.236757] __do_sys_prctl+0xe6c/0x1d70 [ 43.237548] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.238387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.239343] ? irqentry_exit+0xf3/0x650 [ 43.240110] do_syscall_64+0xbf/0x430 [ 43.240849] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.241735] RIP: 0033:0x7f67d05525cd [ 43.242427] 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 [ 43.245599] RSP: 002b:00007ffd026f33c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.246971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67d05525cd [ 43.248270] RDX: 0000561863404e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.249541] RBP: 00007ffd026f3420 R08: 0000000000000000 R09: 00007ffd026f2ac0 [ 43.250819] R10: 0000000000000000 R11: 0000000000000246 R12: 000056189a135ad0 [ 43.252096] R13: 00007ffd026f3850 R14: 000056189a136bc0 R15: 000056189a147780 [ 43.253394] [ 43.253861] irq event stamp: 1799 [ 43.254470] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 43.255988] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 43.257500] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 43.259019] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 43.260543] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20970' (ECDSA) to the list of known hosts. 2025/11/18 21:11:19 fuzzer started 2025/11/18 21:11:19 dialing manager at localhost:34383 2025/11/18 21:11:19 checking machine... 2025/11/18 21:11:19 checking revisions... [ 44.216632] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:11:19 testing simple program... [ 44.293107] cgroup: Unknown subsys name 'net' [ 44.349003] cgroup: Unknown subsys name 'cpuset' [ 44.363644] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:11:18 Registers: info registers vcpu 0 RAX=0000000000048f05 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 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=00007fee40191000 CR3=000000000d09a000 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=31313a313220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3234325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383538 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=0000000000000000 RBX=0000000000000000 RCX=ffffffff812d0425 RDX=ffff88800a928000 RSI=ffffffff812d042e RDI=0000000000000001 RBP=ffff88800a929700 RSP=ffff888016b6fec0 R8 =0000000000000000 R9 =ffffed1001525000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000007 R13=00007fed3727431c R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81751e08 RFL=00000046 [---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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fed36702900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fed3727431c CR3=000000001e44c000 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=6720646572637465733a4d41503d706f 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