Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.214486] ------------[ cut here ]------------ [ 39.215402] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.217419] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.218937] Modules linked in: [ 39.219545] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.221633] Tainted: [W]=WARN [ 39.222208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.223681] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.224539] 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 [ 39.227708] RSP: 0018:ffff88800ee4fbc0 EFLAGS: 00010286 [ 39.228688] RAX: 0000000000000000 RBX: ffffed1001dc9f78 RCX: ffffffff813a4050 [ 39.229976] RDX: ffff888016198000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.231236] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dc9f2f [ 39.232516] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.233802] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ee4fdf8 [ 39.235074] FS: 00007f537a66a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.236496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.237582] CR2: 00007ffcd5b2eef8 CR3: 000000000f651000 CR4: 0000000000350ef0 [ 39.238869] Call Trace: [ 39.239338] [ 39.239796] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.240680] ? __create_object+0x59/0x80 [ 39.241411] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.242452] __vmalloc_noprof+0x59/0x60 [ 39.243203] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.244084] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.245017] bpf_prog_alloc+0x39/0x200 [ 39.245760] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.246695] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.247605] do_seccomp+0x349/0x25e0 [ 39.248267] ? find_held_lock+0x2b/0x80 [ 39.249017] ? do_prlimit+0x310/0x610 [ 39.249769] ? __pfx_do_seccomp+0x10/0x10 [ 39.250491] ? do_raw_spin_unlock+0x53/0x220 [ 39.251323] ? _raw_spin_unlock+0x1e/0x40 [ 39.252108] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.253070] ? static_key_count+0x60/0x80 [ 39.253878] prctl_set_seccomp+0x4e/0x70 [ 39.254643] __do_sys_prctl+0xe6c/0x1d70 [ 39.255366] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.256228] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.257188] ? irqentry_exit+0xf3/0x650 [ 39.257972] do_syscall_64+0xbf/0x430 [ 39.258710] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.259652] RIP: 0033:0x7f537ab5c5cd [ 39.260315] 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 [ 39.263475] RSP: 002b:00007ffcd5b2c590 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.264823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f537ab5c5cd [ 39.266106] RDX: 00005654dfa93e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.267360] RBP: 00007ffcd5b2c5f0 R08: 0000000000000000 R09: 00007ffcd5b2bc90 [ 39.268623] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654f9aafad0 [ 39.269914] R13: 00007ffcd5b2ca20 R14: 00005654f9ab0bc0 R15: 00005654f9ac1780 [ 39.271209] [ 39.271666] irq event stamp: 1727 [ 39.272269] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 39.273780] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 39.275285] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 39.276823] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.278327] ---[ end trace 0000000000000000 ]--- [ 42.434353] ------------[ cut here ]------------ [ 42.435248] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.437199] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.438676] Modules linked in: [ 42.439255] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.441408] Tainted: [W]=WARN [ 42.442039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.443505] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.444408] 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 [ 42.447553] RSP: 0018:ffff88800a92fbc0 EFLAGS: 00010286 [ 42.448494] RAX: 0000000000000000 RBX: ffffed1001525f78 RCX: ffffffff813a4050 [ 42.449783] RDX: ffff888015e00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.451066] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001525f2f [ 42.452336] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.453606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a92fdf8 [ 42.454901] FS: 00007f703f516900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.456319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.457360] CR2: 00007f703fa08580 CR3: 000000000dc49000 CR4: 0000000000350ef0 [ 42.458652] Call Trace: [ 42.459112] [ 42.459512] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.460402] ? __create_object+0x59/0x80 [ 42.461172] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.462166] __vmalloc_noprof+0x59/0x60 [ 42.462924] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.463787] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.464707] bpf_prog_alloc+0x39/0x200 [ 42.465389] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.466339] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.467236] do_seccomp+0x349/0x25e0 [ 42.467952] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.468833] ? __pfx_do_seccomp+0x10/0x10 [ 42.469613] ? find_held_lock+0x2b/0x80 [ 42.470340] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.471303] ? static_key_count+0x60/0x80 [ 42.472084] prctl_set_seccomp+0x4e/0x70 [ 42.472861] __do_sys_prctl+0xe6c/0x1d70 [ 42.473638] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.474477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.475430] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.476379] ? irqentry_exit+0xf3/0x650 [ 42.477134] do_syscall_64+0xbf/0x430 [ 42.477909] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.478873] RIP: 0033:0x7f703fa085cd [ 42.479540] 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 [ 42.482832] RSP: 002b:00007ffce07bcc90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.484207] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f703fa085cd [ 42.485517] RDX: 000055e1e261de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.486863] RBP: 00007ffce07bccf0 R08: 0000000000000000 R09: 00007ffce07bc390 [ 42.488159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e213ee2bf0 [ 42.489455] R13: 00007ffce07bd120 R14: 000055e213eec380 R15: 000055e213ef7460 [ 42.490811] [ 42.491243] irq event stamp: 1773 [ 42.491903] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 42.493442] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.494947] softirqs last enabled at (1376): [] handle_softirqs+0x50c/0x770 [ 42.495941] softirqs last disabled at (1371): [] __irq_exit_rcu+0xc4/0x100 [ 42.496910] ---[ end trace 0000000000000000 ]--- [ 43.289900] ------------[ cut here ]------------ [ 43.290853] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.292836] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.294314] Modules linked in: [ 43.294957] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.296957] Tainted: [W]=WARN [ 43.297515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.299000] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.299936] 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 [ 43.303105] RSP: 0018:ffff88800edffbc0 EFLAGS: 00010286 [ 43.304097] RAX: 0000000000000000 RBX: ffffed1001dbff78 RCX: ffffffff813a4050 [ 43.305398] RDX: ffff888013f29bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.306708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dbff2f [ 43.308016] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.309316] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800edffdf8 [ 43.310630] FS: 00007fe3a0a46900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.312087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.313161] CR2: 00007fe3a0f38580 CR3: 000000000f6c2000 CR4: 0000000000350ef0 [ 43.314497] Call Trace: [ 43.314997] [ 43.315412] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.316323] ? __create_object+0x59/0x80 [ 43.317127] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.318124] __vmalloc_noprof+0x59/0x60 [ 43.318904] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.319792] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.320728] bpf_prog_alloc+0x39/0x200 [ 43.321421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.322377] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.323287] do_seccomp+0x349/0x25e0 [ 43.324006] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.324929] ? __pfx_do_seccomp+0x10/0x10 [ 43.325746] ? find_held_lock+0x2b/0x80 [ 43.326481] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.327468] ? static_key_count+0x60/0x80 [ 43.328260] prctl_set_seccomp+0x4e/0x70 [ 43.329053] __do_sys_prctl+0xe6c/0x1d70 [ 43.329853] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.330726] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.331702] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.332675] ? irqentry_exit+0xf3/0x650 [ 43.333411] do_syscall_64+0xbf/0x430 [ 43.334184] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.335143] RIP: 0033:0x7fe3a0f385cd [ 43.335862] 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 [ 43.339093] RSP: 002b:00007ffc3fc2dc40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.340450] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3a0f385cd [ 43.341761] RDX: 000055942a69ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.343060] RBP: 00007ffc3fc2dca0 R08: 0000000000000000 R09: 00007ffc3fc2d340 [ 43.344352] R10: 0000000000000000 R11: 0000000000000246 R12: 000055943b21b2b0 [ 43.345653] R13: 00007ffc3fc2e0d0 R14: 000055943b21dd20 R15: 000055943b22f8d0 [ 43.346988] [ 43.347420] irq event stamp: 1723 [ 43.348074] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 43.349620] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 43.351177] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.352738] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 43.354274] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35293' (ECDSA) to the list of known hosts. 2025/11/18 16:06:30 fuzzer started 2025/11/18 16:06:31 dialing manager at localhost:34383 2025/11/18 16:06:31 checking machine... 2025/11/18 16:06:31 checking revisions... [ 44.255648] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:06:31 testing simple program... [ 44.354176] cgroup: Unknown subsys name 'net' [ 44.420787] cgroup: Unknown subsys name 'cpuset' [ 44.435352] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:06:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880e538f000 RCX=ffffffff86ab8454 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffff888015880000 RSP=ffff88806ce089d0 R8 =ffffffff86ab8458 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000255cb R12=ffff88806ce08a01 R13=ffff88806ce08a98 R14=ffff8880158878c0 R15=ffff88806ce08a50 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 00007f5d45a2f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5d45147030 CR3=000000000d405000 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=5acc2ef3610a965c00000000000ae988 XMM05=331b76c2e09552f90000000000321ce8 XMM06=14648eaa1277bab10000000000320b80 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff88944c20 RBX=ffff88801a940000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88800b9b5210 RBP=ffff88800b9b5210 RSP=ffff888015d7f800 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 RFL=00000002 [-------] 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 00007f703f516900 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=00007ffce07b6000 CR3=0000000020159000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000