Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.108579] ------------[ cut here ]------------ [ 39.109495] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.111924] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.113409] Modules linked in: [ 39.114097] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.116233] Tainted: [W]=WARN [ 39.116802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.118547] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.119621] 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 [ 39.122850] RSP: 0018:ffff88801ac8fbc0 EFLAGS: 00010286 [ 39.123914] RAX: 0000000000000000 RBX: ffffed1003591f78 RCX: ffffffff813a4050 [ 39.125296] RDX: ffff888016b51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.126618] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003591f2f [ 39.128012] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.129355] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac8fdf8 [ 39.130672] FS: 00007f186eee9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.132195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.133303] CR2: 00007fff7ea13ef8 CR3: 000000000d268000 CR4: 0000000000350ef0 [ 39.134618] Call Trace: [ 39.135151] [ 39.135597] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.136537] ? __create_object+0x59/0x80 [ 39.137367] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.138347] __vmalloc_noprof+0x59/0x60 [ 39.139178] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.140119] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.141055] bpf_prog_alloc+0x39/0x200 [ 39.141769] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.142731] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.143732] do_seccomp+0x349/0x25e0 [ 39.144459] ? find_held_lock+0x2b/0x80 [ 39.145232] ? do_prlimit+0x310/0x610 [ 39.145956] ? __pfx_do_seccomp+0x10/0x10 [ 39.146747] ? do_raw_spin_unlock+0x53/0x220 [ 39.147597] ? _raw_spin_unlock+0x1e/0x40 [ 39.148367] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.149336] ? static_key_count+0x60/0x80 [ 39.150141] prctl_set_seccomp+0x4e/0x70 [ 39.150872] __do_sys_prctl+0xe6c/0x1d70 [ 39.151667] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.152534] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.153507] ? irqentry_exit+0xf3/0x650 [ 39.154287] do_syscall_64+0xbf/0x430 [ 39.155027] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.156005] RIP: 0033:0x7f186f3db5cd [ 39.156680] 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 [ 39.159858] RSP: 002b:00007fff7ea124f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.161178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f186f3db5cd [ 39.162428] RDX: 0000558141a8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.163688] RBP: 00007fff7ea12550 R08: 0000000000000000 R09: 00007fff7ea11bf0 [ 39.164945] R10: 0000000000000000 R11: 0000000000000246 R12: 000055816e9e9ad0 [ 39.166222] R13: 00007fff7ea12980 R14: 000055816e9eabc0 R15: 000055816e9fb780 [ 39.167496] [ 39.167909] irq event stamp: 1843 [ 39.168524] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 39.170004] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 39.171533] softirqs last enabled at (1880): [] handle_softirqs+0x50c/0x770 [ 39.173043] softirqs last disabled at (1871): [] __irq_exit_rcu+0xc4/0x100 [ 39.174534] ---[ end trace 0000000000000000 ]--- [ 42.372037] ------------[ cut here ]------------ [ 42.373034] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.374730] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.375939] Modules linked in: [ 42.376498] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.378293] Tainted: [W]=WARN [ 42.378917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.380401] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.381221] 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 [ 42.384043] RSP: 0018:ffff888016d3fbc0 EFLAGS: 00010286 [ 42.385076] RAX: 0000000000000000 RBX: ffffed1002da7f78 RCX: ffffffff813a4050 [ 42.386294] RDX: ffff88800ac21bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.387409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da7f2f [ 42.388520] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.389711] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d3fdf8 [ 42.390792] FS: 00007fae29340900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.392015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.392875] CR2: 00007ffef233bef8 CR3: 000000000e46d000 CR4: 0000000000350ef0 [ 42.393939] Call Trace: [ 42.394352] [ 42.394704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.395457] ? __create_object+0x59/0x80 [ 42.396111] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.396882] __vmalloc_noprof+0x59/0x60 [ 42.397508] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.398260] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.399035] bpf_prog_alloc+0x39/0x200 [ 42.399634] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.400414] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.401169] do_seccomp+0x349/0x25e0 [ 42.401744] ? find_held_lock+0x2b/0x80 [ 42.402383] ? do_prlimit+0x310/0x610 [ 42.403017] ? __pfx_do_seccomp+0x10/0x10 [ 42.403660] ? do_raw_spin_unlock+0x53/0x220 [ 42.404342] ? _raw_spin_unlock+0x1e/0x40 [ 42.404930] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.405687] ? static_key_count+0x60/0x80 [ 42.406324] prctl_set_seccomp+0x4e/0x70 [ 42.406910] __do_sys_prctl+0xe6c/0x1d70 [ 42.407543] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.408231] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.409009] ? irqentry_exit+0xf3/0x650 [ 42.409588] do_syscall_64+0xbf/0x430 [ 42.410170] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.410892] RIP: 0033:0x7fae298325cd [ 42.411461] 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 [ 42.413989] RSP: 002b:00007ffef2339f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.415059] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae298325cd [ 42.416080] RDX: 000055e4b4967e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.417091] RBP: 00007ffef2339fb0 R08: 0000000000000000 R09: 00007ffef2339650 [ 42.418100] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4d936abf0 [ 42.419124] R13: 00007ffef233a3e0 R14: 000055e4d9374380 R15: 000055e4d937f460 [ 42.420163] [ 42.420501] irq event stamp: 1793 [ 42.421008] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.422225] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.423436] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.424676] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.425888] ---[ end trace 0000000000000000 ]--- [ 43.292194] ------------[ cut here ]------------ [ 43.293184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.295235] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.296725] Modules linked in: [ 43.297379] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.299395] Tainted: [W]=WARN [ 43.300008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.301484] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.302415] 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 [ 43.305614] RSP: 0018:ffff888016437bc0 EFLAGS: 00010286 [ 43.306602] RAX: 0000000000000000 RBX: ffffed1002c86f78 RCX: ffffffff813a4050 [ 43.307900] RDX: ffff888019961bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.309198] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c86f2f [ 43.310488] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.311811] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016437df8 [ 43.313105] FS: 00007f31527b5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.314583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.315676] CR2: 00007f3152ca7580 CR3: 000000001da83000 CR4: 0000000000350ef0 [ 43.316992] Call Trace: [ 43.317461] [ 43.317877] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.318802] ? __create_object+0x59/0x80 [ 43.319610] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.320583] __vmalloc_noprof+0x59/0x60 [ 43.321349] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.322261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.323221] bpf_prog_alloc+0x39/0x200 [ 43.323932] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.324869] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.325773] do_seccomp+0x349/0x25e0 [ 43.326491] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.327398] ? __pfx_do_seccomp+0x10/0x10 [ 43.328209] ? find_held_lock+0x2b/0x80 [ 43.328937] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.329907] ? static_key_count+0x60/0x80 [ 43.330716] prctl_set_seccomp+0x4e/0x70 [ 43.331504] __do_sys_prctl+0xe6c/0x1d70 [ 43.332277] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.333136] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.334109] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.335082] ? irqentry_exit+0xf3/0x650 [ 43.335814] do_syscall_64+0xbf/0x430 [ 43.336560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.337521] RIP: 0033:0x7f3152ca75cd [ 43.338225] 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 [ 43.341411] RSP: 002b:00007ffeb1f7a3e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.342771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3152ca75cd [ 43.344093] RDX: 000055b3360e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.345381] RBP: 00007ffeb1f7a440 R08: 0000000000000000 R09: 00007ffeb1f79ae0 [ 43.346671] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b36fc59bf0 [ 43.348009] R13: 00007ffeb1f7a870 R14: 000055b36fc63380 R15: 000055b36fc6e460 [ 43.349320] [ 43.349748] irq event stamp: 1747 [ 43.350390] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 43.351909] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 43.353443] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 43.354985] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 43.356471] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64082' (ECDSA) to the list of known hosts. 2025/11/19 05:50:22 fuzzer started 2025/11/19 05:50:23 dialing manager at localhost:34383 2025/11/19 05:50:23 checking machine... 2025/11/19 05:50:23 checking revisions... [ 44.245444] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:50:23 testing simple program... [ 44.321107] cgroup: Unknown subsys name 'net' [ 44.384928] cgroup: Unknown subsys name 'cpuset' [ 44.398421] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:50:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009627d50 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009627788 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000011d7b R12=ffffffff8135e7a2 R13=ffff888009627888 R14=ffff888009627d20 R15=ffff888009627840 RIP=ffffffff81528efc RFL=00000247 [---Z-PC] 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 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fae298f5650 CR3=000000000bcea000 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=ffffffff87ce3608 RBX=0000000000000200 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800ac25e10 RDI=ffff88800ac25340 RBP=ffff88800ac25340 RSP=ffff88806cf08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000003 R14=ffff88800ac25e10 R15=0000000000000003 RIP=ffffffff815265b7 RFL=00000006 [-----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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f18aa63a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3a451dc200 CR3=000000000e7ce000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a32363839352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323638 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000