Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.073035] ------------[ cut here ]------------ [ 39.074139] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.076555] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.078250] Modules linked in: [ 39.078990] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.081291] Tainted: [W]=WARN [ 39.081974] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.083653] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.084726] 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 [ 39.088359] RSP: 0018:ffff88801b377bc0 EFLAGS: 00010286 [ 39.089482] RAX: 0000000000000000 RBX: ffffed100366ef78 RCX: ffffffff813a4050 [ 39.090977] RDX: ffff888015da9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.092465] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100366ef2f [ 39.093955] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.095419] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b377df8 [ 39.096911] FS: 00007f227b796900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.098567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.099801] CR2: 00007f227bc88580 CR3: 000000000d533000 CR4: 0000000000350ef0 [ 39.101334] Call Trace: [ 39.101874] [ 39.102395] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.103447] ? __create_object+0x59/0x80 [ 39.104296] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.105462] __vmalloc_noprof+0x59/0x60 [ 39.106280] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.107293] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.108428] bpf_prog_alloc+0x39/0x200 [ 39.109225] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.110293] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.111356] do_seccomp+0x349/0x25e0 [ 39.112129] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.113178] ? __pfx_do_seccomp+0x10/0x10 [ 39.114078] ? find_held_lock+0x2b/0x80 [ 39.114943] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.116046] ? static_key_count+0x60/0x80 [ 39.116983] prctl_set_seccomp+0x4e/0x70 [ 39.117866] __do_sys_prctl+0xe6c/0x1d70 [ 39.118754] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.119727] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.120831] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.121939] ? irqentry_exit+0xf3/0x650 [ 39.122828] do_syscall_64+0xbf/0x430 [ 39.123682] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.124796] RIP: 0033:0x7f227bc885cd [ 39.125614] 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 [ 39.129275] RSP: 002b:00007ffcb69a5b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.130860] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f227bc885cd [ 39.132344] RDX: 00005621a3e69e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.133811] RBP: 00007ffcb69a5b70 R08: 0000000000000000 R09: 00007ffcb69a5210 [ 39.135275] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621a84b8ad0 [ 39.136760] R13: 00007ffcb69a5fa0 R14: 00005621a84b9bc0 R15: 00005621a84ca780 [ 39.138113] [ 39.138567] irq event stamp: 1763 [ 39.139168] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.140671] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.142150] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 39.143672] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 39.145166] ---[ end trace 0000000000000000 ]--- [ 42.612680] ------------[ cut here ]------------ [ 42.613623] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.615626] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.617100] Modules linked in: [ 42.617778] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.619740] Tainted: [W]=WARN [ 42.620284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.621774] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.622696] 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 [ 42.625848] RSP: 0018:ffff888018c7fbc0 EFLAGS: 00010286 [ 42.626835] RAX: 0000000000000000 RBX: ffffed100318ff78 RCX: ffffffff813a4050 [ 42.628092] RDX: ffff888019009bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.629379] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100318ff2f [ 42.630653] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.631924] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018c7fdf8 [ 42.633207] FS: 00007f8f1c65d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.634633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.635694] CR2: 00007ffe2a409ef8 CR3: 000000001fb93000 CR4: 0000000000350ef0 [ 42.637002] Call Trace: [ 42.637510] [ 42.637923] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.638810] ? __create_object+0x59/0x80 [ 42.639595] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.640575] __vmalloc_noprof+0x59/0x60 [ 42.641278] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.642155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.643081] bpf_prog_alloc+0x39/0x200 [ 42.643807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.644742] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.645636] do_seccomp+0x349/0x25e0 [ 42.646354] ? find_held_lock+0x2b/0x80 [ 42.647061] ? do_prlimit+0x310/0x610 [ 42.647798] ? __pfx_do_seccomp+0x10/0x10 [ 42.648614] ? do_raw_spin_unlock+0x53/0x220 [ 42.649436] ? _raw_spin_unlock+0x1e/0x40 [ 42.650179] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.651145] ? static_key_count+0x60/0x80 [ 42.651954] prctl_set_seccomp+0x4e/0x70 [ 42.652737] __do_sys_prctl+0xe6c/0x1d70 [ 42.653526] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.654398] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.655356] ? irqentry_exit+0xf3/0x650 [ 42.656073] do_syscall_64+0xbf/0x430 [ 42.656824] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.657781] RIP: 0033:0x7f8f1cb4f5cd [ 42.658476] 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 [ 42.661619] RSP: 002b:00007ffe2a408a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.662967] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f1cb4f5cd [ 42.664238] RDX: 0000559e15499e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.665527] RBP: 00007ffe2a408ad0 R08: 0000000000000000 R09: 00007ffe2a408170 [ 42.666801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559e53dcaad0 [ 42.668063] R13: 00007ffe2a408f00 R14: 0000559e53dcbbc0 R15: 0000559e53ddc780 [ 42.669366] [ 42.669785] irq event stamp: 1759 [ 42.670441] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 42.671980] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.673515] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 42.675044] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 42.676557] ---[ end trace 0000000000000000 ]--- [ 43.563502] ------------[ cut here ]------------ [ 43.564589] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.566889] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.568581] Modules linked in: [ 43.569209] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.571299] Tainted: [W]=WARN [ 43.571926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.573488] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.574551] 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 [ 43.578223] RSP: 0018:ffff88800f3a7bc0 EFLAGS: 00010286 [ 43.579360] RAX: 0000000000000000 RBX: ffffed1001e74f78 RCX: ffffffff813a4050 [ 43.580859] RDX: ffff88801719d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.582350] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e74f2f [ 43.583834] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.585345] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3a7df8 [ 43.586831] FS: 00007f1a4d064900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.588521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.589754] CR2: 00007f1a4d556580 CR3: 00000000191f0000 CR4: 0000000000350ef0 [ 43.591234] Call Trace: [ 43.591823] [ 43.592296] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.593390] ? __create_object+0x59/0x80 [ 43.594232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.595360] __vmalloc_noprof+0x59/0x60 [ 43.596181] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.597220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.598330] bpf_prog_alloc+0x39/0x200 [ 43.599124] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.600195] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.601262] do_seccomp+0x349/0x25e0 [ 43.602090] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.603137] ? __pfx_do_seccomp+0x10/0x10 [ 43.604062] ? find_held_lock+0x2b/0x80 [ 43.604967] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.606086] ? static_key_count+0x60/0x80 [ 43.606995] prctl_set_seccomp+0x4e/0x70 [ 43.607864] __do_sys_prctl+0xe6c/0x1d70 [ 43.608765] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.609722] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.610811] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.611900] ? irqentry_exit+0xf3/0x650 [ 43.612773] do_syscall_64+0xbf/0x430 [ 43.613611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.614681] RIP: 0033:0x7f1a4d5565cd [ 43.615468] 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 [ 43.619021] RSP: 002b:00007ffeb2804680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.620560] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a4d5565cd [ 43.621995] RDX: 000055c273719e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.623428] RBP: 00007ffeb28046e0 R08: 0000000000000000 R09: 00007ffeb2803d80 [ 43.624890] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2a38ecad0 [ 43.626349] R13: 00007ffeb2804b10 R14: 000055c2a38edbc0 R15: 000055c2a38fe780 [ 43.627806] [ 43.628281] irq event stamp: 1721 [ 43.629036] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 43.630484] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 43.631884] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 43.633322] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 43.634705] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40854' (ECDSA) to the list of known hosts. 2025/11/18 06:20:27 fuzzer started 2025/11/18 06:20:28 dialing manager at localhost:37895 2025/11/18 06:20:28 checking machine... 2025/11/18 06:20:28 checking revisions... [ 44.561634] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:20:28 testing simple program... [ 44.657471] cgroup: Unknown subsys name 'net' [ 44.724002] cgroup: Unknown subsys name 'cpuset' [ 44.735507] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:20:27 Registers: info registers vcpu 0 RAX=ffffffff87ce3608 RBX=ffff888013e3d340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888013e3dd98 RDI=ffff888013e3dd98 RBP=ffff888013e3dd98 RSP=ffff888018c6f410 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888013e3dd98 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8152757d RFL=00000082 [--S----] 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 00007f8f1c65d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8f1cc12650 CR3=000000001fad7000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff8135e4a9 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88801604f010 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000022fe2 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88801604f0f8 RIP=ffffffff81529235 RFL=00000282 [--S----] 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 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=00007f9d48c2c028 CR3=00000000200b3000 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=756e696c2d34365f3638782f62696c2f XMM01=6f732e616d7a6c62696c2f756e672d78 XMM02=00352e6f732e616d7a6c62696c2f756e XMM03=672d78756e696c2d34365f3638782f62 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000