Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.249683] ------------[ cut here ]------------ [ 39.250612] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.252632] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 39.254076] Modules linked in: [ 39.254717] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.256725] Tainted: [W]=WARN [ 39.257317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.258792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.259717] 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 [ 39.262920] RSP: 0018:ffff88800f147bc0 EFLAGS: 00010286 [ 39.263908] RAX: 0000000000000000 RBX: ffffed1001e28f78 RCX: ffffffff813a4050 [ 39.265233] RDX: ffff88801aefd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.266521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e28f2f [ 39.267812] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.269118] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f147df8 [ 39.270407] FS: 00007f22f3de6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.271850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.272929] CR2: 00007f22f42d8580 CR3: 000000000e3c6000 CR4: 0000000000350ef0 [ 39.274219] Call Trace: [ 39.274727] [ 39.275133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.276040] ? __create_object+0x59/0x80 [ 39.276835] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.277819] __vmalloc_noprof+0x59/0x60 [ 39.278585] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.279463] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.280427] bpf_prog_alloc+0x39/0x200 [ 39.281126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.282059] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.282938] do_seccomp+0x349/0x25e0 [ 39.283661] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.284578] ? __pfx_do_seccomp+0x10/0x10 [ 39.285368] ? find_held_lock+0x2b/0x80 [ 39.286089] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.287050] ? static_key_count+0x60/0x80 [ 39.287864] prctl_set_seccomp+0x4e/0x70 [ 39.288645] __do_sys_prctl+0xe6c/0x1d70 [ 39.289436] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.290249] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.291222] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.292219] ? irqentry_exit+0xf3/0x650 [ 39.293007] do_syscall_64+0xbf/0x430 [ 39.293753] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.294709] RIP: 0033:0x7f22f42d85cd [ 39.295423] 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 [ 39.298609] RSP: 002b:00007ffd50b54680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.299998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f22f42d85cd [ 39.301322] RDX: 0000559ac01e6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.302613] RBP: 00007ffd50b546e0 R08: 0000000000000000 R09: 00007ffd50b53d80 [ 39.303885] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559af647fbf0 [ 39.305190] R13: 00007ffd50b54b10 R14: 0000559af6489380 R15: 0000559af6494460 [ 39.306492] [ 39.306922] irq event stamp: 1777 [ 39.307577] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 39.309126] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 39.310642] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 39.312209] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 39.313723] ---[ end trace 0000000000000000 ]--- [ 42.341776] ------------[ cut here ]------------ [ 42.342738] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.344823] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.346312] Modules linked in: [ 42.346914] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.348993] Tainted: [W]=WARN [ 42.349605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.351106] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.352044] 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 [ 42.355298] RSP: 0018:ffff88800f08fbc0 EFLAGS: 00010286 [ 42.356262] RAX: 0000000000000000 RBX: ffffed1001e11f78 RCX: ffffffff813a4050 [ 42.357617] RDX: ffff888016050000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.358928] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e11f2f [ 42.360245] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.361580] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f08fdf8 [ 42.362895] FS: 00007f14e02a8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.364380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.365466] CR2: 00007fffb7918ef8 CR3: 000000000db47000 CR4: 0000000000350ef0 [ 42.366783] Call Trace: [ 42.367256] [ 42.367714] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.368622] ? __create_object+0x59/0x80 [ 42.369401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.370372] __vmalloc_noprof+0x59/0x60 [ 42.371094] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.371959] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.372895] bpf_prog_alloc+0x39/0x200 [ 42.373624] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.374566] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.375473] do_seccomp+0x349/0x25e0 [ 42.376172] ? find_held_lock+0x2b/0x80 [ 42.376933] ? do_prlimit+0x310/0x610 [ 42.377660] ? __pfx_do_seccomp+0x10/0x10 [ 42.378457] ? do_raw_spin_unlock+0x53/0x220 [ 42.379235] ? _raw_spin_unlock+0x1e/0x40 [ 42.380024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.380987] ? static_key_count+0x60/0x80 [ 42.381780] prctl_set_seccomp+0x4e/0x70 [ 42.382570] __do_sys_prctl+0xe6c/0x1d70 [ 42.383362] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.384185] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.385158] ? irqentry_exit+0xf3/0x650 [ 42.385919] do_syscall_64+0xbf/0x430 [ 42.386647] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.387603] RIP: 0033:0x7f14e079a5cd [ 42.388333] 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 [ 42.391448] RSP: 002b:00007fffb79173c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.392814] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14e079a5cd [ 42.394075] RDX: 0000555caaaf7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.395356] RBP: 00007fffb7917420 R08: 0000000000000000 R09: 00007fffb7916ac0 [ 42.396648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555cc2b95ad0 [ 42.397921] R13: 00007fffb7917850 R14: 0000555cc2b96bc0 R15: 0000555cc2ba7780 [ 42.399228] [ 42.399697] irq event stamp: 1873 [ 42.400348] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 42.401882] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 42.403397] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 42.404964] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 42.406502] ---[ end trace 0000000000000000 ]--- [ 43.223921] ------------[ cut here ]------------ [ 43.224931] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.227060] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.228687] Modules linked in: [ 43.229369] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.231505] Tainted: [W]=WARN [ 43.232097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.233678] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.234646] 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 [ 43.238028] RSP: 0018:ffff888016d67bc0 EFLAGS: 00010286 [ 43.239090] RAX: 0000000000000000 RBX: ffffed1002dacf78 RCX: ffffffff813a4050 [ 43.240492] RDX: ffff888017765340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.241875] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dacf2f [ 43.243258] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.244685] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d67df8 [ 43.246063] FS: 00007f0d8d162900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.247612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.248773] CR2: 00007f0d8d654580 CR3: 00000000161b0000 CR4: 0000000000350ef0 [ 43.250176] Call Trace: [ 43.250733] [ 43.251183] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.252183] ? __create_object+0x59/0x80 [ 43.253038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.254107] __vmalloc_noprof+0x59/0x60 [ 43.254941] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.255896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.256922] bpf_prog_alloc+0x39/0x200 [ 43.257719] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.258731] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.259721] do_seccomp+0x349/0x25e0 [ 43.260530] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.261518] ? __pfx_do_seccomp+0x10/0x10 [ 43.262402] ? find_held_lock+0x2b/0x80 [ 43.263193] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.264265] ? static_key_count+0x60/0x80 [ 43.265135] prctl_set_seccomp+0x4e/0x70 [ 43.265989] __do_sys_prctl+0xe6c/0x1d70 [ 43.266864] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.267808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.268880] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.269960] ? irqentry_exit+0xf3/0x650 [ 43.270811] do_syscall_64+0xbf/0x430 [ 43.271625] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.272693] RIP: 0033:0x7f0d8d6545cd [ 43.273479] 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 [ 43.277021] RSP: 002b:00007ffce16610f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.278554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0d8d6545cd [ 43.279990] RDX: 0000556ed43abe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.281424] RBP: 00007ffce1661150 R08: 0000000000000000 R09: 00007ffce16607f0 [ 43.282857] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556efe8062b0 [ 43.284304] R13: 00007ffce1661580 R14: 0000556efe808d20 R15: 0000556efe81a8d0 [ 43.285765] [ 43.286238] irq event stamp: 1747 [ 43.286967] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 43.288700] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 43.290193] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 43.291676] softirqs last disabled at (1605): [] __irq_exit_rcu+0xc4/0x100 [ 43.293137] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36535' (ECDSA) to the list of known hosts. 2025/11/17 21:17:24 fuzzer started 2025/11/17 21:17:24 dialing manager at localhost:37895 2025/11/17 21:17:24 checking machine... 2025/11/17 21:17:24 checking revisions... [ 44.376410] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:17:24 testing simple program... [ 44.465085] cgroup: Unknown subsys name 'net' [ 44.528611] cgroup: Unknown subsys name 'cpuset' [ 44.543139] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:17:23 Registers: info registers vcpu 0 RAX=ffffffff81b2a134 RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff85e1ffe0 RDI=ffffffff81b2a134 RBP=ffff8880096278d8 RSP=ffff888009627840 R8 =ffffffff86ab82c2 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255cb R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888008c4b780 RIP=ffffffff812dfbfc RFL=00000246 [---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 =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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f14e085d650 CR3=000000000b7e8000 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=0000000000000001 RBX=ffff8880e548f000 RCX=4b952e4da9267483 RDX=0000000000000000 RSI=000000005e406224 RDI=ffff88806cf31cd0 RBP=ffff888016f678e0 RSP=ffff888016f67808 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888016f678d0 R14=ffff888016053780 R15=ffff888016f67888 RIP=ffffffff815bcfbd RFL=00000202 [-------] 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 00007f14e02a8900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f14e085f618 CR3=000000000b7e8000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000