Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.761894] ------------[ cut here ]------------ [ 45.762827] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.764851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 45.766319] Modules linked in: [ 45.766946] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.769016] Tainted: [W]=WARN [ 45.769638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.771112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.772053] 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 [ 45.775277] RSP: 0018:ffff88801738fbc0 EFLAGS: 00010286 [ 45.776268] RAX: 0000000000000000 RBX: ffffed1002e71f78 RCX: ffffffff813a4050 [ 45.777567] RDX: ffff888019e19bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.778868] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e71f2f [ 45.780167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.781461] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801738fdf8 [ 45.782764] FS: 00007fa4f9ddf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.784223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.785276] CR2: 00007fa4fa3454a6 CR3: 000000000be83000 CR4: 0000000000350ef0 [ 45.786583] Call Trace: [ 45.787043] [ 45.787492] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.788405] ? __create_object+0x59/0x80 [ 45.789158] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.790134] __vmalloc_noprof+0x59/0x60 [ 45.790909] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.791802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.792734] bpf_prog_alloc+0x39/0x200 [ 45.793474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.794425] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.795278] do_seccomp+0x349/0x25e0 [ 45.796011] ? find_held_lock+0x2b/0x80 [ 45.796764] ? do_prlimit+0x310/0x610 [ 45.797490] ? __pfx_do_seccomp+0x10/0x10 [ 45.798224] ? do_raw_spin_unlock+0x53/0x220 [ 45.799057] ? _raw_spin_unlock+0x1e/0x40 [ 45.799853] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.800812] ? static_key_count+0x60/0x80 [ 45.801627] prctl_set_seccomp+0x4e/0x70 [ 45.802410] __do_sys_prctl+0xe6c/0x1d70 [ 45.803140] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.804010] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.804987] ? irqentry_exit+0xf3/0x650 [ 45.805756] do_syscall_64+0xbf/0x430 [ 45.806503] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.807451] RIP: 0033:0x7fa4fa2d15cd [ 45.808117] 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 [ 45.811327] RSP: 002b:00007ffcea622060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.812770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4fa2d15cd [ 45.814072] RDX: 000055f7608a7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.815385] RBP: 00007ffcea6220c0 R08: 0000000000000000 R09: 00007ffcea621760 [ 45.816692] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f776753bf0 [ 45.817988] R13: 00007ffcea6224f0 R14: 000055f77675d380 R15: 000055f776768460 [ 45.819290] [ 45.819761] irq event stamp: 1789 [ 45.820437] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 45.821983] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 45.823522] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 45.825102] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 45.826641] ---[ end trace 0000000000000000 ]--- [ 49.257174] ------------[ cut here ]------------ [ 49.257936] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.259674] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.260886] Modules linked in: [ 49.261414] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.263093] Tainted: [W]=WARN [ 49.263596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.264862] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.265683] 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 [ 49.268404] RSP: 0018:ffff888007297bc0 EFLAGS: 00010286 [ 49.269206] RAX: 0000000000000000 RBX: ffffed1000e52f78 RCX: ffffffff813a4050 [ 49.270299] RDX: ffff888013bf0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.271386] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000e52f2f [ 49.272500] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.273604] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888007297df8 [ 49.274703] FS: 00007fb0357c2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.275949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.276864] CR2: 00007fb035cb4580 CR3: 0000000020450000 CR4: 0000000000350ef0 [ 49.277970] Call Trace: [ 49.278413] [ 49.278766] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.279528] ? __create_object+0x59/0x80 [ 49.280175] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.281013] __vmalloc_noprof+0x59/0x60 [ 49.281656] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.282398] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.283197] bpf_prog_alloc+0x39/0x200 [ 49.283982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.284825] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.285656] do_seccomp+0x349/0x25e0 [ 49.286255] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.287051] ? __pfx_do_seccomp+0x10/0x10 [ 49.287744] ? find_held_lock+0x2b/0x80 [ 49.288436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.289259] ? static_key_count+0x60/0x80 [ 49.289960] prctl_set_seccomp+0x4e/0x70 [ 49.290659] __do_sys_prctl+0xe6c/0x1d70 [ 49.291292] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.292045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.292877] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.293772] ? irqentry_exit+0xf3/0x650 [ 49.294419] do_syscall_64+0xbf/0x430 [ 49.295011] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.295832] RIP: 0033:0x7fb035cb45cd [ 49.296440] 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 [ 49.299157] RSP: 002b:00007ffeff3a3000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.300338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb035cb45cd [ 49.301449] RDX: 0000558298fbee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.302549] RBP: 00007ffeff3a3060 R08: 0000000000000000 R09: 00007ffeff3a2700 [ 49.303643] R10: 0000000000000000 R11: 0000000000000246 R12: 00005582b64e12b0 [ 49.304752] R13: 00007ffeff3a3490 R14: 00005582b64e3d20 R15: 00005582b64f58d0 [ 49.305869] [ 49.306231] irq event stamp: 1695 [ 49.306780] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 49.308106] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 49.309413] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 49.310730] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 49.312041] ---[ end trace 0000000000000000 ]--- [ 50.095913] ------------[ cut here ]------------ [ 50.096848] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.098831] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.100294] Modules linked in: [ 50.100934] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.103154] Tainted: [W]=WARN [ 50.104030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.105535] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.106456] 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 [ 50.109601] RSP: 0018:ffff888019e87bc0 EFLAGS: 00010286 [ 50.110572] RAX: 0000000000000000 RBX: ffffed10033d0f78 RCX: ffffffff813a4050 [ 50.111871] RDX: ffff88800f149bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.113146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033d0f2f [ 50.114459] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.115799] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e87df8 [ 50.117115] FS: 00007f7df9dc8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.118545] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.119616] CR2: 00007ffe3ffb7ef8 CR3: 00000000205b9000 CR4: 0000000000350ef0 [ 50.120911] Call Trace: [ 50.121425] [ 50.121830] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.122734] ? __create_object+0x59/0x80 [ 50.123511] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.124502] __vmalloc_noprof+0x59/0x60 [ 50.125232] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.126128] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.127066] bpf_prog_alloc+0x39/0x200 [ 50.127816] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.128765] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.129662] do_seccomp+0x349/0x25e0 [ 50.130329] ? find_held_lock+0x2b/0x80 [ 50.131083] ? do_prlimit+0x310/0x610 [ 50.131834] ? __pfx_do_seccomp+0x10/0x10 [ 50.132623] ? do_raw_spin_unlock+0x53/0x220 [ 50.133473] ? _raw_spin_unlock+0x1e/0x40 [ 50.134226] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.135196] ? static_key_count+0x60/0x80 [ 50.135998] prctl_set_seccomp+0x4e/0x70 [ 50.136785] __do_sys_prctl+0xe6c/0x1d70 [ 50.137574] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.138439] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.139418] ? irqentry_exit+0xf3/0x650 [ 50.140141] do_syscall_64+0xbf/0x430 [ 50.140884] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.141829] RIP: 0033:0x7f7dfa2ba5cd [ 50.142531] 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 [ 50.145707] RSP: 002b:00007ffe3ffb5e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.147067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7dfa2ba5cd [ 50.148374] RDX: 0000559d7234fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.149665] RBP: 00007ffe3ffb5e70 R08: 0000000000000000 R09: 00007ffe3ffb5510 [ 50.150956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559da9675ad0 [ 50.152260] R13: 00007ffe3ffb62a0 R14: 0000559da9676bc0 R15: 0000559da9687780 [ 50.153541] [ 50.153967] irq event stamp: 1799 [ 50.154610] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 50.156128] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 50.157632] softirqs last enabled at (1336): [] handle_softirqs+0x50c/0x770 [ 50.159178] softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100 [ 50.160735] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40662' (ECDSA) to the list of known hosts. 2025/11/19 02:04:02 fuzzer started 2025/11/19 02:04:02 dialing manager at localhost:34383 2025/11/19 02:04:02 checking machine... 2025/11/19 02:04:02 checking revisions... [ 51.049453] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:04:02 testing simple program... [ 51.126566] cgroup: Unknown subsys name 'net' [ 51.190915] cgroup: Unknown subsys name 'cpuset' [ 51.215327] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:04:01 Registers: info registers vcpu 0 RAX=0000000046715320 RBX=000000008622b2a7 RCX=ffff88800f4d81e0 RDX=000000000000000b RSI=0000000031d53ed3 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff888015817758 R8 =00000000911edb83 R9 =ffff88806bdb2a70 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000cc0 R14=ffff8880158177c0 R15=000000000000000b RIP=ffffffff82642ba6 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 00007ff5db575900 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=00007ff5dac8c000 CR3=000000000d303000 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=1d4d28d1b57b145800000000000ae988 XMM05=782b9a76694c5e7c0000000000320f60 XMM06=07c8bb74b6c04a44000000000031fd58 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff8135e4a9 RBX=0000000000000001 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888013b275b0 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000266cc R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888013b27660 RIP=ffffffff8152922a 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 00007fb0357c2900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeff39d000 CR3=00000000204e8000 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