Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.199616] ------------[ cut here ]------------ [ 46.200526] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.202542] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.203994] Modules linked in: [ 46.204856] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.206985] Tainted: [W]=WARN [ 46.207595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.209106] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.210040] 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 [ 46.213239] RSP: 0018:ffff8880195ffbc0 EFLAGS: 00010286 [ 46.214217] RAX: 0000000000000000 RBX: ffffed10032bff78 RCX: ffffffff813a4050 [ 46.215515] RDX: ffff888015c7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.216810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032bff2f [ 46.218108] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.219379] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195ffdf8 [ 46.220684] FS: 00007f19eec01900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.222139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.223204] CR2: 00007f19ef0f3580 CR3: 000000000d7c8000 CR4: 0000000000350ef0 [ 46.224485] Call Trace: [ 46.224956] [ 46.225413] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.226265] ? __create_object+0x59/0x80 [ 46.227062] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.228040] __vmalloc_noprof+0x59/0x60 [ 46.228796] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.229699] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.230644] bpf_prog_alloc+0x39/0x200 [ 46.231491] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.232651] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.233614] do_seccomp+0x349/0x25e0 [ 46.234374] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.235265] ? __pfx_do_seccomp+0x10/0x10 [ 46.236124] ? find_held_lock+0x2b/0x80 [ 46.236952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.237996] ? static_key_count+0x60/0x80 [ 46.238861] prctl_set_seccomp+0x4e/0x70 [ 46.239689] __do_sys_prctl+0xe6c/0x1d70 [ 46.240531] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.241458] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.242480] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.243517] ? irqentry_exit+0xf3/0x650 [ 46.244246] do_syscall_64+0xbf/0x430 [ 46.245017] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.246044] RIP: 0033:0x7f19ef0f35cd [ 46.246751] 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 [ 46.249960] RSP: 002b:00007fff178401b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.251330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19ef0f35cd [ 46.252619] RDX: 0000555db95ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.253919] RBP: 00007fff17840210 R08: 0000000000000000 R09: 00007fff1783f8b0 [ 46.255215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555de9b21ad0 [ 46.256503] R13: 00007fff17840640 R14: 0000555de9b22bc0 R15: 0000555de9b33780 [ 46.257835] [ 46.258262] irq event stamp: 2769 [ 46.258919] hardirqs last enabled at (2779): [] __up_console_sem+0x78/0x80 [ 46.260450] hardirqs last disabled at (2788): [] __up_console_sem+0x5d/0x80 [ 46.262019] softirqs last enabled at (2644): [] handle_softirqs+0x50c/0x770 [ 46.263599] softirqs last disabled at (2639): [] __irq_exit_rcu+0xc4/0x100 [ 46.265136] ---[ end trace 0000000000000000 ]--- [ 49.231928] ------------[ cut here ]------------ [ 49.232549] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.233850] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.234777] Modules linked in: [ 49.235149] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.236411] Tainted: [W]=WARN [ 49.236765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.237708] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.238262] 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 [ 49.240329] RSP: 0018:ffff88801979fbc0 EFLAGS: 00010286 [ 49.240927] RAX: 0000000000000000 RBX: ffffed10032f3f78 RCX: ffffffff813a4050 [ 49.241770] RDX: ffff888016c70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.242584] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032f3f2f [ 49.243418] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.244214] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801979fdf8 [ 49.245031] FS: 00007fc895aed900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.245972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.246641] CR2: 00007ffe919dbef8 CR3: 000000002015c000 CR4: 0000000000350ef0 [ 49.247448] Call Trace: [ 49.247740] [ 49.248002] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.248579] ? __create_object+0x59/0x80 [ 49.249056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.249680] __vmalloc_noprof+0x59/0x60 [ 49.250137] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.250693] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.251263] bpf_prog_alloc+0x39/0x200 [ 49.251735] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.252328] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.252882] do_seccomp+0x349/0x25e0 [ 49.253348] ? find_held_lock+0x2b/0x80 [ 49.253804] ? do_prlimit+0x310/0x610 [ 49.254246] ? __pfx_do_seccomp+0x10/0x10 [ 49.254747] ? do_raw_spin_unlock+0x53/0x220 [ 49.255255] ? _raw_spin_unlock+0x1e/0x40 [ 49.255756] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.256375] ? static_key_count+0x60/0x80 [ 49.256860] prctl_set_seccomp+0x4e/0x70 [ 49.257364] __do_sys_prctl+0xe6c/0x1d70 [ 49.257835] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.258387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.258981] ? irqentry_exit+0xf3/0x650 [ 49.259473] do_syscall_64+0xbf/0x430 [ 49.259917] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.260518] RIP: 0033:0x7fc895fdf5cd [ 49.260938] 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 [ 49.262970] RSP: 002b:00007ffe919dab00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.263851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc895fdf5cd [ 49.264676] RDX: 0000561f0a40be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.265504] RBP: 00007ffe919dab60 R08: 0000000000000000 R09: 00007ffe919da200 [ 49.266325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f3b15bad0 [ 49.267120] R13: 00007ffe919daf90 R14: 0000561f3b15cbc0 R15: 0000561f3b16d780 [ 49.267957] [ 49.268228] irq event stamp: 1735 [ 49.268639] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.269621] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.270599] softirqs last enabled at (1316): [] handle_softirqs+0x50c/0x770 [ 49.271593] softirqs last disabled at (1305): [] __irq_exit_rcu+0xc4/0x100 [ 49.272569] ---[ end trace 0000000000000000 ]--- [ 49.977099] ------------[ cut here ]------------ [ 49.978013] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.980020] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.981661] Modules linked in: [ 49.982268] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.984327] Tainted: [W]=WARN [ 49.984955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.987034] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.988138] 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 [ 49.991463] RSP: 0018:ffff88801979fbc0 EFLAGS: 00010286 [ 49.992498] RAX: 0000000000000000 RBX: ffffed10032f3f78 RCX: ffffffff813a4050 [ 49.993833] RDX: ffff888016cbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.995184] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032f3f2f [ 49.996519] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.997872] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801979fdf8 [ 49.999214] FS: 00007f4b05612900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.000721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.001818] CR2: 00007f4b05b04580 CR3: 0000000019eb5000 CR4: 0000000000350ef0 [ 50.003132] Call Trace: [ 50.003651] [ 50.004071] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.004974] ? __create_object+0x59/0x80 [ 50.005784] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.006772] __vmalloc_noprof+0x59/0x60 [ 50.007561] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.008508] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.009506] bpf_prog_alloc+0x39/0x200 [ 50.010221] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.011191] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.012137] do_seccomp+0x349/0x25e0 [ 50.012899] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.013867] ? __pfx_do_seccomp+0x10/0x10 [ 50.014687] ? find_held_lock+0x2b/0x80 [ 50.015492] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.016499] ? static_key_count+0x60/0x80 [ 50.017358] prctl_set_seccomp+0x4e/0x70 [ 50.018122] __do_sys_prctl+0xe6c/0x1d70 [ 50.018973] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.019855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.020875] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.021909] ? irqentry_exit+0xf3/0x650 [ 50.022690] do_syscall_64+0xbf/0x430 [ 50.023485] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.024497] RIP: 0033:0x7f4b05b045cd [ 50.025205] 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 [ 50.028474] RSP: 002b:00007ffd3f715ce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.029914] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4b05b045cd [ 50.031259] RDX: 000055c990db6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.032598] RBP: 00007ffd3f715d40 R08: 0000000000000000 R09: 00007ffd3f7153e0 [ 50.033983] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9b6e9bad0 [ 50.035324] R13: 00007ffd3f716170 R14: 000055c9b6e9cbc0 R15: 000055c9b6ead780 [ 50.036675] [ 50.037136] irq event stamp: 1753 [ 50.037818] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 50.039439] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 50.041038] softirqs last enabled at (1316): [] handle_softirqs+0x50c/0x770 [ 50.042571] softirqs last disabled at (1311): [] __irq_exit_rcu+0xc4/0x100 [ 50.043761] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46827' (ECDSA) to the list of known hosts. 2025/11/17 21:51:59 fuzzer started 2025/11/17 21:51:59 dialing manager at localhost:37895 2025/11/17 21:51:59 checking machine... 2025/11/17 21:51:59 checking revisions... [ 50.949230] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:51:59 testing simple program... [ 51.034069] cgroup: Unknown subsys name 'net' [ 51.094626] cgroup: Unknown subsys name 'cpuset' [ 51.111510] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:51:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888017b85340 RCX=0000000000000000 RDX=0000000085f10901 RSI=0000000000000000 RDI=ffffffff85f109b8 RBP=ffffffff85f109b8 RSP=ffff88806ce08c70 R8 =0000000000000001 R9 =ffffffff87ce3c48 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff81526fb1 RFL=00000097 [--S-APC] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007ff6ee7bc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff6eded4000 CR3=000000000d360000 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=b3285ca56c489dff00000000002d5870 XMM01=d59e07bde36eea690000000000307338 XMM02=ec2efd57dc4c00df0000000000307440 XMM03=3ad3e9316877800e0000000000307510 XMM04=2b208747fb8e47c800000000000ae988 XMM05=46e1ba58c77d175800000000003201f0 XMM06=474038aa6c007e1f000000000031fe78 XMM07=e042d86d42eb936e0000000000311968 XMM08=3ad3e9316877800e0000000000307510 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020005 RBX=ffff8880175e0000 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880175e0a58 RSP=ffff888019c8f538 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880175e0a58 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270d4 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 00007fc895aed900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe919d4000 CR3=000000000de04000 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