Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.195635] ------------[ cut here ]------------ [ 39.196578] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.198607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.200076] Modules linked in: [ 39.200714] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.202754] Tainted: [W]=WARN [ 39.203370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.204884] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.205835] 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 [ 39.209033] RSP: 0018:ffff88801b0bfbc0 EFLAGS: 00010286 [ 39.210020] RAX: 0000000000000000 RBX: ffffed1003617f78 RCX: ffffffff813a4050 [ 39.211315] RDX: ffff888016105340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.212610] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003617f2f [ 39.213904] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.215203] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b0bfdf8 [ 39.216527] FS: 00007fb30121e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.217977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.219063] CR2: 00007ffe3a3f5ef7 CR3: 0000000010526000 CR4: 0000000000350ef0 [ 39.220367] Call Trace: [ 39.220842] [ 39.221293] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.222162] ? __create_object+0x59/0x80 [ 39.222954] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.223942] __vmalloc_noprof+0x59/0x60 [ 39.224711] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.225617] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.226578] bpf_prog_alloc+0x39/0x200 [ 39.227328] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.228216] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.229130] do_seccomp+0x349/0x25e0 [ 39.229849] ? find_held_lock+0x2b/0x80 [ 39.230608] ? do_prlimit+0x310/0x610 [ 39.231357] ? __pfx_do_seccomp+0x10/0x10 [ 39.232109] ? do_raw_spin_unlock+0x53/0x220 [ 39.232942] ? _raw_spin_unlock+0x1e/0x40 [ 39.233721] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.234695] ? static_key_count+0x60/0x80 [ 39.235519] prctl_set_seccomp+0x4e/0x70 [ 39.236323] __do_sys_prctl+0xe6c/0x1d70 [ 39.237068] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.237938] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.238908] ? irqentry_exit+0xf3/0x650 [ 39.239672] do_syscall_64+0xbf/0x430 [ 39.240442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.241408] RIP: 0033:0x7fb3017105cd [ 39.242079] 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 [ 39.245297] RSP: 002b:00007ffe3a3f4e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.246683] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3017105cd [ 39.248004] RDX: 0000555cfb557e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.249391] RBP: 00007ffe3a3f4ea0 R08: 0000000000000000 R09: 00007ffe3a3f4540 [ 39.250707] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d226e9ad0 [ 39.252017] R13: 00007ffe3a3f52d0 R14: 0000555d226eabc0 R15: 0000555d226fb780 [ 39.253329] [ 39.253757] irq event stamp: 1745 [ 39.254417] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 39.255962] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 39.257499] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 39.259046] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 39.260587] ---[ end trace 0000000000000000 ]--- [ 42.778686] ------------[ cut here ]------------ [ 42.779649] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.781699] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.783187] Modules linked in: [ 42.783832] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.785829] Tainted: [W]=WARN [ 42.786434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.787924] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.788845] 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 [ 42.792048] RSP: 0018:ffff8880174afbc0 EFLAGS: 00010286 [ 42.793046] RAX: 0000000000000000 RBX: ffffed1002e95f78 RCX: ffffffff813a4050 [ 42.794346] RDX: ffff888016adb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.795641] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e95f2f [ 42.796950] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.798255] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174afdf8 [ 42.799533] FS: 00007f8f56d6a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.800990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.802049] CR2: 00007ffc4b93aef7 CR3: 0000000021120000 CR4: 0000000000350ef0 [ 42.803350] Call Trace: [ 42.803830] [ 42.804294] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.805149] ? __create_object+0x59/0x80 [ 42.805938] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.806918] __vmalloc_noprof+0x59/0x60 [ 42.807683] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.808583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.809532] bpf_prog_alloc+0x39/0x200 [ 42.810228] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.811177] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.812101] do_seccomp+0x349/0x25e0 [ 42.812815] ? find_held_lock+0x2b/0x80 [ 42.813575] ? do_prlimit+0x310/0x610 [ 42.814323] ? __pfx_do_seccomp+0x10/0x10 [ 42.815072] ? do_raw_spin_unlock+0x53/0x220 [ 42.815925] ? _raw_spin_unlock+0x1e/0x40 [ 42.816719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.817698] ? static_key_count+0x60/0x80 [ 42.818512] prctl_set_seccomp+0x4e/0x70 [ 42.819292] __do_sys_prctl+0xe6c/0x1d70 [ 42.820050] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.820912] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.821893] ? irqentry_exit+0xf3/0x650 [ 42.822669] do_syscall_64+0xbf/0x430 [ 42.823405] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.824385] RIP: 0033:0x7f8f5725c5cd [ 42.825051] 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 [ 42.828188] RSP: 002b:00007ffc4b938930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.829328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f5725c5cd [ 42.830388] RDX: 000056447b775e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.831462] RBP: 00007ffc4b938990 R08: 0000000000000000 R09: 00007ffc4b938030 [ 42.832542] R10: 0000000000000000 R11: 0000000000000246 R12: 000056448dbdfad0 [ 42.833607] R13: 00007ffc4b938dc0 R14: 000056448dbe0bc0 R15: 000056448dbf1780 [ 42.834702] [ 42.835054] irq event stamp: 1751 [ 42.835597] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 42.836867] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 42.838136] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.839424] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 42.840699] ---[ end trace 0000000000000000 ]--- [ 43.729654] ------------[ cut here ]------------ [ 43.730598] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.732650] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.734120] Modules linked in: [ 43.734792] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.736790] Tainted: [W]=WARN [ 43.737401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.738887] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.739811] 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 [ 43.742983] RSP: 0018:ffff88801b2c7bc0 EFLAGS: 00010286 [ 43.743980] RAX: 0000000000000000 RBX: ffffed1003658f78 RCX: ffffffff813a4050 [ 43.745277] RDX: ffff888019bb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.746568] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003658f2f [ 43.747879] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.749159] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b2c7df8 [ 43.750449] FS: 00007febe1afb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.751896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.752971] CR2: 00007ffd3d234ef7 CR3: 000000000da00000 CR4: 0000000000350ef0 [ 43.754275] Call Trace: [ 43.754742] [ 43.755146] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.756054] ? __create_object+0x59/0x80 [ 43.756838] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.757822] __vmalloc_noprof+0x59/0x60 [ 43.758594] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.759470] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.760411] bpf_prog_alloc+0x39/0x200 [ 43.761127] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.762056] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.762971] do_seccomp+0x349/0x25e0 [ 43.763710] ? find_held_lock+0x2b/0x80 [ 43.764480] ? do_prlimit+0x310/0x610 [ 43.765194] ? __pfx_do_seccomp+0x10/0x10 [ 43.765992] ? do_raw_spin_unlock+0x53/0x220 [ 43.766829] ? _raw_spin_unlock+0x1e/0x40 [ 43.767623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.768608] ? static_key_count+0x60/0x80 [ 43.769414] prctl_set_seccomp+0x4e/0x70 [ 43.770149] __do_sys_prctl+0xe6c/0x1d70 [ 43.770932] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.771788] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.772775] ? irqentry_exit+0xf3/0x650 [ 43.773574] do_syscall_64+0xbf/0x430 [ 43.774330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.775308] RIP: 0033:0x7febe1fed5cd [ 43.775984] 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 [ 43.779160] RSP: 002b:00007ffd3d233630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.780567] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febe1fed5cd [ 43.781867] RDX: 0000555f45ec2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.783146] RBP: 00007ffd3d233690 R08: 0000000000000000 R09: 00007ffd3d232d30 [ 43.784437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f59923ad0 [ 43.785721] R13: 00007ffd3d233ac0 R14: 0000555f59924bc0 R15: 0000555f59935780 [ 43.787035] [ 43.787509] irq event stamp: 1727 [ 43.788123] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 43.789651] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 43.791186] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 43.792759] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 43.794296] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4504' (ECDSA) to the list of known hosts. 2025/11/17 21:45:16 fuzzer started 2025/11/17 21:45:16 dialing manager at localhost:37895 2025/11/17 21:45:17 checking machine... 2025/11/17 21:45:17 checking revisions... [ 44.674796] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:45:17 testing simple program... [ 44.757360] cgroup: Unknown subsys name 'net' [ 44.834980] cgroup: Unknown subsys name 'cpuset' [ 44.848834] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:45:16 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888017880000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888017880a58 RDI=ffff888017880000 RBP=ffff888017880a58 RSP=ffff88801788f918 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888017880a58 R13=0000000000000000 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815273eb RFL=00000047 [---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 00007f1628c17900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8f57321618 CR3=0000000010500000 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=a3b5e69902c3ee0900000000000ae988 XMM05=d0dbbddc240a1e100000000000320c08 XMM06=817b8945e9d50373000000000031fca8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000000 RSI=ffffffff84c97ceb RDI=ffffed100159c543 RBP=ffff88800ace2a18 RSP=ffff88800eeafbd8 R8 =0000000000000001 R9 =0000000000000000 R10=ffff88801784c328 R11=0000000000000001 R12=0000000000000000 R13=ffffffff84c97ceb R14=0000000000000000 R15=0000000000000028 RIP=ffffffff81b2d128 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 00007fea2a6a2900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea2ac5a100 CR3=00000000210d5000 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=6f732f6463736e2f6e75722f7261762f XMM01=0000000000ff0000000000ff00000000 XMM02=ffffffffffffff00ffffffffffffffff XMM03=0000000000000000000000005e356692 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffffff00ffffff00ffffff00 XMM08=00000000000000810000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000