Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.942888] ------------[ cut here ]------------ [ 38.943820] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.945902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.947478] Modules linked in: [ 38.948128] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.950156] Tainted: [W]=WARN [ 38.950715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.952205] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.953112] 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 [ 38.956351] RSP: 0018:ffff88801566fbc0 EFLAGS: 00010286 [ 38.957339] RAX: 0000000000000000 RBX: ffffed1002acdf78 RCX: ffffffff813a4050 [ 38.958622] RDX: ffff88801628d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.959935] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002acdf2f [ 38.961217] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.962508] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801566fdf8 [ 38.963822] FS: 00007fe8e8c81900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.965255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.966310] CR2: 00007fe8e9173580 CR3: 000000001c731000 CR4: 0000000000350ef0 [ 38.967584] Call Trace: [ 38.968103] [ 38.968522] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.969431] ? __create_object+0x59/0x80 [ 38.970213] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.971387] __vmalloc_noprof+0x59/0x60 [ 38.972409] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.973549] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.974576] bpf_prog_alloc+0x39/0x200 [ 38.975343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.976362] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.977291] do_seccomp+0x349/0x25e0 [ 38.978065] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.978910] ? __pfx_do_seccomp+0x10/0x10 [ 38.979720] ? find_held_lock+0x2b/0x80 [ 38.980459] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.981413] ? static_key_count+0x60/0x80 [ 38.982208] prctl_set_seccomp+0x4e/0x70 [ 38.982946] __do_sys_prctl+0xe6c/0x1d70 [ 38.983737] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.984591] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.985550] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.986514] ? irqentry_exit+0xf3/0x650 [ 38.987253] do_syscall_64+0xbf/0x430 [ 38.987950] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.988924] RIP: 0033:0x7fe8e91735cd [ 38.989629] 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 [ 38.992806] RSP: 002b:00007ffc3a4073e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.994243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8e91735cd [ 38.995554] RDX: 000055a6a526ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.996913] RBP: 00007ffc3a407440 R08: 0000000000000000 R09: 00007ffc3a406ae0 [ 38.998278] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a6d7579ad0 [ 38.999591] R13: 00007ffc3a407870 R14: 000055a6d757abc0 R15: 000055a6d758b780 [ 39.000842] [ 39.001263] irq event stamp: 1775 [ 39.001764] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 39.003022] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 39.004297] softirqs last enabled at (1742): [] handle_softirqs+0x50c/0x770 [ 39.005576] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.006824] ---[ end trace 0000000000000000 ]--- [ 42.547035] ------------[ cut here ]------------ [ 42.547925] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.549951] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.551422] Modules linked in: [ 42.552078] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.554134] Tainted: [W]=WARN [ 42.554698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.556204] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.557125] 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 [ 42.560385] RSP: 0018:ffff888016217bc0 EFLAGS: 00010286 [ 42.561383] RAX: 0000000000000000 RBX: ffffed1002c42f78 RCX: ffffffff813a4050 [ 42.562694] RDX: ffff88801a22d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.564022] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c42f2f [ 42.565332] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.566648] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016217df8 [ 42.567967] FS: 00007f4dac98f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.569450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.570531] CR2: 00007fff8bd76ef8 CR3: 000000001f7c1000 CR4: 0000000000350ef0 [ 42.571859] Call Trace: [ 42.572377] [ 42.572794] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.573713] ? __create_object+0x59/0x80 [ 42.574528] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.575523] __vmalloc_noprof+0x59/0x60 [ 42.576314] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.577199] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.578151] bpf_prog_alloc+0x39/0x200 [ 42.578861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.579824] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.580739] do_seccomp+0x349/0x25e0 [ 42.581466] ? find_held_lock+0x2b/0x80 [ 42.582249] ? do_prlimit+0x310/0x610 [ 42.582963] ? __pfx_do_seccomp+0x10/0x10 [ 42.583782] ? do_raw_spin_unlock+0x53/0x220 [ 42.584634] ? _raw_spin_unlock+0x1e/0x40 [ 42.585436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.586424] ? static_key_count+0x60/0x80 [ 42.587248] prctl_set_seccomp+0x4e/0x70 [ 42.588062] __do_sys_prctl+0xe6c/0x1d70 [ 42.588819] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.589695] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.590699] ? irqentry_exit+0xf3/0x650 [ 42.591482] do_syscall_64+0xbf/0x430 [ 42.592263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.593244] RIP: 0033:0x7f4dace815cd [ 42.593918] 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 [ 42.597179] RSP: 002b:00007fff8bd75d60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.598576] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4dace815cd [ 42.599903] RDX: 0000555f0e425e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.601216] RBP: 00007fff8bd75dc0 R08: 0000000000000000 R09: 00007fff8bd75460 [ 42.602530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f1aa062b0 [ 42.603851] R13: 00007fff8bd761f0 R14: 0000555f1aa08d20 R15: 0000555f1aa1a8d0 [ 42.605185] [ 42.605617] irq event stamp: 1733 [ 42.606270] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.607837] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.609396] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 42.610991] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 42.612484] ---[ end trace 0000000000000000 ]--- [ 43.453931] ------------[ cut here ]------------ [ 43.454876] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.456950] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.458535] Modules linked in: [ 43.459186] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.461218] Tainted: [W]=WARN [ 43.461788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.463248] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.464172] 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 [ 43.467363] RSP: 0018:ffff8880175f7bc0 EFLAGS: 00010286 [ 43.468369] RAX: 0000000000000000 RBX: ffffed1002ebef78 RCX: ffffffff813a4050 [ 43.469715] RDX: ffff888018ad8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.471014] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ebef2f [ 43.472317] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.473617] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175f7df8 [ 43.474898] FS: 00007f8841acf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.476353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.477407] CR2: 00007ffd9236def8 CR3: 000000001fdd3000 CR4: 0000000000350ef0 [ 43.478681] Call Trace: [ 43.479198] [ 43.479610] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.480525] ? __create_object+0x59/0x80 [ 43.481305] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.482269] __vmalloc_noprof+0x59/0x60 [ 43.483027] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.483859] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.484797] bpf_prog_alloc+0x39/0x200 [ 43.485540] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.486474] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.487374] do_seccomp+0x349/0x25e0 [ 43.488098] ? find_held_lock+0x2b/0x80 [ 43.488812] ? do_prlimit+0x310/0x610 [ 43.489568] ? __pfx_do_seccomp+0x10/0x10 [ 43.490342] ? do_raw_spin_unlock+0x53/0x220 [ 43.491166] ? _raw_spin_unlock+0x1e/0x40 [ 43.491910] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.492881] ? static_key_count+0x60/0x80 [ 43.493674] prctl_set_seccomp+0x4e/0x70 [ 43.494451] __do_sys_prctl+0xe6c/0x1d70 [ 43.495233] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.496113] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.497103] ? irqentry_exit+0xf3/0x650 [ 43.497815] do_syscall_64+0xbf/0x430 [ 43.498557] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.499519] RIP: 0033:0x7f8841fc15cd [ 43.500250] 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 [ 43.503414] RSP: 002b:00007ffd9236bc30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.504797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8841fc15cd [ 43.506076] RDX: 0000557d3a132e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.507348] RBP: 00007ffd9236bc90 R08: 0000000000000000 R09: 00007ffd9236b330 [ 43.508636] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d63434ad0 [ 43.509929] R13: 00007ffd9236c0c0 R14: 0000557d63435bc0 R15: 0000557d63446780 [ 43.511238] [ 43.511664] irq event stamp: 1791 [ 43.512321] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 43.513832] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.515363] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 43.516906] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 43.518452] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34852' (ECDSA) to the list of known hosts. 2025/11/17 11:23:45 fuzzer started 2025/11/17 11:23:45 dialing manager at localhost:37895 2025/11/17 11:23:45 checking machine... 2025/11/17 11:23:45 checking revisions... [ 44.402393] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:23:45 testing simple program... [ 44.487623] cgroup: Unknown subsys name 'net' [ 44.553420] cgroup: Unknown subsys name 'cpuset' [ 44.567769] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:23:44 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff81618fa0 RCX=ffff88806ce08984 RDX=1ffff1100d9c1151 RSI=ffffffff83c63cd1 RDI=ffff88806ce08af8 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a28 R8 =0000000000000001 R9 =ffff88806ce08a70 R10=000000000003c9ed R11=00000000000a23e2 R12=ffff88806ce08af8 R13=0000000000000000 R14=ffff88801a22b780 R15=ffff888009472140 RIP=ffffffff81618fae RFL=00000286 [--S--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 00007f4dac98f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff8bd6f000 CR3=000000001c6ca000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=eaa719fac4ce039e RDX=000000002be392a4 RSI=00000000549e33b8 RDI=0000000029eace01 RBP=ffffffff85e1ffe0 RSP=ffff888015697348 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff8152926b RFL=00000206 [-----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 00007f2104401900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2103b1a030 CR3=000000000cfc0000 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=ea56b1909759042200000000000ae988 XMM05=23a039e3735b66820000000000322db8 XMM06=4147a352874b494b0000000000320e20 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000