[ 46.011399] ------------[ cut here ]------------ [ 46.012378] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.014371] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.015808] Modules linked in: [ 46.016389] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.018341] Tainted: [W]=WARN [ 46.018933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.020401] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.021301] 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 [ 46.024642] RSP: 0018:ffff88801583fbc0 EFLAGS: 00010286 [ 46.025618] RAX: 0000000000000000 RBX: ffffed1002b07f78 RCX: ffffffff813a4050 [ 46.026887] RDX: ffff888018ebb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.028163] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b07f2f [ 46.029433] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.030692] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801583fdf8 [ 46.031969] FS: 00007f12829aa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.033706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.034832] CR2: 00007fffcc6aaef8 CR3: 000000000cf61000 CR4: 0000000000350ef0 [ 46.036133] Call Trace: [ 46.036590] [ 46.037036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.037917] ? __create_object+0x59/0x80 [ 46.038648] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.039597] __vmalloc_noprof+0x59/0x60 [ 46.040356] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.041199] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.042126] bpf_prog_alloc+0x39/0x200 [ 46.042839] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.043718] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.044612] do_seccomp+0x349/0x25e0 [ 46.045318] ? find_held_lock+0x2b/0x80 [ 46.046069] ? do_prlimit+0x310/0x610 [ 46.046798] ? __pfx_do_seccomp+0x10/0x10 [ 46.047526] ? do_raw_spin_unlock+0x53/0x220 [ 46.048364] ? _raw_spin_unlock+0x1e/0x40 [ 46.049138] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.050083] ? static_key_count+0x60/0x80 [ 46.050882] prctl_set_seccomp+0x4e/0x70 [ 46.051600] __do_sys_prctl+0xe6c/0x1d70 [ 46.052384] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.053236] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.054188] ? irqentry_exit+0xf3/0x650 [ 46.054938] do_syscall_64+0xbf/0x430 [ 46.055626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.056574] RIP: 0033:0x7f1282e9c5cd [ 46.057259] 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 [ 46.060418] RSP: 002b:00007fffcc6a9510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.061771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1282e9c5cd [ 46.063039] RDX: 000055bf0f256e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.064325] RBP: 00007fffcc6a9570 R08: 0000000000000000 R09: 00007fffcc6a8c10 [ 46.065578] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bf20e142b0 [ 46.066860] R13: 00007fffcc6a99a0 R14: 000055bf20e16d20 R15: 000055bf20e288d0 [ 46.068158] [ 46.068575] irq event stamp: 1719 [ 46.069209] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 46.070703] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 46.072288] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 46.073819] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 46.075303] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.457570] ------------[ cut here ]------------ [ 49.458617] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.460898] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.462458] Modules linked in: [ 49.463154] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.465336] Tainted: [W]=WARN [ 49.465985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.467571] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.468596] 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 [ 49.472043] RSP: 0018:ffff88801676fbc0 EFLAGS: 00010286 [ 49.473105] RAX: 0000000000000000 RBX: ffffed1002cedf78 RCX: ffffffff813a4050 [ 49.474498] RDX: ffff888015c49bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.475912] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cedf2f [ 49.477298] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.478690] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801676fdf8 [ 49.480109] FS: 00007fdb5e92c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.481666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.482820] CR2: 00007ffedb2b5ef8 CR3: 00000000201c6000 CR4: 0000000000350ef0 [ 49.484240] Call Trace: [ 49.484781] [ 49.485226] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.486201] ? __create_object+0x59/0x80 [ 49.487053] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.488125] __vmalloc_noprof+0x59/0x60 [ 49.488949] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.489896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.490906] bpf_prog_alloc+0x39/0x200 [ 49.491655] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.492679] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.493672] do_seccomp+0x349/0x25e0 [ 49.494457] ? find_held_lock+0x2b/0x80 [ 49.495280] ? do_prlimit+0x310/0x610 [ 49.496103] ? __pfx_do_seccomp+0x10/0x10 [ 49.496958] ? do_raw_spin_unlock+0x53/0x220 [ 49.497855] ? _raw_spin_unlock+0x1e/0x40 [ 49.498650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.499705] ? static_key_count+0x60/0x80 [ 49.500566] prctl_set_seccomp+0x4e/0x70 [ 49.501407] __do_sys_prctl+0xe6c/0x1d70 [ 49.502264] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.503207] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.504275] ? irqentry_exit+0xf3/0x650 [ 49.505106] do_syscall_64+0xbf/0x430 [ 49.505887] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.506844] RIP: 0033:0x7fdb5ee1e5cd [ 49.507501] 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 [ 49.510697] RSP: 002b:00007ffedb2b4940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.512073] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb5ee1e5cd [ 49.513345] RDX: 0000561e8bd5ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.514617] RBP: 00007ffedb2b49a0 R08: 0000000000000000 R09: 00007ffedb2b4040 [ 49.515900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e9f943ad0 [ 49.517074] R13: 00007ffedb2b4dd0 R14: 0000561e9f944bc0 R15: 0000561e9f955780 [ 49.518145] [ 49.518499] irq event stamp: 1711 [ 49.519043] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 49.520313] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 49.521765] softirqs last enabled at (1574): [] handle_softirqs+0x50c/0x770 [ 49.523252] softirqs last disabled at (1569): [] __irq_exit_rcu+0xc4/0x100 [ 49.524746] ---[ end trace 0000000000000000 ]--- [ 50.354412] ------------[ cut here ]------------ [ 50.355274] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.357224] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.358572] Modules linked in: [ 50.359170] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.361066] Tainted: [W]=WARN [ 50.361585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.363211] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.364291] 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 [ 50.367356] RSP: 0018:ffff88800aa17bc0 EFLAGS: 00010286 [ 50.368304] RAX: 0000000000000000 RBX: ffffed1001542f78 RCX: ffffffff813a4050 [ 50.369532] RDX: ffff88801690d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.370780] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001542f2f [ 50.372022] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.373241] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800aa17df8 [ 50.374482] FS: 00007ffabd59d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.375872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.376899] CR2: 00007fff6f751ef8 CR3: 000000000cede000 CR4: 0000000000350ef0 [ 50.378128] Call Trace: [ 50.378561] [ 50.378975] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.379854] ? __create_object+0x59/0x80 [ 50.380555] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.381475] __vmalloc_noprof+0x59/0x60 [ 50.382182] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.383000] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.383890] bpf_prog_alloc+0x39/0x200 [ 50.384545] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.385431] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.386291] do_seccomp+0x349/0x25e0 [ 50.386979] ? find_held_lock+0x2b/0x80 [ 50.387662] ? do_prlimit+0x310/0x610 [ 50.388381] ? __pfx_do_seccomp+0x10/0x10 [ 50.389129] ? do_raw_spin_unlock+0x53/0x220 [ 50.389922] ? _raw_spin_unlock+0x1e/0x40 [ 50.390615] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.391542] ? static_key_count+0x60/0x80 [ 50.392318] prctl_set_seccomp+0x4e/0x70 [ 50.393043] __do_sys_prctl+0xe6c/0x1d70 [ 50.393777] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.394546] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.395448] ? irqentry_exit+0xf3/0x650 [ 50.396182] do_syscall_64+0xbf/0x430 [ 50.396889] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.397783] RIP: 0033:0x7ffabda8f5cd [ 50.398409] 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 [ 50.401431] RSP: 002b:00007fff6f74fb10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.402744] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffabda8f5cd [ 50.403976] RDX: 0000557c54569e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.405183] RBP: 00007fff6f74fb70 R08: 0000000000000000 R09: 00007fff6f74f210 [ 50.406393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c5be202b0 [ 50.407619] R13: 00007fff6f74ffa0 R14: 0000557c5be22d20 R15: 0000557c5be348d0 [ 50.408880] [ 50.409277] irq event stamp: 1789 [ 50.409907] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 50.411351] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 50.412802] softirqs last enabled at (1414): [] handle_softirqs+0x50c/0x770 [ 50.414269] softirqs last disabled at (1409): [] __irq_exit_rcu+0xc4/0x100 [ 50.415744] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23571' (ECDSA) to the list of known hosts. 2025/11/18 05:52:01 fuzzer started 2025/11/18 05:52:02 dialing manager at localhost:37895 2025/11/18 05:52:02 checking machine... 2025/11/18 05:52:02 checking revisions... [ 51.283795] kmemleak: Automatic memory scanning thread ended 2025/11/18 05:52:02 testing simple program... [ 51.364401] cgroup: Unknown subsys name 'net' [ 51.423934] cgroup: Unknown subsys name 'cpuset' [ 51.438675] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 05:52:01 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff83cb87c0 RCX=ffff888019997354 RDX=1ffff11003332e8b RSI=ffffffff85e1ffe0 RDI=ffffffff83cb87c0 RBP=ffffffff83cb87c0 RSP=ffff8880199973a8 R8 =0000000000000001 R9 =ffff888019997440 R10=000000000003c9ed R11=000000000009b59a R12=ffff8880199974c8 R13=0000000000000000 R14=ffff888015c75340 R15=ffff8880096c7b40 RIP=ffffffff81439c17 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 00007fdb5e92c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdb5eee3618 CR3=0000000020221000 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 info registers vcpu 1 RAX=00000000000280a9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f75ed9b5000 CR3=000000000e25b000 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=2031303a32353a353020383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030303a32353a3530203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000