[ 45.977866] ------------[ cut here ]------------ [ 45.978807] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.980822] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.982249] Modules linked in: [ 45.982937] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.984904] Tainted: [W]=WARN [ 45.985449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.987020] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.987920] 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 [ 45.991041] RSP: 0018:ffff888015dafbc0 EFLAGS: 00010286 [ 45.992006] RAX: 0000000000000000 RBX: ffffed1002bb5f78 RCX: ffffffff813a4050 [ 45.993267] RDX: ffff888015f20000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.994545] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bb5f2f [ 45.995824] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.997093] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015dafdf8 [ 45.998353] FS: 00007f2f58561900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.999803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.000835] CR2: 00007f2f58a53580 CR3: 000000000e56d000 CR4: 0000000000350ef0 [ 46.002085] Call Trace: [ 46.002576] [ 46.002991] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.003862] ? __create_object+0x59/0x80 [ 46.004622] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.005588] __vmalloc_noprof+0x59/0x60 [ 46.006292] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.007178] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.008097] bpf_prog_alloc+0x39/0x200 [ 46.008832] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.009754] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.010659] do_seccomp+0x349/0x25e0 [ 46.011328] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.012221] ? __pfx_do_seccomp+0x10/0x10 [ 46.013000] ? find_held_lock+0x2b/0x80 [ 46.013764] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.014731] ? static_key_count+0x60/0x80 [ 46.015532] prctl_set_seccomp+0x4e/0x70 [ 46.016251] __do_sys_prctl+0xe6c/0x1d70 [ 46.017020] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.017857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.018830] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.019801] ? irqentry_exit+0xf3/0x650 [ 46.020565] do_syscall_64+0xbf/0x430 [ 46.021246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.022185] RIP: 0033:0x7f2f58a535cd [ 46.022888] 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 [ 46.026013] RSP: 002b:00007ffcea33bae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.027334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f58a535cd [ 46.028400] RDX: 0000559fcc239e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.029475] RBP: 00007ffcea33bb40 R08: 0000000000000000 R09: 00007ffcea33b1e0 [ 46.030548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559fe74f32b0 [ 46.031622] R13: 00007ffcea33bf70 R14: 0000559fe74f5d20 R15: 0000559fe75078d0 [ 46.032696] [ 46.033046] irq event stamp: 1847 [ 46.033593] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 46.034866] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 46.036126] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 46.037425] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 46.038718] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.652147] ------------[ cut here ]------------ [ 48.652740] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.654027] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 48.654971] Modules linked in: [ 48.655345] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.656617] Tainted: [W]=WARN [ 48.656969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.657915] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.658504] 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 [ 48.660551] RSP: 0018:ffff888018807bc0 EFLAGS: 00010286 [ 48.661148] RAX: 0000000000000000 RBX: ffffed1003100f78 RCX: ffffffff813a4050 [ 48.661972] RDX: ffff888015d4d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.662800] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003100f2f [ 48.663621] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.664415] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018807df8 [ 48.665246] FS: 00007f6e085c3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.666160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.666905] CR2: 00007f6e08ab5580 CR3: 000000000bcb0000 CR4: 0000000000350ef0 [ 48.667727] Call Trace: [ 48.668026] [ 48.668288] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.668866] ? __create_object+0x59/0x80 [ 48.669344] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.669961] __vmalloc_noprof+0x59/0x60 [ 48.670424] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.670994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.671587] bpf_prog_alloc+0x39/0x200 [ 48.672035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.672634] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.673184] do_seccomp+0x349/0x25e0 [ 48.673641] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.674187] ? __pfx_do_seccomp+0x10/0x10 [ 48.674695] ? find_held_lock+0x2b/0x80 [ 48.675153] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.675772] ? static_key_count+0x60/0x80 [ 48.676257] prctl_set_seccomp+0x4e/0x70 [ 48.676754] __do_sys_prctl+0xe6c/0x1d70 [ 48.677227] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.677776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.678365] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.678990] ? irqentry_exit+0xf3/0x650 [ 48.679475] do_syscall_64+0xbf/0x430 [ 48.679925] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.680532] RIP: 0033:0x7f6e08ab55cd [ 48.680955] 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 [ 48.682987] RSP: 002b:00007fff21aa2a00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.683858] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e08ab55cd [ 48.684667] RDX: 000055891d973e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.685494] RBP: 00007fff21aa2a60 R08: 0000000000000000 R09: 00007fff21aa2100 [ 48.686285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558942f892b0 [ 48.687109] R13: 00007fff21aa2e90 R14: 0000558942f8bd20 R15: 0000558942f9d8d0 [ 48.687938] [ 48.688210] irq event stamp: 1727 [ 48.688629] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 48.689620] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 48.690593] softirqs last enabled at (1254): [] handle_softirqs+0x50c/0x770 [ 48.691582] softirqs last disabled at (1245): [] __irq_exit_rcu+0xc4/0x100 [ 48.692553] ---[ end trace 0000000000000000 ]--- [ 49.360806] ------------[ cut here ]------------ [ 49.361764] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.363831] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.365316] Modules linked in: [ 49.365957] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.368054] Tainted: [W]=WARN [ 49.368674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.370441] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.371505] 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 [ 49.374823] RSP: 0018:ffff888017107bc0 EFLAGS: 00010286 [ 49.375835] RAX: 0000000000000000 RBX: ffffed1002e20f78 RCX: ffffffff813a4050 [ 49.377150] RDX: ffff888016b11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.378480] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e20f2f [ 49.379803] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.381119] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017107df8 [ 49.382450] FS: 00007f86a75b8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.383961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.385054] CR2: 00007ffeb9d71ef8 CR3: 0000000020910000 CR4: 0000000000350ef0 [ 49.386376] Call Trace: [ 49.386908] [ 49.387332] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.388257] ? __create_object+0x59/0x80 [ 49.389067] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.390064] __vmalloc_noprof+0x59/0x60 [ 49.390855] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.391766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.392728] bpf_prog_alloc+0x39/0x200 [ 49.393444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.394406] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.395348] do_seccomp+0x349/0x25e0 [ 49.396090] ? find_held_lock+0x2b/0x80 [ 49.396869] ? do_prlimit+0x310/0x610 [ 49.397630] ? __pfx_do_seccomp+0x10/0x10 [ 49.398396] ? do_raw_spin_unlock+0x53/0x220 [ 49.399383] ? _raw_spin_unlock+0x1e/0x40 [ 49.400195] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.401193] ? static_key_count+0x60/0x80 [ 49.402018] prctl_set_seccomp+0x4e/0x70 [ 49.402827] __do_sys_prctl+0xe6c/0x1d70 [ 49.403624] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.404515] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.405513] ? irqentry_exit+0xf3/0x650 [ 49.406255] do_syscall_64+0xbf/0x430 [ 49.407024] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.408007] RIP: 0033:0x7f86a7aaa5cd [ 49.408735] 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 [ 49.411982] RSP: 002b:00007ffeb9d70210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.413221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86a7aaa5cd [ 49.414388] RDX: 0000559d75097e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.415569] RBP: 00007ffeb9d70270 R08: 0000000000000000 R09: 00007ffeb9d6f910 [ 49.416736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559d838d4ad0 [ 49.417906] R13: 00007ffeb9d706a0 R14: 0000559d838d5bc0 R15: 0000559d838e6780 [ 49.419114] [ 49.419540] irq event stamp: 1843 [ 49.420093] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 49.421482] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 49.422862] softirqs last enabled at (1410): [] handle_softirqs+0x50c/0x770 [ 49.424236] softirqs last disabled at (1405): [] __irq_exit_rcu+0xc4/0x100 [ 49.425586] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24149' (ECDSA) to the list of known hosts. 2025/11/17 18:53:54 fuzzer started 2025/11/17 18:53:54 dialing manager at localhost:37895 2025/11/17 18:53:54 checking machine... 2025/11/17 18:53:54 checking revisions... [ 50.351516] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:53:54 testing simple program... [ 50.431025] cgroup: Unknown subsys name 'net' [ 50.477139] cgroup: Unknown subsys name 'cpuset' [ 50.491621] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:53:53 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88801616b780 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801616c1d8 RSP=ffff88801ca1f820 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801616c1d8 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----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 00007f6e085c3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6e0857c008 CR3=000000000db94000 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=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 info registers vcpu 1 RAX=00000000000000c4 RBX=ffff888009643780 RCX=0000000000000002 RDX=ffff8880096441d8 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880096441d8 RSP=ffff88806cf088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000028 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527018 RFL=00000012 [----A--] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcacc289f8 CR3=000000000e297000 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=cd7c7205e13092a4bb460137522295e3 XMM02=0000000000301478eff9b2d0a8fce9cb XMM03=00000000003015482c67c8bc2e329bc3 XMM04=cf2a7c8a1650f34600000000000ae988 XMM05=07c8bb74b6c04a44000000000031cd30 XMM06=d74844bf967d85ba000000000031cbb8 XMM07=e042d86d42eb936e000000000030e900 XMM08=66fb9c138c9672800000000000301548 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000