[ 45.958064] ------------[ cut here ]------------ [ 45.958992] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.961019] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 45.962523] Modules linked in: [ 45.963151] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.965203] Tainted: [W]=WARN [ 45.965968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.967904] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.968924] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 45.972164] RSP: 0018:ffff88801661fbc0 EFLAGS: 00010286 [ 45.973155] RAX: 0000000000000000 RBX: ffffed1002cc3f78 RCX: ffffffff813a4050 [ 45.974475] RDX: ffff888016d75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.975788] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc3f2f [ 45.977084] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.978405] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801661fdf8 [ 45.979725] FS: 00007f863faa9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.981173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.982265] CR2: 00007f864000f4a6 CR3: 000000000cf88000 CR4: 0000000000350ef0 [ 45.983595] Call Trace: [ 45.984108] [ 45.984533] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.985459] ? __create_object+0x59/0x80 [ 45.986251] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.987261] __vmalloc_noprof+0x59/0x60 [ 45.988049] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.988941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.989903] bpf_prog_alloc+0x39/0x200 [ 45.990614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.991591] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.992532] do_seccomp+0x349/0x25e0 [ 45.993255] ? find_held_lock+0x2b/0x80 [ 45.994053] ? do_prlimit+0x310/0x610 [ 45.994831] ? __pfx_do_seccomp+0x10/0x10 [ 45.995601] ? do_raw_spin_unlock+0x53/0x220 [ 45.996449] ? _raw_spin_unlock+0x1e/0x40 [ 45.997247] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.998248] ? static_key_count+0x60/0x80 [ 45.999080] prctl_set_seccomp+0x4e/0x70 [ 45.999887] __do_sys_prctl+0xe6c/0x1d70 [ 46.000638] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.001536] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.002520] ? irqentry_exit+0xf3/0x650 [ 46.003303] do_syscall_64+0xbf/0x430 [ 46.004061] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.005027] RIP: 0033:0x7f863ff9b5cd [ 46.005774] 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 [ 46.008991] RSP: 002b:00007ffe2e644240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.010403] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f863ff9b5cd [ 46.011719] RDX: 0000556f2a490e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.013015] RBP: 00007ffe2e6442a0 R08: 0000000000000000 R09: 00007ffe2e643940 [ 46.014348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f4ec72bf0 [ 46.015679] R13: 00007ffe2e6446d0 R14: 0000556f4ec7c380 R15: 0000556f4ec87460 [ 46.016925] [ 46.017299] irq event stamp: 1767 [ 46.017876] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 46.019171] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 46.020477] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 46.021793] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 46.023108] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.328740] ------------[ cut here ]------------ [ 49.329735] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.331900] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.333463] Modules linked in: [ 49.334380] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.336605] Tainted: [W]=WARN [ 49.337259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.338832] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.339822] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.343238] RSP: 0018:ffff8880172dfbc0 EFLAGS: 00010286 [ 49.344294] RAX: 0000000000000000 RBX: ffffed1002e5bf78 RCX: ffffffff813a4050 [ 49.345682] RDX: ffff88801661d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.347052] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5bf2f [ 49.348454] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.349903] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172dfdf8 [ 49.351258] FS: 00007f6f8153d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.352948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.354081] CR2: 00007ffeeee45ef7 CR3: 000000000a096000 CR4: 0000000000350ef0 [ 49.355445] Call Trace: [ 49.355993] [ 49.356497] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.357630] ? __create_object+0x59/0x80 [ 49.358590] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.359814] __vmalloc_noprof+0x59/0x60 [ 49.360774] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.361881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.362994] bpf_prog_alloc+0x39/0x200 [ 49.363908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.364953] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.365929] do_seccomp+0x349/0x25e0 [ 49.366654] ? find_held_lock+0x2b/0x80 [ 49.367478] ? do_prlimit+0x310/0x610 [ 49.368388] ? __pfx_do_seccomp+0x10/0x10 [ 49.369228] ? do_raw_spin_unlock+0x53/0x220 [ 49.370120] ? _raw_spin_unlock+0x1e/0x40 [ 49.370961] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.372020] ? static_key_count+0x60/0x80 [ 49.372979] prctl_set_seccomp+0x4e/0x70 [ 49.373889] __do_sys_prctl+0xe6c/0x1d70 [ 49.374735] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.375622] ? __do_sys_prlimit64+0x4/0xc10 [ 49.376551] do_syscall_64+0xbf/0x430 [ 49.377448] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.378480] RIP: 0033:0x7f6f81a2f5cd [ 49.379238] 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 [ 49.382617] RSP: 002b:00007ffeeee434b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.384110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f81a2f5cd [ 49.385476] RDX: 000055569bd9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.386847] RBP: 00007ffeeee43510 R08: 0000000000000000 R09: 00007ffeeee42bb0 [ 49.388161] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556a1850ad0 [ 49.389328] R13: 00007ffeeee43940 R14: 00005556a1851bc0 R15: 00005556a1862780 [ 49.390513] [ 49.390926] irq event stamp: 1901 [ 49.391474] hardirqs last enabled at (1909): [] __up_console_sem+0x78/0x80 [ 49.392864] hardirqs last disabled at (1918): [] __up_console_sem+0x5d/0x80 [ 49.394236] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 49.395646] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 49.397046] ---[ end trace 0000000000000000 ]--- [ 50.184034] ------------[ cut here ]------------ [ 50.184998] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.187134] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/256 [ 50.188696] Modules linked in: [ 50.189321] CPU: 0 UID: 104 PID: 256 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.191723] Tainted: [W]=WARN [ 50.192319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.193963] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.194954] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 50.198374] RSP: 0018:ffff88801ac3fbc0 EFLAGS: 00010286 [ 50.199425] RAX: 0000000000000000 RBX: ffffed1003587f78 RCX: ffffffff813a4050 [ 50.200807] RDX: ffff8880153f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.202181] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003587f2f [ 50.203543] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.204941] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac3fdf8 [ 50.206323] FS: 00007fa56eac4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.207874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.209028] CR2: 00007fa56efb6580 CR3: 000000000fad5000 CR4: 0000000000350ef0 [ 50.210387] Call Trace: [ 50.210930] [ 50.211365] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.212335] ? __create_object+0x59/0x80 [ 50.213179] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.214221] __vmalloc_noprof+0x59/0x60 [ 50.215033] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.215982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.216971] bpf_prog_alloc+0x39/0x200 [ 50.217774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.218761] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.219741] do_seccomp+0x349/0x25e0 [ 50.220460] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.221415] ? __pfx_do_seccomp+0x10/0x10 [ 50.222258] ? find_held_lock+0x2b/0x80 [ 50.223066] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.224117] ? static_key_count+0x60/0x80 [ 50.224975] prctl_set_seccomp+0x4e/0x70 [ 50.225796] __do_sys_prctl+0xe6c/0x1d70 [ 50.226579] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.227485] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.228524] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.229575] ? irqentry_exit+0xf3/0x650 [ 50.230400] do_syscall_64+0xbf/0x430 [ 50.231198] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.232221] RIP: 0033:0x7fa56efb65cd [ 50.232975] 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 [ 50.236403] RSP: 002b:00007ffe34f80030 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.237869] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa56efb65cd [ 50.239246] RDX: 000055957f6dee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.240626] RBP: 00007ffe34f80090 R08: 0000000000000000 R09: 00007ffe34f7f730 [ 50.242001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559594195bf0 [ 50.243390] R13: 00007ffe34f804c0 R14: 000055959419f380 R15: 00005595941aa460 [ 50.244753] [ 50.245147] irq event stamp: 1865 [ 50.245739] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 50.247152] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 50.248563] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 50.249971] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 50.251376] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11783' (ECDSA) to the list of known hosts. 2025/11/18 16:40:39 fuzzer started 2025/11/18 16:40:39 dialing manager at localhost:34383 2025/11/18 16:40:39 checking machine... 2025/11/18 16:40:39 checking revisions... [ 51.043643] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:40:39 testing simple program... [ 51.136341] cgroup: Unknown subsys name 'net' [ 51.195514] cgroup: Unknown subsys name 'cpuset' [ 51.211133] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:40:38 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880e538f000 RCX=ffffffff8152d723 RDX=0000000000000000 RSI=ffffffff81b61d2b RDI=ffff88806ce31cd0 RBP=ffff88800faf8cd0 RSP=ffff88806ce08d30 R8 =0000000000000001 R9 =ffffed100d9c11a2 R10=0000000000000003 R11=0000000000000001 R12=ffffffff81b61d2b R13=ffff88800d15cd40 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff815bd156 RFL=00000082 [--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 00007f6f8153d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeeee3d000 CR3=000000000d29b000 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888017941800 RCX=ffffffff81ced34a RDX=ffff888015360000 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff88801531fcf8 R8 =0000000000000001 R9 =ffffed1002a63f67 R10=0000000000000001 R11=0000000000000000 R12=0000000000000001 R13=0000000000000000 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81751e00 RFL=00000202 [-------] 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 00007ff05104f900 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=00007ff050766020 CR3=000000000e638000 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=d377b13f1d2075aeb2461010c8f771fa XMM02=ec2efd57dc4c00df0000000000303e20 XMM03=6b05af5a6c7512990000000000303ef0 XMM04=602ba1e4909a2ac200000000000ae988 XMM05=d7fc66c7fa84d1c10000000000321098 XMM06=ae48e78504b04d4b000000000031f6d0 XMM07=fb795ef6d6577056000000000030e270 XMM08=2c67c8bc2e329bc30000000000303e90 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000