[ 46.550529] ------------[ cut here ]------------ [ 46.551452] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.553507] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 46.554987] Modules linked in: [ 46.555605] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.557608] Tainted: [W]=WARN [ 46.558153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.561038] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.562039] 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 [ 46.565190] RSP: 0018:ffff88801a847bc0 EFLAGS: 00010286 [ 46.566150] RAX: 0000000000000000 RBX: ffffed1003508f78 RCX: ffffffff813a4050 [ 46.567417] RDX: ffff888016f45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.568702] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003508f2f [ 46.569975] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.571247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a847df8 [ 46.572519] FS: 00007f9999a17900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.573927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.574990] CR2: 00007ffc41af5ef8 CR3: 000000001c74d000 CR4: 0000000000350ef0 [ 46.576288] Call Trace: [ 46.576793] [ 46.577208] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.578098] ? __create_object+0x59/0x80 [ 46.578882] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.579855] __vmalloc_noprof+0x59/0x60 [ 46.580559] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.581430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.582370] bpf_prog_alloc+0x39/0x200 [ 46.583100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.584043] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.584943] do_seccomp+0x349/0x25e0 [ 46.585684] ? find_held_lock+0x2b/0x80 [ 46.586393] ? do_prlimit+0x310/0x610 [ 46.587140] ? __pfx_do_seccomp+0x10/0x10 [ 46.587936] ? do_raw_spin_unlock+0x53/0x220 [ 46.588774] ? _raw_spin_unlock+0x1e/0x40 [ 46.589515] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.590493] ? static_key_count+0x60/0x80 [ 46.591292] prctl_set_seccomp+0x4e/0x70 [ 46.592087] __do_sys_prctl+0xe6c/0x1d70 [ 46.592870] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.593735] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.594689] ? irqentry_exit+0xf3/0x650 [ 46.595401] do_syscall_64+0xbf/0x430 [ 46.596167] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.597095] RIP: 0033:0x7f9999f095cd [ 46.597804] 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 [ 46.600966] RSP: 002b:00007ffc41af4270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.602342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9999f095cd [ 46.603620] RDX: 0000555c8117ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.604895] RBP: 00007ffc41af42d0 R08: 0000000000000000 R09: 00007ffc41af3970 [ 46.606168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555c980e32b0 [ 46.607441] R13: 00007ffc41af4700 R14: 0000555c980e5d20 R15: 0000555c980f78d0 [ 46.608735] [ 46.609153] irq event stamp: 2065 [ 46.609805] hardirqs last enabled at (2075): [] __up_console_sem+0x78/0x80 [ 46.611321] hardirqs last disabled at (2084): [] __up_console_sem+0x5d/0x80 [ 46.612700] softirqs last enabled at (1958): [] handle_softirqs+0x50c/0x770 [ 46.613981] softirqs last disabled at (1953): [] __irq_exit_rcu+0xc4/0x100 [ 46.615230] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.086003] ------------[ cut here ]------------ [ 50.086969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.089148] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 50.090852] Modules linked in: [ 50.091450] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.093504] Tainted: [W]=WARN [ 50.094094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.095593] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.096490] 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 [ 50.099706] RSP: 0018:ffff888016f87bc0 EFLAGS: 00010286 [ 50.100699] RAX: 0000000000000000 RBX: ffffed1002df0f78 RCX: ffffffff813a4050 [ 50.101996] RDX: ffff88801a220000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.103288] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df0f2f [ 50.104618] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.105918] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f87df8 [ 50.107216] FS: 00007f40ac80e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.108699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.109767] CR2: 00007ffc2d4f6ef8 CR3: 000000000c8af000 CR4: 0000000000350ef0 [ 50.111078] Call Trace: [ 50.111549] [ 50.112019] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.112937] ? __create_object+0x59/0x80 [ 50.113720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.114695] __vmalloc_noprof+0x59/0x60 [ 50.115415] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.116295] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.117241] bpf_prog_alloc+0x39/0x200 [ 50.117986] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.118929] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.119867] do_seccomp+0x349/0x25e0 [ 50.120615] ? find_held_lock+0x2b/0x80 [ 50.121349] ? do_prlimit+0x310/0x610 [ 50.122107] ? __pfx_do_seccomp+0x10/0x10 [ 50.122910] ? do_raw_spin_unlock+0x53/0x220 [ 50.123760] ? _raw_spin_unlock+0x1e/0x40 [ 50.124525] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.125515] ? static_key_count+0x60/0x80 [ 50.126332] prctl_set_seccomp+0x4e/0x70 [ 50.127122] __do_sys_prctl+0xe6c/0x1d70 [ 50.127949] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.128815] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.129801] ? irqentry_exit+0xf3/0x650 [ 50.130519] do_syscall_64+0xbf/0x430 [ 50.131261] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.132247] RIP: 0033:0x7f40acd005cd [ 50.132958] 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 [ 50.136203] RSP: 002b:00007ffc2d4f5d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.137600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f40acd005cd [ 50.138891] RDX: 0000559a7f47ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.140202] RBP: 00007ffc2d4f5d70 R08: 0000000000000000 R09: 00007ffc2d4f5410 [ 50.141511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559abb60eb10 [ 50.142795] R13: 00007ffc2d4f61a0 R14: 0000559abb60f2b0 R15: 0000559abb6236f0 [ 50.144124] [ 50.144551] irq event stamp: 1767 [ 50.145209] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 50.146763] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 50.148307] softirqs last enabled at (1370): [] handle_softirqs+0x50c/0x770 [ 50.149659] softirqs last disabled at (1365): [] __irq_exit_rcu+0xc4/0x100 [ 50.150923] ---[ end trace 0000000000000000 ]--- [ 50.994467] ------------[ cut here ]------------ [ 50.995435] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.997491] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.998952] Modules linked in: [ 50.999545] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.001559] Tainted: [W]=WARN [ 51.002151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.003614] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.004498] 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 [ 51.007642] RSP: 0018:ffff88801749fbc0 EFLAGS: 00010286 [ 51.008652] RAX: 0000000000000000 RBX: ffffed1002e93f78 RCX: ffffffff813a4050 [ 51.009933] RDX: ffff8880176d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.011212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e93f2f [ 51.012509] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.013792] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801749fdf8 [ 51.015070] FS: 00007fb66759e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.016528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.017612] CR2: 00007ffcda875ef8 CR3: 0000000013a1f000 CR4: 0000000000350ef0 [ 51.018898] Call Trace: [ 51.019357] [ 51.019826] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.020729] ? __create_object+0x59/0x80 [ 51.021472] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.022442] __vmalloc_noprof+0x59/0x60 [ 51.023195] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.024094] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.025040] bpf_prog_alloc+0x39/0x200 [ 51.025783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.026714] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.027610] do_seccomp+0x349/0x25e0 [ 51.028303] ? find_held_lock+0x2b/0x80 [ 51.029066] ? do_prlimit+0x310/0x610 [ 51.029802] ? __pfx_do_seccomp+0x10/0x10 [ 51.030551] ? do_raw_spin_unlock+0x53/0x220 [ 51.031392] ? _raw_spin_unlock+0x1e/0x40 [ 51.032214] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.033180] ? static_key_count+0x60/0x80 [ 51.033990] prctl_set_seccomp+0x4e/0x70 [ 51.034782] __do_sys_prctl+0xe6c/0x1d70 [ 51.035523] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.036388] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.037365] ? irqentry_exit+0xf3/0x650 [ 51.038146] do_syscall_64+0xbf/0x430 [ 51.038898] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.039880] RIP: 0033:0x7fb667a905cd [ 51.040547] 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 [ 51.043780] RSP: 002b:00007ffcda873af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.045165] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb667a905cd [ 51.046441] RDX: 000055aee7713e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.047718] RBP: 00007ffcda873b50 R08: 0000000000000000 R09: 00007ffcda8731f0 [ 51.049017] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aefa102ad0 [ 51.050300] R13: 00007ffcda873f80 R14: 000055aefa103bc0 R15: 000055aefa114780 [ 51.051616] [ 51.052059] irq event stamp: 1723 [ 51.052710] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 51.054244] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 51.055792] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 51.057359] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 51.058900] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26011' (ECDSA) to the list of known hosts. 2025/11/17 19:40:17 fuzzer started 2025/11/17 19:40:17 dialing manager at localhost:37895 2025/11/17 19:40:17 checking machine... 2025/11/17 19:40:17 checking revisions... [ 51.961322] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:40:17 testing simple program... [ 52.047039] cgroup: Unknown subsys name 'net' [ 52.107610] cgroup: Unknown subsys name 'cpuset' [ 52.121528] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:40:17 Registers: info registers vcpu 0 RAX=0000000000000293 RBX=ffff888017942000 RCX=ffff888016dbf9f8 RDX=ffff888016dbfb78 RSI=0000000000000042 RDI=ffff8880179420e8 RBP=ffff8880179420e8 RSP=ffff888016dbf958 R8 =ffff888016dbfac0 R9 =ffffed1002db7f20 R10=0000000000000003 R11=0000000000000001 R12=ffff888016dbfac0 R13=ffff888016dbfac0 R14=0000000000000000 R15=0000000000000293 RIP=ffffffff83ccfcc4 RFL=00000092 [--S-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 00007f40ac80e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc2d4ef000 CR3=000000000d229000 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=6720646572637465733a4d41503d706f 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=000000000002d29f 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe5152df000 CR3=000000001d165000 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=30343a393120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343435 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000