[ 38.933192] ------------[ cut here ]------------ [ 38.934189] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.936437] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.938014] Modules linked in: [ 38.938718] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.940864] Tainted: [W]=WARN [ 38.941511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.943386] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.944447] 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 [ 38.947907] RSP: 0018:ffff888014347bc0 EFLAGS: 00010286 [ 38.948964] RAX: 0000000000000000 RBX: ffffed1002868f78 RCX: ffffffff813a4050 [ 38.950352] RDX: ffff888018913780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.951765] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002868f2f [ 38.953154] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.954541] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014347df8 [ 38.955932] FS: 00007f772fdfb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.957510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.958674] CR2: 00007ffc70f9fef7 CR3: 000000000dd48000 CR4: 0000000000350ef0 [ 38.960070] Call Trace: [ 38.960618] [ 38.961060] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.962033] ? __create_object+0x59/0x80 [ 38.962890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.963942] __vmalloc_noprof+0x59/0x60 [ 38.964768] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.965712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.966728] bpf_prog_alloc+0x39/0x200 [ 38.967526] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.968525] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.969452] do_seccomp+0x349/0x25e0 [ 38.970242] ? find_held_lock+0x2b/0x80 [ 38.971076] ? do_prlimit+0x310/0x610 [ 38.971890] ? __pfx_do_seccomp+0x10/0x10 [ 38.972743] ? do_raw_spin_unlock+0x53/0x220 [ 38.973648] ? _raw_spin_unlock+0x1e/0x40 [ 38.974455] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.975541] ? static_key_count+0x60/0x80 [ 38.976357] prctl_set_seccomp+0x4e/0x70 [ 38.977191] __do_sys_prctl+0xe6c/0x1d70 [ 38.978032] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.978976] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.980035] ? irqentry_exit+0xf3/0x650 [ 38.980849] do_syscall_64+0xbf/0x430 [ 38.981650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.982699] RIP: 0033:0x7f77302ed5cd [ 38.983419] 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 [ 38.986847] RSP: 002b:00007ffc70f9e320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.988251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77302ed5cd [ 38.989508] RDX: 000055dc97468e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.990772] RBP: 00007ffc70f9e380 R08: 0000000000000000 R09: 00007ffc70f9da20 [ 38.992037] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dc992f3ad0 [ 38.993290] R13: 00007ffc70f9e7b0 R14: 000055dc992f4bc0 R15: 000055dc99305780 [ 38.994571] [ 38.994990] irq event stamp: 1847 [ 38.995502] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 38.996451] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 38.997415] softirqs last enabled at (1438): [] handle_softirqs+0x50c/0x770 [ 38.998536] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 38.999454] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.028643] ------------[ cut here ]------------ [ 42.029643] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.031687] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.033125] Modules linked in: [ 42.033771] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.035776] Tainted: [W]=WARN [ 42.036352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.037808] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.038730] 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 [ 42.041897] RSP: 0018:ffff888018907bc0 EFLAGS: 00010286 [ 42.042957] RAX: 0000000000000000 RBX: ffffed1003120f78 RCX: ffffffff813a4050 [ 42.044331] RDX: ffff888019e18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.045788] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003120f2f [ 42.047176] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.048570] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018907df8 [ 42.049989] FS: 00007f77b618c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.051655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.052871] CR2: 00007fffe2fcbef7 CR3: 000000002038f000 CR4: 0000000000350ef0 [ 42.054278] Call Trace: [ 42.054878] [ 42.055338] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.056335] ? __create_object+0x59/0x80 [ 42.057262] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.058349] __vmalloc_noprof+0x59/0x60 [ 42.059203] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.060209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.061229] bpf_prog_alloc+0x39/0x200 [ 42.062077] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.063135] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.064115] do_seccomp+0x349/0x25e0 [ 42.064911] ? find_held_lock+0x2b/0x80 [ 42.065718] ? do_prlimit+0x310/0x610 [ 42.066546] ? __pfx_do_seccomp+0x10/0x10 [ 42.067411] ? do_raw_spin_unlock+0x53/0x220 [ 42.068365] ? _raw_spin_unlock+0x1e/0x40 [ 42.069192] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.070162] ? static_key_count+0x60/0x80 [ 42.070973] prctl_set_seccomp+0x4e/0x70 [ 42.071761] __do_sys_prctl+0xe6c/0x1d70 [ 42.072537] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.073342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.074306] ? irqentry_exit+0xf3/0x650 [ 42.075061] do_syscall_64+0xbf/0x430 [ 42.075814] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.076765] RIP: 0033:0x7f77b667e5cd [ 42.077430] 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 [ 42.080736] RSP: 002b:00007fffe2fca410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.082091] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77b667e5cd [ 42.083501] RDX: 0000558ecc65de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.084779] RBP: 00007fffe2fca470 R08: 0000000000000000 R09: 00007fffe2fc9b10 [ 42.086162] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558efe83fbf0 [ 42.087593] R13: 00007fffe2fca8a0 R14: 0000558efe849380 R15: 0000558efe854460 [ 42.088933] [ 42.089366] irq event stamp: 1807 [ 42.090052] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.091606] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.093127] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 42.094858] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.096603] ---[ end trace 0000000000000000 ]--- [ 42.908129] ------------[ cut here ]------------ [ 42.908999] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.910914] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 42.912316] Modules linked in: [ 42.912935] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.914823] Tainted: [W]=WARN [ 42.915352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.916745] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.917617] 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 [ 42.920637] RSP: 0018:ffff8880176b7bc0 EFLAGS: 00010286 [ 42.921571] RAX: 0000000000000000 RBX: ffffed1002ed6f78 RCX: ffffffff813a4050 [ 42.922914] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.924246] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed6f2f [ 42.925489] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.926733] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176b7df8 [ 42.927948] FS: 00007fe014ef2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.929310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.930319] CR2: 00007fe0153e4580 CR3: 000000000be81000 CR4: 0000000000350ef0 [ 42.931545] Call Trace: [ 42.931988] [ 42.932377] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.933236] ? __create_object+0x59/0x80 [ 42.933979] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.934910] __vmalloc_noprof+0x59/0x60 [ 42.935635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.936421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.937305] bpf_prog_alloc+0x39/0x200 [ 42.938023] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.938925] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.939790] do_seccomp+0x349/0x25e0 [ 42.940434] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.941294] ? __pfx_do_seccomp+0x10/0x10 [ 42.942051] ? find_held_lock+0x2b/0x80 [ 42.942787] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.943704] ? static_key_count+0x60/0x80 [ 42.944430] prctl_set_seccomp+0x4e/0x70 [ 42.945190] __do_sys_prctl+0xe6c/0x1d70 [ 42.945949] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.946781] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.947709] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.948637] ? irqentry_exit+0xf3/0x650 [ 42.949334] do_syscall_64+0xbf/0x430 [ 42.950042] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.950968] RIP: 0033:0x7fe0153e45cd [ 42.951653] 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 [ 42.954703] RSP: 002b:00007ffdb50b4980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.956012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0153e45cd [ 42.957235] RDX: 00005643d466ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.958453] RBP: 00007ffdb50b49e0 R08: 0000000000000000 R09: 00007ffdb50b4080 [ 42.959715] R10: 0000000000000000 R11: 0000000000000246 R12: 00005643d46bdad0 [ 42.960941] R13: 00007ffdb50b4e10 R14: 00005643d46bebc0 R15: 00005643d46cf780 [ 42.962187] [ 42.962653] irq event stamp: 1719 [ 42.963229] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 42.964681] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 42.966125] softirqs last enabled at (1560): [] handle_softirqs+0x50c/0x770 [ 42.967612] softirqs last disabled at (1555): [] __irq_exit_rcu+0xc4/0x100 [ 42.969071] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33780' (ECDSA) to the list of known hosts. 2025/11/18 13:47:26 fuzzer started 2025/11/18 13:47:26 dialing manager at localhost:34383 2025/11/18 13:47:26 checking machine... 2025/11/18 13:47:26 checking revisions... [ 43.865087] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:47:26 testing simple program... [ 43.955375] cgroup: Unknown subsys name 'net' [ 44.008840] cgroup: Unknown subsys name 'cpuset' [ 44.021881] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:47:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801bd1fdd0 RCX=0000000000000001 RDX=ffff88801bd20001 RSI=ffff88801bd1fda0 RDI=ffff88806ce08a60 RBP=ffff88801bd18000 RSP=ffff88806ce089d8 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000abb8e R12=ffff88806ce08a01 R13=ffff88806ce08a98 R14=ffff88801bd1fda0 R15=ffff88806ce08a50 RIP=ffffffff84c721b6 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 00007f77b618c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdf0a36b028 CR3=00000000203d3000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888009fe0880 RCX=ffffffff842dc03f RDX=ffff8880143e8000 RSI=0000000000000000 RDI=0000000000000003 RBP=ffff8880143e7c88 RSP=ffff8880143e7b28 R8 =0000000000000001 R9 =ffffed1002f50304 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff817518c4 RFL=00000293 [--S-A-C] 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 00007fdf0ac54900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe551fb4c8 CR3=000000000dd84000 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=37343a333120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3334325b646873732035323a3734 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383639 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000