[ 38.946579] ------------[ cut here ]------------ [ 38.947330] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.949090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.950309] Modules linked in: [ 38.950849] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.952526] Tainted: [W]=WARN [ 38.953023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.954245] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.955026] 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 [ 38.957744] RSP: 0018:ffff88801626fbc0 EFLAGS: 00010286 [ 38.958576] RAX: 0000000000000000 RBX: ffffed1002c4df78 RCX: ffffffff813a4050 [ 38.959653] RDX: ffff8880172e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.960765] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c4df2f [ 38.961846] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.962930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801626fdf8 [ 38.964024] FS: 00007fca55b4d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.965239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.966129] CR2: 00007ffec2521ef7 CR3: 000000000e059000 CR4: 0000000000350ef0 [ 38.967217] Call Trace: [ 38.967643] [ 38.968010] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.968775] ? __create_object+0x59/0x80 [ 38.969398] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.970212] __vmalloc_noprof+0x59/0x60 [ 38.970864] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.971610] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.972371] bpf_prog_alloc+0x39/0x200 [ 38.972995] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.973802] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.974570] do_seccomp+0x349/0x25e0 [ 38.975142] ? find_held_lock+0x2b/0x80 [ 38.975776] ? do_prlimit+0x310/0x610 [ 38.976384] ? __pfx_do_seccomp+0x10/0x10 [ 38.977039] ? do_raw_spin_unlock+0x53/0x220 [ 38.977745] ? _raw_spin_unlock+0x1e/0x40 [ 38.978374] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.979186] ? static_key_count+0x60/0x80 [ 38.979867] prctl_set_seccomp+0x4e/0x70 [ 38.980493] __do_sys_prctl+0xe6c/0x1d70 [ 38.981162] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.981883] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.982699] ? irqentry_exit+0xf3/0x650 [ 38.983322] do_syscall_64+0xbf/0x430 [ 38.983949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.984771] RIP: 0033:0x7fca5603f5cd [ 38.985329] 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 [ 38.987995] RSP: 002b:00007ffec2520c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.989158] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca5603f5cd [ 38.990260] RDX: 000055b9cfebbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.991344] RBP: 00007ffec2520c70 R08: 0000000000000000 R09: 00007ffec2520310 [ 38.992455] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b9ee070ad0 [ 38.993550] R13: 00007ffec25210a0 R14: 000055b9ee071bc0 R15: 000055b9ee082780 [ 38.994655] [ 38.995015] irq event stamp: 1811 [ 38.995524] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 38.996858] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 38.998139] softirqs last enabled at (1566): [] handle_softirqs+0x50c/0x770 [ 38.999453] softirqs last disabled at (1557): [] __irq_exit_rcu+0xc4/0x100 [ 39.000741] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.429965] ------------[ cut here ]------------ [ 42.430493] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.431696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.432584] Modules linked in: [ 42.432939] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.434110] Tainted: [W]=WARN [ 42.434431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.435288] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.435798] 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 [ 42.437643] RSP: 0018:ffff888013447bc0 EFLAGS: 00010286 [ 42.438185] RAX: 0000000000000000 RBX: ffffed1002688f78 RCX: ffffffff813a4050 [ 42.438933] RDX: ffff8880172e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.439676] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002688f2f [ 42.440402] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.441157] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013447df8 [ 42.441916] FS: 00007fb5ce85c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.442769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.443366] CR2: 00007ffe90da1ef7 CR3: 000000001fca5000 CR4: 0000000000350ef0 [ 42.444131] Call Trace: [ 42.444393] [ 42.444660] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.445159] ? __create_object+0x59/0x80 [ 42.445625] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.446165] __vmalloc_noprof+0x59/0x60 [ 42.446612] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.447103] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.447658] bpf_prog_alloc+0x39/0x200 [ 42.448079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.448628] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.449139] do_seccomp+0x349/0x25e0 [ 42.449516] ? find_held_lock+0x2b/0x80 [ 42.449980] ? do_prlimit+0x310/0x610 [ 42.450393] ? __pfx_do_seccomp+0x10/0x10 [ 42.450854] ? do_raw_spin_unlock+0x53/0x220 [ 42.451314] ? _raw_spin_unlock+0x1e/0x40 [ 42.451775] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.452321] ? static_key_count+0x60/0x80 [ 42.452797] prctl_set_seccomp+0x4e/0x70 [ 42.453224] __do_sys_prctl+0xe6c/0x1d70 [ 42.454487] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.455065] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.455623] ? irqentry_exit+0xf3/0x650 [ 42.456060] do_syscall_64+0xbf/0x430 [ 42.456485] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.457026] RIP: 0033:0x7fb5ced4e5cd [ 42.457387] 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 [ 42.459147] RSP: 002b:00007ffe90da0850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.459916] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5ced4e5cd [ 42.460630] RDX: 000055b803eede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.461314] RBP: 00007ffe90da08b0 R08: 0000000000000000 R09: 00007ffe90d9ff50 [ 42.462009] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8385febf0 [ 42.462716] R13: 00007ffe90da0ce0 R14: 000055b838608380 R15: 000055b838613460 [ 42.463400] [ 42.463657] irq event stamp: 1757 [ 42.463988] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 42.464833] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 42.465670] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 42.466490] softirqs last disabled at (1531): [] __irq_exit_rcu+0xc4/0x100 [ 42.467315] ---[ end trace 0000000000000000 ]--- [ 43.372049] ------------[ cut here ]------------ [ 43.372960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.374938] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.376348] Modules linked in: [ 43.376961] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.378847] Tainted: [W]=WARN [ 43.379371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.380779] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.381654] 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 [ 43.384717] RSP: 0018:ffff888016ccfbc0 EFLAGS: 00010286 [ 43.385655] RAX: 0000000000000000 RBX: ffffed1002d99f78 RCX: ffffffff813a4050 [ 43.386870] RDX: ffff888016039bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.388104] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d99f2f [ 43.389326] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.390553] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ccfdf8 [ 43.391779] FS: 00007f4a622ba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.393174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.394181] CR2: 00007f4a628204a6 CR3: 000000001d313000 CR4: 0000000000350ef0 [ 43.395408] Call Trace: [ 43.395894] [ 43.396304] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.397165] ? __create_object+0x59/0x80 [ 43.397916] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.398850] __vmalloc_noprof+0x59/0x60 [ 43.399585] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.400381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.401281] bpf_prog_alloc+0x39/0x200 [ 43.401990] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.402873] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.403743] do_seccomp+0x349/0x25e0 [ 43.404404] ? find_held_lock+0x2b/0x80 [ 43.405132] ? do_prlimit+0x310/0x610 [ 43.405846] ? __pfx_do_seccomp+0x10/0x10 [ 43.406600] ? do_raw_spin_unlock+0x53/0x220 [ 43.407345] ? _raw_spin_unlock+0x1e/0x40 [ 43.408104] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.409029] ? static_key_count+0x60/0x80 [ 43.409807] prctl_set_seccomp+0x4e/0x70 [ 43.410514] __do_sys_prctl+0xe6c/0x1d70 [ 43.411274] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.412111] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.413038] ? irqentry_exit+0xf3/0x650 [ 43.413774] do_syscall_64+0xbf/0x430 [ 43.414434] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.415352] RIP: 0033:0x7f4a627ac5cd [ 43.416036] 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 [ 43.419068] RSP: 002b:00007fff68cb91b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.420382] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a627ac5cd [ 43.421607] RDX: 000056049b72be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.422836] RBP: 00007fff68cb9210 R08: 0000000000000000 R09: 00007fff68cb88b0 [ 43.424070] R10: 0000000000000000 R11: 0000000000000246 R12: 00005604ad8e0ad0 [ 43.425290] R13: 00007fff68cb9640 R14: 00005604ad8e1bc0 R15: 00005604ad8f2780 [ 43.426525] [ 43.426977] irq event stamp: 1729 [ 43.427601] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 43.429077] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 43.430557] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 43.432045] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 43.433491] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:40838' (ECDSA) to the list of known hosts. 2025/11/17 14:08:01 fuzzer started 2025/11/17 14:08:01 dialing manager at localhost:37895 2025/11/17 14:08:01 checking machine... 2025/11/17 14:08:01 checking revisions... [ 44.347488] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:08:01 testing simple program... [ 44.436937] cgroup: Unknown subsys name 'net' [ 44.507075] cgroup: Unknown subsys name 'cpuset' [ 44.525071] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:08:00 Registers: info registers vcpu 0 RAX=ffffffff86ac8eef RBX=0000000000000001 RCX=ffffffff86ac8eea RDX=0000000000000002 RSI=0000000000000007 RDI=ffffffff86730dd0 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86ac8eea R9 =0000000000000000 R10=000000000003c9ed R11=0000000000028287 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135e82c RFL=00000246 [---Z-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 00007fb146ab2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb1461ca000 CR3=000000000bb8a000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=6693a8b417f942ce00000000000ae988 XMM05=b7a0611e039a90a10000000000322078 XMM06=07c8bb74b6c04a4400000000003201c0 XMM07=fb795ef6d6577056000000000030f7e0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffffffff85e1ffe0 RSP=ffff888009757758 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529278 RFL=00000246 [---Z-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe90d9a000 CR3=000000000cfec000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000