[ 38.727370] ------------[ cut here ]------------ [ 38.728287] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.730340] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.732004] Modules linked in: [ 38.732718] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.734713] Tainted: [W]=WARN [ 38.735311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.736777] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.737704] 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 [ 38.740848] RSP: 0018:ffff888019a07bc0 EFLAGS: 00010286 [ 38.741825] RAX: 0000000000000000 RBX: ffffed1003340f78 RCX: ffffffff813a4050 [ 38.743094] RDX: ffff888009a73780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.744373] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003340f2f [ 38.745642] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.746913] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a07df8 [ 38.748197] FS: 00007f9970ffa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.749665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.750727] CR2: 00007fffec1c3ef8 CR3: 000000000bcdb000 CR4: 0000000000350ef0 [ 38.752000] Call Trace: [ 38.752507] [ 38.752917] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.753825] ? __create_object+0x59/0x80 [ 38.754600] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.755559] __vmalloc_noprof+0x59/0x60 [ 38.756306] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.757125] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.758041] bpf_prog_alloc+0x39/0x200 [ 38.758776] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.759698] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.760589] do_seccomp+0x349/0x25e0 [ 38.761315] ? find_held_lock+0x2b/0x80 [ 38.762026] ? do_prlimit+0x310/0x610 [ 38.762754] ? __pfx_do_seccomp+0x10/0x10 [ 38.763531] ? do_raw_spin_unlock+0x53/0x220 [ 38.764352] ? _raw_spin_unlock+0x1e/0x40 [ 38.765099] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.766111] ? static_key_count+0x60/0x80 [ 38.766903] prctl_set_seccomp+0x4e/0x70 [ 38.767664] __do_sys_prctl+0xe6c/0x1d70 [ 38.768419] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.769267] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.770177] ? irqentry_exit+0xf3/0x650 [ 38.770928] do_syscall_64+0xbf/0x430 [ 38.771650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.772588] RIP: 0033:0x7f99714ec5cd [ 38.773295] 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 [ 38.776417] RSP: 002b:00007fffec1c1f00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.777764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99714ec5cd [ 38.778865] RDX: 0000564eb53aee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.779967] RBP: 00007fffec1c1f60 R08: 0000000000000000 R09: 00007fffec1c1600 [ 38.781066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564eed5ecad0 [ 38.782190] R13: 00007fffec1c2390 R14: 0000564eed5edbc0 R15: 0000564eed5fe780 [ 38.783315] [ 38.783682] irq event stamp: 1829 [ 38.784207] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 38.785547] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 38.786852] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 38.788168] softirqs last disabled at (1339): [] __irq_exit_rcu+0xc4/0x100 [ 38.789469] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.942487] ------------[ cut here ]------------ [ 41.943407] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.945470] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.946914] Modules linked in: [ 41.947548] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.949547] Tainted: [W]=WARN [ 41.950109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.951575] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.952485] 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 [ 41.955648] RSP: 0018:ffff88801693fbc0 EFLAGS: 00010286 [ 41.956624] RAX: 0000000000000000 RBX: ffffed1002d27f78 RCX: ffffffff813a4050 [ 41.957936] RDX: ffff88800a7fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.959217] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d27f2f [ 41.960552] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.961863] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801693fdf8 [ 41.963136] FS: 00007f0474e55900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.964594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.965684] CR2: 00007f0475347580 CR3: 000000001edcf000 CR4: 0000000000350ef0 [ 41.966987] Call Trace: [ 41.967498] [ 41.967925] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.968842] ? __create_object+0x59/0x80 [ 41.969642] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.970631] __vmalloc_noprof+0x59/0x60 [ 41.971403] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.972291] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.973179] bpf_prog_alloc+0x39/0x200 [ 41.973917] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.974843] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.975763] do_seccomp+0x349/0x25e0 [ 41.976483] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.977393] ? __pfx_do_seccomp+0x10/0x10 [ 41.978129] ? find_held_lock+0x2b/0x80 [ 41.978891] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.979877] ? static_key_count+0x60/0x80 [ 41.980682] prctl_set_seccomp+0x4e/0x70 [ 41.981462] __do_sys_prctl+0xe6c/0x1d70 [ 41.982191] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.983040] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.984011] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.984983] ? irqentry_exit+0xf3/0x650 [ 41.985758] do_syscall_64+0xbf/0x430 [ 41.986490] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.987465] RIP: 0033:0x7f04753475cd [ 41.988124] 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 [ 41.991293] RSP: 002b:00007fff07033be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.992644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04753475cd [ 41.993951] RDX: 0000560c7dc63e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.995249] RBP: 00007fff07033c40 R08: 0000000000000000 R09: 00007fff070332e0 [ 41.996548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c8094ead0 [ 41.997859] R13: 00007fff07034070 R14: 0000560c8094fbc0 R15: 0000560c80960780 [ 41.999153] [ 41.999619] irq event stamp: 1687 [ 42.000277] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 42.001805] hardirqs last disabled at (1706): [] __up_console_sem+0x5d/0x80 [ 42.003349] softirqs last enabled at (1654): [] handle_softirqs+0x50c/0x770 [ 42.004896] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 42.006320] ---[ end trace 0000000000000000 ]--- [ 42.722336] ------------[ cut here ]------------ [ 42.722853] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.724033] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.724862] Modules linked in: [ 42.725215] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.726366] Tainted: [W]=WARN [ 42.726694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.727652] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.728155] 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 [ 42.730266] RSP: 0018:ffff8880172ffbc0 EFLAGS: 00010286 [ 42.730815] RAX: 0000000000000000 RBX: ffffed1002e5ff78 RCX: ffffffff813a4050 [ 42.731664] RDX: ffff88800a7ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.732497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e5ff2f [ 42.733368] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.734085] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172ffdf8 [ 42.734931] FS: 00007f2956e6f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.735833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.736448] CR2: 00007ffeae454ef8 CR3: 0000000009fb4000 CR4: 0000000000350ef0 [ 42.737177] Call Trace: [ 42.737476] [ 42.737716] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.738208] ? __create_object+0x59/0x80 [ 42.738668] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.739204] __vmalloc_noprof+0x59/0x60 [ 42.739765] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.740332] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.740952] bpf_prog_alloc+0x39/0x200 [ 42.741393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.741908] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.742422] do_seccomp+0x349/0x25e0 [ 42.742817] ? find_held_lock+0x2b/0x80 [ 42.743250] ? do_prlimit+0x310/0x610 [ 42.743652] ? __pfx_do_seccomp+0x10/0x10 [ 42.744078] ? do_raw_spin_unlock+0x53/0x220 [ 42.744550] ? _raw_spin_unlock+0x1e/0x40 [ 42.744975] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.745530] ? static_key_count+0x60/0x80 [ 42.745968] prctl_set_seccomp+0x4e/0x70 [ 42.746409] __do_sys_prctl+0xe6c/0x1d70 [ 42.746835] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.747322] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.747854] ? irqentry_exit+0xf3/0x650 [ 42.748403] do_syscall_64+0xbf/0x430 [ 42.748807] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.749360] RIP: 0033:0x7f29573615cd [ 42.749740] 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 [ 42.751575] RSP: 002b:00007ffeae4523b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.752367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29573615cd [ 42.753089] RDX: 0000564e6f22be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.753867] RBP: 00007ffeae452410 R08: 0000000000000000 R09: 00007ffeae451ab0 [ 42.754625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564e79243b10 [ 42.755379] R13: 00007ffeae452840 R14: 0000564e792442b0 R15: 0000564e792586f0 [ 42.756121] [ 42.756401] irq event stamp: 1917 [ 42.756755] hardirqs last enabled at (1925): [] __up_console_sem+0x78/0x80 [ 42.757656] hardirqs last disabled at (1934): [] __up_console_sem+0x5d/0x80 [ 42.758546] softirqs last enabled at (1914): [] handle_softirqs+0x50c/0x770 [ 42.759449] softirqs last disabled at (1907): [] __irq_exit_rcu+0xc4/0x100 [ 42.760339] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56040' (ECDSA) to the list of known hosts. 2025/11/17 14:34:30 fuzzer started 2025/11/17 14:34:31 dialing manager at localhost:37895 2025/11/17 14:34:31 checking machine... 2025/11/17 14:34:31 checking revisions... [ 43.632976] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:34:31 testing simple program... [ 43.720595] cgroup: Unknown subsys name 'net' [ 43.793797] cgroup: Unknown subsys name 'cpuset' [ 43.845156] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:34:30 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801722f580 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009b59a R12=0000000000000002 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff88801722f690 RIP=ffffffff81b2d12d RFL=00000297 [--S-APC] 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 00007f0474e55900 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=00007fff0702d000 CR3=000000000ba22000 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=0000000000025081 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd2325e368 CR3=000000000cb4c000 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=34333a343120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343636 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000