[ 39.200436] ------------[ cut here ]------------ [ 39.201401] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.203419] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.204940] Modules linked in: [ 39.205570] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.207526] Tainted: [W]=WARN [ 39.208116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.209574] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.210486] 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 [ 39.213632] RSP: 0018:ffff8880198ffbc0 EFLAGS: 00010286 [ 39.214601] RAX: 0000000000000000 RBX: ffffed100331ff78 RCX: ffffffff813a4050 [ 39.215893] RDX: ffff88801580b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.217177] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100331ff2f [ 39.218460] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.219743] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198ffdf8 [ 39.221018] FS: 00007f3fd5159900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.222458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.223520] CR2: 00007ffd9eb4eef7 CR3: 000000001c453000 CR4: 0000000000350ef0 [ 39.224804] Call Trace: [ 39.225303] [ 39.225722] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.226614] ? __create_object+0x59/0x80 [ 39.227407] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.228376] __vmalloc_noprof+0x59/0x60 [ 39.229125] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.229947] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.230868] bpf_prog_alloc+0x39/0x200 [ 39.231610] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.232532] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.233438] do_seccomp+0x349/0x25e0 [ 39.234155] ? find_held_lock+0x2b/0x80 [ 39.234862] ? do_prlimit+0x310/0x610 [ 39.235625] ? __pfx_do_seccomp+0x10/0x10 [ 39.236414] ? do_raw_spin_unlock+0x53/0x220 [ 39.237246] ? _raw_spin_unlock+0x1e/0x40 [ 39.238011] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.238917] ? static_key_count+0x60/0x80 [ 39.239739] prctl_set_seccomp+0x4e/0x70 [ 39.240508] __do_sys_prctl+0xe6c/0x1d70 [ 39.241281] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.242142] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.243099] ? irqentry_exit+0xf3/0x650 [ 39.243818] do_syscall_64+0xbf/0x430 [ 39.244569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.245519] RIP: 0033:0x7f3fd564b5cd [ 39.246216] 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 [ 39.249373] RSP: 002b:00007ffd9eb4c6e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.250725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fd564b5cd [ 39.252019] RDX: 00005589daed6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.253295] RBP: 00007ffd9eb4c740 R08: 0000000000000000 R09: 00007ffd9eb4bde0 [ 39.254593] R10: 0000000000000000 R11: 0000000000000246 R12: 00005589e2dda2b0 [ 39.255981] R13: 00007ffd9eb4cb70 R14: 00005589e2ddcd20 R15: 00005589e2dee8d0 [ 39.257396] [ 39.257822] irq event stamp: 1807 [ 39.258467] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.259889] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.260869] softirqs last enabled at (1438): [] handle_softirqs+0x50c/0x770 [ 39.261876] softirqs last disabled at (1423): [] __irq_exit_rcu+0xc4/0x100 [ 39.262857] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.651468] ------------[ cut here ]------------ [ 42.652384] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.654378] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.655824] Modules linked in: [ 42.656442] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.658658] Tainted: [W]=WARN [ 42.659316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.660783] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.661690] 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 [ 42.664845] RSP: 0018:ffff88801572fbc0 EFLAGS: 00010286 [ 42.665825] RAX: 0000000000000000 RBX: ffffed1002ae5f78 RCX: ffffffff813a4050 [ 42.667119] RDX: ffff888015809bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.668404] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ae5f2f [ 42.669690] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.670950] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801572fdf8 [ 42.672271] FS: 00007fbdb5130900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.673703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.674740] CR2: 00007ffcf4da3ef7 CR3: 000000000ce29000 CR4: 0000000000350ef0 [ 42.676039] Call Trace: [ 42.676498] [ 42.676896] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.677792] ? __create_object+0x59/0x80 [ 42.678574] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.679539] __vmalloc_noprof+0x59/0x60 [ 42.680296] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.681172] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.682116] bpf_prog_alloc+0x39/0x200 [ 42.682803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.683746] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.684643] do_seccomp+0x349/0x25e0 [ 42.685364] ? find_held_lock+0x2b/0x80 [ 42.686133] ? do_prlimit+0x310/0x610 [ 42.686830] ? __pfx_do_seccomp+0x10/0x10 [ 42.687612] ? do_raw_spin_unlock+0x53/0x220 [ 42.688439] ? _raw_spin_unlock+0x1e/0x40 [ 42.689224] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.690186] ? static_key_count+0x60/0x80 [ 42.690939] prctl_set_seccomp+0x4e/0x70 [ 42.691723] __do_sys_prctl+0xe6c/0x1d70 [ 42.692508] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.693375] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.694336] ? irqentry_exit+0xf3/0x650 [ 42.695105] do_syscall_64+0xbf/0x430 [ 42.695801] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.696748] RIP: 0033:0x7fbdb56225cd [ 42.697444] 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 [ 42.700659] RSP: 002b:00007ffcf4da25f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.702014] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdb56225cd [ 42.703322] RDX: 000055d22a3cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.704649] RBP: 00007ffcf4da2650 R08: 0000000000000000 R09: 00007ffcf4da1cf0 [ 42.705948] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d26780aad0 [ 42.707233] R13: 00007ffcf4da2a80 R14: 000055d26780bbc0 R15: 000055d26781c780 [ 42.708559] [ 42.709018] irq event stamp: 1871 [ 42.709624] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 42.711163] hardirqs last disabled at (1894): [] __up_console_sem+0x5d/0x80 [ 42.712709] softirqs last enabled at (1892): [] handle_softirqs+0x50c/0x770 [ 42.714251] softirqs last disabled at (1887): [] __irq_exit_rcu+0xc4/0x100 [ 42.715814] ---[ end trace 0000000000000000 ]--- [ 43.566402] ------------[ cut here ]------------ [ 43.567319] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.569318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.570757] Modules linked in: [ 43.571652] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.573695] Tainted: [W]=WARN [ 43.574291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.575793] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.576709] 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 [ 43.579852] RSP: 0018:ffff888016ff7bc0 EFLAGS: 00010286 [ 43.580820] RAX: 0000000000000000 RBX: ffffed1002dfef78 RCX: ffffffff813a4050 [ 43.582098] RDX: ffff888015b38000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.583377] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfef2f [ 43.584674] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.585956] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ff7df8 [ 43.587248] FS: 00007f449e5db900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.588693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.589746] CR2: 00007ffd445b0ef7 CR3: 000000000d874000 CR4: 0000000000350ef0 [ 43.591025] Call Trace: [ 43.591496] [ 43.591897] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.592795] ? __create_object+0x59/0x80 [ 43.593565] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.594529] __vmalloc_noprof+0x59/0x60 [ 43.595298] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.596173] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.597103] bpf_prog_alloc+0x39/0x200 [ 43.597784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.598696] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.599607] do_seccomp+0x349/0x25e0 [ 43.600319] ? find_held_lock+0x2b/0x80 [ 43.601064] ? do_prlimit+0x310/0x610 [ 43.601758] ? __pfx_do_seccomp+0x10/0x10 [ 43.602537] ? do_raw_spin_unlock+0x53/0x220 [ 43.603361] ? _raw_spin_unlock+0x1e/0x40 [ 43.604151] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.605109] ? static_key_count+0x60/0x80 [ 43.605852] prctl_set_seccomp+0x4e/0x70 [ 43.606618] __do_sys_prctl+0xe6c/0x1d70 [ 43.607401] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.608267] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.609219] ? irqentry_exit+0xf3/0x650 [ 43.609945] do_syscall_64+0xbf/0x430 [ 43.610683] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.611639] RIP: 0033:0x7f449eacd5cd [ 43.612327] 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 [ 43.615494] RSP: 002b:00007ffd445af650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.616847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f449eacd5cd [ 43.618127] RDX: 00005611204cce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.619425] RBP: 00007ffd445af6b0 R08: 0000000000000000 R09: 00007ffd445aed50 [ 43.620718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561157a10bf0 [ 43.622000] R13: 00007ffd445afae0 R14: 0000561157a1a380 R15: 0000561157a25460 [ 43.623294] [ 43.623731] irq event stamp: 1801 [ 43.624381] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 43.625902] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.627429] softirqs last enabled at (1338): [] handle_softirqs+0x50c/0x770 [ 43.628987] softirqs last disabled at (1333): [] __irq_exit_rcu+0xc4/0x100 [ 43.630509] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15612' (ECDSA) to the list of known hosts. 2025/11/18 17:59:30 fuzzer started 2025/11/18 17:59:31 dialing manager at localhost:34383 2025/11/18 17:59:31 checking machine... 2025/11/18 17:59:31 checking revisions... [ 44.546121] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:59:31 testing simple program... [ 44.632254] cgroup: Unknown subsys name 'net' [ 44.696392] cgroup: Unknown subsys name 'cpuset' [ 44.709248] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:59:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880e538f000 RCX=000000000000080b RDX=0000000000000000 RSI=ffffffff81351e01 RDI=0000000000000001 RBP=ffff888019a772f8 RSP=ffff88806ce08fd0 R8 =0000000000000001 R9 =ffffed100d9c4799 R10=0000000000000000 R11=ffff88806ce08ff8 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8134016f RFL=00000046 [---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 00007f9043ac3700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055d26783e000 CR3=000000000a5a5000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732030333a3935 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383630 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000046 RBX=0000000000000246 RCX=ffffffff817d9966 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=ffffffff85f10a20 RSP=ffff888009fd7d30 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff88800ede7320 R15=ffff88800945d280 RIP=ffffffff81526d83 RFL=00000046 [---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 00007fbdb5130900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcf4d9c000 CR3=000000000c6bf000 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=563412feff00545000000000000080fe 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