[ 39.051931] ------------[ cut here ]------------ [ 39.052674] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.054318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.055525] Modules linked in: [ 39.056037] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.057660] Tainted: [W]=WARN [ 39.058147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.059370] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.060115] 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 [ 39.062710] RSP: 0018:ffff88801b77fbc0 EFLAGS: 00010286 [ 39.063508] RAX: 0000000000000000 RBX: ffffed10036eff78 RCX: ffffffff813a4050 [ 39.064542] RDX: ffff888016123780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.065575] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10036eff2f [ 39.066636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.067691] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b77fdf8 [ 39.068767] FS: 00007f313b49a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.069958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.070837] CR2: 00007fff114d3ef7 CR3: 0000000009df9000 CR4: 0000000000350ef0 [ 39.071890] Call Trace: [ 39.072271] [ 39.072608] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.073352] ? __create_object+0x59/0x80 [ 39.073996] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.074797] __vmalloc_noprof+0x59/0x60 [ 39.075398] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.076114] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.076884] bpf_prog_alloc+0x39/0x200 [ 39.077451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.078218] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.078970] do_seccomp+0x349/0x25e0 [ 39.079523] ? find_held_lock+0x2b/0x80 [ 39.080164] ? do_prlimit+0x310/0x610 [ 39.080782] ? __pfx_do_seccomp+0x10/0x10 [ 39.081390] ? do_raw_spin_unlock+0x53/0x220 [ 39.082071] ? _raw_spin_unlock+0x1e/0x40 [ 39.082692] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.083479] ? static_key_count+0x60/0x80 [ 39.084140] prctl_set_seccomp+0x4e/0x70 [ 39.084795] __do_sys_prctl+0xe6c/0x1d70 [ 39.085413] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.086107] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.086911] ? irqentry_exit+0xf3/0x650 [ 39.087496] do_syscall_64+0xbf/0x430 [ 39.088111] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.088884] RIP: 0033:0x7f313b98c5cd [ 39.089419] 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 [ 39.092032] RSP: 002b:00007fff114d1de0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.093154] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f313b98c5cd [ 39.094199] RDX: 00005616f7dfbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.095256] RBP: 00007fff114d1e40 R08: 0000000000000000 R09: 00007fff114d14e0 [ 39.096309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561713383bf0 [ 39.097367] R13: 00007fff114d2270 R14: 000056171338d380 R15: 0000561713398460 [ 39.098436] [ 39.098824] irq event stamp: 1741 [ 39.099320] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.100576] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.101818] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 39.103082] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 39.104324] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.155046] ------------[ cut here ]------------ [ 42.155961] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.157979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.159432] Modules linked in: [ 42.160073] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.162049] Tainted: [W]=WARN [ 42.162601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.164082] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.164999] 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 [ 42.168187] RSP: 0018:ffff8880190c7bc0 EFLAGS: 00010286 [ 42.169164] RAX: 0000000000000000 RBX: ffffed1003218f78 RCX: ffffffff813a4050 [ 42.170447] RDX: ffff8880181c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.171740] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003218f2f [ 42.173041] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.174312] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880190c7df8 [ 42.175616] FS: 00007f1ba8e53900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.177060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.178117] CR2: 00007f1ba9345580 CR3: 0000000020a2c000 CR4: 0000000000350ef0 [ 42.179405] Call Trace: [ 42.179910] [ 42.180315] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.181222] ? __create_object+0x59/0x80 [ 42.182014] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.182995] __vmalloc_noprof+0x59/0x60 [ 42.183708] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.184576] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.185510] bpf_prog_alloc+0x39/0x200 [ 42.186251] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.187189] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.188087] do_seccomp+0x349/0x25e0 [ 42.188810] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.189657] ? __pfx_do_seccomp+0x10/0x10 [ 42.190439] ? find_held_lock+0x2b/0x80 [ 42.191215] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.192177] ? static_key_count+0x60/0x80 [ 42.192975] prctl_set_seccomp+0x4e/0x70 [ 42.193714] __do_sys_prctl+0xe6c/0x1d70 [ 42.194505] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.195371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.196350] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.197319] ? irqentry_exit+0xf3/0x650 [ 42.198084] do_syscall_64+0xbf/0x430 [ 42.198836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.199733] RIP: 0033:0x7f1ba93455cd [ 42.200450] 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 [ 42.203620] RSP: 002b:00007fffe42dd130 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.204986] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ba93455cd [ 42.206275] RDX: 000055663c6b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.207579] RBP: 00007fffe42dd190 R08: 0000000000000000 R09: 00007fffe42dc830 [ 42.208871] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556661c16240 [ 42.210150] R13: 00007fffe42dd5c0 R14: 0000556661c15bf0 R15: 0000556661c2a4d0 [ 42.211438] [ 42.211909] irq event stamp: 1709 [ 42.212504] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 42.214042] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.215584] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.217117] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 42.218633] ---[ end trace 0000000000000000 ]--- [ 43.000468] ------------[ cut here ]------------ [ 43.001364] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.003421] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.004881] Modules linked in: [ 43.005473] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.007486] Tainted: [W]=WARN [ 43.008081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.009804] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.010698] 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 [ 43.013943] RSP: 0018:ffff888017df7bc0 EFLAGS: 00010286 [ 43.014942] RAX: 0000000000000000 RBX: ffffed1002fbef78 RCX: ffffffff813a4050 [ 43.016231] RDX: ffff8880193c5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.017507] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fbef2f [ 43.018793] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.020061] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017df7df8 [ 43.021342] FS: 00007fa6ecaf0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.022792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.023843] CR2: 00007ffd1d1f2ef7 CR3: 000000001e6b7000 CR4: 0000000000350ef0 [ 43.025108] Call Trace: [ 43.025569] [ 43.026023] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.026934] ? __create_object+0x59/0x80 [ 43.027671] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.028623] __vmalloc_noprof+0x59/0x60 [ 43.029369] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.030229] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.031171] bpf_prog_alloc+0x39/0x200 [ 43.031906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.032834] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.033687] do_seccomp+0x349/0x25e0 [ 43.034394] ? find_held_lock+0x2b/0x80 [ 43.035182] ? do_prlimit+0x310/0x610 [ 43.035914] ? __pfx_do_seccomp+0x10/0x10 [ 43.036651] ? do_raw_spin_unlock+0x53/0x220 [ 43.037465] ? _raw_spin_unlock+0x1e/0x40 [ 43.038236] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.039200] ? static_key_count+0x60/0x80 [ 43.039997] prctl_set_seccomp+0x4e/0x70 [ 43.040720] __do_sys_prctl+0xe6c/0x1d70 [ 43.041507] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.042340] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.043302] ? irqentry_exit+0xf3/0x650 [ 43.044063] do_syscall_64+0xbf/0x430 [ 43.044819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.045714] RIP: 0033:0x7fa6ecfe25cd [ 43.046415] 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 [ 43.049612] RSP: 002b:00007ffd1d1f0d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.050981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6ecfe25cd [ 43.052247] RDX: 000055aec8d7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.053512] RBP: 00007ffd1d1f0df0 R08: 0000000000000000 R09: 00007ffd1d1f0490 [ 43.054786] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aed7389ad0 [ 43.056050] R13: 00007ffd1d1f1220 R14: 000055aed738abc0 R15: 000055aed739b780 [ 43.057353] [ 43.057819] irq event stamp: 1797 [ 43.058427] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 43.059805] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 43.061096] softirqs last enabled at (1390): [] handle_softirqs+0x50c/0x770 [ 43.062402] softirqs last disabled at (1385): [] __irq_exit_rcu+0xc4/0x100 [ 43.063681] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53690' (ECDSA) to the list of known hosts. 2025/11/19 00:23:56 fuzzer started 2025/11/19 00:23:56 dialing manager at localhost:34383 2025/11/19 00:23:56 checking machine... 2025/11/19 00:23:56 checking revisions... [ 43.932373] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:23:56 testing simple program... [ 44.013829] cgroup: Unknown subsys name 'net' [ 44.067308] cgroup: Unknown subsys name 'cpuset' [ 44.082388] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:23:55 Registers: info registers vcpu 0 RAX=ffff888017888000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026756 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff81529327 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 00007f1ba8e53900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1ba8e1d008 CR3=000000000c7d5000 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=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=dffffc0000000000 RBX=ffff888009757840 RCX=0000000000000001 RDX=1ffff110012eaf0a RSI=ffff888009757970 RDI=ffff888009757850 RBP=ffff888009757970 RSP=ffff888009757798 R8 =ffffffff86a49dd0 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000012f5f R12=0000000000000008 R13=ffff888009750000 R14=ffff888009757978 R15=ffff888009757840 RIP=ffffffff8135e288 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f859d7b5018 CR3=000000000e459000 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=7bd49b2dba5374a0074b842c4ea234a1 XMM02=ec2efd57dc4c00df0000000000306eb8 XMM03=e7d6c5c904f4a9940000000000306f88 XMM04=34b17297ada783e000000000000ae988 XMM05=d96330e2d2db863200000000003208f0 XMM06=474038aa6c007e1f0000000000320778 XMM07=e042d86d42eb936e0000000000311138 XMM08=e7d6c5c904f4a9940000000000306f88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000