[ 39.084753] ------------[ cut here ]------------ [ 39.085696] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.087752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.089236] Modules linked in: [ 39.089872] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.091874] Tainted: [W]=WARN [ 39.092429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.093906] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.094828] 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 [ 39.097973] RSP: 0018:ffff888017e37bc0 EFLAGS: 00010286 [ 39.098969] RAX: 0000000000000000 RBX: ffffed1002fc6f78 RCX: ffffffff813a4050 [ 39.100246] RDX: ffff888015c8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.101534] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fc6f2f [ 39.102832] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.104111] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017e37df8 [ 39.105403] FS: 00007fee19981900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.106855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.107920] CR2: 00007fee19e73580 CR3: 00000000104e0000 CR4: 0000000000350ef0 [ 39.109212] Call Trace: [ 39.109701] [ 39.110113] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.111045] ? __create_object+0x59/0x80 [ 39.111839] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.112815] __vmalloc_noprof+0x59/0x60 [ 39.113523] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.114402] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.115356] bpf_prog_alloc+0x39/0x200 [ 39.116107] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.117027] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.117939] do_seccomp+0x349/0x25e0 [ 39.118669] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.119531] ? __pfx_do_seccomp+0x10/0x10 [ 39.120328] ? find_held_lock+0x2b/0x80 [ 39.121092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.122056] ? static_key_count+0x60/0x80 [ 39.122868] prctl_set_seccomp+0x4e/0x70 [ 39.123601] __do_sys_prctl+0xe6c/0x1d70 [ 39.124390] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.125247] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.126226] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.127199] ? irqentry_exit+0xf3/0x650 [ 39.127976] do_syscall_64+0xbf/0x430 [ 39.128710] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.129670] RIP: 0033:0x7fee19e735cd [ 39.130339] 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 [ 39.133522] RSP: 002b:00007fff5008c530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.134899] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fee19e735cd [ 39.136185] RDX: 00005641a90fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.137475] RBP: 00007fff5008c590 R08: 0000000000000000 R09: 00007fff5008bc30 [ 39.138774] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641b4985ad0 [ 39.140076] R13: 00007fff5008c9c0 R14: 00005641b4986bc0 R15: 00005641b4997780 [ 39.141389] [ 39.141857] irq event stamp: 1763 [ 39.142460] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.143890] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.145151] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 39.146426] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 39.147698] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.575055] ------------[ cut here ]------------ [ 42.575960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.577905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.579342] Modules linked in: [ 42.579968] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.582253] Tainted: [W]=WARN [ 42.583247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.584865] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.585924] 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 [ 42.589421] RSP: 0018:ffff888016a0fbc0 EFLAGS: 00010286 [ 42.590469] RAX: 0000000000000000 RBX: ffffed1002d41f78 RCX: ffffffff813a4050 [ 42.591930] RDX: ffff8880173db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.593353] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d41f2f [ 42.594644] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.596109] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a0fdf8 [ 42.597487] FS: 00007fcce8df9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.598964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.600036] CR2: 00007ffcd6423ef7 CR3: 000000000d738000 CR4: 0000000000350ef0 [ 42.601527] Call Trace: [ 42.602104] [ 42.602583] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.603583] ? __create_object+0x59/0x80 [ 42.604452] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.605416] __vmalloc_noprof+0x59/0x60 [ 42.606222] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.607177] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.608272] bpf_prog_alloc+0x39/0x200 [ 42.609068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.610113] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.611152] do_seccomp+0x349/0x25e0 [ 42.611871] ? find_held_lock+0x2b/0x80 [ 42.612720] ? do_prlimit+0x310/0x610 [ 42.613535] ? __pfx_do_seccomp+0x10/0x10 [ 42.614419] ? do_raw_spin_unlock+0x53/0x220 [ 42.615328] ? _raw_spin_unlock+0x1e/0x40 [ 42.616188] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.617307] ? static_key_count+0x60/0x80 [ 42.618216] prctl_set_seccomp+0x4e/0x70 [ 42.619152] __do_sys_prctl+0xe6c/0x1d70 [ 42.620036] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.621007] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.622115] ? irqentry_exit+0xf3/0x650 [ 42.623050] do_syscall_64+0xbf/0x430 [ 42.623851] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.624847] RIP: 0033:0x7fcce92eb5cd [ 42.625511] 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 [ 42.628826] RSP: 002b:00007ffcd6421b00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.630388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcce92eb5cd [ 42.631897] RDX: 000055f415109e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.633330] RBP: 00007ffcd6421b60 R08: 0000000000000000 R09: 00007ffcd6421200 [ 42.634661] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f42fb992b0 [ 42.635961] R13: 00007ffcd6421f90 R14: 000055f42fb9bd20 R15: 000055f42fbad8d0 [ 42.637244] [ 42.637693] irq event stamp: 1889 [ 42.638297] hardirqs last enabled at (1897): [] __up_console_sem+0x78/0x80 [ 42.639810] hardirqs last disabled at (1906): [] __up_console_sem+0x5d/0x80 [ 42.641325] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 42.642869] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 42.644269] ---[ end trace 0000000000000000 ]--- [ 43.444183] ------------[ cut here ]------------ [ 43.445207] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.447448] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.449039] Modules linked in: [ 43.449729] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.451765] Tainted: [W]=WARN [ 43.452312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.453760] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.454661] 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 [ 43.458132] RSP: 0018:ffff88801b84fbc0 EFLAGS: 00010286 [ 43.459293] RAX: 0000000000000000 RBX: ffffed1003709f78 RCX: ffffffff813a4050 [ 43.460756] RDX: ffff8880172b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.462042] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003709f2f [ 43.463331] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.464631] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b84fdf8 [ 43.465910] FS: 00007f84c1be7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.467348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.468426] CR2: 00007ffec32c7ef7 CR3: 000000001e18a000 CR4: 0000000000350ef0 [ 43.469714] Call Trace: [ 43.470178] [ 43.470608] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.471534] ? __create_object+0x59/0x80 [ 43.472336] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.473307] __vmalloc_noprof+0x59/0x60 [ 43.474077] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.474974] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.475909] bpf_prog_alloc+0x39/0x200 [ 43.476599] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.477531] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.478443] do_seccomp+0x349/0x25e0 [ 43.479182] ? find_held_lock+0x2b/0x80 [ 43.479949] ? do_prlimit+0x310/0x610 [ 43.480719] ? __pfx_do_seccomp+0x10/0x10 [ 43.481460] ? do_raw_spin_unlock+0x53/0x220 [ 43.482303] ? _raw_spin_unlock+0x1e/0x40 [ 43.483092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.484073] ? static_key_count+0x60/0x80 [ 43.484880] prctl_set_seccomp+0x4e/0x70 [ 43.485669] __do_sys_prctl+0xe6c/0x1d70 [ 43.486399] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.487283] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.488302] ? irqentry_exit+0xf3/0x650 [ 43.489099] do_syscall_64+0xbf/0x430 [ 43.489926] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.490977] RIP: 0033:0x7f84c20d95cd [ 43.491745] 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 [ 43.495267] RSP: 002b:00007ffec32c5fe0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.496746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84c20d95cd [ 43.498093] RDX: 000055b55a14ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.499405] RBP: 00007ffec32c6040 R08: 0000000000000000 R09: 00007ffec32c56e0 [ 43.500782] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b58dcc6ad0 [ 43.502199] R13: 00007ffec32c6470 R14: 000055b58dcc7bc0 R15: 000055b58dcd8780 [ 43.503550] [ 43.504064] irq event stamp: 1715 [ 43.504789] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 43.506549] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 43.508105] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 43.509767] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 43.511542] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11562' (ECDSA) to the list of known hosts. 2025/11/18 11:15:40 fuzzer started 2025/11/18 11:15:40 dialing manager at localhost:34383 2025/11/18 11:15:40 checking machine... 2025/11/18 11:15:40 checking revisions... [ 44.465373] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:15:40 testing simple program... [ 44.554998] cgroup: Unknown subsys name 'net' [ 44.637527] cgroup: Unknown subsys name 'cpuset' [ 44.661914] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:15:39 Registers: info registers vcpu 0 RAX=1ffffffff0d1f4fb RBX=ffffffff868fa7d8 RCX=ffffffff83c70620 RDX=0000000000000000 RSI=ffffffff86d774d4 RDI=ffffffff868fa7d4 RBP=ffffffff868fa7d4 RSP=ffff888015fef378 R8 =ffffffff86d774d4 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a88e R12=ffffffff868fa7dc R13=ffffffff868fa7d4 R14=ffffffff868fa7d4 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 00007fcce8df9900 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=00007ffcd641b000 CR3=000000000dc1a000 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 info registers vcpu 1 RAX=0000000000028cbd RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff42eaac38 CR3=000000000d1df000 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=aef06d2f25014ea5ef4bef8f8bd4f753 XMM02=00000000003038c0ec2efd57dc4c00df XMM03=00000000003109182731bbadcc7487ac XMM04=4978f906a130aee700000000000ae988 XMM05=d96330e2d2db86320000000000320090 XMM06=474038aa6c007e1f000000000031ff18 XMM07=e042d86d42eb936e0000000000310b98 XMM08=2731bbadcc7487ac0000000000303920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000