[ 38.950095] ------------[ cut here ]------------ [ 38.950987] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.952979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.954392] Modules linked in: [ 38.955013] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.957183] Tainted: [W]=WARN [ 38.957732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.959287] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.960213] 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 [ 38.963310] RSP: 0018:ffff88800edf7bc0 EFLAGS: 00010286 [ 38.964265] RAX: 0000000000000000 RBX: ffffed1001dbef78 RCX: ffffffff813a4050 [ 38.965640] RDX: ffff888016efb780 RSI: ffffffff813a405e RDI: 0000000000000001 Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.968067] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dbef2f [ 38.969332] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.970596] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800edf7df8 [ 38.971892] FS: 00007f4504b6f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.973311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.974361] CR2: 00007fffc0fb2ef7 CR3: 000000000bb2b000 CR4: 0000000000350ef0 [ 38.975628] Call Trace: [ 38.976134] [ 38.976537] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.977425] ? __create_object+0x59/0x80 [ 38.978184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.979129] __vmalloc_noprof+0x59/0x60 [ 38.979836] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.980689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.981619] bpf_prog_alloc+0x39/0x200 [ 38.982342] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.983256] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.984160] do_seccomp+0x349/0x25e0 [ 38.984824] ? find_held_lock+0x2b/0x80 [ 38.985577] ? do_prlimit+0x310/0x610 [ 38.986314] ? __pfx_do_seccomp+0x10/0x10 [ 38.987082] ? do_raw_spin_unlock+0x53/0x220 [ 38.987858] ? _raw_spin_unlock+0x1e/0x40 [ 38.988639] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.989574] ? static_key_count+0x60/0x80 [ 38.990349] prctl_set_seccomp+0x4e/0x70 [ 38.991102] __do_sys_prctl+0xe6c/0x1d70 [ 38.991838] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.992685] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.993632] ? irqentry_exit+0xf3/0x650 [ 38.994371] do_syscall_64+0xbf/0x430 [ 38.995103] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.996050] RIP: 0033:0x7f45050615cd [ 38.996702] 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 [ 38.999787] RSP: 002b:00007fffc0fb1de0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.001152] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45050615cd [ 39.002402] RDX: 0000562f0c4fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.003658] RBP: 00007fffc0fb1e40 R08: 0000000000000000 R09: 00007fffc0fb14e0 [ 39.004921] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562f4598cad0 [ 39.006176] R13: 00007fffc0fb2270 R14: 0000562f4598dbc0 R15: 0000562f4599e780 [ 39.007459] [ 39.007915] irq event stamp: 1893 [ 39.008508] hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 [ 39.009997] hardirqs last disabled at (1910): [] __up_console_sem+0x5d/0x80 [ 39.011463] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 39.012858] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 39.014085] ---[ end trace 0000000000000000 ]--- [ 42.634490] ------------[ cut here ]------------ [ 42.635440] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.637496] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.638948] Modules linked in: [ 42.639537] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.641586] Tainted: [W]=WARN [ 42.642187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.643668] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.644597] 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 [ 42.647769] RSP: 0018:ffff888016817bc0 EFLAGS: 00010286 [ 42.648756] RAX: 0000000000000000 RBX: ffffed1002d02f78 RCX: ffffffff813a4050 [ 42.650044] RDX: ffff88801c8d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.651325] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d02f2f [ 42.652619] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.653908] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016817df8 [ 42.655193] FS: 00007fe70d5d5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.656645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.657707] CR2: 00007fe70dac7580 CR3: 000000001f4aa000 CR4: 0000000000350ef0 [ 42.658991] Call Trace: [ 42.659460] [ 42.659928] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.660782] ? __create_object+0x59/0x80 [ 42.661567] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.662534] __vmalloc_noprof+0x59/0x60 [ 42.663300] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.664189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.665129] bpf_prog_alloc+0x39/0x200 [ 42.665825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.666747] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.667636] do_seccomp+0x349/0x25e0 [ 42.668361] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.669265] ? __pfx_do_seccomp+0x10/0x10 [ 42.670055] ? find_held_lock+0x2b/0x80 [ 42.670774] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.671741] ? static_key_count+0x60/0x80 [ 42.672551] prctl_set_seccomp+0x4e/0x70 [ 42.673326] __do_sys_prctl+0xe6c/0x1d70 [ 42.674117] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.674960] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.675936] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.676856] ? irqentry_exit+0xf3/0x650 [ 42.677623] do_syscall_64+0xbf/0x430 [ 42.678365] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.679322] RIP: 0033:0x7fe70dac75cd [ 42.680039] 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 [ 42.683213] RSP: 002b:00007ffc0b381100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.684585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe70dac75cd [ 42.685892] RDX: 000055b8825ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.687173] RBP: 00007ffc0b381160 R08: 0000000000000000 R09: 00007ffc0b380800 [ 42.688485] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8b61132b0 [ 42.689766] R13: 00007ffc0b381590 R14: 000055b8b6115d20 R15: 000055b8b61278d0 [ 42.691073] [ 42.691496] irq event stamp: 1787 [ 42.692169] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.693702] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.695227] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 42.696791] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 42.698312] ---[ end trace 0000000000000000 ]--- [ 43.487807] ------------[ cut here ]------------ [ 43.488742] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.490744] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.492218] Modules linked in: [ 43.492803] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.495053] Tainted: [W]=WARN [ 43.495611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.497179] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.498095] 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 [ 43.501278] RSP: 0018:ffff88801a647bc0 EFLAGS: 00010286 [ 43.502264] RAX: 0000000000000000 RBX: ffffed10034c8f78 RCX: ffffffff813a4050 [ 43.503554] RDX: ffff88801c408000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.504894] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034c8f2f [ 43.506210] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.507498] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a647df8 [ 43.508798] FS: 00007fb183f20900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.510236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.511298] CR2: 00007ffe89273ef7 CR3: 000000000d2ec000 CR4: 0000000000350ef0 [ 43.512589] Call Trace: [ 43.513105] [ 43.513519] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.514452] ? __create_object+0x59/0x80 [ 43.515229] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.516209] __vmalloc_noprof+0x59/0x60 [ 43.516987] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.517835] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.518782] bpf_prog_alloc+0x39/0x200 [ 43.519526] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.520479] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.521394] do_seccomp+0x349/0x25e0 [ 43.522123] ? find_held_lock+0x2b/0x80 [ 43.522859] ? do_prlimit+0x310/0x610 [ 43.523608] ? __pfx_do_seccomp+0x10/0x10 [ 43.524427] ? do_raw_spin_unlock+0x53/0x220 [ 43.525613] ? _raw_spin_unlock+0x1e/0x40 [ 43.526421] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.527393] ? static_key_count+0x60/0x80 [ 43.528222] prctl_set_seccomp+0x4e/0x70 [ 43.529011] __do_sys_prctl+0xe6c/0x1d70 [ 43.529767] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.530640] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.531621] ? irqentry_exit+0xf3/0x650 [ 43.532410] do_syscall_64+0xbf/0x430 [ 43.533165] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.534126] RIP: 0033:0x7fb1844125cd [ 43.534789] 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 [ 43.537996] RSP: 002b:00007ffe89271a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.539359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1844125cd [ 43.540662] RDX: 0000563f3376ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.541958] RBP: 00007ffe89271ad0 R08: 0000000000000000 R09: 00007ffe89271170 [ 43.543249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f6cb932b0 [ 43.544552] R13: 00007ffe89271f00 R14: 0000563f6cb95d20 R15: 0000563f6cba78d0 [ 43.545892] [ 43.546329] irq event stamp: 1873 [ 43.546984] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 43.548535] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 43.550041] softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 [ 43.551599] softirqs last disabled at (1845): [] __irq_exit_rcu+0xc4/0x100 [ 43.553125] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28524' (ECDSA) to the list of known hosts. 2025/11/18 12:53:06 fuzzer started 2025/11/18 12:53:07 dialing manager at localhost:34383 2025/11/18 12:53:07 checking machine... 2025/11/18 12:53:07 checking revisions... [ 44.443428] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:53:07 testing simple program... [ 44.535112] cgroup: Unknown subsys name 'net' [ 44.603100] cgroup: Unknown subsys name 'cpuset' [ 44.614939] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:53:06 Registers: info registers vcpu 0 RAX=ffffffff87b2b5a0 RBX=ffff88800ef83780 RCX=3ab6d40026a7fe15 RDX=be9c7b0f85ad0c98 RSI=00000000a5f133c5 RDI=ffff88800ef84200 RBP=ffff88800ef841d8 RSP=ffff88806ce08de8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800ef84200 R13=000000000000310b R14=0000000000000001 R15=3ab6d40026a7fe15 RIP=ffffffff81527b75 RFL=00000086 [--S--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 00007fe70d5d5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe70db8d0b0 CR3=000000001f411000 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=ffffffffffffffffffffffff00000000 XMM01=000000000000000000005500746f6f72 XMM02=ff000000000000000000000000000000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=000a687361622f6e69622f3a746f6f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888009643780 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ed R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcc28c0e88 CR3=000000000de34000 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=33353a323120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363032 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000