syzkaller login: [ 38.982965] ------------[ cut here ]------------ [ 38.983921] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.985905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.987409] Modules linked in: [ 38.988046] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.990044] Tainted: [W]=WARN [ 38.990590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.992045] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.992948] 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 [ 38.996131] RSP: 0018:ffff88800c877bc0 EFLAGS: 00010286 [ 38.997101] RAX: 0000000000000000 RBX: ffffed100190ef78 RCX: ffffffff813a4050 [ 38.998406] RDX: ffff8880169c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.999698] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100190ef2f [ 39.000977] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.002267] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c877df8 [ 39.003540] FS: 00007f21085cb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.004984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.006079] CR2: 00007ffeada84ef7 CR3: 000000000f46d000 CR4: 0000000000350ef0 [ 39.007361] Call Trace: [ 39.007856] [ 39.008268] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.009166] ? __create_object+0x59/0x80 [ 39.009975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.010948] __vmalloc_noprof+0x59/0x60 [ 39.011654] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.012535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.013462] bpf_prog_alloc+0x39/0x200 [ 39.014215] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.015149] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.016050] do_seccomp+0x349/0x25e0 [ 39.016767] ? find_held_lock+0x2b/0x80 [ 39.017471] ? do_prlimit+0x310/0x610 [ 39.018220] ? __pfx_do_seccomp+0x10/0x10 [ 39.019006] ? do_raw_spin_unlock+0x53/0x220 [ 39.019848] ? _raw_spin_unlock+0x1e/0x40 [ 39.020579] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.021547] ? static_key_count+0x60/0x80 [ 39.022459] prctl_set_seccomp+0x4e/0x70 [ 39.023254] __do_sys_prctl+0xe6c/0x1d70 [ 39.024032] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.024907] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.025864] ? irqentry_exit+0xf3/0x650 [ 39.026569] do_syscall_64+0xbf/0x430 [ 39.027291] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.028241] RIP: 0033:0x7f2108abd5cd [ 39.028927] 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 [ 39.032075] RSP: 002b:00007ffeada82f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.033425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2108abd5cd [ 39.034713] RDX: 000055d95551ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.035988] RBP: 00007ffeada82fe0 R08: 0000000000000000 R09: 00007ffeada82680 [ 39.037260] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d96917fad0 [ 39.038542] R13: 00007ffeada83410 R14: 000055d969180bc0 R15: 000055d969191780 [ 39.039832] [ 39.040252] irq event stamp: 1765 [ 39.040901] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.042419] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.043722] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 39.044997] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 39.046272] ---[ end trace 0000000000000000 ]--- [ 42.635986] ------------[ cut here ]------------ [ 42.636627] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.638078] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.639130] Modules linked in: [ 42.639558] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.641016] Tainted: [W]=WARN [ 42.641422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.642512] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.643181] 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 [ 42.645481] RSP: 0018:ffff88801c0cfbc0 EFLAGS: 00010286 [ 42.646199] RAX: 0000000000000000 RBX: ffffed1003819f78 RCX: ffffffff813a4050 [ 42.647131] RDX: ffff888016083780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.648070] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003819f2f [ 42.649000] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.649930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c0cfdf8 [ 42.650862] FS: 00007ff93a9de900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.651900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.652644] CR2: 00007ffd47b20ef7 CR3: 00000000205c2000 CR4: 0000000000350ef0 [ 42.653578] Call Trace: [ 42.653951] [ 42.654251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.654899] ? __create_object+0x59/0x80 [ 42.655430] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.656123] __vmalloc_noprof+0x59/0x60 [ 42.656637] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.657267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.657946] bpf_prog_alloc+0x39/0x200 [ 42.658444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.659114] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.659766] do_seccomp+0x349/0x25e0 [ 42.660248] ? find_held_lock+0x2b/0x80 [ 42.660787] ? do_prlimit+0x310/0x610 [ 42.661289] ? __pfx_do_seccomp+0x10/0x10 [ 42.661860] ? do_raw_spin_unlock+0x53/0x220 [ 42.662424] ? _raw_spin_unlock+0x1e/0x40 [ 42.662987] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.663651] ? static_key_count+0x60/0x80 [ 42.664238] prctl_set_seccomp+0x4e/0x70 [ 42.664792] __do_sys_prctl+0xe6c/0x1d70 [ 42.665326] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.665948] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.666607] ? irqentry_exit+0xf3/0x650 [ 42.667153] do_syscall_64+0xbf/0x430 [ 42.667655] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.668338] RIP: 0033:0x7ff93aed05cd [ 42.668840] 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 [ 42.671141] RSP: 002b:00007ffd47b1eab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.672124] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff93aed05cd [ 42.673052] RDX: 000055ba47bd7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.673975] RBP: 00007ffd47b1eb10 R08: 0000000000000000 R09: 00007ffd47b1e1b0 [ 42.674889] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba69364ad0 [ 42.675803] R13: 00007ffd47b1ef40 R14: 000055ba69365bc0 R15: 000055ba69376780 [ 42.676721] [ 42.677025] irq event stamp: 1659 [ 42.677459] hardirqs last enabled at (1667): [] __up_console_sem+0x78/0x80 [ 42.678545] hardirqs last disabled at (1676): [] __up_console_sem+0x5d/0x80 [ 42.679629] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 42.680726] softirqs last disabled at (1567): [] __irq_exit_rcu+0xc4/0x100 [ 42.681814] ---[ end trace 0000000000000000 ]--- [ 43.470956] ------------[ cut here ]------------ [ 43.471877] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.473876] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.475316] Modules linked in: [ 43.475951] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.477952] Tainted: [W]=WARN [ 43.478514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.480228] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.481216] 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 [ 43.484366] RSP: 0018:ffff8880171b7bc0 EFLAGS: 00010286 [ 43.485337] RAX: 0000000000000000 RBX: ffffed1002e36f78 RCX: ffffffff813a4050 [ 43.486633] RDX: ffff88800f911bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.487918] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e36f2f [ 43.489194] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.490477] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171b7df8 [ 43.491744] FS: 00007f10661d4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.493166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.494233] CR2: 00007f10666c6580 CR3: 000000002077a000 CR4: 0000000000350ef0 [ 43.495516] Call Trace: [ 43.496025] [ 43.496433] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.497325] ? __create_object+0x59/0x80 [ 43.498129] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.499091] __vmalloc_noprof+0x59/0x60 [ 43.499839] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.500656] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.501580] bpf_prog_alloc+0x39/0x200 [ 43.502332] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.503267] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.504168] do_seccomp+0x349/0x25e0 [ 43.504886] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.505779] ? __pfx_do_seccomp+0x10/0x10 [ 43.506535] ? find_held_lock+0x2b/0x80 [ 43.507290] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.508250] ? static_key_count+0x60/0x80 [ 43.509041] prctl_set_seccomp+0x4e/0x70 [ 43.509829] __do_sys_prctl+0xe6c/0x1d70 [ 43.510580] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.511433] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.512392] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.513359] ? irqentry_exit+0xf3/0x650 [ 43.514142] do_syscall_64+0xbf/0x430 [ 43.514864] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.515807] RIP: 0033:0x7f10666c65cd [ 43.516464] 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 [ 43.519615] RSP: 002b:00007ffe0ef52730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.520974] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10666c65cd [ 43.522266] RDX: 000055a5e9f70e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.523543] RBP: 00007ffe0ef52790 R08: 0000000000000000 R09: 00007ffe0ef51e30 [ 43.524816] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a60d526ad0 [ 43.526092] R13: 00007ffe0ef52bc0 R14: 000055a60d527bc0 R15: 000055a60d538780 [ 43.527395] [ 43.527858] irq event stamp: 1837 [ 43.528466] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 43.529982] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 43.531482] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770 [ 43.533016] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100 [ 43.534462] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61711' (ECDSA) to the list of known hosts. 2025/11/18 15:36:19 fuzzer started 2025/11/18 15:36:19 dialing manager at localhost:34383 2025/11/18 15:36:19 checking machine... 2025/11/18 15:36:19 checking revisions... [ 44.467935] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:36:20 testing simple program... [ 44.553969] cgroup: Unknown subsys name 'net' [ 44.627467] cgroup: Unknown subsys name 'cpuset' [ 44.647978] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:36:19 Registers: info registers vcpu 0 RAX=0000000000040f23 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 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=00007f693eca0918 CR3=000000000e4e1000 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=5877935a034ffea7eb43ee9866512352 XMM02=eff9b2d0a8fce9cb0000000000303f90 XMM03=2c67c8bc2e329bc300000000003040d8 XMM04=f72bb1fc50c5767f00000000000ae988 XMM05=61d1741f126e75670000000000322408 XMM06=5b75c91c804453420000000000320a90 XMM07=fb795ef6d6577056000000000030fb40 XMM08=2c67c8bc2e329bc300000000003040d8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=ffffffff8175a7c7 RDX=0000000000000000 RSI=ffffffff8175a716 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88801a857668 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=0000000000000000 R14=ffffffff85e787a8 R15=ffff8880096c7b40 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 00007ff93a9de900 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=00007ffd47b18000 CR3=000000002052f000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000