syzkaller login: [ 47.123841] ------------[ cut here ]------------ [ 47.124881] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.127093] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 47.128733] Modules linked in: [ 47.129458] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 47.131632] Tainted: [W]=WARN [ 47.132309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.133929] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.134926] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 47.138329] RSP: 0018:ffff88801a737bc0 EFLAGS: 00010286 [ 47.139371] RAX: 0000000000000000 RBX: ffffed10034e6f78 RCX: ffffffff813a4050 [ 47.140729] RDX: ffff888015e38000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.142136] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034e6f2f [ 47.143529] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.144930] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a737df8 [ 47.146335] FS: 00007f65620fc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 47.147891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.149045] CR2: 00007fffae751ef7 CR3: 000000000e589000 CR4: 0000000000350ef0 [ 47.150458] Call Trace: [ 47.150962] [ 47.151461] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.152436] ? __create_object+0x59/0x80 [ 47.153227] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.154350] __vmalloc_noprof+0x59/0x60 [ 47.155124] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.156082] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.157087] bpf_prog_alloc+0x39/0x200 [ 47.157914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.158925] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.159917] do_seccomp+0x349/0x25e0 [ 47.160689] ? find_held_lock+0x2b/0x80 [ 47.161568] ? do_prlimit+0x310/0x610 [ 47.162391] ? __pfx_do_seccomp+0x10/0x10 [ 47.163179] ? do_raw_spin_unlock+0x53/0x220 [ 47.164092] ? _raw_spin_unlock+0x1e/0x40 [ 47.164941] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.166015] ? static_key_count+0x60/0x80 [ 47.166911] prctl_set_seccomp+0x4e/0x70 [ 47.167769] __do_sys_prctl+0xe6c/0x1d70 [ 47.168619] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.169555] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.170608] ? irqentry_exit+0xf3/0x650 [ 47.171442] do_syscall_64+0xbf/0x430 [ 47.172193] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.173220] RIP: 0033:0x7f65625ee5cd [ 47.174028] 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 [ 47.177443] RSP: 002b:00007fffae74f500 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.178946] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65625ee5cd [ 47.180348] RDX: 0000558c97f93e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.181746] RBP: 00007fffae74f560 R08: 0000000000000000 R09: 00007fffae74ec00 [ 47.183170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558ca6ae2ad0 [ 47.184548] R13: 00007fffae74f990 R14: 0000558ca6ae3bc0 R15: 0000558ca6af4780 [ 47.185957] [ 47.186464] irq event stamp: 1769 [ 47.187127] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 47.188762] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 47.190419] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 47.191784] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 47.193126] ---[ end trace 0000000000000000 ]--- [ 50.630802] ------------[ cut here ]------------ [ 50.631548] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.633253] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.634433] Modules linked in: [ 50.634908] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.636579] Tainted: [W]=WARN [ 50.637039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.638261] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.638966] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.641590] RSP: 0018:ffff888017f4fbc0 EFLAGS: 00010286 [ 50.642404] RAX: 0000000000000000 RBX: ffffed1002fe9f78 RCX: ffffffff813a4050 [ 50.643460] RDX: ffff888009d48000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.644513] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe9f2f [ 50.645574] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.646634] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f4fdf8 [ 50.647690] FS: 00007f4859795900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.648875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.649736] CR2: 00007f4859c87580 CR3: 000000000d9aa000 CR4: 0000000000350ef0 [ 50.650811] Call Trace: [ 50.651190] [ 50.651559] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.652292] ? __create_object+0x59/0x80 [ 50.652893] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.653702] __vmalloc_noprof+0x59/0x60 [ 50.654326] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.655012] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.655779] bpf_prog_alloc+0x39/0x200 [ 50.656386] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.657273] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.657999] do_seccomp+0x349/0x25e0 [ 50.658602] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.659351] ? __pfx_do_seccomp+0x10/0x10 [ 50.659971] ? find_held_lock+0x2b/0x80 [ 50.660600] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.661409] ? static_key_count+0x60/0x80 [ 50.662050] prctl_set_seccomp+0x4e/0x70 [ 50.662808] __do_sys_prctl+0xe6c/0x1d70 [ 50.663454] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.664122] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.664915] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.665705] ? irqentry_exit+0xf3/0x650 [ 50.666349] do_syscall_64+0xbf/0x430 [ 50.666934] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.667717] RIP: 0033:0x7f4859c875cd [ 50.668292] 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 [ 50.670885] RSP: 002b:00007ffeb6452760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.671991] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4859c875cd [ 50.673029] RDX: 000055fc69fbfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.674085] RBP: 00007ffeb64527c0 R08: 0000000000000000 R09: 00007ffeb6451e60 [ 50.675157] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc7f4d4ad0 [ 50.676195] R13: 00007ffeb6452bf0 R14: 000055fc7f4d5bc0 R15: 000055fc7f4e6780 [ 50.677282] [ 50.677630] irq event stamp: 1705 [ 50.678128] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 50.679398] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 50.680675] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 50.681954] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 50.683214] ---[ end trace 0000000000000000 ]--- [ 51.534590] ------------[ cut here ]------------ [ 51.535673] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.538004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 51.539649] Modules linked in: [ 51.540363] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.542896] Tainted: [W]=WARN [ 51.543648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.545318] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.546359] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 51.549960] RSP: 0018:ffff888017357bc0 EFLAGS: 00010286 [ 51.551072] RAX: 0000000000000000 RBX: ffffed1002e6af78 RCX: ffffffff813a4050 [ 51.552526] RDX: ffff88800f79d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.553985] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6af2f [ 51.555438] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.556881] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017357df8 [ 51.558346] FS: 00007f0719dac900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.559938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.560980] CR2: 00007ffe74d6eef7 CR3: 000000000febb000 CR4: 0000000000350ef0 [ 51.562267] Call Trace: [ 51.562724] [ 51.563124] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.564011] ? __create_object+0x59/0x80 [ 51.564792] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.565759] __vmalloc_noprof+0x59/0x60 [ 51.566527] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.567406] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.568340] bpf_prog_alloc+0x39/0x200 [ 51.569024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.569949] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.570843] do_seccomp+0x349/0x25e0 [ 51.571553] ? find_held_lock+0x2b/0x80 [ 51.572313] ? do_prlimit+0x310/0x610 [ 51.573013] ? __pfx_do_seccomp+0x10/0x10 [ 51.573799] ? do_raw_spin_unlock+0x53/0x220 [ 51.574644] ? _raw_spin_unlock+0x1e/0x40 [ 51.575427] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.576394] ? static_key_count+0x60/0x80 [ 51.577154] prctl_set_seccomp+0x4e/0x70 [ 51.578008] __do_sys_prctl+0xe6c/0x1d70 [ 51.578804] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.579678] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.580649] ? irqentry_exit+0xf3/0x650 [ 51.581422] do_syscall_64+0xbf/0x430 [ 51.582129] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.583085] RIP: 0033:0x7f071a29e5cd [ 51.583794] 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 [ 51.587003] RSP: 002b:00007ffe74d6c920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.588383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f071a29e5cd [ 51.589679] RDX: 00005619ecd3fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.590985] RBP: 00007ffe74d6c980 R08: 0000000000000000 R09: 00007ffe74d6c020 [ 51.592290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a127fead0 [ 51.593588] R13: 00007ffe74d6cdb0 R14: 0000561a127ffbc0 R15: 0000561a12810780 [ 51.594888] [ 51.595282] irq event stamp: 1865 [ 51.595809] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 51.597145] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 51.598507] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 51.599867] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 51.601195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:28324' (ECDSA) to the list of known hosts. 2025/11/17 09:24:12 fuzzer started 2025/11/17 09:24:13 dialing manager at localhost:37895 2025/11/17 09:24:13 checking machine... 2025/11/17 09:24:13 checking revisions... [ 52.532320] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:24:13 testing simple program... [ 52.623624] cgroup: Unknown subsys name 'net' [ 52.691751] cgroup: Unknown subsys name 'cpuset' [ 52.708697] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:24:12 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08a50 RCX=0000000000000002 RDX=1ffff1100d9c114a RSI=ffff88806ce08e58 RDI=ffff88806ce08a50 RBP=ffff88806ce08e58 RSP=ffff88806ce089a8 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000023e3c R12=0000000000000008 R13=ffff88806ce08a98 R14=ffff88806ce08e58 R15=ffff88806ce08a50 RIP=ffffffff8135e24a 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 00007f4859795900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeb644c000 CR3=000000002075d000 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 info registers vcpu 1 RAX=000000000002814b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2941a66000 CR3=000000000e23d000 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=cb9ddae8b586a5b8ea463189b77d2279 XMM02=0000000000306c30eff9b2d0a8fce9cb XMM03=0000000000306d002c67c8bc2e329bc3 XMM04=187cb104392b8ca900000000000ae988 XMM05=2772b50e0867d6d50000000000320b88 XMM06=d74844bf967d85ba000000000031f8b8 XMM07=e042d86d42eb936e000000000030ff88 XMM08=a333e6459a3afc1a0000000000306d00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000