syzkaller login: [ 46.046458] ------------[ cut here ]------------ [ 46.047502] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.049824] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.051484] Modules linked in: [ 46.052445] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.054839] Tainted: [W]=WARN [ 46.055477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.057169] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.058226] 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 [ 46.061901] RSP: 0018:ffff888019e17bc0 EFLAGS: 00010286 [ 46.063027] RAX: 0000000000000000 RBX: ffffed10033c2f78 RCX: ffffffff813a4050 [ 46.064510] RDX: ffff8880175a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.066015] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c2f2f [ 46.067493] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.068993] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e17df8 [ 46.070477] FS: 00007f611ce32900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.072142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.073396] CR2: 00007f611d324580 CR3: 000000000d6d5000 CR4: 0000000000350ef0 [ 46.074890] Call Trace: [ 46.075425] [ 46.075948] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.076991] ? __create_object+0x59/0x80 [ 46.077889] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.079005] __vmalloc_noprof+0x59/0x60 [ 46.079879] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.080901] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.081976] bpf_prog_alloc+0x39/0x200 [ 46.082767] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.083875] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.084931] do_seccomp+0x349/0x25e0 [ 46.085699] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.086737] ? __pfx_do_seccomp+0x10/0x10 [ 46.087631] ? find_held_lock+0x2b/0x80 [ 46.088501] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.089644] ? static_key_count+0x60/0x80 [ 46.090592] prctl_set_seccomp+0x4e/0x70 [ 46.091484] __do_sys_prctl+0xe6c/0x1d70 [ 46.092394] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.093390] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.094506] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.095616] ? irqentry_exit+0xf3/0x650 [ 46.096507] do_syscall_64+0xbf/0x430 [ 46.097373] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.098476] RIP: 0033:0x7f611d3245cd [ 46.099300] 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 [ 46.102976] RSP: 002b:00007ffd366d28e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.104548] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f611d3245cd [ 46.106031] RDX: 00005610ace0fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.107502] RBP: 00007ffd366d2940 R08: 0000000000000000 R09: 00007ffd366d1fe0 [ 46.108996] R10: 0000000000000000 R11: 0000000000000246 R12: 00005610e3ad6ad0 [ 46.110474] R13: 00007ffd366d2d70 R14: 00005610e3ad7bc0 R15: 00005610e3ae8780 [ 46.111980] [ 46.112467] irq event stamp: 1781 [ 46.113229] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 46.114983] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 46.116735] softirqs last enabled at (1572): [] handle_softirqs+0x50c/0x770 [ 46.118289] softirqs last disabled at (1567): [] __irq_exit_rcu+0xc4/0x100 [ 46.119735] ---[ end trace 0000000000000000 ]--- [ 49.384907] ------------[ cut here ]------------ [ 49.385852] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.387948] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.389601] Modules linked in: [ 49.390300] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.392415] Tainted: [W]=WARN [ 49.393037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.394518] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.395455] 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 [ 49.398836] RSP: 0018:ffff888016557bc0 EFLAGS: 00010286 [ 49.399985] RAX: 0000000000000000 RBX: ffffed1002caaf78 RCX: ffffffff813a4050 [ 49.401499] RDX: ffff888016351bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.402799] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002caaf2f [ 49.404106] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.405424] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016557df8 [ 49.406709] FS: 00007fe935173900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.408197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.409419] CR2: 00007fe935665580 CR3: 000000000d5a6000 CR4: 0000000000350ef0 [ 49.410869] Call Trace: [ 49.411339] [ 49.411749] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.412671] ? __create_object+0x59/0x80 [ 49.413588] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.414709] __vmalloc_noprof+0x59/0x60 [ 49.415590] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.416517] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.417472] bpf_prog_alloc+0x39/0x200 [ 49.418211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.419139] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.420082] do_seccomp+0x349/0x25e0 [ 49.420851] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.421900] ? __pfx_do_seccomp+0x10/0x10 [ 49.422753] ? find_held_lock+0x2b/0x80 [ 49.423623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.424695] ? static_key_count+0x60/0x80 [ 49.425597] prctl_set_seccomp+0x4e/0x70 [ 49.426447] __do_sys_prctl+0xe6c/0x1d70 [ 49.427279] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.428269] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.429313] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.430409] ? irqentry_exit+0xf3/0x650 [ 49.431245] do_syscall_64+0xbf/0x430 [ 49.432007] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.433124] RIP: 0033:0x7fe9356655cd [ 49.433966] 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 [ 49.437285] RSP: 002b:00007ffd90c72c60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.438554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9356655cd [ 49.439730] RDX: 0000555678e91e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.440905] RBP: 00007ffd90c72cc0 R08: 0000000000000000 R09: 00007ffd90c72360 [ 49.442098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555680927ad0 [ 49.443326] R13: 00007ffd90c730f0 R14: 0000555680928bc0 R15: 0000555680939780 [ 49.444488] [ 49.444896] irq event stamp: 1793 [ 49.445415] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 49.446688] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 49.448062] softirqs last enabled at (1352): [] handle_softirqs+0x50c/0x770 [ 49.449536] softirqs last disabled at (1347): [] __irq_exit_rcu+0xc4/0x100 [ 49.450955] ---[ end trace 0000000000000000 ]--- [ 50.233955] ------------[ cut here ]------------ [ 50.234673] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.236331] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.237558] Modules linked in: [ 50.238078] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.239716] Tainted: [W]=WARN [ 50.240207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.241437] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.242198] 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 [ 50.244833] RSP: 0018:ffff888016ef7bc0 EFLAGS: 00010286 [ 50.245613] RAX: 0000000000000000 RBX: ffffed1002ddef78 RCX: ffffffff813a4050 [ 50.246673] RDX: ffff8880170b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.247723] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddef2f [ 50.248801] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.249865] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ef7df8 [ 50.250929] FS: 00007f982f7ab900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.252116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.253009] CR2: 00007ffe42422ef8 CR3: 000000001ff44000 CR4: 0000000000350ef0 [ 50.254077] Call Trace: [ 50.254464] [ 50.254839] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.255555] ? __create_object+0x59/0x80 [ 50.256205] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.257022] __vmalloc_noprof+0x59/0x60 [ 50.257615] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.258335] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.259106] bpf_prog_alloc+0x39/0x200 [ 50.259680] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.260445] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.261192] do_seccomp+0x349/0x25e0 [ 50.261748] ? find_held_lock+0x2b/0x80 [ 50.262379] ? do_prlimit+0x310/0x610 [ 50.263000] ? __pfx_do_seccomp+0x10/0x10 [ 50.263619] ? do_raw_spin_unlock+0x53/0x220 [ 50.264299] ? _raw_spin_unlock+0x1e/0x40 [ 50.264952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.265712] ? static_key_count+0x60/0x80 [ 50.266377] prctl_set_seccomp+0x4e/0x70 [ 50.267025] __do_sys_prctl+0xe6c/0x1d70 [ 50.267634] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.268342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.269162] ? irqentry_exit+0xf3/0x650 [ 50.269759] do_syscall_64+0xbf/0x430 [ 50.270376] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.271155] RIP: 0033:0x7f982fc9d5cd [ 50.271705] 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 [ 50.274426] RSP: 002b:00007ffe42420930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.275692] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f982fc9d5cd [ 50.276895] RDX: 000055dd2b440e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.278081] RBP: 00007ffe42420990 R08: 0000000000000000 R09: 00007ffe42420030 [ 50.279271] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd5079c2b0 [ 50.280453] R13: 00007ffe42420dc0 R14: 000055dd5079ed20 R15: 000055dd507b08d0 [ 50.281674] [ 50.282108] irq event stamp: 1785 [ 50.282670] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 50.284065] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 50.285476] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 50.286895] softirqs last disabled at (1553): [] __irq_exit_rcu+0xc4/0x100 [ 50.288294] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15963' (ECDSA) to the list of known hosts. 2025/11/18 13:01:47 fuzzer started 2025/11/18 13:01:47 dialing manager at localhost:34383 2025/11/18 13:01:47 checking machine... 2025/11/18 13:01:47 checking revisions... [ 51.225224] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:01:47 testing simple program... [ 51.311484] cgroup: Unknown subsys name 'net' [ 51.377675] cgroup: Unknown subsys name 'cpuset' [ 51.396726] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:01:46 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=dfb8078e475e76a4 RDX=1ffff1100d9c1156 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=0000000000000000 R15=ffff88806ce08a50 RIP=ffffffff8135e533 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 00007fe935173900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd90c6c000 CR3=000000000d91c000 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=000000000002939d 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=00000202 [-------] 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f773b750500 CR3=000000000b95b000 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=cce793f5f1591c8faf4e3cf81576a70d XMM02=2c67c8bc2e329bc30000000000304818 XMM03=fb795ef6d6577056000000000030fbd0 XMM04=374086f5fb2ecbe000000000000ae988 XMM05=07c8bb74b6c04a44000000000031f740 XMM06=d74844bf967d85ba000000000031f5c8 XMM07=e042d86d42eb936e000000000030fe50 XMM08=c920059eef7e6edc0000000000304878 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000