syzkaller login: [ 38.919558] ------------[ cut here ]------------ [ 38.920471] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.922551] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.924039] Modules linked in: [ 38.924892] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.926948] Tainted: [W]=WARN [ 38.927559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.929047] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.929981] 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 [ 38.933155] RSP: 0018:ffff88801616fbc0 EFLAGS: 00010286 [ 38.934120] RAX: 0000000000000000 RBX: ffffed1002c2df78 RCX: ffffffff813a4050 [ 38.935410] RDX: ffff888016319bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.936685] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2df2f [ 38.937975] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.939292] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801616fdf8 [ 38.940585] FS: 00007f2bf071d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.942048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.943127] CR2: 00007ffd82592ef7 CR3: 000000000d43c000 CR4: 0000000000350ef0 [ 38.944424] Call Trace: [ 38.944892] [ 38.945360] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.946262] ? __create_object+0x59/0x80 [ 38.946992] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.947954] __vmalloc_noprof+0x59/0x60 [ 38.948724] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.949600] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.950554] bpf_prog_alloc+0x39/0x200 [ 38.951288] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.952214] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.953078] do_seccomp+0x349/0x25e0 [ 38.953798] ? find_held_lock+0x2b/0x80 [ 38.954564] ? do_prlimit+0x310/0x610 [ 38.955304] ? __pfx_do_seccomp+0x10/0x10 [ 38.956037] ? do_raw_spin_unlock+0x53/0x220 [ 38.956875] ? _raw_spin_unlock+0x1e/0x40 [ 38.957663] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.958637] ? static_key_count+0x60/0x80 [ 38.959459] prctl_set_seccomp+0x4e/0x70 [ 38.960246] __do_sys_prctl+0xe6c/0x1d70 [ 38.960984] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.961848] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.962832] ? irqentry_exit+0xf3/0x650 [ 38.963590] do_syscall_64+0xbf/0x430 [ 38.964330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.965300] RIP: 0033:0x7f2bf0c0f5cd [ 38.965972] 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 [ 38.969131] RSP: 002b:00007ffd825912a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.970543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2bf0c0f5cd [ 38.971835] RDX: 0000563f53698e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.973139] RBP: 00007ffd82591300 R08: 0000000000000000 R09: 00007ffd825909a0 [ 38.974470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f66506bf0 [ 38.975771] R13: 00007ffd82591730 R14: 0000563f66510380 R15: 0000563f6651b460 [ 38.977080] [ 38.977550] irq event stamp: 1823 [ 38.978214] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 38.979758] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 38.981296] softirqs last enabled at (1336): [] handle_softirqs+0x50c/0x770 [ 38.982797] softirqs last disabled at (1315): [] __irq_exit_rcu+0xc4/0x100 [ 38.984056] ---[ end trace 0000000000000000 ]--- [ 41.866727] ------------[ cut here ]------------ [ 41.867634] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.869658] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 41.871110] Modules linked in: [ 41.871733] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.873720] Tainted: [W]=WARN [ 41.874561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.876097] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.877001] 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 [ 41.880201] RSP: 0018:ffff888015e77bc0 EFLAGS: 00010286 [ 41.881123] RAX: 0000000000000000 RBX: ffffed1002bcef78 RCX: ffffffff813a4050 [ 41.882392] RDX: ffff888019483780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.883669] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bcef2f [ 41.884956] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.886245] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e77df8 [ 41.887516] FS: 00007f8ce8d7f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.888949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.890021] CR2: 00007fff8a73def7 CR3: 0000000020a01000 CR4: 0000000000350ef0 [ 41.891307] Call Trace: [ 41.891770] [ 41.892227] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.893072] ? __create_object+0x59/0x80 [ 41.893845] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.894860] __vmalloc_noprof+0x59/0x60 [ 41.895613] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.896490] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.897411] bpf_prog_alloc+0x39/0x200 [ 41.898093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.899021] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.899927] do_seccomp+0x349/0x25e0 [ 41.900655] ? find_held_lock+0x2b/0x80 [ 41.901415] ? do_prlimit+0x310/0x610 [ 41.902106] ? __pfx_do_seccomp+0x10/0x10 [ 41.902900] ? do_raw_spin_unlock+0x53/0x220 [ 41.903741] ? _raw_spin_unlock+0x1e/0x40 [ 41.904521] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.905490] ? static_key_count+0x60/0x80 [ 41.906302] prctl_set_seccomp+0x4e/0x70 [ 41.907025] __do_sys_prctl+0xe6c/0x1d70 [ 41.907799] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.908663] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.909639] ? irqentry_exit+0xf3/0x650 [ 41.910410] do_syscall_64+0xbf/0x430 [ 41.911096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.912050] RIP: 0033:0x7f8ce92715cd [ 41.912756] 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 [ 41.915941] RSP: 002b:00007fff8a73b2d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.917309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ce92715cd [ 41.918599] RDX: 000055da051dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.919751] RBP: 00007fff8a73b330 R08: 0000000000000000 R09: 00007fff8a73a9d0 [ 41.920821] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da4389ead0 [ 41.921890] R13: 00007fff8a73b760 R14: 000055da4389fbc0 R15: 000055da438b0780 [ 41.922987] [ 41.923381] irq event stamp: 1793 [ 41.923895] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 41.925201] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 41.926507] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 41.927817] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 41.929110] ---[ end trace 0000000000000000 ]--- [ 42.522116] ------------[ cut here ]------------ [ 42.522609] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.523737] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 42.524720] Modules linked in: [ 42.525098] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.526363] Tainted: [W]=WARN [ 42.526726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.527660] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.528247] 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 [ 42.530280] RSP: 0018:ffff888015e77bc0 EFLAGS: 00010286 [ 42.530874] RAX: 0000000000000000 RBX: ffffed1002bcef78 RCX: ffffffff813a4050 [ 42.531704] RDX: ffff88800f0d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.532514] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bcef2f [ 42.533324] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.534112] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e77df8 [ 42.534947] FS: 00007fb08683c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.535854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.536524] CR2: 00007fff98866ef7 CR3: 000000002098e000 CR4: 0000000000350ef0 [ 42.537341] Call Trace: [ 42.537635] [ 42.537898] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.538483] ? __create_object+0x59/0x80 [ 42.538953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.539566] __vmalloc_noprof+0x59/0x60 [ 42.540018] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.540569] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.541135] bpf_prog_alloc+0x39/0x200 [ 42.541614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.542208] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.542755] do_seccomp+0x349/0x25e0 [ 42.543216] ? find_held_lock+0x2b/0x80 [ 42.543673] ? do_prlimit+0x310/0x610 [ 42.544116] ? __pfx_do_seccomp+0x10/0x10 [ 42.544622] ? do_raw_spin_unlock+0x53/0x220 [ 42.545123] ? _raw_spin_unlock+0x1e/0x40 [ 42.545622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.546241] ? static_key_count+0x60/0x80 [ 42.546724] prctl_set_seccomp+0x4e/0x70 [ 42.547214] __do_sys_prctl+0xe6c/0x1d70 [ 42.547683] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.548229] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.548814] ? irqentry_exit+0xf3/0x650 [ 42.549289] do_syscall_64+0xbf/0x430 [ 42.549733] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.550341] RIP: 0033:0x7fb086d2e5cd [ 42.550767] 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 [ 42.552780] RSP: 002b:00007fff98865650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.553649] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb086d2e5cd [ 42.554483] RDX: 000055add2952e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.555294] RBP: 00007fff988656b0 R08: 0000000000000000 R09: 00007fff98864d50 [ 42.556077] R10: 0000000000000000 R11: 0000000000000246 R12: 000055adf5259bf0 [ 42.556895] R13: 00007fff98865ae0 R14: 000055adf5263380 R15: 000055adf526e460 [ 42.557729] [ 42.558001] irq event stamp: 1663 [ 42.558402] hardirqs last enabled at (1673): [] __up_console_sem+0x78/0x80 [ 42.559137] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 42.559899] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 42.560680] softirqs last disabled at (1169): [] __irq_exit_rcu+0xc4/0x100 [ 42.561447] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10660' (ECDSA) to the list of known hosts. 2025/11/17 13:09:35 fuzzer started 2025/11/17 13:09:35 dialing manager at localhost:37895 2025/11/17 13:09:35 checking machine... 2025/11/17 13:09:35 checking revisions... [ 43.327760] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:09:36 testing simple program... [ 43.414780] cgroup: Unknown subsys name 'net' [ 43.474982] cgroup: Unknown subsys name 'cpuset' [ 43.490416] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:09:35 Registers: info registers vcpu 0 RAX=0000000000045179 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0576185028 CR3=000000000bcc4000 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=39303a333120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3334325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343236 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000400d5 RBX=ffff888019541bc0 RCX=9d2113cd2b46cd16 RDX=000000008edcc8e5 RSI=0000000070ed9d95 RDI=0000000000003555 RBP=ffff888019542618 RSP=ffff88801a8b7da8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888019542618 R13=00000000ffca667a R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815275ef RFL=00000082 [--S----] 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 00007f8ce8d7f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff8a735000 CR3=000000002098e000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000