syzkaller login: [ 38.980188] ------------[ cut here ]------------ [ 38.981119] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.983153] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.984641] Modules linked in: [ 38.985246] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.987231] Tainted: [W]=WARN [ 38.987847] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.989317] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.990262] 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 [ 38.993451] RSP: 0018:ffff88801693fbc0 EFLAGS: 00010286 [ 38.994453] RAX: 0000000000000000 RBX: ffffed1002d27f78 RCX: ffffffff813a4050 [ 38.995736] RDX: ffff8880168a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.997005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d27f2f [ 38.998336] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.999638] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801693fdf8 [ 39.000924] FS: 00007f6b11c72900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.002385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.003471] CR2: 00007f6b12164580 CR3: 000000000a5c3000 CR4: 0000000000350ef0 [ 39.004809] Call Trace: [ 39.005275] [ 39.005801] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.006715] ? __create_object+0x59/0x80 [ 39.007465] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.008443] __vmalloc_noprof+0x59/0x60 [ 39.009212] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.010137] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.011152] bpf_prog_alloc+0x39/0x200 [ 39.011904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.012840] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.013745] do_seccomp+0x349/0x25e0 [ 39.014435] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.015339] ? __pfx_do_seccomp+0x10/0x10 [ 39.016168] ? find_held_lock+0x2b/0x80 [ 39.016990] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.017971] ? static_key_count+0x60/0x80 [ 39.018792] prctl_set_seccomp+0x4e/0x70 [ 39.019591] __do_sys_prctl+0xe6c/0x1d70 [ 39.020324] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.021215] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.022257] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.023241] ? irqentry_exit+0xf3/0x650 [ 39.024024] do_syscall_64+0xbf/0x430 [ 39.024780] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.025746] RIP: 0033:0x7f6b121645cd [ 39.026420] 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 [ 39.029593] RSP: 002b:00007fff691838f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.030969] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b121645cd [ 39.032283] RDX: 0000558fbbeb0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.033640] RBP: 00007fff69183950 R08: 0000000000000000 R09: 00007fff69182ff0 [ 39.034969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558fc1b44ad0 [ 39.036272] R13: 00007fff69183d80 R14: 0000558fc1b45bc0 R15: 0000558fc1b56780 [ 39.037640] [ 39.038105] irq event stamp: 1727 [ 39.038752] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 39.040285] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 39.041832] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 39.043398] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 39.044924] ---[ end trace 0000000000000000 ]--- [ 42.470704] ------------[ cut here ]------------ [ 42.471710] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.473880] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.475475] Modules linked in: [ 42.476185] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.478632] Tainted: [W]=WARN [ 42.479243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.480898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.481894] 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 [ 42.485350] RSP: 0018:ffff888017897bc0 EFLAGS: 00010286 [ 42.486425] RAX: 0000000000000000 RBX: ffffed1002f12f78 RCX: ffffffff813a4050 [ 42.487820] RDX: ffff888013d45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.489204] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f12f2f [ 42.490613] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.492007] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017897df8 [ 42.493397] FS: 00007fe1f6f12900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.494973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.496128] CR2: 00007fe1f7404580 CR3: 000000001fa6e000 CR4: 0000000000350ef0 [ 42.497536] Call Trace: [ 42.498048] [ 42.498541] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.499470] ? __create_object+0x59/0x80 [ 42.500318] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.501373] __vmalloc_noprof+0x59/0x60 [ 42.502214] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.503163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.504185] bpf_prog_alloc+0x39/0x200 [ 42.504978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.506005] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.506980] do_seccomp+0x349/0x25e0 [ 42.507750] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.508724] ? __pfx_do_seccomp+0x10/0x10 [ 42.509583] ? find_held_lock+0x2b/0x80 [ 42.510376] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.511418] ? static_key_count+0x60/0x80 [ 42.512294] prctl_set_seccomp+0x4e/0x70 [ 42.513150] __do_sys_prctl+0xe6c/0x1d70 [ 42.514016] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.514941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.515989] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.517045] ? irqentry_exit+0xf3/0x650 [ 42.517873] do_syscall_64+0xbf/0x430 [ 42.518688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.519722] RIP: 0033:0x7fe1f74045cd [ 42.520433] 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 [ 42.523883] RSP: 002b:00007fffc5a89830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.525363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1f74045cd [ 42.526764] RDX: 000055eb113dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.528152] RBP: 00007fffc5a89890 R08: 0000000000000000 R09: 00007fffc5a88f30 [ 42.529552] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb285af2b0 [ 42.530964] R13: 00007fffc5a89cc0 R14: 000055eb285b1d20 R15: 000055eb285c38d0 [ 42.532372] [ 42.532867] irq event stamp: 1797 [ 42.533566] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.535204] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.536647] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.538116] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 42.539545] ---[ end trace 0000000000000000 ]--- [ 43.370345] ------------[ cut here ]------------ [ 43.371323] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.373356] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.375075] Modules linked in: [ 43.375791] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.377794] Tainted: [W]=WARN [ 43.378369] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.379851] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.380772] 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 [ 43.383984] RSP: 0018:ffff88801b0d7bc0 EFLAGS: 00010286 [ 43.384968] RAX: 0000000000000000 RBX: ffffed100361af78 RCX: ffffffff813a4050 [ 43.386283] RDX: ffff8880177d5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.387581] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100361af2f [ 43.388879] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.390188] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b0d7df8 [ 43.391496] FS: 00007fd9c5a14900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.392969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.394055] CR2: 00007fd9c5f06580 CR3: 000000001be94000 CR4: 0000000000350ef0 [ 43.395350] Call Trace: [ 43.395866] [ 43.396287] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.397196] ? __create_object+0x59/0x80 [ 43.397989] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.398963] __vmalloc_noprof+0x59/0x60 [ 43.399721] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.400594] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.401488] bpf_prog_alloc+0x39/0x200 [ 43.402236] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.403149] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.404051] do_seccomp+0x349/0x25e0 [ 43.404766] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.405676] ? __pfx_do_seccomp+0x10/0x10 [ 43.406432] ? find_held_lock+0x2b/0x80 [ 43.407188] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.408141] ? static_key_count+0x60/0x80 [ 43.408942] prctl_set_seccomp+0x4e/0x70 [ 43.409720] __do_sys_prctl+0xe6c/0x1d70 [ 43.410482] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.411362] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.412347] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.413334] ? irqentry_exit+0xf3/0x650 [ 43.414137] do_syscall_64+0xbf/0x430 [ 43.414888] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.415864] RIP: 0033:0x7fd9c5f065cd [ 43.416583] 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 [ 43.419840] RSP: 002b:00007ffc5bd7f800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.421231] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd9c5f065cd [ 43.422564] RDX: 000055f0e3ccde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.423875] RBP: 00007ffc5bd7f860 R08: 0000000000000000 R09: 00007ffc5bd7ef00 [ 43.425199] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f0e8b79b10 [ 43.426529] R13: 00007ffc5bd7fc90 R14: 000055f0e8b7a2b0 R15: 000055f0e8b8e6f0 [ 43.427859] [ 43.428291] irq event stamp: 1863 [ 43.428956] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 43.430528] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 43.432083] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 43.433672] softirqs last disabled at (1901): [] __irq_exit_rcu+0xc4/0x100 [ 43.435231] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22347' (ECDSA) to the list of known hosts. 2025/11/18 10:20:35 fuzzer started 2025/11/18 10:20:36 dialing manager at localhost:34383 2025/11/18 10:20:36 checking machine... 2025/11/18 10:20:36 checking revisions... [ 44.349155] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:20:36 testing simple program... [ 44.447221] cgroup: Unknown subsys name 'net' [ 44.513191] cgroup: Unknown subsys name 'cpuset' [ 44.527454] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:20:35 Registers: info registers vcpu 0 RAX=ffffffff87ae2fa8 RBX=ffff888016179bc0 RCX=7e26f13f8bf2fba7 RDX=0000000019851a54 RSI=00000000e677547e RDI=ffff88801617a618 RBP=ffff88801617a618 RSP=ffff888016957ac8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801617a618 R13=000000000000345e R14=0000000000000000 R15=7e26f13f8bf2fba7 RIP=ffffffff81527b66 RFL=00000012 [----A--] 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 00007fe1f6f12900 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=00007fc0f4a47000 CR3=000000000b61f000 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=30323a303120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732035333a3032 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303632 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=00000000000222db 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=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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0546232000 CR3=000000000c249000 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=97f6cd6c5a293785744499f7effd1f04 XMM02=ec2efd57dc4c00df0000000000302728 XMM03=81d6a0114ee88f7800000000003027f8 XMM04=ee3dd56b1381147800000000000ae988 XMM05=4ab225f5e3540d740000000000320a48 XMM06=817b8945e9d50373000000000031ecf8 XMM07=e042d86d42eb936e000000000030e6c8 XMM08=81d6a0114ee88f7800000000003027f8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000