syzkaller login: [ 46.018570] ------------[ cut here ]------------ [ 46.019569] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.021664] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.023261] Modules linked in: [ 46.024154] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.026259] Tainted: [W]=WARN [ 46.026878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.028387] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.029326] 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 [ 46.032618] RSP: 0018:ffff888015c77bc0 EFLAGS: 00010286 [ 46.033633] RAX: 0000000000000000 RBX: ffffed1002b8ef78 RCX: ffffffff813a4050 [ 46.034936] RDX: ffff888013d70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.036256] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b8ef2f [ 46.037582] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.038860] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015c77df8 [ 46.040167] FS: 00007fe1c176a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.041595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.042690] CR2: 00007ffd3991def7 CR3: 000000000a0af000 CR4: 0000000000350ef0 [ 46.043990] Call Trace: [ 46.044453] [ 46.044906] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.045765] ? __create_object+0x59/0x80 [ 46.046548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.047531] __vmalloc_noprof+0x59/0x60 [ 46.048283] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.049166] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.050102] bpf_prog_alloc+0x39/0x200 [ 46.050798] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.051727] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.052636] do_seccomp+0x349/0x25e0 [ 46.053360] ? find_held_lock+0x2b/0x80 [ 46.054132] ? do_prlimit+0x310/0x610 [ 46.054867] ? __pfx_do_seccomp+0x10/0x10 [ 46.055617] ? do_raw_spin_unlock+0x53/0x220 [ 46.056445] ? _raw_spin_unlock+0x1e/0x40 [ 46.057205] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.058162] ? static_key_count+0x60/0x80 [ 46.058961] prctl_set_seccomp+0x4e/0x70 [ 46.059695] __do_sys_prctl+0xe6c/0x1d70 [ 46.060477] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.061330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.062295] ? irqentry_exit+0xf3/0x650 [ 46.063067] do_syscall_64+0xbf/0x430 [ 46.063751] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.064690] RIP: 0033:0x7fe1c1c5c5cd [ 46.065395] 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 [ 46.068558] RSP: 002b:00007ffd3991c110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.069888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1c1c5c5cd [ 46.071167] RDX: 0000560b10207e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.072433] RBP: 00007ffd3991c170 R08: 0000000000000000 R09: 00007ffd3991b810 [ 46.073680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b2d4702b0 [ 46.074967] R13: 00007ffd3991c5a0 R14: 0000560b2d472d20 R15: 0000560b2d4848d0 [ 46.076251] [ 46.076663] irq event stamp: 1825 [ 46.077301] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 46.078795] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 46.080326] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 46.081848] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 46.083351] ---[ end trace 0000000000000000 ]--- [ 49.604192] ------------[ cut here ]------------ [ 49.605118] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.607185] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.608635] Modules linked in: [ 49.609267] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.612661] Tainted: [W]=WARN [ 49.613345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.614839] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.615719] 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 [ 49.618870] RSP: 0018:ffff888016c9fbc0 EFLAGS: 00010286 [ 49.619866] RAX: 0000000000000000 RBX: ffffed1002d93f78 RCX: ffffffff813a4050 [ 49.621141] RDX: ffff8880193fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.622435] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d93f2f [ 49.623715] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.624996] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c9fdf8 [ 49.626266] FS: 00007f7ae40d9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.627707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.628762] CR2: 00007ffcdb99bef7 CR3: 000000000db90000 CR4: 0000000000350ef0 [ 49.630048] Call Trace: [ 49.630504] [ 49.630959] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.631856] ? __create_object+0x59/0x80 [ 49.632595] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.633573] __vmalloc_noprof+0x59/0x60 [ 49.634327] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.635208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.636149] bpf_prog_alloc+0x39/0x200 [ 49.636892] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.637766] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.638677] do_seccomp+0x349/0x25e0 [ 49.639406] ? find_held_lock+0x2b/0x80 [ 49.640166] ? do_prlimit+0x310/0x610 [ 49.640903] ? __pfx_do_seccomp+0x10/0x10 [ 49.641640] ? do_raw_spin_unlock+0x53/0x220 [ 49.642475] ? _raw_spin_unlock+0x1e/0x40 [ 49.643270] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.644238] ? static_key_count+0x60/0x80 [ 49.645053] prctl_set_seccomp+0x4e/0x70 [ 49.645797] __do_sys_prctl+0xe6c/0x1d70 [ 49.646584] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.647452] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.648423] ? irqentry_exit+0xf3/0x650 [ 49.649196] do_syscall_64+0xbf/0x430 [ 49.649942] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.650891] RIP: 0033:0x7f7ae45cb5cd [ 49.651564] 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 [ 49.654725] RSP: 002b:00007ffcdb99aa40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.656089] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ae45cb5cd [ 49.657377] RDX: 000056025966be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.658658] RBP: 00007ffcdb99aaa0 R08: 0000000000000000 R09: 00007ffcdb99a140 [ 49.659970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560270791240 [ 49.661246] R13: 00007ffcdb99aed0 R14: 0000560270790bf0 R15: 00005602707a54d0 [ 49.662543] [ 49.663018] irq event stamp: 2105 [ 49.663634] hardirqs last enabled at (2113): [] __up_console_sem+0x78/0x80 [ 49.665166] hardirqs last disabled at (2122): [] __up_console_sem+0x5d/0x80 [ 49.666688] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 49.668248] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 49.669755] ---[ end trace 0000000000000000 ]--- [ 50.452875] ------------[ cut here ]------------ [ 50.453753] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.455869] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.457308] Modules linked in: [ 50.457936] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.459936] Tainted: [W]=WARN [ 50.460495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.461963] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.462872] 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 [ 50.466052] RSP: 0018:ffff88801a257bc0 EFLAGS: 00010286 [ 50.467049] RAX: 0000000000000000 RBX: ffffed100344af78 RCX: ffffffff813a4050 [ 50.468350] RDX: ffff88801b4d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.469645] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100344af2f [ 50.470924] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.472225] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a257df8 [ 50.473517] FS: 00007fc054033900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.474982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.476072] CR2: 00007fc054525580 CR3: 000000000dff3000 CR4: 0000000000350ef0 [ 50.477376] Call Trace: [ 50.477877] [ 50.478296] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.479212] ? __create_object+0x59/0x80 [ 50.479994] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.480973] __vmalloc_noprof+0x59/0x60 [ 50.481690] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.482571] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.483535] bpf_prog_alloc+0x39/0x200 [ 50.484275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.485215] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.486127] do_seccomp+0x349/0x25e0 [ 50.486800] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.487722] ? __pfx_do_seccomp+0x10/0x10 [ 50.488519] ? find_held_lock+0x2b/0x80 [ 50.489285] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.490258] ? static_key_count+0x60/0x80 [ 50.491066] prctl_set_seccomp+0x4e/0x70 [ 50.491804] __do_sys_prctl+0xe6c/0x1d70 [ 50.492589] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.493452] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.494441] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.495420] ? irqentry_exit+0xf3/0x650 [ 50.496195] do_syscall_64+0xbf/0x430 [ 50.496924] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.497885] RIP: 0033:0x7fc0545255cd [ 50.498548] 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 [ 50.501721] RSP: 002b:00007fff011a2880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.503100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0545255cd [ 50.504393] RDX: 000055a21ecc1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.505685] RBP: 00007fff011a28e0 R08: 0000000000000000 R09: 00007fff011a1f80 [ 50.506961] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a2252d5ad0 [ 50.508259] R13: 00007fff011a2d10 R14: 000055a2252d6bc0 R15: 000055a2252e7780 [ 50.509572] [ 50.510041] irq event stamp: 1851 [ 50.510654] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 50.512186] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 50.513705] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 50.515253] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 50.516564] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16830' (ECDSA) to the list of known hosts. 2025/11/18 06:48:14 fuzzer started 2025/11/18 06:48:14 dialing manager at localhost:37895 2025/11/18 06:48:14 checking machine... 2025/11/18 06:48:14 checking revisions... [ 51.439068] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:48:15 testing simple program... [ 51.532210] cgroup: Unknown subsys name 'net' [ 51.598572] cgroup: Unknown subsys name 'cpuset' [ 51.612862] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:48:14 Registers: info registers vcpu 0 RAX=ffff888009f223c0 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff888009f113e0 RSI=0000000000000000 RDI=ffff888009f25228 RBP=ffff888009f25228 RSP=ffff88806ce08dc8 R8 =0000000000000001 R9 =ffffed100d9c11aa R10=0000000000000003 R11=0000000000000001 R12=ffff888009f233e0 R13=0000000000000246 R14=ffff888009f25228 R15=ffff88800945d3c0 RIP=ffffffff81b61984 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9700f4f000 CR3=000000000be6a000 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=c5c41a8b2acac1a3374f96693e3828d1 XMM02=0000000000306808ec2efd57dc4c00df XMM03=0000000000313df067d78b3e2a60ed60 XMM04=3f14b7bbf24e74c000000000000ae988 XMM05=d96330e2d2db86320000000000322f70 XMM06=62a7c2d7bb43f5d5000000000031c598 XMM07=e042d86d42eb936e0000000000314070 XMM08=67d78b3e2a60ed600000000000306868 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000004 RCX=ffffffff84bec914 RDX=ffff8880193f9bc0 RSI=0000000000000009 RDI=0000000000000005 RBP=ffffffff85525880 RSP=ffff888016e77990 R8 =1ffff11002dcefd2 R9 =fffffbfff0cc9eca R10=0000000000000004 R11=0000000000000001 R12=0000000000000004 R13=0000000000000005 R14=000000000000000a R15=0000000000000003 RIP=ffffffff8175184a 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 00007f7ae40d9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7ae40b8020 CR3=0000000020076000 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=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