syzkaller login: [ 45.398565] ------------[ cut here ]------------ [ 45.399618] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.401981] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.403668] Modules linked in: [ 45.404627] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.407269] Tainted: [W]=WARN [ 45.407917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.409613] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.410670] 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 [ 45.414341] RSP: 0018:ffff8880159a7bc0 EFLAGS: 00010286 [ 45.415463] RAX: 0000000000000000 RBX: ffffed1002b34f78 RCX: ffffffff813a4050 [ 45.416933] RDX: ffff888018ab0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.418443] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b34f2f [ 45.419914] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.421421] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880159a7df8 [ 45.422901] FS: 00007f7854b6b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.424571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.425820] CR2: 00007f78550d14a6 CR3: 000000000d849000 CR4: 0000000000350ef0 [ 45.427094] Call Trace: [ 45.427599] [ 45.428009] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.428899] ? __create_object+0x59/0x80 [ 45.429686] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.430650] __vmalloc_noprof+0x59/0x60 [ 45.431391] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.432246] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.433115] bpf_prog_alloc+0x39/0x200 [ 45.433874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.434797] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.435682] do_seccomp+0x349/0x25e0 [ 45.436392] ? find_held_lock+0x2b/0x80 [ 45.437097] ? do_prlimit+0x310/0x610 [ 45.437887] ? __pfx_do_seccomp+0x10/0x10 [ 45.438676] ? do_raw_spin_unlock+0x53/0x220 [ 45.439492] ? _raw_spin_unlock+0x1e/0x40 [ 45.440272] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.441234] ? static_key_count+0x60/0x80 [ 45.441982] prctl_set_seccomp+0x4e/0x70 [ 45.442743] __do_sys_prctl+0xe6c/0x1d70 [ 45.443509] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.444358] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.445316] ? irqentry_exit+0xf3/0x650 [ 45.446025] do_syscall_64+0xbf/0x430 [ 45.446744] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.447683] RIP: 0033:0x7f785505d5cd [ 45.448439] 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 [ 45.451867] RSP: 002b:00007ffd4ac2a0f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.453102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f785505d5cd [ 45.454158] RDX: 000055bd250cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.455206] RBP: 00007ffd4ac2a150 R08: 0000000000000000 R09: 00007ffd4ac297f0 [ 45.456225] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd442dfad0 [ 45.457255] R13: 00007ffd4ac2a580 R14: 000055bd442e0bc0 R15: 000055bd442f1780 [ 45.458300] [ 45.458639] irq event stamp: 1883 [ 45.459122] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 45.460346] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 45.461561] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 45.462796] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 45.464010] ---[ end trace 0000000000000000 ]--- [ 48.198219] ------------[ cut here ]------------ [ 48.199168] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.201407] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.202919] Modules linked in: [ 48.203559] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.205767] Tainted: [W]=WARN [ 48.206431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.207863] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.208759] 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 [ 48.212005] RSP: 0018:ffff88800e10fbc0 EFLAGS: 00010286 [ 48.213070] RAX: 0000000000000000 RBX: ffffed1001c21f78 RCX: ffffffff813a4050 [ 48.214586] RDX: ffff888016343780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.216030] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c21f2f [ 48.217363] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.218661] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e10fdf8 [ 48.219961] FS: 00007f02a4264900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.221430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.222505] CR2: 00007f02a4756580 CR3: 000000000d6ee000 CR4: 0000000000350ef0 [ 48.223809] Call Trace: [ 48.224324] [ 48.224742] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.225665] ? __create_object+0x59/0x80 [ 48.226460] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.227442] __vmalloc_noprof+0x59/0x60 [ 48.228165] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.229058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.230013] bpf_prog_alloc+0x39/0x200 [ 48.230764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.231704] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.232617] do_seccomp+0x349/0x25e0 [ 48.233353] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.234263] ? __pfx_do_seccomp+0x10/0x10 [ 48.235017] ? find_held_lock+0x2b/0x80 [ 48.235781] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.236756] ? static_key_count+0x60/0x80 [ 48.237576] prctl_set_seccomp+0x4e/0x70 [ 48.238362] __do_sys_prctl+0xe6c/0x1d70 [ 48.239114] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.239975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.240956] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.241958] ? irqentry_exit+0xf3/0x650 [ 48.242739] do_syscall_64+0xbf/0x430 [ 48.243495] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.244460] RIP: 0033:0x7f02a47565cd [ 48.245131] 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 [ 48.248357] RSP: 002b:00007ffc60ab9910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.249758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02a47565cd [ 48.251058] RDX: 000055e4839b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.252353] RBP: 00007ffc60ab9970 R08: 0000000000000000 R09: 00007ffc60ab9010 [ 48.253617] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e498032b10 [ 48.254702] R13: 00007ffc60ab9da0 R14: 000055e4980332b0 R15: 000055e4980476f0 [ 48.255814] [ 48.256200] irq event stamp: 1841 [ 48.256714] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 48.258018] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 48.259314] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 48.260616] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 48.261913] ---[ end trace 0000000000000000 ]--- [ 49.039972] ------------[ cut here ]------------ [ 49.040914] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.043089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.044579] Modules linked in: [ 49.045232] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.047249] Tainted: [W]=WARN [ 49.047811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.049338] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.050276] 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 [ 49.053525] RSP: 0018:ffff88800f577bc0 EFLAGS: 00010286 [ 49.054529] RAX: 0000000000000000 RBX: ffffed1001eaef78 RCX: ffffffff813a4050 [ 49.055840] RDX: ffff88800f2d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.057149] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001eaef2f [ 49.058479] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.059789] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f577df8 [ 49.061097] FS: 00007ff7731a7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.062581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.063666] CR2: 00007ffc58a15ef8 CR3: 000000001f843000 CR4: 0000000000350ef0 [ 49.064977] Call Trace: [ 49.065503] [ 49.065921] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.066845] ? __create_object+0x59/0x80 [ 49.067635] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.068620] __vmalloc_noprof+0x59/0x60 [ 49.069411] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.070312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.071251] bpf_prog_alloc+0x39/0x200 [ 49.071942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.072877] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.073792] do_seccomp+0x349/0x25e0 [ 49.074512] ? find_held_lock+0x2b/0x80 [ 49.075274] ? do_prlimit+0x310/0x610 [ 49.075973] ? __pfx_do_seccomp+0x10/0x10 [ 49.076763] ? do_raw_spin_unlock+0x53/0x220 [ 49.077609] ? _raw_spin_unlock+0x1e/0x40 [ 49.078381] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.079336] ? static_key_count+0x60/0x80 [ 49.080103] prctl_set_seccomp+0x4e/0x70 [ 49.080883] __do_sys_prctl+0xe6c/0x1d70 [ 49.081677] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.082538] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.083514] ? irqentry_exit+0xf3/0x650 [ 49.084296] do_syscall_64+0xbf/0x430 [ 49.084991] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.085958] RIP: 0033:0x7ff7736995cd [ 49.086657] 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 [ 49.089823] RSP: 002b:00007ffc58a14590 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.091209] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7736995cd [ 49.092492] RDX: 00005641f1772e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.093788] RBP: 00007ffc58a145f0 R08: 0000000000000000 R09: 00007ffc58a13c90 [ 49.095076] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641fb4bf240 [ 49.096376] R13: 00007ffc58a14a20 R14: 00005641fb4c8380 R15: 00005641fb4d3540 [ 49.097687] [ 49.098111] irq event stamp: 1695 [ 49.098769] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 49.100287] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 49.101811] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 49.103376] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 49.104889] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38457' (ECDSA) to the list of known hosts. 2025/11/17 19:53:53 fuzzer started 2025/11/17 19:53:53 dialing manager at localhost:37895 2025/11/17 19:53:53 checking machine... 2025/11/17 19:53:53 checking revisions... [ 50.016904] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:53:54 testing simple program... [ 50.103961] cgroup: Unknown subsys name 'net' [ 50.163050] cgroup: Unknown subsys name 'cpuset' [ 50.176143] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:53:53 Registers: info registers vcpu 0 RAX=ffffffff81b4832b RBX=0000000000000001 RCX=ffff8880175a7500 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff8880162a83fc RBP=ffff8880175a7510 RSP=ffff88801889f920 R8 =0000000000000000 R9 =0000000000000000 R10=00000000000001c8 R11=ffffffff81b542a7 R12=00000000000001c8 R13=ffff88807ffdc640 R14=0000000000000cc0 R15=0000000000000006 RIP=ffffffff81b4832c 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 00007f02a4264900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f02a4819650 CR3=000000001f97c000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88800e327f58 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=ffff88800e327f48 RSP=ffff88800e327f28 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000000 R13=00000000000000ca R14=0000000000000000 R15=0000000000000000 RIP=ffffffff817d992d RFL=00000002 [-------] 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 00007f8573049700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055e49805a748 CR3=000000000d9a9000 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=33353a393120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343139 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000