syzkaller login: [ 38.940872] ------------[ cut here ]------------ [ 38.941836] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.943828] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.945313] Modules linked in: [ 38.945919] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.947920] Tainted: [W]=WARN [ 38.948505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.949961] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.950865] 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 [ 38.954008] RSP: 0018:ffff88801bdb7bc0 EFLAGS: 00010286 [ 38.954972] RAX: 0000000000000000 RBX: ffffed10037b6f78 RCX: ffffffff813a4050 [ 38.956259] RDX: ffff88801bed0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.957532] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10037b6f2f [ 38.958800] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.960079] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bdb7df8 [ 38.961339] FS: 00007fa765102900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.962763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.963823] CR2: 00007fa7655f4580 CR3: 000000000cbae000 CR4: 0000000000350ef0 [ 38.965091] Call Trace: [ 38.965597] [ 38.966006] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.966900] ? __create_object+0x59/0x80 [ 38.967654] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.968629] __vmalloc_noprof+0x59/0x60 [ 38.969385] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.970258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.971137] bpf_prog_alloc+0x39/0x200 [ 38.971881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.972795] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.973701] do_seccomp+0x349/0x25e0 [ 38.974410] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.975302] ? __pfx_do_seccomp+0x10/0x10 [ 38.976048] ? find_held_lock+0x2b/0x80 [ 38.976802] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.977753] ? static_key_count+0x60/0x80 [ 38.978544] prctl_set_seccomp+0x4e/0x70 [ 38.979317] __do_sys_prctl+0xe6c/0x1d70 [ 38.980068] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.980925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.981886] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.982845] ? irqentry_exit+0xf3/0x650 [ 38.983605] do_syscall_64+0xbf/0x430 [ 38.984337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.985283] RIP: 0033:0x7fa7655f45cd [ 38.985929] 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 [ 38.989052] RSP: 002b:00007ffd4ad936e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.990398] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7655f45cd [ 38.991661] RDX: 00005600007c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.992811] RBP: 00007ffd4ad93740 R08: 0000000000000000 R09: 00007ffd4ad92de0 [ 38.993869] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560016c76ad0 [ 38.994930] R13: 00007ffd4ad93b70 R14: 0000560016c77bc0 R15: 0000560016c88780 [ 38.996015] [ 38.996398] irq event stamp: 1803 [ 38.996896] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 38.998154] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 38.999431] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 39.000712] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 39.001963] ---[ end trace 0000000000000000 ]--- [ 42.388714] ------------[ cut here ]------------ [ 42.389671] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.391816] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.393341] Modules linked in: [ 42.393972] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.396423] Tainted: [W]=WARN [ 42.397008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.398645] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.399633] 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 [ 42.402987] RSP: 0018:ffff88801bb87bc0 EFLAGS: 00010286 [ 42.404043] RAX: 0000000000000000 RBX: ffffed1003770f78 RCX: ffffffff813a4050 [ 42.405413] RDX: ffff88800f47d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.406761] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003770f2f [ 42.408130] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.409483] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801bb87df8 [ 42.410845] FS: 00007fe96bdb8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.412466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.413526] CR2: 00007ffe4c68fef7 CR3: 0000000020b4a000 CR4: 0000000000350ef0 [ 42.414811] Call Trace: [ 42.415322] [ 42.415734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.416647] ? __create_object+0x59/0x80 [ 42.417429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.418390] __vmalloc_noprof+0x59/0x60 [ 42.419100] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.419983] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.420889] bpf_prog_alloc+0x39/0x200 [ 42.421613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.422541] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.423439] do_seccomp+0x349/0x25e0 [ 42.424125] ? find_held_lock+0x2b/0x80 [ 42.424877] ? do_prlimit+0x310/0x610 [ 42.425620] ? __pfx_do_seccomp+0x10/0x10 [ 42.426389] ? do_raw_spin_unlock+0x53/0x220 [ 42.427162] ? _raw_spin_unlock+0x1e/0x40 [ 42.427947] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.428901] ? static_key_count+0x60/0x80 [ 42.429693] prctl_set_seccomp+0x4e/0x70 [ 42.430468] __do_sys_prctl+0xe6c/0x1d70 [ 42.431253] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.432068] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.433027] ? irqentry_exit+0xf3/0x650 [ 42.433796] do_syscall_64+0xbf/0x430 [ 42.434529] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.435469] RIP: 0033:0x7fe96c2aa5cd [ 42.436142] 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 [ 42.439262] RSP: 002b:00007ffe4c68df50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.440649] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe96c2aa5cd [ 42.441943] RDX: 00005605cb4f6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.443230] RBP: 00007ffe4c68dfb0 R08: 0000000000000000 R09: 00007ffe4c68d650 [ 42.444516] R10: 0000000000000000 R11: 0000000000000246 R12: 00005605f90e1ad0 [ 42.445790] R13: 00007ffe4c68e3e0 R14: 00005605f90e2bc0 R15: 00005605f90f3780 [ 42.447087] [ 42.447551] irq event stamp: 1863 [ 42.448161] hardirqs last enabled at (1871): [] __up_console_sem+0x78/0x80 [ 42.449698] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 42.451219] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 42.452770] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 42.454270] ---[ end trace 0000000000000000 ]--- [ 43.275896] ------------[ cut here ]------------ [ 43.276853] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.278644] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.279918] Modules linked in: [ 43.280446] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.282171] Tainted: [W]=WARN [ 43.282676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.283950] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.284763] 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 [ 43.287893] RSP: 0018:ffff8880172cfbc0 EFLAGS: 00010286 [ 43.288757] RAX: 0000000000000000 RBX: ffffed1002e59f78 RCX: ffffffff813a4050 [ 43.289865] RDX: ffff888016e63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.290950] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e59f2f [ 43.292065] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.293146] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172cfdf8 [ 43.294235] FS: 00007f1e8a17a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.295469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.296403] CR2: 00007ffd8a081ef7 CR3: 000000002109d000 CR4: 0000000000350ef0 [ 43.297513] Call Trace: [ 43.297903] [ 43.298286] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.299016] ? __create_object+0x59/0x80 [ 43.299694] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.300542] __vmalloc_noprof+0x59/0x60 [ 43.301136] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.301872] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.302683] bpf_prog_alloc+0x39/0x200 [ 43.303298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.304074] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.304847] do_seccomp+0x349/0x25e0 [ 43.305450] ? find_held_lock+0x2b/0x80 [ 43.306075] ? do_prlimit+0x310/0x610 [ 43.306734] ? __pfx_do_seccomp+0x10/0x10 [ 43.307390] ? do_raw_spin_unlock+0x53/0x220 [ 43.308118] ? _raw_spin_unlock+0x1e/0x40 [ 43.308801] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.309630] ? static_key_count+0x60/0x80 [ 43.310313] prctl_set_seccomp+0x4e/0x70 [ 43.310936] __do_sys_prctl+0xe6c/0x1d70 [ 43.311610] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.312330] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.313118] ? irqentry_exit+0xf3/0x650 [ 43.313779] do_syscall_64+0xbf/0x430 [ 43.314386] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.315160] RIP: 0033:0x7f1e8a66c5cd [ 43.315768] 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 [ 43.318481] RSP: 002b:00007ffd8a080950 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.319659] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e8a66c5cd [ 43.320774] RDX: 00005645fe320e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.321878] RBP: 00007ffd8a0809b0 R08: 0000000000000000 R09: 00007ffd8a080050 [ 43.322996] R10: 0000000000000000 R11: 0000000000000246 R12: 00005646321e3ad0 [ 43.324113] R13: 00007ffd8a080de0 R14: 00005646321e4bc0 R15: 00005646321f5780 [ 43.325223] [ 43.325582] irq event stamp: 1783 [ 43.326101] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 43.327385] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 43.328719] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 43.330028] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 43.331311] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24861' (ECDSA) to the list of known hosts. 2025/11/18 10:48:49 fuzzer started 2025/11/18 10:48:49 dialing manager at localhost:34383 2025/11/18 10:48:49 checking machine... 2025/11/18 10:48:49 checking revisions... [ 44.269401] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:48:50 testing simple program... [ 44.355873] cgroup: Unknown subsys name 'net' [ 44.415058] cgroup: Unknown subsys name 'cpuset' [ 44.434481] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:48:49 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00005605f90f9ed0 RCX=0000000000000020 RDX=0000000000000140 RSI=000000000000000a RDI=00005605f91092e0 RBP=00007ffe4c68d8c0 RSP=00007ffe4c68d858 R8 =00005605f91092e0 R9 =00007fe96c36abe0 R10=0000000000000100 R11=0000000000000246 R12=00007fe96bdb8900 R13=00007ffe4c68d8c8 R14=0000000000000160 R15=0000000000000000 RIP=00007fe96c307980 RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fe96bdb8900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe4c688000 CR3=000000000b66c000 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=0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a XMM01=00000000000000000000000000000000 XMM02=ffffffffffffff00ffff000000000000 XMM03=20666f207473696c20646574696d696c XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00ffffffffffffffffffffffffffffff XMM08=00000000000000810000363532616873 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026357 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc7a72d6a8 CR3=000000001c8a6000 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=2038343a38343a303120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038343a38343a3031203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000