syzkaller login: [ 38.900884] ------------[ cut here ]------------ [ 38.901835] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.903932] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 38.905623] Modules linked in: [ 38.906340] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.908383] Tainted: [W]=WARN [ 38.909007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.910503] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.911439] 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 [ 38.914638] RSP: 0018:ffff8880183afbc0 EFLAGS: 00010286 [ 38.915668] RAX: 0000000000000000 RBX: ffffed1003075f78 RCX: ffffffff813a4050 [ 38.916972] RDX: ffff888016c6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.918268] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003075f2f [ 38.919666] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.920983] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880183afdf8 [ 38.922304] FS: 00007eff08c07900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.923787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.924891] CR2: 00007fffd9d42ef7 CR3: 00000000143cd000 CR4: 0000000000350ef0 [ 38.926207] Call Trace: [ 38.926689] [ 38.927161] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.928085] ? __create_object+0x59/0x80 [ 38.928872] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.929867] __vmalloc_noprof+0x59/0x60 [ 38.930598] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.931498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.932459] bpf_prog_alloc+0x39/0x200 [ 38.933201] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.934162] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.935067] do_seccomp+0x349/0x25e0 [ 38.935800] ? find_held_lock+0x2b/0x80 [ 38.936517] ? do_prlimit+0x310/0x610 [ 38.937285] ? __pfx_do_seccomp+0x10/0x10 [ 38.938096] ? do_raw_spin_unlock+0x53/0x220 [ 38.938954] ? _raw_spin_unlock+0x1e/0x40 [ 38.939755] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.940677] ? static_key_count+0x60/0x80 [ 38.941494] prctl_set_seccomp+0x4e/0x70 [ 38.942292] __do_sys_prctl+0xe6c/0x1d70 [ 38.943087] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.943973] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.944960] ? irqentry_exit+0xf3/0x650 [ 38.945689] do_syscall_64+0xbf/0x430 [ 38.946432] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.947416] RIP: 0033:0x7eff090f95cd [ 38.948121] 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 [ 38.951357] RSP: 002b:00007fffd9d403c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.952749] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff090f95cd [ 38.954069] RDX: 000056194311fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.955387] RBP: 00007fffd9d40420 R08: 0000000000000000 R09: 00007fffd9d3fac0 [ 38.956687] R10: 0000000000000000 R11: 0000000000000246 R12: 000056197be492b0 [ 38.958031] R13: 00007fffd9d40850 R14: 000056197be4bd20 R15: 000056197be5d8d0 [ 38.959363] [ 38.959826] irq event stamp: 1851 [ 38.960443] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 38.961998] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 38.963553] softirqs last enabled at (1448): [] handle_softirqs+0x50c/0x770 [ 38.964854] softirqs last disabled at (1437): [] __irq_exit_rcu+0xc4/0x100 [ 38.966117] ---[ end trace 0000000000000000 ]--- [ 41.908602] ------------[ cut here ]------------ [ 41.909534] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.911557] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.913212] Modules linked in: [ 41.913910] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.915891] Tainted: [W]=WARN [ 41.916440] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.917895] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.918803] 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 [ 41.921926] RSP: 0018:ffff88801789fbc0 EFLAGS: 00010286 [ 41.922902] RAX: 0000000000000000 RBX: ffffed1002f13f78 RCX: ffffffff813a4050 [ 41.924162] RDX: ffff8880175a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.925430] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f13f2f [ 41.926736] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.928019] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801789fdf8 [ 41.929299] FS: 00007fe13fc2c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.930739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.931786] CR2: 00007ffc2b59aef7 CR3: 000000000a03b000 CR4: 0000000000350ef0 [ 41.933068] Call Trace: [ 41.933526] [ 41.933968] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.934864] ? __create_object+0x59/0x80 [ 41.935602] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.936555] __vmalloc_noprof+0x59/0x60 [ 41.937302] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.938164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.939095] bpf_prog_alloc+0x39/0x200 [ 41.939826] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.940701] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.941604] do_seccomp+0x349/0x25e0 [ 41.942305] ? find_held_lock+0x2b/0x80 [ 41.943065] ? do_prlimit+0x310/0x610 [ 41.943807] ? __pfx_do_seccomp+0x10/0x10 [ 41.944542] ? do_raw_spin_unlock+0x53/0x220 [ 41.945362] ? _raw_spin_unlock+0x1e/0x40 [ 41.946126] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.947082] ? static_key_count+0x60/0x80 [ 41.947867] prctl_set_seccomp+0x4e/0x70 [ 41.948594] __do_sys_prctl+0xe6c/0x1d70 [ 41.949374] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.950223] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.951195] ? irqentry_exit+0xf3/0x650 [ 41.951949] do_syscall_64+0xbf/0x430 [ 41.952635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.953567] RIP: 0033:0x7fe14011e5cd [ 41.954259] 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 [ 41.957378] RSP: 002b:00007ffc2b598ea0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.958734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe14011e5cd [ 41.960027] RDX: 000056171bd45e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.961327] RBP: 00007ffc2b598f00 R08: 0000000000000000 R09: 00007ffc2b5985a0 [ 41.962616] R10: 0000000000000000 R11: 0000000000000246 R12: 000056173abc92b0 [ 41.963865] R13: 00007ffc2b599330 R14: 000056173abcbd20 R15: 000056173abdd8d0 [ 41.965059] [ 41.965444] irq event stamp: 1815 [ 41.966032] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 41.967434] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 41.968823] softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770 [ 41.970239] softirqs last disabled at (1423): [] __irq_exit_rcu+0xc4/0x100 [ 41.971628] ---[ end trace 0000000000000000 ]--- [ 42.714536] ------------[ cut here ]------------ [ 42.715468] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.717487] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.718948] Modules linked in: [ 42.719525] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.721506] Tainted: [W]=WARN [ 42.722105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.723582] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.724497] 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 [ 42.727688] RSP: 0018:ffff8880179afbc0 EFLAGS: 00010286 [ 42.728659] RAX: 0000000000000000 RBX: ffffed1002f35f78 RCX: ffffffff813a4050 [ 42.729946] RDX: ffff88801a3f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.731235] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f35f2f [ 42.732523] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.733808] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179afdf8 [ 42.735102] FS: 00007fdeb6851900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.736534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.737587] CR2: 00007fdeb6d43580 CR3: 000000000e8c0000 CR4: 0000000000350ef0 [ 42.738875] Call Trace: [ 42.739345] [ 42.739794] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.740650] ? __create_object+0x59/0x80 [ 42.741431] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.742410] __vmalloc_noprof+0x59/0x60 [ 42.743166] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.744038] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.744963] bpf_prog_alloc+0x39/0x200 [ 42.745661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.746590] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.747509] do_seccomp+0x349/0x25e0 [ 42.748223] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.749125] ? __pfx_do_seccomp+0x10/0x10 [ 42.749910] ? find_held_lock+0x2b/0x80 [ 42.750621] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.751586] ? static_key_count+0x60/0x80 [ 42.752382] prctl_set_seccomp+0x4e/0x70 [ 42.753164] __do_sys_prctl+0xe6c/0x1d70 [ 42.753952] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.754810] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.755791] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.756767] ? irqentry_exit+0xf3/0x650 [ 42.757500] do_syscall_64+0xbf/0x430 [ 42.758242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.759217] RIP: 0033:0x7fdeb6d435cd [ 42.759932] 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 [ 42.763180] RSP: 002b:00007ffd95201b00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.764561] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdeb6d435cd [ 42.765861] RDX: 000055a6fbecfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.767174] RBP: 00007ffd95201b60 R08: 0000000000000000 R09: 00007ffd95201200 [ 42.768470] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a722e0ead0 [ 42.769773] R13: 00007ffd95201f90 R14: 000055a722e0fbc0 R15: 000055a722e20780 [ 42.771106] [ 42.771530] irq event stamp: 1699 [ 42.772199] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 42.773733] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 42.775260] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 42.776786] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 42.778285] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:35782' (ECDSA) to the list of known hosts. 2025/11/17 22:19:13 fuzzer started 2025/11/17 22:19:14 dialing manager at localhost:37895 2025/11/17 22:19:14 checking machine... 2025/11/17 22:19:14 checking revisions... [ 43.648668] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:19:14 testing simple program... [ 43.748923] cgroup: Unknown subsys name 'net' [ 43.824043] cgroup: Unknown subsys name 'cpuset' [ 43.840526] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:19:13 Registers: info registers vcpu 0 RAX=ffffffff81a8b2b7 RBX=ffffffff8671cae0 RCX=ffffffff81a8b24b RDX=0000000000000000 RSI=ffffffff86aaaa6a RDI=ffffffff8671cad0 RBP=ffffffff8671cad0 RSP=ffff88801a007718 R8 =ffffffff86aaaa6a R9 =0000000000000000 R10=000000000003c9ed R11=00000000000231c7 R12=ffffffff8671cadc R13=ffffffff8671cad0 R14=ffffffff8671cad0 R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000283 [--S---C] 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 00007fe13fc2c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe13fbf1008 CR3=000000000e936000 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 info registers vcpu 1 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff8880096fc200 RDI=ffff8880096fb780 RBP=ffff8880096fb780 RSP=ffff8880097575f8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffff8880096fc200 R15=0000000000000003 RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffbc68ae128 CR3=000000000d579000 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=f8319c3ee2870eab36444af1b111d625 XMM02=2c67c8bc2e329bc30000000000303e78 XMM03=fb795ef6d6577056000000000030f900 XMM04=318c70f8bb511b1b00000000000ae988 XMM05=5681f0ab5284db030000000000321410 XMM06=817b8945e9d5037300000000003204b0 XMM07=e042d86d42eb936e000000000030fbd8 XMM08=a6c074b9737d4c5b0000000000303ed8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000