syzkaller login: [ 39.470086] ------------[ cut here ]------------ [ 39.471062] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.473149] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.474644] Modules linked in: [ 39.475247] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.477534] Tainted: [W]=WARN [ 39.478112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.479677] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.480603] 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 [ 39.483858] RSP: 0018:ffff8880177efbc0 EFLAGS: 00010286 [ 39.484862] RAX: 0000000000000000 RBX: ffffed1002efdf78 RCX: ffffffff813a4050 [ 39.486184] RDX: ffff888014391bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.487496] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002efdf2f [ 39.488807] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.490132] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177efdf8 [ 39.491448] FS: 00007f1bdf364900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.492919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.494020] CR2: 00007f1bdf856580 CR3: 000000000cbd5000 CR4: 0000000000350ef0 [ 39.495336] Call Trace: [ 39.495841] [ 39.496260] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.497173] ? __create_object+0x59/0x80 [ 39.497985] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.498981] __vmalloc_noprof+0x59/0x60 [ 39.499781] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.500685] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.501675] bpf_prog_alloc+0x39/0x200 [ 39.502451] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.503439] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.504342] do_seccomp+0x349/0x25e0 [ 39.505103] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.506050] ? __pfx_do_seccomp+0x10/0x10 [ 39.506878] ? find_held_lock+0x2b/0x80 [ 39.507680] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.508696] ? static_key_count+0x60/0x80 [ 39.509541] prctl_set_seccomp+0x4e/0x70 [ 39.510326] __do_sys_prctl+0xe6c/0x1d70 [ 39.511154] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.512056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.513082] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.514173] ? irqentry_exit+0xf3/0x650 [ 39.514986] do_syscall_64+0xbf/0x430 [ 39.515770] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.516787] RIP: 0033:0x7f1bdf8565cd [ 39.517526] 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 [ 39.520890] RSP: 002b:00007ffe0632f0e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.522353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bdf8565cd [ 39.523724] RDX: 000055723fd83e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.525073] RBP: 00007ffe0632f140 R08: 0000000000000000 R09: 00007ffe0632e7e0 [ 39.526437] R10: 0000000000000000 R11: 0000000000000246 R12: 000055725f0e6ad0 [ 39.527791] R13: 00007ffe0632f570 R14: 000055725f0e7bc0 R15: 000055725f0f8780 [ 39.529164] [ 39.529665] irq event stamp: 1839 [ 39.530304] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 39.531918] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 39.533532] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 39.535177] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 39.536779] ---[ end trace 0000000000000000 ]--- [ 42.332002] ------------[ cut here ]------------ [ 42.332944] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.335038] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.336487] Modules linked in: [ 42.337086] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.339073] Tainted: [W]=WARN [ 42.339681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.341159] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.342098] 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 [ 42.345254] RSP: 0018:ffff88800bb2fbc0 EFLAGS: 00010286 [ 42.346247] RAX: 0000000000000000 RBX: ffffed1001765f78 RCX: ffffffff813a4050 [ 42.347525] RDX: ffff8880160f3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.348805] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001765f2f [ 42.350117] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.351408] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bb2fdf8 [ 42.352704] FS: 00007f65f5d0a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.354155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.355202] CR2: 00007ffd04555ef7 CR3: 000000001f7c5000 CR4: 0000000000350ef0 [ 42.356476] Call Trace: [ 42.356941] [ 42.357346] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.358264] ? __create_object+0x59/0x80 [ 42.359050] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.360016] __vmalloc_noprof+0x59/0x60 [ 42.360769] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.361663] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.362599] bpf_prog_alloc+0x39/0x200 [ 42.363291] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.364213] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.365102] do_seccomp+0x349/0x25e0 [ 42.365833] ? find_held_lock+0x2b/0x80 [ 42.366593] ? do_prlimit+0x310/0x610 [ 42.367290] ? __pfx_do_seccomp+0x10/0x10 [ 42.368068] ? do_raw_spin_unlock+0x53/0x220 [ 42.368902] ? _raw_spin_unlock+0x1e/0x40 [ 42.369696] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.370661] ? static_key_count+0x60/0x80 [ 42.371463] prctl_set_seccomp+0x4e/0x70 [ 42.372203] __do_sys_prctl+0xe6c/0x1d70 [ 42.372997] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.373857] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.374830] ? irqentry_exit+0xf3/0x650 [ 42.375595] do_syscall_64+0xbf/0x430 [ 42.376292] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.377244] RIP: 0033:0x7f65f61fc5cd [ 42.377954] 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 [ 42.381118] RSP: 002b:00007ffd04553b50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.382506] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65f61fc5cd [ 42.383788] RDX: 000055de8b820e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.385071] RBP: 00007ffd04553bb0 R08: 0000000000000000 R09: 00007ffd04553250 [ 42.386220] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de8b9fc2b0 [ 42.387036] R13: 00007ffd04553fe0 R14: 000055de8b9fed20 R15: 000055de8ba108d0 [ 42.387857] [ 42.388124] irq event stamp: 1737 [ 42.388535] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.389493] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 42.390467] softirqs last enabled at (1516): [] handle_softirqs+0x50c/0x770 [ 42.391436] softirqs last disabled at (1511): [] __irq_exit_rcu+0xc4/0x100 [ 42.392363] ---[ end trace 0000000000000000 ]--- [ 43.075358] ------------[ cut here ]------------ [ 43.075962] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.077272] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.078217] Modules linked in: [ 43.078625] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.079897] Tainted: [W]=WARN [ 43.080252] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.081195] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.081780] 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 [ 43.083812] RSP: 0018:ffff888019f9fbc0 EFLAGS: 00010286 [ 43.084441] RAX: 0000000000000000 RBX: ffffed10033f3f78 RCX: ffffffff813a4050 [ 43.085238] RDX: ffff8880189b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.086064] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033f3f2f [ 43.086890] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.087733] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f9fdf8 [ 43.088564] FS: 00007fe817c72900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.089500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.090156] CR2: 00007fe818164580 CR3: 000000000dbcc000 CR4: 0000000000350ef0 [ 43.090972] Call Trace: [ 43.091276] [ 43.091563] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.092117] ? __create_object+0x59/0x80 [ 43.092618] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.093216] __vmalloc_noprof+0x59/0x60 [ 43.093717] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.094255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.094860] bpf_prog_alloc+0x39/0x200 [ 43.095305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.095907] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.096493] do_seccomp+0x349/0x25e0 [ 43.096927] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.097538] ? __pfx_do_seccomp+0x10/0x10 [ 43.098034] ? find_held_lock+0x2b/0x80 [ 43.098530] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.099128] ? static_key_count+0x60/0x80 [ 43.099660] prctl_set_seccomp+0x4e/0x70 [ 43.100125] __do_sys_prctl+0xe6c/0x1d70 [ 43.100629] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.101156] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.101785] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.102415] ? irqentry_exit+0xf3/0x650 [ 43.102875] do_syscall_64+0xbf/0x430 [ 43.103316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.103937] RIP: 0033:0x7fe8181645cd [ 43.104357] 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 [ 43.106410] RSP: 002b:00007ffe8add8190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.107262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8181645cd [ 43.108085] RDX: 000056016ca6ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.108896] RBP: 00007ffe8add81f0 R08: 0000000000000000 R09: 00007ffe8add7890 [ 43.109722] R10: 0000000000000000 R11: 0000000000000246 R12: 000056016f7a7ad0 [ 43.110537] R13: 00007ffe8add8620 R14: 000056016f7a8bc0 R15: 000056016f7b9780 [ 43.111336] [ 43.111635] irq event stamp: 1715 [ 43.112024] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 43.113008] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 43.113995] softirqs last enabled at (1512): [] handle_softirqs+0x50c/0x770 [ 43.114997] softirqs last disabled at (1501): [] __irq_exit_rcu+0xc4/0x100 [ 43.115966] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29602' (ECDSA) to the list of known hosts. 2025/11/17 08:55:43 fuzzer started 2025/11/17 08:55:44 dialing manager at localhost:37895 2025/11/17 08:55:44 checking machine... 2025/11/17 08:55:44 checking revisions... [ 43.951241] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:55:44 testing simple program... [ 44.047603] cgroup: Unknown subsys name 'net' [ 44.138637] cgroup: Unknown subsys name 'cpuset' [ 44.154236] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.887549] audit: type=1400 audit(1763369753.267:7): avc: denied { execmem } for pid=278 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 08:55:43 Registers: info registers vcpu 0 RAX=ffffffff869d9fd6 RBX=ffffffff86691918 RCX=ffffffff81204b69 RDX=0000000000000000 RSI=ffffffff869d9f82 RDI=ffffffff866918e0 RBP=ffffffff8669191c RSP=ffff888009627748 R8 =ffffffff869d9f82 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000054b R12=ffffffff86691918 R13=ffffffff866918e0 R14=000000000000000e R15=dffffc0000000000 RIP=ffffffff8135dae7 RFL=00000286 [--S--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0454d000 CR3=000000000e76f000 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=2033343a35353a383020373120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a35353a3830203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88800da7f7d0 RCX=ffff88800da7f724 RDX=1ffff11001b4ff05 RSI=ffffffff85e1ffe0 RDI=ffffffff81ab633f RBP=ffff88800da7f828 RSP=ffff88800da7f7b0 R8 =0000000000000001 R9 =ffff88800da7f810 R10=000000000003c9ed R11=0000000000023c51 R12=ffff88800da7f898 R13=0000000000000000 R14=ffff888019c73780 R15=ffff888008c41780 RIP=ffffffff81439dc2 RFL=00000202 [-------] 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 00007f65f5d0a900 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=00007f65f5cd4008 CR3=000000001f7c2000 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