syzkaller login: [ 46.529632] ------------[ cut here ]------------ [ 46.530366] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.533035] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.534223] Modules linked in: [ 46.534748] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.536369] Tainted: [W]=WARN [ 46.536856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.538056] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.538825] 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 [ 46.541459] RSP: 0018:ffff888019e27bc0 EFLAGS: 00010286 [ 46.542220] RAX: 0000000000000000 RBX: ffffed10033c4f78 RCX: ffffffff813a4050 [ 46.543283] RDX: ffff888018628000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.544482] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c4f2f [ 46.545538] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.546611] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e27df8 [ 46.547674] FS: 00007face0709900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.548854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.550189] CR2: 00007ffed1a05ef8 CR3: 000000000e87a000 CR4: 0000000000350ef0 [ 46.551275] Call Trace: [ 46.551683] [ 46.552020] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.552760] ? __create_object+0x59/0x80 [ 46.553368] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.554172] __vmalloc_noprof+0x59/0x60 [ 46.554816] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.555528] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.556270] bpf_prog_alloc+0x39/0x200 [ 46.556881] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.557638] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.558342] do_seccomp+0x349/0x25e0 [ 46.558945] ? find_held_lock+0x2b/0x80 [ 46.559565] ? do_prlimit+0x310/0x610 [ 46.560153] ? __pfx_do_seccomp+0x10/0x10 [ 46.560791] ? do_raw_spin_unlock+0x53/0x220 [ 46.561461] ? _raw_spin_unlock+0x1e/0x40 [ 46.562070] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.562872] ? static_key_count+0x60/0x80 [ 46.563525] prctl_set_seccomp+0x4e/0x70 [ 46.564132] __do_sys_prctl+0xe6c/0x1d70 [ 46.564781] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.565480] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.566244] ? irqentry_exit+0xf3/0x650 [ 46.566882] do_syscall_64+0xbf/0x430 [ 46.567485] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.568223] RIP: 0033:0x7face0bfb5cd [ 46.568790] 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 [ 46.571401] RSP: 002b:00007ffed1a04100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.572520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007face0bfb5cd [ 46.573563] RDX: 00005621d3c60e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.574638] RBP: 00007ffed1a04160 R08: 0000000000000000 R09: 00007ffed1a03800 [ 46.575683] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621ecc37ad0 [ 46.576721] R13: 00007ffed1a04590 R14: 00005621ecc38bc0 R15: 00005621ecc49780 [ 46.577781] [ 46.578129] irq event stamp: 2073 [ 46.578665] hardirqs last enabled at (2083): [] __up_console_sem+0x78/0x80 [ 46.579923] hardirqs last disabled at (2092): [] __up_console_sem+0x5d/0x80 [ 46.581169] softirqs last enabled at (1816): [] handle_softirqs+0x50c/0x770 [ 46.582442] softirqs last disabled at (1811): [] __irq_exit_rcu+0xc4/0x100 [ 46.583702] ---[ end trace 0000000000000000 ]--- [ 49.507955] ------------[ cut here ]------------ [ 49.508913] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.510930] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.512439] Modules linked in: [ 49.513042] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.515048] Tainted: [W]=WARN [ 49.515657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.517144] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.518071] 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 [ 49.521288] RSP: 0018:ffff8880168dfbc0 EFLAGS: 00010286 [ 49.522280] RAX: 0000000000000000 RBX: ffffed1002d1bf78 RCX: ffffffff813a4050 [ 49.523593] RDX: ffff88801759b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.524891] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1bf2f [ 49.526578] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.527898] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168dfdf8 [ 49.529212] FS: 00007f4082da8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.530686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.531768] CR2: 00007ffda9fabef8 CR3: 000000001ff35000 CR4: 0000000000350ef0 [ 49.533076] Call Trace: [ 49.533580] [ 49.533997] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.534915] ? __create_object+0x59/0x80 [ 49.535711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.536693] __vmalloc_noprof+0x59/0x60 [ 49.537462] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.538305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.539262] bpf_prog_alloc+0x39/0x200 [ 49.539999] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.540946] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.541863] do_seccomp+0x349/0x25e0 [ 49.542595] ? find_held_lock+0x2b/0x80 [ 49.543336] ? do_prlimit+0x310/0x610 [ 49.544090] ? __pfx_do_seccomp+0x10/0x10 [ 49.544888] ? do_raw_spin_unlock+0x53/0x220 [ 49.545734] ? _raw_spin_unlock+0x1e/0x40 [ 49.546538] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.547529] ? static_key_count+0x60/0x80 [ 49.548298] prctl_set_seccomp+0x4e/0x70 [ 49.549088] __do_sys_prctl+0xe6c/0x1d70 [ 49.549883] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.550762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.551751] ? irqentry_exit+0xf3/0x650 [ 49.552528] do_syscall_64+0xbf/0x430 [ 49.553234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.554198] RIP: 0033:0x7f408329a5cd [ 49.554931] 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 [ 49.558145] RSP: 002b:00007ffda9faac20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.559549] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f408329a5cd [ 49.560635] RDX: 000055d784d66e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.561729] RBP: 00007ffda9faac80 R08: 0000000000000000 R09: 00007ffda9faa320 [ 49.562835] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7b9d79b10 [ 49.563918] R13: 00007ffda9fab0b0 R14: 000055d7b9d7a2b0 R15: 000055d7b9d8e6f0 [ 49.565027] [ 49.565413] irq event stamp: 1733 [ 49.565927] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 49.567213] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 49.568461] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 49.569735] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 49.571022] ---[ end trace 0000000000000000 ]--- [ 50.491114] ------------[ cut here ]------------ [ 50.492061] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.494051] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.495530] Modules linked in: [ 50.496122] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.498100] Tainted: [W]=WARN [ 50.498710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.500158] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.501067] 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 [ 50.504224] RSP: 0018:ffff8880167ffbc0 EFLAGS: 00010286 [ 50.505185] RAX: 0000000000000000 RBX: ffffed1002cfff78 RCX: ffffffff813a4050 [ 50.506460] RDX: ffff888016c2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.507734] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfff2f [ 50.508995] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.510270] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167ffdf8 [ 50.511550] FS: 00007f77a2566900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.512973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.514034] CR2: 00007f77a2a58580 CR3: 000000000b02d000 CR4: 0000000000350ef0 [ 50.515313] Call Trace: [ 50.515797] [ 50.516208] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.517096] ? __create_object+0x59/0x80 [ 50.517879] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.518852] __vmalloc_noprof+0x59/0x60 [ 50.519612] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.520477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.521358] bpf_prog_alloc+0x39/0x200 [ 50.522091] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.523017] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.523917] do_seccomp+0x349/0x25e0 [ 50.524625] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.525517] ? __pfx_do_seccomp+0x10/0x10 [ 50.526251] ? find_held_lock+0x2b/0x80 [ 50.527012] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.527956] ? static_key_count+0x60/0x80 [ 50.528765] prctl_set_seccomp+0x4e/0x70 [ 50.529542] __do_sys_prctl+0xe6c/0x1d70 [ 50.530277] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.531134] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.532079] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.533031] ? irqentry_exit+0xf3/0x650 [ 50.533795] do_syscall_64+0xbf/0x430 [ 50.534527] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.535487] RIP: 0033:0x7f77a2a585cd [ 50.536146] 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 [ 50.539283] RSP: 002b:00007ffc10e6f280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.540631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77a2a585cd [ 50.541903] RDX: 00005604f20cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.543186] RBP: 00007ffc10e6f2e0 R08: 0000000000000000 R09: 00007ffc10e6e980 [ 50.544449] R10: 0000000000000000 R11: 0000000000000246 R12: 000056053141fbf0 [ 50.545707] R13: 00007ffc10e6f710 R14: 0000560531429380 R15: 0000560531434460 [ 50.546989] [ 50.547446] irq event stamp: 1753 [ 50.548047] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 50.549552] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 50.551073] softirqs last enabled at (1578): [] handle_softirqs+0x50c/0x770 [ 50.552593] softirqs last disabled at (1573): [] __irq_exit_rcu+0xc4/0x100 [ 50.554096] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52972' (ECDSA) to the list of known hosts. 2025/11/18 15:24:50 fuzzer started 2025/11/18 15:24:51 dialing manager at localhost:34383 2025/11/18 15:24:51 checking machine... 2025/11/18 15:24:51 checking revisions... [ 51.439319] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:24:51 testing simple program... [ 51.516440] cgroup: Unknown subsys name 'net' [ 51.569358] cgroup: Unknown subsys name 'cpuset' [ 51.582275] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 60.189406] audit: type=1400 audit(1763479500.136:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 15:24:50 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88801759d340 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801759dd98 RSP=ffff88806ce088e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801759dde8 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 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 00007f4082da8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda9fa4000 CR3=000000001ff27000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022e75 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffe34559a8 CR3=000000000f2c9000 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=f056300a1eea2eaa6f459fbbd48d0c11 XMM02=ec2efd57dc4c00df00000000003032f0 XMM03=72c366a9998f0a2200000000003033c0 XMM04=9c77285aea75cfcb00000000000ae988 XMM05=d2242774182eef270000000000320208 XMM06=474038aa6c007e1f000000000031ef38 XMM07=e042d86d42eb936e000000000030f338 XMM08=72c366a9998f0a2200000000003033c0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000