syzkaller login: [ 46.579582] ------------[ cut here ]------------ [ 46.580332] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.582005] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/236 [ 46.583201] Modules linked in: [ 46.583724] CPU: 0 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.585339] Tainted: [W]=WARN [ 46.585789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.587007] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.587762] 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 [ 46.590392] RSP: 0018:ffff88800f07fbc0 EFLAGS: 00010286 [ 46.591170] RAX: 0000000000000000 RBX: ffffed1001e0ff78 RCX: ffffffff813a4050 [ 46.592224] RDX: ffff888018630000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.593273] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e0ff2f [ 46.594363] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.595422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f07fdf8 [ 46.596492] FS: 00007f8348094900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.597691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.598582] CR2: 00007f8348586580 CR3: 000000000d250000 CR4: 0000000000350ef0 [ 46.599649] Call Trace: [ 46.600033] [ 46.600410] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.601111] ? __create_object+0x59/0x80 [ 46.601770] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.602591] __vmalloc_noprof+0x59/0x60 [ 46.603188] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.603916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.604689] bpf_prog_alloc+0x39/0x200 [ 46.605259] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.606035] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.606801] do_seccomp+0x349/0x25e0 [ 46.607400] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.608108] ? __pfx_do_seccomp+0x10/0x10 [ 46.608771] ? find_held_lock+0x2b/0x80 [ 46.609650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.610453] ? static_key_count+0x60/0x80 [ 46.611073] prctl_set_seccomp+0x4e/0x70 [ 46.611723] __do_sys_prctl+0xe6c/0x1d70 [ 46.612360] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.613038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.613830] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.614637] ? irqentry_exit+0xf3/0x650 [ 46.615227] do_syscall_64+0xbf/0x430 [ 46.615838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.616630] RIP: 0033:0x7f83485865cd [ 46.617169] 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 [ 46.619845] RSP: 002b:00007ffec9cf4ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.620991] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83485865cd [ 46.622057] RDX: 00005578270b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.623119] RBP: 00007ffec9cf4f30 R08: 0000000000000000 R09: 00007ffec9cf45d0 [ 46.624178] R10: 0000000000000000 R11: 0000000000000246 R12: 000055783f837bf0 [ 46.625233] R13: 00007ffec9cf5360 R14: 000055783f841380 R15: 000055783f84c460 [ 46.626328] [ 46.626680] irq event stamp: 1759 [ 46.627172] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 46.628427] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 46.629702] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 46.630986] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 46.632266] ---[ end trace 0000000000000000 ]--- [ 49.341104] ------------[ cut here ]------------ [ 49.341903] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.343589] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 49.344811] Modules linked in: [ 49.345337] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.347623] Tainted: [W]=WARN [ 49.348203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.349756] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.350737] 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 [ 49.353954] RSP: 0018:ffff88801b21fbc0 EFLAGS: 00010286 [ 49.354963] RAX: 0000000000000000 RBX: ffffed1003643f78 RCX: ffffffff813a4050 [ 49.356276] RDX: ffff88800f079bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.357571] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003643f2f [ 49.358880] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.360207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b21fdf8 [ 49.361529] FS: 00007f6283b03900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.363026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.364213] CR2: 00007f6283ff5580 CR3: 000000000d72c000 CR4: 0000000000350ef0 [ 49.365519] Call Trace: [ 49.365986] [ 49.366470] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.367401] ? __create_object+0x59/0x80 [ 49.368153] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.369135] __vmalloc_noprof+0x59/0x60 [ 49.369884] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.370785] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.371727] bpf_prog_alloc+0x39/0x200 [ 49.372499] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.373452] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.374381] do_seccomp+0x349/0x25e0 [ 49.375069] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.375968] ? __pfx_do_seccomp+0x10/0x10 [ 49.376774] ? find_held_lock+0x2b/0x80 [ 49.377576] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.378581] ? static_key_count+0x60/0x80 [ 49.379416] prctl_set_seccomp+0x4e/0x70 [ 49.380168] __do_sys_prctl+0xe6c/0x1d70 [ 49.380984] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.381881] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.382893] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.383901] ? irqentry_exit+0xf3/0x650 [ 49.384693] do_syscall_64+0xbf/0x430 [ 49.385467] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.386481] RIP: 0033:0x7f6283ff55cd [ 49.387165] 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 [ 49.390396] RSP: 002b:00007ffe21dc6930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.391816] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6283ff55cd [ 49.393133] RDX: 0000558624e15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.394472] RBP: 00007ffe21dc6990 R08: 0000000000000000 R09: 00007ffe21dc6030 [ 49.395792] R10: 0000000000000000 R11: 0000000000000246 R12: 000055864816b240 [ 49.397128] R13: 00007ffe21dc6dc0 R14: 000055864816abf0 R15: 000055864817f4d0 [ 49.398464] [ 49.398877] irq event stamp: 1797 [ 49.399438] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 49.400736] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 49.402053] softirqs last enabled at (1460): [] handle_softirqs+0x50c/0x770 [ 49.403375] softirqs last disabled at (1455): [] __irq_exit_rcu+0xc4/0x100 [ 49.404638] ---[ end trace 0000000000000000 ]--- [ 50.005109] ------------[ cut here ]------------ [ 50.005651] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.006818] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 50.007644] Modules linked in: [ 50.007987] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.009118] Tainted: [W]=WARN [ 50.009455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.010281] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.010822] 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 [ 50.012653] RSP: 0018:ffff888017b67bc0 EFLAGS: 00010286 [ 50.013194] RAX: 0000000000000000 RBX: ffffed1002f6cf78 RCX: ffffffff813a4050 [ 50.013924] RDX: ffff888017a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.014668] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f6cf2f [ 50.015392] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.016104] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b67df8 [ 50.016843] FS: 00007f3ae30ce900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.017664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.018241] CR2: 00007ffe4ac87ef7 CR3: 0000000014299000 CR4: 0000000000350ef0 [ 50.018983] Call Trace: [ 50.019247] [ 50.019499] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.019990] ? __create_object+0x59/0x80 [ 50.020437] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.020975] __vmalloc_noprof+0x59/0x60 [ 50.021409] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.021886] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.022428] bpf_prog_alloc+0x39/0x200 [ 50.022824] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.023355] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.023855] do_seccomp+0x349/0x25e0 [ 50.024242] ? find_held_lock+0x2b/0x80 [ 50.024675] ? do_prlimit+0x310/0x610 [ 50.025078] ? __pfx_do_seccomp+0x10/0x10 [ 50.025529] ? do_raw_spin_unlock+0x53/0x220 [ 50.025980] ? _raw_spin_unlock+0x1e/0x40 [ 50.026429] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.026960] ? static_key_count+0x60/0x80 [ 50.027408] prctl_set_seccomp+0x4e/0x70 [ 50.027832] __do_sys_prctl+0xe6c/0x1d70 [ 50.028251] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.028742] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.029275] ? irqentry_exit+0xf3/0x650 [ 50.029717] do_syscall_64+0xbf/0x430 [ 50.030108] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.030659] RIP: 0033:0x7f3ae35c05cd [ 50.031043] 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 [ 50.032862] RSP: 002b:00007ffe4ac86c40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.033642] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ae35c05cd [ 50.034380] RDX: 000055996a4fbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.035092] RBP: 00007ffe4ac86ca0 R08: 0000000000000000 R09: 00007ffe4ac86340 [ 50.035824] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559984ca4b10 [ 50.036554] R13: 00007ffe4ac870d0 R14: 0000559984ca52b0 R15: 0000559984cb96f0 [ 50.037276] [ 50.037537] irq event stamp: 1659 [ 50.037881] hardirqs last enabled at (1667): [] __up_console_sem+0x78/0x80 [ 50.038762] hardirqs last disabled at (1676): [] __up_console_sem+0x5d/0x80 [ 50.039640] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 50.040520] softirqs last disabled at (1171): [] __irq_exit_rcu+0xc4/0x100 [ 50.041391] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37778' (ECDSA) to the list of known hosts. 2025/11/17 23:53:31 fuzzer started 2025/11/17 23:53:31 dialing manager at localhost:37895 2025/11/17 23:53:31 checking machine... 2025/11/17 23:53:31 checking revisions... [ 50.899962] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:53:31 testing simple program... [ 50.989463] cgroup: Unknown subsys name 'net' [ 51.045389] cgroup: Unknown subsys name 'cpuset' [ 51.061348] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:53:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888017857f18 RCX=ffff888017856c2c RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880170ad73c RBP=ffff8880170ad340 RSP=ffff888017856c38 R8 =0000000000000001 R9 =ffff888017856d18 R10=000000000003c9ed R11=00000000000231c7 R12=ffff888017856d01 R13=ffff888017856d20 R14=ffff888017857ee8 R15=ffff888017856cd8 RIP=ffffffff815d29c0 RFL=00000217 [----APC] 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 00007f6283b03900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6283ac8008 CR3=00000000203dd000 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=ffff888009643780 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529352 RFL=00000006 [-----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 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=00007fb9f8f2e018 CR3=0000000009f57000 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=0b73e9e4e91f4092f9437a9cadd95816 XMM02=0000000000304d00eff9b2d0a8fce9cb XMM03=0000000000304dd02c67c8bc2e329bc3 XMM04=ffd24e710afe88b100000000000ae988 XMM05=14648eaa1277bab10000000000320538 XMM06=24597edb5257c711000000000031a400 XMM07=e042d86d42eb936e0000000000311918 XMM08=64bd4914435b5cda0000000000304dd0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000