syzkaller login: [ 39.005022] ------------[ cut here ]------------ [ 39.005949] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.007926] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.009380] Modules linked in: [ 39.009968] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.011945] Tainted: [W]=WARN [ 39.012544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.014037] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.014948] 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 [ 39.018417] RSP: 0018:ffff888016fc7bc0 EFLAGS: 00010286 [ 39.019471] RAX: 0000000000000000 RBX: ffffed1002df8f78 RCX: ffffffff813a4050 [ 39.020780] RDX: ffff88800d409bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.022077] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df8f2f [ 39.023382] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024693] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016fc7df8 [ 39.026005] FS: 00007fdc7ada6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.027476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.028555] CR2: 00007fdc7b298580 CR3: 000000000d0ef000 CR4: 0000000000350ef0 [ 39.029858] Call Trace: [ 39.030318] [ 39.030765] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.031662] ? __create_object+0x59/0x80 [ 39.032445] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.033457] __vmalloc_noprof+0x59/0x60 [ 39.034179] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.035060] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.035992] bpf_prog_alloc+0x39/0x200 [ 39.036738] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.037694] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.038603] do_seccomp+0x349/0x25e0 [ 39.039283] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.040189] ? __pfx_do_seccomp+0x10/0x10 [ 39.041009] ? find_held_lock+0x2b/0x80 [ 39.041764] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.042735] ? static_key_count+0x60/0x80 [ 39.043538] prctl_set_seccomp+0x4e/0x70 [ 39.044276] __do_sys_prctl+0xe6c/0x1d70 [ 39.045073] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.045941] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046906] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.047898] ? irqentry_exit+0xf3/0x650 [ 39.048690] do_syscall_64+0xbf/0x430 [ 39.049460] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.050416] RIP: 0033:0x7fdc7b2985cd [ 39.051084] 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 [ 39.054273] RSP: 002b:00007ffe5a334ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.055647] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc7b2985cd [ 39.056977] RDX: 000055a35592ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.058257] RBP: 00007ffe5a334c00 R08: 0000000000000000 R09: 00007ffe5a3342a0 [ 39.059556] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a35ae8abf0 [ 39.060861] R13: 00007ffe5a335030 R14: 000055a35ae94380 R15: 000055a35ae9f460 [ 39.062081] [ 39.062469] irq event stamp: 1801 [ 39.062981] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.064254] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.065548] softirqs last enabled at (1382): [] handle_softirqs+0x50c/0x770 [ 39.066850] softirqs last disabled at (1361): [] __irq_exit_rcu+0xc4/0x100 [ 39.068131] ---[ end trace 0000000000000000 ]--- [ 41.958294] ------------[ cut here ]------------ [ 41.959219] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.961279] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.962786] Modules linked in: [ 41.963431] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.965472] Tainted: [W]=WARN [ 41.966041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.967547] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.968467] 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 [ 41.971695] RSP: 0018:ffff8880168b7bc0 EFLAGS: 00010286 [ 41.972682] RAX: 0000000000000000 RBX: ffffed1002d16f78 RCX: ffffffff813a4050 [ 41.973971] RDX: ffff888015ea9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.975269] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d16f2f [ 41.976555] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.977849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168b7df8 [ 41.979150] FS: 00007f86b7e70900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.980611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.981683] CR2: 00007ffe2fc6bef7 CR3: 000000001f289000 CR4: 0000000000350ef0 [ 41.982964] Call Trace: [ 41.983475] [ 41.983891] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.984818] ? __create_object+0x59/0x80 [ 41.985627] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.986594] __vmalloc_noprof+0x59/0x60 [ 41.987315] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.988210] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.989156] bpf_prog_alloc+0x39/0x200 [ 41.989904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.990863] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.991780] do_seccomp+0x349/0x25e0 [ 41.992497] ? find_held_lock+0x2b/0x80 [ 41.993229] ? do_prlimit+0x310/0x610 [ 41.993976] ? __pfx_do_seccomp+0x10/0x10 [ 41.994788] ? do_raw_spin_unlock+0x53/0x220 [ 41.995631] ? _raw_spin_unlock+0x1e/0x40 [ 41.996432] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.997411] ? static_key_count+0x60/0x80 [ 41.998175] prctl_set_seccomp+0x4e/0x70 [ 41.998969] __do_sys_prctl+0xe6c/0x1d70 [ 41.999774] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.000660] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.001649] ? irqentry_exit+0xf3/0x650 [ 42.002424] do_syscall_64+0xbf/0x430 [ 42.003119] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.004078] RIP: 0033:0x7f86b83625cd [ 42.004792] 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 [ 42.008022] RSP: 002b:00007ffe2fc6ae90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.009431] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86b83625cd [ 42.010715] RDX: 0000562244439e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.012008] RBP: 00007ffe2fc6aef0 R08: 0000000000000000 R09: 00007ffe2fc6a590 [ 42.013318] R10: 0000000000000000 R11: 0000000000000246 R12: 000056226c13ead0 [ 42.014616] R13: 00007ffe2fc6b320 R14: 000056226c13fbc0 R15: 000056226c150780 [ 42.015937] [ 42.016402] irq event stamp: 1743 [ 42.017027] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.018579] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.020097] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 42.021665] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 42.023198] ---[ end trace 0000000000000000 ]--- [ 42.671076] ------------[ cut here ]------------ [ 42.671998] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.673972] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.675427] Modules linked in: [ 42.676014] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.678027] Tainted: [W]=WARN [ 42.678658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.680137] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.681056] 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 [ 42.684229] RSP: 0018:ffff888015ba7bc0 EFLAGS: 00010286 [ 42.685248] RAX: 0000000000000000 RBX: ffffed1002b74f78 RCX: ffffffff813a4050 [ 42.686540] RDX: ffff888016805340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.687840] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b74f2f [ 42.689157] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.690458] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ba7df8 [ 42.691746] FS: 00007f94c498c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.693200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.694283] CR2: 00007f94c4ef24a6 CR3: 000000000f7d7000 CR4: 0000000000350ef0 [ 42.695576] Call Trace: [ 42.696044] [ 42.696511] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.697425] ? __create_object+0x59/0x80 [ 42.698183] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.699161] __vmalloc_noprof+0x59/0x60 [ 42.699924] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.700823] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.701770] bpf_prog_alloc+0x39/0x200 [ 42.702506] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.703464] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.704368] do_seccomp+0x349/0x25e0 [ 42.705059] ? find_held_lock+0x2b/0x80 [ 42.705834] ? do_prlimit+0x310/0x610 [ 42.706598] ? __pfx_do_seccomp+0x10/0x10 [ 42.707391] ? do_raw_spin_unlock+0x53/0x220 [ 42.708180] ? _raw_spin_unlock+0x1e/0x40 [ 42.708996] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.709962] ? static_key_count+0x60/0x80 [ 42.710765] prctl_set_seccomp+0x4e/0x70 [ 42.711540] __do_sys_prctl+0xe6c/0x1d70 [ 42.712286] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.713157] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.714135] ? irqentry_exit+0xf3/0x650 [ 42.714913] do_syscall_64+0xbf/0x430 [ 42.715646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.716608] RIP: 0033:0x7f94c4e7e5cd [ 42.717295] 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 [ 42.720550] RSP: 002b:00007fffba154200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.721929] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94c4e7e5cd [ 42.723227] RDX: 000055cf02db9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.724505] RBP: 00007fffba154260 R08: 0000000000000000 R09: 00007fffba153900 [ 42.725818] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf1bb36ad0 [ 42.727126] R13: 00007fffba154690 R14: 000055cf1bb37bc0 R15: 000055cf1bb48780 [ 42.728449] [ 42.728890] irq event stamp: 1703 [ 42.729544] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 42.731093] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 42.732625] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.734206] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.735756] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63103' (ECDSA) to the list of known hosts. 2025/11/19 01:54:16 fuzzer started 2025/11/19 01:54:17 dialing manager at localhost:34383 2025/11/19 01:54:17 checking machine... 2025/11/19 01:54:17 checking revisions... [ 43.646894] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:54:17 testing simple program... [ 43.727274] cgroup: Unknown subsys name 'net' [ 43.783989] cgroup: Unknown subsys name 'cpuset' [ 43.795843] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:54:16 Registers: info registers vcpu 0 RAX=ffff88801f20abf8 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=1ffff11003e41736 RSI=ffffffff885b6f10 RDI=ffff88801f20b9b0 RBP=ffff88801f20b508 RSP=ffff888015987a00 R8 =0000000000000001 R9 =ffffed1002b30f3a R10=0000000000000003 R11=0000000000000001 R12=ffff88801f20abf8 R13=fffffbfff10b6de2 R14=ffff88801f20b9a8 R15=ffffffff885b6f10 RIP=ffffffff84c2bf11 RFL=00000046 [---Z-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 00007f86b7e70900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056226c154b88 CR3=000000001f2c6000 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=ffff888009f29170 RBX=ffff88800bbe2378 RCX=0000000000000000 RDX=ffff88800be063c0 RSI=ffff88800e0a7190 RDI=ffff888013876198 RBP=ffff88800bbe2378 RSP=ffff888009757b50 R8 =0000000000000001 R9 =ffffed10012eaf5a R10=0000000000000003 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff81b61925 RFL=00000046 [---Z-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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbbe0760000 CR3=000000000b698000 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=34353a313020393120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383537 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000