syzkaller login: [ 39.007316] ------------[ cut here ]------------ [ 39.008285] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.010285] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.011788] Modules linked in: [ 39.012402] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.014415] Tainted: [W]=WARN [ 39.015023] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.016530] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.017460] 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 [ 39.020664] RSP: 0018:ffff8880189dfbc0 EFLAGS: 00010286 [ 39.021603] RAX: 0000000000000000 RBX: ffffed100313bf78 RCX: ffffffff813a4050 [ 39.022918] RDX: ffff888016793780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.024223] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100313bf2f [ 39.025499] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.026765] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880189dfdf8 [ 39.028064] FS: 00007f07d2e4a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.029507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.030546] CR2: 00007fffc56aeef8 CR3: 000000000ead5000 CR4: 0000000000350ef0 [ 39.031830] Call Trace: [ 39.032317] [ 39.032784] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.033693] ? __create_object+0x59/0x80 [ 39.034440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.035424] __vmalloc_noprof+0x59/0x60 [ 39.036199] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.037082] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038025] bpf_prog_alloc+0x39/0x200 [ 39.038775] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.039730] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.040606] do_seccomp+0x349/0x25e0 [ 39.041331] ? find_held_lock+0x2b/0x80 [ 39.042097] ? do_prlimit+0x310/0x610 [ 39.042835] ? __pfx_do_seccomp+0x10/0x10 [ 39.043572] ? do_raw_spin_unlock+0x53/0x220 [ 39.044414] ? _raw_spin_unlock+0x1e/0x40 [ 39.045190] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.046153] ? static_key_count+0x60/0x80 [ 39.046972] prctl_set_seccomp+0x4e/0x70 [ 39.047750] __do_sys_prctl+0xe6c/0x1d70 [ 39.048492] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049349] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.050313] ? irqentry_exit+0xf3/0x650 [ 39.051092] do_syscall_64+0xbf/0x430 [ 39.051863] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.052821] RIP: 0033:0x7f07d333c5cd [ 39.053476] 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 [ 39.056686] RSP: 002b:00007fffc56acac0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.058068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07d333c5cd [ 39.059369] RDX: 000055d37b3f0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.060690] RBP: 00007fffc56acb20 R08: 0000000000000000 R09: 00007fffc56ac1c0 [ 39.061988] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d3886b9ad0 [ 39.063288] R13: 00007fffc56acf50 R14: 000055d3886babc0 R15: 000055d3886cb780 [ 39.064620] [ 39.065074] irq event stamp: 2829 [ 39.065723] hardirqs last enabled at (2839): [] __up_console_sem+0x78/0x80 [ 39.067242] hardirqs last disabled at (2848): [] __up_console_sem+0x5d/0x80 [ 39.068769] softirqs last enabled at (2796): [] handle_softirqs+0x50c/0x770 [ 39.070317] softirqs last disabled at (2867): [] __irq_exit_rcu+0xc4/0x100 [ 39.071863] ---[ end trace 0000000000000000 ]--- [ 42.551363] ------------[ cut here ]------------ [ 42.552307] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.554596] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.556078] Modules linked in: [ 42.556710] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.558852] Tainted: [W]=WARN [ 42.559401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.560864] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.561757] 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 [ 42.564878] RSP: 0018:ffff88801a0bfbc0 EFLAGS: 00010286 [ 42.565868] RAX: 0000000000000000 RBX: ffffed1003417f78 RCX: ffffffff813a4050 [ 42.567152] RDX: ffff8880154bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.568429] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003417f2f [ 42.569697] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.570972] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a0bfdf8 [ 42.572240] FS: 00007f8870a2c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.573676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.574720] CR2: 00007ffcce078ef8 CR3: 0000000020438000 CR4: 0000000000350ef0 [ 42.575997] Call Trace: [ 42.576461] [ 42.576902] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.577785] ? __create_object+0x59/0x80 [ 42.578518] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.579469] __vmalloc_noprof+0x59/0x60 [ 42.580230] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.581099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.582024] bpf_prog_alloc+0x39/0x200 [ 42.582752] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.583670] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.584532] do_seccomp+0x349/0x25e0 [ 42.585234] ? find_held_lock+0x2b/0x80 [ 42.585973] ? do_prlimit+0x310/0x610 [ 42.586695] ? __pfx_do_seccomp+0x10/0x10 [ 42.587427] ? do_raw_spin_unlock+0x53/0x220 [ 42.588251] ? _raw_spin_unlock+0x1e/0x40 [ 42.589014] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.589966] ? static_key_count+0x60/0x80 [ 42.590753] prctl_set_seccomp+0x4e/0x70 [ 42.591469] __do_sys_prctl+0xe6c/0x1d70 [ 42.592241] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.593100] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.594048] ? irqentry_exit+0xf3/0x650 [ 42.594804] do_syscall_64+0xbf/0x430 [ 42.595506] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.596466] RIP: 0033:0x7f8870f1e5cd [ 42.597165] 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 [ 42.600321] RSP: 002b:00007ffcce077d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.601668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8870f1e5cd [ 42.602938] RDX: 000055b073cfbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.604229] RBP: 00007ffcce077df0 R08: 0000000000000000 R09: 00007ffcce077490 [ 42.605501] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b08a8e32b0 [ 42.606752] R13: 00007ffcce078220 R14: 000055b08a8e5d20 R15: 000055b08a8f78d0 [ 42.608038] [ 42.608456] irq event stamp: 1807 [ 42.609091] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.610608] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.612162] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 42.613667] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 42.615182] ---[ end trace 0000000000000000 ]--- [ 43.569718] ------------[ cut here ]------------ [ 43.570582] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.572597] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.574076] Modules linked in: [ 43.574717] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.576943] Tainted: [W]=WARN [ 43.577507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.579026] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.579960] 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 [ 43.583088] RSP: 0018:ffff88801685fbc0 EFLAGS: 00010286 [ 43.584070] RAX: 0000000000000000 RBX: ffffed1002d0bf78 RCX: ffffffff813a4050 [ 43.585349] RDX: ffff88800a4a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.586613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0bf2f [ 43.587909] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.589188] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801685fdf8 [ 43.590462] FS: 00007f1129940900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.591925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.592981] CR2: 00007ffee2b99ef8 CR3: 000000000daff000 CR4: 0000000000350ef0 [ 43.594262] Call Trace: [ 43.594775] [ 43.595187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.596092] ? __create_object+0x59/0x80 [ 43.596872] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.597843] __vmalloc_noprof+0x59/0x60 [ 43.598558] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.599429] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.600382] bpf_prog_alloc+0x39/0x200 [ 43.601122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.602055] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.602970] do_seccomp+0x349/0x25e0 [ 43.603678] ? find_held_lock+0x2b/0x80 [ 43.604406] ? do_prlimit+0x310/0x610 [ 43.605161] ? __pfx_do_seccomp+0x10/0x10 [ 43.605933] ? do_raw_spin_unlock+0x53/0x220 [ 43.606778] ? _raw_spin_unlock+0x1e/0x40 [ 43.607520] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.608515] ? static_key_count+0x60/0x80 [ 43.609295] prctl_set_seccomp+0x4e/0x70 [ 43.610070] __do_sys_prctl+0xe6c/0x1d70 [ 43.610841] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.611685] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.612621] ? irqentry_exit+0xf3/0x650 [ 43.613379] do_syscall_64+0xbf/0x430 [ 43.614122] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.615066] RIP: 0033:0x7f1129e325cd [ 43.615773] 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 [ 43.618907] RSP: 002b:00007ffee2b98e10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.620260] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1129e325cd [ 43.621534] RDX: 00005652e79f2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.622831] RBP: 00007ffee2b98e70 R08: 0000000000000000 R09: 00007ffee2b98510 [ 43.624128] R10: 0000000000000000 R11: 0000000000000246 R12: 000056531efbdad0 [ 43.625430] R13: 00007ffee2b992a0 R14: 000056531efbebc0 R15: 000056531efcf780 [ 43.626720] [ 43.627145] irq event stamp: 1833 [ 43.627797] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 43.629345] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 43.630869] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 43.632418] softirqs last disabled at (1347): [] __irq_exit_rcu+0xc4/0x100 [ 43.633929] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60638' (ECDSA) to the list of known hosts. 2025/11/18 11:52:19 fuzzer started 2025/11/18 11:52:19 dialing manager at localhost:34383 2025/11/18 11:52:19 checking machine... 2025/11/18 11:52:19 checking revisions... [ 44.548957] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:52:20 testing simple program... [ 44.648875] cgroup: Unknown subsys name 'net' [ 44.706436] cgroup: Unknown subsys name 'cpuset' [ 44.718060] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:52:19 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88806ce08a70 RCX=ffff88806ce089c4 RDX=1ffff1100d9c114e RSI=ffffffff85e1ffe0 RDI=ffff88806ce08a70 RBP=ffff88806ce08b08 RSP=ffff88806ce08a58 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000027156 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff888017021bc0 R15=ffff888009462280 RIP=ffffffff8135e188 RFL=00000246 [---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 00007fb71a6b2700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcce071000 CR3=000000000e652000 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=2038313a32353a313120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038313a32353a3131203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf25f80 RCX=ffffffff816295aa RDX=1ffff110012c6f79 RSI=00000000ffffffff RDI=00000000ffffffff RBP=ffff888009637bb8 RSP=ffff888009637a68 R8 =0000000000000001 R9 =ffffed10012c6f32 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88806cf25f80 R14=00000000ffffffff R15=00000000fffc13c9 RIP=ffffffff81751928 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 fffffe2f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007feb0a3a9048 CR3=000000000e606000 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=608eb106e9988789cb4d5d2aabdd3202 XMM02=0000000000303688ec2efd57dc4c00df XMM03=000000000030f4e0e3e70c2569ce3397 XMM04=4e1ce4673597ced400000000000ae988 XMM05=090f1556b20111b3000000000031ff80 XMM06=5b75c91c80445342000000000031fe08 XMM07=e042d86d42eb936e000000000030f7b8 XMM08=e3e70c2569ce339700000000003036e8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000