syzkaller login: [ 46.874792] ------------[ cut here ]------------ [ 46.875796] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.877804] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 46.879314] Modules linked in: [ 46.879910] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.881944] Tainted: [W]=WARN [ 46.882558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.884064] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.884944] 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 [ 46.888161] RSP: 0018:ffff88801634fbc0 EFLAGS: 00010286 [ 46.889149] RAX: 0000000000000000 RBX: ffffed1002c69f78 RCX: ffffffff813a4050 [ 46.890470] RDX: ffff888019a33780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.891762] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c69f2f [ 46.893063] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.894382] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801634fdf8 [ 46.895684] FS: 00007f4934825900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.897139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.898231] CR2: 00007f4934d17580 CR3: 000000000e4db000 CR4: 0000000000350ef0 [ 46.899541] Call Trace: [ 46.900007] [ 46.900479] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.901387] ? __create_object+0x59/0x80 [ 46.902175] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.903156] __vmalloc_noprof+0x59/0x60 [ 46.903882] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.904753] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.905708] bpf_prog_alloc+0x39/0x200 [ 46.906461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.907405] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.908325] do_seccomp+0x349/0x25e0 [ 46.909020] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.909948] ? __pfx_do_seccomp+0x10/0x10 [ 46.910755] ? find_held_lock+0x2b/0x80 [ 46.911528] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.912509] ? static_key_count+0x60/0x80 [ 46.913351] prctl_set_seccomp+0x4e/0x70 [ 46.914146] __do_sys_prctl+0xe6c/0x1d70 [ 46.914920] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.915801] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.916775] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.917782] ? irqentry_exit+0xf3/0x650 [ 46.918564] do_syscall_64+0xbf/0x430 [ 46.919299] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.920248] RIP: 0033:0x7f4934d175cd [ 46.920914] 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 [ 46.924114] RSP: 002b:00007ffc852a47c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.925504] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4934d175cd [ 46.926802] RDX: 0000564f7d0b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.928108] RBP: 00007ffc852a4820 R08: 0000000000000000 R09: 00007ffc852a3ec0 [ 46.929442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f91bc02b0 [ 46.930732] R13: 00007ffc852a4c50 R14: 0000564f91bc2d20 R15: 0000564f91bd48d0 [ 46.932061] [ 46.932490] irq event stamp: 1771 [ 46.933165] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 46.934698] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 46.936234] softirqs last enabled at (1552): [] handle_softirqs+0x50c/0x770 [ 46.937832] softirqs last disabled at (1545): [] __irq_exit_rcu+0xc4/0x100 [ 46.939372] ---[ end trace 0000000000000000 ]--- [ 49.790001] ------------[ cut here ]------------ [ 49.790583] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.791826] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.792721] Modules linked in: [ 49.793117] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.794375] Tainted: [W]=WARN [ 49.794727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.795648] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.796219] 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 [ 49.798219] RSP: 0018:ffff888019a2fbc0 EFLAGS: 00010286 [ 49.798802] RAX: 0000000000000000 RBX: ffffed1003345f78 RCX: ffffffff813a4050 [ 49.799604] RDX: ffff888016b6b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.800411] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003345f2f [ 49.801220] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.801988] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a2fdf8 [ 49.802794] FS: 00007f5e4eab2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.803693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.804358] CR2: 00007f5e4efa4580 CR3: 000000000ba8a000 CR4: 0000000000350ef0 [ 49.805173] Call Trace: [ 49.805463] [ 49.805719] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.806268] ? __create_object+0x59/0x80 [ 49.806730] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.807331] __vmalloc_noprof+0x59/0x60 [ 49.807776] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.808331] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.808886] bpf_prog_alloc+0x39/0x200 [ 49.809352] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.809904] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.810464] do_seccomp+0x349/0x25e0 [ 49.810888] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.811446] ? __pfx_do_seccomp+0x10/0x10 [ 49.811907] ? find_held_lock+0x2b/0x80 [ 49.812379] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.812951] ? static_key_count+0x60/0x80 [ 49.813460] prctl_set_seccomp+0x4e/0x70 [ 49.813924] __do_sys_prctl+0xe6c/0x1d70 [ 49.814410] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.814925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.815519] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.816121] ? irqentry_exit+0xf3/0x650 [ 49.816575] do_syscall_64+0xbf/0x430 [ 49.817006] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.817608] RIP: 0033:0x7f5e4efa45cd [ 49.818020] 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 [ 49.820013] RSP: 002b:00007fffeb6f1060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.820874] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e4efa45cd [ 49.821687] RDX: 0000557bb7babe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.822477] RBP: 00007fffeb6f10c0 R08: 0000000000000000 R09: 00007fffeb6f0760 [ 49.823277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557bdc777240 [ 49.824091] R13: 00007fffeb6f14f0 R14: 0000557bdc780380 R15: 0000557bdc78b540 [ 49.824871] [ 49.825171] irq event stamp: 1745 [ 49.825548] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 49.826491] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 49.827446] softirqs last enabled at (1294): [] handle_softirqs+0x50c/0x770 [ 49.828403] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 49.829359] ---[ end trace 0000000000000000 ]--- [ 50.623599] ------------[ cut here ]------------ [ 50.624541] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.626651] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.628104] Modules linked in: [ 50.628680] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.632027] Tainted: [W]=WARN [ 50.632698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.634143] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.634983] 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 [ 50.638091] RSP: 0018:ffff88801694fbc0 EFLAGS: 00010286 [ 50.639005] RAX: 0000000000000000 RBX: ffffed1002d29f78 RCX: ffffffff813a4050 [ 50.640260] RDX: ffff8880159f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.641519] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d29f2f [ 50.642780] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.644064] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801694fdf8 [ 50.645325] FS: 00007f47140b4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.646725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.647762] CR2: 00007f47145a6580 CR3: 000000001fe7d000 CR4: 0000000000350ef0 [ 50.649026] Call Trace: [ 50.649530] [ 50.649933] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.650816] ? __create_object+0x59/0x80 [ 50.651575] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.652510] __vmalloc_noprof+0x59/0x60 [ 50.653261] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.654107] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.654977] bpf_prog_alloc+0x39/0x200 [ 50.655700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.656612] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.657510] do_seccomp+0x349/0x25e0 [ 50.658211] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.659084] ? __pfx_do_seccomp+0x10/0x10 [ 50.659811] ? find_held_lock+0x2b/0x80 [ 50.660556] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.661507] ? static_key_count+0x60/0x80 [ 50.662281] prctl_set_seccomp+0x4e/0x70 [ 50.662991] __do_sys_prctl+0xe6c/0x1d70 [ 50.663757] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.664594] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.665549] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.666498] ? irqentry_exit+0xf3/0x650 [ 50.667253] do_syscall_64+0xbf/0x430 [ 50.667940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.668874] RIP: 0033:0x7f47145a65cd [ 50.669579] 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 [ 50.672655] RSP: 002b:00007ffc885bc090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.674017] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47145a65cd [ 50.675282] RDX: 000055691f888e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.676524] RBP: 00007ffc885bc0f0 R08: 0000000000000000 R09: 00007ffc885bb790 [ 50.677790] R10: 0000000000000000 R11: 0000000000000246 R12: 000055695239db10 [ 50.679059] R13: 00007ffc885bc520 R14: 000055695239e2b0 R15: 00005569523b26f0 [ 50.680341] [ 50.680752] irq event stamp: 2079 [ 50.681409] hardirqs last enabled at (2089): [] __up_console_sem+0x78/0x80 [ 50.682899] hardirqs last disabled at (2098): [] __up_console_sem+0x5d/0x80 [ 50.684402] softirqs last enabled at (1610): [] handle_softirqs+0x50c/0x770 [ 50.685920] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 50.687407] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9445' (ECDSA) to the list of known hosts. 2025/11/19 00:00:52 fuzzer started 2025/11/19 00:00:52 dialing manager at localhost:34383 2025/11/19 00:00:52 checking machine... 2025/11/19 00:00:52 checking revisions... [ 51.598560] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:00:52 testing simple program... [ 51.682185] cgroup: Unknown subsys name 'net' [ 51.748697] cgroup: Unknown subsys name 'cpuset' [ 51.762585] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:00:51 Registers: info registers vcpu 0 RAX=ffff888015bcb780 RBX=ffff888016a17f58 RCX=ffffffff812d0480 RDX=ffff888015bcb780 RSI=ffffffff84c6ad51 RDI=0000000000000004 RBP=ffff888016a17f48 RSP=ffff888016a17f30 R8 =0000000000000000 R9 =ffffed1002b796f0 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=000000000000002f R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c6ad8e 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 00007f5e4eab2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffeb6eb000 CR3=000000001fd75000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=0000006f730074696d7265705f6d6170 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000028271 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=00000206 [-----P-] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f49676cb000 CR3=000000000e15a000 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=2031353a30303a303020393120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031353a30303a3030203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000