syzkaller login: [ 38.982382] ------------[ cut here ]------------ [ 38.983543] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.985795] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.987415] Modules linked in: [ 38.988057] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.990073] Tainted: [W]=WARN [ 38.990672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.992217] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.993278] 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 [ 38.996715] RSP: 0018:ffff88800f45fbc0 EFLAGS: 00010286 [ 38.997723] RAX: 0000000000000000 RBX: ffffed1001e8bf78 RCX: ffffffff813a4050 [ 38.999017] RDX: ffff888018d91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.000297] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e8bf2f [ 39.001599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.002889] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f45fdf8 [ 39.004173] FS: 00007f9ba1683900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.005638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.006703] CR2: 00007f9ba1b75580 CR3: 000000001ca1c000 CR4: 0000000000350ef0 [ 39.008015] Call Trace: [ 39.008536] [ 39.008962] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.009874] ? __create_object+0x59/0x80 [ 39.010684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.011665] __vmalloc_noprof+0x59/0x60 [ 39.012375] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.013251] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.014180] bpf_prog_alloc+0x39/0x200 [ 39.014900] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.015835] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.016754] do_seccomp+0x349/0x25e0 [ 39.017437] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.018380] ? __pfx_do_seccomp+0x10/0x10 [ 39.019190] ? find_held_lock+0x2b/0x80 [ 39.019957] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.020951] ? static_key_count+0x60/0x80 [ 39.021760] prctl_set_seccomp+0x4e/0x70 [ 39.022546] __do_sys_prctl+0xe6c/0x1d70 [ 39.023301] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.024160] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.025168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.026142] ? irqentry_exit+0xf3/0x650 [ 39.026915] do_syscall_64+0xbf/0x430 [ 39.027642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.028593] RIP: 0033:0x7f9ba1b755cd [ 39.029267] 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 [ 39.032483] RSP: 002b:00007ffdf9729f10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.033883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ba1b755cd [ 39.035164] RDX: 000055610ea2ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.036483] RBP: 00007ffdf9729f70 R08: 0000000000000000 R09: 00007ffdf9729610 [ 39.037785] R10: 0000000000000000 R11: 0000000000000246 R12: 000055610f8d52b0 [ 39.039078] R13: 00007ffdf972a3a0 R14: 000055610f8d7d20 R15: 000055610f8e98d0 [ 39.040387] [ 39.040874] irq event stamp: 1803 [ 39.041531] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.043055] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.044591] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.046173] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.047709] ---[ end trace 0000000000000000 ]--- [ 42.560199] ------------[ cut here ]------------ [ 42.561144] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.563697] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.565143] Modules linked in: [ 42.566012] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.568024] Tainted: [W]=WARN [ 42.568625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.570083] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.570986] 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 [ 42.574134] RSP: 0018:ffff888017b47bc0 EFLAGS: 00010286 [ 42.575114] RAX: 0000000000000000 RBX: ffffed1002f68f78 RCX: ffffffff813a4050 [ 42.576378] RDX: ffff888015e01bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.577655] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f68f2f [ 42.578928] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.580186] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b47df8 [ 42.581487] FS: 00007fa1c6936900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.582910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.583961] CR2: 00007fa1c6e28580 CR3: 000000001fff5000 CR4: 0000000000350ef0 [ 42.585244] Call Trace: [ 42.585734] [ 42.586141] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.587031] ? __create_object+0x59/0x80 [ 42.587809] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.588790] __vmalloc_noprof+0x59/0x60 [ 42.589542] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.590353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.591271] bpf_prog_alloc+0x39/0x200 [ 42.592002] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.592935] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.593830] do_seccomp+0x349/0x25e0 [ 42.594540] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.595382] ? __pfx_do_seccomp+0x10/0x10 [ 42.596161] ? find_held_lock+0x2b/0x80 [ 42.596916] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.597880] ? static_key_count+0x60/0x80 [ 42.598671] prctl_set_seccomp+0x4e/0x70 [ 42.599397] __do_sys_prctl+0xe6c/0x1d70 [ 42.600167] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.601034] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.601990] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.602953] ? irqentry_exit+0xf3/0x650 [ 42.603708] do_syscall_64+0xbf/0x430 [ 42.604388] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.605330] RIP: 0033:0x7fa1c6e285cd [ 42.606023] 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 [ 42.609147] RSP: 002b:00007ffdbc57a1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.610490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1c6e285cd [ 42.611749] RDX: 0000558825f4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.613030] RBP: 00007ffdbc57a240 R08: 0000000000000000 R09: 00007ffdbc5798e0 [ 42.614287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558839887ad0 [ 42.615545] R13: 00007ffdbc57a670 R14: 0000558839888bc0 R15: 0000558839899780 [ 42.616826] [ 42.617249] irq event stamp: 1819 [ 42.617898] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 42.619394] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 42.620899] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 42.622415] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.623926] ---[ end trace 0000000000000000 ]--- [ 43.433872] ------------[ cut here ]------------ [ 43.434801] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.436787] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.438264] Modules linked in: [ 43.438910] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.440869] Tainted: [W]=WARN [ 43.441412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.442852] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.443741] 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 [ 43.446873] RSP: 0018:ffff88801767fbc0 EFLAGS: 00010286 [ 43.447835] RAX: 0000000000000000 RBX: ffffed1002ecff78 RCX: ffffffff813a4050 [ 43.449103] RDX: ffff88801732b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.450384] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecff2f [ 43.451641] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.452903] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801767fdf8 [ 43.454164] FS: 00007f2c5a95f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.455571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.456624] CR2: 00007ffe8e09bef8 CR3: 000000000e300000 CR4: 0000000000350ef0 [ 43.457896] Call Trace: [ 43.458354] [ 43.458800] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.459691] ? __create_object+0x59/0x80 [ 43.460428] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.461389] __vmalloc_noprof+0x59/0x60 [ 43.462138] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.462994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.463908] bpf_prog_alloc+0x39/0x200 [ 43.464633] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.465573] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.466415] do_seccomp+0x349/0x25e0 [ 43.467115] ? find_held_lock+0x2b/0x80 [ 43.467867] ? do_prlimit+0x310/0x610 [ 43.468587] ? __pfx_do_seccomp+0x10/0x10 [ 43.469335] ? do_raw_spin_unlock+0x53/0x220 [ 43.470161] ? _raw_spin_unlock+0x1e/0x40 [ 43.470921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.471876] ? static_key_count+0x60/0x80 [ 43.472666] prctl_set_seccomp+0x4e/0x70 [ 43.473399] __do_sys_prctl+0xe6c/0x1d70 [ 43.474167] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.475017] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.475969] ? irqentry_exit+0xf3/0x650 [ 43.476741] do_syscall_64+0xbf/0x430 [ 43.477431] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.478365] RIP: 0033:0x7f2c5ae515cd [ 43.479052] 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 [ 43.482198] RSP: 002b:00007ffe8e09a740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.483535] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2c5ae515cd [ 43.484811] RDX: 00005626a6187e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.486074] RBP: 00007ffe8e09a7a0 R08: 0000000000000000 R09: 00007ffe8e099e40 [ 43.487332] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626c0510240 [ 43.488606] R13: 00007ffe8e09abd0 R14: 00005626c050fbf0 R15: 00005626c05244d0 [ 43.489897] [ 43.490313] irq event stamp: 1801 [ 43.490952] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 43.492442] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.493976] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 43.495491] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 43.496990] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6287' (ECDSA) to the list of known hosts. 2025/11/17 13:52:58 fuzzer started 2025/11/17 13:52:58 dialing manager at localhost:37895 2025/11/17 13:52:58 checking machine... 2025/11/17 13:52:58 checking revisions... [ 44.364029] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:52:58 testing simple program... [ 44.446867] cgroup: Unknown subsys name 'net' [ 44.508326] cgroup: Unknown subsys name 'cpuset' [ 44.525381] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:52:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000002 RCX=dfb8078e475e76a4 RDX=1ffff1100d9c1152 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a91 R15=ffff88806ce08a50 RIP=ffffffff8135e542 RFL=00000212 [----A--] 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 00007fa1c6936900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdbc574000 CR3=0000000020462000 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=5320444f4854454d5f54505952434e45 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=0000000000000000 RBX=ffff888009757e18 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff888009757780 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=000000000000b615 R12=ffffffff8135e7a2 R13=ffff888009757888 R14=ffff8880096fb780 R15=ffff888009757840 RIP=ffffffff81528f45 RFL=00000206 [-----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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffcc5265e8 CR3=000000000e3a0000 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=a655f4991481c6a6604ae3aea396b518 XMM02=0000000000302080eff9b2d0a8fce9cb XMM03=00000000003021502c67c8bc2e329bc3 XMM04=26dc6245e4e1cd6800000000000ae988 XMM05=07c8bb74b6c04a44000000000031e518 XMM06=d74844bf967d85ba000000000031e3a0 XMM07=e042d86d42eb936e000000000030ddd8 XMM08=8b3ea5a05a4e3e4f0000000000302150 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000