syzkaller login: [ 39.077013] ------------[ cut here ]------------ [ 39.078020] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.080078] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.081571] Modules linked in: [ 39.082187] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.084431] Tainted: [W]=WARN [ 39.085289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.086820] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.087757] 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 [ 39.090959] RSP: 0018:ffff888015cf7bc0 EFLAGS: 00010286 [ 39.091960] RAX: 0000000000000000 RBX: ffffed1002b9ef78 RCX: ffffffff813a4050 [ 39.093275] RDX: ffff8880169dd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.094592] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b9ef2f [ 39.095893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.097221] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cf7df8 [ 39.098555] FS: 00007f27f84d4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.100003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.101077] CR2: 00007f27f89c6580 CR3: 000000000cfc7000 CR4: 0000000000350ef0 [ 39.102400] Call Trace: [ 39.102910] [ 39.103330] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.104254] ? __create_object+0x59/0x80 [ 39.105060] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.106076] __vmalloc_noprof+0x59/0x60 [ 39.106849] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.107730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.108949] bpf_prog_alloc+0x39/0x200 [ 39.109703] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.110676] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.111590] do_seccomp+0x349/0x25e0 [ 39.112277] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.113186] ? __pfx_do_seccomp+0x10/0x10 [ 39.113997] ? find_held_lock+0x2b/0x80 [ 39.114771] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.115748] ? static_key_count+0x60/0x80 [ 39.116573] prctl_set_seccomp+0x4e/0x70 [ 39.117322] __do_sys_prctl+0xe6c/0x1d70 [ 39.118140] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.119024] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.119997] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.120986] ? irqentry_exit+0xf3/0x650 [ 39.121745] do_syscall_64+0xbf/0x430 [ 39.122470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.123424] RIP: 0033:0x7f27f89c65cd [ 39.124129] 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 [ 39.127316] RSP: 002b:00007ffcda7f0ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.128693] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27f89c65cd [ 39.130012] RDX: 000055d1714d4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.131318] RBP: 00007ffcda7f0c00 R08: 0000000000000000 R09: 00007ffcda7f02a0 [ 39.132632] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d1729372b0 [ 39.133945] R13: 00007ffcda7f1030 R14: 000055d172939d20 R15: 000055d17294b8d0 [ 39.135273] [ 39.135756] irq event stamp: 1875 [ 39.136374] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 39.137931] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 39.139474] softirqs last enabled at (1852): [] handle_softirqs+0x50c/0x770 [ 39.141070] softirqs last disabled at (1847): [] __irq_exit_rcu+0xc4/0x100 [ 39.142610] ---[ end trace 0000000000000000 ]--- [ 41.971397] ------------[ cut here ]------------ [ 41.971969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.972898] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.973557] Modules linked in: [ 41.973828] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.974758] Tainted: [W]=WARN [ 41.975011] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.975680] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.976074] 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 [ 41.977527] RSP: 0018:ffff888019a0fbc0 EFLAGS: 00010286 [ 41.977961] RAX: 0000000000000000 RBX: ffffed1003341f78 RCX: ffffffff813a4050 [ 41.978559] RDX: ffff888015ab8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.979126] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003341f2f [ 41.979709] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.980274] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a0fdf8 [ 41.980858] FS: 00007f7ad3651900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.981495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.981999] CR2: 00007f7ad3b43580 CR3: 000000000ce43000 CR4: 0000000000350ef0 [ 41.982593] Call Trace: [ 41.982830] [ 41.983075] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.983464] ? __create_object+0x59/0x80 [ 41.983820] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.984242] __vmalloc_noprof+0x59/0x60 [ 41.984590] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.984970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.985467] bpf_prog_alloc+0x39/0x200 [ 41.985805] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.986231] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.986649] do_seccomp+0x349/0x25e0 [ 41.986958] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.987349] ? __pfx_do_seccomp+0x10/0x10 [ 41.987705] ? find_held_lock+0x2b/0x80 [ 41.988034] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.988452] ? static_key_count+0x60/0x80 [ 41.988820] prctl_set_seccomp+0x4e/0x70 [ 41.989153] __do_sys_prctl+0xe6c/0x1d70 [ 41.989495] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.989878] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.990320] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.990759] ? irqentry_exit+0xf3/0x650 [ 41.991091] do_syscall_64+0xbf/0x430 [ 41.991406] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.991839] RIP: 0033:0x7f7ad3b435cd [ 41.992139] 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 [ 41.993614] RSP: 002b:00007ffec0403c70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.994309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ad3b435cd [ 41.994897] RDX: 000055c422a0be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.995463] RBP: 00007ffec0403cd0 R08: 0000000000000000 R09: 00007ffec0403370 [ 41.996046] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c43148dad0 [ 41.996623] R13: 00007ffec0404100 R14: 000055c43148ebc0 R15: 000055c43149f780 [ 41.997198] [ 41.997390] irq event stamp: 1651 [ 41.997688] hardirqs last enabled at (1661): [] __up_console_sem+0x78/0x80 [ 41.998393] hardirqs last disabled at (1668): [] __up_console_sem+0x5d/0x80 [ 41.999092] softirqs last enabled at (1216): [] handle_softirqs+0x50c/0x770 [ 41.999798] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.000466] ---[ end trace 0000000000000000 ]--- [ 42.514042] ------------[ cut here ]------------ [ 42.514940] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.516986] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.518733] Modules linked in: [ 42.519320] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.521333] Tainted: [W]=WARN [ 42.521925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.523396] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.524297] 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 [ 42.527431] RSP: 0018:ffff888016f9fbc0 EFLAGS: 00010286 [ 42.528396] RAX: 0000000000000000 RBX: ffffed1002df3f78 RCX: ffffffff813a4050 [ 42.529669] RDX: ffff88800f4cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.530936] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df3f2f [ 42.532197] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.533478] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f9fdf8 [ 42.534759] FS: 00007f8d61912900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.536178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.537215] CR2: 00007f8d61e04580 CR3: 000000000dc6c000 CR4: 0000000000350ef0 [ 42.538488] Call Trace: [ 42.538989] [ 42.539392] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.540280] ? __create_object+0x59/0x80 [ 42.541055] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.542023] __vmalloc_noprof+0x59/0x60 [ 42.542774] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.543640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.544510] bpf_prog_alloc+0x39/0x200 [ 42.545244] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.546174] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.547074] do_seccomp+0x349/0x25e0 [ 42.547791] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.548686] ? __pfx_do_seccomp+0x10/0x10 [ 42.549417] ? find_held_lock+0x2b/0x80 [ 42.550198] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.551156] ? static_key_count+0x60/0x80 [ 42.551952] prctl_set_seccomp+0x4e/0x70 [ 42.552723] __do_sys_prctl+0xe6c/0x1d70 [ 42.553456] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.554306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.555256] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.556205] ? irqentry_exit+0xf3/0x650 [ 42.556969] do_syscall_64+0xbf/0x430 [ 42.557707] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.558659] RIP: 0033:0x7f8d61e045cd [ 42.559308] 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 [ 42.562416] RSP: 002b:00007ffd6510d5a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.563748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d61e045cd [ 42.565010] RDX: 000055b03d2d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.566277] RBP: 00007ffd6510d600 R08: 0000000000000000 R09: 00007ffd6510cca0 [ 42.567353] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b0545bcb10 [ 42.568390] R13: 00007ffd6510da30 R14: 000055b0545bd2b0 R15: 000055b0545d16f0 [ 42.569425] [ 42.569797] irq event stamp: 2675 [ 42.570297] hardirqs last enabled at (2683): [] __up_console_sem+0x78/0x80 [ 42.571512] hardirqs last disabled at (2692): [] __up_console_sem+0x5d/0x80 [ 42.572736] softirqs last enabled at (2442): [] handle_softirqs+0x50c/0x770 [ 42.573979] softirqs last disabled at (2433): [] __irq_exit_rcu+0xc4/0x100 [ 42.575195] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16160' (ECDSA) to the list of known hosts. 2025/11/18 00:00:28 fuzzer started 2025/11/18 00:00:28 dialing manager at localhost:37895 2025/11/18 00:00:28 checking machine... 2025/11/18 00:00:28 checking revisions... [ 43.485071] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:00:28 testing simple program... [ 43.574807] cgroup: Unknown subsys name 'net' [ 43.635971] cgroup: Unknown subsys name 'cpuset' [ 43.650362] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:00:27 Registers: info registers vcpu 0 RAX=0000000000000041 RBX=00000000000004e0 RCX=000055c431469010 RDX=0000000000020180 RSI=000055c4314ab110 RDI=00007f7ad3c03b80 RBP=00007f7ad3c03b80 RSP=00007ffec04032a0 R8 =0000000000000007 R9 =00007ffec0403470 R10=0000000000000024 R11=0000000000000202 R12=000055c4314ab110 R13=000055c4314ab5f0 R14=000055c4314ab120 R15=0000000000000000 RIP=00007f7ad3acbabd RFL=00000287 [--S--PC] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f7ad3651900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7ad35fb008 CR3=000000001e513000 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=0000000080010001 RBX=1ffff1100d9e11b2 RCX=ffffffff8166d5a3 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000004 RBP=ffff88806cf28e58 RSP=ffff88806cf08d70 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=00000009da0d85c5 R13=ffff8880096efda8 R14=0000000000000001 R15=0000000000000000 RIP=ffffffff817515ca 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f83275aa000 CR3=000000000daf7000 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=0738ed133cd8ab838a4e74d73712f1e5 XMM02=2c67c8bc2e329bc300000000003020d0 XMM03=fb795ef6d6577056000000000030f720 XMM04=3f5654b1ec7bf4ab00000000000ae988 XMM05=d96330e2d2db8632000000000031fe48 XMM06=474038aa6c007e1f000000000031fcd0 XMM07=e042d86d42eb936e000000000030f9a0 XMM08=3cc7561879538e7e0000000000302130 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000