syzkaller login: [ 39.064988] ------------[ cut here ]------------ [ 39.065909] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.067893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.069329] Modules linked in: [ 39.069979] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.072198] Tainted: [W]=WARN [ 39.072861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.074337] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.075245] 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 [ 39.078423] RSP: 0018:ffff88800a91fbc0 EFLAGS: 00010286 [ 39.079345] RAX: 0000000000000000 RBX: ffffed1001523f78 RCX: ffffffff813a4050 [ 39.080612] RDX: ffff888016885340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.081903] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001523f2f [ 39.083169] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.084438] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a91fdf8 [ 39.085728] FS: 00007f7475387900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.087190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.088234] CR2: 00007fff32da2ef7 CR3: 0000000009d83000 CR4: 0000000000350ef0 [ 39.089524] Call Trace: [ 39.089997] [ 39.090457] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.091313] ? __create_object+0x59/0x80 [ 39.092079] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.093040] __vmalloc_noprof+0x59/0x60 [ 39.093804] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.094689] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.095617] bpf_prog_alloc+0x39/0x200 [ 39.096305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.097237] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.098132] do_seccomp+0x349/0x25e0 [ 39.098946] ? find_held_lock+0x2b/0x80 [ 39.099816] ? do_prlimit+0x310/0x610 [ 39.100663] ? __pfx_do_seccomp+0x10/0x10 [ 39.101530] ? do_raw_spin_unlock+0x53/0x220 [ 39.102494] ? _raw_spin_unlock+0x1e/0x40 [ 39.103301] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.104361] ? static_key_count+0x60/0x80 [ 39.105230] prctl_set_seccomp+0x4e/0x70 [ 39.106133] __do_sys_prctl+0xe6c/0x1d70 [ 39.107047] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.107994] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.109106] ? irqentry_exit+0xf3/0x650 [ 39.109924] do_syscall_64+0xbf/0x430 [ 39.110745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.111785] RIP: 0033:0x7f74758795cd [ 39.112619] 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 [ 39.116124] RSP: 002b:00007fff32da1430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.117568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74758795cd [ 39.119025] RDX: 0000555b5b5a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.120475] RBP: 00007fff32da1490 R08: 0000000000000000 R09: 00007fff32da0b30 [ 39.121974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555b863ba2b0 [ 39.123418] R13: 00007fff32da18c0 R14: 0000555b863bcd20 R15: 0000555b863ce8d0 [ 39.124846] [ 39.125345] irq event stamp: 1747 [ 39.126035] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.127697] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.129418] softirqs last enabled at (1520): [] handle_softirqs+0x50c/0x770 [ 39.131079] softirqs last disabled at (1515): [] __irq_exit_rcu+0xc4/0x100 [ 39.132756] ---[ end trace 0000000000000000 ]--- [ 41.921549] ------------[ cut here ]------------ [ 41.922531] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.924530] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.925995] Modules linked in: [ 41.926637] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.928857] Tainted: [W]=WARN [ 41.929533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.931018] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.931956] 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 [ 41.935095] RSP: 0018:ffff88801ba67bc0 EFLAGS: 00010286 [ 41.936055] RAX: 0000000000000000 RBX: ffffed100374cf78 RCX: ffffffff813a4050 [ 41.937342] RDX: ffff888014c13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.938632] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100374cf2f [ 41.939926] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.941217] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ba67df8 [ 41.942521] FS: 00007fb54eac6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.943958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.945024] CR2: 00007fb54efb8580 CR3: 0000000009bcd000 CR4: 0000000000350ef0 [ 41.946351] Call Trace: [ 41.946851] [ 41.947257] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.948162] ? __create_object+0x59/0x80 [ 41.948940] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.949917] __vmalloc_noprof+0x59/0x60 [ 41.950685] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.951567] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.952509] bpf_prog_alloc+0x39/0x200 [ 41.953209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.954144] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.955058] do_seccomp+0x349/0x25e0 [ 41.955778] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.956674] ? __pfx_do_seccomp+0x10/0x10 [ 41.957493] ? find_held_lock+0x2b/0x80 [ 41.958225] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.959207] ? static_key_count+0x60/0x80 [ 41.960016] prctl_set_seccomp+0x4e/0x70 [ 41.960808] __do_sys_prctl+0xe6c/0x1d70 [ 41.961595] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.962476] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.963438] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.964375] ? irqentry_exit+0xf3/0x650 [ 41.965160] do_syscall_64+0xbf/0x430 [ 41.965919] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.966889] RIP: 0033:0x7fb54efb85cd [ 41.967594] 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 [ 41.970805] RSP: 002b:00007fff5bb5e180 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.972184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb54efb85cd [ 41.973459] RDX: 000055c518601e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.974781] RBP: 00007fff5bb5e1e0 R08: 0000000000000000 R09: 00007fff5bb5d880 [ 41.976056] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5458122b0 [ 41.977348] R13: 00007fff5bb5e610 R14: 000055c545814d20 R15: 000055c5458268d0 [ 41.978684] [ 41.979120] irq event stamp: 1865 [ 41.979756] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 41.981291] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 41.982767] softirqs last enabled at (1854): [] handle_softirqs+0x50c/0x770 [ 41.984183] softirqs last disabled at (1839): [] __irq_exit_rcu+0xc4/0x100 [ 41.985532] ---[ end trace 0000000000000000 ]--- [ 42.820954] ------------[ cut here ]------------ [ 42.822012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.824109] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.825626] Modules linked in: [ 42.826258] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.828734] Tainted: [W]=WARN [ 42.829312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.831236] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.832196] 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 [ 42.835501] RSP: 0018:ffff888016d7fbc0 EFLAGS: 00010286 [ 42.836544] RAX: 0000000000000000 RBX: ffffed1002daff78 RCX: ffffffff813a4050 [ 42.837935] RDX: ffff888017015340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.839066] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002daff2f [ 42.840167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.841234] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d7fdf8 [ 42.842320] FS: 00007f506638a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.843554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.844438] CR2: 00007ffc8e555ef7 CR3: 000000000e067000 CR4: 0000000000350ef0 [ 42.845518] Call Trace: [ 42.845931] [ 42.846273] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.847036] ? __create_object+0x59/0x80 [ 42.847684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.848495] __vmalloc_noprof+0x59/0x60 [ 42.849096] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.849831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.850620] bpf_prog_alloc+0x39/0x200 [ 42.851211] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.851994] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.852766] do_seccomp+0x349/0x25e0 [ 42.853325] ? find_held_lock+0x2b/0x80 [ 42.853976] ? do_prlimit+0x310/0x610 [ 42.854595] ? __pfx_do_seccomp+0x10/0x10 [ 42.855207] ? do_raw_spin_unlock+0x53/0x220 [ 42.855912] ? _raw_spin_unlock+0x1e/0x40 [ 42.856558] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.857337] ? static_key_count+0x60/0x80 [ 42.858027] prctl_set_seccomp+0x4e/0x70 [ 42.858674] __do_sys_prctl+0xe6c/0x1d70 [ 42.859381] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.860236] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.861200] ? irqentry_exit+0xf3/0x650 [ 42.861982] do_syscall_64+0xbf/0x430 [ 42.862705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.863658] RIP: 0033:0x7f506687c5cd [ 42.864326] 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 [ 42.867613] RSP: 002b:00007ffc8e553a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.868996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f506687c5cd [ 42.870294] RDX: 000056142f061e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.871571] RBP: 00007ffc8e553ad0 R08: 0000000000000000 R09: 00007ffc8e553170 [ 42.872834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561446eaa2b0 [ 42.874120] R13: 00007ffc8e553f00 R14: 0000561446eacd20 R15: 0000561446ebe8d0 [ 42.875437] [ 42.875855] irq event stamp: 1881 [ 42.876497] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 42.878033] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 42.879547] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 42.881078] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 42.882601] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38594' (ECDSA) to the list of known hosts. 2025/11/19 01:46:00 fuzzer started 2025/11/19 01:46:00 dialing manager at localhost:34383 2025/11/19 01:46:00 checking machine... 2025/11/19 01:46:00 checking revisions... [ 43.808209] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:46:00 testing simple program... [ 43.910805] cgroup: Unknown subsys name 'net' [ 44.010615] cgroup: Unknown subsys name 'cpuset' [ 44.045121] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:45:59 Registers: info registers vcpu 0 RAX=0000000000000010 RBX=0000000000000002 RCX=00007ffe4d1ebb60 RDX=00000000ffffffff RSI=00007ffe4d1ebdd0 RDI=00007ffe4d1ebce0 RBP=0000000000000005 RSP=00007ffe4d1eb9f0 R8 =0000000000000000 R9 =0000000000000010 R10=0000000000000002 R11=0000000000656434 R12=00007ffe4d1ebce0 R13=00007ffe4d1ebdd0 R14=0000000000000000 R15=00007ffe4d1ebb70 RIP=00007fde9122c7b6 RFL=00000202 [-------] 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 00007fde90a24900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb54f07b650 CR3=000000000d4a9000 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=ec0f5830382ec78700000000000ae988 XMM01=d3fdd5f48436fbd700000000000aead0 XMM02=ac585006bc0bee6f000000000018b870 XMM03=eff9b2d0a8fce9cb0000000000304f18 XMM04=67a1dbf4c6739c1d00000000003050a0 XMM05=ec2efd57dc4c00df0000000000304fd0 XMM06=2fccd54c36d8a3f3000000000018db50 XMM07=693bd129e125714a000000000018b678 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000235dd 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=00007fffd8e69948 CR3=0000000009c79000 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=2039353a35343a313020393120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039353a35343a3130203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000