syzkaller login: [ 46.036951] ------------[ cut here ]------------ [ 46.037717] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.039377] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.040660] Modules linked in: [ 46.041242] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.042870] Tainted: [W]=WARN [ 46.043322] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.044533] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.045245] 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 [ 46.047840] RSP: 0018:ffff8880164a7bc0 EFLAGS: 00010286 [ 46.048659] RAX: 0000000000000000 RBX: ffffed1002c94f78 RCX: ffffffff813a4050 [ 46.049717] RDX: ffff888016219bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.050773] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c94f2f [ 46.051832] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.052892] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164a7df8 [ 46.053947] FS: 00007fa787da1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.055139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.056010] CR2: 00007fa788293580 CR3: 000000000a0cc000 CR4: 0000000000350ef0 [ 46.057086] Call Trace: [ 46.057468] [ 46.057847] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.058576] ? __create_object+0x59/0x80 [ 46.059185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.059983] __vmalloc_noprof+0x59/0x60 [ 46.060606] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.061288] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.062047] bpf_prog_alloc+0x39/0x200 [ 46.062652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.063378] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.064117] do_seccomp+0x349/0x25e0 [ 46.064711] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.065412] ? __pfx_do_seccomp+0x10/0x10 [ 46.066064] ? find_held_lock+0x2b/0x80 [ 46.066690] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.067445] ? static_key_count+0x60/0x80 [ 46.068102] prctl_set_seccomp+0x4e/0x70 [ 46.068762] __do_sys_prctl+0xe6c/0x1d70 [ 46.069385] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.070095] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.070900] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.071694] ? irqentry_exit+0xf3/0x650 [ 46.072289] do_syscall_64+0xbf/0x430 [ 46.072912] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.073699] RIP: 0033:0x7fa7882935cd [ 46.074245] 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 [ 46.076989] RSP: 002b:00007ffefd2506e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.078258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7882935cd [ 46.079319] RDX: 000055cf7c0cbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.080381] RBP: 00007ffefd250740 R08: 0000000000000000 R09: 00007ffefd24fde0 [ 46.081439] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf8a5ab2b0 [ 46.082507] R13: 00007ffefd250b70 R14: 000055cf8a5add20 R15: 000055cf8a5bf8d0 [ 46.083580] [ 46.083930] irq event stamp: 1737 [ 46.084433] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 46.085687] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 46.086939] softirqs last enabled at (1406): [] handle_softirqs+0x50c/0x770 [ 46.088207] softirqs last disabled at (1391): [] __irq_exit_rcu+0xc4/0x100 [ 46.089472] ---[ end trace 0000000000000000 ]--- [ 48.867736] ------------[ cut here ]------------ [ 48.868654] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.870673] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 48.872317] Modules linked in: [ 48.873020] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.874967] Tainted: [W]=WARN [ 48.875550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.877005] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.877913] 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 [ 48.881050] RSP: 0018:ffff888016cc7bc0 EFLAGS: 00010286 [ 48.882014] RAX: 0000000000000000 RBX: ffffed1002d98f78 RCX: ffffffff813a4050 [ 48.883288] RDX: ffff88801a6a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.884547] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d98f2f [ 48.885825] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.887108] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cc7df8 [ 48.888404] FS: 00007fe7efdb5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.889851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.890921] CR2: 00007fe7f02a7580 CR3: 000000001fc20000 CR4: 0000000000350ef0 [ 48.892209] Call Trace: [ 48.892733] [ 48.893148] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.894056] ? __create_object+0x59/0x80 [ 48.894848] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.895819] __vmalloc_noprof+0x59/0x60 [ 48.896599] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.897430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.898360] bpf_prog_alloc+0x39/0x200 [ 48.899092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.900024] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.900940] do_seccomp+0x349/0x25e0 [ 48.901664] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.902566] ? __pfx_do_seccomp+0x10/0x10 [ 48.903317] ? find_held_lock+0x2b/0x80 [ 48.904072] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.905054] ? static_key_count+0x60/0x80 [ 48.905857] prctl_set_seccomp+0x4e/0x70 [ 48.906636] __do_sys_prctl+0xe6c/0x1d70 [ 48.907376] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.908231] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.909204] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.910183] ? irqentry_exit+0xf3/0x650 [ 48.910952] do_syscall_64+0xbf/0x430 [ 48.911691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.912655] RIP: 0033:0x7fe7f02a75cd [ 48.913322] 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 [ 48.916511] RSP: 002b:00007fffb62c3250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.917892] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7f02a75cd [ 48.919169] RDX: 000055ee0b74fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.920466] RBP: 00007fffb62c32b0 R08: 0000000000000000 R09: 00007fffb62c2950 [ 48.921773] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ee3b331ad0 [ 48.923053] R13: 00007fffb62c36e0 R14: 000055ee3b332bc0 R15: 000055ee3b343780 [ 48.924345] [ 48.924792] irq event stamp: 1789 [ 48.925317] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 48.926585] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 48.927868] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 48.929181] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 48.930445] ---[ end trace 0000000000000000 ]--- [ 49.565079] ------------[ cut here ]------------ [ 49.565975] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.567939] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.569426] Modules linked in: [ 49.570618] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.572733] Tainted: [W]=WARN [ 49.573287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.574770] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.575718] 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 [ 49.578900] RSP: 0018:ffff888007177bc0 EFLAGS: 00010286 [ 49.579876] RAX: 0000000000000000 RBX: ffffed1000e2ef78 RCX: ffffffff813a4050 [ 49.581152] RDX: ffff88800f61d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.582409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000e2ef2f [ 49.583660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.584925] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888007177df8 [ 49.586178] FS: 00007f8c0a001900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.587581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.588649] CR2: 00007f8c0a4f3580 CR3: 000000000e10d000 CR4: 0000000000350ef0 [ 49.589904] Call Trace: [ 49.590357] [ 49.590801] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.591680] ? __create_object+0x59/0x80 [ 49.592409] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.593354] __vmalloc_noprof+0x59/0x60 [ 49.594103] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.594959] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.595870] bpf_prog_alloc+0x39/0x200 [ 49.596604] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.597479] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.598367] do_seccomp+0x349/0x25e0 [ 49.599067] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.599961] ? __pfx_do_seccomp+0x10/0x10 [ 49.600746] ? find_held_lock+0x2b/0x80 [ 49.601443] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.602385] ? static_key_count+0x60/0x80 [ 49.603175] prctl_set_seccomp+0x4e/0x70 [ 49.603937] __do_sys_prctl+0xe6c/0x1d70 [ 49.604721] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.605559] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.606469] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.607415] ? irqentry_exit+0xf3/0x650 [ 49.608158] do_syscall_64+0xbf/0x430 [ 49.608896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.609824] RIP: 0033:0x7f8c0a4f35cd [ 49.610481] 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 [ 49.613619] RSP: 002b:00007ffd551873c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.614954] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c0a4f35cd [ 49.616206] RDX: 000055b4ad7cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.617479] RBP: 00007ffd55187420 R08: 0000000000000000 R09: 00007ffd55186ac0 [ 49.618769] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4ae569ad0 [ 49.620044] R13: 00007ffd55187850 R14: 000055b4ae56abc0 R15: 000055b4ae57b780 [ 49.621289] [ 49.621686] irq event stamp: 1787 [ 49.622216] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.623483] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.624812] softirqs last enabled at (1366): [] handle_softirqs+0x50c/0x770 [ 49.626111] softirqs last disabled at (1361): [] __irq_exit_rcu+0xc4/0x100 [ 49.627390] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22496' (ECDSA) to the list of known hosts. 2025/11/17 22:44:00 fuzzer started 2025/11/17 22:44:01 dialing manager at localhost:37895 2025/11/17 22:44:01 checking machine... 2025/11/17 22:44:01 checking revisions... [ 50.470057] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:44:01 testing simple program... [ 50.545039] cgroup: Unknown subsys name 'net' [ 50.601962] cgroup: Unknown subsys name 'cpuset' [ 50.622464] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:44:00 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86aaf6fc RDX=0000000000000008 RSI=ffff888007177780 RDI=ffff8880071774e0 RBP=ffff888007177538 RSP=ffff888007177470 R8 =ffffffff86aaf700 R9 =ffff888007177520 R10=000000000003c9ed R11=0000000000023e8a R12=ffff888007177540 R13=ffff888007177528 R14=ffff888007177788 R15=ffff8880071774e0 RIP=ffffffff8135ef8f 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 00007fe7efdb5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffb62bd000 CR3=000000001f7da000 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=000000000002cd55 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdedbda888 CR3=0000000005c8a000 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=00007f1cb4770510000055b4baffa790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000