syzkaller login: [ 46.949048] ------------[ cut here ]------------ [ 46.950229] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.952313] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.953790] Modules linked in: [ 46.954422] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.956420] Tainted: [W]=WARN [ 46.956987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.958480] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.959392] 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 [ 46.962525] RSP: 0018:ffff888015557bc0 EFLAGS: 00010286 [ 46.963468] RAX: 0000000000000000 RBX: ffffed1002aaaf78 RCX: ffffffff813a4050 [ 46.964697] RDX: ffff888016f68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.965937] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aaaf2f [ 46.967164] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.968397] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015557df8 [ 46.969665] FS: 00007fd5c7e3a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.971046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.972060] CR2: 00007ffe7df04ef8 CR3: 000000000d516000 CR4: 0000000000350ef0 [ 46.973732] Call Trace: [ 46.974191] [ 46.974631] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.975489] ? __create_object+0x59/0x80 [ 46.976201] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.977124] __vmalloc_noprof+0x59/0x60 [ 46.977862] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.978713] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.979626] bpf_prog_alloc+0x39/0x200 [ 46.980323] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.981169] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.982051] do_seccomp+0x349/0x25e0 [ 46.982739] ? find_held_lock+0x2b/0x80 [ 46.983465] ? do_prlimit+0x310/0x610 [ 46.984143] ? __pfx_do_seccomp+0x10/0x10 [ 46.984897] ? do_raw_spin_unlock+0x53/0x220 [ 46.985768] ? _raw_spin_unlock+0x1e/0x40 [ 46.986583] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.987604] ? static_key_count+0x60/0x80 [ 46.988407] prctl_set_seccomp+0x4e/0x70 [ 46.989176] __do_sys_prctl+0xe6c/0x1d70 [ 46.990018] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.990908] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.991930] ? irqentry_exit+0xf3/0x650 [ 46.992718] do_syscall_64+0xbf/0x430 [ 46.993496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.994488] RIP: 0033:0x7fd5c832c5cd [ 46.995155] 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 [ 46.998388] RSP: 002b:00007ffe7df03d90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.999820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5c832c5cd [ 47.001117] RDX: 000055f51750fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.002482] RBP: 00007ffe7df03df0 R08: 0000000000000000 R09: 00007ffe7df03490 [ 47.003820] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f555815bf0 [ 47.005139] R13: 00007ffe7df04220 R14: 000055f55581f380 R15: 000055f55582a460 [ 47.006527] [ 47.006961] irq event stamp: 1777 [ 47.007640] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 47.009192] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 47.010778] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 47.012374] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 47.013944] ---[ end trace 0000000000000000 ]--- [ 49.966820] ------------[ cut here ]------------ [ 49.967700] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.969692] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.971088] Modules linked in: [ 49.971749] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.973674] Tainted: [W]=WARN [ 49.974204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.975613] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.976495] 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 [ 49.979546] RSP: 0018:ffff8880162cfbc0 EFLAGS: 00010286 [ 49.980490] RAX: 0000000000000000 RBX: ffffed1002c59f78 RCX: ffffffff813a4050 [ 49.981739] RDX: ffff888015785340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.982972] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c59f2f [ 49.984210] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.985445] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880162cfdf8 [ 49.986678] FS: 00007f9e5d9c3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.988059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.989067] CR2: 00007f9e5deb5580 CR3: 000000001f79f000 CR4: 0000000000350ef0 [ 49.990319] Call Trace: [ 49.990766] [ 49.991154] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.992021] ? __create_object+0x59/0x80 [ 49.992769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.993702] __vmalloc_noprof+0x59/0x60 [ 49.994429] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.995218] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.996116] bpf_prog_alloc+0x39/0x200 [ 49.996815] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.997700] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.998438] do_seccomp+0x349/0x25e0 [ 49.998979] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.999708] ? __pfx_do_seccomp+0x10/0x10 [ 50.000331] ? find_held_lock+0x2b/0x80 [ 50.000898] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.001682] ? static_key_count+0x60/0x80 [ 50.002323] prctl_set_seccomp+0x4e/0x70 [ 50.002902] __do_sys_prctl+0xe6c/0x1d70 [ 50.003533] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.004182] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.004943] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.005766] ? irqentry_exit+0xf3/0x650 [ 50.006378] do_syscall_64+0xbf/0x430 [ 50.006931] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.007696] RIP: 0033:0x7f9e5deb55cd [ 50.008223] 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 [ 50.010787] RSP: 002b:00007ffd10040db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.012339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e5deb55cd [ 50.013410] RDX: 000055d539d5ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.014447] RBP: 00007ffd10040e10 R08: 0000000000000000 R09: 00007ffd100404b0 [ 50.015468] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d54ef35ad0 [ 50.016487] R13: 00007ffd10041240 R14: 000055d54ef36bc0 R15: 000055d54ef47780 [ 50.017551] [ 50.017890] irq event stamp: 1725 [ 50.018414] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 50.019644] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 50.020868] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 50.022129] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 50.023345] ---[ end trace 0000000000000000 ]--- [ 50.783361] ------------[ cut here ]------------ [ 50.784236] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.786461] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.787892] Modules linked in: [ 50.788530] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.790550] Tainted: [W]=WARN [ 50.791103] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.792572] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.793497] 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 [ 50.796629] RSP: 0018:ffff88801574fbc0 EFLAGS: 00010286 [ 50.797619] RAX: 0000000000000000 RBX: ffffed1002ae9f78 RCX: ffffffff813a4050 [ 50.798875] RDX: ffff88800fdeb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.800146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ae9f2f [ 50.801420] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.802687] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801574fdf8 [ 50.803960] FS: 00007fd7eb893900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.805388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.806461] CR2: 00007fd7ebd85580 CR3: 000000000d0f1000 CR4: 0000000000350ef0 [ 50.807862] Call Trace: [ 50.808367] [ 50.808779] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.809711] ? __create_object+0x59/0x80 [ 50.810492] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.811469] __vmalloc_noprof+0x59/0x60 [ 50.812173] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.813038] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.813997] bpf_prog_alloc+0x39/0x200 [ 50.814728] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.815659] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.816564] do_seccomp+0x349/0x25e0 [ 50.817226] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.818152] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.819110] ? __pfx_do_seccomp+0x10/0x10 [ 50.819895] ? irqentry_exit+0x17b/0x650 [ 50.820655] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 50.821640] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.822602] ? static_key_count+0x60/0x80 [ 50.823400] prctl_set_seccomp+0x4e/0x70 [ 50.824121] __do_sys_prctl+0xe6c/0x1d70 [ 50.824899] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.825780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.826753] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.827734] ? irqentry_exit+0xf3/0x650 [ 50.828483] do_syscall_64+0xbf/0x430 [ 50.829173] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.830149] RIP: 0033:0x7fd7ebd855cd [ 50.830844] 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 [ 50.834011] RSP: 002b:00007ffde14a4280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.835359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7ebd855cd [ 50.836624] RDX: 0000563349d5ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.837922] RBP: 00007ffde14a42e0 R08: 0000000000000000 R09: 00007ffde14a3980 [ 50.839201] R10: 0000000000000000 R11: 0000000000000246 R12: 000056334d0082b0 [ 50.840466] R13: 00007ffde14a4710 R14: 000056334d00ad20 R15: 000056334d01c8d0 [ 50.841771] [ 50.842193] irq event stamp: 1765 [ 50.842840] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 50.844356] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 50.845886] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 50.847425] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 50.848952] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18629' (ECDSA) to the list of known hosts. 2025/11/17 16:23:40 fuzzer started 2025/11/17 16:23:41 dialing manager at localhost:37895 2025/11/17 16:23:41 checking machine... 2025/11/17 16:23:41 checking revisions... [ 51.749091] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:23:41 testing simple program... [ 51.838061] cgroup: Unknown subsys name 'net' [ 51.885787] cgroup: Unknown subsys name 'cpuset' [ 51.893794] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:23:40 Registers: info registers vcpu 0 RAX=ffff88800b8f6510 RBX=ffffffff86650094 RCX=255630821f11977f RDX=0000000000000000 RSI=ffffffff81b4c2e5 RDI=ffff88806ce31cd0 RBP=ffff88800b8f6500 RSP=ffff8880191a7960 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffffffff86650094 R14=0000000000000006 R15=dffffc0000000000 RIP=ffffffff81b4c323 RFL=00000202 [-------] 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 00007f9e5d9c3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055d54ef4bb88 CR3=000000001f79c000 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=000000000002e4a1 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=00000202 [-------] 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7301d27000 CR3=000000000d228000 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=be960ce996c807aa654f1be4c6c4247d XMM02=ec2efd57dc4c00df0000000000305120 XMM03=986124dfdf03219c00000000003051f0 XMM04=128673a221e08e4700000000000ae988 XMM05=cb7dbbade9f9c6470000000000322d88 XMM06=474038aa6c007e1f0000000000321e28 XMM07=e042d86d42eb936e00000000003131a0 XMM08=986124dfdf03219c00000000003051f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000