syzkaller login: [ 46.203603] ------------[ cut here ]------------ [ 46.204521] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.206547] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.208000] Modules linked in: [ 46.208577] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.210828] Tainted: [W]=WARN [ 46.211399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.212942] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.213870] 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 [ 46.217015] RSP: 0018:ffff888015f87bc0 EFLAGS: 00010286 [ 46.218032] RAX: 0000000000000000 RBX: ffffed1002bf0f78 RCX: ffffffff813a4050 [ 46.219325] RDX: ffff888015f88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.220619] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bf0f2f [ 46.221968] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.223277] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f87df8 [ 46.224563] FS: 00007fecdf249900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.226018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.227086] CR2: 00007fff3d0d8ef7 CR3: 000000000b880000 CR4: 0000000000350ef0 [ 46.228391] Call Trace: [ 46.228906] [ 46.229336] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.230246] ? __create_object+0x59/0x80 [ 46.231045] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.232021] __vmalloc_noprof+0x59/0x60 [ 46.232766] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.233605] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.234539] bpf_prog_alloc+0x39/0x200 [ 46.235273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.236209] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.237114] do_seccomp+0x349/0x25e0 [ 46.237851] ? find_held_lock+0x2b/0x80 [ 46.238573] ? do_prlimit+0x310/0x610 [ 46.239320] ? __pfx_do_seccomp+0x10/0x10 [ 46.240109] ? do_raw_spin_unlock+0x53/0x220 [ 46.240949] ? _raw_spin_unlock+0x1e/0x40 [ 46.241744] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.242725] ? static_key_count+0x60/0x80 [ 46.243487] prctl_set_seccomp+0x4e/0x70 [ 46.244265] __do_sys_prctl+0xe6c/0x1d70 [ 46.245046] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.245920] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.246917] ? irqentry_exit+0xf3/0x650 [ 46.247679] do_syscall_64+0xbf/0x430 [ 46.248374] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.249348] RIP: 0033:0x7fecdf73b5cd [ 46.250059] 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 [ 46.253274] RSP: 002b:00007fff3d0d7380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.254648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fecdf73b5cd [ 46.255949] RDX: 00005563615afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.257264] RBP: 00007fff3d0d73e0 R08: 0000000000000000 R09: 00007fff3d0d6a80 [ 46.258561] R10: 0000000000000000 R11: 0000000000000246 R12: 000055636d9e1ad0 [ 46.259846] R13: 00007fff3d0d7810 R14: 000055636d9e2bc0 R15: 000055636d9f3780 [ 46.261174] [ 46.261597] irq event stamp: 1863 [ 46.262260] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 46.263801] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 46.265332] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 46.266891] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 46.268416] ---[ end trace 0000000000000000 ]--- [ 48.950153] ------------[ cut here ]------------ [ 48.951104] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.953064] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.954515] Modules linked in: [ 48.955158] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.957118] Tainted: [W]=WARN [ 48.957719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.959184] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.960196] 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 [ 48.963606] RSP: 0018:ffff888016aa7bc0 EFLAGS: 00010286 [ 48.964596] RAX: 0000000000000000 RBX: ffffed1002d54f78 RCX: ffffffff813a4050 [ 48.965923] RDX: ffff88800c3a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.967175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d54f2f [ 48.968440] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.969931] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016aa7df8 [ 48.971460] FS: 00007f649e085900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.973044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.974104] CR2: 00007f649e577580 CR3: 000000000cf8e000 CR4: 0000000000350ef0 [ 48.975378] Call Trace: [ 48.975876] [ 48.976292] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.977210] ? __create_object+0x59/0x80 [ 48.977982] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.978951] __vmalloc_noprof+0x59/0x60 [ 48.979702] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.980533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.981460] bpf_prog_alloc+0x39/0x200 [ 48.982184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.983243] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.984142] do_seccomp+0x349/0x25e0 [ 48.984845] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.985740] ? __pfx_do_seccomp+0x10/0x10 [ 48.986466] ? find_held_lock+0x2b/0x80 [ 48.987228] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.988181] ? static_key_count+0x60/0x80 [ 48.988975] prctl_set_seccomp+0x4e/0x70 [ 48.989739] __do_sys_prctl+0xe6c/0x1d70 [ 48.990465] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.991311] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.992263] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.993215] ? irqentry_exit+0xf3/0x650 [ 48.993976] do_syscall_64+0xbf/0x430 [ 48.994696] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.995583] RIP: 0033:0x7f649e5775cd [ 48.996281] 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 [ 48.999413] RSP: 002b:00007fffc881c9f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.000742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f649e5775cd [ 49.002029] RDX: 0000563fc0601e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.003319] RBP: 00007fffc881ca50 R08: 0000000000000000 R09: 00007fffc881c0f0 [ 49.004672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563fcec95ad0 [ 49.006067] R13: 00007fffc881ce80 R14: 0000563fcec96bc0 R15: 0000563fceca7780 [ 49.007378] [ 49.007837] irq event stamp: 1733 [ 49.008462] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 49.010186] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.011867] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 49.013676] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 49.015187] ---[ end trace 0000000000000000 ]--- [ 49.661057] ------------[ cut here ]------------ [ 49.662011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.664055] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.665531] Modules linked in: [ 49.666150] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.668123] Tainted: [W]=WARN [ 49.668727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.670225] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.671389] 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 [ 49.674663] RSP: 0018:ffff88800f1d7bc0 EFLAGS: 00010286 [ 49.675611] RAX: 0000000000000000 RBX: ffffed1001e3af78 RCX: ffffffff813a4050 [ 49.676918] RDX: ffff888015f13780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.678227] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e3af2f [ 49.679520] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.680797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f1d7df8 [ 49.682122] FS: 00007f13339f0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.683550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.684590] CR2: 00007ffd60370ef7 CR3: 000000002033f000 CR4: 0000000000350ef0 [ 49.685901] Call Trace: [ 49.686364] [ 49.686821] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.687709] ? __create_object+0x59/0x80 [ 49.688453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.689467] __vmalloc_noprof+0x59/0x60 [ 49.690224] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.691110] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.692034] bpf_prog_alloc+0x39/0x200 [ 49.692777] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.693752] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.694609] do_seccomp+0x349/0x25e0 [ 49.695328] ? find_held_lock+0x2b/0x80 [ 49.696082] ? do_prlimit+0x310/0x610 [ 49.696832] ? __pfx_do_seccomp+0x10/0x10 [ 49.697603] ? do_raw_spin_unlock+0x53/0x220 [ 49.698454] ? _raw_spin_unlock+0x1e/0x40 [ 49.699236] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.700198] ? static_key_count+0x60/0x80 [ 49.700997] prctl_set_seccomp+0x4e/0x70 [ 49.701821] __do_sys_prctl+0xe6c/0x1d70 [ 49.702556] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.703411] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.704399] ? irqentry_exit+0xf3/0x650 [ 49.705174] do_syscall_64+0xbf/0x430 [ 49.705951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.706918] RIP: 0033:0x7f1333ee25cd [ 49.707595] 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 [ 49.710822] RSP: 002b:00007ffd6036f750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.712195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1333ee25cd [ 49.713516] RDX: 000055ad7a14de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.714800] RBP: 00007ffd6036f7b0 R08: 0000000000000000 R09: 00007ffd6036ee50 [ 49.716090] R10: 0000000000000000 R11: 0000000000000246 R12: 000055adb0358ad0 [ 49.717512] R13: 00007ffd6036fbe0 R14: 000055adb0359bc0 R15: 000055adb036a780 [ 49.718808] [ 49.719229] irq event stamp: 1779 [ 49.719873] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 49.721419] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 49.722712] softirqs last enabled at (1392): [] handle_softirqs+0x50c/0x770 [ 49.723986] softirqs last disabled at (1387): [] __irq_exit_rcu+0xc4/0x100 [ 49.725250] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47987' (ECDSA) to the list of known hosts. 2025/11/18 20:55:28 fuzzer started 2025/11/18 20:55:29 dialing manager at localhost:34383 2025/11/18 20:55:29 checking machine... 2025/11/18 20:55:29 checking revisions... [ 50.609314] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:55:29 testing simple program... [ 50.687820] cgroup: Unknown subsys name 'net' [ 50.741009] cgroup: Unknown subsys name 'cpuset' [ 50.760756] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:55:28 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88800c3addc0 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88806ce37358 RDI=ffff88800c3addc0 RBP=ffff88806ce37358 RSP=ffff88806ce08c48 R8 =00000000ffffffff R9 =ffffed100d9c1190 R10=0000000000000000 R11=0000000000000001 R12=ffff88800c3ad340 R13=ffff88800c3add98 R14=00000000ffffffff R15=ffff88800c3addc0 RIP=ffffffff84c71f92 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 00007f649e085900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f649e04a008 CR3=00000000201b2000 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=ffff888009613e58 RBX=ffffffff85a7f3c0 RCX=ffffffff84c7dc43 RDX=ffff8880096137e8 RSI=0000000000000008 RDI=ffff8880096137e8 RBP=ffff888009637b60 RSP=ffff888009637a50 R8 =0000000000000001 R9 =ffff888009643780 R10=ffff888009613787 R11=0000000000000001 R12=ffff888009613780 R13=ffff888009613780 R14=ffff88806cf37340 R15=0000000000000001 RIP=ffffffff84c7dd13 RFL=00000006 [-----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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6d359c7bc0 CR3=000000000b3e9000 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=35353a303220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343633 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000