syzkaller login: [ 39.003405] ------------[ cut here ]------------ [ 39.004170] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.005871] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.007065] Modules linked in: [ 39.007563] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.009242] Tainted: [W]=WARN [ 39.009700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.010919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.011670] 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 [ 39.014315] RSP: 0018:ffff8880145c7bc0 EFLAGS: 00010286 [ 39.015121] RAX: 0000000000000000 RBX: ffffed10028b8f78 RCX: ffffffff813a4050 [ 39.016190] RDX: ffff888016ed9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.017261] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10028b8f2f [ 39.018333] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.019398] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880145c7df8 [ 39.020481] FS: 00007f1a7557d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.021707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.022607] CR2: 00007ffedc870ef8 CR3: 00000000099b2000 CR4: 0000000000350ef0 [ 39.023690] Call Trace: [ 39.024111] [ 39.024452] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.025225] ? __create_object+0x59/0x80 [ 39.025845] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.026644] __vmalloc_noprof+0x59/0x60 [ 39.027270] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.027963] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.028749] bpf_prog_alloc+0x39/0x200 [ 39.029377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.030155] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.030878] do_seccomp+0x349/0x25e0 [ 39.031482] ? find_held_lock+0x2b/0x80 [ 39.032113] ? do_prlimit+0x310/0x610 [ 39.032701] ? __pfx_do_seccomp+0x10/0x10 [ 39.033370] ? do_raw_spin_unlock+0x53/0x220 [ 39.034069] ? _raw_spin_unlock+0x1e/0x40 [ 39.034686] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.035488] ? static_key_count+0x60/0x80 [ 39.036149] prctl_set_seccomp+0x4e/0x70 [ 39.036760] __do_sys_prctl+0xe6c/0x1d70 [ 39.037431] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.038146] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.038913] ? irqentry_exit+0xf3/0x650 [ 39.039561] do_syscall_64+0xbf/0x430 [ 39.040181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.040951] RIP: 0033:0x7f1a75a6f5cd [ 39.041553] 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 [ 39.044210] RSP: 002b:00007ffedc86fd50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a75a6f5cd [ 39.046449] RDX: 000055f82b675e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.047524] RBP: 00007ffedc86fdb0 R08: 0000000000000000 R09: 00007ffedc86f450 [ 39.048601] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f85e3932b0 [ 39.049674] R13: 00007ffedc8701e0 R14: 000055f85e395d20 R15: 000055f85e3a78d0 [ 39.050773] [ 39.051157] irq event stamp: 1771 [ 39.051657] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.052947] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.054217] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.055505] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 39.056765] ---[ end trace 0000000000000000 ]--- [ 41.918342] ------------[ cut here ]------------ [ 41.918936] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.920085] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 41.920746] Modules linked in: [ 41.921242] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.922296] Tainted: [W]=WARN [ 41.922557] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.923429] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.923850] 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 [ 41.925366] RSP: 0018:ffff88801893fbc0 EFLAGS: 00010286 [ 41.925809] RAX: 0000000000000000 RBX: ffffed1003127f78 RCX: ffffffff813a4050 [ 41.926468] RDX: ffff888016d5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.927120] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003127f2f [ 41.927704] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.928496] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801893fdf8 [ 41.929159] FS: 00007fb45be1c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.929832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.930346] CR2: 00007ffcf2ec0ef8 CR3: 000000000df3b000 CR4: 0000000000350ef0 [ 41.931128] Call Trace: [ 41.931348] [ 41.931538] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.931934] ? __create_object+0x59/0x80 [ 41.932316] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.932751] __vmalloc_noprof+0x59/0x60 [ 41.933120] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.933517] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.933940] bpf_prog_alloc+0x39/0x200 [ 41.934296] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.934713] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.935141] do_seccomp+0x349/0x25e0 [ 41.935459] ? find_held_lock+0x2b/0x80 [ 41.935795] ? do_prlimit+0x310/0x610 [ 41.936151] ? __pfx_do_seccomp+0x10/0x10 [ 41.936511] ? do_raw_spin_unlock+0x53/0x220 [ 41.936878] ? _raw_spin_unlock+0x1e/0x40 [ 41.937254] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.937689] ? static_key_count+0x60/0x80 [ 41.938070] prctl_set_seccomp+0x4e/0x70 [ 41.938418] __do_sys_prctl+0xe6c/0x1d70 [ 41.938764] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.939170] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.939600] ? irqentry_exit+0xf3/0x650 [ 41.939936] do_syscall_64+0xbf/0x430 [ 41.940283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.940713] RIP: 0033:0x7fb45c30e5cd [ 41.941048] 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 [ 41.942561] RSP: 002b:00007ffcf2ebe790 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.943208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb45c30e5cd [ 41.943790] RDX: 000055a22e39fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.944411] RBP: 00007ffcf2ebe7f0 R08: 0000000000000000 R09: 00007ffcf2ebde90 [ 41.945041] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a25cb07ad0 [ 41.945625] R13: 00007ffcf2ebec20 R14: 000055a25cb08bc0 R15: 000055a25cb19780 [ 41.946241] [ 41.946445] irq event stamp: 1803 [ 41.946728] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 41.947617] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 41.948483] softirqs last enabled at (1472): [] handle_softirqs+0x50c/0x770 [ 41.949231] softirqs last disabled at (1457): [] __irq_exit_rcu+0xc4/0x100 [ 41.950061] ---[ end trace 0000000000000000 ]--- [ 42.518056] ------------[ cut here ]------------ [ 42.518942] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.520960] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.522447] Modules linked in: [ 42.523081] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.525087] Tainted: [W]=WARN [ 42.525642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.527113] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.527982] 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 [ 42.531214] RSP: 0018:ffff88801a977bc0 EFLAGS: 00010286 [ 42.532207] RAX: 0000000000000000 RBX: ffffed100352ef78 RCX: ffffffff813a4050 [ 42.533516] RDX: ffff888014789bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.534795] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100352ef2f [ 42.536071] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.537366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a977df8 [ 42.538640] FS: 00007f3d38577900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.540082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.541157] CR2: 00007fff97ef1ef8 CR3: 000000000dc54000 CR4: 0000000000350ef0 [ 42.542446] Call Trace: [ 42.542908] [ 42.543382] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.544274] ? __create_object+0x59/0x80 [ 42.545073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.546038] __vmalloc_noprof+0x59/0x60 [ 42.546747] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.547614] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.548562] bpf_prog_alloc+0x39/0x200 [ 42.549331] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.550279] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.551192] do_seccomp+0x349/0x25e0 [ 42.551864] ? find_held_lock+0x2b/0x80 [ 42.552637] ? do_prlimit+0x310/0x610 [ 42.553383] ? __pfx_do_seccomp+0x10/0x10 [ 42.554175] ? do_raw_spin_unlock+0x53/0x220 [ 42.554959] ? _raw_spin_unlock+0x1e/0x40 [ 42.555756] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.556716] ? static_key_count+0x60/0x80 [ 42.557534] prctl_set_seccomp+0x4e/0x70 [ 42.558321] __do_sys_prctl+0xe6c/0x1d70 [ 42.559113] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.559933] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.560909] ? irqentry_exit+0xf3/0x650 [ 42.561686] do_syscall_64+0xbf/0x430 [ 42.562439] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.563396] RIP: 0033:0x7f3d38a695cd [ 42.564114] 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 [ 42.567320] RSP: 002b:00007fff97eef450 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.568695] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d38a695cd [ 42.570022] RDX: 00005560b409fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.571320] RBP: 00007fff97eef4b0 R08: 0000000000000000 R09: 00007fff97eeeb50 [ 42.572618] R10: 0000000000000000 R11: 0000000000000246 R12: 00005560d15dcad0 [ 42.573934] R13: 00007fff97eef8e0 R14: 00005560d15ddbc0 R15: 00005560d15ee780 [ 42.575261] [ 42.575689] irq event stamp: 1793 [ 42.576331] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 42.577870] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 42.579403] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.580934] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 42.582190] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29072' (ECDSA) to the list of known hosts. 2025/11/18 07:09:11 fuzzer started 2025/11/18 07:09:12 dialing manager at localhost:37895 2025/11/18 07:09:12 checking machine... 2025/11/18 07:09:12 checking revisions... [ 43.495197] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:09:12 testing simple program... [ 43.582266] cgroup: Unknown subsys name 'net' [ 43.649831] cgroup: Unknown subsys name 'cpuset' [ 43.686612] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:09:11 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888018b877e0 RCX=0000000000000001 RDX=1ffff11003170e8a RSI=ffff888018b877d0 RDI=ffff888018b87410 RBP=ffff88800e1a2ee0 RSP=ffff888018b87398 R8 =0000000000000001 R9 =ffff888018b87448 R10=000000000003c9ed R11=0000000000023e3a R12=ffff888018b87468 R13=ffff888018b87450 R14=ffff888018b877d0 R15=ffff888018b87408 RIP=ffffffff8135fb91 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 00007fb45be1c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb45bdfb020 CR3=000000001fdba000 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=0000000000026fd9 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fac27ef6000 CR3=000000000db6a000 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=4b27e646e15dd1bd0640c6da83d2e8e0 XMM02=0000000000304538eff9b2d0a8fce9cb XMM03=00000000003046082c67c8bc2e329bc3 XMM04=af9662cc2b80bddd00000000000ae988 XMM05=7956c0cc148e17890000000000321610 XMM06=5b75c91c804453420000000000320fb0 XMM07=e042d86d42eb936e00000000003117c0 XMM08=718129ebdc64d0f60000000000304608 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000