syzkaller login: [ 38.995215] ------------[ cut here ]------------ [ 38.996122] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.998135] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 38.999624] Modules linked in: [ 39.000259] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.002252] Tainted: [W]=WARN [ 39.002863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.004349] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.005272] 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 [ 39.008432] RSP: 0018:ffff888015e4fbc0 EFLAGS: 00010286 [ 39.009403] RAX: 0000000000000000 RBX: ffffed1002bc9f78 RCX: ffffffff813a4050 [ 39.010690] RDX: ffff888015e58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.011975] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc9f2f [ 39.013248] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.014539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e4fdf8 [ 39.015839] FS: 00007fd8c5fd6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.017299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.018363] CR2: 00007fd8c64c8580 CR3: 000000000d3c7000 CR4: 0000000000350ef0 [ 39.019667] Call Trace: [ 39.020185] [ 39.020602] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.021499] ? __create_object+0x59/0x80 [ 39.022278] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.023256] __vmalloc_noprof+0x59/0x60 [ 39.024010] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.024878] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025818] bpf_prog_alloc+0x39/0x200 [ 39.026513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.027468] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.028365] do_seccomp+0x349/0x25e0 [ 39.029084] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.029987] ? __pfx_do_seccomp+0x10/0x10 [ 39.030781] ? find_held_lock+0x2b/0x80 [ 39.031515] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032473] ? static_key_count+0x60/0x80 [ 39.033282] prctl_set_seccomp+0x4e/0x70 [ 39.034058] __do_sys_prctl+0xe6c/0x1d70 [ 39.034880] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035708] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.036677] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.037640] ? irqentry_exit+0xf3/0x650 [ 39.038410] do_syscall_64+0xbf/0x430 [ 39.039146] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.040103] RIP: 0033:0x7fd8c64c85cd [ 39.040806] 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 [ 39.044044] RSP: 002b:00007ffeb7b8c620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045427] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8c64c85cd [ 39.046727] RDX: 000055bf9842fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.048066] RBP: 00007ffeb7b8c680 R08: 0000000000000000 R09: 00007ffeb7b8bd20 [ 39.049160] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bfcb143ad0 [ 39.050227] R13: 00007ffeb7b8cab0 R14: 000055bfcb144bc0 R15: 000055bfcb155780 [ 39.051316] [ 39.051670] irq event stamp: 1677 [ 39.052211] hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80 [ 39.053476] hardirqs last disabled at (1696): [] __up_console_sem+0x5d/0x80 [ 39.054754] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 39.056048] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 39.057309] ---[ end trace 0000000000000000 ]--- [ 42.534888] ------------[ cut here ]------------ [ 42.535838] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.537884] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 42.539348] Modules linked in: [ 42.539978] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.542001] Tainted: [W]=WARN [ 42.542573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.544082] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.545018] 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 [ 42.548220] RSP: 0018:ffff888016bf7bc0 EFLAGS: 00010286 [ 42.549217] RAX: 0000000000000000 RBX: ffffed1002d7ef78 RCX: ffffffff813a4050 [ 42.550497] RDX: ffff88800e7c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.551819] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ef2f [ 42.553113] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.554403] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bf7df8 [ 42.555709] FS: 00007f55787c7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.557183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.558249] CR2: 00007ffd4ec41ef7 CR3: 000000000dd74000 CR4: 0000000000350ef0 [ 42.559571] Call Trace: [ 42.560086] [ 42.560501] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.561407] ? __create_object+0x59/0x80 [ 42.562200] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.563177] __vmalloc_noprof+0x59/0x60 [ 42.563947] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.564831] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.565780] bpf_prog_alloc+0x39/0x200 [ 42.566478] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.567421] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.568322] do_seccomp+0x349/0x25e0 [ 42.569052] ? find_held_lock+0x2b/0x80 [ 42.569821] ? do_prlimit+0x310/0x610 [ 42.570515] ? __pfx_do_seccomp+0x10/0x10 [ 42.571327] ? do_raw_spin_unlock+0x53/0x220 [ 42.572173] ? _raw_spin_unlock+0x1e/0x40 [ 42.572957] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.573931] ? static_key_count+0x60/0x80 [ 42.574703] prctl_set_seccomp+0x4e/0x70 [ 42.575493] __do_sys_prctl+0xe6c/0x1d70 [ 42.576286] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.577153] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.578134] ? irqentry_exit+0xf3/0x650 [ 42.578900] do_syscall_64+0xbf/0x430 [ 42.579601] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.580553] RIP: 0033:0x7f5578cb95cd [ 42.581253] 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 [ 42.584440] RSP: 002b:00007ffd4ec3feb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.585810] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5578cb95cd [ 42.587098] RDX: 0000557f3f68ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.588403] RBP: 00007ffd4ec3ff10 R08: 0000000000000000 R09: 00007ffd4ec3f5b0 [ 42.589695] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f7eaa9ad0 [ 42.590988] R13: 00007ffd4ec40340 R14: 0000557f7eaaabc0 R15: 0000557f7eabb780 [ 42.592314] [ 42.592785] irq event stamp: 1717 [ 42.593388] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 42.594930] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 42.596465] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 42.598017] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 42.599573] ---[ end trace 0000000000000000 ]--- [ 43.408923] ------------[ cut here ]------------ [ 43.409843] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.411902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/253 [ 43.413368] Modules linked in: [ 43.414005] CPU: 0 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.415995] Tainted: [W]=WARN [ 43.416540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.418012] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.418922] 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 [ 43.422077] RSP: 0018:ffff88800a377bc0 EFLAGS: 00010286 [ 43.423062] RAX: 0000000000000000 RBX: ffffed100146ef78 RCX: ffffffff813a4050 [ 43.424345] RDX: ffff888017270000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.425617] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100146ef2f [ 43.426903] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.428189] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a377df8 [ 43.429479] FS: 00007f49b175f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.430923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.431994] CR2: 00007fff23cf3ef7 CR3: 000000000dff8000 CR4: 0000000000350ef0 [ 43.433269] Call Trace: [ 43.433763] [ 43.434170] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.435079] ? __create_object+0x59/0x80 [ 43.435856] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.436827] __vmalloc_noprof+0x59/0x60 [ 43.437535] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.438421] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.439354] bpf_prog_alloc+0x39/0x200 [ 43.440092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.441017] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.441917] do_seccomp+0x349/0x25e0 [ 43.442591] ? find_held_lock+0x2b/0x80 [ 43.443355] ? do_prlimit+0x310/0x610 [ 43.444100] ? __pfx_do_seccomp+0x10/0x10 [ 43.444886] ? do_raw_spin_unlock+0x53/0x220 [ 43.445660] ? _raw_spin_unlock+0x1e/0x40 [ 43.446435] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.447392] ? static_key_count+0x60/0x80 [ 43.448211] prctl_set_seccomp+0x4e/0x70 [ 43.448998] __do_sys_prctl+0xe6c/0x1d70 [ 43.449800] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.450625] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.451619] ? irqentry_exit+0xf3/0x650 [ 43.452392] do_syscall_64+0xbf/0x430 [ 43.453156] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.454128] RIP: 0033:0x7f49b1c515cd [ 43.454849] 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 [ 43.458069] RSP: 002b:00007fff23cf2250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.459468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f49b1c515cd [ 43.460783] RDX: 00005571044ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.462082] RBP: 00007fff23cf22b0 R08: 0000000000000000 R09: 00007fff23cf1950 [ 43.463395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557125644ad0 [ 43.464703] R13: 00007fff23cf26e0 R14: 0000557125645bc0 R15: 0000557125656780 [ 43.466036] [ 43.466466] irq event stamp: 1767 [ 43.467131] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 43.468700] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 43.470285] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 43.471872] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 43.473439] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31861' (ECDSA) to the list of known hosts. 2025/11/18 18:28:14 fuzzer started 2025/11/18 18:28:14 dialing manager at localhost:34383 2025/11/18 18:28:14 checking machine... 2025/11/18 18:28:14 checking revisions... [ 44.375193] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:28:14 testing simple program... [ 44.453840] cgroup: Unknown subsys name 'net' [ 44.519444] cgroup: Unknown subsys name 'cpuset' [ 44.532782] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:28:13 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880e538f000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08988 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=000000000002cccd R12=ffffffff8135e7a2 R13=ffff88806ce08a98 R14=ffff888015a77f20 R15=ffff88806ce08a50 RIP=ffffffff815bd154 RFL=00000282 [--S----] 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 00007f571634f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000557f7eace768 CR3=000000000e041000 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=2033313a38323a383120383120766f4e XMM01=657463656e6e6f63736944203a5d3434 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3434325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033313a38323a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff888018e9f9e0 RCX=ffff888018e9f86c RDX=0000000000000000 RSI=ffffffff81b2a6d9 RDI=ffff888018e9f9ec RBP=0000000000000002 RSP=ffff888018e9f8f8 R8 =ffffffff86ab8488 R9 =ffff888018e9f958 R10=000000000003c9ed R11=00000000000255cb R12=ffff888018e9f9e0 R13=0000000000000000 R14=ffff888015f9b780 R15=0000000000000cc0 RIP=ffffffff816191ae RFL=00000213 [----A-C] 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 00007f55787c7900 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=00007ffd4ec3a000 CR3=0000000007238000 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