syzkaller login: [ 39.164877] ------------[ cut here ]------------ [ 39.166012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.168617] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.170428] Modules linked in: [ 39.171407] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.173906] Tainted: [W]=WARN [ 39.174645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.176502] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.177671] 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 [ 39.181677] RSP: 0018:ffff8880180cfbc0 EFLAGS: 00010286 [ 39.182904] RAX: 0000000000000000 RBX: ffffed1003019f78 RCX: ffffffff813a4050 [ 39.184520] RDX: ffff88800b388000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.186160] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003019f2f [ 39.187770] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.189399] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880180cfdf8 [ 39.191026] FS: 00007fbd2e9eb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.192842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.194161] CR2: 00007ffed29d8ef8 CR3: 000000001a715000 CR4: 0000000000350ef0 [ 39.195771] Call Trace: [ 39.196347] [ 39.196917] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.198044] ? __create_object+0x59/0x80 [ 39.199024] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.200237] __vmalloc_noprof+0x59/0x60 [ 39.201190] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.202279] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.203443] bpf_prog_alloc+0x39/0x200 [ 39.204363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.205532] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.206667] do_seccomp+0x349/0x25e0 [ 39.207504] ? find_held_lock+0x2b/0x80 [ 39.208440] ? do_prlimit+0x310/0x610 [ 39.209399] ? __pfx_do_seccomp+0x10/0x10 [ 39.210391] ? do_raw_spin_unlock+0x53/0x220 [ 39.211425] ? _raw_spin_unlock+0x1e/0x40 [ 39.212409] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.213472] ? static_key_count+0x60/0x80 [ 39.214331] prctl_set_seccomp+0x4e/0x70 [ 39.215168] __do_sys_prctl+0xe6c/0x1d70 [ 39.216005] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.216939] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.217970] ? irqentry_exit+0xf3/0x650 [ 39.218787] do_syscall_64+0xbf/0x430 [ 39.219532] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.220533] RIP: 0033:0x7fbd2eedd5cd [ 39.221195] 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 [ 39.223057] RSP: 002b:00007ffed29d6dd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.223856] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbd2eedd5cd [ 39.224627] RDX: 000055e717c34e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.225402] RBP: 00007ffed29d6e30 R08: 0000000000000000 R09: 00007ffed29d64d0 [ 39.226212] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e71aa5c2b0 [ 39.227029] R13: 00007ffed29d7260 R14: 000055e71aa5ed20 R15: 000055e71aa708d0 [ 39.227866] [ 39.228130] irq event stamp: 3301 [ 39.228517] hardirqs last enabled at (3309): [] __up_console_sem+0x78/0x80 [ 39.229494] hardirqs last disabled at (3318): [] __up_console_sem+0x5d/0x80 [ 39.230459] softirqs last enabled at (2844): [] handle_softirqs+0x50c/0x770 [ 39.231446] softirqs last disabled at (2839): [] __irq_exit_rcu+0xc4/0x100 [ 39.232411] ---[ end trace 0000000000000000 ]--- [ 42.296327] ------------[ cut here ]------------ [ 42.297267] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.299264] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.300722] Modules linked in: [ 42.301305] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.303276] Tainted: [W]=WARN [ 42.303868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.305625] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.306503] 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 [ 42.309725] RSP: 0018:ffff888010327bc0 EFLAGS: 00010286 [ 42.310710] RAX: 0000000000000000 RBX: ffffed1002064f78 RCX: ffffffff813a4050 [ 42.311962] RDX: ffff88800cdd3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.313231] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002064f2f [ 42.314517] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.315782] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888010327df8 [ 42.317055] FS: 00007f1fcab1b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.318465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.319518] CR2: 00007ffd70b6aef8 CR3: 000000001ed8b000 CR4: 0000000000350ef0 [ 42.320805] Call Trace: [ 42.321276] [ 42.321729] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.322625] ? __create_object+0x59/0x80 [ 42.323362] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.324313] __vmalloc_noprof+0x59/0x60 [ 42.325072] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.325939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.326863] bpf_prog_alloc+0x39/0x200 [ 42.327542] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.328462] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.329389] do_seccomp+0x349/0x25e0 [ 42.330122] ? find_held_lock+0x2b/0x80 [ 42.330878] ? do_prlimit+0x310/0x610 [ 42.331638] ? __pfx_do_seccomp+0x10/0x10 [ 42.332363] ? do_raw_spin_unlock+0x53/0x220 [ 42.333195] ? _raw_spin_unlock+0x1e/0x40 [ 42.333967] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.334921] ? static_key_count+0x60/0x80 [ 42.335720] prctl_set_seccomp+0x4e/0x70 [ 42.336445] __do_sys_prctl+0xe6c/0x1d70 [ 42.337235] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.338090] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.339061] ? irqentry_exit+0xf3/0x650 [ 42.339832] do_syscall_64+0xbf/0x430 [ 42.340534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.341499] RIP: 0033:0x7f1fcb00d5cd [ 42.342206] 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 [ 42.345359] RSP: 002b:00007ffd70b682f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.346714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fcb00d5cd [ 42.347969] RDX: 000055c81ffc4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.349254] RBP: 00007ffd70b68350 R08: 0000000000000000 R09: 00007ffd70b679f0 [ 42.350654] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c838484ad0 [ 42.351913] R13: 00007ffd70b68780 R14: 000055c838485bc0 R15: 000055c838496780 [ 42.353215] [ 42.353675] irq event stamp: 1835 [ 42.354269] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 42.355778] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 42.357312] softirqs last enabled at (1812): [] handle_softirqs+0x50c/0x770 [ 42.358838] softirqs last disabled at (1807): [] __irq_exit_rcu+0xc4/0x100 [ 42.360363] ---[ end trace 0000000000000000 ]--- [ 42.918997] ------------[ cut here ]------------ [ 42.919887] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.921893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.923308] Modules linked in: [ 42.923954] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.925923] Tainted: [W]=WARN [ 42.926463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.927909] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.928813] 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 [ 42.931904] RSP: 0018:ffff888009f7fbc0 EFLAGS: 00010286 [ 42.932861] RAX: 0000000000000000 RBX: ffffed10013eff78 RCX: ffffffff813a4050 [ 42.934132] RDX: ffff8880176d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.935397] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013eff2f [ 42.936672] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.937925] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009f7fdf8 [ 42.939175] FS: 00007fd74b344900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.940602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.941664] CR2: 00007fd74b836580 CR3: 000000001cc1c000 CR4: 0000000000350ef0 [ 42.942929] Call Trace: [ 42.943380] [ 42.943825] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.944727] ? __create_object+0x59/0x80 [ 42.945457] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.946420] __vmalloc_noprof+0x59/0x60 [ 42.947175] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.948051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.948987] bpf_prog_alloc+0x39/0x200 [ 42.949725] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.950646] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.951496] do_seccomp+0x349/0x25e0 [ 42.952216] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.953132] ? __pfx_do_seccomp+0x10/0x10 [ 42.953914] ? find_held_lock+0x2b/0x80 [ 42.954665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.955567] ? static_key_count+0x60/0x80 [ 42.956367] prctl_set_seccomp+0x4e/0x70 [ 42.957148] __do_sys_prctl+0xe6c/0x1d70 [ 42.957919] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.958769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.959730] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.960698] ? irqentry_exit+0xf3/0x650 [ 42.961414] do_syscall_64+0xbf/0x430 [ 42.962144] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.963085] RIP: 0033:0x7fd74b8365cd [ 42.963785] 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 [ 42.966928] RSP: 002b:00007ffff17daeb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.968272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd74b8365cd [ 42.969554] RDX: 0000560644c5ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.970856] RBP: 00007ffff17daf10 R08: 0000000000000000 R09: 00007ffff17da5b0 [ 42.972276] R10: 0000000000000000 R11: 0000000000000246 R12: 000056068384dbf0 [ 42.973603] R13: 00007ffff17db340 R14: 0000560683857380 R15: 0000560683862460 [ 42.974927] [ 42.975355] irq event stamp: 1699 [ 42.976012] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 42.977558] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 42.979111] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 42.980685] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 42.981833] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47882' (ECDSA) to the list of known hosts. 2025/11/17 21:41:27 fuzzer started 2025/11/17 21:41:27 dialing manager at localhost:37895 2025/11/17 21:41:27 checking machine... 2025/11/17 21:41:27 checking revisions... [ 43.930509] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:41:27 testing simple program... [ 43.994483] cgroup: Unknown subsys name 'net' [ 44.051432] cgroup: Unknown subsys name 'cpuset' [ 44.061378] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:41:26 Registers: info registers vcpu 0 RAX=1ffffffff0cf1c74 RBX=ffffffff8678e3a0 RCX=ffffffff82299933 RDX=0000000000000000 RSI=ffffffff86b54f96 RDI=ffffffff8678e398 RBP=ffffffff8678e398 RSP=ffff8880180cf730 R8 =ffffffff86b54f96 R9 =0000000000000000 R10=000000000003c9ed R11=000000000003f7f9 R12=ffffffff8678e3ac R13=ffffffff8678e398 R14=ffffffff8678e398 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000216 [----AP-] 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 00007f1fcab1b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd70b62000 CR3=000000001ed0f000 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=6720646572637465733a4d41503d706f 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=000000000001fc13 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1fcb0d2618 CR3=000000000fbd1000 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=2036323a31343a313220373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036323a31343a3132203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000