syzkaller login: [ 39.027508] ------------[ cut here ]------------ [ 39.028427] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.030389] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.031865] Modules linked in: [ 39.032463] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.034694] Tainted: [W]=WARN [ 39.035360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.036813] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.037719] 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 [ 39.040930] RSP: 0018:ffff888018467bc0 EFLAGS: 00010286 [ 39.041908] RAX: 0000000000000000 RBX: ffffed100308cf78 RCX: ffffffff813a4050 [ 39.043223] RDX: ffff888009fd3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.044517] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100308cf2f [ 39.045799] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.047117] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018467df8 [ 39.048381] FS: 00007f32ce66b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.049809] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.050911] CR2: 00007ffc9dc0fef7 CR3: 000000000db70000 CR4: 0000000000350ef0 [ 39.052179] Call Trace: [ 39.052650] [ 39.053097] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.053995] ? __create_object+0x59/0x80 [ 39.054780] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.055729] __vmalloc_noprof+0x59/0x60 [ 39.056461] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.057318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.058240] bpf_prog_alloc+0x39/0x200 [ 39.058991] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.059894] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.060737] do_seccomp+0x349/0x25e0 [ 39.061439] ? find_held_lock+0x2b/0x80 [ 39.062171] ? do_prlimit+0x310/0x610 [ 39.062946] ? __pfx_do_seccomp+0x10/0x10 [ 39.063672] ? do_raw_spin_unlock+0x53/0x220 [ 39.064491] ? _raw_spin_unlock+0x1e/0x40 [ 39.065248] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.066183] ? static_key_count+0x60/0x80 [ 39.067007] prctl_set_seccomp+0x4e/0x70 [ 39.067722] __do_sys_prctl+0xe6c/0x1d70 [ 39.068487] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.069324] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.070281] ? irqentry_exit+0xf3/0x650 [ 39.071081] do_syscall_64+0xbf/0x430 [ 39.071762] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.072683] RIP: 0033:0x7f32ceb5d5cd [ 39.073371] 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 [ 39.076526] RSP: 002b:00007ffc9dc0ed50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.077881] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32ceb5d5cd [ 39.079186] RDX: 00005593decf9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.080438] RBP: 00007ffc9dc0edb0 R08: 0000000000000000 R09: 00007ffc9dc0e450 [ 39.081699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559406e892b0 [ 39.083006] R13: 00007ffc9dc0f1e0 R14: 0000559406e8bd20 R15: 0000559406e9d8d0 [ 39.084273] [ 39.084687] irq event stamp: 1853 [ 39.085335] hardirqs last enabled at (1869): [] __up_console_sem+0x78/0x80 [ 39.086872] hardirqs last disabled at (1878): [] __up_console_sem+0x5d/0x80 [ 39.088376] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 39.089901] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 39.091425] ---[ end trace 0000000000000000 ]--- [ 42.434417] ------------[ cut here ]------------ [ 42.435401] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.437401] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.438928] Modules linked in: [ 42.439506] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.441472] Tainted: [W]=WARN [ 42.442067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.443588] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.444500] 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 [ 42.447668] RSP: 0018:ffff888016a37bc0 EFLAGS: 00010286 [ 42.448634] RAX: 0000000000000000 RBX: ffffed1002d46f78 RCX: ffffffff813a4050 [ 42.449983] RDX: ffff8880171f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.451326] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d46f2f [ 42.452602] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.453883] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a37df8 [ 42.455206] FS: 00007fc525084900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.456657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.457710] CR2: 00007fc525576580 CR3: 000000000a14d000 CR4: 0000000000350ef0 [ 42.459010] Call Trace: [ 42.459476] [ 42.459936] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.460778] ? __create_object+0x59/0x80 [ 42.461549] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.462509] __vmalloc_noprof+0x59/0x60 [ 42.463318] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.464184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.465128] bpf_prog_alloc+0x39/0x200 [ 42.465814] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.466771] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.467692] do_seccomp+0x349/0x25e0 [ 42.468406] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.469304] ? __pfx_do_seccomp+0x10/0x10 [ 42.470093] ? find_held_lock+0x2b/0x80 [ 42.470885] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.471806] ? static_key_count+0x60/0x80 [ 42.472608] prctl_set_seccomp+0x4e/0x70 [ 42.473379] __do_sys_prctl+0xe6c/0x1d70 [ 42.474175] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.475074] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.476046] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.477012] ? irqentry_exit+0xf3/0x650 [ 42.477729] do_syscall_64+0xbf/0x430 [ 42.478456] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.479451] RIP: 0033:0x7fc5255765cd [ 42.480159] 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 [ 42.483327] RSP: 002b:00007ffdbd7cb820 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.484709] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5255765cd [ 42.486008] RDX: 000055b8f7ddce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.487328] RBP: 00007ffdbd7cb880 R08: 0000000000000000 R09: 00007ffdbd7caf20 [ 42.488618] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b93230ead0 [ 42.489891] R13: 00007ffdbd7cbcb0 R14: 000055b93230fbc0 R15: 000055b932320780 [ 42.491228] [ 42.491650] irq event stamp: 1731 [ 42.492300] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 42.493818] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 42.495368] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 42.496898] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 42.498412] ---[ end trace 0000000000000000 ]--- [ 43.282697] ------------[ cut here ]------------ [ 43.283624] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.285590] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.287032] Modules linked in: [ 43.287623] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.289583] Tainted: [W]=WARN [ 43.290168] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.291634] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.292513] 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 [ 43.295675] RSP: 0018:ffff888016e1fbc0 EFLAGS: 00010286 [ 43.296620] RAX: 0000000000000000 RBX: ffffed1002dc3f78 RCX: ffffffff813a4050 [ 43.297875] RDX: ffff888016140000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.299146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dc3f2f [ 43.300387] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.301709] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e1fdf8 [ 43.303053] FS: 00007f5b33abd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.304480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.305520] CR2: 00007fff71f30ef7 CR3: 000000000ddfa000 CR4: 0000000000350ef0 [ 43.306797] Call Trace: [ 43.307292] [ 43.307704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.308574] ? __create_object+0x59/0x80 [ 43.309378] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.310341] __vmalloc_noprof+0x59/0x60 [ 43.311109] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.312007] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.312930] bpf_prog_alloc+0x39/0x200 [ 43.313636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.314568] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.315475] do_seccomp+0x349/0x25e0 [ 43.316182] ? find_held_lock+0x2b/0x80 [ 43.316937] ? do_prlimit+0x310/0x610 [ 43.317624] ? __pfx_do_seccomp+0x10/0x10 [ 43.318397] ? do_raw_spin_unlock+0x53/0x220 [ 43.319248] ? _raw_spin_unlock+0x1e/0x40 [ 43.320020] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.320976] ? static_key_count+0x60/0x80 [ 43.321740] prctl_set_seccomp+0x4e/0x70 [ 43.322491] __do_sys_prctl+0xe6c/0x1d70 [ 43.323279] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.324128] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.325096] ? irqentry_exit+0xf3/0x650 [ 43.325813] do_syscall_64+0xbf/0x430 [ 43.326556] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.327487] RIP: 0033:0x7f5b33faf5cd [ 43.328186] 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 [ 43.331318] RSP: 002b:00007fff71f2e680 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.332579] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b33faf5cd [ 43.333632] RDX: 0000560aacdcee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.334692] RBP: 00007fff71f2e6e0 R08: 0000000000000000 R09: 00007fff71f2dd80 [ 43.335752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ad3674bf0 [ 43.336798] R13: 00007fff71f2eb10 R14: 0000560ad367e380 R15: 0000560ad3689460 [ 43.337869] [ 43.338219] irq event stamp: 1685 [ 43.338733] hardirqs last enabled at (1693): [] __up_console_sem+0x78/0x80 [ 43.340000] hardirqs last disabled at (1708): [] __up_console_sem+0x5d/0x80 [ 43.341253] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 43.342534] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 43.343800] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:44413' (ECDSA) to the list of known hosts. 2025/11/18 09:25:44 fuzzer started 2025/11/18 09:25:44 dialing manager at localhost:34383 2025/11/18 09:25:44 checking machine... 2025/11/18 09:25:44 checking revisions... [ 44.235407] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:25:44 testing simple program... [ 44.329213] cgroup: Unknown subsys name 'net' [ 44.384578] cgroup: Unknown subsys name 'cpuset' [ 44.397205] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:25:43 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888013e0fbc0 RCX=ffffffff84bfa1f8 RDX=0000000000000018 RSI=ffff888017679480 RDI=ffff888013e0fa30 RBP=0000000000000001 RSP=ffff888013e0f6e0 R8 =ffff88800bac1c80 R9 =ffff88800bac13c0 R10=ffff88800bac13c0 R11=ffff88800bf6dc80 R12=ffff888013e0f7f0 R13=ffff888013e0fa20 R14=ffff888013e0fc0d R15=ffff888013e0f770 RIP=ffffffff84bfa206 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 00007fc525084900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc525053008 CR3=000000000dc89000 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=000000000002eebb RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f077aebd000 CR3=000000000d635000 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=2033343a35323a393020383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033343a35323a3930203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000